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 |
|---|---|---|---|---|---|---|---|---|---|
eax4lm | where does all the food go? | Especially if you have a high metabolism where you’re not gaining weight and not pooping an equivalent amount to how much you eat. Where is all this excess food going? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/eax4lm/eli5_where_does_all_the_food_go/ | {
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"Poop, heat, and consumed useful energy. You basically take the nutrients, break them down, make energy molecules, release a lot of heat along the way. Then, use this energy to build things like proteins from things you got from food (amino acids)... | [] | [] | [
[]
] | |
2uyt3g | if cellular radio waves are basically everywhere all the time, how do they not get blended with eachother? | Same goes for radio stations I guess. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2uyt3g/eli5if_cellular_radio_waves_are_basically/ | {
"a_id": [
"cocwrve"
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"score": [
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"text": [
"They all have slightly different frequencies, which makes it easier to tell the difference. \nImagine you're trying to pull one thing out of a box while blindfolded. There are three items in the box. Those three things are all apples, but you're ... | [] | [] | [
[]
] | |
19tjl9 | How does Antivirus software work? | I mean, there are ton of script around. How does antivirus detect if a file is a virus or not? | askscience | http://www.reddit.com/r/askscience/comments/19tjl9/how_does_antivirus_software_work/ | {
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"By checking against a database of known virus signatures, which are a string of bits k... | [] | [] | [
[],
[],
[
"http://www.cert.org/incident_notes/IN-99-03.html",
"http://www.symantec.com/security_response/"
],
[
"http://www.reddit.com/r/AskReddit/comments/19d8gr/how_does_antivirus_software_work/"
],
[],
[],
[
"http://en.wikipedia.org/wiki/Antivirus_software#Problems_caused_by_false... | |
2fd9va | how did we come to understand universal symbols for play, rewind, fast forward, and so on. what is the design of these symbols called? | Something I was thinking about recently is how a lot of devices like remotes, control panels, etc, all have these symbols that are shorthand for the function they perform.
Examples: _URL_0_
Like, 'star' has become pretty standard for favorite something, a heart/thumbs up is a like, and so on. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2fd9va/eli5_how_did_we_come_to_understand_universal/ | {
"a_id": [
"ck84amq",
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"score": [
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"text": [
"They become ICONS by means of a general CONSENSUS as to what they mean.",
"We all understand them because culturally we've been conditioned to know that a thumbs up means \"good/like\", a heart mean... | [] | [
"http://cache4.asset-cache.net/xc/466037403.jpg?v=1&c=IWSAsset&k=2&d=B53F616F4B95E5538F961FB2DF43F838F6C0FB6433A47A7438F76B61711082D1"
] | [
[],
[],
[
"http://imgur.com/gallery/Lp0hn"
]
] | |
88g8jl | what is bicarbonate? | I am learning about the means of transport of carbon dioxide in my college A & P II class right now and I learned that 70% of CO2 is transported as bicarbonate dissolved in plasma. The only chemistry background I have is junior year high school chem, so I’m very confused about what bicarbonate is, especially in relatio... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/88g8jl/eli5_what_is_bicarbonate/ | {
"a_id": [
"dwkg7dc"
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"score": [
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"text": [
"Bicarbonate is HCO3(-). It acts as a buffer keeping your blood within certain pH values. \n\nIt is formed when H2O and CO2 are combined in red bllod cells by carbonic anhydrase(an enzyme) to make carbonic acid, H2CO3. This carbonic acid quickly ... | [] | [] | [
[]
] | |
7jju3e | When did Sunzi's "The Art of War" become popular in the West? | Furthermore, was Machiavelli's [book by the same name](_URL_0_) intentionally titled the same as Sunzi's masterpiece? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7jju3e/when_did_sunzis_the_art_of_war_become_popular_in/ | {
"a_id": [
"dr70eva"
],
"score": [
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"text": [
"It's a late 20th century phenomenon. The book was not translated into any European language until French in the late 18th century and wasn't completely translated into English until 1910 by Lionel Giles (as _Sun Tzu on the Art of War_). Machiavel... | [] | [
"https://en.wikipedia.org/wiki/The_Art_of_War_\\(Machiavelli\\)"
] | [
[
"https://en.wikipedia.org/wiki/Samuel_B._Griffith",
"https://i.imgur.com/jdlotUa.png"
]
] | |
23kq8x | During WWII, what was Stalin's plans for if the Germany army captured Moscow? | Would they have moved their administration/capital to the East? In the event of Moscow's fall, what would Germany have done: continued into Siberia or negotiated a peace treaty? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/23kq8x/during_wwii_what_was_stalins_plans_for_if_the/ | {
"a_id": [
"cgy1vux"
],
"score": [
131
],
"text": [
"In October 1941 the Soviets began seriously discussing the possibility of Moscow falling. Stalin decided that he was going to stay in the capital. It was feared that seeing Josef Stalin and the government flee would cause a massive panic among ... | [] | [] | [
[]
] | |
7y5jd5 | If I were a sexually active gay man in early 19th century England that never actually broke the anti-sodomy laws how open could I be? | I was reading recently about a missionary that was sacked over allegations of homosexual activity, and was kind of surprised to learn that nothing he was alleged to have done was actually illegal at the time. My questions are, if you weren't actually breaking the law could you still get in trouble? How and from who? Co... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7y5jd5/if_i_were_a_sexually_active_gay_man_in_early_19th/ | {
"a_id": [
"duegu37",
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"score": [
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10
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"text": [
"This question got me curious: what does it mean to be sexual active but not violate the anti-sodomy laws on the books? The following answer is not from a deep font of knowledge, but is merely what I have gathered through ... | [] | [] | [
[
"https://law.justia.com/cases/montana/supreme-court/1959/343-p-2d-539.html"
],
[
"https://www.oldbaileyonline.org/"
]
] | |
1hxcls | what happens to prices/wages when a country implements euro as the currency? | I have friends in a country that is not in the eurozone yet, but there is talk of adopting euro as the currency. What would that mean in terms of prices? Even if the current food/domestic products prices may be way below the average EU price, I do not expect everything to stay at the same level. Will that mean people w... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1hxcls/eli5_what_happens_to_priceswages_when_a_country/ | {
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"text": [
"In theory (and largely in practice) prices and wages will stay the same, just in a different currency.\n\nYou're correct in your implication that this means that goods and services can vary widely in pr... | [] | [] | [
[],
[
"Euro.no"
],
[]
] | |
356zk7 | Why do war memorials in Britain commemorate World War I as 1914 to 1919 | I have noticed this at memorials all over Britain. Why don't they say 1914 - 1918? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/356zk7/why_do_war_memorials_in_britain_commemorate_world/ | {
"a_id": [
"cr1ks87"
],
"score": [
38
],
"text": [
"World War I technically ended in 1919.\n\nGermany signed an armistice with the Allies in November 1918 which marked only the end of actual fighting, but not the war itself. The war is considered still ongoing until the terms of surrender are for... | [] | [] | [
[]
] | |
10g9gu | how can an animal eat its own kind with no side effects but human cannibalism causes brain damage? | Deep down we're all 'animals'. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/10g9gu/how_can_an_animal_eat_its_own_kind_with_no_side/ | {
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"text": [
"Animals can't either; look up mad cow disease.",
"It isn't the human flesh that causes brain damage, it is the risk of parasites/prions in the human fl... | [] | [] | [
[],
[],
[],
[],
[]
] | |
2ne6oo | What decides which plate subducts in ocean-ocean convergent plate boundaries? | And another quick question: continent-continent plate boundaries don't see any subduction because both of the plates are less dense than the asthenosphere, right? | askscience | http://www.reddit.com/r/askscience/comments/2ne6oo/what_decides_which_plate_subducts_in_oceanocean/ | {
"a_id": [
"cmcy1a7"
],
"score": [
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"text": [
"For the ocean-ocean case, basically the age of the plates. Age is essentially a proxy for temperature/thickness. Imagine tracking a piece of oceanic crust from its formation point at a mid-ocean ridge. As it moves away from the ridge, it cools an... | [] | [] | [
[]
] | |
f4gvat | why are people born with photographic memories? how does this impact psychological childhood development? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f4gvat/eli5_why_are_people_born_with_photographic/ | {
"a_id": [
"fhqq12i"
],
"score": [
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],
"text": [
"Photographic memory is a myth. Not a single case of it has even been found, so no one is born with it. Makes for great TV though. \n\n\nThere is such a thing as Eidetic memory, but only really found in children, disappears as they get older, and... | [] | [] | [
[]
] | ||
1w1syl | Speed differences for loading content from Discs, Hard-Drives and Solid State Drives(SSD) | Eg., running Crash Team Racing. Would it load quicker on an original PS1 or as a ROM on a PS1 emulator saved to a HDD/SDD on a PC? What speed differences would there be? | askscience | http://www.reddit.com/r/askscience/comments/1w1syl/speed_differences_for_loading_content_from_discs/ | {
"a_id": [
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"text": [
"It might load quicker from an HDD/SDD. \n\nI'm not sure about PS1 emulators but some emulators (sometimes only on some roms) need to slow down reading from HDDs to match the loading speed of the original drive as loading at ... | [] | [] | [
[],
[]
] | |
477hup | how were the first construction cranes built when there were no other cranes to reach or lift the heavy weights? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/477hup/eli5_how_were_the_first_construction_cranes_built/ | {
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"text": [
"Cranes can construct themselves. You dont need a crane to build a crane. Its tricky but it can be done.\n\nYou could also easily build a crane by constructing scaffolding around it and putting it togeth... | [] | [] | [
[],
[],
[
"https://en.m.wikipedia.org/wiki/Gin_pole"
]
] | |
ehh4n9 | how it is determined that people who died while texting-and-driving were actually looking at their phone at the time of (or time leading to) impact? | I always wonder how it is determined that people who died while texting-and-driving were actually looking at their phones at the time of (or time leading to) impact. I feel like it’s a pretty serious accusation to make - as it, in a way, provides a rationale for their death.
I should clarify that I’m the most anti-tex... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ehh4n9/eli5_how_it_is_determined_that_people_who_died/ | {
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"text": [
"No way to know accurately. But some estimates based on witnesses that saw the driver texting. Seeing sent text messages with that time stamp, etc. In general cellphone in hand... | [] | [] | [
[],
[],
[],
[]
] | |
9w800e | Did the ancient Arabs, such as the Qedarites, self-identify with the Biblical genealogy of the Arabs, i.e. Ishmaelites? | Genesis 16:12 has Ishmael described as 'a wild ass of a man' so I think that it would be unlikely that the Arabs would identify with the character. Is there any evidence of the ancient Arabs calling themselves Ishmaelites?
I am also skeptical of Islamic genealogies of the Arabs, because they were compiled retroactivel... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/9w800e/did_the_ancient_arabs_such_as_the_qedarites/ | {
"a_id": [
"e9lsmg7"
],
"score": [
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],
"text": [
" > Is there any evidence of the ancient Arabs calling themselves Ishmaelites?\n\nThe term *Ishmaelites* appears mostly in non-Arabic sources. While a genealogical link between the Arabs and Ishmael appears in numerous Arabic sources, Arabs nonet... | [] | [] | [
[]
] | |
1aukj8 | how does my hair get tangled so quickly? | I swear it takes all of 10 minutes for tangles to appear in my hair. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1aukj8/eli5_how_does_my_hair_get_tangled_so_quickly/ | {
"a_id": [
"c90y1vc"
],
"score": [
3
],
"text": [
"Entropy. There are more ways for your hair to be tangled, than untangled. "
]
} | [] | [] | [
[]
] | |
rcbek | why do i look up and the right when i'm trying to remember something? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/rcbek/eli5_why_do_i_look_up_and_the_right_when_im/ | {
"a_id": [
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"score": [
2,
2
],
"text": [
"I look to the side, personally; I think looking in another direction helps you focus on something different quicker.",
"It's a microexpression. You're looking away as your brain tries to find the memory. \n\nPolice somet... | [] | [] | [
[],
[]
] | ||
3niee0 | It was common for upper-class European women prior to the contemporary era to occupy themselves with pursuits in music and art as a matter of enriching home-life. Do we know of any outstanding talents among them? | This is generally a class of women who did not have much in the way of public life or personal notoriety, and would likely have shied away from widespread acclaim as a matter of propriety -- but surely among an entire class of women whose role (after babies) was to delight and entertain, there had to be some that were ... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3niee0/it_was_common_for_upperclass_european_women_prior/ | {
"a_id": [
"cvodh2i",
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"score": [
2,
2,
14
],
"text": [
"Are you looking exclusively for married upper class women who took a hobby of music and became famous for it, or just if there are famous female musicians prior to the modern era?",
"Mary Casssatt ... | [] | [] | [
[],
[],
[
"https://www.youtube.com/watch?v=WYfM65BSodA",
"https://www.youtube.com/watch?v=2r1lBdZAa54",
"https://www.youtube.com/watch?v=KUMMxsy4a88",
"https://www.youtube.com/watch?v=GKEM40potWw",
"https://www.youtube.com/watch?v=p5ovVrOPdVo",
"https://www.youtube.com/watch?v=P6icanZBZd... | |
2sspgm | how do scientists determine how much water you need to drink? | The amount of daily water recommended seems ridiculously high. You would think that if your body is capable of doing anything naturally, it would be to tell you if you need water or not (such a fundamental resource). How do scientists determine that we should be drinking beyond what our bodies tell us? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2sspgm/eli5_how_do_scientists_determine_how_much_water/ | {
"a_id": [
"cnshumz",
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"score": [
3,
3
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"text": [
"IIRC, the \"recommended amount\" of water per day has no real health benefits. Maybe a myth, may be a misconception.",
"The \"8 glasses of water per day\" thing is ridiculously high and is also a myth, apparently origina... | [] | [] | [
[],
[
"http://fivethirtyeight.com/features/you-dont-need-8-glasses-of-water-a-day/"
]
] | |
1ke9yu | Why are there so many species of birds compared to other tetrapod vertebrates? | There are way more species of birds than amphibians, reptiles, or mammals. Why, from an evolutionary perspective? | askscience | http://www.reddit.com/r/askscience/comments/1ke9yu/why_are_there_so_many_species_of_birds_compared/ | {
"a_id": [
"cbodwcy"
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"score": [
3
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"text": [
"So this is neat because birds are also the phylogenetically youngest of the tetrapods. The big reason is that birds, by virtue of flying, opened up a mostly unexploited niche (habitat) space that they could fill without competition. They could ... | [] | [] | [
[]
] | |
kb7s9 | Have humans always had to brush their teeth to avoid rotting? | I cannot think of any animals in nature that need to brush their teeth? However, I'm not sure if wild animals' teeth rot or not. Aside from the domestic dog that the owner brushes for them. | askscience | http://www.reddit.com/r/askscience/comments/kb7s9/have_humans_always_had_to_brush_their_teeth_to/ | {
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"score": [
88,
9,
3,
2,
8,
3,
3,... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/Teeth_cleaning_twig",
"http://en.wikipedia.org/wiki/Equisetum#Distribution.2C_ecology_and_uses",
"http://www.rook.org/earl/bwca/nature/ferns/equisetumhye.html",
"http://en.wikipedia.org/wiki/Miswak",
"http://en.wikipedia.org/wiki/Equisetum",
"http:... | |
1j5hdx | How did the Gauls manage to muster so many men during the Gallic War? | So, Roman armies were larger than Medieval armies thanks to the state being better organized and such, right? But how was it that the Gauls managed to amass so many so men, having no state-level organization?
What kept them from all starving to death? Where did their food come from? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1j5hdx/how_did_the_gauls_manage_to_muster_so_many_men/ | {
"a_id": [
"cbbastp"
],
"score": [
5
],
"text": [
"So I'm assuming you mean the Gallic Wars that occured during the Roman Republic involving Caesar's conquest.\n\nThe Romans did have better organization, but did not, many times have larger armies than the medieval world. The average legion was ab... | [] | [] | [
[]
] | |
30odgd | why do we have summer and winter time? wouldn't it be easier to shift the clock half an hour in one direction and leave it that way all year? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/30odgd/eli5_why_do_we_have_summer_and_winter_time/ | {
"a_id": [
"cpuaq1r"
],
"score": [
2
],
"text": [
"It started as a way to help farm families manage work and school time. It stuck because it saves many millions of dollars in energy each year. Reduces stress on the power grid and other benifits. Adjusting humans can be done, the sun just is so s... | [] | [] | [
[]
] | ||
2b6cqd | Could planets survive the heat death of the universe? Or Would they degrade also. | askscience | http://www.reddit.com/r/askscience/comments/2b6cqd/could_planets_survive_the_heat_death_of_the/ | {
"a_id": [
"cj27zsw"
],
"score": [
2
],
"text": [
"If the planets are far enough from their stars when they die, so as not to get caught in a supernova or planetary nebula, the planets would be stable for arbitrarily long times. They'd get really cold though."
]
} | [] | [] | [
[]
] | ||
2o7y6u | why is it conservative media in the us usually stands against minorities in alleged police brutality cases? | I'm black and am studying in the US, but my country of origin is elsewhere. I understand the rationale for conservative support for low taxes, less government regulation etc; but I don't get why they would be on the side of the police in cases of alleged excessive force. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2o7y6u/eli5why_is_it_conservative_media_in_the_us/ | {
"a_id": [
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5,
5
],
"text": [
"I think you'd have to provide some specific evidence here. Most of the stuff I've seen is them pointing out in the Michael Brown case that the rest of the media was really quick to label him a blameless... | [] | [] | [
[],
[],
[]
] | |
n2emz | why we think pirates talk the way they do | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/n2emz/eli5_why_we_think_pirates_talk_the_way_they_do/ | {
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"text": [
"_URL_0_\n\nNumber 6.",
"What we came to know as \"Pirates\" (e.g. treasure maps marked with an \"X\", schooners, the Black Spot, t... | [] | [] | [
[
"http://www.cracked.com/article_19482_6-absurd-pirate-myths-everyone-believes-thanks-to-movies.html"
],
[],
[
"http://tvtropes.org/pmwiki/pmwiki.php/Main/AmericanAccents"
],
[
"http://www.cracked.com/article_19482_6-absurd-pirate-myths-everyone-believes-thanks-to-movies.html"
],
[],
[
... | ||
1rsqkz | what is math and why does it work? | what is math. We have algebra,calculus etc.but what is math in real world? I know it might be a stupid question but is math only something we use to describe our world , or why does it even work ,what does it even study, did we discovered math or did we invented math, why there even is math?...you know, the thought bef... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1rsqkz/eli5what_is_math_and_why_does_it_work/ | {
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"cdqrpw3",
"cdqrt4r",
"cdqs3vj",
"c... | [] | [] | [
[],
[],
[],
[],
[
"http://en.wikipedia.org/wiki/Topology",
"http://en.wikipedia.org/wiki/Zermelo%E2%80%93Fraenkel_set_theory",
"http://www.abstractmath.org/MM/MMFuncSpec.htm",
"http://en.wikipedia.org/wiki/Stokes'_theorem",
"http://en.wikipedia.org/wiki/Abstract_algebra"
],
[
"ht... | |
odc57 | birth control statistics (nsfw) | I am actually asking this is a volunteer counsellor at a teen clinic. I've asked around but nobody seems to understand what the following statistics genuinely mean.
Let's say birth control pills are advertised as being 99.8% effective with perfect use. How exactly is that percentage determined? If I'm a girl who has s... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/odc57/birth_control_statistics_nsfw/ | {
"a_id": [
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"text": [
"I believe contraceptive statistics are quoted as \"pregnancy per year given perfect usage.\" So 99.8% effective means 2 out of every 1000 women using the pill correctly will get pregnant within a year despite perfect use.\n... | [] | [] | [
[],
[]
] | |
1uo5ub | how are secret formulas legal? | For instance, products such as WD-40 do not list ingredients. Coca-Cola simply lists "flavoring" for some of their ingredients. How do we know such "secret ingredients/formulas" are safe and how does the government go about regulating these formulas? Is there a reason that this IS a legal practice? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1uo5ub/eli5_how_are_secret_formulas_legal/ | {
"a_id": [
"cek2ag0",
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"score": [
5,
2,
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],
"text": [
"There are certain ingredients which are banned, and that can not be used in any capacity. Since the creation, importation, transportation, and use of these ingredients are strictly regulated, there is l... | [] | [] | [
[
"http://wd40.com/files/pdf/wd_40tec16952473.pdf"
],
[],
[]
] | |
971lye | how does augmented reality graffiti work?? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/971lye/eli5_how_does_augmented_reality_graffiti_work/ | {
"a_id": [
"e44svng"
],
"score": [
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"text": [
"Augmented reality is a catchall term for the use of computer graphics overlaid on our view of the real world. A live video stream can be edited to include artificial elements, or people might look through a clear screen that displays such things ... | [] | [] | [
[]
] | ||
2nbjaz | where did this "explain it like i'm 5" saying/concept originate? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2nbjaz/eli5_where_did_this_explain_it_like_im_5/ | {
"a_id": [
"cmc4c7n"
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"text": [
"_URL_0_\n\nIt's from the Office."
]
} | [] | [] | [
[
"http://vimeo.com/27060669"
]
] | ||
2h08xg | Does any plant grow fast enough to be able to see the plant grow? | Plants like Chinese bamboo and Kudzu grow super fast. If you sat and watched the plant could you see it move? On an episode of Bones and body was wrapped in Kudzu and while in the lab the plant would move. The show has done a good job keeping facts straight but has fictionalized a lot of facts as well. | askscience | http://www.reddit.com/r/askscience/comments/2h08xg/does_any_plant_grow_fast_enough_to_be_able_to_see/ | {
"a_id": [
"ckoaoit"
],
"score": [
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],
"text": [
"As I understand it, if you were very very patient, yes you could perceive the growth of some of those bamboo. I don't know of any other plant that grows that fast. Some algae might be able to in the right conditions. "
]
} | [] | [] | [
[]
] | |
vr3iy | The Homestead Act of 1862 | I was watching something on the History Channel and they briefly mentioned the Homestead Act. Under the Homestead Act, a person had to apply for the title of the land, live there for 5 years, and show that they have improved the land.
My question is how did owners show that they have improved the land and how would th... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/vr3iy/the_homestead_act_of_1862/ | {
"a_id": [
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"score": [
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"text": [
"It referred to building a home, setting up the land for farming, adding additional irrigation, etc. ",
"\"There was no systematic method used to evaluate claims under the homestead acts. Land offices relied on affidavits... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Homestead_Act#Fraud_and_corporate_use"
]
] | |
2u9cgd | why is the crown victoria so popular within the police forces in north america? | It is a heavy, not so fast and probably not very fuel efficient.
It is my favourite car of all time, but i just can not grasp why they would use it over e.g. a Dodge Charger. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2u9cgd/eli5why_is_the_crown_victoria_so_popular_within/ | {
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"score": [
3,
3,
2,
4,
2,
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"text": [
"was, the Crown Vic is no longer made. Full size sedan, V8 engine, rear wheel drive, made it popular with the polic... | [] | [] | [
[],
[],
[],
[],
[
"http://www.gmfleet.com/specialty-vehicles/police.html",
"https://www.fleet.chrysler.com/lawenforcement/Pages/index.html",
"http://www.ford.com/fordpoliceinterceptor/"
],
[],
[]
] | |
25w5ja | How does usb data transfer work/ what each wire inside a usb cable for? | Hello, i have a few questions. First what does each wire in a usb cable do? I have used one to power and a small electronic device before but i just used the red and black wires(positive and negative). What do the other two do, specificly what is each ones job? Also, when i cut open the cable there was a bare wire. Why... | askscience | http://www.reddit.com/r/askscience/comments/25w5ja/how_does_usb_data_transfer_work_what_each_wire/ | {
"a_id": [
"chlxdrs"
],
"score": [
3
],
"text": [
"The other two connections are [Data+ and Data-](_URL_0_). It's a differential signal.\n\nNobody is going to be able to answer all of that in a blog post. You are going to need to do a lot of research or take some classes in college."
]
} | [] | [] | [
[
"http://en.wikipedia.org/wiki/USB"
]
] | |
ap9y3k | how does adding spin to a bullet using rifling make the gun more accurate? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ap9y3k/eli5_how_does_adding_spin_to_a_bullet_using/ | {
"a_id": [
"eg6s3k7",
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"score": [
12,
7
],
"text": [
"It is conservation of momentum, in this case rotational momentum. One of the major problems with early ammunition was that it tended to tumble unpredictably and this would interact with the drag of the air to move them off ... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Gyroscope"
]
] | |
3j7wsp | why do central banks use interest rates as the primary tool for adjusting the supply of money? | You could distribute new money in a number of ways. You could create money and just put it directly in people's bank accounts, you could fund government programs with the newly created money, or you could just drop cash from a helicopter. Why does pretty much every central bank use interest rates, then? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3j7wsp/eli5_why_do_central_banks_use_interest_rates_as/ | {
"a_id": [
"cun0l4c"
],
"score": [
2
],
"text": [
"Because interest rates also let you adjust the supply of money 'down' too.\n \nCentral banks do have other ways to add money to the economy beyond interest rates. One of the most common is to buy/sell bonds. If the central bank buys bonds then t... | [] | [] | [
[]
] | |
2zxtxo | why isn't chicken meat marbled? | Beef is always red and varying degrees of marbled. Chicken is either white or dark and not marbled. Why? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2zxtxo/eli5_why_isnt_chicken_meat_marbled/ | {
"a_id": [
"cpn9iwz"
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"text": [
"Actually if you have a corn fed chicken that us free range is has a small degree of marbling however because the fat is translucent and thin it nearly always acts like a baste for the bird (which is why many chickens when roasted tend to leech do... | [] | [] | [
[]
] | |
7fc0hi | why can't digital clocks retain the time when unplugged/powered down if phones and computers can? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7fc0hi/eli5_why_cant_digital_clocks_retain_the_time_when/ | {
"a_id": [
"dqatp84",
"dqatqxm"
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"score": [
2,
2
],
"text": [
"Digital clocks tend not to have backup batteries, though some do and can keep time across power outages. If more models with this feature were sold then perhaps manufacturers would make it more common. They don't so appare... | [] | [] | [
[],
[]
] | ||
3oba50 | why are we so scared to introduce life on other planets? | I recently read on a reddit thread that if we were to send rovers to planets that are habitable, we'd have to make sure there are no bacteria and such on it so we don't introduce life on that planet.
Why does it matter? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3oba50/eli5_why_are_we_so_scared_to_introduce_life_on/ | {
"a_id": [
"cvvnnky",
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"score": [
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5
],
"text": [
"We're not SCARED to, we're trying to avoid wrecking science.\n\nBy bringing in foreign contaminants, you're essentially wrecking any sort of science experience concerning native life. You'll never be able to tell if some dis... | [] | [] | [
[],
[]
] | |
7zttct | who decided that the standards were 4:3 16:9 21:9 for aspect ratio? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7zttct/eli5who_decided_that_the_standards_were_43_169/ | {
"a_id": [
"duqpudo"
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"text": [
"It's because 4:3 is closest to our vision and is best to relay information, 21:9 was already the standard of cinema and is best to describe scenery. 16:9 is just the compromise between those two. \nAnd for where those numbers came from, there's ... | [] | [] | [
[]
] | ||
3en6hs | why does air conditioner cooling use electricity? isn't there an efficient way to absorb thermal energy to produce electrical energy? | Can't we convert the heat from our room to power something like a flashlight, and thereby cool the room and produce electricity?
| explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3en6hs/eli5_why_does_air_conditioner_cooling_use/ | {
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"ctgis74",
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"text": [
"If you search for \"air conditioner\" on here you'll get some great explanations for how they work. I'd like, however, to address your second question.\n\n > Isn't there an efficient way to absorb ther... | [] | [] | [
[],
[],
[
"http://phys.org/news/2009-04-space-based-solar-power-california.html"
]
] | |
oxj7l | Could sign language take root and persist in wild chimpanzees without continued human contact? | What is not clear to me is if ASL is just too complex or just misaligned with how they communicate best to be adopted. They (likely) already have a well established means to communicate anything they need to so would it just fade away? _URL_0_
The hypothetical scenario I am thinking of goes something like this: Humans... | askscience | http://www.reddit.com/r/askscience/comments/oxj7l/could_sign_language_take_root_and_persist_in_wild/ | {
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"text": [
"I was interested in this idea, and asked a primatologist who had studied chimp behavior about it. She seemed to think it was relative... | [] | [
"http://en.wikipedia.org/wiki/Chimpanzee#Communication"
] | [
[],
[
"http://books.google.com/books?id=l7dryHvwDiMC&pg=PA347&lpg=PA347&dq=steven+pinker+chimp+sign+language&source=bl&ots=VXmbLmYa2P&sig=uMG_ZNxCyjZ0E6YlM-1c5HMEoHI&hl=en&sa=X&ei=I6ohT7eaMuWfiQLY88XmBw&ved=0CDwQ6AEwBA#v=onepage&q&f=false"
],
[
"http://w... | |
7nruk8 | does darkness have a speed? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7nruk8/eli5_does_darkness_have_a_speed/ | {
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"ds42l21",
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"text": [
"Darkness is the absence of light. Since a lack of something isn't, in and of itself, a thing it has no bounds on how fast it may move.\n\nIn some setups darkness moves at the speed of light. For example, if you consider a ... | [] | [] | [
[],
[]
] | ||
26zyx3 | Does the photoelectric effect decay? | As in, will the affected material produce less voltage over time? | askscience | http://www.reddit.com/r/askscience/comments/26zyx3/does_the_photoelectric_effect_decay/ | {
"a_id": [
"chw7csa"
],
"score": [
2
],
"text": [
"So it has been a while since I actually did this experiment, but nonetheless maybe I can shed some... light on the matter.. (haha). Ok, so in the photoelectric experiment we have a piece of metal attached to a source, and on the other side is ano... | [] | [] | [
[]
] | |
3hondg | I heard someone say recently that Rome destroyed themselves because of moral decay and fiscal irresponsibility. This didn't sound right to me, and I wanted to hear what /r/AskHistorians had to say about it. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3hondg/i_heard_someone_say_recently_that_rome_destroyed/ | {
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14,
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"text": [
"That was Gibbon, or a fan of Gibbon?\n\nWe'll have to start by defining \"the fall of Rome.\" 410 CE, when it was sacked? 476, when the last Roman emperor abdicated? 1453, with the fall of Constantin... | [] | [] | [
[
"http://bmcr.brynmawr.edu/2005/2005-07-69.html",
"http://www.coinsweekly.com/en/Archive/8?&id=222&type=a",
"http://www.historytoday.com/reviews/classic-book-world-late-antiquity"
],
[
"https://www.reddit.com/r/AskHistorians/comments/3dquzd/why_did_the_romans_fall_regardless_of_their/",... | ||
9cgyge | Did Heisenberg purposely handicap the development of the Atomic Bomb for Nazi Germany? | I’ve heard a rumor that he did so I’m hoping for a confirmation. :) | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/9cgyge/did_heisenberg_purposely_handicap_the_development/ | {
"a_id": [
"e5apzs1"
],
"score": [
25
],
"text": [
"There is no real evidence of this, and Heisenberg himself never really claimed this. [See this previous thread for a thorough discussion](_URL_0_). Please feel free to ask any follow-up questions."
]
} | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/1wa3kc/is_there_any_truth_to_the_story_of_heisenberg/"
]
] | |
7dzxcs | if any distance can be halved, at what point do you stop touching something? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7dzxcs/eli5_if_any_distance_can_be_halved_at_what_point/ | {
"a_id": [
"dq1hmho",
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"score": [
3,
4,
3
],
"text": [
"Uh... if you're taking your finger off something, then the distance will increase, halving is a decrease.\n\nAlso, from a physics standpoint you never actually touch anything...\n\nAside from those, you... | [] | [] | [
[],
[],
[]
] | ||
foemj | Theoretical Question about subatomic particles. The thought came to me when pondering solar system formation... | We know matter is made up of atoms which are revolving around one another's subatomic forces. Just like gravity is draws together dust in the vacuum of space. Some particles obey gravity and some do not. So we're thinking there's an even smaller particle which for some reason defines gravity. Wouldn't it be safe to ass... | askscience | http://www.reddit.com/r/askscience/comments/foemj/theoretical_question_about_subatomic_particles/ | {
"a_id": [
"c1hffki",
"c1hg6sq"
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"score": [
6,
2
],
"text": [
"This might be a lost cause, but here goes...\n\n\n > We know matter is made up of atoms which are revolving around one another's subatomic forces. \n\n\nSubatomic particles like electrons \"orbit\" protons and neutrons in s... | [] | [] | [
[],
[]
] | |
14e0bn | Based on probability and how the universe is ever expanding... | askscience | http://www.reddit.com/r/askscience/comments/14e0bn/based_on_probability_and_how_the_universe_is_ever/ | {
"a_id": [
"c7c7mmk"
],
"score": [
2
],
"text": [
"The universe is expanding but not infinite. There isn't more universe it just gets larger, space expands. The quantity of mass and energy is finite."
]
} | [] | [] | [
[]
] | ||
5c7m3m | how do contactless cards work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5c7m3m/eli5_how_do_contactless_cards_work/ | {
"a_id": [
"d9uegl5"
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"score": [
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"text": [
"They use radio waves. The cashier's terminal powers the card and the card emits a signal containing info connecting it to your account and the necessary security details to make sure it's genuine. It's basically a wireless version of chip cards. ... | [] | [] | [
[]
] | ||
1ockdm | why is it considered healthy to put oil on your salad, but not fry your food in it? | You always hear people say that oil and vinegar on a salad is a healthy choice, yet if I fry anything in the same oil it isn't considered healthy? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ockdm/eli5why_is_it_considered_healthy_to_put_oil_on/ | {
"a_id": [
"ccqqwzo",
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"score": [
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5
],
"text": [
"Putting fats on salads is good because it helps absorb the fat soluble vitamins in salad. Frying on the other hand isn't good because first off heating up fats to the point of frying isn't good for the fats and second off co... | [] | [] | [
[],
[
"https://www.youtube.com/watch?v=omjWmLG0EAs&feature=youtube_gdata_player",
"http://onlinelibrary.wiley.com/doi/10.1111/j.1745-4506.2001.tb00028.x/abstract;jsessionid=D04D633146812B9AFE4F9CDB0E0C6B48.f01t02"
]
] | |
5a0kxn | what is going on in south korea right now? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5a0kxn/eli5_what_is_going_on_in_south_korea_right_now/ | {
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86,
313,
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"text": [
"[South Korean explained it well.](_URL_0_) Warning though it's from a chan board so it's highly offensive. It's a great explanation, but still offensive.\n\nEDIT: Made an imgur... | [] | [] | [
[
"http://imgur.com/UvJ8P3l",
"http://imgur.com/a/lsttr"
],
[
"https://www.google.ca/amp/www.telegraph.co.uk/news/2016/10/29/secret-advisers-nepotism-and-even-rumours-of-a-murky-religious-s/amp/"
],
[],
[]
] | ||
q7ydc | Do women with big breasts have bigger risk of breast cancer than women with small ones? | My thought is that since there is more tissue,there might be a bigger chance that one cell could develop _URL_0_ this correct or does the number of cells have nothing to do with the probability of cancer development? | askscience | http://www.reddit.com/r/askscience/comments/q7ydc/do_women_with_big_breasts_have_bigger_risk_of/ | {
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3,
393,
23,
3,
16,
4,
2,
11,
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... | [] | [
"cancer.Is"
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[],
[],
[],
[
"http://blogs.discovermagazine.com/loom/2011/02/28/the-mere-existence-of-whales/"
],
[],
[
"http://annonc.oxfordjournals.org/content/15/6/850.full"
],
[
"http://www.breastcancer.org/risk/new_research/20070122b.jsp"
],
[],
[
"http://www.health.harvard.edu/newslette... | |
28bzvx | Did the crocodile attacks during the 1945 battle of Ramree Island actually happen? | This story seems to pop up in TIL pretty often. The short version is that a large number of Japanese soldiers (between 400 to 1000 depending on the "source") were eaten by saltwater crocodiles during the night of Feb 19th 1945 during the battle of Ramree island as part of the Burma campaign.
The story seems to hinge ... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/28bzvx/did_the_crocodile_attacks_during_the_1945_battle/ | {
"a_id": [
"ci9g6ia"
],
"score": [
4
],
"text": [
"This is what I wrote the last time it was brought up: \n\nThe story never happened. It's complete fiction.\n\nBut Bernardito, wasn't it included in the Guinness Book of World Records? Doesn't Wikipedia confirm as true?\n\nHere we get to the inter... | [] | [] | [
[
"http://books.google.se/books/about/Wildlife_Sketches_Near_and_Far.html?id=Kb9XmQEACAAJ&redir_esc=y"
]
] | |
4u0d4o | If Hexagons are the Most Efficient Way to Store Something in Two Dimensions, What is the Best For Three? | askscience | https://www.reddit.com/r/askscience/comments/4u0d4o/if_hexagons_are_the_most_efficient_way_to_store/ | {
"a_id": [
"d5lw5hv",
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"score": [
2233,
75,
151
],
"text": [
"[This is the current best solution](_URL_0_)",
"If by \"efficient\" you mean packing spheres into a volume (as opposed to the efficient hexagonal tiling of circles on a plane), there are actua... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Weaire%E2%80%93Phelan_structure"
],
[],
[]
] | ||
3biq6m | how can it be cheaper for a company to hire a contractor rather than new employees? | Wouldn't the contractors need to be paid basically the same amount as a theoretical new employee? And then wouldn't the contractor somehow need to turn a profit? It seems like contracted work would ultimately be more expensive than doing it yourself. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3biq6m/eli5_how_can_it_be_cheaper_for_a_company_to_hire/ | {
"a_id": [
"csmgrxj",
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"score": [
2,
6
],
"text": [
"In my case, I had a small project that was supposed to run for a few months. I did not want to hire a full time employee, because I had nothing for them to do after this project. Hired a contractor, got the project done. Wor... | [] | [] | [
[],
[]
] | |
3m41i8 | why has there been a new 3d printer getting fully funded on kickstarter every month for the past 3 years? | Every time I get on Kickstarter, there's always a new 3D printer that's fully funded for several hundred thousand dollars, but doesn't look any different from previous printers. This has been going on for years. What are they doing that is any different from the dozens of other printers already out there? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3m41i8/eli5why_has_there_been_a_new_3d_printer_getting/ | {
"a_id": [
"cvbtsc2",
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"score": [
11,
4
],
"text": [
"There has yet to be a truly consumer friendly 3D printer on the market, they just need to much maintenance and calibration to remain useful. People keep coming along thinking they can solve this problem, but no one has so ... | [] | [] | [
[],
[]
] | |
21jr3h | why aren't pico projectors a huge thing now, and why aren't they the number one feature in all smartphones? | I understand power draw. Clearly they well annihilate a current smartphones battery. I'm saying why isn't this the next smartphone push? If you're phone can be the TV, it can then be the console, the set top box, the sports center.
Why isn't this being focused on more, at least publicly? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/21jr3h/eli5why_arent_pico_projectors_a_huge_thing_now/ | {
"a_id": [
"cgdp9fq"
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"score": [
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"text": [
"because they suck and everyone still has a laptop or a tablet. So...if you ask me, until they work better AND the phone can replace a laptop/tablet then it's just wasted money. If you're sitting there with your laptop/table and your pico projec... | [] | [] | [
[]
] | |
5ox5s7 | why, when slowly opening a plastic soda bottle, does a little air come out when you crack it a little open, but then more comes out when you open more? | If the first crack is enough to let some air out, Spyker it be enough to let it all out? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ox5s7/eli5_why_when_slowly_opening_a_plastic_soda/ | {
"a_id": [
"dcmq31b",
"dcmq43y"
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"score": [
2,
10
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"text": [
"Most sodas are carbonated, this means that they have carbon dioxide gas (CO2) dissolved in them. There are a variety of things that can cause a solution (the soda) to release a dissolved gas (the CO2), heat and agitation be... | [] | [] | [
[],
[]
] | |
g62di | If humans had evolved with easy access to food, how would body functions change? | What I'm thinking of is how we can't grow back amputated limbs, or that cuts can take quite a while to heal. And I'm sure many helpful abilities humans might have had (maybe enhanced eyesight, for example) were chopped off due to expensive "maintenance work".
But what if we had always had easy access to nutritious, ... | askscience | http://www.reddit.com/r/askscience/comments/g62di/if_humans_had_evolved_with_easy_access_to_food/ | {
"a_id": [
"c1l600o",
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"score": [
2,
3
],
"text": [
"If our ancestors had lived in a world where food was plentiful and easy to get (say, in a forest of cheesecake trees), then they simply would have reproduced and reproduced until they were so numerous that food stopped being... | [] | [] | [
[],
[]
] | |
f9dg2y | what is the culture around modifying cars and motorcycles to be louder? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f9dg2y/eli5_what_is_the_culture_around_modifying_cars/ | {
"a_id": [
"fiqs43a",
"fiqt38j"
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2,
2
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"text": [
"Most of the times making a motorcycle louder can save a life. Loud pipes save lives when comes to two wheels.",
"Depends on the individual\n\n1. Some (often younger) think louder = cool. These are often the ones that dri... | [] | [] | [
[],
[]
] | ||
18xk42 | Is it possible to transmit data over something other than the electromagnetic spectrum? | With the government and the telecom companies saying how the spectrum is too crowded, I was wondering if theoretically there was another way to transmit data wirelessly.
| askscience | http://www.reddit.com/r/askscience/comments/18xk42/is_it_possible_to_transmit_data_over_something/ | {
"a_id": [
"c8iwffl",
"c8iwomj"
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"score": [
4,
3
],
"text": [
"Here's two alternatives (with terrible latency):\n\n[FedEx](_URL_0_)\n\n[IP over avian carrier](_URL_1_)",
"Gravitational Waves!! \n\n_URL_0_\n\nWhile legit (it comes from DARPA), Any body who know anything about gravita... | [] | [] | [
[
"http://what-if.xkcd.com/31/",
"http://en.wikipedia.org/wiki/IP_over_Avian_Carriers"
],
[
"http://www.zyn.com/sbir/sbres/sttr/dod/darpa/darpa13a-003.htm"
]
] | |
2am3py | how do i upload a website? | Assuming I've created a website in Dreamweaver, and I've also purchased a domain name, whats the best way to upload a website? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2am3py/eli5how_do_i_upload_a_website/ | {
"a_id": [
"ciwit7k"
],
"score": [
3
],
"text": [
"You haven't mentioned your hosting solution, so I'm assuming you don't have one.\n\nA domain name is just a pretty name that you use so that people don't have to remember an IP address. That's it. It does nothing else for you. (Well not for a sim... | [] | [] | [
[]
] | |
3f7fbe | why does netflix produce original content? isn't it a risky endeavor? what are they gaining by trying to be a streaming service and a production studio? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3f7fbe/eli5_why_does_netflix_produce_original_content/ | {
"a_id": [
"ctlzfjp",
"ctlzg7m"
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"score": [
3,
7
],
"text": [
"If they produce original content they can guarantee *exclusive* access to potentially highly sought after tv shows.\n\n\nTake HBO. People subscribe to channels like HBO because of the high quality content they produce. Netfl... | [] | [] | [
[],
[]
] | ||
1nsfyn | How many photons are hitting my eye? | askscience | http://www.reddit.com/r/askscience/comments/1nsfyn/how_many_photons_are_hitting_my_eye/ | {
"a_id": [
"cclpt1u",
"cclr09t"
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"score": [
8,
4
],
"text": [
"The first question is pretty hard to answer. 'Brightness' is not the only thing that matters. In fact, what humans usually describe as 'brightness' is just contrast (ie, we perceive something as bright because things around ... | [] | [] | [
[
"http://math.ucr.edu/home/baez/physics/Quantum/see_a_photon.html"
],
[]
] | ||
1nqai2 | How was news broken to the public that WWI was over? | Did the public know before the armistice was signed or was it published in newspapers exactly on 11/11? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1nqai2/how_was_news_broken_to_the_public_that_wwi_was/ | {
"a_id": [
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"text": [
"Nobody really knew that the war was going to end on 11/11 except for the participants of the meeting. In fact, even the soldiers did not really know that the war had ended until the middle of the day or even later, depending on when the telegram ... | [] | [] | [
[
"http://imperialantiques.biz/yahoo_site_admin/assets/images/DSCF0819.18583458.JPG",
"http://news.bbc.co.uk/1/hi/magazine/7696021.stm"
]
] | |
3r2byw | why does trying to read a scratched cd/dvd pretty much freeze up your computer? | Seems to have happened on pretty much every computer I've owned, what causes this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3r2byw/eli5_why_does_trying_to_read_a_scratched_cddvd/ | {
"a_id": [
"cwkbdwv"
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"score": [
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"text": [
"Some things on a computer are never expected to take much time, so it sends the command to do it then just sits and waits for the result.\n\nWith a scratched CD/DVD the drive itself decides to try again over and over before giving up. The comput... | [] | [] | [
[]
] | |
503h1e | why do professional field sports use cleats? | Now, I know that cleats obviously provide more traction, and definitely provide an advantage over someone that isn't using cleats. But if everyone is using cleats, no advantage is gained.
Cleats also seem to drastically increase the risk of leg injuries in sports. It seems like the vast majority of leg injuries happ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/503h1e/eli5_why_do_professional_field_sports_use_cleats/ | {
"a_id": [
"d70vw0m",
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"score": [
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3,
3
],
"text": [
"They do not actually increase injuries much because it is against the rules to kick or step on your opponent, thus meaning it rarely happens. But they do prevent a lot of injuries by reducing your chanc... | [] | [] | [
[],
[],
[]
] | |
2wverz | Are there any instances of Viking cowardice or surrender? | I've been reading up on the Vikings and noticed that they held a young death in battle to be the highest honour, but they also have been defeated in battle. I'm wondering whether they have ever surrendered, fled or deserted. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2wverz/are_there_any_instances_of_viking_cowardice_or/ | {
"a_id": [
"coukjbk",
"coukpwf",
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"score": [
17,
4,
4
],
"text": [
"At Ridgeway near [Weymouth](_URL_0_) on the English Channel, archaeologists recently uncovered the bodies of about 50 vikings. That is, they found a pile of [47 skulls](_URL_2_) next to [52 skeletons](... | [] | [] | [
[
"https://www.google.com/maps/place/Weymouth,+Dorset,+UK/@50.6268352,-2.4578246,12z/data=!3m1!4b1!4m2!3m1!1s0x487257fd62333533:0xebeb17fada5f4737",
"http://www.medievalists.net/wp-content/uploads/2012/11/4459323745_4e76081aed_b.jpeg",
"http://thehumanjourney.net/images/stories/images/weymouth/2ndpost/s... | |
7np47c | What caused the sudden change to shaved pussy in porn starting in the 1990s? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7np47c/what_caused_the_sudden_change_to_shaved_pussy_in/ | {
"a_id": [
"ds3g0az"
],
"score": [
2
],
"text": [
"Hi,\n\nCould you please resubmit this without the coarse language in the title? (Why did porn stars start shaving, or some such)\n\nThanks!"
]
} | [] | [] | [
[]
] | ||
3lzu5p | why does water seem to stick to glass? | More specifically the water I put in glass test tubes. When I pour it down the drain in notice there's still a noticeable amount left that's kinda difficult to get rid of. We use these other vials for testing and I've noticed the same thing with them too (they're made of borosilicate, not sure about the test tubes).
I... | askscience | https://www.reddit.com/r/askscience/comments/3lzu5p/why_does_water_seem_to_stick_to_glass/ | {
"a_id": [
"cvaqjku",
"cvawcbr",
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"score": [
46,
12,
4
],
"text": [
"[Adhesion.](_URL_0_) Water \"seems\" to stick to glass because it does.\n\n > I don't seem to notice this when washing dishes at home though.\n\nIt certainly still does, but (a) possible you're lookin... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Adhesion"
],
[],
[]
] | |
6r92m9 | if the speed of sound is about 340m/s how can normal things make sound? | Are our vocal cords moving at that speed? and even pressing keys on my laptop as slow as I can still make sounds | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6r92m9/eli5if_the_speed_of_sound_is_about_340ms_how_can/ | {
"a_id": [
"dl3d27d",
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"score": [
2,
2
],
"text": [
"No you are confusing the speed of propagation of the sound wave with the speed of the thing moving back and forth to generate the sound.\n\nWhile the thing moving back and forth doesn't have to move nearly as fast as the spe... | [] | [] | [
[],
[]
] | |
2f5p5b | why do we not have international space program? | I can understand that many countries like keeping their civilian and military space programs separate but why do countries start and fund their own space programs? Wouldn't it be more beneficial to have one large space program that many countries fund rather than a number of small individually funded space programs? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2f5p5b/eli5_why_do_we_not_have_international_space/ | {
"a_id": [
"ck65j0h",
"ck66c9l"
],
"score": [
3,
2
],
"text": [
"Yes, it it is typically more beneficial. That's why 20 nations have cooperated in the [European Space Agency](_URL_0_) for over 30 years now. ",
"**International Space** Station\n\nIt's even in the name."
]
} | [] | [] | [
[
"http://en.wikipedia.org/wiki/European_Space_Agency"
],
[]
] | |
1z7sc1 | Why did the Great War produce so many soldier-poets? Was it simply the number of public school educated young men faced with enforced trench-based stasis? Or are there other factors? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1z7sc1/why_did_the_great_war_produce_so_many/ | {
"a_id": [
"cfriz7e"
],
"score": [
141
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"text": [
"**Poetry and the War**\n\nIt should be noted, first, that the war produced an absurd number of poets at every level -- not just in the trenches. Catherine Reilly's groundbreaking *English Poetry of the First World War: A Bibliography* (1978), ... | [] | [] | [
[
"http://www.educationengland.org.uk/documents/acts/1870-elementary-education-act.html",
"https://www.oucs.ox.ac.uk/ww1lit/education/tutorials/intro/owen/preface.html",
"http://ww1centenary.oucs.ox.ac.uk/unconventionalsoldiers/propaganda-the-authors-declaration/",
"https://archive.org/details/musei... | ||
jj0w3 | How does science define and/or account for the perception of 'luck'? | Is luck nothing more than a construct? Is it measurable? We seem to talk about luck a lot in our lives but what does science have to say on the matter? | askscience | http://www.reddit.com/r/askscience/comments/jj0w3/how_does_science_define_andor_account_for_the/ | {
"a_id": [
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"score": [
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9,
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12,
9,
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"text": [
"Human beings excel in identifying patterns to the extent that we often see patterns that a... | [] | [] | [
[],
[],
[
"http://www.richardwiseman.com/resources/The_Luck_Factor.pdf"
],
[],
[],
[],
[
"http://www.richardwiseman.com/resources/The_Luck_Factor.pdf"
],
[]
] | |
1o12v5 | What are some weird fads of the 1900's that most people don't know about? | For example: [Pole-sitting](_URL_0_) was a fad in the 1920's | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1o12v5/what_are_some_weird_fads_of_the_1900s_that_most/ | {
"a_id": [
"ccnz1g9",
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"score": [
12,
3
],
"text": [
"For a short period after the turn of the 20th Century, it became quite fashionable for wealthy New York City socialites to carry around \"companion monkeys,\" which they would dress in outfits and keep in their [muff hand w... | [] | [
"http://en.wikipedia.org/wiki/Pole-sitting"
] | [
[
"http://4.bp.blogspot.com/-5E-8UfoED3w/UMdQHxtjIEI/AAAAAAAAMUk/yiH9clLFRoE/s400/monkey.jpg",
"http://chroniclingamerica.loc.gov/lccn/sn83030272/1907-03-31/ed-1/seq-48/"
],
[
"http://abigailpadgett.wordpress.com/2012/07/14/traveling-for-stories-3/",
"http://www.churchofgoodluck.com/Florence_Pre... | |
1zzx27 | how does the large hadron collider remain stable? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1zzx27/eli5_how_does_the_large_hadron_collider_remain/ | {
"a_id": [
"cfyhyoj",
"cfyjw20"
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"score": [
2,
3
],
"text": [
"You need to elaborate more on your question. What fo you mean by remaining stable?",
"I *think* the collision experiments themselves release only tiny amounts of energy. No chain reactions like fusion or fission are pos... | [] | [] | [
[],
[]
] | ||
24rq2l | What is the origin of the modern conception of a 'franchise' business model? | I'm interested to know the origins of the modern concept of a franchise, how it became a business model, and if there is a historical context to understand franchising that dates back to before the modern conception of franchising (McDonalds, hotels, etc).
My first AskHistorian question, big thanks to the experts ... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/24rq2l/what_is_the_origin_of_the_modern_conception_of_a/ | {
"a_id": [
"cha00sa",
"cha76ul",
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"score": [
5,
2,
2
],
"text": [
"_URL_0_\n\nIt was none other than Colonel Harland Sanders who started the idea. In 1955 he was able to convince a friend of his in Utah to start selling fried chicken and fixings using his recipe and co... | [] | [] | [
[
"http://www.kfc.com/images/pdf/ColonelSanders-Stories.pdf"
],
[
"http://www.amazon.com/Sears-Roebuck-U-S-A-American-Catalog/dp/0812823141/ref=sr_1_4?ie=UTF8&qid=1399310956&sr=8-4&keywords=history+of+sears+roebuck",
"http://www.amazon.com/American-Department-Store-Transformed-1920-1960/... | |
7zq7bf | What are some good databases for US newspapers? | Especially databases that include the big papers such as the new york times etc. Reason: I'm researching how papers wrote about the Pentagon papers and the reaction of US citizens.
Thanks in advance! | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7zq7bf/what_are_some_good_databases_for_us_newspapers/ | {
"a_id": [
"duqavh4",
"duqcl73"
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"score": [
2,
2
],
"text": [
"I use _URL_0_ - the search feature is solid and it includes the Times.",
"Proquest historical newspapers has a few interesting ones including the Times. My city library has access to a few of the titles, university libra... | [] | [] | [
[
"newspapers.com"
],
[]
] | |
dvp0zk | Can someone explain to me if there will be new habitable areas as global warming and climate change progress? | I’m basically wondering if those areas, such as most of Russia will become habitable. These areas are so cold now, but with the warmth they may become much warmer and possibly habitable, in my mind. Thus leading for new possible areas for crops to grow. Can someone explain why this IS or IS NOT the case.
*I USE RUSS... | askscience | https://www.reddit.com/r/askscience/comments/dvp0zk/can_someone_explain_to_me_if_there_will_be_new/ | {
"a_id": [
"f7f0dnj",
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"score": [
12,
10
],
"text": [
"It may make those areas more habitable in terms of temperature, but most of the land up there is permafrost, so you’d get massive amounts of erosion as the ice in the ground turns to water.\n\nPlus, if all the permafrost u... | [] | [] | [
[],
[]
] | |
5ipvta | many in the u.s. are concerned for the future. can a modern, world super power actually fall similar to rome? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ipvta/eli5_many_in_the_us_are_concerned_for_the_future/ | {
"a_id": [
"dba29fd"
],
"score": [
5
],
"text": [
"I question your premise. \n\nAnyway, the fall of rome was varied and slow. Yes there were actual conquests but a lot of it was gradual. \n\nWe probably don't have to worry about northern european hordes threatening us at the gate. \n\nWe probably... | [] | [] | [
[]
] | ||
1pluyc | why are they cutting food stamps in the us? | I obviously know it's a budget issue, but why are they cutting back on something like food stamps? Is this related to the Affordable Care Act? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1pluyc/why_are_they_cutting_food_stamps_in_the_us/ | {
"a_id": [
"cd3mlan"
],
"score": [
3
],
"text": [
"Edit 2: Since some people need further explanation, I do not claim that the views below are my own, nor do I claim that they are the correct way of thinking. What follows is just my understanding of the arguments presented by those who wish to c... | [] | [] | [
[]
] | |
t539h | Is it possible that some human emotions and actions are influenced by viral, bacterial, or fungal infections? | I was reading the NPR Article ['Zombie' Ants And The Fungus That Saves Them](_URL_0_) and I started to wonder if humans could be under a similar influence when they make irrational decisions or experience irrational emotions.
I know this seems like a Dark Ages notion, but could a contagion be the true demon inside cau... | askscience | http://www.reddit.com/r/askscience/comments/t539h/is_it_possible_that_some_human_emotions_and/ | {
"a_id": [
"c4jloez",
"c4jn07r",
"c4jrj47",
"c4jsubg",
"c4k0zcc"
],
"score": [
20,
17,
5,
2,
2
],
"text": [
"Sure, google [toxoplasmosis.](_URL_0_)",
"[People become more social when infected with the flu, making them more likely to infect others](_URL_1_). On... | [] | [
"http://www.npr.org/templates/archives/archive.php?thingId=103943429&date=5-2-2012&archiveAnchorId=151832911#archivestory151811170"
] | [
[
"http://www.nytimes.com/2007/12/09/magazine/09_10_catcoat.html"
],
[
"http://www.theatlantic.com/magazine/archive/2012/03/how-your-cat-is-making-you-crazy/8873/?single_page=true",
"http://indiana.academia.edu/EricShattuck/Papers/531125/Change_in_Human_Social_Behavior_in_Response_to_a_Common_Vaccin... | |
2ux8xh | we see stories of people who lose half their brain and somehow survive. if you divide a human brain 50/50 are both halves equally viable to survive as a person given the right circumstances? | example person with half a brain:
_URL_0_
apparently there is also a surgical procedure:
_URL_1_
*added links
*i am selecting kitten1999 post as the answer | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ux8xh/eli5_we_see_stories_of_people_who_lose_half_their/ | {
"a_id": [
"cocibxf",
"cocik86"
],
"score": [
2,
2
],
"text": [
"Uuhh... no. The brain is collosally complex organ that we understand less about then we do about any other part of ... almost anything. It can do a shitton of funky stuff and compensate for TONS of problems. but you might ju... | [] | [
"http://www.cnn.com/2009/HEALTH/10/12/woman.brain/index.html?eref=rss_us",
"http://en.wikipedia.org/wiki/Hemispherectomy"
] | [
[],
[
"http://en.m.wikipedia.org/wiki/Split-brain"
]
] | |
31kp4d | how does the movie 'birdman' look like one continuous take? how did they do it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/31kp4d/eli5_how_does_the_movie_birdman_look_like_one/ | {
"a_id": [
"cq2ms49",
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"cq3357r",
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"score": [
27,
125,
6,
5,
2,
3,
2
],
"text": [
"Whenever there's a scene where there is no characters in the shot and the camera is still.",
"It's easier t... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | ||
1ddc1w | What led up to the Tulsa Race Riots and how did it affect Tulsa in the next couple of decades after? | Just kinda interested in the Tulsa Race Riots in Oklahoma. I've gone over the basics on Wikipedia, but I was wondering if anyone could give some more in depth details about it, and how it changed Tulsa. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1ddc1w/what_led_up_to_the_tulsa_race_riots_and_how_did/ | {
"a_id": [
"c9qbi7g",
"c9pchf7"
],
"score": [
2,
2
],
"text": [
"Howdy fellow Tulsan. Spent a day at Reconciliation Park the other day. I'm sorry that has taken me so long to chime in on, and I will say more later, but I just stumbled across this and I did not want to forget to tell you a... | [] | [] | [
[
"https://thislandpress.com/store/subs-and-issues/may-1st-2013/"
],
[]
] | |
wf0jn | Regarding acne | Why is it that some people get absolutely horrifying acne and other barely suffer from a pimple or two? | askscience | http://www.reddit.com/r/askscience/comments/wf0jn/regarding_acne/ | {
"a_id": [
"c5criq3"
],
"score": [
3
],
"text": [
"A big part of acne is related to skin cell turnover- as skin cells die, they break free from their neighbors and fall off. If the bonds that hold them to their neighbors are too strong, they can't break free, they clump up and block pores, trapp... | [] | [] | [
[]
] | |
xhrpy | How does a water molecule interact with the glass it touches? | I have next to me a glass cup of still water. I am wondering how the molecules of the glass cup interact with the water molecules which are in direct contact with the glass.
Thank you. | askscience | http://www.reddit.com/r/askscience/comments/xhrpy/how_does_a_water_molecule_interact_with_the_glass/ | {
"a_id": [
"c5mhfdf"
],
"score": [
3
],
"text": [
"There are a number of different types of glass and the interaction is abit different for each of them.\n\nHowever, for general silica glass, basically the surface is not perfectly smooth. It large imperfections on the scale of perhaps 1 nm for a ... | [] | [] | [
[]
] | |
1jxjlq | How prevalent were monopolies and cartels in shaping the American economy, ~1940-1990? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1jxjlq/how_prevalent_were_monopolies_and_cartels_in/ | {
"a_id": [
"cbjj0wt"
],
"score": [
2
],
"text": [
"This is very difficult question to answer in that the definition of 'cartel' or 'monopoly' is at best flexible. For example, was the telephone company a monopoly? Did the various local telcos of the (rough) time make up a cartel in that they exer... | [] | [] | [
[]
] | ||
3m092i | How did 'US' forces expect to succeed in the Bay of Pigs invasion | 25,000 Cuban army,200,000 Cuban Militia, 9,000 armed police against 1500 CIA sponsored counter revolutionaries and 8 B-26 bombers.
I understand that it was a failure, but how and why would the US approve such an attack (damaging their foreign relations) against these odds?
To clarify: This is not a question about US... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3m092i/how_did_us_forces_expect_to_succeed_in_the_bay_of/ | {
"a_id": [
"cvb1yfk"
],
"score": [
51
],
"text": [
"Much in the way that Castro had succeeded against similar odds years earlier. The Bay of Pigs was not the original target of the attack, but rather, Trinidad, Cuba, which is on the southern shore roughly in the middle of Cuba. The crucial geog... | [] | [] | [
[]
] | |
2bizcu | the main differences between baptist and pentecostal beliefs | Something that lets the outsider distinguish between the two groups. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2bizcu/eli5_the_main_differences_between_baptist_and/ | {
"a_id": [
"cj5u2fl"
],
"score": [
2
],
"text": [
"There are several. Here's three of the big ones, by doctrine: \n\n1. Baptists believe you're saved, then get baptised. Pentacostals believe baptism is a prerequisite for salvation.\n\n2. Pentacostals believe glossolalia (speaking in tongues) is e... | [] | [] | [
[]
] | |
27i45u | During WWII, did the army have units that collected damaged and lost equipment for refurbishment and reuse? | I know about the vehicle and armor mechanic units that would tow/drag damaged vehicles back for repair but did they do the same for undamaged helmets, rifles, and other equipment? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/27i45u/during_wwii_did_the_army_have_units_that/ | {
"a_id": [
"ci1dozw"
],
"score": [
2
],
"text": [
"I've also wondered this, also if there was any stigma attached to using captured weapons. "
]
} | [] | [] | [
[]
] | |
s62ac | How likely is a message in a bottle actually being read by someone? | I was (I'm not proud to say) watching the video for Lovefool, and in it, a castaway on an island puts a message in a bottle and sends it out to sea.
My question is two-fold, how far out would you have to get the bottle before currents wouldn't just bring it back into shore, and also what are the odds of it actually ge... | askscience | http://www.reddit.com/r/askscience/comments/s62ac/how_likely_is_a_message_in_a_bottle_actually/ | {
"a_id": [
"c4bdiux"
],
"score": [
8
],
"text": [
"In most cases in some traditional small island in a large ocean, currents would wash the bottles away very easily; unless you fling the bottle directly into the incoming tide, it'll just be swept past the island and disappear. Chances are winds o... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Friendly_Floatees"
]
] | |
g5l2c | In vehicles, would it be more efficient to have more or less gears? | Like how car's usually have gears from 1-5. Would it be beneficial to have a higher number (i'm guessing this) or lower number of gears?
Let's say if we could somehow create a transmission with an infinite amount of gears and a computer would do the shifting for you, would it be highly efficient? | askscience | http://www.reddit.com/r/askscience/comments/g5l2c/in_vehicles_would_it_be_more_efficient_to_have/ | {
"a_id": [
"c1l2gok",
"c1l2ly8",
"c1l2qny",
"c1l2qrq"
],
"score": [
7,
4,
9,
2
],
"text": [
"The point of gears is to allow the engine to work within a specific range where the engine has optimum efficiency in terms of fuel used vs power generated. Most engines will have a... | [] | [] | [
[
"http://www.gizmag.com/steve-durnin-ddrive-d-drive-infinitely-variable-transmission-geared/15088/"
],
[],
[],
[]
] | |
4hw41b | why weed and hops smell almost the same | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4hw41b/eli5why_weed_and_hops_smell_almost_the_same/ | {
"a_id": [
"d2sthe7",
"d2stkn3"
],
"score": [
4,
2
],
"text": [
"They are extremely closely related, both belonging to the family \"cannabacae\". They share a vast amount of their genetics with cannabis so the smell is similar.",
"They're related plants. It stands to reason they woul... | [] | [] | [
[],
[]
] | ||
20ysyt | why doesn't my parents' dog recognize my face or voice when i call them on skype? | I've been studying overseas for the last year, and when I have made video calls to my parents, they sometimes bring the dog to the computer. Despite me calling her name, she doesn't react in the slightest. My brother's dog doesn't respond to my image or voice either. My parents have pretty good speakers so the sound qu... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/20ysyt/eli5_why_doesnt_my_parents_dog_recognize_my_face/ | {
"a_id": [
"cg80ldt",
"cg80nbn",
"cg83fzh"
],
"score": [
4,
3,
7
],
"text": [
"He probably does. He just knows you can't scratch his ears via Skype and there's no treats either.",
"Not sure about the lack of voice recognition, but dogs and cats see screens differently than we ... | [] | [] | [
[],
[],
[]
] | |
fxo28u | How can Animals contract COVID19 but not spread it to us? | I read in an article that cats can contract Covid19 from us but they can't spread it to us. Is this true? If yes, I am curious as to how that works, wouldn't the virus be the same? | askscience | https://www.reddit.com/r/askscience/comments/fxo28u/how_can_animals_contract_covid19_but_not_spread/ | {
"a_id": [
"fmvu0kb"
],
"score": [
6
],
"text": [
"We don’t know if they can spread it to us yet, but it certainly doesn’t seem to be a major factor.\n\nIt’s not unusual for viruses to be able to infect off-target hosts but not transmit, or transmit very weakly, because the virus doesn’t shed in... | [] | [] | [
[
"https://science.sciencemag.org/content/early/2020/04/07/science.abb7015"
]
] |
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