q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
value | subreddit stringclasses 3
values | url stringlengths 4 132 | answers dict | title_urls list | selftext_urls list | answers_urls list |
|---|---|---|---|---|---|---|---|---|---|
2otv95 | Do we have any evidence of extrasolar asteroid belts or comets? | Or, related, any reason to believe our sun's asteroid belt is either unusual or typical? | askscience | http://www.reddit.com/r/askscience/comments/2otv95/do_we_have_any_evidence_of_extrasolar_asteroid/ | {
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"We don't have the resolution yet to observe any of these directly. What has been seen are disks of debris around several stars, and the ALMA array just delivered a really spectacular example (_URL_0_). So there's every expectation that things lik... | [] | [] | [
[
"http://apod.nasa.gov/apod/ap141110.html"
]
] | |
zqywp | why would someone have a caymen or offshore bank account if they weren't doing something illegal or had something to hide? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/zqywp/eli5_why_would_someone_have_a_caymen_or_offshore/ | {
"a_id": [
"c66y6p0",
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"score": [
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2,
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"text": [
"Well they don't tax in the same way. Keeping money offshore isn't illegal, it's also extremely secure.",
"If you are trying to hide a sudden influx of money from the tax authorities, it is best to ... | [] | [] | [
[],
[],
[]
] | ||
1fqsqw | How did weapons/tools made from meteoric iron compare to those made from smelted ore? | Referring to the qualities of the tools themselves, not the production or availability of one vs the other. Specifically, its suitability for weapons. And if meteoric iron was ever superior, at what point would the technology to use smelted iron (or other metal) have surpassed it in quality? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1fqsqw/how_did_weaponstools_made_from_meteoric_iron/ | {
"a_id": [
"cacw92n"
],
"score": [
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"text": [
"You're asking historians about metal smithing ? ;P \n\nWho knows, maybe one will have a better answer. But here goes. Meteoric iron has most of the volatiles cooked out of it, and a very high amount of nickel in it. This is generally expensive to... | [] | [] | [
[
"http://cdn.intechopen.com/pdfs/28804/InTech-Study_of_advanced_materials_for_aircraft_jet_engines_using_quantitative_metallography.pdf",
"http://atar.com/joomla/index.php?option=com_content&view=article&id=68&Itemid=72"
]
] | |
7fxp66 | how can a member of the commonwealth be considered independent but still have a constitutional monarchy with queen elizabeth ii as the head of state? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7fxp66/eli5_how_can_a_member_of_the_commonwealth_be/ | {
"a_id": [
"dqf3pfc"
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"score": [
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"text": [
"You are thinking about this all the wrong way. She is not the “queen of the Commonwealth”. She is the queen of the United Kingdom. But she’s also the queen of Canada, which is a completely separate job. Then, she’s also the queen of Australia, ... | [] | [] | [
[]
] | ||
5cfiuh | how ice does this in the freezer sometimes | [This](_URL_0_) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5cfiuh/eli5_how_ice_does_this_in_the_freezer_sometimes/ | {
"a_id": [
"d9w1a5k"
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"score": [
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"text": [
"Water near top of cube freezes first. Lets say it all freezes except one small hole at the top, so you have a thin layer of ice with a hole in it floating on the top of the cube. As water continues to freeze under the surface, it expands out t... | [] | [
"http://imgur.com/lQrxDdn"
] | [
[
"http://www.physics.utoronto.ca/~smorris/edl/icespikes/icespikes.html"
]
] | |
15wenj | how much would educated medieval Europeans, have known about the history of the world before Christ? | I know they knew about people like Aristotle or mark Antony, but would the have the faintest idea who built the grate pyramid, or who Hammurabi was? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/15wenj/how_much_would_educated_medieval_europeans_have/ | {
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"score": [
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6,
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],
"text": [
"When it comes to medieval conceptions of history, a lot would have been founded on the Bible: the Creation was the starting point of many medieval chronicles, and they moved through the biblical patria... | [] | [] | [
[],
[],
[
"http://www.romanization.com/books/mandeville/chap07.html"
]
] | |
1w97a4 | information retention when asleep | I was wondering, when you're asleep, do you take in information at any level? Movie/documentary/podcast/music? Does being intoxicated when asleep make a difference to the intake of information? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1w97a4/information_retention_when_asleep/ | {
"a_id": [
"cezu99c",
"cezupll"
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"score": [
3,
2
],
"text": [
"Omelette du fromage?",
"Nice name.\n\nI think you do. Subconsciously, anyway. I don't think it's anything like what you see in the movies, though. I listen to self esteem and relaxation tapes when I go to sleep sometimes... | [] | [] | [
[],
[]
] | |
w9ure | Do flies and other seemingly hyper-fast insects perceive time differently than humans? | Does it boil down to the # of frames they see compared to humans or is it something else? I know if I were a fly my reflexes would fail me and I'd be flying into everything, but flies don't seem to have this issue. | askscience | http://www.reddit.com/r/askscience/comments/w9ure/do_flies_and_other_seemingly_hyperfast_insects/ | {
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"c5bi8im",
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113,
87,
6,
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9,
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... | [] | [] | [
[],
[
"http://www.sciencedaily.com/releases/2006/08/060825103730.htm"
],
[],
[
"http://eaglemanlab.net/time/essay-brain-time"
],
[
"http://www.npr.org/templates/story/story.php?storyId=94110463",
"http://phys.org/news139142949.html"
],
[
"http://nelson.beckman.illinois.edu/course... | |
20rkxj | Modern Languages, when did they appear? | Take English, how far back would I able to go and understand English, or say German with a modern ear? Were languages still regional up until the time of say, radio? If I went back to the time of Alfred the Great what language was the common tongue? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/20rkxj/modern_languages_when_did_they_appear/ | {
"a_id": [
"cg64lha"
],
"score": [
2
],
"text": [
"hi! there's room for examples of more languages, but you'll previous responses in the this section of the FAQ*\n\n[How far back could I go and still communicate?](_URL_0_)\n\n*see the link on the sidebar or the wiki tab"
]
} | [] | [] | [
[
"http://www.reddit.com/r/AskHistorians/wiki/language#wiki_how_far_back_could_i_go_and_still_communicate.3F"
]
] | |
1sdpdo | my glasses fog up when i drink hot coffee on a cold day, but why don't my eyeballs fog up when i take off my glasses? | I did a bit of reading on the fog posts, and it seems that no one has asked: could your eyeballs fog up? Seriously hot coffee is super hot compared to your body temperature so we got the whole temperature thing going for us, what about the fog?
I guess our eyes aren't dry to begin with, so are we looking through fog ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1sdpdo/eli5_my_glasses_fog_up_when_i_drink_hot_coffee_on/ | {
"a_id": [
"cdwj4is"
],
"score": [
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],
"text": [
"It's not just temperature difference that matters, the surface still needs to be fairly cold otherwise the water vapor won't condensate on the surface. I don't know what sort of temperature's you'd need though, so this may not actually make a dif... | [] | [] | [
[]
] | |
l5abz | why do we have the tendency to fall when you look down from height? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/l5abz/eli5_why_do_we_have_the_tendency_to_fall_when_you/ | {
"a_id": [
"c2pvvp9",
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"score": [
3,
3
],
"text": [
"Vertigo--you lose your balance.",
"Vertigo--you lose your balance."
]
} | [] | [] | [
[],
[]
] | ||
3g372z | i purchase controlling share (51%) of publicly traded company. what happens next? | I don't understand much of the process of what owning stock actually entails. I know companies probably take precaution from letting something like this happen, but what would happen if say, I bought 51% controlling interest in Wal-Mart.
Can I walk into stores and fire people? Can I get the police or some other gove... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3g372z/eli5_i_purchase_controlling_share_51_of_publicly/ | {
"a_id": [
"ctufdfl",
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"score": [
4,
4,
2
],
"text": [
"You get voting rights at annual shareholder meetings. Since you have more shares than anyone else combined, you win any votes. You have to follow the company bylaws though, so what you can do is limit... | [] | [] | [
[],
[],
[]
] | |
3ieaec | Was the rape of Germany in the wake of WWII the largest known case of mass rape/brutalization in human history? Have any such events as brutal as this occurred at the hands of an occupying army? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3ieaec/was_the_rape_of_germany_in_the_wake_of_wwii_the/ | {
"a_id": [
"cug1jf1"
],
"score": [
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],
"text": [
"One very brutal occupation of a city was the \"Rape of Nanking\". After Japanese captured the city in 1937 the Japanese Imperial Army spent weeks killing between 200,000 and 300,000 people and raping between 20,000-80,000 women. I do not know how... | [] | [] | [
[]
] | ||
142lu0 | How environmentally damaging is the production of a Hybrid car as opposed to a standard gas car? | I was thinking about the batteries and any other unique parts that Hybrid cars have that may be hard on the environment to produce. | askscience | http://www.reddit.com/r/askscience/comments/142lu0/how_environmentally_damaging_is_the_production_of/ | {
"a_id": [
"c79biev"
],
"score": [
2
],
"text": [
"According to the Argonne National Laboratory's GREET model, [they're about the same, for the most part](_URL_0_) (see page 73 for the graph detailing total energy use). There is one aspect according to the graphs where hybrids fare worse, and th... | [] | [] | [
[
"http://www.ipd.anl.gov/anlpubs/2006/12/58024.pdf"
]
] | |
1ji5dh | why would anyone want to buy berkshire hathaway's stock if they never pay dividends? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ji5dh/eli5_why_would_anyone_want_to_buy_berkshire/ | {
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"text": [
"Lots of stocks don't pay dividends. Dividends are more often considered a nice perk unless you can heavily invest in the stock to get a good amount coming back. \n\nThe reason you... | [] | [] | [
[],
[],
[],
[
"http://imgur.com/HudOy9z"
]
] | ||
2c2t6t | Since there's roughly 5 times as much dark matter as regular matter, why doesn't this mess up orbits or satellite trajectories? | I was watching a documentary on dark matter and the scientist said this mysterious substance was probably everywhere around us and we just can't see it. If he's correct, wouldn't that really mess up calculations of trajectories involving gravity? | askscience | http://www.reddit.com/r/askscience/comments/2c2t6t/since_theres_roughly_5_times_as_much_dark_matter/ | {
"a_id": [
"cjbko1p",
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],
"score": [
10,
2
],
"text": [
"The dark matter is very dilute, and so does not make an appreciable change in the gravitational influence of the Sun and planets on each other.\n\nYou can read a description [here](_URL_0_).",
"Because it doesn't intera... | [] | [] | [
[
"http://scienceblogs.com/startswithabang/2013/07/03/does-dark-matter-affect-the-motion-of-the-solar-system/"
],
[]
] | |
vpxez | Why don't I feel pain in my sleep? | Obviously, an acute traumatic pain will certainly wake someone up, but I'm curious why "milder" pain may be felt before falling asleep, and immediately upon waking but not during.
Presumably the cause of the pain (injury, cramping, headaches, etc) didn't pause, but does something change about sensation? signalling? i... | askscience | http://www.reddit.com/r/askscience/comments/vpxez/why_dont_i_feel_pain_in_my_sleep/ | {
"a_id": [
"c56nzno",
"c56o3rm",
"c56o92f"
],
"score": [
18,
190,
4
],
"text": [
"To put it simply, your brain releases chemicals that increase your pain threshold though [inhibition](_URL_0_)",
"\"Pain\" has two components: nocioception and conscious awareness. The prior occu... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Inhibitory_postsynaptic_potential"
],
[
"http://www.mendeley.com/research/animal-models-for-information-processing-during-sleep/",
"https://encrypted-tbn3.google.com/images?q=tbn:ANd9GcSpelgS7I2anOuF_JW14wlbnHDtBjIpYB6B8S4b16givnWRLn1H",
"http://www.theassc.org/fi... | |
10fzdi | Is there more to weight loss than eating less calories than you use? | Many people, even "experts", say that calorie restriction for fat loss is some kind of a myth. This makes absolutely no sense to me.
In my head, as long as you get the nutrients you need to stay healthy (eg. vitamins, some fatty acids, sufficient protein) it seems logical that you should be able to eat cheeseburgers a... | askscience | http://www.reddit.com/r/askscience/comments/10fzdi/is_there_more_to_weight_loss_than_eating_less/ | {
"a_id": [
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"score": [
16,
4,
3
],
"text": [
"The complexity comes in the fact that \"calories in\" and \"calories out\" aren't as simple as they sound. Not every person digests food exactly the same way, which lends some fuzziness to \"calories i... | [] | [] | [
[],
[],
[]
] | |
3890l4 | Taking a rubik's cube apart and re-assembeling in random order, what is the likelyhood that it would be could be solved? | The criteria for solvability:
1: Must have an even number of twisted corners.
1.5: Must have a 1:1 ratio of clockwise and anti-clockwise twisted corners.
2: Must have an even number of flipped edges.
3: Must have an even number of swapped edge and corner pairs.
EDIT: added rule 1.5. | askscience | http://www.reddit.com/r/askscience/comments/3890l4/taking_a_rubiks_cube_apart_and_reassembeling_in/ | {
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"score": [
13,
14,
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],
"text": [
"I had no idea what exactly your criteria meant so I took a google search. According to [this](_URL_0_), the solution to your question would be 1/12.",
"What you are doing is... | [] | [] | [
[
"http://ruwix.com/the-rubiks-cube/unsolvable-rubiks-cube-invalid-scramble/"
],
[
"http://en.wikipedia.org/wiki/Rubik%27s_Cube_group"
],
[],
[
"http://www.ryanheise.com/cube/cube_laws.html"
]
] | |
53ntaj | Is this true? Did Britain really replace India's education system and caused the decline of social values? | I came across this image online: _URL_0_
I'm not sure how authentic this is and whether Britain really did replace India's ancient education system. I have heard about India's ancient education system which taught people how to deal with their emotions, how to behave with people and a bunch of other life skills being ... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/53ntaj/is_this_true_did_britain_really_replace_indias/ | {
"a_id": [
"d7usow1",
"d7waprt"
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"score": [
291,
3
],
"text": [
"This image does not appear to be accurate. I went and tried to look up the Parliamentary record for February 1835 and it seems that [Parliament was in fact not in session on the 2nd February 1835](_URL_2_). On the FAQs for... | [] | [
"http://imgur.com/OxnPNtQ"
] | [
[
"http://www.columbia.edu/itc/mealac/pritchett/00generallinks/macaulay/txt_minute_education_1835.html",
"http://www.parliament.uk/business/publications/parliamentary-archives/archives-practical/archives-faqs/records-frequently-asked-questions/#jump-link-31",
"http://hansard.millbanksystems.com/sittings... | |
6dlkqq | why oled display, which are so successful on mobile and tv markets, is having a hard transition into laptop market? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6dlkqq/eli5_why_oled_display_which_are_so_successful_on/ | {
"a_id": [
"di3mi8i",
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"score": [
3,
2
],
"text": [
"You'll note that OLED televisions are *extremely* more expensive than non-OLED. \n\nThis isn't a big deal on tiny phone displays, but there's not a market for that kind of markup on laptops. ",
"Expense, but burn in is p... | [] | [] | [
[],
[
"http://i.imgur.com/hHnrgm0.jpg",
"http://i.imgur.com/OVZcyyN.jpg"
]
] | ||
8ivxp6 | why are keyboards arranged in a slanted grid instead of a standard grid? | why are they arranged [like this](_URL_0_) instead of a standard grid that crosses perpendicularly? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8ivxp6/eli5_why_are_keyboards_arranged_in_a_slanted_grid/ | {
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"dyuyzvk",
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"score": [
11,
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"text": [
"It helps typists have more of a range for each finger.\n\nContrary to popular belief, very few if any features were made directly to the keyboard to slow typists down.",
"So ... | [] | [
"https://imgur.com/PmFUCT6"
] | [
[],
[],
[
"https://imgur.com/eUbpQw7"
],
[
"https://imgur.com/SWt1PY7"
]
] | |
1m5k8c | Leon Trotsky. *Why* did he do what he did? | Trotsky came from a family that had been poor but had made **itself** richer through its own hard work. He was educated and wasn't disenfranchised too badly by the system until he was arrested for revolutionary activity.
Why did he feel disenchanted with the system in the first place? What were the influences on his re... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1m5k8c/leon_trotsky_why_did_he_do_what_he_did/ | {
"a_id": [
"cc60pt0",
"cc61ebp"
],
"score": [
6,
4
],
"text": [
"I'm not a historian or expert by any stretch of the imagination, but what I know about Trotsky's early life comes from his autobiography (available online [here](_URL_0_)) entitled \"My Life\". \n\nI'm going to copy-paste so... | [] | [] | [
[
"http://www.marxists.org/archive/trotsky/1930/mylife/index.htm",
"http://www.marxists.org/archive/trotsky/1930/mylife/ch06.htm"
],
[
"http://en.wikipedia.org/wiki/Jewish_Pale"
]
] | |
m9mkn | child porn and internet | Let's say I live in a state/country where the age of consent is 18. I watch pornography or a live feed (Skype or such) of a 16 year old where in their state the age of consent is 16. Could I get in trouble?
What if I swap it? My state/country is 16 and the other person is 16 years old but where they live the consen... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/m9mkn/child_porn_and_internet/ | {
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"c2z6tkw"
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"score": [
9,
3,
9,
3
],
"text": [
"Yes. In both situations. Federal law for pornography is 18 nationwide in the USA. Consent is to actually physically sleep with said person, which generally isn't possible across st... | [] | [] | [
[],
[],
[],
[]
] | |
3bnyqj | Does slavery/forced labor leave an archaeological footprint? | Lacking text sources is there anything we can point to as far as physical evidence that the people of a particular area and time utilized slave/corvée/other forms of forced labor? Say in Roman construction sites, the areas around ancient Chinese royal tombs, etc.? I can't think of anything except obvious stuff like sha... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3bnyqj/does_slaveryforced_labor_leave_an_archaeological/ | {
"a_id": [
"csoadwq"
],
"score": [
11
],
"text": [
"There is a very extensive literature on the archaeology of plantation slavery in the Americas, which generally leaves a considerable trace given the facilities required to house plantation slaves. \n\nBesides the facilities (and how slave housin... | [] | [] | [
[
"http://www.ekt.bme.hu/CM-BSC-MSC/WhoBuiltThePyramids.pdf",
"http://isites.harvard.edu/fs/docs/icb.topic535594.files/La%20Roche%20and%20Blakey%201997%20HA.pdf",
"http://www.nytimes.com/2010/02/26/arts/design/26burial.html?_r=0"
]
] | |
9w20vn | how did live tv broadcasts work before the invention of digital cameras? | When video cameras used to work via film, how did they transmit the footage in real time to far away places if the footage is captured on a physical film? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9w20vn/eli5_how_did_live_tv_broadcasts_work_before_the/ | {
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"score": [
16,
26,
2,
3
],
"text": [
"It's not film. The images where captured and sent electronically, in analogue, not digital. Much the same way a VHS tape works.",
"Old TV cameras used a specialized form of c... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Video_camera_tube"
],
[],
[]
] | |
s9t2r | Why does an anechoic chamber have such an adverse affect on people? | When [anechoic chambers](_URL_0_) are mentioned in the news there is always a statement about people only being able to spend up to ~40 minutes in there with various symptoms including disorientation, nausea and hallucinations - as mentioned in this [article](_URL_1_).
Why does this have such an adverse affect on peop... | askscience | http://www.reddit.com/r/askscience/comments/s9t2r/why_does_an_anechoic_chamber_have_such_an_adverse/ | {
"a_id": [
"c4c9j3c"
],
"score": [
5
],
"text": [
"It's a form of [sensory deprivation](_URL_0_) - you're missing all the background sounds you subconsciously process. With no input to process your brain doesn't turn off, rather it digs up memories & images and plays with them instead. [Nice vi... | [] | [
"http://en.wikipedia.org/wiki/Anechoic_chamber",
"http://www.geek.com/articles/geek-cetera/orfield-anechoic-chamber-the-quietest-place-on-earth-20120413/"
] | [
[
"https://secure.wikimedia.org/wikipedia/en/wiki/Sensory_deprivation",
"https://www.youtube.com/watch?v=5jKMziasAp0"
]
] | |
21jyw4 | how do hospitals in the u.s. expect their patients to pay their bills? why are the bills so outrageous? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/21jyw4/eli5_how_do_hospitals_in_the_us_expect_their/ | {
"a_id": [
"cgdrbk7",
"cgdrdju",
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"score": [
4,
11,
2,
2
],
"text": [
"They expect you to have either private or government insurance.",
"They expect you to have insurance (which you're required to have as of the end of this month).\n\nThey also ... | [] | [] | [
[],
[],
[],
[]
] | ||
1uu0zj | When did English language change from calling someone's age "Six and Twenty" to "Twenty Six"? | Also, how did this start? Arabic numerals write that as 26, is it a holdover from a previous language? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1uu0zj/when_did_english_language_change_from_calling/ | {
"a_id": [
"celrpsv"
],
"score": [
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"text": [
"I don't know as to when/how this change may have occured, but I do know that in German this is how numbers such as '26', '51', '36', etc. are phrased. IIRC '26' in German is 'sechundzwanzig' (sech-und-zwanzig) which in English is literally 'six-a... | [] | [] | [
[]
] | |
cewrj8 | we often see inter-species friendships in the wild, but it's always seems to be 2 animals. why aren't there entire groups hanging out together? | So, some examples are captured by wild-life photographers between a wolf and a bear as one example. But it begs the question if entire wildlife groups (multiple wolves and bears) with similar ranges have been spotted hanging out together to the point of playful interaction (as opposed to symbiotic relationship). | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cewrj8/eli5_we_often_see_interspecies_friendships_in_the/ | {
"a_id": [
"eu68kvk",
"eu6qm2p"
],
"score": [
8,
4
],
"text": [
"TL;DR: law of the jungle\n\nYou are talking about a Timon-Pumbaa-Simba kind of group, with 3 or more species involved? Starting from the begin, you would need 2 individuals A and B that finds each other to start with, that a... | [] | [] | [
[],
[
"https://www.csmonitor.com/Science/2016/0319/In-Israeli-desert-wolves-and-hyenas-cooperate-on-hunts"
]
] | |
mrmtb | If an object with mass (theoretically) attains infinite mass at light speed, how can a neutrino (theoretically) travel faster? | As we all know, the famous mess at CERN has shown some pretty confusing findings, seemingly breaking a rule of Einsteinian physics. What are some theoretical explanations for how a neutrino can do this? After all, a neutrino is near-massless and has no charge. Can it warp the space around it, similar to the concept of ... | askscience | http://www.reddit.com/r/askscience/comments/mrmtb/if_an_object_with_mass_theoretically_attains/ | {
"a_id": [
"c33ar6o",
"c33ar6o"
],
"score": [
5,
5
],
"text": [
"So the notion that an object gains mass as it travels faster is largely considered to be an outdated way of teaching the subject as it tends to lead to a lot of confusion. Specifically, while Newton defined momentum p=mv, re... | [] | [] | [
[],
[]
] | |
dxiso0 | why is it not safe to drink tap water when it's not clean, but perfectly okay to shower in it? | It seems very logical on the surface, because when you drink the water, it goes right into your body. But what about when showering? Or more specifically, what about when you're showering and washing your privates? I imagine it might be a little more dangerous for females than males? The one part of your body you're su... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dxiso0/eli5_why_is_it_not_safe_to_drink_tap_water_when/ | {
"a_id": [
"f7qwjho"
],
"score": [
6
],
"text": [
"Your skin is remarkably resilient and meant to protect you. Some things are too large to pass through your skin into your blood, but when you eat them they can pass through your intestines (their job is to absorb stuff so they’re good at it). Thi... | [] | [] | [
[]
] | |
2x73td | When starving or extremely hungry, does the human body do anything to make "bad" tasting food more tolerable? | By bad tasting food I mean things that people, in general, aren't too fond of such as spicy, sour, bitter, etc. | askscience | http://www.reddit.com/r/askscience/comments/2x73td/when_starving_or_extremely_hungry_does_the_human/ | {
"a_id": [
"coz62d6",
"cozpcrg"
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"score": [
3,
2
],
"text": [
"Absolutely. There are [stories](_URL_0_) of people lost at sea and they have described turtle blood as tasting like \"the elixir of life\" and getting cravings for fish eyes for the liquid and vitamins.",
"You crave the ... | [] | [] | [
[
"http://www.theguardian.com/world/2014/feb/04/castaway-jose-salvador-alvarenga-survival-expert"
],
[]
] | |
aqrd8b | is ice in the center of an ice cube different from the ice on the outside of an ice cube? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/aqrd8b/eli5_is_ice_in_the_center_of_an_ice_cube/ | {
"a_id": [
"egi91yk"
],
"score": [
7
],
"text": [
"Ice cubes don’t actually freeze the way you’re imagining. It’s not like an onion, where it freezes inward layer by layer. There’s a lot more flexibility in the freezing process as water and ice coexist and transform into one another. As the cente... | [] | [] | [
[]
] | ||
2jkwda | How does the human body handle getting new antibodies from vaccines? | I'm thinking of antibodies like cards in a deck building game like Dominion where the more antibodies you get from additional vaccines, the less effective they are because that specific antibody type makes up a smaller percent of your total. Is that a correct understanding? Could getting so many vaccines cause some (ol... | askscience | http://www.reddit.com/r/askscience/comments/2jkwda/how_does_the_human_body_handle_getting_new/ | {
"a_id": [
"clct025",
"clctgot"
],
"score": [
2,
3
],
"text": [
"I can't speak to how antibody production is regulated or whether there is feedback between the total antibody titer in the blood and the amount of any specific antibodies. The number of antibodies gained by even large number... | [] | [] | [
[],
[
"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1809480/"
]
] | |
3g737b | Do you recognize these people? | My grandfather gave me a bunch of his things before he died and [these](_URL_0_) photos were among them. I am searching for the time period and possibly the military unit that is represented in picture a. And the elegance of the black male in photo b with the gold ring and tie clip that were hand painted on is fascin... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3g737b/do_you_recognize_these_people/ | {
"a_id": [
"ctvj9nq"
],
"score": [
6
],
"text": [
"The \"military uniform\" appears to me to be a Knights Templar uniform of the Free and Accepted Masons. This would make it a fraternal uniform rather than a military one."
]
} | [] | [
"https://www.flickr.com/photos/106849576@N06/shares/n59ed0"
] | [
[]
] | |
5e1ab4 | what causes libido, and why does it vary so much between people? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5e1ab4/eli5_what_causes_libido_and_why_does_it_vary_so/ | {
"a_id": [
"da8yjs3",
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"da93nnm",
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"da96mod",
"da97q6o",
"da98kjv",
"da99s65",
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"da9bazg",
"da9d952",
"da9ejmx",
"da9g1nb",
"da9hd2w",
"da9i1yg",
"da9rfa5",
"d... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[
"https://en.wikipedia.org/wiki/Kegel_exercise"
],
[],
[],
[],
[],
[],
[
"https://www.youtube.com/watch?v=wSF82AwSDiU"
]
] | ||
3ubmz4 | If you visited a random star, how could you quickly determine if there are planets orbiting it? | Let's say you're a space tourist, zipping around the galaxy looking for interesting solar systems to visit. As you approach a star, what techniques could you use to ascertain whether there are planets orbiting it? As a space tourist with a short attention span, you're only going to spend a few hours studying the solar ... | askscience | https://www.reddit.com/r/askscience/comments/3ubmz4/if_you_visited_a_random_star_how_could_you/ | {
"a_id": [
"cxdp0xf",
"cxdrw2t",
"cxds3ge"
],
"score": [
9,
4,
6
],
"text": [
"With today's science, you would have to photograph the system, while filtering out the star.\n\nRepeat every few hours, comparing photographs.\n\nAnything that moved is likely a planet.\n\nAdd 200 years... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Astronomical_spectroscopy",
"https://en.wikipedia.org/wiki/Angular_diameter"
],
[]
] | |
1osx3k | What was the first animal recorded to go extinct? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1osx3k/what_was_the_first_animal_recorded_to_go_extinct/ | {
"a_id": [
"ccvhevp",
"ccvmslj",
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"score": [
10,
2,
3,
2
],
"text": [
"Do you mean from a written history point of view of a recorded point of view? \nAs an anthropology major I work with the \"oldest known subject\" of a species often. We have a l... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Timeline_of_extinctions"
],
[
"http://evolution.berkeley.edu/evosite/history/extinction.shtml"
],
[],
[
"http://scienceblogs.com/tetrapodzoology/2011/04/25/sumerian-sivathere-figurine/"
]
] | ||
2s6hzn | if i cannot fall asleep, but i'm laying in bed: comfortable and relaxed, is my body still getting a healthy amount of recharging time? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2s6hzn/eli5_if_i_cannot_fall_asleep_but_im_laying_in_bed/ | {
"a_id": [
"cnmlykh",
"cnmmhpw"
],
"score": [
3,
2
],
"text": [
"Your body does, your brain doesn't. After some nights you end up going crazy. It happened to me, it was pretty serious. ",
"No. Nearly all of your \"reacharging\" comes from the REM cycle of sleep. Obvioulsy, you need to... | [] | [] | [
[],
[]
] | ||
5i50dl | Are several copies of the same memory stored in the brain? | Is there just one single copy, or are there several. If so, are they all stored in the same hemisphere? | askscience | https://www.reddit.com/r/askscience/comments/5i50dl/are_several_copies_of_the_same_memory_stored_in/ | {
"a_id": [
"db5ojlp"
],
"score": [
15
],
"text": [
"Memories, contrary to popular belief, does not work like a video record. There are, in effect, no \"copies\" of memories at all.\n\nThe brain is a cluster of neurons, roughly 100-150 billion neurons, or that is the estimate (to put that into con... | [] | [] | [
[
"https://www.youtube.com/watch?v=91XQsJLfcJM"
]
] | |
1j9m8j | what is going on when we pop our backs? | What is going on structurally, and is there a difference between doing it yourself and having a chiropractor do it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1j9m8j/eli5_what_is_going_on_when_we_pop_our_backs/ | {
"a_id": [
"cbch9k4"
],
"score": [
2
],
"text": [
"Releasing built up pressure bubbles from strain or stress from joints in your back. Same thing thing when you pop (crack) your fingers."
]
} | [] | [] | [
[]
] | |
ux4a3 | What prevents bighorn sheep from constantly getting (fatal) concussions? And could we adapt this anatomy for improvement of football helmets? | I was watching NatGeo last night and they mentioned bighorn sheep slam head-to-head at about 20mph, which would instantly kill a human. And then I immediately thought of the the concussion controversy going on in the NFL (and other sports) and I wondered if why bighorn sheep were less susceptible to concussions (or ar... | askscience | http://www.reddit.com/r/askscience/comments/ux4a3/what_prevents_bighorn_sheep_from_constantly/ | {
"a_id": [
"c4zcck0"
],
"score": [
3
],
"text": [
"Bighorn sheep slam their horns together during mating season and they do not drop to the ground. They have unique adaptations that allow them to slam or bang their horns together and not drop dead. Concussions in humans are caused by events that ... | [] | [] | [
[]
] | |
20wkag | eli 5: why do cells all look 2d under the microscope , how or when can you see a 3d cell? | I was wondering about this, through the microscope you see a 2D cell while in some books they have a 3D diagram of the cell , how do they achieve this? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/20wkag/eli_5_why_do_cells_all_look_2d_under_the/ | {
"a_id": [
"cg7ef68",
"cg7io1w",
"cg7irb8"
],
"score": [
13,
4,
2
],
"text": [
"Try Confocal laser scanning microscopy.",
"To add on to the previous comments, when you look through a simple light microscope the dept of field of what you are seeing is very narrow so it looks li... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Stereo_microscope",
"http://en.wikipedia.org/wiki/Phase_contrast_microscopy",
"http://en.wikipedia.org/wiki/Confocal_microscopy"
],
[]
] | |
737oh5 | When did English supplant Latin as the language of science and mathematics? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/737oh5/when_did_english_supplant_latin_as_the_language/ | {
"a_id": [
"dnoq1rv",
"dnp4zft"
],
"score": [
6,
3
],
"text": [
"For those who might answer, do you mean in England, or the world as a whole?",
"English didn't replace Latin in fields such as chemistry. German and French replace Latin and English replaced German. although well into th... | [] | [] | [
[],
[]
] | ||
36b3lh | does everyone hear their own accent and just consider it normal, or is there a universal set sound for people hearing those who sound the same? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/36b3lh/eli5_does_everyone_hear_their_own_accent_and_just/ | {
"a_id": [
"crcdgca"
],
"score": [
2
],
"text": [
"Accents are all about perspective. Anyone who speaks a certain way that is from their point of view \"normal\" and \"default.\" You too have an accent but just consider it normal yourself."
]
} | [] | [] | [
[]
] | ||
1kq756 | I am an Englishman. Its the middle of WW1. What is a job I can have, and maintain, that doesn't earn me public scorn for not enlisting? | Were any jobs viewed as esential to maintain or were all men looked down on for staying in the country I.e given white feathers | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1kq756/i_am_an_englishman_its_the_middle_of_ww1_what_is/ | {
"a_id": [
"cbri7d9"
],
"score": [
38
],
"text": [
"Mining, agriculture, ship building - industry didn't stop for war, although the introduction of [women into British industry](_URL_1_) did allow for more men to go and fight. Coal mining was grossly inefficient at this point (still done only wit... | [] | [] | [
[
"http://www.iwm.org.uk/history/war-industry-during-the-first-world-war#",
"http://www.bbc.co.uk/history/british/britain_wwone/women_employment_01.shtml"
]
] | |
7wolff | how the brain combines the information it receives from both of our eyes to form a single "instance" of the world? how it knows which information is seen from single/both eye/s and it combines it to see every thing only once? | Hi, I was just wondering that while we have 2 eyes, what we see is just a single "screenshot-instance" of the world that COMBINES what we see from both of our eyes and we don't see things twice as someone may expected.
I come from some computer science background and from my point of view, putting it simple our eyes a... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7wolff/eli5how_the_brain_combines_the_information_it/ | {
"a_id": [
"du21ias"
],
"score": [
2
],
"text": [
"It’s probably a too complex and still not a fully understood concept of neurosensorics. \n\nFor one, the brain does not “remove” any duplicate images, these are effectively used for spatial perception. \n\nAlso, some of the neurons in the optic ... | [] | [] | [
[]
] | |
33z67x | what does it mean when hawks and eagles have better eyesight than us? does it mean they can literally zoom in on creatures on the ground, or do they just see things in a higher resolution? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/33z67x/eli5what_does_it_mean_when_hawks_and_eagles_have/ | {
"a_id": [
"cqpqfas",
"cqpqr7a",
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"cqqjb55"
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"score": [
59,
8,
16,
2
],
"text": [
"They can see more detail- they have the equivalent of 20/2 vision, they can see clearly at 20 feet away what a normal human needs to be at 2 feet away to see clearly. They also ... | [] | [] | [
[],
[],
[],
[]
] | ||
14kmwo | What is the physiologic difference between whispering and speaking in your regular voice? | Or is there no real difference and I'm just an idiot.. | askscience | http://www.reddit.com/r/askscience/comments/14kmwo/what_is_the_physiologic_difference_between/ | {
"a_id": [
"c7dyv47"
],
"score": [
4
],
"text": [
"Take one hand and put it on your neck, palm on the front of your throat. Now, say \"I am speaking louuuuuuuudly.\" You'll feel a vibration on your hand. That's your vocal cords flapping around in your neck. Try it again, but whisper. Where before... | [] | [] | [
[]
] | |
3j2mt3 | what about canned spaghetti makes it taste so different? | I've had spaghetti all around the world but nothing tastes remotely like chef boyardee or the stuff they used to feed us in the lunchroom. What exactly made the canned stuff taste so ....off? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3j2mt3/eli5_what_about_canned_spaghetti_makes_it_taste/ | {
"a_id": [
"culuswy"
],
"score": [
2
],
"text": [
"So the big ingredient differences between [chef boyardee spaghetti sauce](_URL_1_) and [Prego spaghetti sauce](_URL_0_) are (references to all in one products are things like spaghetti and meatballs or ravioli that include pasta, sauce and meat o... | [] | [] | [
[
"http://www.wegmans.com/webapp/wcs/stores/servlet/ProductDisplay?langId=-1&storeId=10052&catalogId=10002&productId=676755",
"http://www.amazon.com/gp/product/B001684OTS?*Version*=1&*entries*=0"
]
] | |
3as9co | when people do coke in movies, what are they actually sniffing? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3as9co/eli5_when_people_do_coke_in_movies_what_are_they/ | {
"a_id": [
"csfhp58",
"csfqztg",
"csfxfov",
"csg3l4v"
],
"score": [
121,
8,
2,
3
],
"text": [
"Lots of different recipes. For snorting they use powdered lactose, or a vitamin b power if there are lactose intolerance issues. Also, if the actor is using a straw or somet... | [] | [] | [
[],
[],
[],
[]
] | ||
49vosd | why do we have tonsils? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/49vosd/eli5_why_do_we_have_tonsils/ | {
"a_id": [
"d0v90zp"
],
"score": [
17
],
"text": [
"Tonsils are lymphatic tissue, meaning tissue that is responsible for capturing, sequestering, and destroying infectious agents. The places in your body that have the most lymphatic tissue are the places that are the easiest to infect through. Yo... | [] | [] | [
[]
] | ||
bpndyd | how is it that water increases friction in small amounts, but decreases it in large amounts? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bpndyd/eli5_how_is_it_that_water_increases_friction_in/ | {
"a_id": [
"envqdec",
"enwh67j"
],
"score": [
4,
9
],
"text": [
"Are you talking about surface friction vs submerged resistance?",
"Water is both cohesive (it sticks to itself) and adhesive (it sticks to other things) but these effects are relatively weak and more noticeable on a smal... | [] | [] | [
[],
[]
] | ||
3i7jg6 | How do man made satellites avoid damage from the solar wind? | askscience | http://www.reddit.com/r/askscience/comments/3i7jg6/how_do_man_made_satellites_avoid_damage_from_the/ | {
"a_id": [
"cuf2y7e",
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"score": [
3,
2
],
"text": [
"First of all, most of the radiation and charged particles in the solar wind are deflected by Earth's magnetic field so they don't reach the satellite.\nFor the stuff that still gets through, satellites are shielded with seve... | [] | [] | [
[
"http://orbitaldebris.jsc.nasa.gov/protect/shielding.html",
"http://settlement.arc.nasa.gov/75SummerStudy",
"http://engineering.dartmouth.edu/~d76205x/research/Shielding/docs/Sussingham_99.pdf",
"http://settlement.arc.nasa.gov/75SummerStudy/Chapt4.html#Shielding",
"https://en.wikipedia.org/wik... | ||
8yx341 | how did the first explorers navigate the oceans? | Nowadays we have GPS and all sorts of technologies, which makes navigating really easy. But for the first people who sailed to the Americas, Australia, New Zealand, etc, how did they know how to find their way back ? How do you measure distance, direction where they were headed, etc? To me it's just an endless water de... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8yx341/eli5_how_did_the_first_explorers_navigate_the/ | {
"a_id": [
"e2ed9cf",
"e2edcgs"
],
"score": [
5,
2
],
"text": [
"Actually, stars were used to navigate in nearly every regard, including distance and location on sea. This is why stars and constellations have been categorized and named. The North Star was also very important as it was the... | [] | [] | [
[],
[]
] | |
4jl7x7 | why trees produce different shapes/sizes of leaves. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4jl7x7/eli5why_trees_produce_different_shapessizes_of/ | {
"a_id": [
"d37hy49",
"d37j8ma"
],
"score": [
4,
8
],
"text": [
"Sometimes nature just does stuff because some component of an organism's genetics (its instruction book, if you will) changes due to a mutation and that mutation carries on to its descendants. If it's a mutation that adds so... | [] | [] | [
[],
[]
] | ||
2j5lla | Why is CO2 measured in tons if it is a gas? | askscience | http://www.reddit.com/r/askscience/comments/2j5lla/why_is_co2_measured_in_tons_if_it_is_a_gas/ | {
"a_id": [
"cl8q9td"
],
"score": [
9
],
"text": [
"Tonnes are a unit of mass. Gasses are matter and have mass. The mass of a certain amount is a constant. It will have the same mass at any temperature/pressure. The same cannot be said of volume, which deviates based on temperature and pressure."
... | [] | [] | [
[]
] | ||
7ryco4 | How did the Medici maintain control over Florence's electoral system during the 15th century? | [deleted] | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7ryco4/how_did_the_medici_maintain_control_over/ | {
"a_id": [
"dt28jt3"
],
"score": [
2
],
"text": [
"Although some public offices were indeed assigned by lot, when these weren't ad-hoc positions like special judges or ambassadors they tended to be rapidly rotating, with tenures of around a month. Candidates were nonetheless pre-selected by the l... | [] | [] | [
[]
] | |
28kewk | How sure are historians about the US/CIA involvement of the 1973 coup in Chile? | In the linked article a CIA spy stationed in chile in 1973 claims that the CIA and the US government was not directly involved in the sept 11 coup of -73. Is that just the claim of someone trying to white wash their own legacy or are there any other sources that would indicate that he is telling the truth?
_URL_0_ | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/28kewk/how_sure_are_historians_about_the_uscia/ | {
"a_id": [
"cic8y5m"
],
"score": [
3
],
"text": [
"I think what Devine is getting at is there is a difference between being directly behind a coup calling the shots and being in support of a coup and some of the events leading up to it. \n\nAs for the coup itself, Devine is correct that the coup ... | [] | [
"http://www.foreignaffairs.com/articles/141453/jack-devine/what-really-happened-in-chile"
] | [
[]
] | |
3jycjh | how come warm water tastes so bad? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3jycjh/eli5_how_come_warm_water_tastes_so_bad/ | {
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"Are you boiling fresh water, or using hot water tap? Is it a water bottle left in a car? \n \nEither of those would affect the tast... | [] | [] | [
[],
[
"http://www.reddit.com/r/explainlikeimfive/comments/1w2gy3/eli5_why_does_cold_water_taste_so_much_better/"
],
[],
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[],
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2bzzjz | if ebola is a virus, why can't we just make a vaccine out a weak or dead version of the virus like we do with other vaccines? | I thought flu shots and vaccines are weak/dead versions of the actual virus and our body learns to fight it. Why can't we do this with the ebola virus or any other virus? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2bzzjz/eli5_if_ebola_is_a_virus_why_cant_we_just_make_a/ | {
"a_id": [
"cjak36x"
],
"score": [
3
],
"text": [
"Many viruses mutate too quickly or have too many different strains to create an effective vaccine, since vaccines generally only work against the precise virus used in the vaccine. I don't know if that's the case for Ebola specifically, but it is... | [] | [] | [
[]
] | |
3sbim3 | offensive starbucks cups | I'm really confused about what is offensive about the red cups at starbucks. They seem plain and normal to me, can anyone explain? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3sbim3/eli5_offensive_starbucks_cups/ | {
"a_id": [
"cwvpx91",
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"score": [
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"text": [
"We live in a society where people can somehow become a frenzied crowd offended by the most mundane things in life. ",
"Snopes has the best explanation of where it came from _URL_0_\n\nThere was some rabble about the mor... | [] | [] | [
[],
[
"http://www.snopes.com/starbucks-red-christmas-cups/"
]
] | |
41jetg | why do people like to romanticize monarchies, but then look at dictatorships in the worst light possible? | They seem incredibly similar as systems of government. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/41jetg/eli5_why_do_people_like_to_romanticize_monarchies/ | {
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"score": [
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15,
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"text": [
"Monarchies are the product of long tradition. Most people see some inherent value or at least charm in maintaining tradition. When people romanticize monarchy, it's not because th... | [] | [] | [
[],
[],
[],
[]
] | |
73as4n | why do tendons take so long to regrow even though they are non complex and completely internal so no need to get rid of bacteria? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/73as4n/eli5_why_do_tendons_take_so_long_to_regrow_even/ | {
"a_id": [
"dnowiq9",
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"score": [
5,
5,
2
],
"text": [
"They're very tough and dense, without any blood vessels within so it's really difficult to get nutrients where they're needed for the repair.",
"Usually the healing process involves blood flowing to... | [] | [] | [
[],
[],
[]
] | ||
r0q1t | Can an Oral Rehydration Solution like Pedialyte cure a hangover? | askscience | http://www.reddit.com/r/askscience/comments/r0q1t/can_an_oral_rehydration_solution_like_pedialyte/ | {
"a_id": [
"c42197s"
],
"score": [
3
],
"text": [
"Rehydrating certainly helps, and so does replenishing lost nutrients. However, it's the breakdown of alcohol into acetaldehyde that gives you the nauseous feeling. I do like seeing the weekly Saturday mornings posts of this question."
]
} | [] | [] | [
[]
] | ||
4usbil | What holds a chunk of an substance together? | I know there are 4 fundamental forces (gravity, electromagnetism, strong and weak nuclear). When I pick up a solid chunk of iron or gold or something, which force keeps that piece together as one piece. Why does it not just fall apart as a jumble of individual molecules?
Also, when I take 2 pieces of iron and touch th... | askscience | https://www.reddit.com/r/askscience/comments/4usbil/what_holds_a_chunk_of_an_substance_together/ | {
"a_id": [
"d5skmsy",
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"score": [
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2
],
"text": [
"When you pick up a solid chunk of iron or gold, it is primarily the electromagnetic force which maintains rigidity and volume. Additionally the Pauli exclusion principle (which disallows fermions such as electrons to occupy ... | [] | [] | [
[
"http://ergodic.ugr.es/statphys/bibliografia/lieb3.pdf",
"https://en.wikipedia.org/wiki/Cold_welding",
"https://projecteuclid.org/download/pdf_1/euclid.bams/1183555452"
],
[]
] | |
2cfmtk | Why do clouds stay in "puffs" rather than just diffusing out all over the sky? | Specifically nice big well defined clouds - what is keeping the water vapor or temperature difference from just equalizing? | askscience | http://www.reddit.com/r/askscience/comments/2cfmtk/why_do_clouds_stay_in_puffs_rather_than_just/ | {
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"score": [
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103,
6,
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"text": [
"Knowledge on cloud dynamics and cloud microphysics (molecule interactions) are still developing, there are so many different cloud types in so many different climates that it's i... | [] | [] | [
[],
[],
[],
[]
] | |
4gwoks | why isn't mens clothing as skin-tight/revealing as womens clothing? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4gwoks/eli5why_isnt_mens_clothing_as_skintightrevealing/ | {
"a_id": [
"d2lcw2l",
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"score": [
5,
2
],
"text": [
"Oh my dear young person, you should have been around in the 60's, 70's and 80's. You could count the hairs on each testicle, the clothes were so tight !",
"The objectification of women is strong in the world. So much so... | [] | [] | [
[],
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] | ||
vcgrf | What is this growing on the leaves? | _URL_0_
I have a tree that started growing unusual red coloured growths on the leaves. As a result, it seems like the growth of the tree itself has been stunted.
Anyone have a clue as to what this is and if it's a disease of some sort? Is there a cure for it? | askscience | http://www.reddit.com/r/askscience/comments/vcgrf/what_is_this_growing_on_the_leaves/ | {
"a_id": [
"c539zho"
],
"score": [
3
],
"text": [
"Maple Mites or a form of little wasp. Eggs are laid then those bumps form around them to protect them.. think the bump is part of the leaf. \n\nHarmless.. no need to really do anything. \n\n\n\n_URL_0_"
]
} | [] | [
"http://imgur.com/u0ILc"
] | [
[
"http://forums2.gardenweb.com/forums/load/trees/msg0522475029533.html"
]
] | |
m2is0 | If a deep sea fish was brought to sea level, would It explode because of lack of pressure? | If not, what would be the physiological problems the organism would experience at atmospheric pressure? | askscience | http://www.reddit.com/r/askscience/comments/m2is0/if_a_deep_sea_fish_was_brought_to_sea_level_would/ | {
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2,
2
],
"text": [
"It does not explode per se but it does incur fatal injuries. Most fish have air filled sacs in their bodies called swim bladders. Fish can change the amount of air in them (slowly)... | [] | [] | [
[],
[],
[],
[]
] | |
36jh19 | When we say that a mathematical problem has no analytical solution, is that due to our limited knowledge of math and it may be possible to find an analytical solution in the future, or do we know them to be completely unsolvable? | As a follow-up question, are there any problems that were considered to be analytically unsolvable in the past which we know have analytical solutions for? | askscience | http://www.reddit.com/r/askscience/comments/36jh19/when_we_say_that_a_mathematical_problem_has_no/ | {
"a_id": [
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2,
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"text": [
"There might be cases of both. For example polynomial equations of order 5 or higher have been shown to be without analytical solutions in general.\n\nOther problems however might have analytical solutio... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Basel_problem"
],
[
"http://mathworld.wolfram.com/AiryDifferentialEquation.html"
]
] | |
4kv4yg | I've heard that the mobilization of the country and the transition to a war economy at the outbreak of WWII is what ended the Great Depression, how much truth is there to that? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4kv4yg/ive_heard_that_the_mobilization_of_the_country/ | {
"a_id": [
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"score": [
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"text": [
"If you look at the literature on the Great Depression, you will find that economists and economic historians cannot agree on why the recession began or ended. This may seem a bit odd, since it seems that history based on ha... | [] | [] | [
[],
[]
] | ||
1m5rg4 | why do people go to private universities in the united states | As a Canadian with two degrees this makes no sense to me. There are private universities here but I've met all of three people who have been to them (super-religious folks). However, in the states it seems to me there are lots of Private Uni's which practically do the exact same thing as Public post-secondary instituti... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1m5rg4/eli5why_do_people_go_to_private_universities_in/ | {
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"score": [
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3,
5,
2,
2,
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"text": [
"It depends. The biggest is prestige/education/career prospects (e.g. Harvard versus State U). Second, the costs a... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | |
30387k | Does an amputee's necessary daily caloric intake lower? What about a paraplegic? | askscience | http://www.reddit.com/r/askscience/comments/30387k/does_an_amputees_necessary_daily_caloric_intake/ | {
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"text": [
"If they live a similar enough lifestyle as a normal person an amputees necessary caloric intake would lower as there would be less tissue that they need to supply energy and nutr... | [] | [] | [
[],
[],
[
"http://www.bodyrecomposition.com/research-review/dissecting-the-energy-needs-of-the-body-research-review.html/"
],
[]
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27bdqt | programming, how does it differ between different architectures? | ..between x64 and x86 more specifically. I'm aware of the physical differences, and the need to accommodate those within the code.. But I suppose I'm looking for more of an example where a programmer would need to do something different in his/her code to do so. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/27bdqt/eli5programming_how_does_it_differ_between/ | {
"a_id": [
"chz5t00"
],
"score": [
3
],
"text": [
"It varies between different programming languages and compilers. Anyway, this sub really isn't this place for this kind of questions. Try /r/Programming or /r/learnprogramming."
]
} | [] | [] | [
[]
] | |
7hfqw5 | why is it that if you refresh/go back/etc. on some websites it will save information you entered but not on others? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7hfqw5/eli5_why_is_it_that_if_you_refreshgo_backetc_on/ | {
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"score": [
2,
4,
2,
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"text": [
"Its generally really bad form for it to remember stuff like registration information. You want that stuff deleted so if someone steals your laptop they can't just hit back a bunch ... | [] | [] | [
[],
[],
[],
[
"nytimes.com",
"nytimes.com/interesting-news-story",
"nytimes.com/login"
]
] | ||
3qdhbv | What are some of the earliest beverages we know of besides water? | I was talking to my girlfriend about how long tea has been around and I got to thinking about what the first drink that people had the option to consume other than water, would it have been tea or wine or some sort of infused fruit water? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3qdhbv/what_are_some_of_the_earliest_beverages_we_know/ | {
"a_id": [
"cwep42p"
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"score": [
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"text": [
"The oldest non-water beverage is probably milk, as humans have been drinking the milk of other animals since we first domesticated them during the Neolithic period.\n\nThe oldest alcoholic beverage, on the other hand is a subject of debate. Some ... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Ebla_tablets"
]
] | |
2rytka | why does google offer so many services for free? | Some I understand, like ads on the search engine/youtube make it profitable, but things like Google Earth, the maps app on iOS, and Google translate seem like extremely useful services you could charge for, but they're free, how come? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2rytka/eli5_why_does_google_offer_so_many_services_for/ | {
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18,
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"text": [
"I wouldn't say I know for sure, but I imagine it has to do with their analytical division for data collection and also because they can plaster their own ads on everything. Double... | [] | [] | [
[],
[],
[],
[]
] | |
22s57g | When and why did the acceptance of "ethnic descriptions" change within those ethnic groups in the U.S.? | Looking through history, we see terms that we now find anachronistic or even racist and bigoted that years ago were not only perfectly acceptable and common, but even used as a self-description by those minorities.
Over time, those minorities; racial, national, ethnic, religious, and even cultural, would take on thos... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/22s57g/when_and_why_did_the_acceptance_of_ethnic/ | {
"a_id": [
"cgqa5xk",
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"score": [
2,
3
],
"text": [
"What I believe you're trying to ask is why the \"other\" or \"outsider\" in the U.S. was identified as such, and how/why this changed? For the purposes of this answer, I define anyone who is not white or of Anglo descent as ... | [] | [] | [
[],
[
"http://books.google.com/books?id=mt_tw5cn8y0C&printsec=frontcover&dq=ronald+takaki&hl=de&sa=X&ei=llRIU4BsyoDKAYWvgZAI&ved=0CD8Q6AEwAg#v=onepage&q=ronald%20takaki&f=false"
]
] | |
2rktcy | History teacher needs help - First Bank of the United States. | I teach 8th grade US history and we are getting ready to talk about the First National Bank and Alexander Hamilton. We have covered pretty much everything from the colonies to the establishment of the Constitution. We are discussing Washington, his term, and his precedents. You can assume the students know the importan... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2rktcy/history_teacher_needs_help_first_bank_of_the/ | {
"a_id": [
"cngzl39",
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"score": [
4,
5
],
"text": [
"Greetings!\rI teach eighth grade history as well and I have a few ideas. When I teach about it I usually pick a student and have them select a denomination of money. Generally they pick something like $100, making life easie... | [] | [] | [
[],
[]
] | |
1voodr | the differences between heavy cream, whipping cream, evaporated milk, half-and-half, etc. | There are so many milk based products out there. How are they different chemically and what are common recipes that use them? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1voodr/eli5_the_differences_between_heavy_cream_whipping/ | {
"a_id": [
"ceucduu"
],
"score": [
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],
"text": [
"milk is quite a fatty substance. they're healthy fats though. whole milk is mostly as it is when it comes out the cow, except it's boiled and homogenized. homogenization is blending it so that it doesnt separate like it would naturally do. \n\ncr... | [] | [] | [
[]
] | |
9uvpqx | why are the senate and house so different? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9uvpqx/eli5_why_are_the_senate_and_house_so_different/ | {
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"e... | [] | [] | [
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"https://i.imgur.com/AOF4i6m.jpg"
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1lj4nn | different kinds of therapies (cognitive, behavioral, etc). | What are the main ones, and what is the difference among them? When each is one is recommended?
Also, do therapists specialize in one or few types, or can they do any kind? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1lj4nn/eli5_different_kinds_of_therapies_cognitive/ | {
"a_id": [
"cbzuffp"
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"score": [
2
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"text": [
"Cognitive therapy aims to change your thinking processes so that you can rationalise problems and anxieties better. Behavioural therapy aims to change your actions to break out of a cycle or get into a better routine and making you feel better/mo... | [] | [] | [
[]
] | |
3mvsgc | would a "universal basic income" lead to communism? | Seems like the two are second cousins. Yeah, a basic income structure is not a form of government but my rudimentary understanding of Marxist communism was this was pretty much a fundamental tenet [of it]. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3mvsgc/eli5_would_a_universal_basic_income_lead_to/ | {
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7,
2,
2
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"text": [
"Communism is a means to an end. Basic Income is a different means to a different end. About all they have in common with each other is that they are contrary to the principles of... | [] | [] | [
[],
[],
[
"https://www.youtube.com/watch?v=cXQrbxD9_Ng"
],
[]
] | |
7c0whl | Does Quantum Mechanics Allow for the Possibility of Different Eventualities? | To Expand on what I mean:
Given the state of the universe at time t1. Does the universe have a chance of evolving into different potential states at t2?
or.. If we could some how rewind the universe after t2 back to t1 is there a chance it could evolve into a state different to the one previously?
Does quantum mec... | askscience | https://www.reddit.com/r/askscience/comments/7c0whl/does_quantum_mechanics_allow_for_the_possibility/ | {
"a_id": [
"dpmfl6k",
"dpmfzkt"
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"score": [
5,
16
],
"text": [
"Quantum mechanics is a 100% deterministic theory of the time evolution of quantum wavefunctions. A wavefunction exists as a linear superposition of experimental outcomes. Now this alone isn't where quantum mechanics lies,... | [] | [] | [
[],
[]
] | |
692asy | Is it possible for the neurological effects of autism to wear off as a person gets older? If so, how? | askscience | https://www.reddit.com/r/askscience/comments/692asy/is_it_possible_for_the_neurological_effects_of/ | {
"a_id": [
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"dh3j4hx",
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"score": [
5,
36,
7,
2
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"text": [
"Not my area of expertise. But when my nephew was diagnosed, one of the things I learned was that the earlier you start therapy and treatment the better. The brain, especially yo... | [] | [] | [
[],
[],
[],
[]
] | ||
e3uipp | How would a graviton enact an interaction with a photon near a black hole? | So I was in class a couple of days ago and learned how the speed of information and causality is at c, (\~300,000,000m/s). But I had a question regarding how photons would be pulled into a black holes event horizon if the speculated gravitons max speed is c. Say we have a relatively small black hole, and a photon is tr... | askscience | https://www.reddit.com/r/askscience/comments/e3uipp/how_would_a_graviton_enact_an_interaction_with_a/ | {
"a_id": [
"f9a7bl1",
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"score": [
2,
4
],
"text": [
"If you think of *real* gravitons (not virtual ones) as they would appear in quanta of a gravitational wave, then you are correct that they cannot escape the black hole, because that would mean we could send information out f... | [] | [] | [
[],
[
"https://www.physicsforums.com/insights/physics-virtual-particles/"
]
] | |
1brn7c | What was British gun culture like in the 1950s? | I recently watched the fim "Let him have it" and was surprised at the scene at the beginning of the film where a load of boys, 13-14, are showing off their pistols before class starts. This particularly surprised me given how gun control laws are here 60 years later. So what was the gun culture like at around that time... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1brn7c/what_was_british_gun_culture_like_in_the_1950s/ | {
"a_id": [
"c99n9kx",
"c99q0uv"
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"score": [
2,
2
],
"text": [
"Have not seen that film, but were these BB guns or actual firearms?",
"The guns that the boys were showing off were most likely ones that their fathers - or other relatives - had kept hold of after coming back from the ... | [] | [] | [
[],
[]
] | |
1rb6hn | Can you see LADEE pass over the moon from Earth? | askscience | http://www.reddit.com/r/askscience/comments/1rb6hn/can_you_see_ladee_pass_over_the_moon_from_earth/ | {
"a_id": [
"cdmxh0z"
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"score": [
2
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"text": [
"Short answer: no\n\nLADEE is a small spacecraft, it's only 2.37m high and if it were visible then so should all the other spacecraft there now as well, including the Apollo descent stages, lunar rovers, debris etc. Even Hubble wouldn't be able to... | [] | [] | [
[]
] | ||
80dfht | why and how does full moon affect tides? how is full moon any different to the other stages of the moon? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/80dfht/eli5_why_and_how_does_full_moon_affect_tides_how/ | {
"a_id": [
"duup5js"
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"score": [
5
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"text": [
"Because the sun also affects the tides as well. When the moon is full (or new), the Moon, Earth, and Sun are all lined up, meaning the gravitational effect the Sun and Moon have on the tides are combined and at full strength. These are called ~~\... | [] | [] | [
[]
] | ||
7crcsp | Do bugs shiver when cold? | askscience | https://www.reddit.com/r/askscience/comments/7crcsp/do_bugs_shiver_when_cold/ | {
"a_id": [
"dpslccu"
],
"score": [
6
],
"text": [
"Shivering is reflex of warm blooded mammals such as ourselves to produce more body heat when we are losing too much of it to the environment. Insects do not maintain a constant body temperature. Their physical activity is limited by the environ... | [] | [] | [
[]
] | ||
15awi5 | microwave background & the temperature of the big bang | I remember at one point learning that pressure and temperature were directly related. Could you then infer the size of the universe based on the current energy of the microwave background? Or could you, if our estimates on the size of the universe are accurate, determine the temperature of the big bang? | askscience | http://www.reddit.com/r/askscience/comments/15awi5/microwave_background_the_temperature_of_the_big/ | {
"a_id": [
"c7ksals"
],
"score": [
2
],
"text": [
"Well we can do one of those things. By the expansion of the universe, even light expands (goes to a longer wavelength). Longer wavelength - > lower energy, so it's as if the temperature of the stuff emitting the light was colder. Right now the l... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Recombination_\\(cosmology\\)"
]
] | |
b1tddd | Does honey production/consumption help or harm the bee population? | Is there a consensus as to whether buying honey (and aiding honey producers) help och harm the overall bee population?
I understand that a higher demand on honey will increase the probability of more beekeepers. But does that in turn affect feral bees, and – if so – to what extent?
TL;DR: if you want bees around, i... | askscience | https://www.reddit.com/r/askscience/comments/b1tddd/does_honey_productionconsumption_help_or_harm_the/ | {
"a_id": [
"eip2jau"
],
"score": [
4
],
"text": [
"Not sure if there is a good conclusive scientific answer, grounded in reliable data, to this question. It might be context sensitive. I've read reports that in London, at least, the \"grass roots\" effort to help the bees [are doing more harm t... | [] | [] | [
[
"https://www.bbc.com/news/uk-england-london-19913180",
"https://www.telegraph.co.uk/news/2017/10/23/bees-do-better-city-countryside-varied-diet/"
]
] | |
3u33s3 | how come a mother's mother is called a grandmother, but a mother's aunt is called a great aunt and not a grand aunt? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3u33s3/eli5_how_come_a_mothers_mother_is_called_a/ | {
"a_id": [
"cxbh9w5"
],
"score": [
2
],
"text": [
"according to [this source](_URL_0_) Grand aunt is also acceptable. In this case grand and great are synonymous but grand is derived from French where great is derived from Old English"
]
} | [] | [] | [
[
"http://www.thefreedictionary.com/great-aunt"
]
] | ||
19rlwm | why aren't polygamist rights treated similarly to gay rights? | Alright, I'll first start this off saying I am a supporter of equality for the LGBT community and support the legalization and recognition of gay rights.
So, I was wondering, why isn't polygamy given the same treatment, where people should be free to multiply marry if they would like to. I'm guessing it is because of ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/19rlwm/eli5_why_arent_polygamist_rights_treated/ | {
"a_id": [
"c8qovc4",
"c8qp5g7",
"c8qpapl",
"c8qpjq9",
"c8qpmoz",
"c8qpthb",
"c8qryfv",
"c8qt8w4",
"c8qz2z7"
],
"score": [
21,
4,
7,
4,
83,
3,
11,
3,
3
],
"text": [
"I don't have a definitive answer, but I get the feeling that it's u... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | |
2ing3r | What did people in the far north do during the winter darkness before electric lighting? | Such as far northern Norway, Finland, Iceland, etc. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2ing3r/what_did_people_in_the_far_north_do_during_the/ | {
"a_id": [
"cl3osgy"
],
"score": [
4
],
"text": [
"They used open flame for lighting, in lanterns, candles, torches etc. To save more expensive candles one could burn shingles in a contraption like [this.](_URL_0_) "
]
} | [] | [] | [
[
"http://www.rantsila.fi/zenphoto/cache/Kodin-tavaroita/0069_595.jpg"
]
] | |
fyew68 | How did the early hominids leave Africa? | This may be an extremely stupid question, but based off of the “Out of Africa model” how did the early hominids leave Africa? Whether the early humans could actually swim or not, surely they would die of exhaustion from trying to swim extreme distances to reach other continents? | askscience | https://www.reddit.com/r/askscience/comments/fyew68/how_did_the_early_hominids_leave_africa/ | {
"a_id": [
"fmzm381",
"fmzn6ex",
"fn080fr"
],
"score": [
19,
4,
4
],
"text": [
"On foot - you can cross from Africa to Asia on foot in Egypt, or at least, you could before the Suez Canal was built. No swimming necessary.\n\nIt was also a gradual, multi-generational spread, not a s... | [] | [] | [
[],
[],
[]
] | |
2iin41 | What are the most reliable statistics we have regarding arrests and executions during the Stalin era? | I'm trying to find some accurate numbers, but all I've managed to find so far was a debate between Robert Conquest (who I think is a Stalinist, but I may need some confirmation on that), and Steve Wheatcroft.
Can someone link me to some more accurate numbers, preferably including the number of people accused of sabota... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2iin41/what_are_the_most_reliable_statistics_we_have/ | {
"a_id": [
"cl2judw"
],
"score": [
6
],
"text": [
"Victims of the Soviet Penal System in the Pre-War Years: A First Approach on the Basis of Archival Evidence\n\nJ. Arch Getty, Gábor T. Rittersporn and Viktor N. Zemskov\n\n\nThe American Historical Review\n\nVol. 98, No. 4 (Oct., 1993), pp. 1017-... | [] | [] | [
[
"http://www.jstor.org/discover/10.2307/2166597?uid=3739552&uid=2&uid=4&uid=3739256&sid=21104288695241"
]
] | |
2b6744 | the hierarchy of the catholic church: pope, cardinals, archbishops, bishops, priests, deacons | ... As well as any others I forgot (patriarchs?) what are their individual responsibilities? Who do they report to? When and what on? Are there checks and balances? How do they raise their status? How many are there? Someone please explain the positions and politics of the ranks of the Carholic Church to this agnostic.... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2b6744/eli5_the_hierarchy_of_the_catholic_church_pope/ | {
"a_id": [
"cj26v2r",
"cj276xb"
],
"score": [
2,
6
],
"text": [
"Deacons aren't ordained, which all the others are. They are member of the congregation that help out.\n\nPriests are ordained in the church and run a church/chapel alone, or with (an)other priest(s). They number approximatel... | [] | [] | [
[
"https://www.youtube.com/watch?v=kF8I_r9XT7A"
],
[
"https://www.youtube.com/watch?v=kF8I_r9XT7A"
]
] |
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