q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
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3uk92g | how do some very healthy people have such adverse physical reactions to cigarette smoke, while unhealthy people smoke all the time and don't have the same reactions? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3uk92g/eli5_how_do_some_very_healthy_people_have_such/ | {
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"Perhaps it is the same reason non-celiac gluten-intolerant have adverse reactions to wheat after eating it their whole lives.",
"I have an IgA deficiency which means the linings of my mouth/lungs/stomach (\"mucus linings... | [] | [] | [
[],
[]
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1d11fr | Will successive plastic surgeries across generations make future generations more beautiful ? | I saw this article today about the [Korean Beauty Pageant] (_URL_0_) and I am curious - will plastic surgery across successive generations make changes to future generations permanent? e.g. straightening the nose ?
edit: Added minor clarification to the question. | askscience | http://www.reddit.com/r/askscience/comments/1d11fr/will_successive_plastic_surgeries_across/ | {
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"Evolution is, in part, the tendency to select for heritable traits that improve fitness. Let's simplify things, and suppose there is a single gene that controls whether someone is attractive or not. Someone born with the \... | [] | [
"http://www.reddit.com/r/funny/comments/1d0784/koreas_plastic_surgery_mayhem_is_finally/"
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[],
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18yq89 | Why do chewing gums that have their main ingredient as sugar/corn syrup still include Aspartame in their recipe? | I've noticed this in a few products, but the one I have in front of me is Big League Chew...
- Sugar
- Gum Base
- Corn Syrup
- Glycerol
- Natural and artificial flavors
- Soy lethicin
- Acesulfame-Potassium
- Aspartame
- BHT
- Corn Starch, Color (Allura Red)
Wouldn't the sugar and corn syrup sweeten it enough? Is the... | askscience | http://www.reddit.com/r/askscience/comments/18yq89/why_do_chewing_gums_that_have_their_main/ | {
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"Here's a quotation from Wrigley on the subject: \n\nThe Wrigley Company utilises the high intensity sweetener, Aspartame,\nin a number of its products - as the primary sweetener in some of our\nsugarfree brands and as a fla... | [] | [] | [
[],
[]
] | |
1cfhx8 | why does cleaning or organizing make a person feel better if they're upset? | I really just don't get it. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1cfhx8/eli5_why_does_cleaning_or_organizing_make_a/ | {
"a_id": [
"c9fzg32"
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"score": [
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"text": [
"It's about control. Most of what upsets us makes us feel that way because we have no control over it... or at least we *feel* like we have no control over it.\n\nSo we take control of something else instead. Some people run or workout, some peop... | [] | [] | [
[]
] | |
518f0u | How are precious stones like diamonds and sapphires lab grown? | askscience | https://www.reddit.com/r/askscience/comments/518f0u/how_are_precious_stones_like_diamonds_and/ | {
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"Saphire is typically made directly from molten Alumina, from which one can grow large crystals in a variety of ways, The saphires are given their color by adding small amounts of transition metal salts to the melt.\n\nMost synthetic diamonds are ... | [] | [] | [
[]
] | ||
40qjt5 | if the pigment of a plant is a color other than green, then is a different spectrum of light required for it to grow correctly? | For example, since most plants are green, they will ignore green light. Does it work the same way for a purple plant? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/40qjt5/eli5_if_the_pigment_of_a_plant_is_a_color_other/ | {
"a_id": [
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"Plants are green mainly because chlorophyll reflects more green light than red or blue. The plant is absorbing red and blue light and turning it into energy, whereas they're reflecting relatively more green light, which is why our eye see it as g... | [] | [] | [
[]
] | |
2jd3b4 | how can car dealerships claim to sell something below cost? wouldn't that be false advertising? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2jd3b4/eli5_how_can_car_dealerships_claim_to_sell/ | {
"a_id": [
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"score": [
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"text": [
"Not if they're actually selling it below cost. Taking a small hit on a car which just won't sell is often better than letting it sit around and take up inventory space forever. ",
"Most dealers do sell cars for below cos... | [] | [] | [
[],
[]
] | ||
4i4evq | Has the idea of a united Caribbean (as a country) existed? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4i4evq/has_the_idea_of_a_united_caribbean_as_a_country/ | {
"a_id": [
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"text": [
"(1/2)\n\nWell, the answer to this question - at least from the perspective of the context with which I'm most familiar, which is the British Caribbean - is a little complex and involves getting into a lot of regional political history, so brace ... | [] | [] | [
[]
] | ||
15pktu | When do horses first appear in written records? | And what was the context? I'm curious whether domesticated horses predate the invention of writing. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/15pktu/when_do_horses_first_appear_in_written_records/ | {
"a_id": [
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"text": [
"It's close; beginning of the 4th millennium steppes for the domestication of the horse (spread over large areas during the 3rd millennium) with the invention of writing in the Near East in the later 4th millennium, with established practice over ... | [] | [] | [
[]
] | |
5ommgc | Were medieval soldiers given uniforms? | Were they given matching soldiers like our armies today? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5ommgc/were_medieval_soldiers_given_uniforms/ | {
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"I'd also be interested to know if they were given uniforms, and what role family or place of origin played in how they dressed for the battlefield? Which was more important?",
"The concept of uniform is quite modern, you... | [] | [] | [
[],
[]
] | |
58hewu | why does the left-wing of us politics tend to still be very right-wing and conservative in comparison to european political parties (including the uk even tho it's not a part of the eu) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/58hewu/eli5_why_does_the_leftwing_of_us_politics_tend_to/ | {
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2xokgg | Can an 'anti-star' exist? | Can a star made of the anti-matter counterparts to normal stars exist? | askscience | http://www.reddit.com/r/askscience/comments/2xokgg/can_an_antistar_exist/ | {
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"text": [
"Can it exist? Yes, nothing about antimatter expressly forbids it from forming into a star. However, there is no evidence that one does exist in our universe and the prevalence of matter makes it highly unlikely that it wou... | [] | [] | [
[],
[]
] | |
8ga9do | Do galaxies spin like a vortex? | (I'm tasked with artistic license on this one) but do galaxies revolve like a vortex; faster towards the center? or is it a static 'bicycle wheel' rotation?
also if it is like a wheel, how come? | askscience | https://www.reddit.com/r/askscience/comments/8ga9do/do_galaxies_spin_like_a_vortex/ | {
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"text": [
"Since most of the visible matter in a galaxy is concentrated in the center, we would expect it to rotate like a vortex, with the velocity decreasing with radial distance. However, observations show that the variation of vel... | [] | [] | [
[
"https://upload.wikimedia.org/wikipedia/commons/b/b9/GalacticRotation2.svg"
],
[
"https://en.wikipedia.org/wiki/Galaxy_rotation_curve",
"https://commons.wikimedia.org/wiki/File:Rotation_curve_eqs.jpg",
"https://en.wikipedia.org/wiki/Density_wave_theory"
]
] | |
3hfv6i | how do stds spread so easily to younger generations? | My reasoning is a bit hard to explain, but...you can't just magically contract stuff like HIV, you get it through sexual contact with someone who had it before. But if a younger group of people is only having sex among themselves, how does it get into a community and start spreading? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3hfv6i/eli5_how_do_stds_spread_so_easily_to_younger/ | {
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"text": [
"The disease obviously works its way in from older people, which isn't hard to imagine. Young people tend to be fairly reckless about sex, so there's plenty o... | [] | [] | [
[],
[],
[],
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[]
] | |
3xibfp | Why didn't jews and others affected by ww2 escape away from Europe, before nazis even invaded their countries or before the war started? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3xibfp/why_didnt_jews_and_others_affected_by_ww2_escape/ | {
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"text": [
"The first part of the answer is that many did. A huge proportion of the pre-Nazi German-Jewish population emigrated before the war.\n\nI assume you're asking why they didn't all, though. For the most ... | [] | [] | [
[],
[],
[]
] | ||
5rg66f | How do we define what culture ancients belonged to? | I realize This is more of a method discussion and i certainly don't expect a definitive answer here.
I've been toying around with an essay about Commonwealth Iceland, specifically my assumptions that Icelanders around 1000 were not Norwegians.
I have a hard time though defining excactly what these terms mean and if... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5rg66f/how_do_we_define_what_culture_ancients_belonged_to/ | {
"a_id": [
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"text": [
"I'm not an ethnic historian by any means, but working with questions of identification in the ancient world I hope I can share a thing or two that might be useful, as well as try to streamline my thoughts on the matter a bit. This is a very virul... | [] | [] | [
[]
] | |
267rtg | Mohammed's view on Greek philosophy | Hello:
Several years ago I was watching a show on Islam on the Discovery Channel/History Channel. The show quoted Mohammed as saying, something about the dangers of Greek philosophy. After considerable searching on my own, I never found any such quote. Does anyone have any insight into this? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/267rtg/mohammeds_view_on_greek_philosophy/ | {
"a_id": [
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"text": [
"Perhaps the show was referencing Muhammad Al-Ghazali? Not the 20th century scholar but the medieval theologian known more commonly by his kunya Abu Hamid al-Ghazali. \n\nThere are not quotes from the Prophet Muhammad about Greek philosophy. The c... | [] | [] | [
[]
] | |
4w8wbn | when we say a food makes our body more alkaline, what does that mean exactly and why is it healthy? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4w8wbn/eli5_when_we_say_a_food_makes_our_body_more/ | {
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"text": [
"The idea is this. Your body has an \"acidity\" (commonly called pH) that is based on diet, stress levels, activity, etc, and the like. Different foods wil... | [] | [] | [
[],
[],
[
"http://medical-dictionary.thefreedictionary.com/PH+level",
"https://en.wikipedia.org/wiki/Homeostasis#The_extracellular_fluid_pH_homeostat",
"https://en.wikipedia.org/wiki/Acidosis"
],
[],
[]
] | ||
6bnb07 | [Physics] If matter can't move faster than light, how did the inflationary epoch of the big bang make the universe much bigger than one lightsecond in radius in one second? | askscience | https://www.reddit.com/r/askscience/comments/6bnb07/physics_if_matter_cant_move_faster_than_light_how/ | {
"a_id": [
"dhp05rn"
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"score": [
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"text": [
"Matter can't move through the coordinates of spacetime with a velocity of c, but that speed limit does not apply to the changing geometry of spacetime itself. Inflation is not the spreading of matter through space, rather it's the early expansio... | [] | [] | [
[]
] | ||
23c6pc | is sarcasm universal? | Do all known languages have some form of sarcasm, and if so do they express it in analagous ways? Is there any sort of research into the origin and evolution of sarcasm? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/23c6pc/eli5_is_sarcasm_universal/ | {
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2cdndx | how can a website like _url_0_ still exist, when google has a virtual monopoly as a search engine? | I can't imagine it's cheap to maintain/advertise for a website like Ask. How are they still up and what are they trying to achieve? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2cdndx/eli5how_can_a_website_like_askcom_still_exist/ | {
"a_id": [
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"text": [
"A few thoughts that came to my mind.\n\n_URL_1_ has it's \"famous\" toolbar. \nIt's their way of gaining attention. It makes _URL_0_ your default search engine and people who don't know better just keep it this way.\nWhich m... | [
"Ask.com"
] | [] | [
[
"aks.com",
"Ask.com"
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[]
] | |
2b19gt | How does blood get to every cell? | Do blood vessels get small and numerous enough to directly supply cells? Or does it work like a p2p network with blood cells going between cells. | askscience | http://www.reddit.com/r/askscience/comments/2b19gt/how_does_blood_get_to_every_cell/ | {
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"text": [
"Yes blood vessels can branch out untill they are so small that they are approximately the diameter of a single red blood cell ( so called capillary vessels... | [] | [] | [
[],
[],
[
"http://imgur.com/NO4xTfc"
],
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[]
] | |
8x421t | why is infrared light used to keep food warm when uv light is higher energy? | E: I'm curious at why infrared is used in particular and not other higher energy wavelengths.. Also I guess since you're all here, why can't we go "down the scale" to keep our food warm? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8x421t/eli5_why_is_infrared_light_used_to_keep_food_warm/ | {
"a_id": [
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"score": [
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3,
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"text": [
"UV light can cause sunburns and gradual eye damage to people working with it. And infrared is already plenty powerful enough.",
"You're confusing something. UV light is higher energy *per unit* only... | [] | [] | [
[],
[],
[]
] | |
2s3n78 | to prevent water and shock damage, why can't the electronic components within mobile phones just be encapsulated in an airtight rubber or plastic coating/mould? | Why are phones still manufactured using screws and glue seals when they could just be integrated into a rugged airtight mould, and just using wireless charging for charging and Bluetooth for headphones etc?
Edit: Spelling. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2s3n78/eli5_to_prevent_water_and_shock_damage_why_cant/ | {
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"The cost of doing so exceeds the off chance you are going to drop your phone in the toilet.\n\nAlso, since most people get a new phone ... | [] | [] | [
[],
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[
"http://www.liquipel.com/"
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4wkh6z | What is the basis of Suetonius being called, by many, a tabloid journalist of ancient Rome? What differentiates him as a source from other, more respectable ones? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4wkh6z/what_is_the_basis_of_suetonius_being_called_by/ | {
"a_id": [
"d67x9uy"
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"score": [
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"text": [
"First of all, Suetonius isn't any worse a source than any we have for ancient Rome. Even the bit that give him this poor reputation are terribly useful.\n\nThe accusation of Suetonius being little more than a tabloid is common enough I wasn't a... | [] | [] | [
[]
] | ||
29o7xs | why can i still smell poop when it's totally submerged? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/29o7xs/eli5_why_can_i_still_smell_poop_when_its_totally/ | {
"a_id": [
"cimujtt",
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"score": [
3,
2,
2
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"text": [
"You can't. You smell it from your asshole, from it's trip between your asshole and the water and from the fartiness that snuck out during said poop. If you could smell stuff through water you're entir... | [] | [] | [
[],
[],
[]
] | ||
2thxda | why is every other version of windows terrible? | This has been a pattern for over 15 years: 98 was good, ME was garbage, XP was great, Vista sucked, 7 is good, 8 was crap, and now I'm hearing that the next version is going to be good. This pattern seems too consistent to be pure chance, is it some strange marketing strategy they have or what? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2thxda/eli5_why_is_every_other_version_of_windows/ | {
"a_id": [
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"text": [
"Microsoft's main clients are governments and big corporations. Basically they have contracts that make them release a new OS every 2 years, no matter if it makes sense or not. \n\nWith that said, I do... | [] | [] | [
[],
[],
[]
] | |
1ssqex | How do specific organs (eyes, wings, etc) evolve slowly over time? | Basically, it seems like these organs would not function properly if they were not fully formed, thus reducing that creatures chance of survival. But, to genetically mutate fully formed and functioning organs in one generation seems like a big stretch. Any answers? | askscience | http://www.reddit.com/r/askscience/comments/1ssqex/how_do_specific_organs_eyes_wings_etc_evolve/ | {
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"text": [
"If you for example look at the eye there are a lot of worms that can only sense if there is light or not, with very simple mechanisms. It's not too hard to imagine that this is t... | [] | [] | [
[],
[
"http://www.nsf.gov/od/lpa/news/03/pr0308_images.htm",
"http://en.wikipedia.org/wiki/Planarian",
"http://en.wikipedia.org/wiki/Pigment_spot_ocellus",
"http://en.wikipedia.org/wiki/File:Euglena_diagram.jpg"
],
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ikn5b | What is the significance of the ability to create "artificial life" in the lab and how far away are we from lab grown organ transplants being common procedures? | [Artificial life created in lab.](_URL_1_)
[First fully lab-grown organ successfully transplanted.](_URL_0_)
What other implications in medicine or even other fields are there for these kinds of experiments? Is the future of this type of research even something we can reliably predict, or are there simply too many va... | askscience | http://www.reddit.com/r/askscience/comments/ikn5b/what_is_the_significance_of_the_ability_to_create/ | {
"a_id": [
"c24ix6u"
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"score": [
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"text": [
"The two articles you've linked to have no science in common with one another. I'm not knowledgeable about the organ transplant link, so I'll let someone else comment on it.\n\nThe Venter \"artificial life\" is hugely symbolic in the same sense t... | [] | [
"http://www.theatlanticwire.com/global/2011/07/first-fully-lab-grown-organ-successfully-transplanted/39733/",
"http://www.ft.com/cms/s/2/3dbad5ca-6431-11df-8618-00144feab49a.html#axzz1RZiqCcrD"
] | [
[
"http://onlinelibrary.wiley.com/doi/10.1002/anie.201100535/abstract"
]
] | |
36cqz5 | what is vsync? | How does it affect my in game performance and/or graphic card? Does it turning it on or off would improve my gaming performance? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/36cqz5/eli5_what_is_vsync/ | {
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2,
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5
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"text": [
"It doesn't affect performance, it actually limits your framerate. See, your monitor runs at a fixed refresh rate (usually 60hz), and if the framerate goes over the refresh rate it causes the picture to... | [] | [] | [
[],
[
"http://mygaming.co.za/news/wp-content/uploads/2014/07/Screen-Tearing.png"
],
[]
] | |
1qhuj7 | Was there a Chinese resistance to Japanese occupation similar to the French resistance of Nazi occupation in WW2? Did they make any significant headway? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1qhuj7/was_there_a_chinese_resistance_to_japanese/ | {
"a_id": [
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7
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"text": [
"I'm sure someone will give a better answer than this, but the short answer is that Japan didn't really control much of the interior of China, and actually operated as is common up to the modernday which was controlling citie... | [] | [] | [
[],
[
"http://www.wantchinatimes.com/news-subclass-cnt.aspx?id=20130707000025&cid=1101"
]
] | ||
2m305a | why is social security "running out" ? | I keep hearing that Social Security is running out and people of my generation wont see any penny of the money we are paying now. If this is true, why? And further, how come Social Security is at danger of running out but other welfare systems are not? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2m305a/eli5_why_is_social_security_running_out/ | {
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"The social security is funded by payroll tax, for the benefit of mainly retirees. Problem is that the population of the United States (and pretty much all developed countries) is aging, and the pool of... | [] | [] | [
[],
[],
[]
] | |
2hojlb | the difference between newtonian and einsteinian physics. | If possible, could you summarize the difference between (the main ideas of) the two, and why they are looked at as contrasting concepts? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2hojlb/eli5_the_difference_between_newtonian_and/ | {
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"First, Newton contributed enormously to science, not only by developing the three laws of motion but also developing calculus simply because math at the time *was inadequate to his needs*, that's hardcore.\n\nWe can still us... | [] | [] | [
[],
[]
] | |
65h6yf | why do you see white when you get hit in the eye in a dark room? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/65h6yf/eli5_why_do_you_see_white_when_you_get_hit_in_the/ | {
"a_id": [
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"text": [
"You're optic nerve is stimulated and you end up seeing a random selection of colours. Since you're in the dark everything you see appears white because it's in comparison to the blackness. "
]
} | [] | [] | [
[]
] | ||
1p377z | why did public schools stay open during the government shutdown? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1p377z/eli5_why_did_public_schools_stay_open_during_the/ | {
"a_id": [
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"They are run by the state, not the federal government.",
"They stayed open because public schools funds have already been approved by congress or at least most have. That means that with a few extortions they have no ne... | [] | [] | [
[],
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67m8rf | why cassini needs to crash into saturn to avoid contaminating a moon? | Hi everyone,
I've been following the Cassini mission since I was 16 and there's one thing that I'm confused about. I understand that because of lack of fuel and the complex motion of the Saturn system, the orbit will be harder and harder to predict. The rationale I keep hearing is we wouldn't want to contaminate one o... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/67m8rf/eli5_why_cassini_needs_to_crash_into_saturn_to/ | {
"a_id": [
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"text": [
"Huygens probe is clean, Cassini is not. It's pretty much as simple as that, but there's also that Titan is significantly less inhabitable than Enceladus so if something was hitchhiking it would most likely die."
]
} | [] | [] | [
[]
] | |
1hxug4 | Art Historians: My wife and I have a painting from 1896 that we humbly request your assistance in identifying. | The painting appears to be watercolor and in it's original frame. We've done some searching to try and identify the artist, but so far have come up empty handed. The signature on the painting looks like "R Agrsslin" to me, which clearly isn't correct. Any help is appreciated. Apologies if this is the wrong subreddit - ... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1hxug4/art_historians_my_wife_and_i_have_a_painting_from/ | {
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"text": [
"The post didn't save my imgur link to photos of the paintings, so: _URL_0_",
"You might have better luck posting at arthistory",
"You could try r/whatisthisthing or perhaps _URL_0_ (although you... | [] | [] | [
[
"http://imgur.com/a/cQiQ2"
],
[],
[
"http://www.bbc.co.uk/arts/yourpaintings/"
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4cra5h | Why does the nucleus of an atom increase in mass when it is broken apart? | Why do the nucleons (protons and neutrons) of an atom weigh more when separated then when combined into a nucleus? | askscience | https://www.reddit.com/r/askscience/comments/4cra5h/why_does_the_nucleus_of_an_atom_increase_in_mass/ | {
"a_id": [
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"text": [
"E=mc^2 therefore energy and mass are the same thing. Generically, energy has only two forms: kinetic (i.e. \"movement\" energy) and potential (from interaction). Crucially, when adding up the energy of something, the kine... | [] | [] | [
[],
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] | |
4b2rzq | What was entertainment like in the Soviet Union? | Music, movies, TV shows, etc. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4b2rzq/what_was_entertainment_like_in_the_soviet_union/ | {
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"score": [
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"Follow up and probably a bit trivial (but related) question: \n\nMy impression of th... | [] | [] | [
[],
[],
[],
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"https://www.reddit.com/r/AskHistorians/comments/2pfjyr/we_had_a_red_dawn_was_there_ever_an_equivalent/",
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"https://www.reddit.com/r/AskHistorians/comments/2jpc... | |
2eri73 | Are everyone's small intestines folded up in the same way? | Just thought of this during a biology dissection... and I'm not sure.
Is it genetic, or just random? | askscience | http://www.reddit.com/r/askscience/comments/2eri73/are_everyones_small_intestines_folded_up_in_the/ | {
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"Gastroenterologist here: Short answer - it depends where: \n\n**1)**The small intestine is made up of the duodenum (roughly 12 inc... | [] | [] | [
[],
[],
[
"https://www.youtube.com/watch?v=rs44cXvjbMA"
],
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"http://www.ncbi.nlm.nih.gov/pubmed/21814276",
"http://freethoughtblogs.com/pharyngula/2011/08/06/simple-rules-for-folding-a-gut/#citation"
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[],
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] | |
do6pii | why is boiling water a safe way to kill bacteria while they can build up resistances to antibiotics etc.? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/do6pii/eli5_why_is_boiling_water_a_safe_way_to_kill/ | {
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"because they can't build resistance to being literally burned/cooked to death at \\~100 **°**C",
"For example, there is no vaccine ... | [] | [] | [
[],
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[],
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162xy7 | Did the concepts of feminism or women's equality exist in any Pre-Modern societies? | Were there any demonstrations or uprisings for female equality, or was the idea itself so totally alien no one would think to question anything? If so how was it dealt with? Was it women questioning the status quo, or were men speaking in their stead? Were there any ideas of women being "treated well" that we would now... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/162xy7/did_the_concepts_of_feminism_or_womens_equality/ | {
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"text": [
"Is Lysistrata a valid example, being a fictional character? The women used the only weapon they had to bring men into line and make them _URL_0_'s an interesting reflection on wome... | [] | [] | [
[
"listen.It"
],
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"http://employees.oneonta.edu/farberas/arth/Images/ARTH209images/minoan/knossos_plan.jpg",
"http://www.students.sbc.edu/drahman08/images/3.%20ladies%20in%20blue.jpg",
"http://www.uk.digiserve.com/mentor/minoan/mallia036b.jpg",
"http://books.google.com.au/books/about/The_Mi... | |
385nej | Why are tornadoes always very distinguishable? If they are just wind currents why hasn't there ever been a nearly, if not completely, invisible tornado? | askscience | http://www.reddit.com/r/askscience/comments/385nej/why_are_tornadoes_always_very_distinguishable_if/ | {
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"text": [
"From [Wikipedia](_URL_0_): \"Tornadoes can have a wide range of colors, depending on the environment in which they form. Those that form in dry environments can be nearly invisible, marked only by swirling debris at the base... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Tornado#Appearance"
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"http://en.wikipedia.org/wiki/Tornado"
]
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jet59 | how japan recovered so quickly after ww2 | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/jet59/eli5_how_japan_recovered_so_quickly_after_ww2/ | {
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"Much like West Germany, the United States and Allied Powers poured significant amounts... | [] | [] | [
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8qpk24 | how do pillows that claim to cool your head work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8qpk24/eli5_how_do_pillows_that_claim_to_cool_your_head/ | {
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"text": [
"Thermal conductivity.\n\nEssentially the pillow is at room temperature, but your head is typically ~20°F warmer. Heat, much like a gas, always tries to hit equilibrium (everything at the same temp.) As such. The pillow will... | [] | [] | [
[],
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] | ||
51bn3b | If elements above 83 (+43, 61) are all man made, is it strictly impossible for them to appear in nature? | Watching some Scishow talk about the 'end' of the periodic table and wondering if it was impossible for these supermassive atoms to exist on their own (if, perhaps, for a fraction of a second) | askscience | https://www.reddit.com/r/askscience/comments/51bn3b/if_elements_above_83_43_61_are_all_man_made_is_it/ | {
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"It's not that they're never created naturally, it's that they decay too fast to be found naturally on Earth. All of the material that makes up Earth is the product of stellar fusion that occurred at... | [] | [] | [
[],
[],
[
"https://en.wikipedia.org/wiki/Decay_chain"
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15amgu | getting started with raspberry pi. | I got my hands of a couple of Raspberry Pis and I wanted to give one to my niece for Christmas. I don't really have and other experience with Linux systems so I looked up directions on a Linux Wiki.
_URL_0_
I tried with Win32DiskImager, but I think I'm missing files from other programs that they are assuming I have. ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/15amgu/eli5_getting_started_with_raspberry_pi/ | {
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"text": [
"You should ask in /r/raspberry_pi, you have a better chance of an answer there. Also try the [RaspberryPi forums](_URL_0_)",
"Do not assume that because it doesn't give you a display that you messed up the imaging proce... | [] | [
"http://elinux.org/RPi_Easy_SD_Card_Setup#Copying_the_image_to_an_SD_card_on_Windows"
] | [
[
"http://www.raspberrypi.org/phpBB3/"
],
[]
] | |
2wszt6 | why do different functions of the brain always form in the same regions across humans? | For example Broca's areal is related to speech and is always found in roughly the same spot. Since the brain changes so much during development where is the "layout plan" stored? Is it necessary that all human brains have the same basic layout? Or is there at least some sort of advantage to this fixed layout - like a d... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2wszt6/eli5why_do_different_functions_of_the_brain/ | {
"a_id": [
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2
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"text": [
"It's the same reason we all have roughly the same organ placement, skeletal structure, the same reason our teeth are all in the same order.\n\nEvolution has proven that this is the best set up that has yet to be provided via... | [] | [] | [
[],
[]
] | |
2q5f9s | How does an ethnic group appear? Did one ever disappear? If yes, why? If no, why not? | If a general pattern is hard to describe, are there any examples we can trace with confidence to use as case studies?
Like, I don't know, when and how did a bunch of people living along the Nile start calling and thinking of themselves as the same group of "Egyptian" (pardon me if this example is not accurate) | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2q5f9s/how_does_an_ethnic_group_appear_did_one_ever/ | {
"a_id": [
"cn345i5"
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"score": [
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],
"text": [
"Wouldn't /r/askanthropology be a better place to ask this question? "
]
} | [] | [] | [
[]
] | |
ekjg05 | Are pigeons considered isolated in their respective cities? | Or do populations fly between different cities and breed with each other? | askscience | https://www.reddit.com/r/askscience/comments/ekjg05/are_pigeons_considered_isolated_in_their/ | {
"a_id": [
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36
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"text": [
"This study by [Jacob et al. 2014](_URL_1_) looks into this question for pigeons in western Europe. They found a correlation between increasing genetic distance and larger geographical distances ([see figure](_URL_0_)), ... | [] | [] | [
[
"https://media.springernature.com/lw785/springer-static/image/art%3A10.1007%2Fs10530-014-0713-2/MediaObjects/10530_2014_713_Fig1_HTML.gif",
"https://link.springer.com/article/10.1007/s10530-014-0713-2"
],
[]
] | |
ech91j | How did Malay become the official language of Indonesia and not Javanese? | The Javanese are the largest ethnicity in Indonesia, the capital is located on Java, both Sukarno and Suharto were Javanese, how did Malay become the official language and not Javanese? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/ech91j/how_did_malay_become_the_official_language_of/ | {
"a_id": [
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"text": [
"One of the issues that comes with governing w\nIn the region is the cultural plurality, especially in language. Indonesia has hundreds of different native languages, Javanese being a major one.\nBy this point, Malay had already beed used as a uni... | [] | [] | [
[]
] | |
3rl1if | why do we need to spend nearly one-third of our life sleeping? why did evolution not bring that number down? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3rl1if/eli5_why_do_we_need_to_spend_nearly_onethird_of/ | {
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"text": [
"To fully answer that question, we would need to know exactly why we sleep. At the present time, we do not.\n\nAlso, evolution does not produce change unless the change allows the ... | [] | [] | [
[],
[],
[],
[]
] | ||
22e1vh | What makes light sources appear as crosses on film (and when you squint your eyes)? | EX:
_URL_0_
| askscience | http://www.reddit.com/r/askscience/comments/22e1vh/what_makes_light_sources_appear_as_crosses_on/ | {
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"text": [
" > [Lens flare is the light scattered in lens systems through generally unwanted image formation mechanisms, such as internal reflection and scattering from material inhomogeneities in the lens. These mechanisms differ from the intended image for... | [] | [
"http://m6.i.pbase.com/o6/75/47975/1/149499886.nbat1YuQ.Streetligh_F00058.jpg"
] | [
[
"http://en.wikipedia.org/wiki/Lens_flare"
]
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88s259 | If you cut a tree's branch and plant it in a different place, will the second tree be genetically identical to the first tree?? | Given that the the tree can grow from the cutting. | askscience | https://www.reddit.com/r/askscience/comments/88s259/if_you_cut_a_trees_branch_and_plant_it_in_a/ | {
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"text": [
"The branch will, yes. This is how a lot of fruit plants (and other crops) are kept consistent. They're not grown from seeds, which would involve changes to the genetics, but are all clones or cuttings of the same original p... | [] | [] | [
[],
[]
] | |
1ksx6m | why are western countries not rioting and revolting against their governments, but middle eastern countries are? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ksx6m/eli5_why_are_western_countries_not_rioting_and/ | {
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40yyvf | How much guerrilla warfare occurred after the end of the Civil War? Were there any particular militia groups that attempted to carry on the Confederacy as an official government? | I know that many Confederate veterans founded reactionary pro-Confederate groups like the Ku Klux Klan, but were there actually militias that took to the hills? I remember guerrilla war was threatened but most backed down after General Joseph Johnston surrendered in North Carolina, essentially accepting General Lee's s... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/40yyvf/how_much_guerrilla_warfare_occurred_after_the_end/ | {
"a_id": [
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84,
281,
43
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"text": [
"I'm far from an expert on the subject but I know there were numerous, loosely affiliated white, anti-Republican and white supremacist movements that emerged in the Reconstruction Era. These included... | [] | [] | [
[],
[
"http://www.nytimes.com/2015/03/29/opinion/sunday/why-reconstruction-matters.html"
],
[]
] | |
5pv5f3 | what is my computer doing while i'm not telling it to do something? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5pv5f3/eli5_what_is_my_computer_doing_while_im_not/ | {
"a_id": [
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"text": [
"From a purely practical standpoint it is just sitting there waiting for a command. However if you open up task manager you may see 60+ background processes running. So what gives? Most of these processes have to do with maintaining the function o... | [] | [] | [
[]
] | |
8ojepb | The Holocaust: Death Toll and Terminology | Ive recently had a discussion about the number of people murdered during the holocaust, and that discussion revealed some glaring inconsistencies in peoples opinions about the number of victims.
As a german I am most familiar with a number of around 6 to 7 million, usually split between 5-6 million jewish and 1 millio... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/8ojepb/the_holocaust_death_toll_and_terminology/ | {
"a_id": [
"e03slwo"
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"score": [
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"text": [
"Hi! As this question pertains to basic, underlying facts of the Holocaust, I hope you can appreciate that it can be a fraught subject to deal with. While we want people to get the answers they are looking for, we also remain very conscious that t... | [] | [] | [
[
"https://books.google.com/books?id=_yLm_cHp_REC",
"https://books.google.com/books?id=Z7FiPwAACAAJ",
"http://holocaustcontroversies.blogspot.de/2012/10/index-of-published-evidence-on.html",
"https://books.google.com/books?id=HFB-dkuZzSwC",
"https://books.google.com/books?id=HZmXOPGTGjIC",
"... | |
pm967 | What makes the under arm areas of white clothing turn yellow? Is it the sweat, components of deodorant, or both? Can anything be done to prevent it/Is there any way to get it out? | I've had so many awesome white shirts ruined by the yellow stains. What makes them happen? Is there anything one can do to prevent them? Are there any chemicals that will get it out? Bleach never works for me. Also, some items can't be bleached anyways because there are other colors on them. | askscience | http://www.reddit.com/r/askscience/comments/pm967/what_makes_the_under_arm_areas_of_white_clothing/ | {
"a_id": [
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"score": [
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"text": [
"Eccrine sweat glands are found over most of the body and are the most numerous type of sweat glands. They secrete a type of sweat which is largely composed of water (approximatley 99%). In addition to water, minute amounts of salts, metabolic was... | [] | [] | [
[]
] | |
3mqkv9 | why is volkswagens false emissions test hurting the company's reputation more than other more serious recalls that have killed people? | I understand that it's serious but how is a false emissions test more important than something like an air bag that have killed people?
Is emissions more important than a human life? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3mqkv9/eli5_why_is_volkswagens_false_emissions_test/ | {
"a_id": [
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"It is not that emissions are more important than a human life. It is the fact that in this case, it was a very purposeful lie. And it makes people wonder if they are lying about this, what other things might they be lying about that might directl... | [] | [] | [
[]
] | |
1zebbz | why do wholesalers need distributors to get into retailers? | More accurately, at what scale/circumstance is a distributor necessary? For instance, a micro brewery wants regional distribution and has the product to supply it. Why would they not hire staffers to do it themselves?
Sidebar: I've worked in grocery retail and from my experience, distributors don't do much besides na... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1zebbz/eli5_why_do_wholesalers_need_distributors_to_get/ | {
"a_id": [
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"score": [
3,
2
],
"text": [
"Just because you have the knowledge to make a good beer doesn't mean you have the knowledge to run a distribution system. Drivers, warehouses, meeting exacting delivery schedules... yeah, if you have the expertise to do it, ... | [] | [] | [
[],
[]
] | |
5uykoc | How was it that Persia was able to preserve its language and ethnic identity, while Egypt and the Levant did not? | During the Islamic invasions, all three fell under Arab control. Other than changing their writing system and religion, Persia to this day retains a different ethnic identity and language than the rest of the "Arab world". | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5uykoc/how_was_it_that_persia_was_able_to_preserve_its/ | {
"a_id": [
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" > The conquering Arabs initially intended for Islam to be the religion of the military conquers, but for the conquered to retain their original religions. For this reason, people were not forced to convert even when militarily conquered. Instea... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/5mpi1g/to_what_extent_was_the_spread_of_islam_bloodless/dc5gsp7/"
]
] | |
1waqww | Does a plucked string really create an infinite set of overtones? | I know mathematically that they do, but I'm questioning how this could be possible due to the limit of scale at the atom. It seems like at the level of the atom, the string would not be able to create a new node and would therefore put a cap on the overtones. | askscience | http://www.reddit.com/r/askscience/comments/1waqww/does_a_plucked_string_really_create_an_infinite/ | {
"a_id": [
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"score": [
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"text": [
"A plucked string in principle produces an infinite set of overtones.\n\nBut the power in the overtones tends to decrease with harmonic number. For example, the 8th harmonic (7th overtone) might have 1/8th or 1/64th the power of the first harmonic... | [] | [] | [
[]
] | |
cy2h0e | On Jupiter there is a storm that never ends. Is that something that could happen on Earth? | I'm thinking not but global warming is a doggy's momma. | askscience | https://www.reddit.com/r/askscience/comments/cy2h0e/on_jupiter_there_is_a_storm_that_never_ends_is/ | {
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"This is not really true. If you are speaking of the Great Red Spot it is unlikely that this is a persistent feature that lasts the lifetime of the planet. \n\nFurther if we consider Earth it is highly u... | [] | [] | [
[],
[],
[]
] | |
dikwvh | The Netherlands seemingly went from cutting edge to obsolescent and backwards to cutting edge again in our modern day. What happened there? How did the Dutch, who industrialized quite late, surpass the Belgian early adopters? | Today the Netherlands is generally wealthier and more developed than its Belgian cousins, yet, Belgium was the second country in Europe to industrialize and the Netherlands itself was actually relatively late to the game.
What happened here? What factors caused the Dutch to rocket so far ahead and prosper despite the ... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/dikwvh/the_netherlands_seemingly_went_from_cutting_edge/ | {
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"Though the Netherlands was late to the game when it came to industrializing, its economy did already have certain traits that are associated with more modern economies, such as a large service secto... | [] | [] | [
[],
[],
[]
] | |
kua2d | Why is it harder to drink from a can with the tab removed | askscience | http://www.reddit.com/r/askscience/comments/kua2d/why_is_it_harder_to_drink_from_a_can_with_the_tab/ | {
"a_id": [
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"score": [
17,
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"text": [
"The tab prevents your upper lip from forming a seal with the back of the opening, and thus air can flow in to replace the liquid flowing out.",
"The tab prevents your upper lip from forming a seal with the back of the ... | [] | [] | [
[],
[]
] | ||
326uj3 | why do we have to eat and urinate throughout the day, but can make it through 8+ hours of sleep just fine? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/326uj3/eli5_why_do_we_have_to_eat_and_urinate_throughout/ | {
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"Because during that sleep you are sleeping, and not eating or drinking normally throughout the night as us humans do during the day. And there are times when people have a strong urge to use the restro... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/Sleep_and_metabolism"
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] | ||
9ahh4i | Can wild type insects make mistakes? | How tied to instincts are they? Do they sometimes do things that they shouldn't do according to instict, assuming there are no abnormal parameters? If you filmed an ant for a few weeks, would it sometimes trip over its own legs? (failure in hunt excluded from this question) | askscience | https://www.reddit.com/r/askscience/comments/9ahh4i/can_wild_type_insects_make_mistakes/ | {
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"text": [
"You may find your answer in the work of french entomologist J H Fabre.\n\nHis main focus was to test the limits of adaptability/rigidity in insect behavior, and he would devise experiments to test these.\n\nFor instance, he ... | [] | [] | [
[],
[
"https://beeinformed.org/2018/06/11/drift/"
]
] | |
9p6rjw | why aren't state sponsored cyber attacks considered an act of war? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9p6rjw/eli5_why_arent_state_sponsored_cyber_attacks/ | {
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"Basically, everyone's doing it.\n\n & #x200B;\n\nIf one nation suddenly decided it's tanks on the lawn time, then everyone else would... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | ||
5b3rmf | Best Websites on surname origin and genealogy | Hey all,
Does anyone know any great websites that can offer at least some insight to surnames and their origins. I usually hit dead end at these horrible sites that offer to send you family crests and printed mugs...
I'm probably asking about something that exists in the perfect world, but as a South African -really ... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5b3rmf/best_websites_on_surname_origin_and_genealogy/ | {
"a_id": [
"d9lkqr8"
],
"score": [
2
],
"text": [
"My go-to source for names online is [Behind the Name](_URL_0_).\n\nThey also have a [website for first names](_URL_1_).\n\nNot sure if they quite cover the genealogical information you're looking for, but hopefully it's a bit helpful!"
]
} | [] | [] | [
[
"http://surnames.behindthename.com/",
"http://www.behindthename.com/"
]
] | |
28un9u | I read somewhere that if you put a perfect sphere on a completely flat surface, the surface area of the sphere contacting the surface is 0. How can this be true? | I'm most sure it was 0, but if not how small would it be say for a 1m diameter sphere? | askscience | http://www.reddit.com/r/askscience/comments/28un9u/i_read_somewhere_that_if_you_put_a_perfect_sphere/ | {
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"Only nominally true if both the sphere and the flat surface are completely inflexible (which is never completely true).\n\nAnd, of course, as you approach zero contact area, you start dealing with sin... | [] | [] | [
[],
[],
[]
] | |
f8uiuf | are people born with empathy or can it be through practice? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f8uiuf/eli5_are_people_born_with_empathy_or_can_it_be/ | {
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"score": [
2,
2,
3... | [] | [] | [
[],
[],
[],
[],
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"https://youtu.be/HBW5vdhr_PA",
"https://youtu.be/Z-eU5xZW7cU"
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[],
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[],
[],
[],
[],
[],
[],
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"https://www.nature.com/articles/s41539-018-0029-6",
"https://www.ncbi.nlm.nih.gov/pmc/articles... | ||
bd7o6s | Black holes are alway illustrated with their accretion disks around their equators. Is this necessarily the case? | I know there have been a lot of black hole questions lately but now the megathreads are gone, I have another one!
Here is a typical black hole render: _URL_0_
Like most renderings we see the accretion disk in a neatish ring and the energetic jets shooting out perpendicular to it. For a rotating black hole, is the ac... | askscience | https://www.reddit.com/r/askscience/comments/bd7o6s/black_holes_are_alway_illustrated_with_their/ | {
"a_id": [
"ekxhina"
],
"score": [
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"text": [
"It's both.\n\nSo yeah, you get discs everywhere in astronomy, because that's what happens if you have (a) dissipation, and (b) angular momentum. The gas particles can bump into each other and convert kinetic energy into internal wibbles, and tha... | [] | [
"https://i.imgur.com/GD9oIBw.jpg"
] | [
[]
] | |
57xi58 | What did a typical battle between a Crusader army and a Muslim army look like? How did the crusader armies deal with horse archers? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/57xi58/what_did_a_typical_battle_between_a_crusader_army/ | {
"a_id": [
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"score": [
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9
],
"text": [
"Follow up question, how did non-horse archer armies deal with horse archers in general?",
"There is not \"the typical battle\" during a series of conflicts that spanned hundreds of years. Tactics, equipment and terrain w... | [] | [] | [
[],
[]
] | ||
djm68g | why do your eyes get itchy when you’re sleepy? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/djm68g/eli5_why_do_your_eyes_get_itchy_when_youre_sleepy/ | {
"a_id": [
"f46ysy5",
"f4888hw"
],
"score": [
8,
4
],
"text": [
"I think it's because you forget to blink regularly, which causes them to dry up a bit and that makes them itchy",
"Tired eyes get dry, and rubbing stimulates the lacrimal glands to produce more fluid. \n\n(Stolen from Go... | [] | [] | [
[],
[]
] | ||
pcsmh | How can a person go without sleep for years? | I was recently reading about [Thai Ngoc](_URL_0_), a man who hasn't slept in years. Assuming this claim is true, and it would be difficult to verify I realize, how does he continue survive? Isn't sleep a necessity to human life in the same way that nutrition, for instance, is a necessity? If it isn't, why does the rest... | askscience | http://www.reddit.com/r/askscience/comments/pcsmh/how_can_a_person_go_without_sleep_for_years/ | {
"a_id": [
"c3obvwd",
"c3ocqho",
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"score": [
8,
2,
3
],
"text": [
"There have never been any scientifically proven cases of persons living for prolonged periods of time with complete sleep deprivation.\n\nTo understand how important sleep is, [a quick look over the con... | [] | [
"http://en.wikipedia.org/wiki/Thai_Ngoc"
] | [
[
"http://en.wikipedia.org/wiki/Sleep_deprivation#Physiological_effects"
],
[],
[
"http://www.youtube.com/watch?v=nIeTVVAEFn8",
"http://en.wikipedia.org/wiki/Fatal_familial_insomnia"
]
] | |
40zspu | why don't pcs use arm | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/40zspu/eli5why_dont_pcs_use_arm/ | {
"a_id": [
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"text": [
"Laptops and desktops require too much processing power, which ARM processors are not designed for. ARM is primarily designed to be power savvy, so they're awesome in phones and tablets. Intel is slowly getting into the mobil... | [] | [] | [
[],
[]
] | ||
btp3gw | why is it impossible to change from first gear to reverse while driving, but not the other way around? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/btp3gw/eli5_why_is_it_impossible_to_change_from_first/ | {
"a_id": [
"ep0utqh",
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"score": [
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4
],
"text": [
"For starters, you shouldn't change from a forward gear to a reverse gear while moving or vice versa. This should be obvious because it causes immense stress to the the entire driveline. You should only change to a gear in th... | [] | [] | [
[],
[]
] | ||
rnb3c | why do most smartphones not have built-in fm receivers? (when they have many other technologies like wifi, gps, 4g, etc.) | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/rnb3c/eli5_why_do_most_smartphones_not_have_builtin_fm/ | {
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"score": [
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2,
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"text": [
"This is probably for a number of reasons. For one, people care less about FM radio than before. Second, device manufacturers might have a profit motive in selling audio content ... | [] | [] | [
[],
[
"http://ce.org/Press/CurrentNews/press_release_detail.asp?id=11945",
"http://arstechnica.com/tech-policy/news/2010/08/radio-riaa-mandatory-fm-radio-in-cell-phones-is-the-future.ars"
],
[],
[]
] | ||
bd4naa | Would the study of Caveman paintings be considered as History? | Or would it still be Pre-History? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/bd4naa/would_the_study_of_caveman_paintings_be/ | {
"a_id": [
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"text": [
"Although rock art represents a \"record\" of sorts, it remains undecipherable. As such, the period when that art was created remains before the written record, and it must be considered as prehistoric. Even if the rock art could be \"read\", the ... | [] | [] | [
[]
] | |
1ma726 | how can lawyers accept to defend in court some very bad people? i.e.war criminals, genocidal leaders, rapists, pedophiles, serial killers. | For example who would defend Hermann Goring during the Nuremberg trials? How can these lawyers stay professional? How do they live with themselves? Are they all sociopaths with a law degree? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ma726/eli5_how_can_lawyers_accept_to_defend_in_court/ | {
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"score": [
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28,
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"text": [
"I think you have to divorce your emotions from the process. In the ca... | [] | [] | [
[],
[],
[],
[],
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1e0kst | Old books and documents that are still classified | I was interested in reading up on Soviet deep battle theory only to discover that one of the most pivotal books on the topic, Fundamentals of the Deep Operation (1933) by Georgii Isserson, is still classified. This got me thinking:
1) Why is this specific book still classified despite the fact that the strategies it d... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1e0kst/old_books_and_documents_that_are_still_classified/ | {
"a_id": [
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"score": [
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14,
6
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"text": [
"From [The Smithsonian magazine](_URL_1_)....\n\n > 2027: The FBI spied on Martin Luther King Jr. in an unsuccessful effort to prove he had ties to Communist organizations. In 1963, Attorney General Ro... | [] | [] | [
[
"http://en.wikipedia.org/wiki/French_Army_Mutinies",
"http://www.smithsonianmag.com/specialsections/40th-anniversary/Nine-Historical-Archives-That-Will-Spill-New-Secrets.html"
],
[
"http://nuclearsecrecy.com/blog/2012/05/07/missing-four-million-pages-of-secrets/",
"http://nuclearsecrecy.com/bl... | |
28s35x | why is it that dash lights in a car seem to last forever, and normal light bulbs "burn out" after a period of time? | There is a similar post about light bulbs burning out but my question is more directed towards the ones that don't such as street lights, signs above business', street lamps etc. Also...(bonus question) what happens when the tube "burns out" in giant TV's such as jumbo-trons in major sporting arena's?
edit:spelling | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/28s35x/eli5_why_is_it_that_dash_lights_in_a_car_seem_to/ | {
"a_id": [
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"text": [
"Okay, well the brightness of a filament bulb depends on the size of the filament and how much voltage you shove through it. The more voltage you run through a filament, the hotter it gets, the more light it produces, and the more fragile it is an... | [] | [] | [
[]
] | |
2th3wr | how sound waves travel in 3d space | I always see the typical 2D rendering of sound waves going up and down. But how do they fill a 3D space? They are omnidirectional are they not? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2th3wr/eli5_how_sound_waves_travel_in_3d_space/ | {
"a_id": [
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"score": [
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"text": [
"Picture, instead of the 'rings' you are thinking of from a 2D perspective, spheres instead. Sound radiates out from its source in the form of a sphere if there are no impediments/obstacles to it. Now you may be talking about the waveform, which... | [] | [] | [
[]
] | |
1hfabb | When, how and why did the Norse identity die out? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1hfabb/when_how_and_why_did_the_norse_identity_die_out/ | {
"a_id": [
"cats1eu",
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"score": [
2,
66
],
"text": [
"What do you mean by Norse identity? ",
"Note: Large parts of this post is a copy-paste from when I answered a similar question 4 months ago.\n\nThe Norse identity exists as much today as it did back then - now we call i... | [] | [] | [
[],
[]
] | ||
13ofh0 | Why do people dry tea leaves if their intended use is to be soaked in boiling water? | askscience | http://www.reddit.com/r/askscience/comments/13ofh0/why_do_people_dry_tea_leaves_if_their_intended/ | {
"a_id": [
"c75pea1",
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"score": [
27,
24
],
"text": [
"Dry things tend to have a longer shelf life. ",
"Tea is dried in order to cure the leaves. Curing is a process in which the flavor and aroma of the tea develops. \n\n_URL_0_"
]
} | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Tea_processing"
]
] | ||
77bnr8 | How was United States occupation of Japan after World War II met with such little resistance, when the Japanese were infamous for fighting to the last man? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/77bnr8/how_was_united_states_occupation_of_japan_after/ | {
"a_id": [
"doku5ti"
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"score": [
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"text": [
"The official declaration of surrender by the Japanese government went a long way toward removing such resistance. Moreover, you have to appreciate the context at the end of WWII. Japan was in dire straits. Most people don't appreciate that the a... | [] | [] | [
[]
] | ||
ucp3v | Is super-human strength (under stress or influence of drugs) possible? | There are many stories of people lifting up cars, etc weighing thousands of pounds, in order to save someone trapped underneath. Also consider the phenomenon of people under the influence of PCP, "bath salts" or other stimulants to display either super-human strength (requiring the physical force of many cops to subdue... | askscience | http://www.reddit.com/r/askscience/comments/ucp3v/is_superhuman_strength_under_stress_or_influence/ | {
"a_id": [
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"score": [
8,
26
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"text": [
"[Adrenaline](_URL_0_) is a large part in high stress situations.\n\nMany of these feats of strength in emergencies or with drug use would lead to torn muscles, ligaments, etc, but the people don't know they are doing that a... | [] | [] | [
[
"http://entertainment.howstuffworks.com/arts/circus-arts/adrenaline-strength1.htm"
],
[]
] | |
1tauay | how can the fdic insure a very large amount of investors their money, when something like the "target hack" occurs? | Upwards of 40 Million people are guaranteed their money is safe,through the FDIC. How does this immediately effect the banking system? Does this effect the economy, why or why not? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1tauay/eli5_how_can_the_fdic_insure_a_very_large_amount/ | {
"a_id": [
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"score": [
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2
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"text": [
"The FDIC only protects people's money (up to $100,000 per account) if the bank goes under (like they did in the great depression). If your CC info or your bank account info is compromised and someone takes your money the FD... | [] | [] | [
[],
[]
] | |
231h8y | why does hot oil make a sizzling sound when something is put in it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/231h8y/eli5why_does_hot_oil_make_a_sizzling_sound_when/ | {
"a_id": [
"cgsgqjt"
],
"score": [
3
],
"text": [
"It's not the oil, it's the water from whatever you put into it heating rapidly and boiling off."
]
} | [] | [] | [
[]
] | ||
9yn9h7 | why are cpu speeds measured in gigahertz (ghz) and ram in megahertz (mhz) when they are usually similar? | For example, a CPU like the Intel Core i9 9900k has a base clock speed of 3.6GHz, or 3600MHz. A DDR4 RAM stick (for example) can have an operating speed of 3600MHz, or 3.6GHz. Why, then, do we measure CPU and RAM frequencies in different terms when they are already both similar? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9yn9h7/eli5_why_are_cpu_speeds_measured_in_gigahertz_ghz/ | {
"a_id": [
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"score": [
2,
8
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"text": [
"Up through the 1980's and 1990's all CPU's were measured in MHz. In the late 1990's Intel and AMD were in hot competition to be the first to break the 1GHz barrier on CPU speeds. Once that was achieved, pretty much all CPU... | [] | [] | [
[],
[]
] | |
3l10ml | how does humblebundle work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3l10ml/eli5_how_does_humblebundle_work/ | {
"a_id": [
"cv28dvu"
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"text": [
"Each customer pays whatever he feels like, lets say 10 < insert currency here > . That amount is distributed among all of the game creators + some charities and and some money go to huble bundle itself. \n\nFor the most part it's a win-win-win-... | [] | [] | [
[]
] | ||
7uk21q | What sparked the fascination with dinosaurs in the 90s? | I know it's fairly recent history (only a little more than 20 years ago), but looking back, it seems peculiar that culturally, dinosaurs seemed to be all over the place. We're Back, Land Before Time, Jurassic Park, the tv show Dinosaurs. From the POV of a child in the 90s, it seemed like Dinosaurs were the biggest thin... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7uk21q/what_sparked_the_fascination_with_dinosaurs_in/ | {
"a_id": [
"dtkzwg3",
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"score": [
118,
4
],
"text": [
"Expanded [from an earlier answer of mine](_URL_1_)\n\nThe public fascination with dinosaurs has existed for pretty much as long as the first fossilized specimens were discovered and displayed. One of the attractions of the... | [] | [] | [
[
"https://www.youtube.com/watch?v=l7vcKwmMzXA",
"https://www.reddit.com/r/AskHistorians/comments/5q3nsw/would_a_paleontologist_at_a_dig_in_1993_be/",
"http://www.nhm.ac.uk/discover/diplodocus-this-is-your-life.html",
"http://www.nature.com/nature/journal/v282/n5736/abs/282296a0.html",
"http://w... | |
3k36w6 | what is mustard gas and why its use by isis is news? | So some articles about it and was curious. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3k36w6/eli5_what_is_mustard_gas_and_why_its_use_by_isis/ | {
"a_id": [
"cuucxws",
"cuucz66",
"cuud6mt",
"cuudj8y"
],
"score": [
9,
2,
4,
3
],
"text": [
"Mustard Gas is a chemical weapon that burns upon contact. If it touches the skin it'll cause painful blisters. However, its main problem is from being breathed in where it'll dama... | [] | [] | [
[],
[],
[],
[]
] | |
5y4z42 | why do atms eat cards? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5y4z42/eli5_why_do_atms_eat_cards/ | {
"a_id": [
"den7s2f"
],
"score": [
2
],
"text": [
"In case you are using a stolen card, they don't give it back."
]
} | [] | [] | [
[]
] | ||
3efo2l | can anyone go to the moon (if they were able to) or is it like some sort of private property of a government ? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3efo2l/eli5can_anyone_go_to_the_moon_if_they_were_able/ | {
"a_id": [
"ctegk6k",
"ctegk8m",
"ctegnla"
],
"score": [
2,
5,
5
],
"text": [
"The outer space treaty makes it essentially impossible for anyone to claim anything in outer space as their property, unless they put it there. \n\nSo yes, you could go to the moon if you wanted.",
... | [] | [] | [
[],
[],
[]
] | ||
4u670v | why is it that ice slows down swelling but when in the cold, our skin turns red from blood flow? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4u670v/eli5_why_is_it_that_ice_slows_down_swelling_but/ | {
"a_id": [
"d5n8z41"
],
"score": [
2
],
"text": [
"Cold just really slows down molecules down from their natural fast moving state to another state where things aren’t moving much at all. This works well and fine for things that don’t live and die like a pool of water that can just freeze withou... | [] | [] | [
[]
] | ||
54lspr | At what point in history did the US first become politically and/or economically influential? | I know the US established itself as *the* superpower in the 20th century, but I'm curious as to when the rest of the world saw it as being in the same league as the European powers. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/54lspr/at_what_point_in_history_did_the_us_first_become/ | {
"a_id": [
"d82xjd1"
],
"score": [
2
],
"text": [
"I am presuming you are referring to international influence outside of the North American sphere. \n\nThe best answer for the political part would probably be the Spanish-American War. During that conflict, US forces won decisive simultaneous vic... | [] | [] | [
[]
] | |
2do5h1 | how did israel developed from rand rock desert into oecd equivalent progressive nation. | Israel has GDP per capita better than some messed up Eastern European nations. In terms of literacy rate, education level, human right and freedom etc they second to none in Middle East. Not to mention they had 4+ times war and constant clashes with its neighbors (which most of the time they achieved victory). They cer... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2do5h1/eli5_how_did_israel_developed_from_rand_rock/ | {
"a_id": [
"cjrdryu",
"cjrf24b",
"cjs8jwn"
],
"score": [
6,
4,
2
],
"text": [
"It was built by first world people, at first educated by first world institutions, until they created their own.\n\n\nAnd they get funded by first world jews all over the world. Jews have always priorit... | [] | [] | [
[],
[],
[]
] | |
1wmh6g | What are some good reads to get a background on the historical basis of the bible? | I'm not much into religion but the stories are interesting. I've read some of the questions in the AskHistorians FAQ and they cover specific events but are there any good reads that I could pick up that would cover the bible from a historical point of view? A good starting point perhaps? Sorry if this isn't the righ... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1wmh6g/what_are_some_good_reads_to_get_a_background_on/ | {
"a_id": [
"cf3f6w0",
"cf3fwlb",
"cf3jhaa"
],
"score": [
5,
6,
2
],
"text": [
"Everett Ferguson's \"Backgrounds of Early Christianity\" is a very good *background* book on the New Testament and immediately after world.\n\nAre you more interested in Old Testament or New Testament b... | [] | [] | [
[],
[],
[
"http://www.reddit.com/r/AskHistorians/wiki/books/culturalhistory#wiki_religion"
]
] |
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