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1ypu8h | what does it mean when the news says" left the work force" or "stopped looking for work" in regards to unemployment numbers? | Did those people start a business? Go on welfare or disability? Are they just out of benefits? Im confused | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ypu8h/eli5_what_does_it_mean_when_the_news_says_left/ | {
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"they may have retired, perhaps they are living on savings, or they could be from a dual income household, so they decided they'd rather ... | [] | [] | [
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k4spk | alan turing, turing complete, turing machine, lambda calculus, etc. | Ie the roots of computer science? I went down a wikipedia path and came across these key terms, but am having a hard time understanding how they all fit together.
Also, any good books that explain this?
Thanks. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/k4spk/alan_turing_turing_complete_turing_machine_lambda/ | {
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"Okay, for a discussion of who Alan Turing is and a part of why he's important, see [here](_URL_1_). As is the case with ELI5 posts, errors will arise from simplification. \n\nBut the man was not just a guy that designed an... | [] | [] | [
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"http://www.reddit.com/r/explainlikeimfive/comments/j4ohk/explain_the_pnp_problem_li5/",
"http://www.reddit.com/r/explainlikeimfive/comments/jvrlu/eli5_how_computers_were_invented/c2fieum"
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13o6r4 | How is the dental hygiene of the animal kingdom compared to ours? | Do primates have similar dental problems? Are dental problems an big issue for most animals? Things like gingivitis and cavities.
Any animal, not just mammals. | askscience | http://www.reddit.com/r/askscience/comments/13o6r4/how_is_the_dental_hygiene_of_the_animal_kingdom/ | {
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"The reasons that humans encounter more dental problems are:\n\n1. Refined sugars in the diet. We eat a diet that highly favours the growth of bacteria in our oral cavity, mainly through energy-dense and easily metabolised s... | [] | [] | [
[],
[]
] | |
2wz7c0 | Did a lingua franca develop in Hannibals army? | As I understand it Hannibals army was ethnically and linguistically diverse fielding carthaginians, numidians, iberians, celts, Greeks and some italic peoples and probably other mercenaries of foreign extraction. The diversity of his army coupled with the fact that his campaign against Rome lasted 15 years would su... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2wz7c0/did_a_lingua_franca_develop_in_hannibals_army/ | {
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"text": [
"This is a really good question, and I'm kinda eager to hear an answer.\n\nAs a somewhat related question, was it common for mercenary armies to stick together as a cohesive force for so long?",
"Nothing that I have rea... | [] | [] | [
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2rgx2i | gas is dropping in price significantly, but airline ticket prices aren't changing.. why? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2rgx2i/eli5_gas_is_dropping_in_price_significantly_but/ | {
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"Several reasons:\n\n1) They will always charge what the market will bear.\n\n2) Many times they have long-term fuel contracts as a hedge against rising fuel prices - which is not such a good thing when prices are falling.\n... | [] | [] | [
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5ojo0f | For those that have read: Carthage Must Be Destroyed, by Richard Miles, is it worth buying? | [deleted] | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5ojo0f/for_those_that_have_read_carthage_must_be/ | {
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"I would recommend it for a general audience. Miles put together a pretty breezy history of Carthage but it lacks discussion of contrary views and scholarly research. That makes it a good introduction and general history but insufficient for a ser... | [] | [] | [
[]
] | |
6wz2lm | how and why does glass explode when placed in the freezer for an extended time? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6wz2lm/eli5_how_and_why_does_glass_explode_when_placed/ | {
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"text": [
"Water is unusual in that it actually expands when it freezes, because on a molecular level water molecules form a sort of honeycomb lattice when frozen due to strong intramolecular forces (electromagnetic repulsion in this c... | [] | [] | [
[],
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] | ||
cfwkdi | how did super mario bros on the nes look blocky, have no detail, and lack a bunch of features; yet super mario bros 3, also on the nes, with the same hardware, have a fully fledged world map, siginificantly higher quality sprites, and more content? while on the same cartridge? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cfwkdi/eli5_how_did_super_mario_bros_on_the_nes_look/ | {
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"Memory hardware inside of cartridges advanced precipitously in the five years between the release of Super Mario Bros. & Super M... | [] | [] | [
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bwu75f | Is there an updated explanation for the progress of shipbuilding technology in Scandinavia from the 4th to 11th century? | I was for some week in a German museum where the boat of Nydam is exhibited. This boat from the 4th century has already some features of the later viking ships, but had no sail and was much shorter. The sudden arrival of sails according to many sources doesn't let me sleep. Trade existed since the neolithic age (Denmar... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/bwu75f/is_there_an_updated_explanation_for_the_progress/ | {
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"Well who says they didn't know of sailing? I mean that literally, I've not seen it suggested. \n\nScandinavia and north Germany enter the 'Roman Iron Age' around the first century BCE. This is marked by a cultural shift due to contact with the Ro... | [] | [] | [
[
"https://fof.se/tidning/1999/5/artikel/vikingatidens-hightech"
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c64z7p | Given that guns are not legal (and assault weapons are very uncommon) in the UK, where did the IRA get their weapons from during the troubles? | I've seen images of IRA soldiers during the troubles sporting rifles, and given how uncommon they are and how difficult I'd assume they'd be to get hold of, it left me wondering how they managed to get so many and where they came from.
....asking for a friend /s | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/c64z7p/given_that_guns_are_not_legal_and_assault_weapons/ | {
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"text": [
"Whilst you are waiting for an answer to your question please have a look at [this](_URL_0_) answer from u/Eirebmac to a very similar question"
]
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"https://old.reddit.com/r/AskHistorians/comments/8atfng/how_did_the_ira_get_access_to_firearms_and/dx21s4o/"
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2i0r9f | how do multiple pulleys work to distribute the weight and allow someone to lift amounts much higher than they ordinarily would? | I didn't take any physics classes, so please simplify the math as much as possible, if you must use it at all in the explanation.
What's going on that, using a setup like [this](_URL_0_), I conceivably could lift much more than my own bodyweight? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2i0r9f/eli5_how_do_multiple_pulleys_work_to_distribute/ | {
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"_URL_0_ \n\n^ there ya go. Explains how a block-and-tackle setup works, which gets into how pulleys act as a force-multiplier (reducing the initial required effort). \n\nThe super-short version is \"less force, longer distance of pulling require... | [] | [
"http://www.miniscience.com/projects/pulley/pulleys.gif"
] | [
[
"http://science.howstuffworks.com/transport/engines-equipment/pulley.htm"
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7mnkig | in what ways are doctors and nurse practitioners similar and in what ways are they different? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7mnkig/eli5_in_what_ways_are_doctors_and_nurse/ | {
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"My wife is a doctor so maybe I have a bias here. She went through 4 years of medical school. The last 2 years of med school are performed in the field. She is in the first year of a 4 year residency program for ob-gyn. Resid... | [] | [] | [
[],
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vzahd | how christians believing in evolution is not a contradiction? | I am Christian, I'm just trying to understand if I'm not lying to myself here. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/vzahd/eli5_how_christians_believing_in_evolution_is_not/ | {
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"Some Christians think that Genesis is metaphorical, and that God used evolution to create humans.",
"Evolution is not something you believe in. It's some... | [] | [] | [
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2439y9 | Why do some people become more talkative and energetic when they're sleep-deprived? | askscience | http://www.reddit.com/r/askscience/comments/2439y9/why_do_some_people_become_more_talkative_and/ | {
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"text": [
"Your sympathetic nervous system (fight-or-flight) response activates and increases levels of substances called catecholamines in your central nervous system. Catecholamines are things like dopamine, noradrenaline, and adrenaline. Your body does t... | [] | [] | [
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4h0yih | why does it matter what order a player is picked in the draft as long as they are picked? | Is it strictly for salary purposes and just overall respect? the higher in the draft you get picked the more you are in control of your own destiny once on the team? I see news reports of a certain player not being picked in the first round against projections and I wonder why this matters? If I'm trying to get in t... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4h0yih/eli5_why_does_it_matter_what_order_a_player_is/ | {
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"Rookie salaries and contracts are structured based on when you are picked. So someone going in the first round may get a guaranteed $10 million salary and a 4 year contract, while someone picked in the 5th may have a $1 mill... | [] | [] | [
[],
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] | |
29soir | why do things look black and white for a while after you've been sunbathing? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/29soir/eli5_why_do_things_look_black_and_white_for_a/ | {
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"text": [
"You do know that you don't need to stare at the sun to absorb its rays, right?"
]
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39ek4a | if the eardrum detects vibrations, why can't we hear certain vibrations like moving your head or being punched as loud noises? | I've been wondering, since the amplitude of sound heard should depend on the amplitude of vibration of the eardrum, why can't we "hear" big vibrations such as being punched and shaking your head? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/39ek4a/eli5_if_the_eardrum_detects_vibrations_why_cant/ | {
"a_id": [
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"text": [
"The brain. It does a remarkable job filtering our noise. Without it we'd be overwhelmed by the sound of our heartbeat and flowing blood and creaking parts. So...the ear as a sensor does not discern, but the brain as an in... | [] | [] | [
[],
[]
] | |
ds3s52 | why is formic acid ( oxidized methanol) toxic? what causes blindness? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ds3s52/eli5_why_is_formic_acid_oxidized_methanol_toxic/ | {
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"Methanol is a member of a class of chemicals called \"alcohols,\" along with ethanol, the kind that you drink.\n\nAlcohols are broken down twice in the body -- once, from an alcohol to something called an *aldehyde,* and then again to a type of a... | [] | [] | [
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7lm6lz | What does pre-modern grief look like? How did it change from times when mortality rates were much higher? Did the Black Death change how grief was expressed? | Edit: Someone is gonna get me for not specifying a culture. Is asking about "whatever you can answer" permitted? If not, then I guess Medieval Europe.
2 Edit: Just thought of something else. If infant mortality rates were so much higher, did parents not grow attached to children until a certain age?
3 Edit: [My bad o... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7lm6lz/what_does_premodern_grief_look_like_how_did_it/ | {
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"I actually asked a very similar question over at r/AskAnthropology\n\nHere is link to it with some wonderful answers with sources provided\n\n_URL_0_",
"The first place to begin is probably a bit in the way of disclaim... | [] | [
"https://www.reddit.com/r/AskHistorians/comments/6qhi98/in_the_past_it_was_far_more_likely_that_children/?st=jbit87lb&sh=ee6f4d00"
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iymdt | How do people mentally and physically develop in a coma? | Let's say a 13-year old was in a coma for 5 years until the age of 18. Does he have the mental development of a 13 or an 18 year old? Does he grow physically? | askscience | http://www.reddit.com/r/askscience/comments/iymdt/how_do_people_mentally_and_physically_develop_in/ | {
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"There is no reason why body wouldn't age, but it leads to muscle atrophy, so it wouldn't be exactly a body of a normally-developed 18-year old.\n\nCan't say anything about mental development, not being an expert, but I do no... | [] | [] | [
[],
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2xa092 | Is it theoretically possible to change something into something else? | I was having a discussion over in a debate sub, and the question arose: what prevents something (a piece of wood for example) from being broken down to the very base elements, and being reconfigured as something else (a snake if we're really gonna be adventurous)? *If* we had the technology, is it theoretically possibl... | askscience | http://www.reddit.com/r/askscience/comments/2xa092/is_it_theoretically_possible_to_change_something/ | {
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"I suppose it is possible, and that's kind of what we do when we synthesize new molecules (we often start from crude oil), but nobody has ever made a living organism from scratch. ... | [] | [] | [
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cbx7yf | how do organs know at which part of the body they should develop (left or right)? are there people with 'flipped' organ arrangements? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cbx7yf/eli5_how_do_organs_know_at_which_part_of_the_body/ | {
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zafbv | What is it about viruses that causes ongoing fatigue? | For example, Epstein-Barr, which also causes mononucleosis, has a recovery time of weeks to months.
Once the necessary antibodies are created why does the virus continue to have any effect at all? | askscience | http://www.reddit.com/r/askscience/comments/zafbv/what_is_it_about_viruses_that_causes_ongoing/ | {
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"Viruses, by definition, do not replicate on their own. They must hijack cellular machinery in order to reproduce, often destroying the cell in the process. Thus, even if antibodies are being produced en masse to counteract ... | [] | [] | [
[],
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2slbv3 | In Europe, how does the socialist and anarchist terrorism of the late 19th and early 20th centuries differ from modern Islamic terrorism? | I was just reading an item about an Alaska execution that discussed a Montenegrin man's links to the "notorious European terrorist organization 'Black Hand'" and was curious if modern Islamic terrorism in Europe has a historic parallel. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2slbv3/in_europe_how_does_the_socialist_and_anarchist/ | {
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"text": [
"One aspect was that anarchist and socialist terrorism focuses on destroying the state and the current order of power. Therefore they mostly targeted heads of states, high military personnel or the nobility, as well as industry leaders etc. The id... | [] | [] | [
[]
] | |
axpvmd | [Methodology/Personal Practice Question] How do you take and organize your notes? | Hi all--mods, please remove if this post is inappropriate, but I'm hoping to get a perspective from as many practising historians as possible and this seems like the place!
I'm an engineering grad student, and I've recently become involved in a project to analyze the economic success or failure of large engineering pr... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/axpvmd/methodologypersonal_practice_question_how_do_you/ | {
"a_id": [
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"text": [
"I am working on a large essay right now, and my best method for arranging raw data so far has been a legal pad array with one pad per category, each a different colour, and several different colours of pen. ",
"I’m not a... | [] | [] | [
[],
[]
] | |
646635 | Can bright IR/UV light blind us? | askscience | https://www.reddit.com/r/askscience/comments/646635/can_bright_iruv_light_blind_us/ | {
"a_id": [
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"text": [
"Yes, it can easily damage the cells of your eyes. Especially if it's high intensity or prolonged exposure. There are very few situations where you should get enough UV radiation to do that, but it's definitely possible. UV i... | [] | [] | [
[],
[]
] | ||
rqoz9 | During reentry into Earth's atmosphere, could a spacecraft use retro-rockets to descend slowly and not have to rely on a heat shield? | I'm guessing the answer is that it is not economically practical? | askscience | http://www.reddit.com/r/askscience/comments/rqoz9/during_reentry_into_earths_atmosphere_could_a/ | {
"a_id": [
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"text": [
"Absolutely. And as you correctly inferred, it is a matter of money. To have retrorockets you need fuel, and as it turns out it's expensive to send things into space. The bigger the payload, the more expensive it is, so carrying all this fuel for ... | [] | [] | [
[]
] | |
406vt3 | Did army branches other than the infantry suffer significant casualties in WWI? | Specifically interested in hearing about artillery and casualties of gunners but I decided to keep the question broad. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/406vt3/did_army_branches_other_than_the_infantry_suffer/ | {
"a_id": [
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"In terms of raw numbers, it's as follows for battle deaths\n\nInfantry: 8,778 officers, 134,174 enlisted\nAir Force 22,022 officers, 28,999 enlisted\nArtillery 1,330 officers, 8,255 enlisted\nEngineers 601 officers, 7,090 enlisted\nArmored Force ... | [] | [] | [
[
"http://www.ibiblio.org/hyperwar/USA/ref/Casualties/"
]
] | |
87y81i | what is black matter? is it the stuff that is displaced when regular matter is clumped together? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/87y81i/eli5_what_is_black_matter_is_it_the_stuff_that_is/ | {
"a_id": [
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"score": [
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"text": [
"Are you talking about black holes? Or dark matter? I'm not quite sure what you're asking",
"You mean [Dark Matter](_URL_0_)?\n\nWe don't know. We've never seen it, only observed it's effects.\n\n... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Dark_matter",
"https://en.wikipedia.org/wiki/Aether_theories"
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] | ||
1qpdsv | what are logarithms actually doing? when would we display data using a log scale and why? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1qpdsv/eli5_what_are_logarithms_actually_doing_when/ | {
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"So logarithmic scales are used to display things where we don't care how much something increased by, we care how much relative to one ... | [] | [] | [
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7m01iy | Which would experience more brain trauma when shot in the head: a normal human skull, or a bulletproof human skull? | askscience | https://www.reddit.com/r/askscience/comments/7m01iy/which_would_experience_more_brain_trauma_when/ | {
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"Thank you for your submission! Unfortunately, your submission has been removed for the following reason(s):\n\n* It is hypothetical or speculative in nature. We do not allow hypothetical questions because questions that cannot be confidently answ... | [] | [] | [
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61jn6b | why does sound quality drop when the volume is too high? what causes it to sometimes sound 'grainy'? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/61jn6b/eli5_why_does_sound_quality_drop_when_the_volume/ | {
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" This is generally caused by a speaker operating at, near, or beyond its mechanical limitations. Speakers - like other machines - have defined range of where they are most efficien... | [] | [] | [
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20ppet | if i could travel to the edge of our universe, could i go past the border? what would happen if i tried? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/20ppet/eli5_if_i_could_travel_to_the_edge_of_our/ | {
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"I imagine in an ever expanding univers if you got to\"the border\" instrad of crossing it you would actually be just expanding the known... | [] | [] | [
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"https://www.youtube.com/watch?v=5NU2t5zlxQQ"
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3m10q3 | slam poetry | I know literally nothing about it other than it sounds like normal poetry with randomly enunciated syllables. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3m10q3/eli5_slam_poetry/ | {
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"Its just like spoken word in the sense that it *can* rhyme, but it doesn't have to. Also it's just people talking about current issues or issues they've de... | [] | [] | [
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"https://www.youtube.com/watch?v=rfWIuymme50",
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1t6yey | why can a city zoning board tell me what i can do with land that i own? | I built a small chicken coup in my fairly rural back yard and my neighbors called the zoning board who ordered me to take apart the "structure" because it had a cinder block foundation. Why can they do that? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1t6yey/eli5_why_can_a_city_zoning_board_tell_me_what_i/ | {
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"Because they are empowered by the voters (via delgation from the city council/county comissioners) to enforce the rules created to benefit all the voters. ",
"The system is intended to prevent people from (a) building u... | [] | [] | [
[],
[]
] | |
9auw8w | We hear about the Napoleonic Era revolutionizing warfare, but what specific innovations are noteworthy? | & #x200B; | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/9auw8w/we_hear_about_the_napoleonic_era_revolutionizing/ | {
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"text": [
"[This older answer](_URL_0_) by /u/dandan_noodles will be a reasonable starting point.\n\n"
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} | [] | [] | [
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"https://www.reddit.com/r/AskHistorians/comments/7lalnf/what_specific_battle_tactics_did_napoleon_employ/"
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46g4jo | What are some important events to know about in the 1900's? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/46g4jo/what_are_some_important_events_to_know_about_in/ | {
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"Sorry, we don't allow [\"trivia seeking\" questions](_URL_0_). These tend to produce threads which are collections of disjointed, partial responses, and not the in-depth discussions about a particular topic we're looking for. If you have a spec... | [] | [] | [
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"https://www.reddit.com/r/AskHistorians/comments/3nub87/rules_change_throughout_history_rule_is_replaced/"
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2exh0t | If lightning strikes a car, does it fry the radio? What about a charging phone? | Say lightning strikes a car. The car has a stock radio and a charging phone in it.
Does this fry the radio or phone?
How about an automotive inverter(built in or plug in)?
Would any specific electronic system in the car be fried?
| askscience | http://www.reddit.com/r/askscience/comments/2exh0t/if_lightning_strikes_a_car_does_it_fry_the_radio/ | {
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"It can, but it might not. Anything that is connected to the outer metal shell of the car, in any way, can suffer from the effects of the strike. The radio and the charging phone are a part of the system that is grounded to the frame of the car.... | [] | [] | [
[]
] | |
1e4cfg | If a proton and anti-proton come close to each other and annihilate, how much energy will be released? | How do you calculate the amount of energy released? While calculating the energy, should we consider only kinetic energy?
If they collide with sufficient energy, what particles are given out after collision? | askscience | http://www.reddit.com/r/askscience/comments/1e4cfg/if_a_proton_and_antiproton_come_close_to_each/ | {
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"If they annihilate each other, there will be no particles afterwards, all the protons and the anti protons energy will be turned to photons. To calculate the energy released in such a reaction, you'll need two formulas, one for the rest energy (e... | [] | [] | [
[]
] | |
7iox9z | why is smoking so common amongst the asian population at my college? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7iox9z/eli5_why_is_smoking_so_common_amongst_the_asian/ | {
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"text": [
"Impossible to know without more details, but if you have a lot of international students then it is possible you are seeing the effects of much higher rates of smoking in many east asian countries, like China.",
"Smokin... | [] | [] | [
[],
[]
] | ||
2vf38e | what does interpol really do? does the organisation actually wield any power? | Despite regularly following world news and reading a good deal on history and current events, I feel almost all the exposure to INTERPOL's existence that I come across is in movies (Lord of War and the Lupin the 3rd franchise, for example). Does INTERPOL actually have any power? And what does it really do in terms of m... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2vf38e/eli5_what_does_interpol_really_do_does_the/ | {
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"text": [
"It's basically an information exchange and allows police forces to quickly exchange intelligence and get warrants to facilitate extradition, etc.\n\nIt is not a Police Force in and on itself. It enables say, the French Police to go and arrest som... | [] | [] | [
[]
] | |
b029h8 | When a patient has their artery tapped, why is no local anesthetic administered? | [deleted] | askscience | https://www.reddit.com/r/askscience/comments/b029h8/when_a_patient_has_their_artery_tapped_why_is_no/ | {
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"For a quick procedure like an arterial blood gas (simple blood sampling from the radial artery using a needle and syringe) an operator can sometimes get away without causing unbearable discomfort to the patient without local... | [] | [] | [
[],
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] | |
1b443p | why does my laptop still have a huge box on the power cord? every other part has gotten smaller but i still have to carry around a big chunky box of a power cable. | Laptops are tiny now compared to just a few years ago but the box on the power cord is still about the same size. Is there just no demand or is there something about the power cord that makes it impossible to get any smaller? Why can't it be the size of a quarter? Thanks. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1b443p/eli5_why_does_my_laptop_still_have_a_huge_box_on/ | {
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"This is because it's an adapter that reduces the voltage from the power source to the volt... | [] | [] | [
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"http://i.imgur.com/FIPhM9a.jpg",
"http://i.imgur.com/Qh3CwtH.jpg"
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58yavp | Is there a limit to expansion of the International Space Station? | [deleted] | askscience | https://www.reddit.com/r/askscience/comments/58yavp/is_there_a_limit_to_expansion_of_the/ | {
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1u53gz | how does a hacking group like "derptrolling" ddos huge gaming servers (lol,minecraft, wow) without getting detected... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1u53gz/eli5_how_does_a_hacking_group_like_derptrolling/ | {
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"text": [
"They get access to a giant bot net of hacked regular computers and send out attach commands for those random computers to carry out.\n\n\n\nVery hard to trace unless they screw up the methods of sending the commands",
"T... | [] | [] | [
[],
[]
] | ||
2xaghn | why is it so hard to learn what letters come before and after another letter in the alphabet | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2xaghn/eli5_why_is_it_so_hard_to_learn_what_letters_come/ | {
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"text": [
"Because the sequence is arbitrary rather than intuitive or easily predicted. Knowing what comes immediately before or after the number \"31\" is easy because numbers aren't arbitrary in sequence. Most of us learn the alphabet as a memorized seq... | [] | [] | [
[]
] | ||
f3t0j8 | What did people in the middle ages carry with them? | Nowadays you wouldn't leave the house without your wallet or your phone. What did people in the middle ages carry with them when they needed to travel short distances, say to the nearest market to buy food? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/f3t0j8/what_did_people_in_the_middle_ages_carry_with_them/ | {
"a_id": [
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"text": [
"A really interesting question. There are two preliminary questions here, I think. First, and not entirely germane, what were things carried *in*? Second, who carried what?\n\nRegarding the first, sewn-in pockets appear to be an innovation of the... | [] | [] | [
[
"https://imgur.com/9XyrxQt",
"https://imgur.com/PiVYUar",
"https://imgur.com/PXGmIQo",
"https://imgur.com/NdM6Ncz",
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"https://imgur.com/4Wul0Tx",
"https://www.ibookbinding.com/history/medieval-bookbinding/tutorials/",
"https://img... | |
ozkvp | A question about common ancestors and to some extent, abiogenesis. | From my understanding of evolution, all humans share a common ancestor (although I'm unclear as to whether it is either as an individual or a single group of the species), and all the great apes share a common ancestor. Does this chain of common ancestors continue through all mammals and on a far enough back in the pas... | askscience | http://www.reddit.com/r/askscience/comments/ozkvp/a_question_about_common_ancestors_and_to_some/ | {
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"[A universal common ancestor is at least 10^2,860 times more probable than having multiple ancestors](_URL_0_)",
" > Does this chain of common ancestors continue through all mammals and on a far enough back in the past,... | [] | [] | [
[
"http://news.discovery.com/animals/life-single-common-ancestor.html"
],
[
"http://en.wikipedia.org/wiki/Last_universal_ancestor"
]
] | |
fnvvcn | could self isolation/full lockdowns like we are seeing be a possible way to rid the common cold from being common? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fnvvcn/eli5_could_self_isolationfull_lockdowns_like_we/ | {
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"No. Because despite other endemic,pandemic,and plagues we’ve never gotten rid of it. Because it is a huge family of fast mutating, adapting, and hearty viruses. It’s not a singular, like the flu there’s... | [] | [] | [
[],
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] | ||
3fnmx6 | why does notebook power supplies have no vents? would`t it be more efficient if present? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3fnmx6/eli5_why_does_notebook_power_supplies_have_no/ | {
"a_id": [
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"score": [
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2
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"text": [
"I mean the \"brick\" itself like this one \n\n_URL_0_\n\n*Sorry english is not my native language",
"Laptops are portable. They're constantly getting stuffed inside bags with other shit.\n\nIf you had vents on the power... | [] | [] | [
[
"http://store.storeimages.cdn-apple.com/4683/as-images.apple.com/is/image/AppleInc/aos/published/images/M/C4/MC461/MC461?wid=1200&hei=630&fmt=jpeg&qlt=95&op_sharpen=0&resMode=bicub&op_usm=0.5,0.5,0,0&iccEmbed=0&layer=comp&.v=1400692022682"
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crajr8 | Can entangled qubits be stored? | My question is about quantum teleportation and saving the entangled qubits for later communication. I understand that there isn't any faster than light ways to communicate instantly on demand using qubits as classical means must be used to share the measured state of one of the pair (or triplet, etc).
However, what if... | askscience | https://www.reddit.com/r/askscience/comments/crajr8/can_entangled_qubits_be_stored/ | {
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"text": [
"Yes, you can store qubits for later, though it is definitely a technical challenge to keep them isolated enough that they remain entangled. No, they cannot be used for instant communication.\n\n > Why couldn't this be harnessed into something lik... | [] | [] | [
[]
] | |
13rmod | why do college football teams that are not eligible for bowl games get to be ranked? | I have wondered this all season about USC and OSU. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/13rmod/eli5_why_do_college_football_teams_that_are_not/ | {
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"text": [
"They're ranked in the human polls (e.g., the AP poll), because those aren't the final determiners of bowl game qualification - the purpose is just to rank everyone. They're not given ranks in the BCS standings, though, which... | [] | [] | [
[
"http://www.youtube.com/watch?v=Dk_2_wtwtzE"
],
[]
] | |
21bb72 | - salvage law - if i find a ship floating abandoned in the ocean, dibs? if so, why is a sunken ship still considered property of the country of origin? | Based on the Odessy and that Spanish gold find.
If the ship was still floating around aimlessly on the ocean, do the laws change? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/21bb72/eli5_salvage_law_if_i_find_a_ship_floating/ | {
"a_id": [
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"score": [
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"text": [
"Laws of salvage are actually incredibly complicated, like most international law. As an example, the law draws a distinction between *types* of wreck. You've heard the expression flotsam and jetsam? Those are types of wreckage: flotsam is the flo... | [] | [] | [
[]
] | |
12qmx7 | Are there any situations where Freudian slips are more common than others? | askscience | http://www.reddit.com/r/askscience/comments/12qmx7/are_there_any_situations_where_freudian_slips_are/ | {
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9,
3,
3
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"text": [
"Try /r/asksocialscience - they're mind experts over there and may be able to help you out. ",
"You can also try /r/linguistics. There isn't an \"ask\" variety that I'm aware of, but since Freudian ... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/Ironic_process_theory"
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k6uml | what made mlk a great leader? eli5 | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/k6uml/what_made_mlk_a_great_leader_eli5/ | {
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"text": [
"In my opinion, MLK (Jr.) was a great leader because he was highly intelligent, he was very well-spoken, he advocated non-violence, he had noble ideals, and was incredibly charismatic. \n\nIf you read some of his letters or ... | [] | [] | [
[],
[]
] | ||
12o2tg | Is our Moon unique? | I heard somewhere that it is very rare for a small rocky planet like Earth to have a moon at all, much less one so large as ours. If this is true, how did our moon form in comparison to other moons, and how is Earth affected by having such a moon? What would it be like if we had a normal sized moon?
EDIT: So Wikipedia... | askscience | http://www.reddit.com/r/askscience/comments/12o2tg/is_our_moon_unique/ | {
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"text": [
"This sounds like an excerpt from Rare Earth theory, but the answer is yes and no.\n\nNone of the other inner, rocky planets have a large moon like ours, and astrophysicists think the mechanism by which it happened has a low ... | [] | [] | [
[],
[]
] | |
2yz9xw | Why was Ancient Athens able to have so much power over many of the other city-states in Greece? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2yz9xw/why_was_ancient_athens_able_to_have_so_much_power/ | {
"a_id": [
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9
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"text": [
"In about 483 B.C. the Athenians found new reserves of silver at the mines of Laurion. The Athenian general Themistocles persuded the Athenian assembly to allocate the expected income from the new mines to expanding the Athe... | [] | [] | [
[],
[]
] | ||
4tau8s | the debt / currency swap between the u.s. and mexico in the 80s | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4tau8s/eli5_the_debt_currency_swap_between_the_us_and/ | {
"a_id": [
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"text": [
"* Currency swap: Mexico couldn't pay its debts so to avoid a default, US first accepted worthless Mexican pesos and gave Mexico dollars with which it can pay its debts. \n\n* Debt swap: Mexico bought about $500 million in US bonds which long time... | [] | [] | [
[]
] | ||
4tit3t | why does dropping heavy objects on the floor not kill the bacteria there? | Like if I drop a flat iron weight onto a smooth hard floor, didn't I technically just flatten all the bacteria into basically nothing? Yet this obviously isn't considered a viable way to kill bacteria. Why? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4tit3t/eli5why_does_dropping_heavy_objects_on_the_floor/ | {
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"text": [
"Neither the floor or the weight are perfectly smooth. Microscopically they are quite jagged. Bacteria slip into all these edges and don't get squished. ",
"I'm sure *some* of the bacteria get squished, but most of t... | [] | [] | [
[],
[]
] | |
3hmvps | why/how do some people become sick more than other people? | Some of my friends become ill really easily - in the last year I can recall some of them missing school at least 10 times due to illnesses. It's at the point where I think their immune systems are made from wet paper. I also call some of them 'pathogen' now. Other people I know are usually sick once a year. Why/How is ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3hmvps/eli5_whyhow_do_some_people_become_sick_more_than/ | {
"a_id": [
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"text": [
"This is a tough one to answer as there are many factors. Look at it as a tank (your immune system). There are several types of defenses and weapons built in and a lot of factors that influence his good your tank is at protec... | [] | [] | [
[],
[]
] | |
43etrm | why are the lungs so sensitive to water? | Even a tiny bit of water, even if the water itself doesn't restrict breathing significantly. In my town, this man stood out in a drizzle during a funeral for two and a half hours. Perhaps he was extra sensitive but the moisture got to his lungs, and his lungs became inflamed. He died two days later. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/43etrm/eli5_why_are_the_lungs_so_sensitive_to_water/ | {
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"ELI5: Within the lungs, the surfaces where our breath meets the blood stream have to be at a near-perfect moisture balance in order for the oxygen and other gases/chemicals to be exchanged from air to blood efficiently. \n\nWhen they get too wet,... | [] | [] | [
[]
] | |
2hsx9h | Is the energy released by burning wood equivalent to the amount of energy it took to create that piece of wood? | askscience | http://www.reddit.com/r/askscience/comments/2hsx9h/is_the_energy_released_by_burning_wood_equivalent/ | {
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"text": [
"No, more energy is required to create the compounds than is stored in the compounds, because the production of them also required the metabolic maintenance of the plant which was constructing them.\n\nImagine the fat cells in your own body - an a... | [] | [] | [
[]
] | ||
46lly6 | why did they close so many insane asylums and what did they do with the people who were institutionalized there? | I never quite understood this. I read it was due to state budget cuts and that people were just tossed on the street, but I don't know. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/46lly6/eli5_why_did_they_close_so_many_insane_asylums/ | {
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"text": [
"Another thing that was common place was the poor treatment of the people there. There was a really intense documentary about it: \n\n_URL_0_\n\nAs for the people, I was under the ... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Titicut_Follies"
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[]
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11if14 | Already asked this question to /r/askhistory a while ago and I got some great answers but I want more info. What allowed the U.S. and Canada to be more successful than the rest of the American continent. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/11if14/already_asked_this_question_to_raskhistory_a/ | {
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"The US is the best piece of land on the planet. Two oceans to both sides, desert to the south, forests to the north. Lots of resources. The mississippi basin has more navigatable waterways than the rest... | [] | [] | [
[],
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eh3xdq | how do we know that statistics works? | I'm taking statistics this year, and one thing is we learn is determining if a hypothesis is significant or not. There are various methods on doing that, but the process seems rather artificial. Feels as though we're just plugging and chugging. How do we know that it makes sense to do these operations and how do we kno... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/eh3xdq/eli5_how_do_we_know_that_statistics_works/ | {
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"The point about statistics is to figure out how likely we are to be wrong if our underlying assumptions are true.\n\nWe know it works from the myriad of ways statistics is used to predict real events, ... | [] | [] | [
[],
[],
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] | |
2kmbjd | Did any US Presidents come close to 3 terms before FDR? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2kmbjd/did_any_us_presidents_come_close_to_3_terms/ | {
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"Teddy Roosevelt, with his Bull Moose Part in 1912 was probably the closest - I believe he garnered almost 30% of the vote as a third party.\nGeorge Washington certainly could have stayed if he had wanted, but he was relucta... | [] | [] | [
[],
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"http://en.wikipedia.org/wiki/United_States_presidential_election,_1824"
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896j36 | What makes a chemical dangerous to smell? | askscience | https://www.reddit.com/r/askscience/comments/896j36/what_makes_a_chemical_dangerous_to_smell/ | {
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"If it's going to react with your mucus membranes you probably don't want to smell it. Further, if it is generally a toxin or mutegen, giving it almost direct access to your blood stream is probably a bad idea. (Sorry for th... | [] | [] | [
[],
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fvyeti | Why did Euopeans settle the Americas, instead of just "managing" them like with Africa, India and SE Asia? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/fvyeti/why_did_euopeans_settle_the_americas_instead_of/ | {
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"While you wait for an answer to your specific question, you may be interested in these prior answers, especially the first:\n\n* [What are the main differences between the colonization styles of European colonial powers](_URL_0_), answer by /u/dr... | [] | [] | [
[
"https://redd.it/91qfvn",
"https://www.reddit.com/r/AskHistorians/comments/bto2kb/what_defines_a_colony/",
"https://www.reddit.com/r/AskHistorians/wiki/southamerica#wiki_racial_differences_between_north_america_and_latin_america"
]
] | ||
1xnoku | why are there side effects from taking antibiotics? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1xnoku/why_are_there_side_effects_from_taking_antibiotics/ | {
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"The simplest explanation is: antibiotics kill all bacteria. Antibiotics are used when your disease is caused by bacteria, but your body also has lots of beneficial bacteria, especially in your digestive system. Killing all of the \"good\" bacteri... | [] | [] | [
[]
] | ||
ngm0n | If antimatter had 'won out' at the origin of the universe, could we hypothetically have wound up with a universe just like ours, but made of antimatter? | I'd assume the answer is yes, unless there's something I'm missing here. Could the good people of r/askscience help me out? | askscience | http://www.reddit.com/r/askscience/comments/ngm0n/if_antimatter_had_won_out_at_the_origin_of_the/ | {
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"Wouldn't it just be called matter then?",
"Well, from antimatter's perspective, we are the antimatter.",
"Antimatter and matte... | [] | [] | [
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1zsyey | what would be the mass of a black hole the size of a proton or electron, compared to the actual mass of those elements ? | askscience | http://www.reddit.com/r/askscience/comments/1zsyey/what_would_be_the_mass_of_a_black_hole_the_size/ | {
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"An electron doesn't have a \"size\" *per se*. A proton, since it's made up of other stuff, does have a size, about 1fm (fermi or femtometer, 10^-15 m). Which is a black hole of about [6.73x10^11 kg](_URL_0_). Let's just cal... | [] | [] | [
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"http://en.wikipedia.org/wiki/Electron_radius",
"http://answers.yahoo.com/qu... | ||
40mrwu | what determines a helicopters top speed? | I know that certain helicopters are a lot faster than others, but I wanted to know how and why this is the case.
Is it just down to the size of the engine? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/40mrwu/eli5_what_determines_a_helicopters_top_speed/ | {
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"the blades cant move forward faster than speed of sound. or can but the energy required for more speed is so huge its not worth it. (simplified, there is also some aerodynamic properties of flapping the blades that does not... | [] | [] | [
[],
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] | |
284zmv | Do humans have the ability to throw off or alter the earth's rotation? | For example, if we were to spend a long time moving rocks, dirt, etc. to one particular hemisphere or position on earth, would we actually impact the rotation or 'wobble' that our planet has? It would seem like theoretically, if we were to make one side of earth far lighter than the other side, it would have to make s... | askscience | http://www.reddit.com/r/askscience/comments/284zmv/do_humans_have_the_ability_to_throw_off_or_alter/ | {
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"Rough calculations of the entirety of the mantle (the rocky parts) of the earth (_URL_2_) give the total mass at about 2.18% of the earths total mass.\n\nThat would be taking all the rock from the planet and moving it to one... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Isostasy",
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"http://www.madsci.org/posts/archives/1999-11/943288749.Es.r.html"
],
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"http://en.wikipedia.org/wiki/Fluctuations_in_the_length_of_day"
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3mz5tk | what is happening between russia and the us with syria and isis? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3mz5tk/eli5_what_is_happening_between_russia_and_the_us/ | {
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"so Syria's government has been fighting in a brutal civil war with many different factions composed of the 70% of Syrians who are Sunni Muslims. \n\nRussia is allied with Syria's government and has been supporting them with ... | [] | [] | [
[],
[]
] | ||
pjnh2 | ayn rand's objectivist philosophy | I'm trying to read up on it, but it's going WAY over my head. It seems like most people either love it or hate it. Can someone give me the run-down? All I know is that it's an extremely individualist (and materialistic?) philosophy. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/pjnh2/eli5_ayn_rands_objectivist_philosophy/ | {
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1lrh3f | Why did China not have a warrior class and code (like samurai/bushido, knights/chivalry, etc)? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1lrh3f/why_did_china_not_have_a_warrior_class_and_code/ | {
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"text": [
"This question can be relayed back to the Military Revolution Theory, which states that the Western powers were able to become superior in other parts of the world thanks to their trained troops, star forts and battleships. ... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Military_Revolution"
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[]
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11cxkb | why is it so hard for our body to handle a cold? | Ever when I get a cold, it takes at least one week to deal with it, sometimes even two. Taking medicaments doesn't push on the healing, just makes it more bearable. Why does it takes us so long? Why don't we develope something to immune ourselves?
Thanks :) | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/11cxkb/why_is_it_so_hard_for_our_body_to_handle_a_cold/ | {
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"The way I understand it, kiddo, is that 'the cold' is just a name for a seemingly endless array of different but very very similar viruses. Our body suffers ... | [] | [] | [
[],
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6pq4i2 | How do historians cope when they see inaccurate in "historical films"? | I am a history fan meaning most of the things that I learned about history are not exactly from the most trusted sources like history lessons at university campuses but I try my best to use very relevant references to learn about history.
But I will admit that some of the things that I thought that I learned about his... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6pq4i2/how_do_historians_cope_when_they_see_inaccurate/ | {
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"There are many different ways historical films 'manipulate' events for entertainment value. Some of these are ostentatious, while others are so subtle you might not immediately understand WHY the manipulations are consider... | [] | [] | [
[
"https://www.theguardian.com/film/2004/jun/10/features.features11"
],
[]
] | |
1vw74q | How do rocket scientists calculate the trajectories of rockets/satelites? | For example, how do they calculate a launch trajectory so precisely? With things like air resistance, air pressure changes, and even the minute changes in gravity as you pass over different patches of earth. Furthermore, how do they account for all the gravitational influences of the planets while flying through space?... | askscience | http://www.reddit.com/r/askscience/comments/1vw74q/how_do_rocket_scientists_calculate_the/ | {
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"A lot of those forces are not actually that significant (with the exception of air resistance, which can be and is calculated). The forces of other planets are practically negligi... | [] | [] | [
[],
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"http://en.wikipedia.org/wiki/Closed-loop_transfer_function",
"http://en.wikipedia.org/wiki/Aerodynamics"
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[]
] | |
39ogv9 | What is responsible for the high directionality of stimulated emission in LASER devices? | Would an imagnary laser device with invisible housing components emit light in 360 degrees? | askscience | http://www.reddit.com/r/askscience/comments/39ogv9/what_is_responsible_for_the_high_directionality/ | {
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"A laser is made from two basic optical components: the lasing medium (sometimes called the gain medium), and the resonant optical cavity (constructed of two mirrors facing each other).\n\nThe gain medium is excited to provoke spontaneous emissio... | [] | [] | [
[]
] | |
3i001d | where did the stereotype of the stupid/gun toting american come from? | America is great at exporting its culture, so how did the stereotypical southerner become the stereotype for all of America across the world? Usually stereotypes form from some sort of hate groups but how could one be powerful enough to stereotype a country? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3i001d/eli5_where_did_the_stereotype_of_the_stupidgun/ | {
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"TLDR: People remember things that they see or hear and are too quick to take it as fact, then they act on the information by stereotyping.\n\nELI5: Some think all US people are [Yosemite Sam](_URL_0_)\n\n\nPeople tend to put... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Yosemite_Sam"
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7icen3 | How could ancient Persia sustain a world-beating Empire when modern day Iran appears to be so hostile to agriculture? | Long story short, this question was inspired by my looking at Google Earth. I looked around modern day Iran trying to find green: something that appears like it could support enough agriculture to support 100,000 strong armies. I failed. Iran appears to be very mountainous, lacking in any major rivers that I could find... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7icen3/how_could_ancient_persia_sustain_a_worldbeating/ | {
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"I'm not sure I understand the premise of your question. The present population of Iran, which is not (and has never been) under particular threat of famine is 80 million people. Nor was it under such threat before the discovery of oil.\n\nThere ... | [] | [] | [
[]
] | |
2bw0j1 | When faced with collapse, why could the Roman Empire not simply fall back and defend Italy? | It's something I always wondered. When things got bad, why did the Romans in the West not simply abandon their frontier and hold Italy? Why did they allow Rome and the Italian heartland to be raided over and over while trying to hold Africa and Gaul/Germania? It seems logical that when you see you're overextended to si... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2bw0j1/when_faced_with_collapse_why_could_the_roman/ | {
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"I suppose the last question I have is what happened to the Romans manpower over time that prevented them from responding to the tribes?\n\nFor example, in the Punic Wars, Rome lost tens of thousands of ... | [] | [] | [
[],
[],
[]
] | |
39s65v | what is a real feminist? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/39s65v/eli5_what_is_a_real_feminist/ | {
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"I met a real feminist once. Real feminism is about equality and moving and advancing women in modern society so that they can have equal opportunities in life and so that they can ... | [] | [] | [
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3g1itc | Pike and Shot - How did it work? | I've been binging on EU4 and realized I have a very poor understanding of "pike and shot" warfare that took place during the period. About all I "know" is that the Spanish Tercio was a mixed battalion of pikemen and arquebusiers and that the big question was how many guns per unit.
This begs a few questions
1) Cold ... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3g1itc/pike_and_shot_how_did_it_work/ | {
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" > 1) Cold steel must have been common enough to justify arming a chunk of your men with weapons to stand around and get shot at. I do know that this eventually led to the development of the bayonet and early bayonet fencing was based on pike dr... | [] | [] | [
[]
] | |
4t9r9p | what is a concept album? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4t9r9p/eli5_what_is_a_concept_album/ | {
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"A concept album tells a story throughout all of the songs, and usually is represented in the album's artwork and publicity as well. As ... | [] | [] | [
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hj0d1 | What are your favorite humorous/absurd scientific papers? | A recent post reminded me of the [anonymous Nature paper](_URL_1_).
For supplemental videos, [this one](_URL_0_) of someone dropping ants on their coworker is pretty funny. So is [this one](_URL_2_) where people attempt to perform scent tracking like dogs.
*****
Edit: Please link directly to peer reviewed publicatio... | askscience | http://www.reddit.com/r/askscience/comments/hj0d1/what_are_your_favorite_humorousabsurd_scientific/ | {
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"Recently from another subreddit: an article in ... | [] | [
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"http://www.nature.com/nature/journal/v226/n5248/abs/226869a0.html",
"http://www.nature.com/neuro/journal/v10/n1/suppinfo/nn1819_S1.html"
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"http://www.bmj.com/content/341/bmj.c6812.full",
... | |
9vq8vu | why does our tongue get stuck to a pole when it’s cold? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9vq8vu/eli5_why_does_our_tongue_get_stuck_to_a_pole_when/ | {
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"When the tongue contacts the pole heat flows out of the tongue and into the pole. Since the metal pole can conduct heat well this can cool the surface of the tongue dramatically, f... | [] | [] | [
[],
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303lxx | Would a black hole just look like a (fading, redshifting) collapsing star frozen in time? | I've always heard that due to the extremely warped space-time at a black hole's event horizon, an observer will never see something go beyond the horizon and disappear, but will see objects slow down exponentially (and redshift) as they get closer to the horizon. Does this mean that if we were able to look at a black h... | askscience | http://www.reddit.com/r/askscience/comments/303lxx/would_a_black_hole_just_look_like_a_fading/ | {
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"[This](_URL_1_) black hole from interstellar was said to be the most realistic rendering of a black hole to ... | [] | [] | [
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"http://www.newscientist.com/data/images/ns/cms/dn26966/dn26966-3_1200.jpg"
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6g1zfr | Why does the Lorentz force act in the direction of the cross product? | In school we have learned that the Lorentz force acts on a moving charge that propagates through a magnetic field. We have also done the calculations with the cross product and gone through its various applications.
I do understand the mathematical part of it but when I asked my teacher why exactly this is true, she ne... | askscience | https://www.reddit.com/r/askscience/comments/6g1zfr/why_does_the_lorentz_force_act_in_the_direction/ | {
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"Just to start of, the Lorentz force generally refers to the electric *and* magnetic force. The magnetic force is given by q(v x B), but the electric force is not given in terms of a cross product. \n\n\nSo considering the magnetic force, you coul... | [] | [] | [
[]
] | |
3na8w2 | why do snipers open their mouth when shooting? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3na8w2/eli5_why_do_snipers_open_their_mouth_when_shooting/ | {
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"IIRC it has to do with snipers having to time their breathing with their heartbeat. Supposedly you should pull the trigger when your body moves the least an... | [] | [] | [
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3yedq4 | is the recent outbreak of deadly tornadoes a result of climate change? if so, can we expect to see a higher volume of them this spring when tornadoes are more prevalent? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3yedq4/eli5_is_the_recent_outbreak_of_deadly_tornadoes_a/ | {
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"text": [
"I think it would be disingenuous to say yes because of one or two weird years of anecdotal observations, but science predicts this is the kind of weather we w... | [] | [] | [
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[]
] | ||
y27dj | Currently doing some reading on U.S history, can anyone recommend some films set in 19thC USA (except for Gangs of NY and Westerns) please? | It's Herrings *'From Colony to Super Power, U.S Foreign Relations since 1776'* and I would like to get a better impression on the social, archietectual, speech, everything on the American way of life at the time of the 1800's, prefferably in the cities rather than frontiers. Gangs of NYC was a good film and sets the sc... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/y27dj/currently_doing_some_reading_on_us_history_can/ | {
"a_id": [
"c5ro2n3"
],
"score": [
3
],
"text": [
"La Amistad is a great film about the slave ship of the same name that landed on America's eastern seaboard. It is based on the true story and while sporting some historical exaggerations is very entertaining."
]
} | [] | [
"http://cf.mp-cdn.net/ca/e9/e05c080023af376dbe7c1da019fd.jpg"
] | [
[]
] | |
77lycr | Where do we get will power from? Is there a brain region or a chemical associated with increased or diminished will power? | I'm in my late 30's, and recently have found that my will power with regard to staying in shape is a lot higher than it has ever been. There are obvious psychological reasons why really feeling my mortality (something that apparently happens around this age) will cause me to add value to a project like maintaining my h... | askscience | https://www.reddit.com/r/askscience/comments/77lycr/where_do_we_get_will_power_from_is_there_a_brain/ | {
"a_id": [
"dopumyb"
],
"score": [
3
],
"text": [
"As you say, the willpower you're describing is not, strictly physiologically speaking, a \"brain vs body\" issue. Your body (including the brain) sends chemical and neuronal signals to your conscious mind to indicate a need to eat, sleep, etc. Un... | [] | [] | [
[]
] | |
7n1cpe | why do celebrities do random photoshoots that are not a collaboration with a large brand? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7n1cpe/eli5_why_do_celebrities_do_random_photoshoots/ | {
"a_id": [
"dry93n2"
],
"score": [
2
],
"text": [
"They get paid enough to make it worthwhile. It's a job.\n\nA job where everyone kisses their ass and pretends to care about them, but it is just a job. Unless they have some particular reason to refuse good money, they do jobs that offer it. \... | [] | [] | [
[]
] | ||
e80m4d | why would a video of a still image take up less space than a video with moving frames? | I figured that the lines still have to be drawn every frame anyway regardless if they are the same or not | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/e80m4d/eli5_why_would_a_video_of_a_still_image_take_up/ | {
"a_id": [
"fa8d4zq"
],
"score": [
10
],
"text": [
"Videos use something called [inter-frame compression](_URL_0_) to shrink the videos. Instead of storing each frame in full, they store only some frames in full, and between them they store inter frames which only contain the difference from the ... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Inter_frame"
]
] | |
3kg0w4 | electrocution and circuits - if a electric circuit needs to be complete for current to flow, why do you get electrocuted (or shocked, if you don't die) when you touch a wire and then touch ground? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3kg0w4/eli5_electrocution_and_circuits_if_a_electric/ | {
"a_id": [
"cux2zs2",
"cux3j2a"
],
"score": [
9,
2
],
"text": [
"you are completing the circuit... the ground is always a ground, the earth is a big place and will accept all the voltage you offer it.\n\nSo if your holding something hot and offer it a path to the earth, you will get zappe... | [] | [] | [
[],
[]
] | ||
37jkjq | how does _url_0_ direct me to the correct domain every time even though they change so frequently? | Every time I type _URL_0_ into my browser it always brings me to the correct domain. How are they able to do this considering they keep getting their servers and stuff seized? It seems obvious to stop this from directing properly for easy access no? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/37jkjq/eli5_how_does_thepiratebayorg_direct_me_to_the/ | {
"a_id": [
"crn81ja"
],
"score": [
2
],
"text": [
"DNS lookups make the world go round. I could change my physical server and location every day, as long as I keep a DNS server updated with the correct information traffic will get there"
]
} | [
"Thepiratebay.org"
] | [
"Thepiratebay.org"
] | [
[]
] | |
2if0y4 | why do players in the nfl get penalized for doing a touchdown celebration? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2if0y4/eli5_why_do_players_in_the_nfl_get_penalized_for/ | {
"a_id": [
"cl1nk42"
],
"score": [
10
],
"text": [
"It's like saying \"neener neener I got a td. You suck.\" And apparently that upsets some people. \n\nPersonally I think they should be able to. It's a good feeling getting a td. "
]
} | [] | [] | [
[]
] | ||
2sjw50 | Why might a mouse survive a fall from a large height while a human would probably die? | Basically, smaller animals seem to be less affected falling from a really long distance (say, out of a tree). A human or a large animal would at least have broken bones or could even die from internal injuries. | askscience | http://www.reddit.com/r/askscience/comments/2sjw50/why_might_a_mouse_survive_a_fall_from_a_large/ | {
"a_id": [
"cnqi43f"
],
"score": [
5
],
"text": [
"It's the square-cube law. Mass increases as (size)^3, and bone strength only increases as (size)^2. So the bones of a mouse are much stronger relative to its mass than the bones of a human. You can get around that to a certain extent by making... | [] | [] | [
[]
] |
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