q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
value | subreddit stringclasses 3
values | url stringlengths 4 132 | answers dict | title_urls list | selftext_urls list | answers_urls list |
|---|---|---|---|---|---|---|---|---|---|
1j3zbw | When you make a cut in the brain for surgery, does it scar? | Does it heal up like before? The pathways?
| askscience | http://www.reddit.com/r/askscience/comments/1j3zbw/when_you_make_a_cut_in_the_brain_for_surgery_does/ | {
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"When the brain is injured by a cut, non-neuronal cells known as astrocytes become activated, phagocytize (\"eat\") the cellular debris present in and around the cut, and form what is referred to as an astroglial scar that li... | [] | [] | [
[],
[
"http://www.dana.org/news/cerebrum/detail.aspx?id=39280"
]
] | |
1e655p | how does dividing by a (positive) decimal make a bigger number? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1e655p/eli5_how_does_dividing_by_a_positive_decimal_make/ | {
"a_id": [
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"score": [
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"text": [
"If you have five dollars (5.00), and you convert it into (divide by) quarters (0.25), how many quarters do you end up with?\n\nThere you go."
]
} | [] | [] | [
[]
] | ||
zfb4u | Why are peanut/shellfish allergies so much worse than pollen/dust mite allergies? | askscience | http://www.reddit.com/r/askscience/comments/zfb4u/why_are_peanutshellfish_allergies_so_much_worse/ | {
"a_id": [
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"text": [
"If something unavoidable killed you, you would be removed from the gene pool."
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[]
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cpiv8m | the nes and gameboy color are both considered 8-bit. what are the technical differences in the graphics that allowed gbc games to look so different? | One thing I've noticed is that on Gameboy Color, there appears to be actually less allowable colors on screen, however Gameboy Color games seem to in general look impressive compared to most NES games. I have a bit of technical understanding but I bet there's a lot of folks out there who really know their stuff when it... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cpiv8m/eli5_the_nes_and_gameboy_color_are_both/ | {
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"The 8,16,32,64 bits were just used to refer to the addressable memory range for the CPU. \n\n8 bits means it could address up to 2^8 addresses, etc etc. We have been at 64 bits for the last 15 years ... | [] | [] | [
[],
[],
[]
] | |
1cbqk3 | what would I find in terms of people and how they lived if I went to Japan in 1100BC? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1cbqk3/what_would_i_find_in_terms_of_people_and_how_they/ | {
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"The best evidence demonstrates that the Japanese main islands were inhabited by the \"Jomon\" people and their dwellings have been dated as far back as 14,000bce. They were hunter-gatherers and as such, moved periodically. How often though, is cu... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Ainu_people#Origins"
]
] | ||
1zqqi7 | How do birds produce thrust? | I realize that a bird's wing shape allows them to actually fly and stay up in the air. However, how does a bird flapping it's wing up and down actually produce forward thrust and keep the air moving over the wing? | askscience | http://www.reddit.com/r/askscience/comments/1zqqi7/how_do_birds_produce_thrust/ | {
"a_id": [
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"text": [
"Well. By the shape of their wings the flapping throws air more or less diagonally backwards/downwards, and by newtons laws that generates a thrust. It would be pretty awesome if we could create planes that flap, but instead we have to use those n... | [] | [] | [
[]
] | |
e3zyrz | What were the Hook and Cod wars in the Netherlands? | I saw this mentioned in passing, and the name sounds so out there I have no idea what it could actually mean. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/e3zyrz/what_were_the_hook_and_cod_wars_in_the_netherlands/ | {
"a_id": [
"f9af8zb"
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"score": [
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],
"text": [
"The name is a little bit misleading in English, as in Dutch the event is known as the \"Hoekse en Kabeljauwse Twiste\" or the Conflict between the Hooks and the Cods. It's not a war between literal hooks and cods, but between two factions in the ... | [] | [] | [
[]
] | |
5i506u | can someone please explain hbo's season 1 of westworld? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5i506u/eli5_can_someone_please_explain_hbos_season_1_of/ | {
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"text": [
"So probably in the future someone made a big super giant Disney World, and in that Disney world lives a lot of robots to play the characters, kind of like when people dress up like Elsa and stuff at the Disney World we have.... | [] | [] | [
[],
[]
] | ||
axjfz7 | how does washing a burn immediately after getting burned help? | Wouldn't all the damage has been done by the time you feel the pain? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/axjfz7/eli5_how_does_washing_a_burn_immediately_after/ | {
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"text": [
"My mom used to tell me its like cooking meat , after pulling it out of the oven you let it rest i.e. the residual heat from the burn continues to 'cook' the tissue so the cold water stops that , \nI guess its the same reaso... | [] | [] | [
[],
[]
] | |
22iqkm | why is firefly so popular? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/22iqkm/eli5_why_is_firefly_so_popular/ | {
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"text": [
"First of all, Stargate not Stagnate! \n\nBut the thing is, Joss Whedon created a cult classic by creating a new genre of \"western space opera\". \n\nI enjoy the character development as well as the str... | [] | [] | [
[],
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"http://www.reddit.com/r/explainlikeimfive/wiki/rules"
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4rwo5s | When battlefield surgeons had to amputate limbs to prevent infection pre-antibiotics, which bacteria were the primary cause of infections? | I couldn't decide whether to put this on ask science or ask historians so correct me if this is the wrong place to post it. I know people amputated to prevent gangrene but gangrene itself isn't a disease it's a symptom. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4rwo5s/when_battlefield_surgeons_had_to_amputate_limbs/ | {
"a_id": [
"d550imt"
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"score": [
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"text": [
"The answer is the same as today: [bacteria that live on your skin](_URL_7_). It's not like we have a substantially different bacteria population than our recent ancestors - the bacterial species have been evolving right along with us. Generally, ... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Gangrene#Dry",
"https://en.wikipedia.org/wiki/Exotoxin",
"https://en.wikipedia.org/wiki/Clostridium_perfringens",
"https://en.wikipedia.org/wiki/Gram-negative_bacteria",
"https://en.wikipedia.org/wiki/Gangrene#Wet",
"http://www.medscape.com/viewarticle/742992... | |
1y505y | are quantum fluctuations truly random (non-deterministic) or do we not yet possess the capacity to understand the perceived randomness of such fluctuations? | edit: simplified to single question to remove ambiguity. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1y505y/eli5_are_quantum_fluctuations_truly_random/ | {
"a_id": [
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"score": [
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"text": [
"It is the general scientific consensus that the motion of these particles are truly random, and it would be impossible with any amount of technology to predict their behavior.",
"You want to look into [Bell's theorem](_U... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Bell%27s_theorem",
"http://www.reddit.com/r/askscience/comments/jvgun/can_someone_explain_how_exactly_bells_theorem/"
]
] | |
4s8nso | why is it so hard to know you dehydrated but really easy to know when you're hungry? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4s8nso/eli5_why_is_it_so_hard_to_know_you_dehydrated_but/ | {
"a_id": [
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"score": [
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3
],
"text": [
"Cell utilizes interstitial fluid to balance out hydration of cells, which we have an abundance of, shifting fluids throughout the body to move waste and nutrients. A lot of people typically get a hunger (or an extreme cravi... | [] | [] | [
[],
[]
] | ||
ax9qlh | when women have their period, do they suffer effects from blood loss? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ax9qlh/eli5_when_women_have_their_period_do_they_suffer/ | {
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"text": [
"Some women can become anemic from their periods. That’s why a lot of birth control packs have iron pills for the 7 days you are not taki... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | |
jcgs4 | Why can't some people, including me, see 3-D at the movies? | When Avatar came out and everyone was excited about 3-D I went and did not see any 3-D. I thought maybe it was because it wasn't a great theatre and the screen was too small. Since then, I've tested it out at 4 or 5 different movies and I just cannot see 3-D.
Most recently I saw Harry Potter 7-2 in a 3-D theater and ... | askscience | http://www.reddit.com/r/askscience/comments/jcgs4/why_cant_some_people_including_me_see_3d_at_the/ | {
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"score": [
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"text": [
"Is one of your eyes damaged or significantly les... | [] | [] | [
[],
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"http://upload.wikimedia.org/wikipedia/en/c/c4/Peach%27sCastle.jpg"
],
[
"http://en.wikipedia.org/wiki/Stereoblindness"
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"http://en.wikipedia.org/wiki/Anaglyph_image"
],
[
"http://www.howtomakepapercranes.com/wp-content/uploads/2011/03/The-mountain-fold1.jpg"
],
[],
[
... | |
2aajz7 | what is the point of the little dangly thing at the back of the mouth? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2aajz7/eli5_what_is_the_point_of_the_little_dangly_thing/ | {
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"text": [
"The uvula prevents nutrients from entering your nasal cavity. It's the main reason water you drink doesn't come out your nose.",
"The dangly thing is called a uvula. It has a l... | [] | [] | [
[],
[],
[
"https://www.inkling.com/read/clinical-anatomy-regions-snell-9th/chapter-11/table-11-9"
],
[]
] | ||
7cietd | Why are some Elements like Mercury liquid at room temperature and Nitrogen gassious? What is the dertimining factor there? | askscience | https://www.reddit.com/r/askscience/comments/7cietd/why_are_some_elements_like_mercury_liquid_at_room/ | {
"a_id": [
"dpqntxa",
"dprwpwx"
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3
],
"text": [
"When it comes to the physical properties of elements, the main factor in determining what state it is in all depends on molecular and atomic interactions. To save myself time, I'll call them IMFs, short for intermolecular fo... | [] | [] | [
[],
[]
] | ||
14dex6 | What was it like travelling as part of an army during one of Caesar's campaigns? | Day to day life, travel distance and time per day, any interesting facts or societal norms that developed in that mini society. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/14dex6/what_was_it_like_travelling_as_part_of_an_army/ | {
"a_id": [
"c7c6sif"
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"text": [
"I'll try and detail a standard march here--I am working part of this out in my head as I type, so bear with me as I detail the process.\n\nSo, let's first talk about the march. We can assume fairly, I think, that soldiers would be woken at or jus... | [] | [] | [
[]
] | |
g3erci | Is there a science about knots and what gives them their strength? | askscience | https://www.reddit.com/r/askscience/comments/g3erci/is_there_a_science_about_knots_and_what_gives/ | {
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1189,
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"text": [
"Contrary to popular belief, knots weaken the rope in which they're made. A lot of this probably falls under materials science.",
"Well, there are multiple ways to answer ... | [] | [] | [
[],
[
"https://www.knotplot.com/knot-theory/",
"https://www.youtube.com/watch?v=kxaWqKM5JyQ",
"http://www.dcrescue.com/43-knots-training-material/366-describe-the-strengths-and-limitations-of-common-rescue-knots",
"https://www.youtube.com/watch?v=zNffZ3UcARs",
"https://www.livescience.com/1903... | ||
1cpx27 | How much do MHC II proteins differ from person to person? | I learned in AP Biology today that each person has a different MHC II protein, but my teacher doesn't know how much they differ | askscience | http://www.reddit.com/r/askscience/comments/1cpx27/how_much_do_mhc_ii_proteins_differ_from_person_to/ | {
"a_id": [
"c9jooo4"
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"score": [
2
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"text": [
"Because I applaud your curiosity I'll answer this instead of studying for my human genetics final :)\n\nSo, in humans, the MHC region of DNA is called the HLA locus. Within the HLA locus there are three different genes that encode MHC II molecule... | [] | [] | [
[]
] | |
7e7cyx | propellers behind the engines vs propeller in front of the engines in bomber planes during world war 1. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7e7cyx/eli5_propellers_behind_the_engines_vs_propeller/ | {
"a_id": [
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"text": [
"[This stackexchange discussion](_URL_0_) covers this topic pretty well.\n\nIt seems that pushers (props behind the engine and wing) lead to the wing having less turbulent flow over it and thus increasing the precision of the control surfaces. Th... | [] | [] | [
[
"https://aviation.stackexchange.com/questions/3306/why-are-push-propellers-so-rare-yet-they-are-still-around",
"https://en.wikipedia.org/wiki/Pusher_configuration#Advantages"
]
] | ||
b16i9f | Any general histories of how the political structure of society is the result of the military technology that makes it up? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/b16i9f/any_general_histories_of_how_the_political/ | {
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"Sorry, we don't allow [\"example seeking\" questions](_URL_0_). It's not that your question was bad; it's that these kinds of questions tend to produce threads that are collections of disjointed, partial, inadequate responses. If you have a quest... | [] | [] | [
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"https://www.reddit.com/r/AskHistorians/comments/3nub87/rules_change_throughout_history_rule_is_replaced/"
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1a53sq | why if light is a particle, and sound requires particles to vibrate to produce sound, that when you try to make a noise in space, nothing is heard | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1a53sq/eli5_why_if_light_is_a_particle_and_sound/ | {
"a_id": [
"c8u5p22"
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"text": [
"What you experience as sound is the change in pressure inside your ear. Light doesn't create pressure the same way as atoms do. So your ears have no way to pick up that you did something that affected the light partcles. That's what your eyes are... | [] | [] | [
[]
] | ||
425iju | How severe was the inter-element rivalry in WW2 Germany? | I've heard many stories of how apparently the German military was notoriously full of inter-element animosity and infighting. How much truth is there to this?
Did it exist between all elements? Was it particularly strong between certain groups (i.e. Wehrmacht vs. SS)?
Additionally, as a member of the Army myself I kn... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/425iju/how_severe_was_the_interelement_rivalry_in_ww2/ | {
"a_id": [
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"text": [
"Inter-service rivalry in Nazi Germany was exacerbated by at least three different factors:\n\n-Competition for scarce resources: Germany was a middle-income economy with a severe foreign exchange shortage in the inter-war pe... | [] | [] | [
[],
[
"https://www.reddit.com/r/AskHistorians/comments/3v9mws/was_the_wehrmacht_opposed_to_the_ss/cxm6wpl"
]
] | |
4w8tnr | Why do we spell Qin like it is and not Chin? | does a Q by its self make a ch sound? and why dont we change the spelling of it? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4w8tnr/why_do_we_spell_qin_like_it_is_and_not_chin/ | {
"a_id": [
"d6511q6"
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"score": [
6
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"text": [
"There are different systems to write Chinese characters in Latin alphabet such as Wade–Giles and Yale. 'Qin' is the correct spelling in Hanyu Pinyin romanization system which is the official romanization method in China and pretty much the intern... | [] | [] | [
[]
] | |
3vjqcl | How historically accurate was Dr Strangelove, the Stanley Kubrick nuclear war movie? | I have read these post: _URL_1_ and _URL_0_ but i can find exactly what I am looking for . Naturally, I understand this is a work of fiction designed to be satire and humorous but I would like to know whether "Wing Attack Plan R" or any plan in which nuclear weapons could be used without the president's permission was ... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3vjqcl/how_historically_accurate_was_dr_strangelove_the/ | {
"a_id": [
"cxo856k"
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"score": [
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"text": [
"No party ever created any Doomsday Device of the sort talked about in the film — a computerized giant bomb meant to create radioactive contamination on a global scale. The Doomsday Device was meant to be a metaphor for the nuclear arms race in g... | [] | [
"https://www.reddit.com/r/AskHistorians/comments/2hf2q4/what_was_the_public_perception_of_cold_war_films/",
"https://www.reddit.com/r/AskHistorians/comments/1tpck0/how_accurately_did_dr_strangelove_portray/"
] | [
[
"http://www.newyorker.com/news/news-desk/almost-everything-in-dr-strangelove-was-true"
]
] | |
1nbcax | On what extent does the recent increase in arctic ice caps contradict what scientist have believe until now? | Recent reports ( [1](_URL_1_) & [2](_URL_0_) ) according to media say that the ice caps on both poles have reached have grown to levels not seen in years. In what way, if at all, does this go against what standing theories have previously said? And does this force the scientific community to re-evaluate their stand o... | askscience | http://www.reddit.com/r/askscience/comments/1nbcax/on_what_extent_does_the_recent_increase_in_arctic/ | {
"a_id": [
"cch5hql",
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"score": [
2,
3
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"text": [
"/u/OoogaOoogaYoink already provided a source that contradicts your sources, but even if the icecaps where to grow for some time:\n\nThe descriptors we have for the state of the global climate - like the extend of the polar i... | [] | [
"http://www.washingtonpost.com/blogs/capital-weather-gang/wp/2013/09/23/antarctic-sea-ice-hit-35-year-record-high-saturday/",
"http://www.dailymail.co.uk/news/article-2415191/Global-cooling-Arctic-ice-caps-grows-60-global-warming-predictions.html"
] | [
[],
[
"http://nsidc.org/arcticseaicenews/charctic-interactive-sea-ice-graph/"
]
] | |
3ffw1o | do other languages have as many accents as english? why or why not? | There are wildly different English accents across the globe, but does this happen with other languages? I feel like it would, but I've never heard/seen anything about it. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3ffw1o/eli5_do_other_languages_have_as_many_accents_as/ | {
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33,
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"text": [
"Yes. Each Spanish speaking country has a different accent from each other. And within Spain there are varying accents of Castilian (Spanish). There are al... | [] | [] | [
[],
[
"http://imgur.com/gallery/lMrr3YC"
],
[],
[],
[]
] | |
2rg48a | can human energy affect kinetic watches? | So my friend and his family swear that they can't wear kinetic watches and that their "magnetic fields" throw off the time. Is this even possible?I have looked this up and so far have only found websites for metaphysical health that use words like, aura, so needless to say I don't have much faith in their scientific da... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2rg48a/eli5_can_human_energy_affect_kinetic_watches/ | {
"a_id": [
"cnfj3vr"
],
"score": [
3
],
"text": [
"Stick a magnet next to any watch and see what happens...\n\nNothing.\n\nSounds like your friends might be a bunch of hippies."
]
} | [] | [] | [
[]
] | |
7104sf | would the horizon look any different on a considerably larger planet? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7104sf/eli5_would_the_horizon_look_any_different_on_a/ | {
"a_id": [
"dn79gzq"
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"text": [
"It would look flatter, but because the curvature of the earth is undetectable by the human eye until you are a few miles up, it would look pretty much the same.\n\nOn a much smaller planet, the horizon would have a noticeable curve to it."
]
} | [] | [] | [
[]
] | ||
2c3mjs | as a layman, why is trusting science/scientists not an appeal to authority? | What it says on the tin. My friend and I were arguing about climate change (he is a denier) and my argument boiled down to "because trends and numbers and science." His winding and somewhat off-topic response was (basically) "You shouldn't trust Neil de Grasse Tyson on astronomy because you haven't studied it yourself-... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2c3mjs/eli5_as_a_layman_why_is_trusting/ | {
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"text": [
"It is, if you are making an argument with no facts besides \"people who know better say so.\"",
"At a basic level, yes, it is an appeal to authority. But... | [] | [] | [
[],
[],
[],
[],
[]
] | |
30pgio | In a particle accelerator, do the particles move in a perfect circle? How do they attain that without having an infinite number of accelerator thingies? | askscience | http://www.reddit.com/r/askscience/comments/30pgio/in_a_particle_accelerator_do_the_particles_move/ | {
"a_id": [
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"text": [
"Charged particles in a magnetic field will experience a force that is the cross product of velocity and magnetic field. This is called [Lorentz force](_URL_2_), and results in circular motion.\n\nCharged particles that undergo acceleration necess... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Synchrotron_radiation",
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"http://en.wikipedia.org/wiki/Lorentz_force",
"http://en.wikipedia.org/wiki/Synchrotron",
"http://en.wikipedia.org/wiki/Bremsstrahlung"
]
] | ||
27wl4a | Why didn't Italy join the the Central Powers if the rewards were (I believe) greater? | I had read a few months ago a book called the Short History of WWI by James Stokesbury. I really enjoyed it and would recommend it to you all. I was confused about one part however. After Italy left the CP and both sides were trying to sway them over I looked at what they were offering and wondered why Italy joined the... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/27wl4a/why_didnt_italy_join_the_the_central_powers_if/ | {
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"First off, from the first battle of the Marne up to the surrender of Russia the Entente forces were on the winning side. Italy would of course be more eager to join the winning side than the losing side. \n\nsecondly, Italy is a state with a very... | [] | [] | [
[]
] | |
euciuw | if i were in a spaceship traveling away from earth, how far would i need to go for the stars/constellations to be visibly different? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/euciuw/eli5_if_i_were_in_a_spaceship_traveling_away_from/ | {
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"To be *visibly* different, to the point where you could look out the window and honestly say \"wow the stars are different,\" then you'd have to go out at *least* several light-years and usually a lot more. It also depends on the direction you go... | [] | [] | [
[]
] | ||
22okb3 | What generates the recoil in a railgun? | Sorry for some bad English here and there, but physics in English is not easy when it's not your native tongue.
Looking at [this video](_URL_2_), you can clearly see the recoil, but it seems a lot less than what you'd expect from such a massive weapon. If you'd compare it with an artillery gun, firing a projectile wit... | askscience | http://www.reddit.com/r/askscience/comments/22okb3/what_generates_the_recoil_in_a_railgun/ | {
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"cgovygj"
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"score": [
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"text": [
"This is covered by Newton's Third Law of Motion.\n_URL_0_\n\nFor the projectile to travel forward, the \"gun\" must experience the same force in reverse. No matter the mechanism - bullet in barrel, linear accelerator, or rail gun."
]
} | [] | [
"https://www.utexas.edu/research/cem/IEEE/PR%2052%20Weldon%20Publications.pdf",
"http://puu.sh/837mg.png",
"http://youtu.be/qJQfAcBs5vQ?t=4s"
] | [
[
"https://en.wikipedia.org/wiki/Newton's_laws_of_motion"
]
] | |
ziynn | Why does this rare earth magnet refuse to flip over? | I saw [this video](_URL_0_) recently and it shows a magnet that when thrown in the air refuses to flip over and even corrects itself in the air to avoid flipping over.
Its shown in slow motion in the video and the maker is looking for an answer so I though you guys might be able to help. I would be interested to know... | askscience | http://www.reddit.com/r/askscience/comments/ziynn/why_does_this_rare_earth_magnet_refuse_to_flip/ | {
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"text": [
"Because he's got a big magnet taped to the other side of his hand.",
"This would be weird if it didn't flip, except it does. [0:32](_URL_1_) and [0:36](_URL_0_) in the vid show that the magnet does indeed flip over to th... | [] | [
"http://www.youtube.com/watch?v=rVFh4UMYKwE&feature=g-u-u"
] | [
[],
[
"http://youtu.be/rVFh4UMYKwE?t=36s",
"http://youtu.be/rVFh4UMYKwE?t=32s"
]
] | |
8v9c0t | The Coca-Cola Company have created Fanta to circumvent embargo and IBM provided counting machines to concentration camps. How do American companies manage their German and occupied countries subsidiaries during the WW2? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/8v9c0t/the_cocacola_company_have_created_fanta_to/ | {
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"text": [
"Follow up, if this warrant a new post please tell me: How did politicians and the general public react when they found out these companies were aiding Nazi forces in WW2?",
"Expanded from [an earlier answer of mine]... | [] | [] | [
[],
[
"https://www.reddit.com/r/AskHistorians/comments/4bmb7d/nazism_thugs_for_the_rich_how_accurate_is_this/"
]
] | ||
240zaq | what happens to people that are stateless with no citizenship? | If for some reason a British or American person's citizenship was revoked and they were kicked out of the country, where do they go? are there countries that will allow them in? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/240zaq/eli5_what_happens_to_people_that_are_stateless/ | {
"a_id": [
"ch2jm3a"
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"text": [
"I don't think there's really a single answer that covers situation.\n\nDon't know about the USA's nationality laws, but I know that generally British laws are designed to avoid leaving people stateless. Revoking someone's citizenship only happens... | [] | [] | [
[]
] | |
5i3pev | Why did it take so long for a majority of scholars to accept that the Civil War's proximate cause was slavery? | From a variety of texts I've read, both growing up in the South and now, it seems that it took until the mid-20th century for a general agreement on the facts of the matter. Yet Bruce Levine's extremely readable The Fall of the House of Dixie cites page after page of primary source documents (from newspapers, to diarie... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5i3pev/why_did_it_take_so_long_for_a_majority_of/ | {
"a_id": [
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"There are quite a few studies on the memory of the Civil War, but my favorite is David Blight's *Race and Reunion.* In it, he lays out two reason for the distorted nature of public memory of the Civil War.\n\nFirstly, Confederate histories of the... | [] | [] | [
[
"http://thumbs.ebaystatic.com/images/g/Sl0AAOSwOVpXXjXS/s-l225.jpg"
]
] | |
7idgmh | why can’t we feed and save polar bears? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7idgmh/eli5_why_cant_we_feed_and_save_polar_bears/ | {
"a_id": [
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"text": [
"Because once you start feeding wild animals, they switch from hunting to feed themselves to sitting around and waiting to be fed. Now, although this isn't so much a problem for adult animals, it becomes a major issue when said adult animals stop... | [] | [] | [
[]
] | |
2h04v4 | 7th dimension. and how any of this works | _URL_0_
No idea what is going on there. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2h04v4/eli57th_dimension_and_how_any_of_this_works/ | {
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"text": [
"Imagine you live in a piece of paper. You have a concept of forward-backward and left-right, but not up or down. Now, we perceive three spatial dimensions (plus one of time) and thus have no concept of fourth-dimension-forwa... | [] | [
"http://imgur.com/gallery/tNk4f"
] | [
[],
[
"http://www.daviddarling.info/images/tesseract.jpg"
]
] | |
3cp1al | During the relatively brief period of Russia's colonial presence in western North America, what was the Russian/First Nations relationship like? | I've heard of the Battle of Sitka in 1804, but what sort of relations developed between the various peoples involved throughout the rest of this short colonial venture? Were they notably different from American/British/French/Canadian interactions with the continent's indigenous peoples? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3cp1al/during_the_relatively_brief_period_of_russias/ | {
"a_id": [
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"I am guessing /u/The_Alaskan will show up, but like the Russians... I am here first!\n\nThe relationships between the Russians and the Native people of Alaska was a strange beast. I guess, that is a similarity with the oth... | [] | [] | [
[],
[]
] | |
6e3ehq | what use does vitamin a have in your body and how is it stored? | Hello! Just a Chem student working on a project for my final. Was wondering if I could get more of an explanation on it to help improve my presentation. Any help would be greatly appreciated! | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6e3ehq/eli5_what_use_does_vitamin_a_have_in_your_body/ | {
"a_id": [
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"text": [
"My masters thesis is on Vitamin A! This may get removed because it's sort of high detail and not really ELI5, but PM me if you want more info.\n\nVA basically exists as a few different forms in the body. We don't make VA in our body, but we obtai... | [] | [] | [
[]
] | |
405k8g | why is rem sleep in humans usually calm but dogs bark, run and growl in their sleep almost daily? | sleep talking for humans doesn't happen nearly as often. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/405k8g/eli5why_is_rem_sleep_in_humans_usually_calm_but/ | {
"a_id": [
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"text": [
"In humans, there are two chemical processes that keep the body paralyzed during REM sleep.\n\n > Researchers conducted their study in rats to find that there are two separate chemical systems that seem to be at play in helping the body stay paral... | [] | [] | [
[
"http://www.huffingtonpost.com/2012/07/18/muscles-paralyzed-sleep-sleep-act-out-dreams_n_1677587.html"
]
] | |
4lbqaq | Was there ever a formal or otherwise legitimate offer of conditional surrender made by Japan during WWII? What were the terms? When was it made and to whom? | I got sucked into a CMV the other day about the atomic bombing, and someone brought this up but I got very conflicting reports when I tried to google it for specifics. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4lbqaq/was_there_ever_a_formal_or_otherwise_legitimate/ | {
"a_id": [
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"text": [
"No. There was no serious attempt to propose a specific surrender agreement to the US or Allies as a whole. No Japanese official explicitly approached either the US or any intermediary with any surrender plan. Here's a basic summary of what the s... | [] | [] | [
[]
] | |
3tg02h | why are students snapping their fingers instead of clapping? | Recently saw a video of college students and they were snapping their fingers instead of clapping. I've been out of school for over ten years. What did I miss? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3tg02h/eli5_why_are_students_snapping_their_fingers/ | {
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"text": [
"When I was in school that was a sorority thing. Clapping isn't lady like or something. I think only one actually followed that thought. ",
"Basically, among some students in so... | [] | [] | [
[],
[],
[
"http://www.browndailyherald.com/2013/01/23/dorris-15-snap-out-of-it/"
],
[]
] | |
cb4qji | How did WWII flak gunners know how much to lead such high altitude targets? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/cb4qji/how_did_wwii_flak_gunners_know_how_much_to_lead/ | {
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"text": [
"They used mechanical or electro-mechanical analogue computers called directors (in US service) or predictors (in UK service) that predicted the position of an aircraft and directed anti-aircraft guns accordingly. A British Pathé film, [Predictio... | [] | [] | [
[
"https://www.youtube.com/watch?v=_M10k-t73-s",
"https://www.iwm.org.uk/collections/item/object/30028540",
"https://www.iwm.org.uk/collections/item/object/205199060",
"https://www.youtube.com/watch?v=sG6Rr5Kg6Qk",
"https://www.youtube.com/watch?v=DtkJHT_HUnA"
]
] | ||
2kp925 | why is it i can type without looking at my keyboard and i know where everything is, but if you ask me to draw a keyboard i don't know where half the letters go? | It's like I can remember the keyboard layout but I can't at the same time. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2kp925/eli5_why_is_it_i_can_type_without_looking_at_my/ | {
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"Spell out the alphabet a... | [] | [] | [
[],
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158vzp | Do antacids limit digestion? (and other related questions) | askscience | http://www.reddit.com/r/askscience/comments/158vzp/do_antacids_limit_digestion_and_other_related/ | {
"a_id": [
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"text": [
"As a partial/tangential answer to you question, you should look up some information on [Proton Pump Inhibitors](_URL_0_) (PPIs). A significant number of people take it for [Gastroesophageal reflux disease](_URL_2_) (GERD). T... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Proton-pump_inhibitor",
"http://www.health.harvard.edu/fhg/updates/do-ppis-have-long-term-side-effects.shtml",
"http://en.wikipedia.org/wiki/Gastroesophageal_reflux_disease"
],
[]
] | ||
6h5ny6 | can your genome be used to determine that you have a preexisting condition and, if yes, how? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6h5ny6/eli5_can_your_genome_be_used_to_determine_that/ | {
"a_id": [
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"text": [
"In some cases, yes. There are some conditions (Huntington's, Fragile X, etc) that are identifiable in your genome through what we call \"trinucleotide repeats\"... basically a lot of repeats of 3 bases in the DNA. In the case of Huntington's for ... | [] | [] | [
[]
] | ||
2wzzog | [WWI] Why did the Allies continue the naval blockade of Germany until June 1919? | I'm also really interested in the conflicting accounts of the effect that the blockade had on Germany after the Armistice (with starvation, with how much the Allies allowed food and in what fashion).
Thank you! | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2wzzog/wwi_why_did_the_allies_continue_the_naval/ | {
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"There are a couple of reasons reasons that are commonly cited: \n\n* The blockade was an act of war by the Western Allies against Germany, and the state of war against Germany existed until the Treaty of Versailles was signed. (Keep in mind that ... | [] | [] | [
[
"https://libcom.org/history/allied-food-blockade-germany-1918-19-n-p-howard"
]
] | |
1cnvo3 | What happens if you hold something completely still in space and then let go of it? | I was watching the video about what happens when you wring out a wet wash cloth in space and noticed that every time the astronaut let go of the microphone, it floated around even though he was seemingly holding it still.This led me to a few questions about how objects move in space:
If you hold an object completely s... | askscience | http://www.reddit.com/r/askscience/comments/1cnvo3/what_happens_if_you_hold_something_completely/ | {
"a_id": [
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"score": [
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"text": [
"1) If you could release it without imparting any movement, then it would stay perfectly still. However that's hard to do.\n\n2) No.\n\n3) Yes, the ISS (all objects in it), is constantly falling towards the Earth, though its horizontal velocity ca... | [] | [] | [
[]
] | |
24pmzd | why do i get nauseated before i have to speak in front of people in a presentation? | It happens everytime and I'm tired of it. I just want it to stop | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/24pmzd/eli5_why_do_i_get_nauseated_before_i_have_to/ | {
"a_id": [
"ch9fd0j"
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"score": [
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"text": [
"You're just worried about making a mistake or looking silly in front of a group of people. One side effect of anxiety is to tell you it's not the time to eat, so you can flee some threat fast if you need to. Hence the upset stomach. Some suggest... | [] | [] | [
[]
] | |
brgips | Has there ever been any documented fruit or vegetable that has been eaten to extinction? | askscience | https://www.reddit.com/r/askscience/comments/brgips/has_there_ever_been_any_documented_fruit_or/ | {
"a_id": [
"eog38b2"
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"text": [
"Yes.\n\nIn Roman times there was a plant called Silphium. It had an enticing flavor, but even more important it acted as a contraceptive when eaten by women. The Romans ate it to extinction, which was helped by the fact that it couldn't be cul... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Silphium"
]
] | ||
32jyti | Are there any aquatic animals that sneeze? | askscience | http://www.reddit.com/r/askscience/comments/32jyti/are_there_any_aquatic_animals_that_sneeze/ | {
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"text": [
"Sneezing is a way of clearing the respiratory tract of dust, mucous and other obstructions - it is triggered by nasal irritation. Animals with gills, spiracles or other methods ... | [] | [] | [
[],
[
"http://us.whales.org/faqs/facts-about-whales-and-dolphins"
],
[],
[]
] | ||
fygpv | How do we know that all isotopes decay exponentially? | askscience | http://www.reddit.com/r/askscience/comments/fygpv/how_do_we_know_that_all_isotopes_decay/ | {
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"It's just how the math works out. Radioactive decay is random, and there are only two outcomes, a particle will either decay or not decay. Such random variables, where you only have two outcomes, are c... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Bernoulli_distribution"
],
[],
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4ilnfj | why do planes explode when they hit the ground? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4ilnfj/eli5_why_do_planes_explode_when_they_hit_the/ | {
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"text": [
"Airplanes usually have A LOT of fuel on board. Fuel that is even more flammable than gasoline. Hit the ground, cause a spark and boom. Also, the fuel is generally kept in the wing... | [] | [] | [
[],
[],
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] | ||
3zgvoz | During the Viking invasions of Britain of the 9th century, they are referred to as 'Danes'. Was that what the Saxons called all Scandinavians, or were they all just Danish? | I just finished the first season of The Last Kingdom (fantastic show (and book)), and I am wondering if the men of the Great Heathen Army were all, or primarily Danish. As far as I know, the legend Ragnar Lodbrok was a Dane, and his sons who led the Great Heathen Army were also Danish, but I know very little of the tim... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3zgvoz/during_the_viking_invasions_of_britain_of_the_9th/ | {
"a_id": [
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"text": [
"\"Dane\" could mean different things depending on who was using the term and how. In most of our Western European sources (Latin and Anglo-Saxon), it simply refers to anyone who spoke Old Norse (\"Danish\") regardless of whether they were visitin... | [] | [] | [
[
"http://www.tandfonline.com/doi/abs/10.1080/00438243.2015.1100548?journalCode=rwar20",
"https://www.reddit.com/r/AskHistorians/comments/3wx9ej/what_did_the_vikings_actually_consist_of/cxzspbl"
]
] | |
uiasp | what happens when i click on "safely eject hardware" in the windows tray? | Here's what normally happens:
* I have one (1) USB stick in the computer
* I click the "safely Eject Hardware" thing
* Up comes a window asking me what I want to Eject which lists one thing: "USB Mass Storage Device"
* I have to click on that
* Up comes a window with *three* things in it:
* one of them is "USB Ma... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/uiasp/eli5_what_happens_when_i_click_on_safely_eject/ | {
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3,
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"text": [
"If you're asking what happens when you click on the icon, it is just giving you a list of removable storage devices that you can disconnect. The repetition... | [] | [] | [
[],
[],
[
"http://i.imgur.com/9Xzvz.png",
"http://i.imgur.com/tlbl6.png",
"http://i.imgur.com/O3NPM.png"
],
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[]
] | |
68dmye | why is fentanyl being cut into heroin? | I understand that it's much much more potent than typical opiates, but from what I've heard from interviews, it sounds like it's just being cut physically into heroin instead of using any sort of actual dilution or volumetric dosing which is causing the overdoses when people get the actual Fentanyl in their dose. Comin... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/68dmye/eli5_why_is_fentanyl_being_cut_into_heroin/ | {
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"My understanding is that fentanyl is much cheaper than heroin. So the cash saved cutting dope exceeds any lost in consumer death. \n\nAnd I'm not sure how pre... | [] | [] | [
[],
[],
[],
[],
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] | |
3m8dl4 | Are autoimmune diseases transferable through blood transfusions? | Or from transplant grafts etc?
Seems pretty likely if the white blood cells responsible for said diseases are transferred and are able(?) to survive and split. Or are they separated ? | askscience | https://www.reddit.com/r/askscience/comments/3m8dl4/are_autoimmune_diseases_transferable_through/ | {
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2,
2,
2
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"text": [
"Autoimmune diseases go much deeper than just the WBC. Essentially, autoreactive cells make it through maturation checkpoints that should have killed them through apoptosis. When a transplant is done, th... | [] | [] | [
[],
[],
[]
] | |
1rfylf | Gaius Julius Caesar won countless victories against the Gauls. How was he able to so consistently defeat an enemy that massively outnumbered him? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1rfylf/gaius_julius_caesar_won_countless_victories/ | {
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"text": [
"There are a few reasons as to why Caesar was able to fight \"the barbarian horde\" that we see in Gaul. \n\nFirst, it is a matter of equipment. A Roman soldier of the Late Repub... | [] | [] | [
[],
[],
[],
[]
] | ||
6uyv75 | Why are lightning bolts blue? | askscience | https://www.reddit.com/r/askscience/comments/6uyv75/why_are_lightning_bolts_blue/ | {
"a_id": [
"dlwkod5"
],
"score": [
150
],
"text": [
"Our atmosphere is primarily composed of Nitrogen and Oxygen. Those gasses, when ionized, produce a purple and blue color respectively. This is the same effect that makes Neon gas glow red in signs.\n\n_URL_0_"
]
} | [] | [] | [
[
"https://en.wikipedia.org/wiki/Ionized-air_glow"
]
] | ||
5sbuo7 | How truly awful was the life of a Russian serf before WWI? | I've heard Russian serfs, even into WWI, were treated little better than slaves. Was this actually the case, and if so, what conditions would they be living under? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5sbuo7/how_truly_awful_was_the_life_of_a_russian_serf/ | {
"a_id": [
"ddf67so"
],
"score": [
3
],
"text": [
"First thing, there were no serfs in Russia in 1914. The Emancipation Decrees of the \"Tsar Liberator\" Alexander II had abolished the institution of serfdom in 1861. So the idea of a mass of Russians in forced bondage conditions of unfree labor w... | [] | [] | [
[]
] | |
40hiiw | After the enormous losses of men during WW1 and WW2, how did German society (and others) deal with this dramatic loss of men from their society? (e.g. the lack of workers, the lack of fathers and grand fathers, the lack of future husbands, etc.) | I simply can't imagine how such a dramatic loss of a particular gender would affect a society, in this case men. The lack of workers, the lack of fathers and grand fathers, the lack of future husbands. How did this affect German society (and others)? How did they deal with this at the time, and what effects did it u... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/40hiiw/after_the_enormous_losses_of_men_during_ww1_and/ | {
"a_id": [
"cyuutd7"
],
"score": [
23
],
"text": [
"To respond to one portion of your question, one of the ways that Germany dealt with the lack of workers was via the bringing of Gastarbeiter (translates roughly to guest worker) to the country. West Germany, partially due to the economic aid of ... | [] | [] | [
[
"http://www.migrationpolicy.org/article/germany-immigration-transition/"
]
] | |
646a9i | Situations Europe and the Middle East 1120-1130? | Could somebody summarize Warfare in terms of weaponry and tactics in Europe and the Middle East 1120-1130? With sources, please. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/646a9i/situations_europe_and_the_middle_east_11201130/ | {
"a_id": [
"dfzu1x6"
],
"score": [
5
],
"text": [
"Hi there!\n\nAs you probably realise yourself, this is a SUPER-broad question, and the answer could probably fill several books! Do you think you could narrow it down a little - it might help you to get a better answer.\n\nFor example, why are yo... | [] | [] | [
[]
] | |
bfudu1 | why do inflamed areas of the mouth taste more salty? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bfudu1/eli5_why_do_inflamed_areas_of_the_mouth_taste/ | {
"a_id": [
"elgeu8x"
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"score": [
3
],
"text": [
" There can be lots of different reasons: dehydration, nasal drip, dry mouth, blood in mouth etc. [_URL_0_](_URL_0_)"
]
} | [] | [] | [
[
"https://www.medicalnewstoday.com/articles/321202.php"
]
] | ||
1pu5k8 | how can animals such as the horse eat only one type of food and still be powerful versus humans who must eat many sources of food? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1pu5k8/eli5_how_can_animals_such_as_the_horse_eat_only/ | {
"a_id": [
"cd642c2"
],
"score": [
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"text": [
"To add to the previous comments and to clarify, you don't mean just grass with \"one type of food\" or do you? Because horses basically eat all the green plant material around them which apart from grasses includes many other herbaceous (i.e. gre... | [] | [] | [
[]
] | ||
vmiuc | (2)1tb hard drives. 1st is completely full of data, the other is factory sealed & unused. will one hd weigh just slightly more than the other? | Even just a flake of dust more? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/vmiuc/eli5_21tb_hard_drives_1st_is_completely_full_of/ | {
"a_id": [
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"score": [
68,
5,
4,
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"text": [
"No there wouldn't, assuming they are completely identical apart from the data. The data is encoded as the direction of the magnetic field in a cell. So a magnetic field pointing o... | [] | [] | [
[],
[],
[],
[
"http://www.physicsforums.com/showthread.php?t=361792",
"http://www.telegraph.co.uk/science/science-news/8858355/E-readers-get-heavier-with-each-book.html"
]
] | |
60n9z3 | why are r rated movies and m rated video games considered appropriate for ages 17+ but adulthood is considered 18+? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/60n9z3/eli5_why_are_r_rated_movies_and_m_rated_video/ | {
"a_id": [
"df7p5rl"
],
"score": [
3
],
"text": [
"According to what I have heard, rating systems are pretty arbitrary in the way that they score and categorize games/movies/TV. For example, films with intense violence can pass for PG-13, but an otherwise violence-free film with some swear words ... | [] | [] | [
[]
] | |
18knyz | How can my monitor show videos in 1080p, when its max resolution is 1440*900? | askscience | http://www.reddit.com/r/askscience/comments/18knyz/how_can_my_monitor_show_videos_in_1080p_when_its/ | {
"a_id": [
"c8fmyyx",
"c8fmza0"
],
"score": [
3,
17
],
"text": [
"It won't. It will display the maximum that it can and then omit certain lines of resolution. Depending on drivers, software, and other factors, different methods of display will occur. Your computer will either fill your en... | [] | [] | [
[],
[]
] | ||
2f9pdk | What is breaking when something breaks? | When something breaks--say, a metal bar--what is really breaking? Atomic bonds? Pieces of the material that are just wedged up against each other? At the two edges where the break occurs, what physically is being separated? | askscience | http://www.reddit.com/r/askscience/comments/2f9pdk/what_is_breaking_when_something_breaks/ | {
"a_id": [
"ck798na",
"ck7ndye"
],
"score": [
2,
2
],
"text": [
"Depends on the object you're breaking: metal objects consist of many atoms of this metal (or different atoms in an alloy) that form a \"metal bond\". When the metal is cut or \"breaks\", these metal bonds are broken.",
"... | [] | [] | [
[],
[]
] | |
9vgr69 | why do an all electric car needs a 12v battery. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9vgr69/eli5_why_do_an_all_electric_car_needs_a_12v/ | {
"a_id": [
"e9c27ry",
"e9c404w",
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"e9ce50u"
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"score": [
17,
3,
2,
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],
"text": [
"Because they don't want to reinvent everything that's already developed for cars. Window motors, headlights, radios, various sensors and every electronic device you can think of t... | [] | [] | [
[],
[],
[],
[]
] | ||
3e9e56 | why is nicki minaj's outburst on twitter being backed as an exposing the racist side of the music industry? | I can understand that there are racial biases in the world and in the music industry, but i can't understand why this specific instance is getting at. 3 of the nominated videos are by black artists. 1 other features a black artist. She also states that only "thin bodies" are being celebrated when Beyonce's 7/11 feature... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3e9e56/eli5_why_is_nicki_minajs_outburst_on_twitter/ | {
"a_id": [
"ctctcs5",
"ctcuknt",
"ctcxonz"
],
"score": [
7,
7,
2
],
"text": [
"Probably a slow news cycle, and right now race relations are a hot topic. It's a real good way to cause controversy which in turn draws viewers. ",
"Second-hand answer: \nNicki made several commen... | [] | [] | [
[],
[],
[
"https://www.reddit.com/r/explainlikeimfive/comments/3ea00t/eli5why_is_nicki_minaj_claiming_racism_for_not/"
]
] | |
7hdu26 | do marketing companies intentionally make certain commercials annoying? what is the purpose of this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7hdu26/eli5_do_marketing_companies_intentionally_make/ | {
"a_id": [
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"score": [
11,
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],
"text": [
"Yes. Because it gets people talking about the brand. There is no such thing as bad press. They just want you to talk about it weather its a great add or shitty",
"Puppymonkeyb... | [] | [] | [
[],
[],
[],
[]
] | ||
dgkctf | Why do schools teach fake or incomplete versions of history to students in the first place? | From lighter things like Washington chopping down a cherry tree, to more significant things like Columbus landing in America and being nice to natives, that everyone believed the world was flat, that Rosa Parks was the first African American to not move from her bus and she just did it because her feet hurt.
There ar... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/dgkctf/why_do_schools_teach_fake_or_incomplete_versions/ | {
"a_id": [
"f3dqk0s"
],
"score": [
99
],
"text": [
"Until the mid-1800's or so, the purpose of formal education in these United States was mostly about providing the sons of those with access to power (which is to say white men) the knowledge base common among those with access to power. The curr... | [] | [] | [
[]
] | |
20wzh0 | why is dust-free cat litter so dusty? | Most [clay] cat litter claims to be 99% dust free, yet clouds of dust waft into the air and cover the room each time I scoop. What's going on here?
I assume that there's some scientific standard that the litter makers are using to back up this claim, but whatever that standard is seems profoundly divorced from real... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/20wzh0/eli5_why_is_dustfree_cat_litter_so_dusty/ | {
"a_id": [
"cg7ig1u",
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"score": [
13,
11,
5
],
"text": [
"I'm sure there is not much regulation on the claim, other than general advertising laws/regulations. It's worth noting, that if your house was 1% dust you'd move out, it'd be so disgusting. What doe... | [] | [] | [
[],
[],
[]
] | |
nytq0 | How does a protein assume its shape so quickly/without an overwhelming error rate? | In high school Bio I remember learning that proteins are produced linearly then assume a shape based on the way various series of amino acids along the length adhere to one another. I have a few questions.
* Given the number of amino acids in proteins, it would be my expectation that such a process, if based only on t... | askscience | http://www.reddit.com/r/askscience/comments/nytq0/how_does_a_protein_assume_its_shape_so/ | {
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"score": [
5,
7,
20,
5,
4,
2
],
"text": [
"My background is in ab initio methods and folding, and not chemistry, but one assumption we make is that proteins that do not fold in a... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Protein_folding"
],
[],
[],
[
"http://en.wikipedia.org/wiki/Alpha_helix"
],
[]
] | |
867jjb | How old are finding aids for libraries or archives? Would a university library in Europe in the 1500s have a detailed list of books and materials held in the library, and their location in the stacks? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/867jjb/how_old_are_finding_aids_for_libraries_or/ | {
"a_id": [
"dw324qc"
],
"score": [
8
],
"text": [
"[Archives of Ancient Sumer](_URL_0_) (c. 4500 – c. 1900 BC) catalogued their holdings of clay tablet texts via the **incipits** (the opening few words), and the incipits are listed on catalogue tablets for easy reference.\n\nAn example of the lis... | [] | [] | [
[
"https://books.google.ca/books?id=YVhWu06J5j0C&pg=PA14&lpg=PA14&dq=clay+tablet+sumer+incipit&source=bl&ots=XvhQaewKJ_&sig=o6dUOZrN9vdK8_W9_utmN0eGfwM&hl=en&sa=X&ved=0ahUKEwi5u5js6_7ZAhUITKwKHTAGDIkQ6AEIeTAL#v=onepage&q=clay%20tablet%20sumer%20incipit&f=false"
]
] | ||
4k5ck3 | how do live audience shows such as snl or studio c work? | The audience often doesn't laugh until the camera pans over to whatever the joke is, and sometimes they use green screen effects. Do they watch on separate tv's while the cast performs somewhere else? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4k5ck3/eli5_how_do_live_audience_shows_such_as_snl_or/ | {
"a_id": [
"d3c9hyx"
],
"score": [
4
],
"text": [
"There is a big \"Applause\" sign that lights up to signal the audience to laugh.\n\nFor green-screen stuff, there is a separate screen that they can look at it to see it's full glory."
]
} | [] | [] | [
[]
] | |
9v5r4y | what are ionic, covalent, and metallic bonds? what makes them different from each other? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9v5r4y/eli5_what_are_ionic_covalent_and_metallic_bonds/ | {
"a_id": [
"e99m0te",
"e99mdp9"
],
"score": [
3,
2
],
"text": [
"An ionic bond is when two atoms trade an electron, one atom gives it up, the other gets it. The two atoms become ions because of this. Then the electric charge of the two atoms attracts them together.\n\nA covalent bond is w... | [] | [] | [
[],
[]
] | ||
etjiw8 | why does spacex land it's used boosters on a drone ship in the sea and not on land? why take the risk of the booster toppling over or the whole mission getting scrubbed due to choppy seas? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/etjiw8/eli5_why_does_spacex_land_its_used_boosters_on_a/ | {
"a_id": [
"ffgrmkt",
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"ffgt4b7",
"ffgxika",
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"score": [
14,
6,
3,
3,
2
],
"text": [
"Rockets have to go stupendously fast to get their payload going, and they have to do it while tipping sideways. That means, when the Falcon stages separate, ... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
37cves | The traditional narrative is that all Jews were expelled from England in 1290, and none were allowed into the country until 1657. Did any Jews discretely live in England during the centuries in between? | If a Jewish family settled in 15th century London, would they be reported to the mayor or another authority? Did any Jewish families resist the 13th century expulsion?
Are there any mentions of Jews in England at all between 1290 and 1657? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/37cves/the_traditional_narrative_is_that_all_jews_were/ | {
"a_id": [
"crlxp2u"
],
"score": [
12
],
"text": [
"There were those that stayed. The records of the Domus Conversorum tells us this. However out side of those records, little is available from the era immediately after the expulsion. Occasional permits would allow for individual jews to come and... | [] | [] | [
[]
] | |
aadaku | how do credit card companies make money with all of their cash back deals? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/aadaku/eli5_how_do_credit_card_companies_make_money_with/ | {
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2,
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3
],
"text": [
"They make money from transaction fees charged to merchants and interest from people who don't pay them off every month.",
"Two ways.\n\nCredit card compa... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
r6jjs | - school funding in america. | I'm primarily asking about how the differences of local wealth/poverty play into the school's funding, but a good once over on the whole system would be appreciated as well. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/r6jjs/eli5_school_funding_in_america/ | {
"a_id": [
"c43bdw9",
"c43c4p6"
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"score": [
9,
7
],
"text": [
"Schools are funded based on property taxes paid in that school's district. The higher the property values, the more taxes paid into the system, the more money the schools get. Schools also receive government money based on t... | [] | [] | [
[],
[
"http://www.utaheducationfacts.com/index.php?option=com_content&view=article&id=85&Itemid=56"
]
] | |
1qbhrv | uk redditors - why is the gov proposing introducing the 'living wage' rather than raising the national minimum wage? | What the gov seem to be saying is that the minimum wage isn't enough to live on. If that's the case, surely it makes sense to raise the minimum wage rather than introduce a slightly higher 'living wage'. Why would you have both? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1qbhrv/eli5_uk_redditors_why_is_the_gov_proposing/ | {
"a_id": [
"cdb4qco"
],
"score": [
7
],
"text": [
"So this is the labour party making a proposal, not the government, and they intend it to be part of their party platform.\n\nLiving and minimum wages are different things - though similar. A living wage in London and a living wage in Manchester ... | [] | [] | [
[]
] | |
clv455 | How long does it take for two celestial bodies to become tidally locked? What does the transition from being not tidally locked to being tidally locked look like? | I'm wondering, specifically, if there's any "overshoot" right as tidal locking occur. Does one body simply rotate slower and slower, until it's rotation comes to a stop relative to the other body, or does it "overshoot" and reverse its direction of rotation before becoming tidally locked? | askscience | https://www.reddit.com/r/askscience/comments/clv455/how_long_does_it_take_for_two_celestial_bodies_to/ | {
"a_id": [
"evy55xu",
"evyqmoo"
],
"score": [
6,
3
],
"text": [
"The equation for it is here: _URL_0_\n\nThe difficult parameters basically have to do with how squishy the planet is; a ball of lava will become tidally locked much faster than an almost-perfectly-rigid sphere.\n\nThe main t... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Tidal_locking#Timescale"
],
[
"http://stacks.iop.org/0004-637X/731/i=1/a=67?key=crossref.f2a66be4cca8f8f9f8f0ded7f7887d08",
"https://arxiv.org/abs/1009.1352",
"http://arxiv.org/abs/1710.00858",
"http://arxiv.org/abs/0807.4870",
"http://arxiv.org/abs/0902.... | |
2gfyvv | Why do most elements end with -ium? | Helium, magnesium, aluminum, uranium etc. | askscience | http://www.reddit.com/r/askscience/comments/2gfyvv/why_do_most_elements_end_with_ium/ | {
"a_id": [
"ckitizw"
],
"score": [
19
],
"text": [
"Well, they end in *-um* because it's a good Latin neuter singular of the second declension: that is, it's a way you can refer to 'stuff' of the sun (*helios*), or of Magnesia (where magnesium and magnetic stuff was found), of lime (*calx, calcis... | [] | [] | [
[]
] | |
2ojzc4 | gene therapy and how it works in this article about my disease | _URL_0_ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ojzc4/eli5_gene_therapy_and_how_it_works_in_this/ | {
"a_id": [
"cmntz85"
],
"score": [
2
],
"text": [
"So your body's \"blueprint\" is kept in a giant molecule called DNA, and a small section of that DNA is flawed causing your disease. It's like a lengthy instruction manual with a page ripped out or smeared. So that part of your instruction book i... | [] | [
"http://smanewstoday.com/2014/12/05/dosing-completed-for-type-1-spinal-muscular-atrophy-clinical-trial/"
] | [
[]
] | |
l7681 | Why do I have more moles today than, say, 5 years ago? Why have some of them disappeared? | I have a lot of small-ish moles, especially on my forearms. Over the years I've noticed some have disappeared, while others have appeared in different places. For example, I used to have about 4 moles on my left hand: 3 of the "original" ones have disappeared, and a new one has appeared a couple of years ago.
I'm just... | askscience | http://www.reddit.com/r/askscience/comments/l7681/why_do_i_have_more_moles_today_than_say_5_years/ | {
"a_id": [
"c2qcio9",
"c2qcio9"
],
"score": [
2,
2
],
"text": [
"Wikipedia has quite a good article on [moles](_URL_1_) and basically moles tend to appear due to UV radiation (though that's kinda disputed) and the influence of your genes. Then there's [petechiae](_URL_0_), that appear aft... | [] | [
"http://imgur.com/RzQYy"
] | [
[
"https://secure.wikimedia.org/wikipedia/en/wiki/Petechiae",
"https://secure.wikimedia.org/wikipedia/en/wiki/Mole_%28skin%29"
],
[
"https://secure.wikimedia.org/wikipedia/en/wiki/Petechiae",
"https://secure.wikimedia.org/wikipedia/en/wiki/Mole_%28skin%29"
]
] | |
gpjdi | If the earth's core and mantle were to cool off somehow, would the crust and life on the surface be affected in any way? | I suppose this is largely a hypothetical question that may not have much to it, but it interests me. If by some magical means the core and mantle cooled down to the temperature of the crust, what would happen? Would plate tectonics be affected? How would it affect volcanoes, earthquakes, and the like? Would there be a ... | askscience | http://www.reddit.com/r/askscience/comments/gpjdi/if_the_earths_core_and_mantle_were_to_cool_off/ | {
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"score": [
5,
2,
5,
7,
3
],
"text": [
"Plate tectonics (and by consequence earthquakes and volcanoes) would stop.",
"Rock has \"a significant coefficient of thermal expansion, as does the metal... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/Geothermal_gradient",
"http://en.wikipedia.org/wiki/Future_of_the_Earth",
"http://www.physicsforums.com/showthread.php?t=206512"
],
[],
[]
] | |
ek3mot | how do those underwater flares work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ek3mot/eli5_how_do_those_underwater_flares_work/ | {
"a_id": [
"fd5wr25",
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"score": [
3,
5,
5
],
"text": [
"You need a fuel, like magnesium, an oxidizer (something that releases an oxygen containing molecule) to react with the fuel, and a water repellant binder, like linseed oil mixed with certain other stuff... | [] | [] | [
[],
[],
[]
] | ||
474bzr | Why do we have kneecaps, but we don't have elbow caps? | askscience | https://www.reddit.com/r/askscience/comments/474bzr/why_do_we_have_kneecaps_but_we_dont_have_elbow/ | {
"a_id": [
"d0a5ivn",
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"d0atg36"
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"score": [
111,
61,
35,
33,
5,
3
],
"text": [
"Google Olecranon. Similar function, but part of the ulna, one of the long bones in the arm. Why not a separate elbow cap? The knee ... | [] | [] | [
[],
[],
[
"https://en.wikipedia.org/wiki/Evolution_of_tetrapods#From_fins_to_feet"
],
[],
[],
[]
] | ||
4reqay | What are the basics of quarks and extradimensions? | askscience | https://www.reddit.com/r/askscience/comments/4reqay/what_are_the_basics_of_quarks_and_extradimensions/ | {
"a_id": [
"d50itxx",
"d517a33"
],
"score": [
4,
3
],
"text": [
"Those concepts aren't really related, but you can read about extra dimensions [here](_URL_0_).",
"Quarks are fundamental particles that interact via something called the strong interaction. The strong interaction is medi... | [] | [] | [
[
"http://klotza.blogspot.com/2015/11/what-do-we-know-about-extra-dimensions.html"
],
[]
] | ||
3kr7vv | how ac can be converted to dc without a source of electrons. does dc drain electrons? | Is AC using alternating movement of electrons "back-and-forth" to transmit energy.
Is so, how is this converted to DC which (so I imagine) is a single-directional flow of electrons to transmit energy to things like Batteries.
This has always puzzled me, a complete moron. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3kr7vv/eli5_how_ac_can_be_converted_to_dc_without_a/ | {
"a_id": [
"cuzt41y"
],
"score": [
4
],
"text": [
"Using things called diodes. More specifically, a diode bridge. Even more specifically, a full wave bridge rectifier. A diode is like a one-way check valve. Current can only flow through in one direction, but not the other. Putting diodes in ... | [] | [] | [
[
"https://www.youtube.com/watch?v=WSHVg9Cdg1s"
]
] | |
w9sf2 | Possibly dumb question about ancestry. | So I realized that I have 2 parents, 4 grandparents, 8 great-grandparents and so on, it doubles for every generation I track my ancestry back. Say I were to do this for 50 generations, 1500 years or so, then that generation alone would have 1 125 899 906 842 624 people, 2^50. This is AFAIK 11 256 times more people than... | askscience | http://www.reddit.com/r/askscience/comments/w9sf2/possibly_dumb_question_about_ancestry/ | {
"a_id": [
"c5bhs8w",
"c5bkapa"
],
"score": [
8,
5
],
"text": [
"The further back you go the more you see the same people in multiple spots. My family tree starts to see cross over about 10 generations back and by the time you are in 15th century Europe one name may show up in dozens of s... | [] | [] | [
[],
[
"http://www.genetic-genealogy.co.uk/supp/ancestor_paradox.html"
]
] | |
34jhtv | Would Romans have sex with their slaves, and if do how often? | In the HBO show rome, mark Anthony says to the "liberators" that after his turn ó office he will "retire to the countryside, tend to my fields and fuck my slaves.". Was this common among the Roman population, and if so was it more common for a roman citizen ti fuck his slave rather than his wife or fiance? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/34jhtv/would_romans_have_sex_with_their_slaves_and_if_do/ | {
"a_id": [
"cqvmt6w",
"cqvnlgt"
],
"score": [
3,
18
],
"text": [
"A comment posted on here a while back about the Catholic church's sexual restraint in that period mentioned that it did declare that it was wrong to have sex with one's own slaves, so it was most certainly going on among a ... | [] | [] | [
[],
[]
] | |
2o44aw | what happens to the animals killed during crop harvesting? | I'm not a farmer, but I've always been curious about it. All of the animals that are killed by harvesting machinery... what happens to their carcasses? I tried Google searching but I just get a bunch of arguments against being vegan. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2o44aw/eli5_what_happens_to_the_animals_killed_during/ | {
"a_id": [
"cmjjbgb",
"cmjjf4w"
],
"score": [
2,
5
],
"text": [
"What animals?\n\nAre you talking about things like field mice and rabbits killed when harvesting plants? Or animals that die and are unsuitable for consumption?",
"A farmer friend of mine said, yes they do occassionally ... | [] | [] | [
[],
[]
] | |
1l986g | why isn't it over 'til the fat lady sings? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1l986g/eli5why_isnt_it_over_til_the_fat_lady_sings/ | {
"a_id": [
"cbwy0qa"
],
"score": [
2
],
"text": [
"It's a term that emerged in reference to operas.\n\n_URL_0_"
]
} | [] | [] | [
[
"http://en.wikipedia.org/wiki/It_ain%27t_over_till_the_fat_lady_sings"
]
] | ||
2woq5t | In the post colonial world has there ever been an effort to peacefully adjust borders? | I was thinking about the swap of territory between France and Italy in Savoy, and how the borders in much of Africa and the Middle East are arbitrary, have countries ever tried to peacefully swap land in order to improve both nations? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2woq5t/in_the_post_colonial_world_has_there_ever_been_an/ | {
"a_id": [
"cotb3tr"
],
"score": [
2
],
"text": [
"Well, Italy's most recent changes to its NW border aren't so much the result of peaceful negotiations.\n\nTo begin with, both Savoy and the County of Nice had been annexed by France after the Agreements of Plombières had been signed in 1860; Ital... | [] | [] | [
[]
] |
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