q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
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values | url stringlengths 4 132 | answers dict | title_urls list | selftext_urls list | answers_urls list |
|---|---|---|---|---|---|---|---|---|---|
8fylaw | how did we as humans collectively decide on the location of the international date line? | how did it get decided that the day starts from japan and ends at north america. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8fylaw/eli5_how_did_we_as_humans_collectively_decide_on/ | {
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"you'll notice the exact opposite longitude goes through London. \n\nwhen they started timezones etc, Britain was basically the Great Power. They decided that all longitudes, and, later, timezones would... | [] | [] | [
[],
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2phapa | Were does the inertia of a playground swing come from? | EDIT: Forget inertia, I meant momentum.
I just noticed I don't understand playground swing sets:
A kid sits on a playground swing set at rest. The system has zero net momentum.
The child starts swinging by pumping its legs and throwing its body forward and backward. The system still has zero net momentum, as the ch... | askscience | http://www.reddit.com/r/askscience/comments/2phapa/were_does_the_inertia_of_a_playground_swing_come/ | {
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"Swings with children pumping their legs to increase their peak height have actually quite complicated physics that many people confuse with the simpler case ... | [] | [] | [
[],
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"http://www.reddit.com/r/askscience/comments/2bzfti/how_does_pumping_a_swing_work/"
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"https://www.youtube.com/watch?v=AQLtcEAG9v0"
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2cqtfa | Why do serrations help knives and saws cut? | askscience | http://www.reddit.com/r/askscience/comments/2cqtfa/why_do_serrations_help_knives_and_saws_cut/ | {
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"Serrated blades focus the pressure onto many smaller points of contact, and those contact points are at a higher angle, both of which works better to cut some surfaces or materials. It isn't quite as sm... | [] | [] | [
[],
[],
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27tc3w | How were Medieval churches and cathedrals financed? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/27tc3w/how_were_medieval_churches_and_cathedrals_financed/ | {
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"Indulgences could be used to finance the building of cathedrals in at least one case. Pope Leo X allowed for the sale of indulgences to finance the renovation of St Peter's Basilica, the act of selling... | [] | [] | [
[
"http://scholarship.rollins.edu/mls/7",
"http://www.ewtn.com/library/councils/trent6.htm"
],
[],
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"http://www.iga.ucdavis.edu/Research/All-UC/conferences/spring-2010/Hohenberg%20paper.PDF",
"http://www.athenapub.com/14scholler.htm"
]
] | ||
3xyeer | How long did Humans typically go without eating? | The modern diet as we know it consists of Three meals and snacks in between.
Did we primarily always eat this much? Or were we built to sustain without eating over longer periods of time? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3xyeer/how_long_did_humans_typically_go_without_eating/ | {
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"I would suggest that you consider cross-posting this to /r/AskAnthropology, as it is less an historical question than one about human physiology.",
"History-related question:\n\nIs a three-meal day a modern practice? Ho... | [] | [] | [
[],
[]
] | |
13696f | when movies make hundreds of millions, whats an accurate picture of where this money comes from and where it ends up? | For example: Skyfall has already made over $ 500 million around the world. Where do they get that figure from? Where does this money come from? How much do the studios get? What about the theaters? The advertising agencies?
| explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/13696f/eli5_when_movies_make_hundreds_of_millions_whats/ | {
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"text": [
"Typically, a writer/producer develop the idea for a film. They take this idea and 'sell' it to a studio for, let's say, 10 $.\n\nThe studio will now hire actors, writers (maybe ... | [] | [] | [
[],
[
"http://www.npr.org/blogs/money/2010/05/the_friday_podcast_angelina_sh.html"
],
[],
[
"http://johnaugust.com/2011/how-movie-money-works"
]
] | |
1h0muy | When did my Iron Meteorite form? | I own a small piece of shrapnel from a meteorite that fell in the Sikhote-Alin mountains of the Russian Far-East in 1947.
When (or what range of time) did the iron accumulate and form what would be this meteorite? | askscience | http://www.reddit.com/r/askscience/comments/1h0muy/when_did_my_iron_meteorite_form/ | {
"a_id": [
"capxvcj"
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"score": [
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"text": [
"Iron meteorites formed within a few ~50 million years of the start of the solar system so it's about 4.5 to 4.567 billion years old."
]
} | [] | [] | [
[]
] | |
4mhxf5 | What reactions happen in the brain when someone experiences in 'epiphany'? | askscience | https://www.reddit.com/r/askscience/comments/4mhxf5/what_reactions_happen_in_the_brain_when_someone/ | {
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"text": [
"When researchers study this, they typically call it \"insight\" and is often used in the context of problem solving. There are some interesting behavioral aspects of insight: the longer you are working on a problem, the closer you feel you are to... | [] | [] | [
[
"http://psycnet.apa.org/psycinfo/2010-17510-005",
"http://www.sciencedirect.com/science/article/pii/S0278262608001668",
"http://link.springer.com/article/10.3758/bf03197722",
"http://journals.plos.org/plosbiology/article?id=10.1371/journal.pbio.0020097",
"https://s-media-cache-ak0.pinimg.com/7... | ||
15mrym | When a person says they're not fat, but big boned, can that actually be the cause for their big size? How much bigger could someone's bones be than that of the average person's, with or without looking fat? | askscience | http://www.reddit.com/r/askscience/comments/15mrym/when_a_person_says_theyre_not_fat_but_big_boned/ | {
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"text": [
"Two different questions here. One, yes some people have larger bone structures. Two, the statement is colloquially used in America by people who deny that they're overweight. The second half of you... | [] | [] | [
[],
[
"http://25.media.tumblr.com/tumblr_lnn79qfqkA1qc6n7jo1_1280.jpg"
],
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"http://2.bp.blogspot.com/_xgmFu-D_yj4/TVCsU9SMzsI/AAAAAAAAAC8/74iwbsACOoA/s1600/DEXA%2BPic.jpg"
]
] | ||
6iunka | do good gut bacteria fight against each other? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6iunka/eli5_do_good_gut_bacteria_fight_against_each_other/ | {
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"text": [
"Yes! It's definitely an active area of research, but you can be pretty assured that wherever there is a dense, varied bacterial community, they are fighting each other. Certainly indirectly via competition for resources, and in some cases directl... | [] | [] | [
[]
] | |
6jlwru | Why is it that when a spacecraft docks with the ISS, the force of them docking doesn't disrupt the orbit of the station? | From the videos I've seen of docking, they dock a lot faster than i would imagine.
I would have thought that over the years of spacecraft docking at the ISS this would change the stations orbit? | askscience | https://www.reddit.com/r/askscience/comments/6jlwru/why_is_it_that_when_a_spacecraft_docks_with_the/ | {
"a_id": [
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"text": [
"It does! Whenever two bodies in space come into contact, they transfer momentum. Fortunately, when spacecraft dock with the ISS, they use their thrusters to dock at a speed which does not have a significant impact on the ov... | [] | [] | [
[],
[]
] | |
1g6x6w | Would meat ever spoil if we killed all bacteria on it and kept it in a vacuum? | askscience | http://www.reddit.com/r/askscience/comments/1g6x6w/would_meat_ever_spoil_if_we_killed_all_bacteria/ | {
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"text": [
"[Neil deGrasse Tyson on Food for Mars Missions](_URL_1_), Neil deGrasse explains how they conserve food in space, and how the texture changes even if no microbes are in the food.\... | [] | [] | [
[
"http://www.youtube.com/watch?v=6vVle67Tfjc",
"http://www.youtube.com/watch?feature=player_detailpage&v=5HK-ZOStQqQ#t=47s",
"http://www.youtube.com/watch?v=mxavDn270to"
],
[],
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"http://www.sciencedirect.com/science/article/pii/S0309174006000854"
],
[]
] | ||
82hd9r | why do most restaurants/fast food places use foamy soap? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/82hd9r/eli5_why_do_most_restaurantsfast_food_places_use/ | {
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"text": [
"The soap is the same as normal hand soap. It is the dispenser that makes the soap foam. These dispensers help to reduce waste by making it seem like you have more soap than you really do. It doesn't take a lot of soap to eff... | [] | [] | [
[],
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] | ||
59rv2s | In the Andy Williams Christmas song "It's The Most Wonderful Time of the Year" he says "There'll be parties for hosting Marshmallows for toasting And caroling out in the snow There'll be scary ghost stories". Why is he talking about Scary Ghost Stories at Christmas? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/59rv2s/in_the_andy_williams_christmas_song_its_the_most/ | {
"a_id": [
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"text": [
"The tradition of telling ghost stories at Christmas time is a moderately long one, and – certainly outside the US, where Hallowe'en has often only become a big thing in the last 20-25 years (very much true where I write, here in the UK) – it sig... | [] | [] | [
[
"https://mikedashhistory.com/2010/06/29/wonderful-terrific-and-eccentric-magazines/",
"https://www.ilab.org/eng/documentation/1258-why_did_charles_dickens_write_ghost_stories_for_christmas.html",
"http://commapress.co.uk/resources/online-short-stories/the-signalman-charles-dickens"
]
] | ||
1d4etx | To what extent can/do multiple strains of an illness (like 2 different kinds of the flu or 2 colds for example) infect a person at the same time and compete for control of their body? | askscience | http://www.reddit.com/r/askscience/comments/1d4etx/to_what_extent_cando_multiple_strains_of_an/ | {
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"For something like the flu or a cold if the viruses have different target cells they probably don't compete much. They are just waiting until they find the right cell type to replicate. \n\nAs for bacterial pathogens there would be a lot of compe... | [] | [] | [
[]
] | ||
4dl3pj | why is the default stressful dream "unprepared in high school" for so many people? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4dl3pj/eli5_why_is_the_default_stressful_dream/ | {
"a_id": [
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"text": [
"I think it's because school is the first time people are \"graded\" based on effort entirely within their social circle they are immersed in daily.\n\nIt's not just hormones causing you to feel uncomfortable, anxious and stressed, but you also ha... | [] | [] | [
[]
] | ||
291o1m | Did any non-Austrian influenced Italians (i.e. Scicilians) oppose unification in the 19th century? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/291o1m/did_any_nonaustrian_influenced_italians_ie/ | {
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"cigujm2",
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"score": [
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],
"text": [
"When the unification movement started, Cavour only wanted Piedmont to annex what was North of Rome. He practiced Realpolitik, which meant he was interested in tangible results and all of his actions were calculated. Garibald... | [] | [] | [
[],
[]
] | ||
4ao9lf | why does a phone need to be charged above 15% to take a picture? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4ao9lf/eli5_why_does_a_phone_need_to_be_charged_above_15/ | {
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"text": [
"First, phones make some assumptions about the battery. They might know the charge level, but they calculate the rate they are draining at based on current activity. So if you fire up the camera and see... | [] | [] | [
[],
[],
[]
] | ||
1t7gjj | What was the largest slave plantation in history? | The largest US plantation I can find is Joshua Ward's rice plantation with 1,130 slaves.
However, considering the average Jamaican sugar plantation had 223 slaves, I was wondering if there were any single plantations larger than this in the Caribbean or possibly in Brazil. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1t7gjj/what_was_the_largest_slave_plantation_in_history/ | {
"a_id": [
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"text": [
"Just briefly reviewing this [book](_URL_1_) which also has the 223 figure as the average size I would think that there would be no plantations significantly larger than the average given that:\n\n1) i... | [] | [] | [
[
"http://www.academia.edu/562057/Life_and_Death_on_a_Barbadian_Sugar_Plantation_Historic_and_Bioarchaeological_Views_of_Infection_and_Mortality_at_Newton_Plantation",
"http://books.google.com/books?id=ppGJBmQVJjEC&pg=PA74&lpg=PA74&dq=223+jamaican+plantation&source=bl&ots=F1B6KqpKoU&... | |
bpjf8q | For experts about the American Revolution in the South--what happened to the British soldiers who were stationed in Charleston when the Revolutionary War started? | I have read at least five books on this subject and they all just skip right over this. They all start with how tensions were high and how the quartering act made most Charlestonians mad and there was a British appointed governor... and then suddenly the war has started and the British are trying to invade Charleston, ... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/bpjf8q/for_experts_about_the_american_revolution_in_the/ | {
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"text": [
"I'm afraid the answer is disappointingly simple: there were no British regulars in Charleston in 1775, and by the time open fighting began, the British had other worries than immediate reconquest of a somewhat insignificant town.\n\nThe pre-war B... | [] | [] | [
[]
] | |
3gpqy8 | In Western Europe in the 16th/17th centuries, how achievable would it have been to 'pretend' to a higher status? Are there examples of people doing so? | My research revolves around fairy tales and I had this question arise in my head after reading a tale from Giambattista Basile's 1634 *Il Pentamerone*. The tale that made me wonder about this is called 'Cagliuso' or 'Pippo', but more commonly known from Charles Perrault's variant, 'Puss in Boots'. If you don't know the... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3gpqy8/in_western_europe_in_the_16th17th_centuries_how/ | {
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"text": [
"\n\nPerkin Warbeck as Richard of York:\nNot only did young Perkin Warbeck masquerade as a prince, he nearly succeeded in overthrowing King Henry VII of England. In 1491, Warbeck appeared in Ireland claiming he was Richard ... | [] | [] | [
[
"http://www.history.com/news/history-lists/7-people-who-pretended-to-be-royals"
],
[]
] | |
61yc1s | How oppressive was Lee Kuan Yew's government? What questionable policies did it enforce? | Singapore is a country often spoken highly of, with frequent references to its wealth, growth and functioning low-tax free market system. Regardless of the various factors that allows Singapore to be especially prosperous, it is unquestionable that it is quite authoritarian. Criminal punishments are harsh, political sp... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/61yc1s/how_oppressive_was_lee_kuan_yews_government_what/ | {
"a_id": [
"dfiyxe3"
],
"score": [
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],
"text": [
"Follow-up question:\n\nWhat are the best books to read to begin studying about LKY? \n\nI've watched his interviews on Charlie Rose and I find I am utterly fascinated by him.\n\nThank you!"
]
} | [] | [] | [
[]
] | |
44kkh4 | how do wet dreams cause one to cum if there is no sexual pleasure in reality? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/44kkh4/eli5_how_do_wet_dreams_cause_one_to_cum_if_there/ | {
"a_id": [
"czqvcx3"
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"score": [
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"text": [
"Sexual pleasure is mostly in the mind. Your dreams are fully capable of providing that. What little contact is needed for wet dreams is provided by your underwear/other clothing, sheets, or actually masturbating in your sleep. "
]
} | [] | [] | [
[]
] | ||
283xue | During the Three kingdoms period, was Lu Bu real? And was he as strong as people say he was? | I know it's mostly historical fiction, but was Lu Bu real? And if so was he truly a strong warrior? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/283xue/during_the_three_kingdoms_period_was_lu_bu_real/ | {
"a_id": [
"ci7eati"
],
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"text": [
"Lü Bu was a real person, yes. Chen Shou's *Sangouzhi* (三國志, Records of the Three Kingdoms, written in the 3rd century) mentions him, and that's pretty much the most cited historical document for the time period/location. \n\nWhile the site itse... | [] | [] | [
[
"http://kongming.net/novel/sgz/lubu.php"
]
] | |
kwhv6 | Hypothetically, could anaphylactic shock be treated by sending the victim bungee-jumping or other adrenaline-inducing experience? | Here's what I'm thinking:
* EpiPen's active ingredient is adrenaline
* the body produces adrenaline naturally during exciting experiences
* so when lacking medical adrenaline, could inducing the body to produce it be better than doing nothing?
However:
* nearly dying would surely induce adrenaline anyway? | askscience | http://www.reddit.com/r/askscience/comments/kwhv6/hypothetically_could_anaphylactic_shock_be/ | {
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"score": [
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"text": [
"If the person is unconscious because of the anaphylactic shock, probably not.",
"Another question: Wouldn't the fact that you prob... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | |
e6lsnc | how does picture format conversion work? eg. png to jpg | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/e6lsnc/eli5_how_does_picture_format_conversion_work_eg/ | {
"a_id": [
"f9r8z4h"
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"score": [
3
],
"text": [
"It's basically the same as translating languages. A program knows how to read and save both formats and remakes the original in the other format."
]
} | [] | [] | [
[]
] | ||
38y40s | why is it that every device i own slowly but surely slows down and refuses to work like they once did no matter what i do? shouldn't upgrades and better technology ensure longer lifetimes for gadgets, not kill them off and force me to buy new ones? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/38y40s/eli5why_is_it_that_every_device_i_own_slowly_but/ | {
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"text": [
"I hear this all the ... | [] | [] | [
[],
[],
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[],
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[
"http://m.imdb.com/title/tt1825163/"
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cr5okt | When did garbage collection become a common feature in American cities? What did people do with their refuse before that? | I'm also curious about when recycling collection was added in America and when trash compactors started to be used.
Thanks for your answers! | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/cr5okt/when_did_garbage_collection_become_a_common/ | {
"a_id": [
"ex4qirz",
"ex70hm5"
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"score": [
92,
14
],
"text": [
"TL;DR: Roughly 1880 - 1890, starting largely in New York City.\n\nFor a brief overview, [A Filthy History: When New Yorkers Lived Knee-Deep in Trash](_URL_5_) gives a pretty good outline, and is a review of a book, [_Pick... | [] | [] | [
[
"https://99percentinvisible.org/article/cities-paved-dung-urban-design-great-horse-manure-crisis-1894/",
"https://www.worldcat.org/title/picking-up-on-the-streets-and-behind-the-trucks-with-the-sanitation-workers-of-new-york-city/oclc/795174388",
"https://sustainability.weill.cornell.edu/recycling/bri... | |
77ku1e | how does having sickle cell protect against malaria? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/77ku1e/eli5how_does_having_sickle_cell_protect_against/ | {
"a_id": [
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10,
2
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"text": [
"We don't know exactly, but it has something do do with the fact that the Malaria parasite lives in the red blood cells for part of their development. \n\nThere are different theories, but they basically come down to one of ... | [] | [] | [
[],
[]
] | ||
1rkk4z | What was the lifelong illness that plagued Augustus? | I know we don't know for sure, but what are the likely theories? I can't seem to find any good sources other than possible typhoid fever (which is inconsistent with a life of sickness). | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1rkk4z/what_was_the_lifelong_illness_that_plagued/ | {
"a_id": [
"cdo6fb7"
],
"score": [
3
],
"text": [
"Could you explain why you think that Augustus suffered from a lifelong illness in the first place?"
]
} | [] | [] | [
[]
] | |
986ph0 | How come North and West are common English surnames, but not East and South? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/986ph0/how_come_north_and_west_are_common_english/ | {
"a_id": [
"e4eacdt",
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"score": [
693,
141
],
"text": [
"Hello everyone. Just want to give a quick heads up as to why there are a bunch of removed comments, because people keep asking. Here are some of the removed comments, in their entirety:\n\n > Damn it. I need an answer.\n... | [] | [] | [
[],
[
"Forebears.io",
"https://forebears.io/surnames/south",
"https://forebears.io/surnames/west",
"https://forebears.io/surnames/north",
"https://forebears.io/surnames/east"
]
] | ||
c8ohpq | the physics that make the double bounce on a trampoline so effective and at launching kids so high in the air. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/c8ohpq/eli5_the_physics_that_make_the_double_bounce_on_a/ | {
"a_id": [
"eso9oo4",
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"score": [
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4
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"text": [
"When you land on a trampoline, the weight of your body landing loads the webbing and springs with potential energy.\n\nMore people landing on the webbing at the same time creates more potential energy on the trampoline. \n\n... | [] | [] | [
[],
[]
] | ||
24boq8 | Would fighter jets experience G forces if they fought in space? For example, would it be possible for the x-wing pilots in star wars to black out from over G's? | askscience | http://www.reddit.com/r/askscience/comments/24boq8/would_fighter_jets_experience_g_forces_if_they/ | {
"a_id": [
"ch5qytw",
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"text": [
"Absolutely they would. G-forces, as they're referred to in air-to-air combat, are the forces experienced by the pilot due to centripetal acceleration as they make tight turns, and for brief periods can exceed 5x the force o... | [] | [] | [
[],
[
"http://youtu.be/7ktcShww8rM"
]
] | ||
37gfbl | why the u.s. is going after fifa, but none of the international big banks? | Why is the United States placing RICO charges against Fifa, but not a single person got arrested for the 2008 financial collapse, or the more recent 5 big banks having to pay $5.4 billion for rigging currencies?
Is FIFA really that bad, that they are worse than destroying the worlds economy or rigging currencies? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/37gfbl/eli5_why_the_us_is_going_after_fifa_but_none_of/ | {
"a_id": [
"crmgaih"
],
"score": [
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"text": [
"With the FIFA scandal, the issue can be traced back to certain individuals who took bribes and against who they have proof. (though it has not actually gone through a court of law yet, so we don't even know what charges they will eventually end ... | [] | [] | [
[]
] | |
22aytj | How are the fundamental forces related, and how does the weak force fit in? (many questions) | Hi, I hope I'm not breaking any rules or etiquette with this post, but I've got a lot of questions about the fundamental forces.
From what I understand, gravity has one property (sorry I don't have a better word for this) and reaches it's lowest energy state when anything displaying this property (mass) is brought clo... | askscience | http://www.reddit.com/r/askscience/comments/22aytj/how_are_the_fundamental_forces_related_and_how/ | {
"a_id": [
"cgl9es0"
],
"score": [
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"text": [
" > From what I understand, gravity has one property (sorry I don't have a better word for this) and reaches it's lowest energy state when anything displaying this property (mass) is brought close together. Electromagnetism has two properties, pos... | [] | [] | [
[]
] | |
d35mci | Does cognitive ability such as memory, processing decline as we age? | I'm almost 30, and I've noticed my memory and mental math abilities are not what they use to be. I work in accounting and when I first started seven years ago, I could see a number like $244,891.33 and instantly memorize it as I minimize the window and open up some other application. Now, this is not the case. I'm also... | askscience | https://www.reddit.com/r/askscience/comments/d35mci/does_cognitive_ability_such_as_memory_processing/ | {
"a_id": [
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"score": [
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"text": [
"I feel like the answer to this question is really well known... Yes, cognitive ability decreases with age, but I don't think that you're witnessing it before 30. The brain is very \"plastic\" when youre young and \"elastic\"... | [] | [] | [
[],
[]
] | |
gh6r8 | What is the highest velocity an object in space can travel at before relativistic effects take place (or become a problem?) | Say I had a fast spaceship and I wanted to zoom around the solar system. How fast relative to the speed of light could I go before the I (or an observer) would experience noticeable shortening, increase in mass, or time dilation? I understand that this may be akin to asking exactly when our distant ancestors became hum... | askscience | http://www.reddit.com/r/askscience/comments/gh6r8/what_is_the_highest_velocity_an_object_in_space/ | {
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],
"text": [
"It depends what you mean by noticeable. In order to experience a 1% change in elapsed time or distance, you'd have to be going 14% the speed of light.",
"You're really asking a... | [] | [] | [
[],
[
"http://www.wolframalpha.com/input/?i=1+%2F+sqrt%281-x^2%29+from+x%3D0+to+1",
"http://en.wikipedia.org/wiki/Lorentz_factor"
],
[],
[
"http://leapsecond.com/great2005/tour/"
]
] | |
6pj79z | how do natural fields exist? (more specifically, ones found in the middle of forests.) | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6pj79z/eli5_how_do_natural_fields_exist_more/ | {
"a_id": [
"dkpxkd4"
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"score": [
3
],
"text": [
"It's part of ecological succession. Environments are constantly changing. It's a system that is complicated by an almost infinite amount of factors and conditions. Usually a glade represents an area that recently changed so that it could no longe... | [] | [] | [
[]
] | |
5x4mgc | I'm looking for examples (Sources) of literature which typify Colonialist attitude? To use as a reading in Church. | Imperialist sentiment, perhaps expressed in terms of European superiority. Or something of that kind... It needs to be rather brief, no more that a few hundred words... Any thoughts? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5x4mgc/im_looking_for_examples_sources_of_literature/ | {
"a_id": [
"defb6ta"
],
"score": [
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"text": [
"Hi! I think the best example i can think of would be Rudyard Kipling's *White Man's Burden*. You can find it on the internet but here's a link anyway:\n\n_URL_0_\n\nCheers!"
]
} | [] | [] | [
[
"https://pdcrodas.webs.ull.es/anglo/KiplingTheWhiteMansBurden.pdf"
]
] | |
1855bt | Was illegal immigration around in the US during the late 1800s and early 1900s? | The question seems self-explanatory but I'll elaborate if asked. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1855bt/was_illegal_immigration_around_in_the_us_during/ | {
"a_id": [
"c8bp3kc",
"c8bq4ik"
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"score": [
14,
12
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"text": [
"Immigration was first regulated on a mass scale in [1892](_URL_2_), when the requirement to be registered at Ellis Island was created. Immediately illegal immigration came into existence. The term \"wop\" for Italian-Ameri... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Emergency_Quota_Act",
"http://en.wikipedia.org/wiki/Wetback_(slur)",
"http://en.wikipedia.org/wiki/Ellis_Island",
"http://en.wikipedia.org/wiki/Wop"
],
[
"http://www.chatham.edu/pti/curriculum/units/2003/Sage.pdf",
"https://www.mtholyoke.edu/acad/intrel/ch... | |
b9pqhk | When Hernan Cortez and the Spaniards arrived in the Aztec empire in 1519, it is been said that Cortes was taken to the king of the Aztecs and told them he was a peaceful emissary sent by King of Spain. How was this information relayed to the Aztecs linguistically? | It was also said the Spaniards asked for a diplomatic interview with the king. I believe this was the first time the Aztecs had encountered Europeans, so I imagine their would be no precedent for any sort of translation. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/b9pqhk/when_hernan_cortez_and_the_spaniards_arrived_in/ | {
"a_id": [
"ek6ckii",
"ek8v6xr"
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"score": [
51,
2
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"text": [
"There’s one quite clear answer to this: the Spaniards communicated at first via two translators, the Spaniard Géronimo de Aguilar and the Nahua woman Malinche/Malintzin (also \"Marina\" to the Spanish). For a few years befo... | [] | [] | [
[
"http://www.mesolore.org/uploads/original/02TlaxIntroCell9-1341094119.jpg",
"https://www.historians.org/teaching-and-learning/teaching-resources-for-historians/teaching-and-learning-in-the-digital-age/the-history-of-the-americas/the-conquest-of-mexico/narrative-overviews/malinche-indian-princess-or-slavis... | |
1gemha | Why do we get hungry sooner after a small, high-calorie meal than after a large, low-calorie meal even if the net caloric content is the same? | askscience | http://www.reddit.com/r/askscience/comments/1gemha/why_do_we_get_hungry_sooner_after_a_small/ | {
"a_id": [
"cakc9m0"
],
"score": [
3
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"text": [
"Hunger is a physiological response to a range of chemical markers in blood changing, such as depleted blood glucose and reduced blood amino acid content. When you eat, you trigger a number of chemical pathways, such as through stretch receptors i... | [] | [] | [
[
"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1365716/"
]
] | ||
17v14m | Why are American spellings of many words different from English spellings? | Was it a conscious decision on the part of the newly-independent citizens? Or was it what I suspect it was; a simple by-product of the language's development? If so, what facilitated that, and why has that not been the case for Canada or Australia? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/17v14m/why_are_american_spellings_of_many_words/ | {
"a_id": [
"c892omd",
"c895pra"
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"score": [
3,
2
],
"text": [
"I can only speak for the Australian experience. There has been some use of US spelling in Australia.\n\nFor example the ALP which is the Australian Labor Party. It was spelt with the American spelling of Labour as they bel... | [] | [] | [
[],
[]
] | |
7208pw | how do software updates like ios11 speed up the phone? | How do software updates speed up the app transitions, closure of apps etc. In my very basic knowlede of computing, the hardware, dictates how powerful/fast a .device is | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7208pw/eli5how_do_software_updates_like_ios11_speed_up/ | {
"a_id": [
"dnerc6x",
"dnfbw44"
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"score": [
3,
2
],
"text": [
"The hardware will determine the maximum performance. How fast a app or the operation system depends on hot the program code is written.\n\nThere are multiple ways to write code that do the same thing and it is usually the ca... | [] | [] | [
[
"https://www.youtube.com/watch?v=gOKVwRIyWdg"
],
[]
] | |
1cbpdz | Why do dogs obey our commands? | Hopefully this hasn't been asked, I did look for it but we all know how effective the search feature is. Any way I was wondering what makes dogs so willing to submit to people and take commands so well (generally). | askscience | http://www.reddit.com/r/askscience/comments/1cbpdz/why_do_dogs_obey_our_commands/ | {
"a_id": [
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"c9ezt2y",
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"score": [
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],
"text": [
"We've selectively bred them to be good at it.",
"Dogs are pack animals just like humans. We share the same kind of social dynamics and are reading and responding in the same k... | [] | [] | [
[],
[],
[],
[]
] | |
6emer6 | why are the majority of boundaries between us states perfect straight lines? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6emer6/eli5_why_are_the_majority_of_boundaries_between/ | {
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"dibo7d7",
"dibouwe",
"dibpmqd",
"dibqii9",
"dibuhcw",
"dibwqn6",
"d... | [] | [] | [
[],
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[],
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[],
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"https://s-media-cache-ak0.pinimg.com/originals/a3/c1/b0/a3c1b01b243391b0334bc9717810f661.jpg",
"http://www.lib.utexas.edu/maps/historical/shepherd/british_colonies_1763-76.jpg"
],
[
"https://en.wikipedia.org/wiki/Sykes%E2%80%... | ||
i12rp | How is there a way to clean radioactive water like the water at the Fukushima plant? | I was thinking that radioactive water might be heavier than the standard issue stuff, so you might be able to use a centrifuge to spin the radioactive stuff out. Is this anywhere close to correct? | askscience | http://www.reddit.com/r/askscience/comments/i12rp/how_is_there_a_way_to_clean_radioactive_water/ | {
"a_id": [
"c200w5k",
"c201u6e"
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"score": [
8,
2
],
"text": [
"It's not the water itself that's radioactive, it's that it's contaminated with radioactive matter. You can separate that out any which way; filtration or evaporation and so on. _In principle_ it's very easy, but in practice ... | [] | [] | [
[],
[]
] | |
1wt7w2 | What altitude does sound stop working? | I just watched the video of Felix Baumgartner's jump, and it got me thinking. At the altitude that he jumped, was there sound he could hear? (If he could have taken his helmet off and lived.) In space there is no sound due to the lack of air molecules to transmit the sound waves, however he was still technically in t... | askscience | http://www.reddit.com/r/askscience/comments/1wt7w2/what_altitude_does_sound_stop_working/ | {
"a_id": [
"cf5baq5"
],
"score": [
3
],
"text": [
"NB This is not a complete answer, but this may be of use to someone who has time to write and research a fuller answer:\n\nThe atmosphere doesn't suddenly stop in the same way that - say - the oceans do with a clear boundary between water and air... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Red_Bull_Stratos"
]
] | |
30kntd | Why do white shirts glow under U.V. lights? | askscience | http://www.reddit.com/r/askscience/comments/30kntd/why_do_white_shirts_glow_under_uv_lights/ | {
"a_id": [
"cptl4jb"
],
"score": [
4
],
"text": [
"Washing powder often contains a compound that fluoresces under UV light. This is to make your \"whites seem whiter\" when outside in the sun."
]
} | [] | [] | [
[]
] | ||
q44d1 | hypnosis | There was a hypnotist who came to my college and put on a show, during which he made a bunch of students look like idiots on stage. What was up with that? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/q44d1/eli5_hypnosis/ | {
"a_id": [
"c3ulhv0",
"c3up20h"
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"score": [
83,
3
],
"text": [
"Please do not talk about hypnosis from a Freudian standpoint (ie: subconscious and conscious minds). Hypnosis is a state of selective attention and concentration in which highly suggestible people (10% or so of the populati... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Hypnotic_susceptibility#Stanford_Scales",
"http://en.wikipedia.org/wiki/Stage_hypnosis"
],
[]
] | |
433ggr | do other mammals (apes, cows, etc.) get high from weed smoke, or trip balls with magic mushrooms? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/433ggr/eli5_do_other_mammals_apes_cows_etc_get_high_from/ | {
"a_id": [
"czf4nlh"
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"score": [
2
],
"text": [
"Elephants seem to deliberately go for fallen, fermented fruit knowing full well from experience the effect it will have. An elephant never forgets it really loves you, mate. Nah, really really, OK, like you know, defnally LOVES you. Who you calli... | [] | [] | [
[]
] | ||
5o87y2 | If elephants had gone extinct before humans came about, and we had never found mammoth remains with soft tissue intact, would we have known that they had trunks through their skeletons alone? | Is it possible that many of the extinct animals we know of only through fossils could have had bizarre appendages? | askscience | https://www.reddit.com/r/askscience/comments/5o87y2/if_elephants_had_gone_extinct_before_humans_came/ | {
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"score": [
2267,
323,
152,
137,
6,
21,
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11,
2,
2,
3,
2
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"text":... | [] | [] | [
[
"http://markwitton-com.blogspot.ca/2016/08/trunk-or-no-trunk-short-or-giant-ears.html",
"http://scienceblogs.com/tetrapodzoology/2009/03/20/junk-in-the-trunk/"
],
[],
[],
[
"http://www.amnh.org/exhibitions/mythic-creatures/land-creatures-of-the-earth/greek-giants/"
],
[
"https://www.re... | |
1qcs6r | Was The Ottoman Empire eager to join WWI against Britain as retribution for the Treaty of Balta Liman in 1838, or were they more weary and only did so at the bequest of their ally Germany? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1qcs6r/was_the_ottoman_empire_eager_to_join_wwi_against/ | {
"a_id": [
"cdbjbqr",
"cdbt8ic"
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"score": [
12,
2
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"text": [
"By the onset of WWI, the Ottoman Empire, despite being a parliamentary monarchy by name, functioned more as a de facto oligarchy, with the men in charge being known as the the [Three Pashas](_URL_0_). It was under the Three... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Three_Pashas",
"http://en.wikipedia.org/wiki/Ottoman-German_Alliance"
],
[]
] | ||
6ycc6c | why wasps and other insects like it exist | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6ycc6c/eli5_why_wasps_and_other_insects_like_it_exist/ | {
"a_id": [
"dmma7f7"
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"score": [
5
],
"text": [
"Animals and other lifeforms do not exist \"for a reason\", and while every lifeform inhabits a niche in it's environment, it does not have to be beneficial to that environment, or to other life in that environment- there is no purpose here. \n\nT... | [] | [] | [
[]
] | ||
3sxizk | why are multiple car dealerships all clumped together next to each other? | I've noticed that every time I see one car dealership, there's 6 more next to and around it. My bosses house has a Ford, Chevy, Nissan and Lincoln within 100 feet from each other and a BMW is currently being built next to the Nissan one. Why do dealerships do this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3sxizk/eli5_why_are_multiple_car_dealerships_all_clumped/ | {
"a_id": [
"cx182zu",
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"cx1fmeb",
"cx1owut"
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"score": [
17,
6,
4,
18,
4,
3
],
"text": [
"To fight for customers in key areas. It's like if you have one dealership in the west and another in the east about an hour away, then... | [] | [] | [
[],
[],
[],
[
"https://www.youtube.com/watch?v=jILgxeNBK_8"
],
[],
[
"https://en.m.wikipedia.org/wiki/Hotelling%27s_law"
]
] | |
9gg6cp | how do animal claws start fat at the base and grow pointy? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9gg6cp/eli5_how_do_animal_claws_start_fat_at_the_base/ | {
"a_id": [
"e64bqor"
],
"score": [
7
],
"text": [
"They are getring used up, meaning theyll get pointy. in the case of a dog, they usually get pointy by the dog just walking, In the case of cats (and I assume many other animals too) the claws grow frome inside out, at the same time as as from bac... | [] | [] | [
[]
] | ||
4xwxu9 | why haven't we been able to discover how to craft very old things, such as greek fire? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4xwxu9/eli5_why_havent_we_been_able_to_discover_how_to/ | {
"a_id": [
"d6j40i7",
"d6jv0z5"
],
"score": [
22,
3
],
"text": [
"We can make things like Greek Fire was described. But without knowing what it was we can't be sure what we made was actually the old recipe. It isn't a problem of making the mixture, it is a question of identification of wh... | [] | [] | [
[],
[]
] | ||
284pkt | Why does Croatia's coat of arms have the red and white checkered part? Is there any back story to this or is it just there? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/284pkt/why_does_croatias_coat_of_arms_have_the_red_and/ | {
"a_id": [
"ci7jv8r"
],
"score": [
9
],
"text": [
"It comes from legends about Red Croatia and White Croatia. Constantine VII Porphyrogenitus, an Eastern Roman Emperor in the 900s talks about inviting the tribe of \"White Croatians\" to be part of the empire, when they migrated from Bavaria & K... | [] | [] | [
[]
] | ||
qf1ht | twin peaks | Did a search, couldn't find it. ELI5: Twin Peaks please. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/qf1ht/eli5_twin_peaks/ | {
"a_id": [
"c3x3jql",
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4,
2,
2
],
"text": [
"Erm, what part? There are lots of things about Twin Peaks that are hard to understand.",
"It's about the dark, unconscious mind manifesting chaos into the real world.",
"Couldn't find it with G... | [] | [] | [
[],
[],
[
"http://twinpeaks.wikia.com/wiki/Twin_Peaks_Wiki",
"http://twinpeaks.org/",
"http://en.wikipedia.org/wiki/Twin_Peaks"
]
] | |
er84q7 | why do eyes get red when watching tv or a screen for a long time | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/er84q7/eli5_why_do_eyes_get_red_when_watching_tv_or_a/ | {
"a_id": [
"ff26m2y",
"ff27b4m"
],
"score": [
3,
2
],
"text": [
"From straining them. You're focused so you blink less. The same idea can be used when putting pressure on a body part for to long will make it red. The touch is focused on per say.",
"Because they dry out. When our eyes ... | [] | [] | [
[],
[]
] | ||
fggy8d | does an older phone battery (less capacity) charge faster than a new phone with brand new battery? and if it’s using a portable battery, will it use less of that portable batteries “juice” to charge than a new phone? | and if it’s using a portable battery, will it use less of that portable batteries “juice” to charge than a new phone? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fggy8d/eli5_does_an_older_phone_battery_less_capacity/ | {
"a_id": [
"fk4hbqt"
],
"score": [
2
],
"text": [
"Speed of charge, and total capacity can be very unrelated traits of a battery.\n\nWith advances in technology, not only are newer batteries capable of holding more electrical charge in the same physical form factor, but they also are capable of d... | [] | [] | [
[]
] | |
6ma8vu | why do our bodies produce phlegm when we run/exert ourselves? how did making it harder to breathe help our ancestors? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6ma8vu/eli5_why_do_our_bodies_produce_phlegm_when_we/ | {
"a_id": [
"dk028xv"
],
"score": [
3
],
"text": [
"Well, remember that we aren't so much 'producing' phlegm as we are expelling unwanted things from our body through the medium of phlegm.\n\nVomiting, for example, isn't intrinsically useful or pleasant, but it's a mechanism to remove harmful thin... | [] | [] | [
[]
] | ||
2rutiy | when a mosquito bites me, does it take enough blood for the night or does it come back for seconds? | This is kind of showerthought-sy but I've been wondering all day.. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2rutiy/eli5_when_a_mosquito_bites_me_does_it_take_enough/ | {
"a_id": [
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"text": [
"Females bite to get blood, somehow it's needec for them to lay eggs. So they'll bite once only in their lives. Males won't bite you at all.",
"Only females bite, and they bit until they're abdomen is full. From (Mosquit... | [] | [] | [
[],
[
"http://www.mosquitoworld.net/mosquitofaqs.php"
]
] | |
1pc8rn | How did the typical rock arrive in my backyard? | When digging in the yard for various reasons (gardening, setting fence posts, burying bodies etc.) you will come across rocks of various sizes... most of which I notice vary in size up to the size of my fist or so. What processes put a rock the size of my fist or larger in a sea of mostly dirt and small rocks? Lets ex... | askscience | http://www.reddit.com/r/askscience/comments/1pc8rn/how_did_the_typical_rock_arrive_in_my_backyard/ | {
"a_id": [
"cd14kt3"
],
"score": [
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"text": [
"Where do you live? The answer to that question will shape the specifics to your backyard. For example in my home state of Michigan most of our geology is related to the movement of glaciers. When the glaciers encroached downwards they blulldozed... | [] | [] | [
[]
] | |
72espf | why did america put a term limit in place after such a successful president | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/72espf/eli5_why_did_america_put_a_term_limit_in_place/ | {
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"text": [
"Well it's important to realize that the 2 term limit had been enshrined in the American Consciousness since George Washington, so the fact that FDR broke that centuries old prece... | [] | [] | [
[],
[],
[],
[]
] | ||
9wzqcy | why do governments subsidise fossil fuel companies when they are so rich? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9wzqcy/eli5_why_do_governments_subsidise_fossil_fuel/ | {
"a_id": [
"e9oddh6",
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"score": [
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7,
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],
"text": [
"Because lobbying. The companies pay people lots of money to convince politicians that it's in their best interests to give taxpayer money to petrochemical companies.",
"A big part of the reason is ... | [] | [] | [
[],
[],
[]
] | ||
1zj0dx | how does a car jack work? | I had to change my first tyre the other day, and I was amazed when I pulled this little clunky piece of metal to jack the whole car. Yet with no real pressure or strength, I turned and turned and turned and here this little piece of metal began to lift the back end of the car off the ground
How does it do it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1zj0dx/eli5_how_does_a_car_jack_work/ | {
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8,
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"text": [
"A regular car jack just uses a lever and a hydrolic actuator to lift the car. The force required to lift the car is less when you use a lever. Give me a fulcr... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/Worm_drive"
],
[],
[]
] | |
36q7ct | how do airlines get my bag to my destination? | I flew from Philly to L.A. today, and while making a connection in Dallas, I realized that everyone on the plane needs their checked baggage to get to another place in the airport within 20-40 minutes (either another plane or the baggage claim). How do airlines do this with (what seems like) a high amount of accuracy ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/36q7ct/eli5_how_do_airlines_get_my_bag_to_my_destination/ | {
"a_id": [
"crg4fyg"
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"score": [
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"text": [
"Inside a modern airport is a massive network of conveyor belts that take the luggage from the check in counter to the area where the baggage handlers are.\n\nAs the baggage travels down the belt, pneumatic pushers or gates redirect the bags into ... | [] | [] | [
[
"https://www.youtube.com/watch?v=Wn8qogHH9bM"
]
] | |
4rc6xl | how does wifi and cell service get slow when too many people are visiting my town of 1500 people? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4rc6xl/eli5_how_does_wifi_and_cell_service_get_slow_when/ | {
"a_id": [
"d4zuytm",
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"text": [
"Simple, more people but same bandwidth. If a cell tower is fed 500Mbps and there usually are 500 people connected, each get 1Mbps if used simultaneously; if there are now 1000 people connected, each gets 0.5Mbps is used simu... | [] | [] | [
[],
[]
] | ||
16p5q9 | why charging someone more money for insurance based on age isn't considered discrimination. | I understand companies do studies to gauge what age groups are more likely to have a car accident and their insurance for their car is priced correspondingly. I just don't understand how this is legal. If a study came out that said white people were more accident prone than other races and companies started pricing ins... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/16p5q9/eli5_why_charging_someone_more_money_for/ | {
"a_id": [
"c7y1hmg",
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"score": [
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9
],
"text": [
"It is considered discrimination. We just don't have laws against all kinds of age discrimination, because we as a society have concluded that it's not that bad.",
"*Why not base the pricing off of driving history alone?*... | [] | [] | [
[],
[]
] | |
7kbxsx | how do two brown haired people create a blonde baby? | My baby came out super blonde, which was shocking as both my husband and I are brunettes, all our parents and siblings are brunettes, and our first kiddo is a brunette. The only non dark haired person in my descendants was a grandmother who had light brown hair. Yes, I'm the mom, and yes, my husband is the daddy. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7kbxsx/eli5_how_do_two_brown_haired_people_create_a/ | {
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"drdbj67"
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"score": [
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28,
3,
13
],
"text": [
"The genetics of hair color haven't fully been teased out yet, but it seems that the genes for blonde hair are recessive compared to the genes for brown hair. So if both genes are... | [] | [] | [
[],
[],
[],
[]
] | |
3ddh7f | do cats and dogs 'like' their owners, or is it simply an intrinsic sense of security that draws them to their human companions? | Title | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3ddh7f/eli5_do_cats_and_dogs_like_their_owners_or_is_it/ | {
"a_id": [
"ct44wzj",
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"score": [
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"text": [
"I read somewhere that domestic pets have had the attachment to humans bred into them over 1000's of years.",
"Animals are capable of showing signs of emotion, and if you pay attention you can see so... | [] | [] | [
[],
[],
[]
] | |
2gc9ul | How important is Earth's distance from the sun, for human survival? | I've heard people say things like "If Earth was just a bit closer/further from the Sun, we would freeze/burn!" How true is this? Is there any way of calculating the parameters of proximity to the sun for our survival?
Bonus question: If the answer is yes, then can we use this information to aid in our search for other... | askscience | http://www.reddit.com/r/askscience/comments/2gc9ul/how_important_is_earths_distance_from_the_sun_for/ | {
"a_id": [
"ckhoxuf",
"ckhp88u",
"ckhpim7"
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"score": [
6,
3,
8
],
"text": [
"The Earth's distance to the sun is greatly important for our survival. The level of precision that people ascribe to the bounds is greatly exaggerated.\n\nThe Earth needs to be far enough away from the ... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Kepler_(spacecraft\\)",
"http://upload.wikimedia.org/wikipedia/commons/7/7b/Estimated_extent_of_the_Solar_Systems_habitable_zone.png",
"http://en.wikipedia.org/wiki/Circumstellar_habitable_zone"
],
[
"http://en.wikipedia.org/wiki/Circumstellar_habitable_zone... | |
232bd4 | whats that thing i see when my eyes are closed, while i press the top of my eyes side to side? | Not sure if anyone else sees this. So when you close your eyes, and "scratch" the top of your eyes, side to side, you can see a figure on the bottom. Something like this: _URL_0_ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/232bd4/eli5_whats_that_thing_i_see_when_my_eyes_are/ | {
"a_id": [
"cgsra15"
],
"score": [
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"text": [
"I've never heard of what you described; most people see random patters of colors kind of like looking through a kaleidoscope....It's called an \"entoptic phenomenon,\" meaning that it originates from the eyeball. When you apply pressure to the e... | [] | [
"http://imgur.com/OcROzbB"
] | [
[]
] | |
25abwv | What is the oldest, continuous land border in the world? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/25abwv/what_is_the_oldest_continuous_land_border_in_the/ | {
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],
"text": [
"Do you want one that has been fixed in place for the longest time?\n\nIf so, the Swedish-Norwegian border (which remained even when the countries were in a U... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
4f9n8i | how do statistical websites count enormous numbers such as the birth and death count, or the population of the earth, or even money spent on illegal drugs? | Stats like the ones on this website:
_URL_0_ | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4f9n8i/eli5how_do_statistical_websites_count_enormous/ | {
"a_id": [
"d2711gz"
],
"score": [
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"text": [
"These are estimates based off some formula. Lots of governments and organizations collect vast amounts of demographic data and publish it freely, all you need to do is a look at a few numbers for whatever you are interested in, devise a formula,... | [] | [
"http://www.worldometers.info/"
] | [
[]
] | |
2p4qy9 | how can bill clinton almost get impeached for lying to congress, yet hayden and other intelligence agency officials do so regularly and nothing happens? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2p4qy9/eli5how_can_bill_clinton_almost_get_impeached_for/ | {
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"cmtcw0n",
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"score": [
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29,
227,
21,
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"text": [
"Clinton did get impeached. He just didn't get removed from office. The House impeach... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[]
] | ||
3erqaf | how do you really know sites like duckduckgo aren't stealing your info and selling it? | They claim not to be pulling a Google on you, but how can you actually tell they're living up to their word? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3erqaf/eli5_how_do_you_really_know_sites_like_duckduckgo/ | {
"a_id": [
"cthrypv"
],
"score": [
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],
"text": [
"You can always see what data websites are asking for from your browser (in most browsers you can press F12 and go to the \"network\" tab). If you do that for [DuckDuckGo](_URL_0_) and compare it to [Google](_URL_1_) you can see that Google stores... | [] | [] | [
[
"http://i.imgur.com/Q3lVVeP.png",
"http://i.imgur.com/SAv6dKo.png"
]
] | |
1sx5pt | why aren't planets or the moon declared property of a country? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1sx5pt/eli5why_arent_planets_or_the_moon_declared/ | {
"a_id": [
"ce23lsl",
"ce2443q"
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"score": [
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2
],
"text": [
"International treaties barring the claiming of any body outside of the Earth by countries.\n\nPlus you can declare as much as you want it doesn't make it so.",
"In addition to existing treaties, the most important part o... | [] | [] | [
[],
[]
] | ||
2yraaa | who were the first to harness the power of advertising? who figured out that concept? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2yraaa/eli5_who_were_the_first_to_harness_the_power_of/ | {
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"score": [
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"text": [
"It would have happened a few seconds after bartering happened. I have a thing I am willing to give to someone for another thing, so I say, \"I have a thing I am willing to give to ... | [] | [] | [
[],
[],
[],
[]
] | ||
14vjc8 | Why do young children cry at bedtime? | This isn't a parenting question. Is there a scientific explanation for why toddlers and young kids cry when they are put to bed? Anything evolutionary? Do any other young animals cry before going to sleep?
I thought about this question because my wife just put to be a 17 month old foster child and he immediately st... | askscience | http://www.reddit.com/r/askscience/comments/14vjc8/why_do_young_children_cry_at_bedtime/ | {
"a_id": [
"c7gw3yn",
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"score": [
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],
"text": [
"Not all toddlers and young kids cry when they are put to bed. It could be a prevailing perception but that doesn't make it definitive. \n\nThere are lots of possible reasons: fatigue, frustration, fear, etc. ",
"Remembe... | [] | [] | [
[],
[]
] | |
89ub1g | - how do so many sportstars, actors, etc. that make millions of dollars end up in debts? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/89ub1g/eli5_how_do_so_many_sportstars_actors_etc_that/ | {
"a_id": [
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3,
2,
2
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"text": [
"Because they, like many others in our society, spend more than they make. Yes, they make a lot. They also spend > a lot.",
"They spend faster than they ... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
d60idd | could memory loss make you "forget" you have depression, or any other mental illness? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/d60idd/eli5_could_memory_loss_make_you_forget_you_have/ | {
"a_id": [
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"score": [
13,
2,
2
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"text": [
"A treatment for severe depression is electro-convulsive therapy (ECT), where you run an electrical voltage through the brain. This causes memory loss. It's the most effective treatment for depression w... | [] | [] | [
[],
[],
[]
] | |
29vwj6 | Why did the germans choose Verdun in WW1 as one of their main targets ? | Additional Questions:
- could somebody give me a quick summary about the entire battle?
- why was the battle for verdun such a significant event in WW1?
im asking all this because I got a WW1 themed evening comeing up and I want to be able to contribute to at least 1 Subject :D | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/29vwj6/why_did_the_germans_choose_verdun_in_ww1_as_one/ | {
"a_id": [
"cip230z"
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"text": [
"At a basic level, Verdun was intended to bleed France's armies. Falkenhayn, the commanding German officer, hoped to capture a number of French positions, forcing the French to counter attack to retake them, leaving them open to bombardment from G... | [] | [] | [
[]
] | |
1u8d1e | Why haven't the great muslim empires been able to regain their former glory? | European countries and far-eastern empires (China, Japan, maybe South Korea) Have had ups and downs throughout their history, but nowadays many of the countries that were once great kingdoms or empires are back to their former glory. However, none (at least that I know of) of the classic middle-easter or african muslim... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1u8d1e/why_havent_the_great_muslim_empires_been_able_to/ | {
"a_id": [
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"score": [
276,
207,
25,
10,
4,
17,
2
],
"text": [
"Not to pick on you specifically, but there have been a lot of this sort of a question recently. \n\nThis is... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Post_hoc_ergo_propter_hoc"
],
[],
[],
[
"http://en.wikipedia.org/wiki/Berlin_Conference",
"http://en.wikipedia.org/wiki/Decolonization",
"http://econfaculty.gmu.edu/wew/articles/97/africas-tragedy.html",
"http://en.wikipedia.org/wiki/Neocolonialism",
"... | |
2w7ysi | During heavy exertion, such as lifting, why do we close our airways? | Does it provide support, or something else? | askscience | http://www.reddit.com/r/askscience/comments/2w7ysi/during_heavy_exertion_such_as_lifting_why_do_we/ | {
"a_id": [
"copfdze"
],
"score": [
2
],
"text": [
"I can offer a little bit of information on this, but not the complete picture. We don't really need to breathe when we lift or go through quick, heavy exertions. Weightlifting is almost purely an anaerobic exercise (my physio syllabus actually sa... | [] | [] | [
[]
] | |
2b011u | In theory, could it be possible for there to be a genetic mutation that stops genetic mutations? | A mutation that causes the cells that are replicating DNA to be perfect, thus removing all random mutations? | askscience | http://www.reddit.com/r/askscience/comments/2b011u/in_theory_could_it_be_possible_for_there_to_be_a/ | {
"a_id": [
"cj0hiji",
"cj0vbq8"
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"score": [
9,
3
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"text": [
"It is possible to get mutations in the DNA polymerase or any of the many proteins involved in DNA repair that would decrease the mutation rate. In fact many of the commercial DNA polymerases used in [PCR] (_URL_0_) are engin... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Polymerase_chain_reaction"
],
[
"http://mbe.oxfordjournals.org/content/23/2/450/F3.large.jpg",
"http://blogs.sciencemag.org/origins/WindowsLiveWriter/bc47e94c78c7_9B1A/mutation-v-genome_3.jpg"
]
] | |
tpcrq | Are there any examples of cross breeding animal species with very similar genomes ie those with recent evolutionary divergence? | For example: Humans and chimpanzees share about 98% of their DNA, but chips have 24 chromosomes and humans have 23 (but chromosome 2 is likely two chromosomes that fused together during the course of our evolutionary divergence). Are their any known cases of two species with genomes that are analogous to humans and ch... | askscience | http://www.reddit.com/r/askscience/comments/tpcrq/are_there_any_examples_of_cross_breeding_animal/ | {
"a_id": [
"c4oke4g",
"c4okr3h"
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"score": [
3,
2
],
"text": [
"Male Donkey + Female Horse = [Mule](_URL_1_)\n\nMale Horse + Female Donkey = [Hinny](_URL_2_)\n\nMale Lion + Female Tiger = [Liger](_URL_3_)\n\nMale Tiger + Female Lion = [Tiglon](_URL_0_)\n\nThere may be others.\n\nI am una... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Tiglon",
"http://en.wikipedia.org/wiki/Mule",
"http://en.wikipedia.org/wiki/Hinny",
"http://en.wikipedia.org/wiki/Liger"
],
[
"http://en.wikipedia.org/wiki/Ring_species"
]
] | |
12ij8n | Medieval Europe experts, how do you feel about Terry Jones' series "Medieval Lives?" | After very much enjoying the series a few years ago, I've been considering rewatching the episodes. If there's one fundamental premise, it's that much of what we think about Medieval times is far too dismissive of the cultures' richness and sophistication.
Do experts in this area endorse or agree with the show's clai... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/12ij8n/medieval_europe_experts_how_do_you_feel_about/ | {
"a_id": [
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6,
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"text": [
"Personally I can't give an opinion, but my medieval Prof (who's a genius, if a little insane) quite likes them, only thing he's consid... | [] | [
"http://www.youtube.com/playlist?list=ELGXxQQqRaQHA&feature=plcp"
] | [
[],
[],
[],
[],
[],
[]
] | |
7gamwl | why is some food "aged" and still edible while others are rotten and tossed out? | Basically the title, why do we age some foods (some cheeses, wine, some meats) and it's still edible or even delicious, but other foods are thrown out when they hit two days old? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7gamwl/eli5why_is_some_food_aged_and_still_edible_while/ | {
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51,
9,
5,
12,
2,
2
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"text": [
"Rotten food is an uncontrolled explosion of microorganism activity, which is almost always going to produce toxins or at least make th... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Casu_marzu"
],
[],
[],
[],
[
"https://www.reddit.com/r/Paleo/comments/2bjsxx/my_experience_with_fermented_high_meat/"
]
] | |
o16r1 | what exactly causes paranoia? | Why do we fixate over irrational things and what makes the body react the way it does when we do fixate... (ie. loss of sleep/appetite/concentration)
Maybe if I knew what caused it, I could learn to switch off.
EDIT - Before this goes all weed-based on my ass, that wasn't all I was going for. I meant paranoia in gen... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/o16r1/eli5_what_exactly_causes_paranoia/ | {
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"c3dodom"
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"score": [
5,
12,
11,
2
],
"text": [
"Why exactly are you suddenly so interested in this? What have you heard?",
"Paranoia and Panic Attacks are reactions to stress or unbalanced brain chemistry. \nEssentially y... | [] | [] | [
[],
[],
[],
[]
] | |
2rkrr8 | why is there an android vs ios "feud" among consumers. | I understand why at a corporate level this dispute would exist, they are competing for sales.
However the internet seems to have a never ending squabble not only over which product is better, but how stupid, uncultured, and treasonous you are if you don't have the *correct* device.
[This video's comment section is a ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2rkrr8/eli5_why_is_there_an_android_vs_ios_feud_among/ | {
"a_id": [
"cngrvpo"
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"score": [
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"text": [
"The same reason there's a feud between XBox & Playstation gamers or people that drive Fords and Chevrolets or Team Edward claims superiority over Team Jacob in the Twilight fandom.\n\nPeople are tribal & insecure. They want to be convinced ... | [] | [
"https://www.youtube.com/watch?v=RVCeZYGrk6s"
] | [
[]
] | |
39t0m4 | In 1600, would a 'citizen' of the Holy Roman Empire identity themselves as such? Would they even know they were one? Or was their view much more local? | I hope it's clear what I'm asking. I know the HRE wasn't a country like France and England were. So I'm just trying to understand how that would play out to a person living there. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/39t0m4/in_1600_would_a_citizen_of_the_holy_roman_empire/ | {
"a_id": [
"cs68508"
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"score": [
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"text": [
"Citizenship in 1600 Germany was awarded by the Cities which derived [city rights from the Kaiser](_URL_0_) or the lord of the land (bishop, prince etc).\n\nEach new citizen had to make a Bürgereid, a Citizen's Oath, and repeat it every the \"swe... | [] | [] | [
[
"https://upload.wikimedia.org/wikipedia/commons/6/61/Stadtrechtsurkunde_Flensburgs_von_1284_%28The_Town_Charter_of_Flensburg%29.JPG"
]
] | |
431x6u | How do we know that the Earth's atmosphere used to contain more oxygen than nitrogen in the past? | askscience | https://www.reddit.com/r/askscience/comments/431x6u/how_do_we_know_that_the_earths_atmosphere_used_to/ | {
"a_id": [
"czevaw2",
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"score": [
2,
11
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"text": [
"Gaseous chemicals react with the earths surface, and in time gets burried in dust, sand, ect. When we then millions of years later dig through the soil, we can analyze its chemical composition and figure things like atmosph... | [] | [] | [
[],
[
"https://upload.wikimedia.org/wikipedia/commons/thumb/0/03/Oxygenation-atm-2.svg/1000px-Oxygenation-atm-2.svg.png",
"https://en.wikipedia.org/wiki/Snowball_Earth",
"https://en.wikipedia.org/wiki/Banded_iron_formation",
"http://rstb.royalsocietypublishing.org/content/royptb/361/1470/903.full.... | ||
k2ist | Why are women less likely to become scientists? | Just about every scientist you ever hear about is a man. Are women generally less technically competent or is it the prevalence of men that somehow discourages women from pursuing a scientific career? | askscience | http://www.reddit.com/r/askscience/comments/k2ist/why_are_women_less_likely_to_become_scientists/ | {
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"score": [
38,
2,
3,
10,
2,
6,
6,
38,
2,
3,
10... | [] | [] | [
[],
[],
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"http://sites.nationalacademies.org/PGA/cwsem/PGA_049131"
],
[],
[
"http://www.reddit.com/r/askscience/comments/ink4l/why_arent_there_more_women_in_science/"
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[],
[],
[],
[],
[
"http://sites.nationalacademies.org/PGA/cwsem/PGA_049131"
],
[],
[
"http://www.redd... | |
173ia0 | how do slow songs like lullabies induce sleep? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/173ia0/how_do_slow_songs_like_lullabies_induce_sleep/ | {
"a_id": [
"c81zcoz"
],
"score": [
2
],
"text": [
"Music promotes overall arousal or relaxation in listeners, with heart rate being only one factor among many that music influences. When a music listener's brain registers the tempo of a song, his brain sends signals to the body that cause breathi... | [] | [] | [
[
"http://www.ehow.com/about_6553059_music-affect-heart-rate_.html#ixzz2ImLA03qi",
"eHow.com"
]
] | ||
254sj7 | who owned ancient artifacts before they were in museums, assuming most museums were built in the 20th century? | -If you've visited the MET in NYC you've seen the Egyptian section. I'm having trouble wrapping my head around Egypt ever willingly selling tombs. How was a price set? Did archaeologists essentially claim it and steal it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/254sj7/eli5_who_owned_ancient_artifacts_before_they_were/ | {
"a_id": [
"chdode2",
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"score": [
6,
2,
4,
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],
"text": [
"You should pose this question to /r/archeology as the folks in that subreddit are very helpful and friendly.\n\n",
"I believe that would be governments.",
"Collectors and p... | [] | [] | [
[],
[],
[],
[]
] | |
17vede | Are organisms that use non-XY sex determination systems "male" and "female" in the same sense as mammals? | For example, birds and reptiles have sex chromosomes Z and W, with males being ZZ and females being ZW. Ants and bees are female when diploid and male when haploid. Is male and female just determined by who deposits the sperm and who lays the eggs? Is a ZW bird really some other sex that happens to have analogous biolo... | askscience | http://www.reddit.com/r/askscience/comments/17vede/are_organisms_that_use_nonxy_sex_determination/ | {
"a_id": [
"c897ivt"
],
"score": [
12
],
"text": [
"We use the female designation to tell which animal has the ova and which ones don't. Usually this is how we go about it regardless of the chromosome structure. ZZ birds are designated as male since they do not have ovaries. Likewise, XX humans... | [] | [] | [
[]
] | |
2f0uq0 | why do countries import and export the same product, like crude oil, or chicken? | This has always confounded me. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2f0uq0/eli5_why_do_countries_import_and_export_the_same/ | {
"a_id": [
"ck4t50t",
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"score": [
5,
2,
2
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"text": [
"Different types of chicken, different flavours of crude plus individual companies with different trade agreements with other companies and countries",
"China will give us $100 a barrel for our crud... | [] | [] | [
[],
[],
[
"http://www.beeradvocate.com/beer/profile/313/1545/",
"http://online.wsj.com/articles/u-s-ruling-would-allow-first-shipments-of-unrefined-oil-overseas-1403644494",
"http://beefmagazine.com/cowcalfweekly/0611-why-does-us-import-export-beef",
"http://www.forbes.com/sites/timworstall/2014... | |
g3n98x | in the world of trading stocks, what is margin buying power? | Is there margin buying power only when the investor already owns securities? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/g3n98x/eli5_in_the_world_of_trading_stocks_what_is/ | {
"a_id": [
"fnsaubx",
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"score": [
5,
2
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"text": [
"Buying on margin is essentially taking out a loan to buy securities, using your already owned securities as collateral.\n\nSay you own a bunch of stocks worth $100,000. Your broker might lend you up to $70,000 to buy other ... | [] | [] | [
[],
[
"https://www.investopedia.com/terms/m/marginable.asp",
"https://www.investopedia.com/terms/b/buying-on-margin.asp"
]
] |
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