q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
value | subreddit stringclasses 3
values | url stringlengths 4 132 | answers dict | title_urls list | selftext_urls list | answers_urls list |
|---|---|---|---|---|---|---|---|---|---|
2ykhlw | how did the anime-craze start and evolve in america? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ykhlw/eli5_how_did_the_animecraze_start_and_evolve_in/ | {
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"text": [
"I believe it started in the 70s with the import of the cartoons Battle of the Planets (G Force!) and Star Blazers. Followed by Robotech and Akira in the 80s. Then with the proliferation of the interne... | [] | [] | [
[],
[],
[]
] | ||
3py7n4 | In The Good, The Bad and The Ugly, a character mislabels a union army because of dust on their uniform making him believe they are confederates. Did this ever happen in real life? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3py7n4/in_the_good_the_bad_and_the_ugly_a_character/ | {
"a_id": [
"cwalarz"
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"score": [
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"text": [
"Misidentification wasn't uncommon, especially during the early days of the war when many units had different-colored uniforms. Notably, during the First Battle of Bull Run (July 1861), one of the turning points came when the 33rd Virginia (Confed... | [] | [] | [
[]
] | ||
8wsdfk | why does eating a lot of rich food cause a headache ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8wsdfk/eli5_why_does_eating_a_lot_of_rich_food_cause_a/ | {
"a_id": [
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"score": [
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"text": [
"It could easily be the ingestion of large amounts of salt and/or sugar (which are often heavily used in rich foods) causing dehydration. It could also be elevated levels of insulin being released into the body as the food is processed, or your bo... | [] | [] | [
[]
] | ||
983llt | How were WWI era reparation payments handled during the post-WWII separation of Germany? | I was recently reading about when Germany paid off their debt, but I was curious how it was divided between East and West Germany after World War II. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/983llt/how_were_wwi_era_reparation_payments_handled/ | {
"a_id": [
"e4d3iws"
],
"score": [
9
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"text": [
"Fortunately for post-war Germany they didn't have to pay any reparations from the First World War as the payment had ceased in 1932. Reparations had always been a thorny political issue in Germany, even from the signing of the Treaty of Versaille... | [] | [] | [
[]
] | |
auclkz | bone density after elongated periods of time in space. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/auclkz/eli5_bone_density_after_elongated_periods_of_time/ | {
"a_id": [
"eh77tnm"
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"score": [
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"text": [
"Gravity constantly pulls on your body and your bones have to be strong enough to hold your weight, so your body streghthens them to withstand that weight. In space, you have no weight, so your body redirects your resources elsewhere. Your bones... | [] | [] | [
[]
] | ||
csoq5y | would a person on earth notice the andromeda galaxy merging with it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/csoq5y/eli5_would_a_person_on_earth_notice_the_andromeda/ | {
"a_id": [
"exg3r8a"
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"score": [
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"text": [
"Yes, if Andromeda merged with Earth it would get crowded.\n\nIf Andromeda were to merge with the Milky Way, no, as long as you stayed away from news, internet and large telescopes."
]
} | [] | [] | [
[]
] | ||
1z6r68 | why do some large retail chains (e.g. blockbusters, border's books, circuit city) grow and expand successfully til they are in every city but then go out of business suddenly without instead just scaling back down as needed? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1z6r68/eli5_why_do_some_large_retail_chains_eg/ | {
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"text": [
"So the rapid expansion happens because, during those times, those retail chains are filling a market demand.\n\nThe demand is high, business is good, the business expands.\n\nAt some point, the demand begins to fall. Bad bu... | [] | [] | [
[
"TigerDirect.com",
"BarnesAndNobles.com",
"CircuitCity.com"
],
[]
] | ||
5nhilu | What slang did German soldiers use to describe soldiers from various nations during WWII? | I know a few for British and American and Russian, but what about Belgian or French soldiers? How about Italian, Japanese, Australian, Canadian, Yugoslavian, Czech, Croat, Romanian, Greek? Anything weird or obscure? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5nhilu/what_slang_did_german_soldiers_use_to_describe/ | {
"a_id": [
"dcbpoam"
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"score": [
15
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"text": [
"/u/LBo87 gave a good answer in an [old thread](_URL_0_).\n\nThere is /u/Astrogator's [answer](_URL_1_) as well, which adds one more term. See the last bullet point."
]
} | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/17g4b7/what_derogatory_terms_did_german_and_japanese/",
"https://www.reddit.com/r/AskHistorians/comments/3cxf21/wwii_deragatory_terms_for_soldiers/cszzv74/"
]
] | |
8pknm5 | how does a phone battery hold a charge? what is flowing from the charging cord, where does it go into, and how is the phone able to use that charge? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8pknm5/eli5_how_does_a_phone_battery_hold_a_charge_what/ | {
"a_id": [
"e0c27bg"
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"score": [
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"text": [
"Phone batteries use an chemical reaction something like \nLi - > Li+ + e- \nMg+ + e- - > Mg \n\nThis means the the electron travels from the lithium electrode to the magnesium electrode creating electron flow and therefore energy. \n\nIn all ch... | [] | [] | [
[]
] | ||
3m987j | deli meat vs packages sliced meat | Is meat that you get sliced at the deli counter actually superior to deli meat sliced at a factory and then sent to the grocery store? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3m987j/eli5_deli_meat_vs_packages_sliced_meat/ | {
"a_id": [
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"score": [
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"text": [
"Yes. Freshly sliced meat that you get at the grocery store is, well, fresh. Prepackaged meat has to go to through the middle man, who slices and packages it before it's sent to the store. Getting the meat sliced at the deli means it skips the mid... | [] | [] | [
[]
] | |
7l7j29 | what was it about the catholic church that allowed it to become the most prominent religion in the world ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7l7j29/eli5_what_was_it_about_the_catholic_church_that/ | {
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"drk53x6",
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"score": [
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2,
2
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"text": [
"Quite simply, the Catholic Church happened to gain a foothold in the most powerful countries in the world. Spain, Portugal, France, etc. Those countries then spread their faith through their conquests. ... | [] | [] | [
[],
[],
[]
] | ||
7dkbju | What about Amsterdam has made it such a popular refuge for radical, creative thinkers, and how did they contribute to the Dutch golden age of the late 16th and 17th century? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7dkbju/what_about_amsterdam_has_made_it_such_a_popular/ | {
"a_id": [
"dqilgn9"
],
"score": [
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"text": [
"During that time The Netherlands was fighting a war of independence, the 80 year war. While it basically stared as a revolt against the Spanish because of infringements of privileges like protection against unreasonable taxes etc.. It soon becam... | [] | [] | [
[
"http://cryptiana.web.fc2.com/docs/abj_dut.htm",
"https://www.goodreads.com/book/show/17288660-amsterdam"
]
] | ||
kuu8h | I've a Ni-MH recharger. Does it matter if I constantly recharge certain batteries even though they're already full? | I've got [this](_URL_0_). I've got some headphones that only use 3 batteries and need recharging every other day. The charger needs to charge in pairs only. Does it matter at all if the forth battery is constantly being recharged even though it is full in order to help it's pair recharge?
I'm just wondering if I sh... | askscience | http://www.reddit.com/r/askscience/comments/kuu8h/ive_a_nimh_recharger_does_it_matter_if_i/ | {
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"score": [
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2
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"text": [
"NiMH chemistry is much more forgiving to overcharging than other types of battery chemistry, but it's really not good for the cell. Get some extra cells, and only charge ones that ... | [] | [
"http://www.amazon.com/Sanyo-Eneloop-Charger-Rechargeable-Batteries/dp/B003VLAEPQ/ref=sr_1_2?ie=UTF8&qid=1317264635&sr=8-2"
] | [
[],
[],
[],
[]
] | |
6c4jbn | what will keep certain isps from providing "neutral internet" and completely destroying their competitors who don't? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6c4jbn/eli5_what_will_keep_certain_isps_from_providing/ | {
"a_id": [
"dhrsxxc"
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"score": [
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"text": [
"To start an ISP you need to invest in a lot of infrastructure. Most ISPs is therefore limited to a small geographical area. And if there are two providers who need the infrastructure to every house then the service will be twice as expensive for ... | [] | [] | [
[]
] | ||
dmcqkn | Didn't the Zimmerman telegram serve its purpose? | The main aim of the Zimmerman telegram was to bring neutral US into WW1. But after the interception by the British, the US nevertheless went into war. So didn't the Zimmerman telegram serve its purpose? I feel like I'm missing something here. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/dmcqkn/didnt_the_zimmerman_telegram_serve_its_purpose/ | {
"a_id": [
"f527w1d"
],
"score": [
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],
"text": [
"No, the main aim of the Zimmerman telegram wasn't to bring the US into WW1. It was intended as insurance against the likelihood that the US would join WW1 anyway over Germany's resumption of unrestricted submarine warfare.\n\nThis is the full te... | [] | [] | [
[]
] | |
ncow6 | When photographing a light, why do streaks show up in regular angular positions around the light? | To the naked eye, the light looks like a solid circle of light, but when photographed to looks more like a 5-10 pointed star? | askscience | http://www.reddit.com/r/askscience/comments/ncow6/when_photographing_a_light_why_do_streaks_show_up/ | {
"a_id": [
"c384xs7",
"c384xs7"
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"score": [
2,
2
],
"text": [
"That's the shape of the camera's aperture, and the effect is called [bokeh](_URL_0_).",
"That's the shape of the camera's aperture, and the effect is called [bokeh](_URL_0_)."
]
} | [] | [] | [
[
"https://secure.wikimedia.org/wikipedia/en/wiki/Bokeh"
],
[
"https://secure.wikimedia.org/wikipedia/en/wiki/Bokeh"
]
] | |
69ar7x | When the Sun's red giant phase ends it'll lose roughly 50% of its mass to space, does this excess surface hydrogen have enough mass to create a red dwarf? | askscience | https://www.reddit.com/r/askscience/comments/69ar7x/when_the_suns_red_giant_phase_ends_itll_lose/ | {
"a_id": [
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"text": [
"Red dwarfs are main sequence stars just like the Sun, except they only contain about 8-50% as much mass. As a consequence, the fusion in their cores proceeds slower, their surface temps are cooler, and their life spans are much longer. \n\nDur... | [] | [] | [
[]
] | ||
8g9pwr | what is a constituent country and how does it differ from units like state or provinces? | Hello. I have noticed throughout reddit that places like Scotland and Greenland are referred to as countries, even though they do not do things like issue their own passports, or have their own head of state. What makes them different from sub-national entities such as Puerto Rico, Quebec, or Bavaria? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8g9pwr/eli5_what_is_a_constituent_country_and_how_does/ | {
"a_id": [
"dy9w4ca",
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"score": [
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2
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"text": [
"Functionally they are almost identical to US State or Canadian Province. They do not have their own militaries, do not have their own passports, do not have their own treaties and trade agreements, but they do have some of t... | [] | [] | [
[],
[]
] | |
67pg43 | How important have aircraft carriers been to winning superpower-on-superpower warfare? | I recently found out that China and Russia only have one aircraft carrier each. This sounded ridiculous at first, but I do not actually know how pivotal carriers have been/are to a victory. Can someone explain the importance of having carriers in the past and how that would change today? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/67pg43/how_important_have_aircraft_carriers_been_to/ | {
"a_id": [
"dgsmyzo"
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"score": [
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"text": [
"So limiting this to the 20 year rule, and thus 1997 first off with only brief references to events and trends past it. We can actually though talk a good deal about Soviet carrier efforts, which obviously play a huge part in how Russian and PLAN ... | [] | [] | [
[
"https://blog.usni.org/2015/07/20/capstone-essay-blue-waters-for-a-red-state-aircraft-carrier-operations-and-the-peoples-liberation-army-navy"
]
] | |
7g920y | Did the Russians really train their troops with broomsticks instead of guns during WW1? | My World History teacher told me this today, but I found it hard to believe. Can I get a historian to confirm this? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7g920y/did_the_russians_really_train_their_troops_with/ | {
"a_id": [
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"text": [
"In 1941 the British troops retreating from Greece to Crete were forced to leave their heavy artillery behind. In an attempt to prevent the Germans from making use of those guns, the British artillerymen took the gun sights w... | [] | [] | [
[],
[
"https://www.reddit.com/r/AskHistorians/comments/5icxqr/is_there_any_truth_to_the_stories_of/db80xgt/",
"https://www.army.mil/article/185229/world_war_i_building_the_american_military"
]
] | |
6ulkdm | How long ago did the modern chicken lose its ability to fly? | askscience | https://www.reddit.com/r/askscience/comments/6ulkdm/how_long_ago_did_the_modern_chicken_lose_its/ | {
"a_id": [
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"score": [
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"text": [
"Technically, modern domesticated chickens can still fly. Sort of. Not well. But... for short distances and not terribly gracefully^1. They are not flightless.\n\nHowever, their poor flying abilities are the result of domestication, and selective... | [] | [] | [
[
"http://www.huffingtonpost.com/2014/10/21/chickens-bred-bigger_n_5983142.html",
"http://www.nationalchickencouncil.org/about-the-industry/history/",
"http://i.huffpost.com/gen/2188334/thumbs/o-CHICKEN-570.jpg?6",
"https://academic.oup.com/ps/article/93/12/2970/2730506/Growth-efficiency-and-yield-o... | ||
1c5cxf | what are city states and how do they operate? | I play a lot of Civ 5, a game where you play as a civilization and try to win by means of diplomacy, culture, science or military domination. They implemented city states into Civ 5, and I don't know what they are in reality and how they work.
Are they just cities that grew so large that the government/country they w... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1c5cxf/eli5_what_are_city_states_and_how_do_they_operate/ | {
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"score": [
3,
2,
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"text": [
"Are you asking how the mechanics of city states works in the context of Civ 5? Or are you asking what city states in real life are? Two really different questions.",
"A City ... | [] | [] | [
[],
[],
[],
[]
] | |
18anbm | Was it common for non-Abrahamic religions to have a "bible" of sorts? | See: title. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/18anbm/was_it_common_for_nonabrahamic_religions_to_have/ | {
"a_id": [
"c8deusb"
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"score": [
2
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"text": [
"There are actually several. The thing is, Judaism, Christianity, and Islam all emphasize a \"closed canon\". Buddhism, for example, has a canon (though its often more of a library than a single book). But then again, Jews don't have a single book... | [] | [] | [
[]
] | |
6ryxtr | Does the recipient of a heart transplant inherit the resting heart rate of the donor? | askscience | https://www.reddit.com/r/askscience/comments/6ryxtr/does_the_recipient_of_a_heart_transplant_inherit/ | {
"a_id": [
"dl9cn61"
],
"score": [
24
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"text": [
"Only sort of. After a transplant, the heart is generally not connected to the nerves that regulate rate. But cardiac muscle is not like skeletal muscle, in that the nerves do not directly initiate contraction, they just speed it up or slow it ... | [] | [] | [
[]
] | ||
2i0lgr | what would be the effect, both positive and negative, if nobody on the planet had kids for 2 years. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2i0lgr/eli5what_would_be_the_effect_both_positive_and/ | {
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"text": [
"There might be some kind of baby boom afterwards, like after ww2. Which would then create an elderly population 60 years later, who depend on healthcare and ... | [] | [] | [
[],
[],
[],
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[]
] | ||
7ghka4 | how does red dot sights work? | you know, the red point to aim in games with guns. and in real life too.
if normally with a gun you need two separate points to know the gun is aiming the correct way (one bump near the trigger and another at the end of the cannon)
how does only one red point in a glass works for aiming?? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7ghka4/eli5_how_does_red_dot_sights_work/ | {
"a_id": [
"dqj523j",
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"score": [
34,
7,
3
],
"text": [
"The dot in a red or green dot sight is not actually a coloured point that's hovering in a fix spot in the air like an iron sight does.\n\nInstead, the red dot you see is a reflection of a little red la... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Reflector_sight"
],
[]
] | |
1hfetf | What kind of tasks would fill the day of someone running a medieval castle for his lord? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1hfetf/what_kind_of_tasks_would_fill_the_day_of_someone/ | {
"a_id": [
"catu260",
"catufng",
"catuyy7",
"cau0136"
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"score": [
62,
8,
4,
14
],
"text": [
"Are you referring to somebody such as, say, a steward? Somebody who would manage the daily affairs of the estate while the lord was away?\n\nI'm going to base this on the holding... | [] | [] | [
[],
[],
[],
[]
] | ||
1wf2ph | stem cell life science research | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1wf2ph/stem_cell_life_science_research/ | {
"a_id": [
"cf1dssj"
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"score": [
2
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"text": [
"I'd love to answer your question if you could be more specific as to what it is you're asking."
]
} | [] | [] | [
[]
] | ||
770qka | What happened to the House of Kalākaua or the Hawaiian royal family after their overthrow? Were there ever pretenders to that throne or anyone who tried to stir up political trouble afterwards? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/770qka/what_happened_to_the_house_of_kalākaua_or_the/ | {
"a_id": [
"doj1o3k"
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"score": [
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"text": [
"Queen Liliʻuokalani continued to resist the overthrow with political, PR and judiciary actions for many years. \nThe royalist rebellion of 1895 had participants from the Hawaiian Royal Family, most notably Prince Kuhio. \nAs an interesting sid... | [] | [] | [
[]
] | ||
3n6ayo | Did the Romans ever used pikes? | One of the most famous units of the ancient world were the macedonian pikes, which the romans met and defeat in their conquest of the Eastern Mediterranean.
My question is, did the Romans ever deployed armies that used the pike phalanx formation? I reckon emperor Caracalla equiped some of eastern legions with pike as ... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3n6ayo/did_the_romans_ever_used_pikes/ | {
"a_id": [
"cvldr1k"
],
"score": [
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],
"text": [
"Pike phalanxes were not standard infantry, but were adopted numerous times, often when fighting cavalry-heavy armies from the east.\n\nIn preparation for his Parthian campaign Caracalla ordered 16,000 men to be trained in Macedonian drill and fi... | [] | [] | [
[]
] | |
210mvt | what exactly does shifting my car into d3 do? | In my automatic car, what exactly is D3? How is it different from D? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/210mvt/eli5_what_exactly_does_shifting_my_car_into_d3_do/ | {
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"score": [
2,
44,
3,
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"text": [
"The 3 refers to Transmission Gear 3 of the car. On a manual, which you probably remember from your childhood, you'd shift from 1 to 2... to 3........ to 4 when getting up to highw... | [] | [] | [
[],
[],
[],
[]
] | |
3tt5fj | can sports at an early age effect testosterone levels and how does this effect the physical appearance of someone who didn't play sports at all? | I've noticed that most people who either play sports or weight lifted at an early age tend to develop physically different. Even when comparing two subjects within the same family, the athletic person, tend to develop broader shoulders and robust jawlines. Does this have anything to do with their routines from a youn... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3tt5fj/eli5can_sports_at_an_early_age_effect/ | {
"a_id": [
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7,
12,
2
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"text": [
"If you're naturally athletic, you will more than likely take up sports early. \n\nIt is mainly genetics that determine your build. \n\nYour body shape is pretty much set from day one, although with har... | [] | [] | [
[],
[],
[]
] | |
1wzpdj | What happens when we overdose? | In light of recent events. What happens when people overdose. Do we have the most amazing high then everything goes black? Or is there a lot of suffering before you go unconscious? | askscience | http://www.reddit.com/r/askscience/comments/1wzpdj/what_happens_when_we_overdose/ | {
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"score": [
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"text": [
"Heroin overdose is similar to any opia... | [] | [] | [
[],
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[],
[],
[
"http://www.cnn.com/2014/01/16/justice/ohio-dennis-mcguire-execution/index.html?hpt=hp_t1"
]
] | |
500dl0 | In the Ku Klux Klan's heyday, did people see it more as a social club with networking opportunities, or truly as an organization that defending white American interests? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/500dl0/in_the_ku_klux_klans_heyday_did_people_see_it/ | {
"a_id": [
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"score": [
6,
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],
"text": [
"I can't answer your question, but the Klan had several waves. can you be more specific for those that can? ",
"If you're referring to the Second Klan (1915-1930's), it was certainly both. William... | [] | [] | [
[],
[
"https://s-media-cache-ak0.pinimg.com/564x/f2/93/6e/f2936e1560393528510c66e8b2fb6584.jpg",
"https://www.reddit.com/r/AskHistorians/comments/4de4fg/when_was_the_ku_klux_klan_active_in_canada_and/d1q8fe1",
"https://ia800700.us.archive.org/BookReader/BookReaderImages.php?zip=/31/items/kloranknights... | ||
3355n1 | why some of websites is not available in some countries? | [Easy Example](_URL_0_) | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3355n1/eli5why_some_of_websites_is_not_available_in_some/ | {
"a_id": [
"cqhm5tr",
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"score": [
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"text": [
"It has nothing to do with the websites, but rather, the service that the website provides. Netflix can't just take people movies and make them available for everybody to watch, that's illegal copyright infringement. They nee... | [] | [
"http://i.imgur.com/i4yDaNx.jpg"
] | [
[],
[]
] | |
5cmkly | Was it because of a change in technology or a change in tactics, that machine guns no longer need to change barrels or be watercooled? | In World War 1 almost all machine guns I know of were watercooled, and to my knowledge a lot of world war 2 machine guns had interchangeable barrels.
I have never seen a modern watercooled gun, and to my limited knowledge, most machine today doesn't depend on interchangeable barrels. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5cmkly/was_it_because_of_a_change_in_technology_or_a/ | {
"a_id": [
"d9xt6u8",
"d9xysts"
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"score": [
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"text": [
"All general purpose machine guns (GPMGs) that I am aware of retain the interchangeable barrel function - a GPMG being a roughly 7.62mm belt-fed platoon- or company-level machine gun capable of laying down large volumes of fi... | [] | [] | [
[],
[
"https://fas.org/man/dod-101/sys/land/m249.htm",
"https://www.army.mil/article/92130/M2A1_Machine_Gun_features_greater_safety__heightened_lethality"
]
] | |
25fyl0 | Are quarks shaped differently or are they all spheres? | askscience | http://www.reddit.com/r/askscience/comments/25fyl0/are_quarks_shaped_differently_or_are_they_all/ | {
"a_id": [
"chgty0r",
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"score": [
8,
13,
3
],
"text": [
"At the quantum level that quarks exist on shape stops really being a thing. In diagrams they are commonly represented as spheres, though in truth they have no shape, and cannot in fact exist unless par... | [] | [] | [
[],
[],
[]
] | ||
6ku5kh | why do blue laws still exist? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6ku5kh/eli5why_do_blue_laws_still_exist/ | {
"a_id": [
"djotx1f",
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"score": [
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"text": [
"Many people are still religious and support such laws, so they remain. It is legal to make a religiously motivated law, just not to establish mandatory religion.",
"Because people are used to them and no one is chomping ... | [] | [] | [
[],
[]
] | ||
24a05o | the symptoms of a common cold | Why makes your throat hurt, causes you to keep coughing, what is the phlegm (ugh) and the changes of color, the pressure in your head and the normal yucky feeling? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/24a05o/eli5_the_symptoms_of_a_common_cold/ | {
"a_id": [
"ch54t4z"
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"score": [
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"text": [
"A common cold has not much to do with actual temperature. It is an infection, mostly by viruses. There are dozens if not more viruses known that can lead to the symptoms commonly associated with a cold. \n\nNow, how does a virus infect us? Normal... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Eustachian_tube"
]
] | |
1vhdjb | nasdaq, dow jones, etc. | What are they and which is their relationship? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1vhdjb/eli5_nasdaq_dow_jones_etc/ | {
"a_id": [
"cesdj92"
],
"score": [
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"text": [
"They are stock indexes. Basically they are each used as a measure of a certain \"basket\" of stocks. There are thousands of different indexes used to track different market sectors. The Dow, Nasdaq and S & P 500 are the three most well know in ... | [] | [] | [
[]
] | |
67441p | Were soldiers traumatized or "shell-shocked" after the Napoleonic Wars or other earlier wars? How were returning soldiers treated by the public? Were they treated for their condition? | We understand that many soldiers after the World Wars were suffering from PTSD after their experiences, and their treatment and public response is pretty well known. But what about in earlier wars? Did the public ignore the soldiers and think they were cowards? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/67441p/were_soldiers_traumatized_or_shellshocked_after/ | {
"a_id": [
"dgoar7u"
],
"score": [
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],
"text": [
"Diagnosing mental illness retrospectively is a minefield. With respect to soldiers in history and their relationship with PTSD, I would refer you to the FAQ or past threads like [this](_URL_0_).\n\nPaging /u/Iphikrates to comply with the rules o... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/457idw/did_people_in_ancientmedieval_times_suffer_from/"
]
] | |
486wpd | What were the relationships of the various intelligence services of the Eastern Bloc with the KGB/Moscow? | I am currently watching Deutschland 83 and the East German intelligence corps seem to have quite a lot of freedom in conducting espionage, but at the same time appear to ultimately take orders from Moscow. Was there a formal system or hierarchy of Communist spy agencies?
P.S. As a side note, this is a fantastic subred... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/486wpd/what_were_the_relationships_of_the_various/ | {
"a_id": [
"d0i2v7o"
],
"score": [
4
],
"text": [
"There wasn't a formal hierarchy, but the KGB loomed large over all of the Warsaw Pact intelligence services, and its primacy was undisputed. Soviet intelligence personnel had a hand in creating all of the Eastern Bloc secret services, and KGB lia... | [] | [] | [
[
"http://www.bstu.bund.de/EN/Home/home_node.html",
"https://www.cia.gov/library/center-for-the-study-of-intelligence/csi-publications/books-and-monographs/on-the-front-lines-of-the-cold-war-documents-on-the-intelligence-war-in-berlin-1946-to-1961/4-2.pdf",
"https://books.google.co.uk/books/about/The_Fi... | |
l0lvo | How does genetic testing work (in order to test for genetic diseases)? | The title explains it all. | askscience | http://www.reddit.com/r/askscience/comments/l0lvo/how_does_genetic_testing_work_in_order_to_test/ | {
"a_id": [
"c2ot6s6",
"c2ot6s6"
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"score": [
2,
2
],
"text": [
"A person with a genetic disease has a particular gene that differs from the normal, unaffected population. When a genetic disease is identified that can be tested for, the discoverers known what and where the gene is and wh... | [] | [] | [
[],
[]
] | |
pl6ft | What varieties of memory are there and how do they work? | [In this comment](_URL_0_) FormerlyKnwnAsPrince informs me that "There are MANY types of memory, and this skill learning is a specific type of memory called implicit or procedural memory. Long term memory generally refers to declarative memories"
This leads me to believe there are several types of memory and not just ... | askscience | http://www.reddit.com/r/askscience/comments/pl6ft/what_varieties_of_memory_are_there_and_how_do/ | {
"a_id": [
"c3q90ha"
],
"score": [
7
],
"text": [
"Very detailed question, but i'll take a stab at it. I majored in Neuroscience and am now a first year medical student so I know a fair bit about this but I'm no expert.\n\n1. The cerebellum helps to coordinate movement and accounts for one type o... | [] | [
"http://www.reddit.com/r/askscience/comments/pkvnl/is_riding_a_bike_muscle_memory/c3q74qr"
] | [
[]
] | |
vq5pt | Why does bird poo look how it does? | Was pulling my dog away from some white bird droppings on the sidewalk when I thought about this. Why does bird poo look so different from dog poo? Or for that matter, most types of animal droppings a simple Joe like me would be familiar with (brown, round, etc)? I've never had a pet bird, so I'm not 100% sure what fre... | askscience | http://www.reddit.com/r/askscience/comments/vq5pt/why_does_bird_poo_look_how_it_does/ | {
"a_id": [
"c56pf92"
],
"score": [
2
],
"text": [
"Birds actually urinate and defecate at the same time - their urine is viscous and highly concentrated (I believe it has a lot of ammonia in it, which is the characteristic smell). The white liquid/paste is the concentrated urine and the black pel... | [] | [] | [
[
"http://marcypusey.files.wordpress.com/2012/02/bird_poo430x300.jpg"
]
] | |
6djzci | Is there a way to determine the radius of a black hole, or would anything of the sort be a guess? | askscience | https://www.reddit.com/r/askscience/comments/6djzci/is_there_a_way_to_determine_the_radius_of_a_black/ | {
"a_id": [
"di3h5gv",
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],
"score": [
7,
3,
2
],
"text": [
"The radius of the event horizon can be calculated from analyzing the orbits of nearby stars or planets. From the way it interacts gravitationally with its surroundings you can find mass, and thus the ra... | [] | [] | [
[],
[],
[]
] | ||
1vt35y | if everyone on earth infected with a common cold got better at this exact second, would anyone else get sick? if so how would it be transmitted considering there aren't any carriers of the virus? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1vt35y/if_everyone_on_earth_infected_with_a_common_cold/ | {
"a_id": [
"cevinkb"
],
"score": [
3
],
"text": [
"Viruses can survive for limited times on various surfaces which would allow reinfection."
]
} | [] | [] | [
[]
] | ||
76k3ab | Why does a log burn longer than the same amount of wood chopped up? | Now that it's getting cold, I was staring at my wood stove and thinking about this. Is it a mass thing? The same energy is there just gaps in between. | askscience | https://www.reddit.com/r/askscience/comments/76k3ab/why_does_a_log_burn_longer_than_the_same_amount/ | {
"a_id": [
"doesvf1"
],
"score": [
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],
"text": [
"If you cut a cylindrical log in two, you increase the surface area significantly. This means more of the log can burn at once, and so it is consumed faster.\n\nThis is not the only effect. If you put logs in close proximity, part of the radiant ... | [] | [] | [
[]
] | |
2nh2my | where does white zit pus eventually go if you don't pop the zit? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2nh2my/eli5_where_does_white_zit_pus_eventually_go_if/ | {
"a_id": [
"cmdju22",
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"cmdraza",
"cmdrzlx",
"cmdszdx",
"cmdu29t",
"cmduabn",
"cmdvc0b",
"c... | [] | [] | [
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"https://www.youtube.com/watch?v=BDr44vLNnPY"
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"http://www.oddee.com/item_99145.aspx"
],
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"http://en.wikipedia.org/wiki/Danger_triangle_of_the_face"
... | ||
4gp84t | In general, how accurate do you find the CaspianReport's 'History of Islam' series? | [Link](_URL_0_) (~100 minutes in total, for those interested) | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4gp84t/in_general_how_accurate_do_you_find_the/ | {
"a_id": [
"d2jleah"
],
"score": [
7
],
"text": [
" > The thing is, Islam emerged in literate times. Historians were writing journals. Scholars were writing diaries and letters. Jurists were writing bureaucratic articles. So from the 7th century onward there was a rich record of documents, and t... | [] | [
"https://www.youtube.com/watch?v=no5RCHRbknk&list=PLv-SNV2XmnZkJAGWGRKWTWheqEjEejQnf"
] | [
[
"https://www.reddit.com/r/AskHistorians/comments/3yencp/how_did_christians_react_to_losing_so_many/cyd28pl",
"https://m.reddit.com/r/AskHistorians/comments/3pm6tg/what_are_the_most_reliable_sources_on_muhammad/"
]
] | |
240sbj | How did the American Forces learn to defeat the Japanese during the Guadalcanal Campaign in WWII? | The Ken Burns documentary, "The War" claimed that while the initial battles in the Guadalcanal Campaign were marked with significant causalities, American forces we're getting stronger and smarter:
> "The Americans were beginning to learn how to beat the Japanese not only in the air and on the sea, but in the jungles... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/240sbj/how_did_the_american_forces_learn_to_defeat_the/ | {
"a_id": [
"ch2kr1e",
"ch2prdm",
"ch2wka7"
],
"score": [
95,
8,
6
],
"text": [
"In the air, the Cactus Air Force was tying out new tactics to combat the agile Japanese Zero. \"Cactus Air Force\" is a nickname for the pilots of Henderson Field on Guadalcanal--codenamed Cactus. Th... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Thach_Weave"
],
[],
[
"https://docs.google.com/document/d/1vhqVUZSg74hp7F7rPRfM39glx4plbp9qRATp1On5xFY/edit?usp=sharing"
]
] | |
5mirkg | why do most current-gen games on consoles require you to wait until it's fully installed, while last-gen games could be played immediately? | XCOM 2, Fallout 4 and Dishonored 2 just name a few games where you can't play it, at least not the entirety of the game, until it's been completely installed from the disc. Whereas on the Xbox 360 I could pop in a game I'd never played before and the whole thing would be accessible. Why is this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5mirkg/eli5_why_do_most_currentgen_games_on_consoles/ | {
"a_id": [
"dc3y6z0",
"dc42nwq"
],
"score": [
5,
4
],
"text": [
" At a guess I would say that new games are bigger then a disc can hold, my battlefield 1 digital game was 43 GB (rip my data cap :( ). Im willing to bet that if everything has to be read off the discs the load screens would... | [] | [] | [
[],
[]
] | |
o3pcr | Why is it easier to remember a phrase or image than a single word? | When trying to learn words in a foreign language, I am often making up mnemonics to remember such as a silly image, a link word, or even just a phrase or context to remember it in. Why is this easier than just memorizing a word and its definition? | askscience | http://www.reddit.com/r/askscience/comments/o3pcr/why_is_it_easier_to_remember_a_phrase_or_image/ | {
"a_id": [
"c3e4w9c"
],
"score": [
2
],
"text": [
"The use of mnemonics such at those you describe are likely to work at a number of different levels. Firstly, when thinking about memory and learning, it is important to emphasise the role of attention. That is, when you *personally* create a mnem... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Levels-of-processing_effect"
]
] | |
1poeic | the three scripts of the japanese language and their usage. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1poeic/eli5_the_three_scripts_of_the_japanese_language/ | {
"a_id": [
"cd4btlj"
],
"score": [
4
],
"text": [
"Hiragana ひらがな is like the standard Japanese alphabet.\n\nKatakana カタカナ is used for words of foreign origin.\n\nKanji 漢字 is that impossible to read shit that was imported from China. \n\nNow, why don't they just get rid of Kanji, since they are su... | [] | [] | [
[]
] | ||
1v66b5 | what are computer glitches and why do they occur? | How does things like zero gravity glitch happen in GTA? Are they put in my the programmers and like a fun thing can you do?
(Submitted this question earlier but I realized I mislead people because the responses did not answer my question. Sorry for the mix up.) | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1v66b5/eli5_what_are_computer_glitches_and_why_do_they/ | {
"a_id": [
"cep39z2",
"cep3kuk"
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"score": [
3,
2
],
"text": [
"In really simple terms, it's when you do something the program has no idea how to respond to. In a perfect program this would never happen, but no program is perfect. So for example if you glitch through the wall in a game, ... | [] | [] | [
[],
[]
] | |
60lvxi | how do companies calculate and quantify the value of a new sponsorship? | E.g. Nike decides to enter a million dollar sponsorship with a sports team, how does Nike know it is worth the money? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/60lvxi/eli5_how_do_companies_calculate_and_quantify_the/ | {
"a_id": [
"df7h205"
],
"score": [
5
],
"text": [
"Essentially, they guess. It's an educated guess based on past experiences, but a guess none the less. \n\nThey know the size of their current market, and what portion of that they own. They make an educated guess on how much incremental revenu... | [] | [] | [
[]
] | |
49z5pr | how does googles new ai work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/49z5pr/eli5_how_does_googles_new_ai_work/ | {
"a_id": [
"d0w1j2c",
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"score": [
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],
"text": [
"It is called machine learning and is quite complex.\n\nWhat it boils down to is that you break a problem into discreet parts, or steps.\n\nYou show the machine all the different s... | [] | [] | [
[],
[],
[],
[]
] | ||
5uwh5j | how would people, before television or radio decide who to vote for? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5uwh5j/eli5how_would_people_before_television_or_radio/ | {
"a_id": [
"ddxe9h2"
],
"score": [
4
],
"text": [
"Newspapers were the major way information was spread before radio. Political candidates also did a lot more public speaking. They did \"whistle-stop tours\" where they basically road trains and stopped in every town and gave a speech. Local polit... | [] | [] | [
[]
] | |
14lg1b | Why exactly does spinning rapidly throw off our equilibrium. | askscience | http://www.reddit.com/r/askscience/comments/14lg1b/why_exactly_does_spinning_rapidly_throw_off_our/ | {
"a_id": [
"c7e5ibo",
"c7e67qo"
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"score": [
5,
4
],
"text": [
"This is not my area of expertise. But just in case you don't get a more detailed answer. \n\nI'm faily certain what you are looking for is the [Vestibular System](_URL_0_) of the inner ear. It contains a fluid which moves wi... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Vestibular_system"
],
[]
] | ||
69p0rb | what makes an everyday expense/activity tax deductable? | So I know a few wealthy-ish people who have sole proprietorships/LLCs and they have both mentioned that they do things like smoke cigars, golf, see movies, go on trips, etc. and all of these things and even their gas is tax deductable. How does this happen? I assume there have to be circumstances like you claiming golf... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/69p0rb/eli5_what_makes_an_everyday_expenseactivity_tax/ | {
"a_id": [
"dh8bryt"
],
"score": [
2
],
"text": [
"My dad's an accountant. Short answer is, you have to have a business or at least individual income to deduct business expenses. If you're an employee somewhere that doesn't count. \n\nIf you don't file schedule C there are not many deductions you... | [] | [] | [
[]
] | |
1fajba | Natural sleeping position without a pillow | askscience | http://www.reddit.com/r/askscience/comments/1fajba/natural_sleeping_position_without_a_pillow/ | {
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"score": [
258,
120,
67,
15,
72,
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"text": [
"This is kind of an impossible question to answer from an archae... | [] | [] | [
[],
[],
[
"https://www.google.com/search?client=firefox-a&hs=5IZ&rls=org.mozilla:en-US:official&q=sleeping+lion&bav=on.2,or.r_qf.&bvm=bv.47244034,d.cGE&biw=1920&bih=949&um=1&ie=UTF-8&hl=en&tbm=isch&source=og&sa=N&tab=wi&ei=_remUYLAEOqbiAKdjoFg"
]... | ||
d6lf38 | Why was the Revolutionary War over after the battle of Yorktown? I never understood why the rest of the British forces didn't keep fighting, especially if they still had significant forces based in New York City, and if Cornwallis wasn't even the commander of British forces in the states. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/d6lf38/why_was_the_revolutionary_war_over_after_the/ | {
"a_id": [
"f0uxztg",
"f0v0vgc",
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749,
179,
16
],
"text": [
"Cornwallis had one of the armies in the South with Alexander Stewart commanding another in South Carolina around Charleston. The lack of a foothold in the states and resilience of the American army... | [] | [] | [
[],
[],
[]
] | ||
sygm3 | If we could cause nuclear fusion on Earth (in a reactor, of course), could we use the products for fission? | In nuclear fusion, two atoms collide at extremely high speeds and create one. This is what happens in stars. If we could find a way to do this on Earth in a controlled environment, would we be able to use the eventual products for nuclear fission? If so, would this be an "unlimited" source of energy? | askscience | http://www.reddit.com/r/askscience/comments/sygm3/if_we_could_cause_nuclear_fusion_on_earth_in_a/ | {
"a_id": [
"c4i0zfx",
"c4i10n1"
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"score": [
2,
7
],
"text": [
"The elements that are generally considered fissile materials are only formed during supernovae. Any fusion we perform on earth or that occurs in main sequence stars will not produce fissile materials. \nBesides, fusion shou... | [] | [] | [
[],
[]
] | |
16eksw | Why do we have organisms on Earth that can survive in the vacuum of space? | Tardigrades, some bacteria(?), and mushroom spores are some examples. | askscience | http://www.reddit.com/r/askscience/comments/16eksw/why_do_we_have_organisms_on_earth_that_can/ | {
"a_id": [
"c7vccs4"
],
"score": [
2
],
"text": [
"Why not? It is a side effect of having a form to survive harsh conditions on Earth, such as drought."
]
} | [] | [] | [
[]
] | |
1g02oa | Did the Greeks and Romans read the "classics" | There's a modern list of *the* Greek and Roman classics (e.g., The Odyssey, Republic, and Aeneid). Do we have the same Greek and Roman canon as the actual Greeks and Romans?
If not, what were the best-sellers of the classical G & R world? Esp. those that are extant today. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1g02oa/did_the_greeks_and_romans_read_the_classics/ | {
"a_id": [
"cafhd4c"
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"score": [
18
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"text": [
" > Did the Greeks and Romans read the \"classics\"?\n\nAbsolutely. I'm much more familiar with the Romans than the Greeks, so I can only speak as to them - though I can't think of any reason that the Greeks would be different - but today's grea... | [] | [] | [
[
"http://www.jstor.org/discover/10.2307/702631?uid=3739560&uid=2&uid=4&uid=3739256&sid=21102087172833",
"http://www.jstor.org/stable/1075766",
"http://books.google.com/books?id=eybIGmuny64C&pg=PA118#v=onepage&q&f=false"
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1n6ude | Are there any ancient civilizations that did not build stairs? | Stairs seem like such an intuitive tool yet so does the wheel and the Inca lived without that, so I was wondering. Did any ancient civilization not build stairs? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1n6ude/are_there_any_ancient_civilizations_that_did_not/ | {
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"The wheel is something that would need to be invented in order to be used, wheras stairs and steps can form naturally, so this question would be incredibly hard to answer whilst sticking to the AskHistorians top answer guidelines. The wheel was ... | [] | [] | [
[]
] | |
16ibxm | Why didn't the destroyed cities of Europe change their city layouts after World War II? | Inspired by [this post](_URL_0_), where it is said that European cities do not have grid city layouts because they were designed earlier than American cities. However, after World War II, many cities, particularly in Germany and Poland, were essentially completely destroyed. So why did they not take the opportunity to ... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/16ibxm/why_didnt_the_destroyed_cities_of_europe_change/ | {
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"well, London did after 1666, but mainly because they were **Mostly** destroyed, people still knew where their houses used to be, what land they used to own and how everything used to look, they wanted t... | [] | [
"http://www.reddit.com/r/pics/comments/16hz9e/chicago/"
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[],
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"http://upload.wikimedia.org/wikipedia/commons/9/95/1744_Wren_Map_of_London%2C_England_-_Geographicus_-_London-wren-1744.jpg"
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kkcwz | f-stop and aperture | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/kkcwz/eli5_fstop_and_aperture/ | {
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"http://www.reddit.com/r/explainlikeimfive/comments/jownq/eli5_photography_terms_aperture_shutter_speed_iso/",
"http://www.reddit.com/r/explainlikeimfive/comments/jownq/eli5_p... | ||
87zam9 | how does soap help remove body odor im comparison to plain water? | How does soap help remove body odor in comparison to just plain old water? I know it removes oils.. but what causes the odor and why does soap remove it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/87zam9/eli5_how_does_soap_help_remove_body_odor_im/ | {
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"A lot of the stuff that makes us dirty and smelly is accumulated on our body because of oil. Oil traps in dirt and odors. And if you know anything about oil, you should know that it doesn't mix or dissolve in water. So wh... | [] | [] | [
[],
[]
] | |
2c88fb | How do we know this is really 2014? | What really confuses me is how we actually know it is 2014? If we don't know much about certain periods of time, like in British history between the fall of the Roman empire and the end of the dark ages, how can we be sure we've added up the dates right? I suppose more generally i'm skeptical about how much we actually... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2c88fb/how_do_we_know_this_is_really_2014/ | {
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"The most definite way is by old astronomica... | [] | [] | [
[],
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"http://www.staff.ncl.ac.uk/kevin.greene/wintro/chap4.htm",
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"http://www.reddit.com/r/AskHistorians/comments/17e1kl/how_certain_are_we_that_the_year_1_ad_was_2012/",
"... | |
2co4cb | How and when was it discovered the Mayans hadn't used wheels? Are their other questionable decisions that Mayans were 'blind' to? | How do you collect such archaeological evidence of a wheel not being used? Also, why didn't it strike the very first archaeologists, that the Mayans hadn't used wheels? Didn't they have potter's wheels?
Is it only a legend or history? Didn't they ever come in contact with traders who had used wheels? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2co4cb/how_and_when_was_it_discovered_the_mayans_hadnt/ | {
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"The wheeled vehicle is not as intuitive an invention as most people seem to think. In fact, as /u/Daeres explains in [this submission](_URL_0_), it was only ever invented twice and possibly even only once, in the entire history of mankind. The re... | [] | [] | [
[
"http://www.reddit.com/r/badhistory/comments/2bgqyf/carts_cereals_and_ceramics/"
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n426h | how (in north america) social conservative values became aligned with economic conservatism | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/n426h/eli5_how_in_north_america_social_conservative/ | {
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"Very briefly: those who benefit from a signifi... | [] | [] | [
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"http://en.wikipedia.org/wiki/New_Deal#Keynesian_and_monetarist_interpretations"
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3hw6b9 | how do they make sure that low level employees at the white house (custodians, chefs, etc) aren't going to try to kill the president? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3hw6b9/eli5_how_do_they_make_sure_that_low_level/ | {
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"The same way that determine that the high level employees won't do it -- very, very thorough background checks.",
"Background checks, more background checks, and then even more... | [] | [] | [
[],
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1340op | Does a colony of penguins stand s chance in the north pole? What about a polar bear in antacrtica? | askscience | http://www.reddit.com/r/askscience/comments/1340op/does_a_colony_of_penguins_stand_s_chance_in_the/ | {
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"Penguins were once introduced into the Arctic to fill the space left by the now extinct 'Great Auk'.\n\nThey were released with tags attached. One just disappeared and another ... | [] | [] | [
[],
[
"http://www.newscientist.com/article/mg18725133.000"
],
[
"http://en.wikipedia.org/wiki/Great_auk"
],
[]
] | ||
aznj3r | How are primers made for PCR chosen? | After DNA has been extracted, how does one know what sequence of nucleotides is complementary to the DNA? PCR is used to increase the amount of a specific part of the DNA so that the DNA can be sequenced, right? How do we know the sequence of that DNA well enough before PCR in order to make a primer for that segment of... | askscience | https://www.reddit.com/r/askscience/comments/aznj3r/how_are_primers_made_for_pcr_chosen/ | {
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"text": [
"random primers are generally used for sequencing unknown DNA. You take a solution containing completely random oligos and they will bind to and amplify everything. Then once you assemble the sequence you can design specific ... | [] | [] | [
[],
[]
] | |
3h7u8i | what will happen to mickey mouse when he becomes public domain in 2023? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3h7u8i/eli5_what_will_happen_to_mickey_mouse_when_he/ | {
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"He won't become public domain. In 2022 they'll extend how long copyright lasts after the creator's death, just like the last two tim... | [] | [] | [
[],
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3dua2g | why do we accept that all the world's diverse species have a common ancestor while human beings are considered to be too complex for having only one paternal and maternal ancestors? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3dua2g/eli5_why_do_we_accept_that_all_the_worlds_diverse/ | {
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"\"ancestor\" in the first sentence refers to a species, \"ancestor\" in the 2nd sentence refers to an individual. Also human ancestry has nothing to do wit... | [] | [] | [
[],
[],
[],
[],
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"http://www.livescience.com/1410-rex-related-chickens.html"
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688buq | what is sdk?what is api? | Hello friends I would like to know what is SDK and what is an API and how they related or the difference between them.
P.S. Noob question. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/688buq/eli5what_is_sdkwhat_is_api/ | {
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"SDK stands for Software Development Kit.Which means a platform where you can develop a software within a software/workspace.\nand API is Application program ... | [] | [] | [
[],
[
"helloWorld.cs"
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[],
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6ox6dl | why can humans not digest fiber? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6ox6dl/eli5_why_can_humans_not_digest_fiber/ | {
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"text": [
"We lack the enzyme (chemical) needed to break down cellulose. Our body doesn't produce it.\n\n1. [ELI5:Why does the body not fully digest things like corn and tomato rinds? ](_URL_2_)\n1. [ELI5: Why doesn't the human body di... | [] | [] | [
[
"https://www.reddit.com/r/explainlikeimfive/comments/289c18/eli5what_is_fiber_and_what_do_our_bodies_do_with/",
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"https://www.reddit.com/r/explainlikeimfive/comments/37h9ph/eli5why_does_the_body_no... | ||
1idxx8 | why couldn't t-rex have been both predatory and scavenging? | This question is in response to [this article](_URL_0_). The wording in the article makes it seem like experts agree it could only have been one or the other:
"... scientists have long debated whether Tyrannosaurs hunted their food or scrounged on carrion and other predators' kills."
"Some experts ... have argued... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1idxx8/eli5_why_couldnt_trex_have_been_both_predatory/ | {
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"Language like this is usually used for disambiguation. It *can* lead to confusion in the process, but mostly it's to try and *avoid* it. \n\nThere's often some overlap between behaviour. In fact, *most* carnivores will scavenge when given the ch... | [] | [
"http://westerndigs.blogspot.com/2013/07/t-rex-tooth-found-in-dinosaurs-tail.html"
] | [
[]
] | |
2m4h57 | Inspired by Interstellar: What happens to the rotation of a large planet orbiting a black hole? | Imagine a roughly spherical planet orbiting a black hole. This planet also rotates around its own axis. What happens if the planet is big enough that the passage of time is significantly different on the near side than the far side?
I understand the passage of time on the near side would be relatively slower than on ... | askscience | http://www.reddit.com/r/askscience/comments/2m4h57/inspired_by_interstellar_what_happens_to_the/ | {
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"The reason for the time dilation that happens isn't directly due to the black hole itself, it is more to do with how fast the planet needs to orbit the black hole to maintain a stable orbit. If the planet is moving too slow it would just get suc... | [] | [] | [
[]
] | |
9xhods | When splitting water molecules by electrolysis, how would sperate the hydrogen and oxygen? | askscience | https://www.reddit.com/r/askscience/comments/9xhods/when_splitting_water_molecules_by_electrolysis/ | {
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"What?\n\nIf I’m interpreting your question right, the two gasses will collect at the positive and negative poles in the circuit. Putting a test tube or some other container in the water over each pole will collect the gases as they bubble up. \n\... | [] | [] | [
[]
] | ||
2u6yk2 | Why is it that every copy of the Bible that I've ever seen has two columns on each page? | I've read a bit about how chapter/verse are/were decided in the Bible, different proposed versions, etc., but I can't seem to find out when/why this trend of two columns on a page started.
Was the goal simply to make the text more easily readable and navigable? Or is there some significance? And do we have any idea wh... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2u6yk2/why_is_it_that_every_copy_of_the_bible_that_ive/ | {
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"While I'd prefer to wait for a much more qualified person than I am to chime in, I believe it all started with the first Gutenberg Bibles, which had indeed forty-two lines of text over two columns; ... | [] | [] | [
[],
[
"http://www.crossway.org/blog/2006/05/two-column-bibles/"
],
[
"http://en.wikipedia.org/wiki/Hexapla"
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40m4yd | Were the mentally ill revered and allowed to roam freely throughout the middle ages? | So I was studying Michel Foucault's work (Sociology) and there was a tiny bit of information that claimed that in the past the mentally ill were allowed to roam freely, were seen holy or sacred and allowed to live among the 'normal' population. This was because they were seen as showing the limits of human sanity or so... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/40m4yd/were_the_mentally_ill_revered_and_allowed_to_roam/ | {
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"I think you need to define what you mean by \"mentally ill\" more clearly. It is a very broad label. ",
"Well you probably don't consider Syria to be western Europe, but I happen to have a source t... | [] | [] | [
[],
[],
[]
] | |
1l382e | Gluon are reponsible for the mass of a proton but the higg boson are the responsible for the mass of a gluon? | I m kinda of lost with the higgs boson, first i was thinking that the higg field was the responsible for the mass of all the particles but apparently its not? Quarks take their mass from this field but proton take only 12 MEV of their mass from quarks so 926 MEV from the gluon? | askscience | http://www.reddit.com/r/askscience/comments/1l382e/gluon_are_reponsible_for_the_mass_of_a_proton_but/ | {
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"Gluons are massless.\n\nProtons and neutrons get a percent or so of their mass from the Higgs effect (which gives a small mass to the up and down quarks), and the rest of their mass from the strong force fields (primarily) ... | [] | [] | [
[],
[]
] | |
2afnnr | Does a star always have to be at the center of a solar system? | Does a star always have to be at the center of a solar system? Or is it possible to have a solid planet like object at the center and other planets circling it? And even have moons circling those planets? Or even a small star circling that larger planet?
I wasn't sure how large objects would have to be and how dense t... | askscience | http://www.reddit.com/r/askscience/comments/2afnnr/does_a_star_always_have_to_be_at_the_center_of_a/ | {
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"text": [
"It's a misconception that stars are in the center of a stellar system. \n\nIn such systems, all objects are orbiting around a common center of mass, the so called barycenter. Is th... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Rogue_planet"
],
[],
[]
] | |
3bpdx7 | Before there was Rock 'n' Roll, what music did the rebellious teens of a decade such as the 1930's (and the surrounding years) listen to? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3bpdx7/before_there_was_rock_n_roll_what_music_did_the/ | {
"a_id": [
"csoaer5",
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2
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"text": [
"There was a time when Jazz was not fancy, there was a time when it was considered a corrupting influence. It was linked to crime, drugs, insanity, promiscuity... \n\nCheck [this article](_URL_0_) published in Ladies Home J... | [] | [] | [
[
"https://books.google.com.mx/books?id=sol334hPuRoC&pg=PA152&lpg=PA152&dq=Ladies+Home+Journal+jazz&source=bl&ots=FBNG-CXoAN&sig=XZWKcDrQ2WGfLXrF9CEgc-3yVPU&hl=en&sa=X&ei=gFKTVcCLM8faoASkk7aABw&redir_esc=y#v=onepage&q=Ladies%20Home%20Journal%20jazz&f=false"
],
... | ||
237fcn | When were governments first expected to create jobs? | More broadly, when did it become expected that governments attempt to intervene in economics?* | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/237fcn/when_were_governments_first_expected_to_create/ | {
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"text": [
"I'll take your more specific question. \n\nThe sources I've read about the creation of parks in cities (specifically Central Park, which I'll look through my house to find) shows that during the 19th Ce... | [] | [] | [
[],
[],
[]
] | |
17nxme | When and how did child marriage start to be seen as inappropriate in the Western culture? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/17nxme/when_and_how_did_child_marriage_start_to_be_seen/ | {
"a_id": [
"c87cw5h",
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],
"text": [
"Child marriage was never really \"appropriate\" in Western culture; it barely happened. According to parish records, the average age for marriage was between 17 and 25 across much of Europe in the middle ages. The average ... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Margaret_Beaufort,_Countess_of_Richmond_and_Derby"
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[
"http://en.wikipedia.org/wiki/Decretum_Gratiani",
"http://en.wikipedia.org/wiki/Decretal",
"http://www.amazon.co.uk/Medieval-Maidens-England-1270-1540-Manchester/dp/071905964X/ref=sr_1_3?s=books&ie=UTF8&a... | ||
5heph7 | why do artists upload their full album to their youtube channel for free? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5heph7/eli5_why_do_artists_upload_their_full_album_to/ | {
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"text": [
"From an economic standpoint, there is a theory that this will actually increase album sales. It is based on the idea that psychologically, you want to do something for someone who gives you something. So, naturally, the thi... | [] | [] | [
[],
[]
] | ||
1xpf6z | What happened to the armies immediately after a battle in Medieval Europe? | Did the victor try and hunt down the remainder of his opponent's army? How did the general or king regroup and what happened to all the defeated soldiers who were displaced within foreign land? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1xpf6z/what_happened_to_the_armies_immediately_after_a/ | {
"a_id": [
"cfdk9zh"
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"text": [
"This is a vague question and has many different points that can and should be considered. But in all, I will do my best to provide an answer to a general battle during the early Medieval period. First and foremost, open battles happened quite ... | [] | [] | [
[]
] | |
jxyrd | Why does the sun change the color of my hair? Picture in comment | I dyed my hair blonde over a year and a half ago. I hated it and after a month I went back to my naturally dark brown hair. Ever since it's been dark brown, again, it turns into a golden blonde color about an inch past the roots. I haven't straightened it or dyed it for over a year and it still changes color. Does anyb... | askscience | http://www.reddit.com/r/askscience/comments/jxyrd/why_does_the_sun_change_the_color_of_my_hair/ | {
"a_id": [
"c2g61eb",
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"score": [
2,
2
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"text": [
"Did you dye it brown? When you lighten hair with a bleach, it does damage it and makes it more vulnerable to harsh chemicals (shampoos) radiation (the sun), wind and any other stress. Also if you dyed it brown, the dye would... | [] | [
"http://imgur.com/gKJHQ"
] | [
[],
[]
] | |
1scnrk | How long did slaves in America retain their specific tribal identities/religions/languages? | I know that many musical traditions were preserved, but it seems that the tribal identities, religions, and languages disappeared. How many generations did this take? Are there parts of the Americas where the tribal cultures lasted longer than others? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1scnrk/how_long_did_slaves_in_america_retain_their/ | {
"a_id": [
"cdwa6fu"
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"text": [
"Many of the customs survived. If you go by John Thornton's Africans and the Making of the Atlantic World, many of the Slaves, though coming from different kingdoms had many language and religious similarities. So when new Africans arrived in t... | [] | [] | [
[
"https://www.youtube.com/watch?v=ijl7Sg3ZAd0"
]
] | |
2rkyd0 | how is there a slow lane and a fast lane on the highway if the speed limit never changes? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2rkyd0/eli5_how_is_there_a_slow_lane_and_a_fast_lane_on/ | {
"a_id": [
"cngtpas",
"cngtrv6",
"cngttsz",
"cngv5mg",
"cngwdra"
],
"score": [
3,
2,
3,
2,
2
],
"text": [
"Some people drive faster than others. Passing on the driver's side is usually safer, which usually means passing on the left.\n\nAll the people merging in and... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
3m720q | how can a solution to a problem suddenly pop up? | So I am a software programmer, where every now and then I have a code puzzle to be solved. I can have like no idea for hours about how to solve it, then out of nowhere a solution pops up in my mind. How does this work? :-) thanks! | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3m720q/eli5_how_can_a_solution_to_a_problem_suddenly_pop/ | {
"a_id": [
"cvcjw5f"
],
"score": [
3
],
"text": [
"Subconscious mind solves it for you with all of the acquired knowledge and experience. This won't happen if you've no knowledge. "
]
} | [] | [] | [
[]
] | |
26hyzz | If a king was presumed dead and an heir took the throne, what happens when the old king returns? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/26hyzz/if_a_king_was_presumed_dead_and_an_heir_took_the/ | {
"a_id": [
"chrbri0",
"chrbwdr",
"chrdss5",
"chrdtzb"
],
"score": [
8,
101,
3,
2
],
"text": [
"Are you thinking of a specific case or are wondering if this has ever happened?",
"A slightly different scene. The Ottoman emperor Murad II abdicated his throne in favour of ... | [] | [] | [
[],
[],
[],
[
"http://www.reddit.com/r/AskHistorians/wiki/rules#wiki_no_.22in_your_era.22_or_.22throughout_history.22_questions",
"http://www.reddit.com/r/AskHistorians/wiki/features/trivia"
]
] | ||
1dzlpd | Does muscle repair faster when asleep, rather than lying completely motionless? | Let's say you go to the gym and do some lifting, for example bench press. Will your pectorals repair faster if you're sleeping or will it repair at the same rate as if you were lying still? Thanks | askscience | http://www.reddit.com/r/askscience/comments/1dzlpd/does_muscle_repair_faster_when_asleep_rather_than/ | {
"a_id": [
"c9vh6sz"
],
"score": [
2
],
"text": [
"Sleep involves increased secretion of growth hormone, which does stimulate increased protein synthesis in skeletal muscle.\n\n_URL_0_"
]
} | [] | [] | [
[
"http://science.education.nih.gov/supplements/nih3/sleep/guide/info-sleep.htm"
]
] | |
47d3z8 | Were Gun Control Laws in the USA originally motivated by racism/Jim Crow? | Someone I know is making this argument and citing this source.
_URL_0_ | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/47d3z8/were_gun_control_laws_in_the_usa_originally/ | {
"a_id": [
"d0c58b1"
],
"score": [
17
],
"text": [
"The bottom line is, yes, there was definitely a racist root to much of it. One of the concerns of the Supreme Court in the infamous Dredd Scott case was that if blacks were citizens, then it would give, horror of horrors, \"to persons of the neg... | [] | [
"https://www.firearmsandliberty.com/cramer.racism.html"
] | [
[
"http://www.guncite.com/journals/senhal14.html",
"http://www.hoffmang.com/firearms/AB263-Hawes-1923.pdf"
]
] | |
2eg9cw | What is the correllation between the name of chinese currency yuan and the dynasty? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2eg9cw/what_is_the_correllation_between_the_name_of/ | {
"a_id": [
"cjz8ex8"
],
"score": [
8
],
"text": [
"They use the same character, 元. That's it. It's a common character, meaning \"round\" or \"round coin\".\n\nTo elaborate, the Yuan dynasty was a period of Mongol rule over China, from c. 1260 (de facto, 1271 officially) to 1368 (1380 if you count... | [] | [] | [
[
"http://afe.easia.columbia.edu/mongols/china/china.htm",
"http://www.allempires.com/article/index.php?q=The_Mongol_Empire",
"http://blogs.wsj.com/marketbeat/2010/06/21/yuan-or-renminbi-whats-the-right-word-for-chinas-currency/",
"http://www.kenelks.co.uk/chinese/chinesedragon.htm"
]
] | ||
6xbxzb | Why are trees in the Sahara flat and wide? | I understand it is a certain species that grow like this, but how is it beneficial to the tree? It seems like it is very important to the animals because of how much shade is provides, but wouldn't the increased surface area on top create issues with more of the tree being exposed to direct sunlight? | askscience | https://www.reddit.com/r/askscience/comments/6xbxzb/why_are_trees_in_the_sahara_flat_and_wide/ | {
"a_id": [
"dmetc5l",
"dmeyyz9"
],
"score": [
9,
8
],
"text": [
"More sunlight is a good thing for the tree, as long as it can get enough water. Other trees don't spread out so much because the competition makes it a wasted effort, but in the Savannah the chance of two trees thriving righ... | [] | [] | [
[],
[
"https://i.pinimg.com/originals/f9/b8/80/f9b880284e84d54244d899e162923eef.jpg",
"https://en.wikipedia.org/wiki/Sahara",
"https://i.pinimg.com/originals/e0/48/b9/e048b931e652b4adeb736c340e21d7cb.jpg",
"https://afktravel.com/wp-content/uploads/2015/07/shutterstock_137959859.jpg",
"https://... |
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