q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
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ld40y | If a nerve in your body is severed, can it grow back
together? | I really don't want medical advice or anything, something just got me thinking recently... can a severed nerve repair itself? I really know very little about the nervous system of the body, but if someone were to cut their arm bad enough that it slices through a nerve and perhaps makes their hand partly numb, obviously... | askscience | http://www.reddit.com/r/askscience/comments/ld40y/if_a_nerve_in_your_body_is_severed_can_it_grow/ | {
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"To a degree, it can. I have had several operations on my leg (involving breaks, muscle damage, etc) and I have a large lack of feeling... | [] | [] | [
[],
[],
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3dz1x7 | Did John the Baptist have a philosophy and how did it differ from contemporary mainstream Judaism? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3dz1x7/did_john_the_baptist_have_a_philosophy_and_how/ | {
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"He was most likely influenced at least to some degree by the Essene sect. These were Jews who were dissatisfied or disenfranchised by the Sanhedrin in Jerusalem. Mainstream Judaism would have been the theology of the sanhedrin. Johns theology wou... | [] | [] | [
[]
] | ||
6qtgop | if chihuahuas descended from wolves, would it be possible to reverse breed back to wolf? assuming you're starting with only chihuahuas and their new offspring? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6qtgop/eli5_if_chihuahuas_descended_from_wolves_would_it/ | {
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"Unfortunately, this is not possible.\n\nReason: Certain traits from wolves were not seen as desirable so they were not selected for. Thus they were eventually removed from the gene pool of breeding adults.\n\nAs time goes on and the pups get furt... | [] | [] | [
[]
] | ||
1cve2p | When did playgrounds first appear? | When did the idea of swing sets and jungle gyms (or whatever they had at the time) in a special area for little ones come into being? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1cve2p/when_did_playgrounds_first_appear/ | {
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"In landscape architecture circles, the Children's Playground in Golden Gate Park is widely referenced as the United States' first 'playground'. Built in 1888. ",
"I found [t... | [] | [] | [
[],
[
"http://www.nycgovparks.org/about/history/playgrounds"
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"http://books.google.de/books?ei=FN4tUfziEcmhtAbq54DIBw&hl=de&id=nTQdAQAAMAAJ&dq=%22Bernhard+Christoph+Faust%22+spielplatz&q=++spielpl%C3%A4tze#search_anchor",
"http://de.wikipedia.org/wiki/Spielplatz",
"B.Ch"
... | |
6d6n1s | how do personnel on submarines connect to the internet? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6d6n1s/eli5_how_do_personnel_on_submarines_connect_to/ | {
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"text": [
"they wait till the sub comes to the surface or periscope depth and all the remaining data is transmitted. When submerged there is no internet access. You do without."
]
} | [] | [] | [
[]
] | ||
3a6dqa | Why does squinting make my vision clearer? | askscience | http://www.reddit.com/r/askscience/comments/3a6dqa/why_does_squinting_make_my_vision_clearer/ | {
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"text": [
"First of all, realize that this only works for people who have vision problems due to incorrect focusing of t... | [] | [] | [
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"http://products.pbhs.com/_procedural-ophthalmology/point-of-focus.jpg",
"http://damienfournierdotco.files.wordpress.com/2013/12/dof_aperture_7guitars.jpg"
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[],
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"http://i.imgur.com/eByascr.png"
],
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"https://www.youtube.com/w... | ||
8cuac7 | How do other baryons behave inside atomic nuclei? | Neutrons decay in free space, but are apparently stable inside some atomic nuclei. In other nuclei protons decay. Are there theories or experiments describing how the stability of other baryons are affected?
I've found quite a few interesting papers on hypernuclei which I am working through, but very little more easi... | askscience | https://www.reddit.com/r/askscience/comments/8cuac7/how_do_other_baryons_behave_inside_atomic_nuclei/ | {
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"text": [
" > I've found quite a few interesting papers on hypernuclei which I am working through, but very little more easily digested material.\n\nYes, this is what you're looking for. It's a relatively young area of research, and ob... | [] | [] | [
[],
[]
] | |
21pq9a | how come digital videos take up less memory than the sum of their individual frames. | I did some quick estimations- about 130kb for a 1920x1080 resolution image. So an hour long 1080p video should have the size of about 130kb * 24fps * 60sec * 60min= 10gb but its not. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/21pq9a/eli5_how_come_digital_videos_take_up_less_memory/ | {
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"Videos aren't stored as a series of images. It's closer to being stored as a series of **changes** in frames. Since most pixels on most frames are the same as the previous one, this saves an enormous amount of space. It ... | [] | [] | [
[],
[]
] | |
a9kkl1 | channel 3/4 and vcrs | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a9kkl1/eli5_channel_34_and_vcrs/ | {
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"text": [
"Most older TVs didn't have video signal inputs like today. To send something to the TV, it had to be a modulated RF signal, just like an over-the-air broadcast.\n\nDue to channel frequency spacing, most cities could only ha... | [] | [] | [
[],
[]
] | ||
7pmqjl | Is it possible to create heavier hydrogen isotopes? | I know we have three hydrogen isotopes: regular hydrogen, deuterium and tritium. Is it possible to add another neutron to tritium and create even heavier isotope? Or is there some limit how many neutrons can one proton bind? Maybe this next isotope exists but is too unstable and decays almost instantly, and that's why ... | askscience | https://www.reddit.com/r/askscience/comments/7pmqjl/is_it_possible_to_create_heavier_hydrogen_isotopes/ | {
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"text": [
"The hydrogen isotopes all the way up to hydrogen-7 have been studied. You never hear about the unbound ones (4, 5, 6, and 7) because they're only really relevant to some niche areas of nuclear physics. They decay on timescales of 10^(-22) second... | [] | [] | [
[]
] | |
15wx0j | Which had a more significant effect on human history and society - Tea/coffee or alcohol? | While it's true that alcohol has been around much longer, new-kid-on-the-block caffeine-bearing beverages have made huge inroads. Also the trade necessary for wide dissemination of coffee/tea surely had significant cultural/social impacts.
A friend posed this question earlier and I couldn't help but think that it was... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/15wx0j/which_had_a_more_significant_effect_on_human/ | {
"a_id": [
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"text": [
"Very brief answer:\n\nIf we're talking about these things as *commodities* rather than *substances*, by far coffee and tea.\n\nHere's why. Starting in the mid seventeenth century, trade in coffee, tea, and sugar EDIT: and t... | [] | [] | [
[],
[]
] | |
5dumwc | What is the significance of 232 degrees Celsius? | I often see it in aviation as the max normal operating cylinder head temperature consistent across different airplanes. I'm wondering why is this number so common. I think it has something to do with specific heat capacity of a certain metal but I could be wrong. Can anyone shed some light on this? | askscience | https://www.reddit.com/r/askscience/comments/5dumwc/what_is_the_significance_of_232_degrees_celsius/ | {
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"It may be due to the practical limitations of precipitation-har... | [] | [] | [
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"https://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/20030106070.pdf"
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"https://www.tc.gc.ca/eng/civilaviation/certification/continuing-advisory-2007-02-422.htm"
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3kfc2c | Why are there tight groupings of locations where meteorites were found? | [This map](_URL_0_) was recently posted to another sub.
It shows areas with a much higher density of meteorite finds, specifically Northern Chile, Northern Texas/Eastern New Mexico, Oman, South Western Australia, a few in North Africa and a line from the South Pole to the coast of Antarctica roughly 160°.
Is this due... | askscience | https://www.reddit.com/r/askscience/comments/3kfc2c/why_are_there_tight_groupings_of_locations_where/ | {
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"Many meteorites are found in areas of Antarctica because the glaciers act like a conveyor belt: meteorites fall there at the same rate as elsewhere on earth, but the glaciers move them all into the same areas (typically up against a mountain rang... | [] | [
"http://osm2.cartodb.com/tables/meteoritessize/embed_map?title=true&description=true&search=true&shareable=true&cartodb_logo=true"
] | [
[]
] | |
h1440 | Potato Batteries | So . . . I've been thinking about potato batteries, [for no particular reason](_URL_0_), and I was wondering a few things about them:
-The voltage produced seems to be on the order of 0.5 volts. I believe this is more a factor of using zinc and copper as the electrodes, but replacing the zinc with magnesium can incre... | askscience | http://www.reddit.com/r/askscience/comments/h1440/potato_batteries/ | {
"a_id": [
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"text": [
"Fact: Zinc is very poisonous.\n\nConjecture: I think the zinc ions end up in the potato electrolyte.\n\nEDIT: Zinc is an essential part of our diet, in very small quantities. ",
"It's unclear to me why one would not sim... | [] | [
"http://www.google.com/search?sourceid=chrome&ie=UTF-8&q=portal+2",
"http://www.huffingtonpost.com/2010/07/30/potato-battery-could-prov_n_665578.html"
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[],
[]
] | |
6qv8j9 | why do a lot of professional gymnasts look underdeveloped/childlike? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6qv8j9/eli5_why_do_a_lot_of_professional_gymnasts_look/ | {
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"text": [
"At least with the women, most of them are reaching the top levels at ages a lot younger than most professional athletes (teens). Training 35+ hours a week at a high level at a young age often slows or d... | [] | [] | [
[],
[],
[]
] | |
3n9344 | why are the wages for certain occupations so lopsided relative to the benefit a person in such an occupation provides society? | Lets take for example, an engineer who is employed in building some part of our necessary infrastructure vs say, someone working at a bank who doesn't really produce anything tangible but just deals in speculation. How did the wages end up this way? This can be applied to many job comparisons. I think we as a society h... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3n9344/eli5_why_are_the_wages_for_certain_occupations_so/ | {
"a_id": [
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"text": [
"Workforce supply and demand, multiplied by the ability for the person to make money for the company. \n\nThose speculators have to make money based on knowledge to stay employed. If they are successful at this, they make a ... | [] | [] | [
[],
[]
] | |
7a66gv | what method have we used to accurately measure the distance to far away objects, for example, the andromeda galaxy and how sure are we of our method's margin of error? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7a66gv/eli5_what_method_have_we_used_to_accurately/ | {
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"text": [
"[A standard candle is a class of astrophysical objects, such as supernovae or variable stars, which have known luminosity due to some characteristic quality possessed by the entire class of objects. Thus, if an extremely distant object can be ide... | [] | [] | [
[
"https://universe-review.ca/R02-07-candle.htm"
]
] | ||
2urvaz | How was the mass of the neutrino discovered and confirmed? | askscience | http://www.reddit.com/r/askscience/comments/2urvaz/how_was_the_mass_of_the_neutrino_discovered_and/ | {
"a_id": [
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"text": [
"There are three kinds of neutrinos (we call them 3 *flavors*). We now have clear evidence that there are neutrino oscillations -- that is, a neutrino of one flavor can turn into a neutrino of another flavor. This can only ... | [] | [] | [
[
"http://www.hep.anl.gov/ndk/hypertext/"
],
[
"http://en.wikipedia.org/wiki/KATRIN"
]
] | ||
2721pk | how does the pirate bay get away with all the copyright? | I've always wondered. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2721pk/eli5_how_does_the_pirate_bay_get_away_with_all/ | {
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"text": [
"They don't, at all. The people behind TPB are currently serving sentences and got fined millions.\n\nThe reason the site is still live is that someone else is hosting it and the f... | [] | [] | [
[],
[],
[],
[]
] | |
535fbq | why is it a crime to attempt suicide? doesn't punishing a depressed person make them even more depressed? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/535fbq/eli5_why_is_it_a_crime_to_attempt_suicide_doesnt/ | {
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"Wow, I didn't even know that there were places in the world where suicide was against the law until I googled it just now.\n\nAt the ... | [] | [] | [
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blia4j | riot games had a walkout today because of the company's stance on "forced arbitration". what is forced arbitration? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/blia4j/eli5_riot_games_had_a_walkout_today_because_of/ | {
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"text": [
"The idea is that instead of handling disputes between the company and employees with a lawsuit they would instead plead their case to... | [] | [] | [
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sz9p1 | What is the history of egalitarian thought? | Defined as "the doctrine of the equality of mankind and the desirability of political and economic and social equality."
Where and when did the idea of equality among men pop up? When were women thrown in? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/sz9p1/what_is_the_history_of_egalitarian_thought/ | {
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"text": [
"I can personally speak about Europe :)\n\nIn advance, I will note that I am focusing mostly on gender/sex here because that's what you asked, but one should also consider race, cla... | [] | [] | [
[
"http://www.reddit.com/r/AskHistorians/comments/skstx/what_is_the_most_interesting_discovery_new/c4ets3r"
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[],
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"http://en.wikipedia.org/wiki/Pericles%27_Funeral_Oration"
],
[
"http://libcom.org/files/EGALITARIAN%20SOCIETIES%20-%20James%20Woodburn.pdf"
]
] | |
14v137 | why is america so much more homicidal than most other industrialized nations? (like canada, the uk, germany, france, etc) | Couldn't find the original source I found this out from, but [here's] (_URL_0_) a Wikipedia article on the subject
Maybe the culprit is violent media, or guns. But, other countries have this as well. I know Canada is big on hunting culture. Why is the US so much worse? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/14v137/eli5_why_is_america_so_much_more_homicidal_than/ | {
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"There are numerous factors, and it could be any one of the following, or some combination of them, or some other factor I forgot to mention (not these are not my personal opinions, these are proposed factors. I am just listing them, I am not say... | [] | [
"http://en.wikipedia.org/wiki/Crime_in_the_United_States#Homicide"
] | [
[
"http://definitions.uslegal.com/p/prisonization/"
]
] | |
bi2sje | are mental health issues more prevalent in modern times or did people in the past just not get diagnosed? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bi2sje/eli5_are_mental_health_issues_more_prevalent_in/ | {
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"text": [
"There are arguments for both sides but we do have a lot more distractions and focuses than ever before in history. Anything you coul... | [] | [] | [
[],
[],
[],
[
"https://en.wikipedia.org/wiki/List_of_psychiatric_hospitals_in_India"
],
[],
[]
] | ||
e3lhpj | Do we know of any historical Native American martial arts? | Most Old World cultures practiced a plethora of grappling and striking oriented martial arts, do we know of any Native American martial arts similar to boxing, wrestling, etc? I imagine most native cultures practiced various styles of wrestling throughout their histories, do we have any surviving accounts regarding the... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/e3lhpj/do_we_know_of_any_historical_native_american/ | {
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"text": [
"In the Puget Sound, wrestling is mentioned in Puyallup-Nisqually by Marian Smith along with a brief account of a contest between a White strongman from a circus, and a Puyallup in which their techniques are vaguely contrasted.\n\nWrestlers weren'... | [] | [] | [
[]
] | |
10vq95 | If I donate blood consistently, and always at the safest time since the last donation, will my body increase its ability to produce blood to adapt to the environment? | askscience | http://www.reddit.com/r/askscience/comments/10vq95/if_i_donate_blood_consistently_and_always_at_the/ | {
"a_id": [
"c6h203r"
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"text": [
"Blood cell production is called [Erythropoiesis](_URL_0_) and is triggered by O2 levels in the kidneys. When you give blood your body signals for more to be made. As soon as it has made enough to get your O2 levels back up, the process slows back... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Erythropoiesis"
]
] | ||
4j5dzs | massive earthquake coming in the nw | I keep hearing about this, but media can be so sensational these days, it's hard to know if all the hype about this is real or not. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4j5dzs/eli5_massive_earthquake_coming_in_the_nw/ | {
"a_id": [
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"text": [
"There's a history of large earthquakes in the region that can be explained by tectonic plate movements. It's been so long since the last one (1700 CE) that, as time goes by, it becomes more likely that it will happen again. \n\nThe mechanism is c... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Cascadia_subduction_zone"
]
] | |
vs7q8 | Is it possible for the lens of a camera to capture a photo with more precision than perfect vision in a human eye? | If so, is "20/20" vision something that can be calculated in megapixels? Thanks! | askscience | http://www.reddit.com/r/askscience/comments/vs7q8/is_it_possible_for_the_lens_of_a_camera_to/ | {
"a_id": [
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"text": [
"Interesting article [here.](_URL_0_) \nThe main point is that maximum human visual acuity in the eye is a rather small area in the center of vision (the size of a coin held at an arm's distance away), as we move further away towards the peripher... | [] | [] | [
[
"http://www.cambridgeincolour.com/tutorials/cameras-vs-human-eye.htm"
]
] | |
6sy6ko | how does a human body never get short of sperms and cells needed for reproduction? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6sy6ko/eli5_how_does_a_human_body_never_get_short_of/ | {
"a_id": [
"dlggx0u"
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"score": [
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"text": [
"Well the human body does, in effect, get short on both as we get older. Rather the production slows down. Biologically, we are more likely to mate in younger years. So when we are younger, and of course we have came to mating age, our body ramps ... | [] | [] | [
[]
] | ||
2907fc | what makes pepsi max bad, if it contains no fats, sugars or salts? | Genuine question. I googled it and people were talking about artificial sweeteners and some other ingredient, but no one explained in layman's terms why it's bad for you. Thanks. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2907fc/eli5_what_makes_pepsi_max_bad_if_it_contains_no/ | {
"a_id": [
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"score": [
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20
],
"text": [
"Who says it's bad for you?",
"Even without sugar, Pepsi Max contains fairly significant amounts of phosphoric acid. While there's far too little of it for it to be actively poisonous, drinking any acidic liquid erodes t... | [] | [] | [
[],
[]
] | |
1ljb8p | Could photons be unstable? | I've been thinking a lot about about the speed of light and such. I know this could potentially be a meaningless question but I'm not from a hard physics back ground.
I understand photons move at the speed of causality and therefore in there reference frame time does not pass they are timeless.
Is it possible that ph... | askscience | http://www.reddit.com/r/askscience/comments/1ljb8p/could_photons_be_unstable/ | {
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"text": [
"Based on the experimental limit on the mass of the photon (about 10^-45 grams) and the fact that the cosmic microwave background spectrum looks thermal, **if** photons are unstable and can decay into the lightest neutrino, they must have a lifet... | [] | [] | [
[
"http://arxiv.org/pdf/1304.2821.pdf"
]
] | |
5ktkb5 | why are all of uber and lyft's commercials aimed at getting people to work for them instead of use their ride sharing apps? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ktkb5/eli5_why_are_all_of_uber_and_lyfts_commercials/ | {
"a_id": [
"dbqij66",
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"text": [
"Their app is only useful to customers if there are drivers ready to drive... if you download the app and install, and see nobody available to drive you, then you'll never try it ... | [] | [] | [
[],
[],
[],
[]
] | ||
y1vnt | hologram concerts. what's that about? | How do they work? What are they? I know nothing and I'm curious. Thanks! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/y1vnt/eli5_hologram_concerts_whats_that_about/ | {
"a_id": [
"c5rkdmb",
"c5rm3v9"
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"score": [
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3
],
"text": [
"A holographic projection is done to to create the illusion of a person being there when they are not (for example when they are dead)\n\n_URL_0_",
"I personally don't see the appeal of a hologram concert. It's pretty muc... | [] | [] | [
[
"http://i.imgur.com/hc5ln.jpg"
],
[]
] | |
mgu8c | Can someone explain why some atoms form metallic bonds? | Hi. I was wondering why some atoms form metallic bonds between each other and how it works on the atomic level. I have a basic understanding of electron orbitals and chemistry in general but what exactly is it that makes some atoms form metallic bonds between each other? | askscience | http://www.reddit.com/r/askscience/comments/mgu8c/can_someone_explain_why_some_atoms_form_metallic/ | {
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"score": [
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"text": [
"Metals have a \"sea\" of delocalised electrons because their conduction and valence bands are joined. /textbook definition. In other words, the HOMO and LUMO bands overlap. Closest... | [] | [] | [
[
"http://www.grin.com/object/external_document.280344/6e10687ee7995afeefc464fecfe9d981_LARGE.png"
],
[],
[
"http://www.grin.com/object/external_document.280344/6e10687ee7995afeefc464fecfe9d981_LARGE.png"
],
[]
] | |
x4hl1 | radioactive fallout | I understand how the nuclear weapons work, but what stays around for so long afterward detonation exactly? and why is it so harmful? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/x4hl1/eli5_radioactive_fallout/ | {
"a_id": [
"c5j440s"
],
"score": [
2
],
"text": [
"In addition to releasing enormous amounts of energy, a nuclear blast will spread radioactive elements from the bomb throughout the nearby area, and cause some local materials to become radioactive.\n\nSome of these radioactive elements will have ... | [] | [] | [
[]
] | |
4ape19 | could a mother and baby ever survive an ectopic pregnancy? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4ape19/eli5_could_a_mother_and_baby_ever_survive_an/ | {
"a_id": [
"d12cr13"
],
"score": [
2
],
"text": [
"Yes, it's possible. It's not common, but there have been cases. I think it depends largely on where the embryo attaches. Most ectopic pregnancies are in the fallopian tubes, which don't stretch and basically can't support a pregnancy. As the baby... | [] | [] | [
[]
] | ||
wawnu | Do people who are constipated absorb more nutrition from the food they eat because it spends more time in their digestive tract? | Whether that be calories or micronutrients.
| askscience | http://www.reddit.com/r/askscience/comments/wawnu/do_people_who_are_constipated_absorb_more/ | {
"a_id": [
"c5brwvl",
"c5bsbg2"
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"score": [
3,
2
],
"text": [
"Almost all of the nutrients in food have already been absorbed before it reaches the lower intestines/colon, etc. So no.",
"Constipation results from food sitting in the large intestine, the colon, for too long. Large ... | [] | [] | [
[],
[]
] | |
3rzxzc | Is there evidence that mankind has already polluted the deepest parts of the ocean? | askscience | https://www.reddit.com/r/askscience/comments/3rzxzc/is_there_evidence_that_mankind_has_already/ | {
"a_id": [
"cwty80p"
],
"score": [
2
],
"text": [
"Polluted in what way? Oceanic acidification has the potential to significantly change the chemical make-up of our oceans. And because our oceans act as a buffer for atmospheric CO2 levels, it will not only be our oceans that are affected. It's a ... | [] | [] | [
[]
] | ||
a9vj5g | anxious arousal | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a9vj5g/eli5_anxious_arousal/ | {
"a_id": [
"ecmv5l4"
],
"score": [
3
],
"text": [
"That is a psychological use of the term \"arousal\", not a sexual use of the term. In discussing mood, arousal is general physical and psychological activity, as contrasted with a depressed mood.\n\nTake the example of a person with fear of publ... | [] | [] | [
[]
] | ||
2mquwl | why do i see weird, brown, kaledescope-like shapes when i close my eyes and push on my eyelids? does everyone else see the same thing when they do this? also, does this cause any damage to one's vision? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2mquwl/eli5eli5_why_do_i_see_weird_brown_kaledescopelike/ | {
"a_id": [
"cm6r8ti",
"cm6vjm6"
],
"score": [
8,
2
],
"text": [
"The thing you're seeing is a phenomenon called 'Phosphene' - which is when you see light without light actually entering your eye. When you put pressure on your eyes, it stimulates the retina which causes the weird colour pa... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Phosphene"
],
[]
] | ||
455wz5 | how does taste work? why does a person a like spinach, but person b does not? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/455wz5/eli5_how_does_taste_work_why_does_a_person_a_like/ | {
"a_id": [
"czvfxnl"
],
"score": [
14
],
"text": [
"There could be a million reasons why someone doesn't like a food; maybe they ate it while feeling sick one time, and learned to associate the sickness with the taste. Perhaps they were made to eat something all the time as a kid so they're just ... | [] | [] | [
[
"http://news.psu.edu/story/159262/2011/04/01/research-shows-taste-perception-bitter-foods-depends-genetics",
"https://en.wikipedia.org/wiki/Synsepalum_dulcificum",
"https://en.wikipedia.org/wiki/Anosmia"
]
] | ||
j3r85 | nelson tv ratings - how do they work? | What I do know is pretty much anything other than watching it live doesn't count for a show's ratings (TiVo, Netflix, iTunes, Hulu, etc.) I don't really understand why, or how they get their numbers.
When I actually was 5, I thought there were men who's job it was to watch people through their TV sets and count how m... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/j3r85/eli5_nelson_tv_ratings_how_do_they_work/ | {
"a_id": [
"c28w0fo",
"c28wlds"
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"score": [
5,
6
],
"text": [
"You actually need what's called a Neilsen (not Nelson) box in order for it to track your watching habits, which only a small pool of TV watchers actually have. Additionally, during \"sweeps\" periods, which are generally whe... | [] | [] | [
[],
[]
] | |
1ysxaf | When the Soviet Union dissolved, did Russia try to claim more of the area near the Black Sea? | When the Soviet Union dissolved, did Russia try to claim more of the area near the Black Sea?
I noticed that most of this land went to Ukraine. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1ysxaf/when_the_soviet_union_dissolved_did_russia_try_to/ | {
"a_id": [
"cfnjb3f"
],
"score": [
10
],
"text": [
"Russia never made any official attempt to claim back any land from any of the Soviet Republics as or after they became independent, even in areas dominated by Russophones, such as Narva in Estonia, Transdniestr in Moldova, or Donetsk in the Ukra... | [] | [] | [
[]
] | |
2yhgbh | what is the piece of equipment that's always suspended from the crane at an inactive construction site (ie, during nighttime)? why does it have to be suspended? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2yhgbh/eli5_what_is_the_piece_of_equipment_thats_always/ | {
"a_id": [
"cp9j9jr",
"cp9n7y2"
],
"score": [
6,
2
],
"text": [
"Thinking this might be a portable generator or welding unit. Usually moved from a tow hitch, would be pretty easy to drive up pop the lock and drive off with it.",
"They suspend anything they think may be stolen. Ladders... | [] | [] | [
[],
[]
] | ||
1u0m62 | Freezing Water in a Cup | I have a freezer at home and it's roughly -10 degrees celsius or so (14F), and I had about half a cup full with a block of ice. I added water to the cup of ice and left the block of ice sitting in the cup as I added the water and put it back in the freezer. I came back about 5-10 minutes later and the cup had no ice an... | askscience | http://www.reddit.com/r/askscience/comments/1u0m62/freezing_water_in_a_cup/ | {
"a_id": [
"ceddgv8",
"ceddijt"
],
"score": [
11,
4
],
"text": [
"Water is a much better conductor. Much like how you can get hypothermia in warm water fairly quickly while in the same temperature of air you would fair much better. The water you added was above freezing. This conducted w... | [] | [] | [
[],
[]
] | |
4tr34u | the seemingly high inflated price of aud versus other currencies for goods and services. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4tr34u/eli5_the_seemingly_high_inflated_price_of_aud/ | {
"a_id": [
"d5jjzlb",
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"score": [
7,
23,
186,
30,
4,
13,
4
],
"text": [
"Higher minimum wage and that fact we are an island nation well far away from the rest of the comparably devel... | [] | [] | [
[],
[],
[],
[
"http://www.aph.gov.au/parliamentary_business/committees/house_of_representatives_committees?url=ic/itpricing/report.htm"
],
[],
[],
[]
] | ||
493f3h | what do the focal length numbers mean for camera lenses? | I do have a basic understanding of cameras, I know about aperture, exposure, etc. Basic stuff. And I understand that a lens with a higher number would have a more narrow field of view and such. But I don't actually understand what these numbers mean besides that, in a technical sense.
For example, Canon makes a 24mm a... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/493f3h/eli5_what_do_the_focal_length_numbers_mean_for/ | {
"a_id": [
"d0opxar",
"d0orb5i"
],
"score": [
2,
2
],
"text": [
"You've used a zoom lens before, yes? If you have, you would notice that the lens moves as you adjust the focal length; as shown in [this diagram](_URL_0_), the distance from the lens to the camera's sensor determines the foc... | [] | [] | [
[
"http://www.dptips-central.com/image-files/focal_length.gif"
],
[]
] | |
8td6vk | why under certain lights do my hands and feet look like they're moving in "slow motion"? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8td6vk/eli5_why_under_certain_lights_do_my_hands_and/ | {
"a_id": [
"e16knmw"
],
"score": [
3
],
"text": [
" Yer not alone in askin', and kind strangers have explained:\n\n1. [ELI5: Why does really fast flashing lights make you see slow motion ](_URL_0_) ^(_17 comments_)\n1. [ELI5: Why do strobe lights make the world seem like it's in slow motion? ](_U... | [] | [] | [
[
"https://www.reddit.com/r/explainlikeimfive/comments/8rchd6/eli5_why_does_really_fast_flashing_lights_make/",
"https://www.reddit.com/r/explainlikeimfive/comments/6f7ixo/eli5_why_do_strobe_lights_make_the_world_seem/",
"https://www.reddit.com/r/NoStupidQuestions/comments/8junx8/when_strobe_lights_flas... | |
28a71n | if i pirate something i've legitimately bought, and still have (somewhere), am i breaking the law? why or why not? | I have never gotten a straight answer on this. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/28a71n/eli5_if_i_pirate_something_ive_legitimately/ | {
"a_id": [
"ci8wst3",
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"ci9a0z5",
"ci9ah3c",
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"ci9c1e0",
"ci9cs9b",
"ci9d366",
"ci9dpnb",
"ci9ebvf",
"ci9ekzc",
"ci9elqi",
"c... | [] | [] | [
[],
[],
[],
[
"MP3.com"
],
[
"http://www.legislation.gov.uk/ukpga/1988/48/section/107",
"http://www.legislation.gov.uk/ukpga/1988/48/section/28A",
"http://www.reddit.com/r/explainlikeimfive/comments/28a71n/eli5_if_i_pirate_something_ive_legitimately/ci9bhv5"
],
[],
[],
[],
[
... | |
25qf5l | As Carbon Dioxide is odorless and tasteless, why then does mineral water taste bitter? | askscience | http://www.reddit.com/r/askscience/comments/25qf5l/as_carbon_dioxide_is_odorless_and_tasteless_why/ | {
"a_id": [
"chjqewn"
],
"score": [
16
],
"text": [
"When carbon dioxide is dissolved in water, it forms [carbonic acid](_URL_0_). The more carbon dioxide dissolved, the more carbonic acid forms (via what's called an equilibrium relationship). Our taste buds interpret acids as a sour flavor.\n\nTh... | [] | [] | [
[
"http://ion.chem.usu.edu/~sbialkow/Classes/3650/Carbonate/Carbonic%20Acid.html"
]
] | ||
3kxv3f | pros and cons of a single member llc. | Hi Reddit,
I'm considering opening a single member LLC for a TV & Film production company in NYC.
What is the purpose of an LLC as well as its Pros and Cons?
Thanks! | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3kxv3f/eli5pros_and_cons_of_a_single_member_llc/ | {
"a_id": [
"cv1gbhi"
],
"score": [
2
],
"text": [
"Lawyer here! The Limited Liability Company (LLC) has been the go-to entity for small businesses for the last couple of decades, and for good reason. It provides a lot of the same benefits as a corporation, while remaining very flexible and easy t... | [] | [] | [
[]
] | |
qfvbi | Are sesamoid bones present at birth? | Or are they cartilage. My friends and I also had this idea that they were fragmented parts of bone that came of other bones. Is there anything in this idea? | askscience | http://www.reddit.com/r/askscience/comments/qfvbi/are_sesamoid_bones_present_at_birth/ | {
"a_id": [
"c3xaq8k"
],
"score": [
3
],
"text": [
"Sesamoids develop independently within the tendons in areas of mechanical stress, meaning they are not fragments of other bones. They develop from cartilaginous nodules. I believe they ossify completely during childhood and thus are not present a... | [] | [] | [
[
"http://onlinelibrary.wiley.com/doi/10.1002/jor.1100180505/abstract",
"http://www.ncbi.nlm.nih.gov/pubmed/10597342"
]
] | |
3cp1w2 | what are the scientific reasons why consanguineous marriage causes disabilities, malformations and congenital anomalies in the offspring? | 'Cause I live down south and am planning on marrying my sister. Just kidding, but seriously, can somebody explain why? A mismatch/glitch when the chromosomes are mixed or something? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3cp1w2/eli5_what_are_the_scientific_reasons_why/ | {
"a_id": [
"csxl8od",
"csxm0fs"
],
"score": [
6,
2
],
"text": [
"They don't, always. The degree to which it happens is typically overstated. However, inbreeding tends to result in homozygosity. Basically, more people sharing the same copies of genes. Since you get them from your parents, ... | [] | [] | [
[],
[]
] | |
5yq4qf | Spain's Franco negotiated to join the Axis Powers on condition to take some British and French colonies and territory. Why didn't Hitler agree? | German support, equipment, planes and pilots were arguably critical to General Franco's Nationalist victory in the Spanish Civil War, yet the alliance dissolved prior to the start of WWII in Europe, with Spain sitting on the sidelines throughout.
Why didn't Spain enter an alliance with the Axis Powers, and why didn't ... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5yq4qf/spains_franco_negotiated_to_join_the_axis_powers/ | {
"a_id": [
"desogp2"
],
"score": [
2
],
"text": [
"Hitler wanted Franco to participate more, but Franco managed to decline in a polite fashion. When Hitler was winning, Franco started to make promises of military support and even contributed the \"Blue\" Division to fight on the Soviet front. H... | [] | [] | [
[]
] | |
2obn2p | bayesian method of logic? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2obn2p/eli5_bayesian_method_of_logic/ | {
"a_id": [
"cmllt46"
],
"score": [
2
],
"text": [
"Bayesian statistics basically says that you can't just look at outcomes in isolation, you have to look at so-called \"prior probability\" - how likely something is to happen at all. XKCD has a [silly example](_URL_0_). I'll modify the XKCD exampl... | [] | [] | [
[
"http://xkcd.com/1132/",
"http://en.wikipedia.org/wiki/Bayes%27_theorem"
]
] | ||
6r239f | how do they make the machines in factories? is there a factory for factory machines? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6r239f/eli5_how_do_they_make_the_machines_in_factories/ | {
"a_id": [
"dl1r3ji",
"dl1rrk1",
"dl1tf59"
],
"score": [
10,
2,
6
],
"text": [
"Yes, machines are made in factories that use metalworking machines, often called [*machine tools.*](_URL_0_) Sample tools they use (which you can google) include:\n\n- Metal lathe\n- Plasma cutter\n- P... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Machine_tool"
],
[],
[]
] | ||
47ixwn | What would the atmospheric composition have to be to scatter red light instead of blue? Green Light? Purple? | askscience | https://www.reddit.com/r/askscience/comments/47ixwn/what_would_the_atmospheric_composition_have_to_be/ | {
"a_id": [
"d0df6jz",
"d0dn1uu"
],
"score": [
3,
21
],
"text": [
"Scattering is wavelength dependent, so if you have any Rayleigh scattering it will be more pronounced for bluer wavelengths.\n\nThe best way to get around this would be to change the light source. If we had a star that out ... | [] | [] | [
[],
[]
] | ||
17t7wk | rally racing co-driver corner call outs and how to understand them | How do I understand what a rally co driver is saying when he is calling out "50, right 4. 60, left 2 tightens in to 20 left 1 over crest" etc. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/17t7wk/eli5_rally_racing_codriver_corner_call_outs_and/ | {
"a_id": [
"c88nnsr",
"c88nxfk"
],
"score": [
2,
3
],
"text": [
"Right 2 left 5 indicates corner direction and severity. The lower the number the slower a corner is. Right 5 usually indicates a kink in the road to be taken at full speed. 1 indicates a turn tighter than 90 degrees. \n\nI b... | [] | [] | [
[],
[]
] | |
5mbv01 | why are credit ratings agencies private for-profit institutions? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5mbv01/eli5_why_are_credit_ratings_agencies_private/ | {
"a_id": [
"dc2e3u3",
"dc2eqlq"
],
"score": [
3,
2
],
"text": [
"credit ratings aren't related to the government. it's a for-profit institution that benefits other for-profit institutions (lending banks). credit bureaus don't work for you the individual, they sell your rating to the b... | [] | [] | [
[],
[]
] | |
28cfy3 | How did the Soviet Union recruit spies within the Western Bloc? | Did they attempt to turn people in positions of power? Did they approach you, or did you approach them? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/28cfy3/how_did_the_soviet_union_recruit_spies_within_the/ | {
"a_id": [
"ci9ogz8",
"ci9qrau"
],
"score": [
3,
5
],
"text": [
"Believe it or not things were simple, I'd say there were 2 main channels to recruit people:\n\n- Walk-ins. As simple as that, people who would walk into an embassy, not necessarily the Soviet Union one, could be Bulgarian, P... | [] | [] | [
[
"http://www.amazon.co.uk/The-Sword-Shield-Mitrokhin-Archive/dp/147088934X"
],
[
"http://www.telegraph.co.uk/news/uknews/1522666/Vassall-Russians-lured-me-intohoney-trap.html",
"http://www.spymuseum.org/education-programs/spy-resources/background-briefings/the-cambridge-five/",
"http://www.nyti... | |
376ac2 | who decided that women must keep their breasts covered at all times in public, when men can walk around shirtless? | I understand that women's breasts are considered "private parts" but why? Who made this decision and said they must remain covered at all times? Men can walk around shirtless and no one bats an eyelash. Why is there such a huge difference between female breasts, which are essentially sacks of fat, and a mans chest? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/376ac2/eli5_who_decided_that_women_must_keep_their/ | {
"a_id": [
"crk1wvu",
"crk22e7",
"crk23bi"
],
"score": [
7,
2,
9
],
"text": [
"Because breasts are also sexual and erogenous zones, so it was a developed cultural thing with hiding facets of sex and sexuality ",
"While I generally agree with your premise that women's chests ar... | [] | [] | [
[],
[],
[]
] | |
55dzf6 | why does satellite radio work with small antennas that don't have to be pointed at anything, but satellite tv and other satellite communications require a large dish that needs direct line of sight to a satellite? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/55dzf6/eli5_why_does_satellite_radio_work_with_small/ | {
"a_id": [
"d89rduo"
],
"score": [
10
],
"text": [
"Consider the amount of information that is transferred in either case. Video signal requires orders of magnitude more bandwidth than mere audio, and then you still need to send the audio. Therefore, you have to use a larger, directional, high-ga... | [] | [] | [
[]
] | |
b0byz1 | Why is Texas pride so strong? | [deleted] | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/b0byz1/why_is_texas_pride_so_strong/ | {
"a_id": [
"eidj00f"
],
"score": [
5
],
"text": [
"There's always more than can be said, but I answered a [previous](_URL_0_) question related to differences between Northern and Southern states with regards to history education that speaks to some of what you're asking. I use Texas and New York ... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/aqdv0o/us_history_taught_in_high_school_in_the_south_vs/"
]
] | |
67oi0p | why do baking recipes always call for the oven to be set in 25°f increments? | I've never seen a recipe say something like "Preheat oven to 385°", I've always just seen 325°, 350°, 375°, etc...Any particular reason why we bake food at those benchmark temperatures? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/67oi0p/eli5_why_do_baking_recipes_always_call_for_the/ | {
"a_id": [
"dgry14v",
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"score": [
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5,
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"text": [
"Margin of error. Not all ovens are created equal. Also, on the great majority of consumer ovens, the knobs only mark down to differences of 25 degrees. So this way you just turn it to the mark and you'r... | [] | [] | [
[],
[],
[]
] | |
712ydc | what biological function does grief serve? it doesn't seem necessary for survival yet is a firm part of the human (and animal) condition. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/712ydc/eli5_what_biological_function_does_grief_serve_it/ | {
"a_id": [
"dn7okh2",
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"score": [
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"text": [
"Let's say grief wasn't a thing. You're some proto-human and your mate dies. Oh well, time to find a new mate.\n\nYou've removed a very strong motivator to keep your mate safe and cared for. As a result you've negatively imp... | [] | [] | [
[],
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] | ||
22hfh7 | What makes a heart attack more or less severe? | Why do people sometimes have heart attacks that kill them instantly but others just feel some chest pain? Does it have to do with how much of a blockage there is? Or what part of the heart is being blocked? | askscience | http://www.reddit.com/r/askscience/comments/22hfh7/what_makes_a_heart_attack_more_or_less_severe/ | {
"a_id": [
"cgmvg4o",
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"score": [
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3,
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],
"text": [
"First, to clarify some terms. Chest pain by itself does not necessarily signify a heart attack. We refer to chest pain related to the heart as 'angina', which further subdivides into 'stable angina' a... | [] | [] | [
[
"http://upload.wikimedia.org/wikipedia/commons/thumb/1/18/Coronary_arteries.svg/512px-Coronary_arteries.svg.png"
],
[],
[
"http://emedicine.medscape.com/article/155919-overview#aw2aab6b2b7aa",
"http://www.webmd.com/heart-disease/aspirin-for-heart-attack-and-unstable-angina"
]
] | |
66510f | why does body temperature rise after a meal? | For example after eating a lot of carbs. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/66510f/eli5_why_does_body_temperature_rise_after_a_meal/ | {
"a_id": [
"dgfn3nk"
],
"score": [
2
],
"text": [
"It is because your metabolic rate is increasing to digest the food. Think of it like an engine. When it's on, it is warm however when you give it gas (food) it revs up and the engine heats up. Same thing happens with the body. "
]
} | [] | [] | [
[]
] | |
3dqjdb | If the gas giants are so much colder than Earth, why are primarily composed of gasses, and not liquids or solids? | askscience | http://www.reddit.com/r/askscience/comments/3dqjdb/if_the_gas_giants_are_so_much_colder_than_earth/ | {
"a_id": [
"ct88l2p"
],
"score": [
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"text": [
" > If the gas giants are so much colder than Earth, why are primarily composed of gasses, and not liquids or solids? \n\nThey are in some sense, but not because of the cold. Like the other planets, the gas giants become hotter the deeper you go.... | [] | [] | [
[]
] | ||
8epvtj | What was the process of homosexuality moving from categorization as a mental illness to its normalization? | What led to its removal by the American Psychiatric Association from the DSM as a mental illness in 1987? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/8epvtj/what_was_the_process_of_homosexuality_moving_from/ | {
"a_id": [
"dxzst3l"
],
"score": [
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],
"text": [
"There’s definitely more to be said, especially on the social history of why LGBT advocates came to protest the DSM, but I (somewhat briefly) discuss the removal of homosexuality from the DSM in context of an answer on the rise to prominence of th... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/73hiqe/the_first_copy_of_the_dsm_was_published_in_1952/dnqkgrt/?st=JGGDNGPM&sh=ae0f7279"
]
] | |
9ka9c5 | what is modernism and other movements? | I always suffer when someone mentions any of them
Modernism, Post modernism, surrealism, romanticism, expressionism, neoclassicism, realism?
Can you please break them down to me? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9ka9c5/eli5_what_is_modernism_and_other_movements/ | {
"a_id": [
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"score": [
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"text": [
"I can answer most of the -isms that deal with architecture:\n\n**Modernism** with a capital 'M' is the idea that \"less is more\". This movement was a response to the first world war to answer the calamity that society suffe... | [] | [] | [
[],
[
"https://www.youtube.com/watch?v=IAtpxqajFak"
]
] | |
9ticvw | Could this be Atlantis? | I recently came across a guy on YouTube called Bright Insight, who claimed that the eye of the Sahara, otherwise known as the Richat structure, was the most plausible location for the list city of Atlantis. I want to know if his theory holds any water and why no has ever talked about this. He discusses this the... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/9ticvw/could_this_be_atlantis/ | {
"a_id": [
"e8wi9it"
],
"score": [
10
],
"text": [
"u/Iphikrates just posted an answer to a [similar question](_URL_0_)"
]
} | [] | [
"https://youtu.be/U5kEzxOb-3c"
] | [
[
"https://www.reddit.com/r/AskHistorians/comments/9eacwr/richat_structure_as_site_of_atlantis_can_any/"
]
] | |
ebvuz3 | How many non-German (Austrian) officers were in Habsburg (Imperial Austrian/Austro-Hungarian) armies and how hard would be for example to Croat, Czech, Pole etc... to advance and acquire high rank? | Usually when talk is about Habsburg army its always how rank and file soldiers were so multi-national and multi-lingual, but what about officers and especially high ranking generals?
I know German speaking aristocrats were preferred but i also read about General Svetozar Boroevic from WW1 (commander of A-H army on Ita... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/ebvuz3/how_many_nongerman_austrian_officers_were_in/ | {
"a_id": [
"fbaoox0"
],
"score": [
5
],
"text": [
"The Austro-Hungarian Army, the K.u.K (national combined army, not the second line national reserves) was technically ethnically blind in the officer corp. An officers service file contained no data on the soldier's ethic nationality. So on this... | [] | [] | [
[]
] | |
100jzk | Historians, what's the most bizarre aspect of the period and/or culture in which you specialize? | My friend concentrating on modern Japanese history had a lot to talk about, but even more WTF than tentacle rape was the myth about raccoons using their gargantuan balls to protect themselves from intruders. I've seen parts of the [anime](_URL_0_) based on that legend with my family as well. Good times. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/100jzk/historians_whats_the_most_bizarre_aspect_of_the/ | {
"a_id": [
"c69cwxb"
],
"score": [
14
],
"text": [
"The most bizarre aspect of the culture that I study is that very few people actually knew what happened in the past, and refuse to learn for fear of coming to the conclusion that they are wrong about many things. When I announced to my family th... | [] | [
"http://www.imdb.com/title/tt0110008/"
] | [
[]
] | |
119nyj | What was the casualty rate of the U.S. Army Air Corps during WWII in Europe? | I've gotten the impression that the casualty rate (POW/wounded/killed) for the men of the U.S. Army Air Corps was shockingly high but cannot seem to find an accurate statistic about it. I'm particularly interested in the European theater as two of my great uncles were shot down there. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/119nyj/what_was_the_casualty_rate_of_the_us_army_air/ | {
"a_id": [
"c6kyda4"
],
"score": [
2
],
"text": [
"I'm not sure about the entire Army Air Corps, but the Eighth Air Force definitely was hit the hardest.\n\n\n > These missions, however, carried a high price. Half of the U.S. Army Air Force's casualties in World War II were suffered by Eighth Ai... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Eighth_Air_Force"
]
] | |
28ap1q | when a big corp buys a company, does the company get a lump sum? and does the big corp get financing through a bank? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/28ap1q/eli5_when_a_big_corp_buys_a_company_does_the/ | {
"a_id": [
"ci92ju6",
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"score": [
2,
3
],
"text": [
"yes, the company gets a lump sum. the buying company may get a loan through a bank for cash. or pay all stock (buying company's stock), or cash/stock. ",
"It varies based on the terms of the deal. \n\n1. you can buy ... | [] | [] | [
[],
[]
] | ||
64ibzg | how related is high school algebra to knowing how to code and do web development? | A lot of math and physics major go into programming and I was never great at algebra. I thought of going back to review concepts like factoring, quadratic equations, and practice drawing parabolas. Would having a more solid understanding of algebra be helpful to prepare me for programming? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/64ibzg/eli5_how_related_is_high_school_algebra_to/ | {
"a_id": [
"dg2dedz",
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"score": [
6,
3
],
"text": [
"For coding, you need a very logical mind.\n\nFor high school algebra, you also need a very logical mind. For that reason, if you're good at one, there's a high chance you'll be good at the other, and vice versa.\n\nHowever, ... | [] | [] | [
[],
[]
] | |
1zrd5l | how are services like uber or lyft cheaper than a typical taxi service and more profitable for the driver? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1zrd5l/eli5how_are_services_like_uber_or_lyft_cheaper/ | {
"a_id": [
"cfw8rqm"
],
"score": [
4
],
"text": [
"Lack of regulation.\n\nTaxi driver have to be licensed by the local municipalities, who set caps and charge a whole lot (a NYC taxi medallion can auction for over $1 million).\n\nUber and Lyft drivers are technically limos, which aren't nearly as... | [] | [] | [
[]
] | ||
b1yrrb | how does self-confidence work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b1yrrb/eli5_how_does_selfconfidence_work/ | {
"a_id": [
"eip8eca"
],
"score": [
2
],
"text": [
"Knowing when you've done enough. There is a reason why they say you can deceive everyone else but not yourself. If you did enough you'll know. If you didn't, your reptile part of your brain will let you know. That fucker is never wrong. You can b... | [] | [] | [
[]
] | ||
efceyh | Before arriving in Scotland, where did the picts come from? | Before the picts arrived in Scotland, where did they originate from in mainland Europe? Surely they came from somewhere in mainland Europe??? Which modern day country? And any ideas on when they arrived (year approximate) in Scotland? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/efceyh/before_arriving_in_scotland_where_did_the_picts/ | {
"a_id": [
"fc02gg8"
],
"score": [
64
],
"text": [
"The short answer is simply; we don't know. Also, apologies for the following formatting, because I'm on mobile.\n\nThe Picts only really first show up towards late antiquity, when a confederation of Picts was formed, possibly in response to the ... | [] | [] | [
[]
] | |
1nokh2 | why hasn't aviation moved beyond jet technology yet? | Are there other technologies theoretically available? We went from gliders to jets in 50 years in the first half of the 20th century, yet from the 50's until now aviation broadly seems to have plateaued with jet/rocket based technology. Are there good reasons for this? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1nokh2/eli5_why_hasnt_aviation_moved_beyond_jet/ | {
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[],
[],
[],
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"http://www.eaa1311.org/newsletter_photos/091101_4_forces_new.jpg"
],
[],
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"http://www.aliendave.com/Article_04_UtahDonuntcontrail.html",
"https://en.wikipedia.org/wiki/Pulse_detonation_engine"
],
[],
[],
[]
] | |
gh4gb | What is the cosmic background radiation in lay-mans terms? | I sort of understand it but the articles on it I find online are a little too complicated for me. What is it in general broad terms and how did it come to be? | askscience | http://www.reddit.com/r/askscience/comments/gh4gb/what_is_the_cosmic_background_radiation_in/ | {
"a_id": [
"c1nh72v",
"c1nh87t",
"c1nh903"
],
"score": [
2,
2,
11
],
"text": [
"It's the latent heat in the universe. Anything that's hot emits radiation, and we detect that in the form of the CMB.",
"It is radiation left over from the big bang.\nThe theory was that if there w... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Cosmic_Background_Explorer"
],
[]
] | |
3l2jth | if eye contact is considered a challenge in the animal kingdom, why do we have to make eye contact with each other to be polite? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3l2jth/eli5if_eye_contact_is_considered_a_challenge_in/ | {
"a_id": [
"cv2lj9u"
],
"score": [
3
],
"text": [
"Eye contact is not universally a challenge in the animal kingdom, and for that matter it's not universally polite in human societies. We often use it as an important form of nonverbal communication, along with other gestures that are sometimes qu... | [] | [] | [
[]
] | ||
8ignfp | were famine and water scarcity always such huge problems in africa? how has it come to such conditions? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8ignfp/eli5_were_famine_and_water_scarcity_always_such/ | {
"a_id": [
"dyrl54a",
"dyrlt1g",
"dyrmsss"
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"score": [
2,
10,
3
],
"text": [
"In some regions yes and in others no, one early major civilisation Egypt had the Nile as its major water source and produced surplus food.",
"Not always. In some places, colonists brought non-nativ... | [] | [] | [
[],
[],
[]
] | ||
d9mo11 | how do tl;dr bots work? | There are bots, I believe on r/politics and r/news, that take articles and summarize them. How does the algorithm work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/d9mo11/eli5_how_do_tldr_bots_work/ | {
"a_id": [
"f1ki52p"
],
"score": [
6
],
"text": [
"There are [a bunch of ways this can work](_URL_0_), but I'm going to explain one of the simpler ones.\n\nYou know how Google originally got their great search results? They had a clever algorithm called PageRank that looked at which web pages lin... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Automatic_summarization"
]
] | |
4vkkme | the invasion of afghanistan and iraq | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4vkkme/eli5_the_invasion_of_afghanistan_and_iraq/ | {
"a_id": [
"d5z5o4w",
"d5z6dii"
],
"score": [
4,
3
],
"text": [
"Soviet comrades invade Afghanistan. \nWe invade to fight Soviets.\nAfghans are like wtf.jpeg\nTaliban fights Soviets too; funded by us.\nTaliban decide they don't like us there either.\nWe overstay our welcome.\nThen Bush di... | [] | [] | [
[],
[]
] | ||
5qplai | how do "sanctuary cities" benefit from hosting illegal immigrants? | Today Chicago recently said they'd remain a sanctuary city and recently Miami decided to stop that status. I'm trying to get a grasp on what exactly is the advantage of it and why a city would want to support it.
Thanks! | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5qplai/eli5_how_do_sanctuary_cities_benefit_from_hosting/ | {
"a_id": [
"dd11se3",
"dd12iec",
"dd18762"
],
"score": [
15,
5,
25
],
"text": [
"One reason is that some police departments believe that they can't enforce public safety as well if major segments of the population want nothing to do with police. This has been demonstrated in non-... | [] | [] | [
[],
[],
[]
] | |
9nycyd | why do boys and girls sound different? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9nycyd/eli5_why_do_boys_and_girls_sound_different/ | {
"a_id": [
"e7pxj1l",
"e7pxo6o"
],
"score": [
9,
2
],
"text": [
"Physiologically, boys and girls have different types of throats. Testosterone will cause the angle of your thyroid cartilage to become sharper, the cartilage thickens and enlargens and the vocal cords thicken as well. This g... | [] | [] | [
[],
[]
] | ||
3kkbzq | Why did Israel, India, Pakistan and S. Sudan never sign 'The Treaty on the Non-Proliferation of Nuclear Weapons'? | In lieu of the Iran-US uranium enrichment negotiations currently proceeding I'm curious why Israel did not support the Treaty on Non-Proliferation? I'm finding it fascinating current media-heads aren't mentioning this. Not trying to persuade anyone of anything, however. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3kkbzq/why_did_israel_india_pakistan_and_s_sudan_never/ | {
"a_id": [
"cuy4869"
],
"score": [
33
],
"text": [
"South Sudan came into existence as a country in 2011 and has had internal conflicts and civil war since then. Aside from being outside of our guidelines here, I don't think we can say very clearly whether they will or won't sign it at some point... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Symington_Amendment",
"http://disarmament.un.org/treaties/t/npt"
]
] | |
63sv2t | Why didn't Greece become a satellite state of the Soviet Union after World War II? | As the Soviet's began pushing back the Germans in World War II they eventually were able to take control of countries in Eastern Europe. These countries would eventually all become puppet states or part of the USSR. Why didn't Greece fall under Soviet control and how did it resist Socialism?
Surely the 'birthplace of D... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/63sv2t/why_didnt_greece_become_a_satellite_state_of_the/ | {
"a_id": [
"dfwwwba"
],
"score": [
18
],
"text": [
"The short version is that Greece did not become of the Soviet bloc because Stalin kept his agreements with the Western Allies.\n\nAccording to legend spread by Churchill, at the Moscow conference in 1944, he and Stalin divided up Europe by perce... | [] | [] | [
[
"https://upload.wikimedia.org/wikipedia/en/0/0e/Percentages_agreement2.jpg"
]
] | |
1r4qd7 | What were the political structures used by medieval Muslim states? Was any of them similar to European feudalism? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1r4qd7/what_were_the_political_structures_used_by/ | {
"a_id": [
"cdk72nn"
],
"score": [
5
],
"text": [
"I think it would be useful to briefly chart the development of Dar-al-Islam, or the Islamic states, as you say. \n\nTwo things to keep in mind: \n\n1) The Roman Empire and Sassanid Empire possessed highly developed political structures with centu... | [] | [] | [
[]
] | ||
1y7rd7 | could two planets orbit a star on the same plane, yet lay opposite of one another? would they stay at the same distance or eventually catch up and collide? | assuming they are of nearly the exact same mass and size. | askscience | http://www.reddit.com/r/askscience/comments/1y7rd7/could_two_planets_orbit_a_star_on_the_same_plane/ | {
"a_id": [
"cfi6mto",
"cfk1vbg"
],
"score": [
9,
2
],
"text": [
"It's a possible orbit (it would more or less be the [L3 point](_URL_0_)), but it's not stable against perturbations. So eventually one would catch up to the other, and they'd probably fling each other into different orbits.\... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Lagrangian_point"
],
[
"http://en.wikipedia.org/wiki/Lagrangian_point#L3"
]
] | |
1yqzc1 | why roman soldiers wore open toed footwear? | And also why samurais wore foot wrappings with exposed footwear. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1yqzc1/eli5_why_roman_soldiers_wore_open_toed_footwear/ | {
"a_id": [
"cfmz3rs",
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"cfn5dkc"
],
"score": [
7,
2,
2
],
"text": [
"Roman Caligae weren't really \"open toed,\" the toes were covered more or less. They'd also add socks for colder climates.\n\nOpen shoes keep the feet dry (boots hold moisture) during long marches so t... | [] | [] | [
[],
[],
[]
] | |
1l21n0 | how serious is our national debt (u.s.)? are other countries so far in the hole? is it even possible to get out of debt? who do we owe and why haven't they broken our kneecaps?! | I always hear about our looming national debt and how awful it is but how serious is it actually. It's a cartoonish number that is gaining a comical amount of interest every second. Do we intend to pay it back, if it is even possible?
_URL_0_ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1l21n0/eli5_how_serious_is_our_national_debt_us_are/ | {
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"cbv406p",
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"score": [
7,
11,
3,
29,
2,
25,
3
],
"text": [
"Well, household debt isn't the same as sovereign debt, and this issue get's a lot of people confused, for a bet... | [] | [
"http://www.usdebtclock.org/"
] | [
[
"http://np.reddit.com/r/explainlikeimfive/comments/191r72/why_is_the_us_in_so_much_debt/c8k0cki"
],
[
"http://www.theguardian.com/news/datablog/2010/may/27/debt-deficit-oecd-countries-data",
"http://en.wikipedia.org/wiki/History_of_the_United_States_public_debt#Historical_debt_levels"
],
[],
... | |
7o8pyr | why do colors disappear when you zoom in with a microscope? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7o8pyr/eli5why_do_colors_disappear_when_you_zoom_in_with/ | {
"a_id": [
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"ds8bpxa",
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"score": [
209,
2810,
5,
28,
2,
2
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"text": [
"Most colors do not disappear until ye reach the scale o' an atom or so. At that size (which no normal microscope can see), objects... | [] | [] | [
[
"https://www.reddit.com/r/explainlikeimfive/comments/7jxaat/eli5_at_what_scale_are_things_so_small_that_color/",
"https://www.reddit.com/r/explainlikeimfive/comments/3jokyv/eli5_why_dont_images_from_an_electron_microscope/",
"https://www.reddit.com/r/explainlikeimfive/comments/1mkhb7/eli5_why_is_there... | ||
7d984o | what is the easiest way to accrue credit with a credit card? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7d984o/eli5_what_is_the_easiest_way_to_accrue_credit/ | {
"a_id": [
"dpw0s3o",
"dpw0v6s"
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"score": [
2,
2
],
"text": [
"The successful way to build credit using a card is to use it for everything. I use my awards earning cards that have no annual fee to purchase everything. I utilize it to pay bills that do not charge a surcharge for using ... | [] | [] | [
[],
[]
] | ||
3f6d8q | united states primary canidates | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3f6d8q/eli5_united_states_primary_canidates/ | {
"a_id": [
"ctlp3ri"
],
"score": [
2
],
"text": [
"not a US citizen and have some very big political biases so don't know how valuable my word will be but whatever.\n\nI'll give you what I know about 2 big Democrat candidates that reddit don't shut up about.\n\nHilary Clinton you've hopefully hea... | [] | [] | [
[]
] | ||
1t9t8s | When did the conventional view in western culture of Germans as cold/severe/harsh people arise? | This crossed my mind while watching *The Colbert Report* yesterday. In it, Colbert interviewed the supposed German ambassador to the UN (not actually), who was presented as a stereotypical "German" ([you can see excerpts here](_URL_0_)). I would say this stereotypical German is cold, harsh, dour, curt, humourless, et... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1t9t8s/when_did_the_conventional_view_in_western_culture/ | {
"a_id": [
"ce5seuq",
"ce60oq5"
],
"score": [
3,
2
],
"text": [
"It did not arise until after Germany was united and seen as a power in Europe. [This comment](_URL_0_) by u/white_light-king in a thread comparing the rise of Germany to that of modern China discusses how Germans were portr... | [] | [
"http://imgur.com/gallery/72UXC"
] | [
[
"http://www.reddit.com/r/AskHistorians/comments/1st3wx/is_the_worlds_reaction_to_chinas_economic_and/ce13go7"
],
[
"http://www.reddit.com/r/AskHistorians/comments/1nx54n/prussian_discipline_is_a_term_that_comes_up_quite/",
"http://www.reddit.com/r/AskHistorians/comments/18w665/where_did_the_prussi... | |
8e3ix3 | why are there random super cold spots when you are swimming in a lake or river? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8e3ix3/eli5_why_are_there_random_super_cold_spots_when/ | {
"a_id": [
"dxs2u18",
"dxsd44m",
"dxsmyrc"
],
"score": [
31,
14,
4
],
"text": [
"Sometimes there are convection currents that keep water in one spot and bring water up from the bottom. Because the sun can only heat the top, those areas tend to be colder. If you feel the current in... | [] | [] | [
[],
[],
[]
] | ||
2ads9f | in ice hockey, why can't i just plug the goal with the fattest guy i can find. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ads9f/eli5_in_ice_hockey_why_cant_i_just_plug_the_goal/ | {
"a_id": [
"ciu1aiu",
"ciu1buo",
"ciu24g1"
],
"score": [
8,
4,
3
],
"text": [
"The pads are limited in size.\n\nA normal fat guy is much too slow to be a goalie and will get beat badly (as we all learned in high school). Typically the goalie is the fastest guy on the ice, you jus... | [] | [] | [
[],
[],
[
"https://www.youtube.com/watch?v=sP8ZVWiZUMA"
]
] | ||
6p7cig | how do those bank tokens work? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6p7cig/eli5_how_do_those_bank_tokens_work/ | {
"a_id": [
"dkn62wa"
],
"score": [
3
],
"text": [
"That's *Two Factor Authentication*.\n\nThe idea is that there's a *huge secret number* that both the bank and the token know **and** they both know they time. By doing some tricky math, the token can generate a smaller number that proves it know... | [] | [] | [
[]
] |
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