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 |
|---|---|---|---|---|---|---|---|---|---|
942aft | how do sodium and potassium help aid in hydration? | I feel like I have a vague understanding of the sodium potassium pump but can't fully conceptualize how this relates to (or if it does at all) hydration, or water getting into the cells. If the cells pump sodium out and bring potassium in, wouldn't the water stay outside of the cell? To go further, how does the sodium ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/942aft/eli5_how_do_sodium_and_potassium_help_aid_in/ | {
"a_id": [
"e3htxdi"
],
"score": [
3
],
"text": [
"You're on the right track with the sodium-potassium pump in relation to how muscle utilize the electrolytes.\n\nFor actual \"hydration\", sodium and potassium don't directly help with hydration. As muscles do their thing, and your body sweats, i... | [] | [] | [
[]
] | |
24djk3 | How violent were the Middle Ages in England? Was crime and violent crime more common than in subsequent periods? | We are often fed a view of the middle ages as being violent and a time of crime and murder. Was this the case? Were the Middle Ages actually violent or were they a time or relative peace?
EDIT: I realise someone already asked a similar question about the Middle Ages but this was related to Game of Thrones... I'm askin... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/24djk3/how_violent_were_the_middle_ages_in_england_was/ | {
"a_id": [
"ch6f3yq"
],
"score": [
9
],
"text": [
"I'm a history student and this was one of the questions we got asked this year in our 'History of Violence' module. \nThis probably isn't the answer you wanted to receive but to be honest it's difficult to say, because it depends how you look at ... | [] | [] | [
[
"http://en.wikipedia.org/wiki/The_Better_Angels_of_Our_Nature"
]
] | |
1k9puu | Historians of China: Are there any books you recommend on the history of taoism? | I'm curious to this, because it seems an interesing topic. Taoism itself is not talked about enough. I was told by a taoist friend that the original taoists believed in the tao and meditated, but later it became mixed with the local folk religion. I was wondering if this is true, but I also want to read about the histo... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1k9puu/historians_of_china_are_there_any_books_you/ | {
"a_id": [
"cbmt0kb",
"cbmt135",
"cbmupxk"
],
"score": [
6,
3,
2
],
"text": [
"Well, you are in luck, because the quality and number of English language books on daoism in China has increased significantly in recent years. My own journey with daoism (which began about twenty year... | [] | [] | [
[
"http://www.amazon.com/Introducing-Daoism-World-Religions-Livia/dp/0415439981",
"http://www.amazon.com/Daoism-Handbook-set-L-Kohn/dp/0391042378"
],
[
"https://docs.google.com/viewer?a=v&q=cache:h3hMO2K2l_0J:ccat.sas.upenn.edu/~nsivin/perp.pdf+&hl=en&gl=au&pid=bl&srcid=ADGEESg-t... | |
16kgcm | do abusive parents produce abusive children, or submissive ones? | It would make sense that an abused child would live life fearfully, but it also makes sense that abuse happens in unbroken cycles. Is one of these right? Or possibly both? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/16kgcm/eli5_do_abusive_parents_produce_abusive_children/ | {
"a_id": [
"c7wu1co",
"c7wug4q",
"c7wwrhe",
"c7wxsmb"
],
"score": [
3,
11,
3,
2
],
"text": [
"They can produce fucked up kids who can be submissive and/or abusive at different places in their lives.",
"In cases of abused children, generally you end up with both situati... | [] | [] | [
[],
[],
[],
[]
] | |
j2flh | can someone please explain exactly what a 'realist' person is? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/j2flh/can_someone_please_explain_exactly_what_a_realist/ | {
"a_id": [
"c28krzx",
"c28kxjh"
],
"score": [
2,
3
],
"text": [
"Sorry, but could you clarify? In what situation did you hear this being used? International politics, US politics, everyday life?",
"A realist is best seen as an opposite to an 'idealist' (someone who is focused on idea... | [] | [] | [
[],
[]
] | ||
1oqd5d | Historians: What recently available source/material are you most excited about? | It seems historians are all about sources and materials, so what's the hot new thing in your field?
Be it declassified documents, opened archives, unearthed artifacts or discovered manuscripts, what's making your historian's heart beat faster? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1oqd5d/historians_what_recently_available_sourcematerial/ | {
"a_id": [
"ccuju67",
"cculqy4",
"cculr5p",
"ccv2tpf"
],
"score": [
7,
9,
3,
2
],
"text": [
"[Richard III's body](_URL_1_) found under a parking lot.\n\n[Roman coins](_URL_0_) found in Hertfordshire.\n\nMore broadly, I anticipate a huge amount of stuff to be coming out in ... | [] | [] | [
[
"http://www.bbc.co.uk/news/uk-england-beds-bucks-herts-22794839",
"http://www.bbc.co.uk/news/uk-england-leicestershire-21063882"
],
[
"http://founders.archives.gov"
],
[
"http://www.newyorker.com/reporting/2012/04/30/120430fa_fact_halpern"
],
[]
] | |
bvnzyy | why do some large, multimillion dollar companies have so much trouble making a website that works well on mobile ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bvnzyy/eli5_why_do_some_large_multimillion_dollar/ | {
"a_id": [
"epqzhte",
"epqzpqw",
"epr153b",
"epr1fnv",
"eprjh81",
"eprlh0r",
"eprmlp3"
],
"score": [
4,
41,
4,
4,
3,
2,
2
],
"text": [
"Those are usually riddled with ads, adware, tracking stuff for future ads and adware etc. Most news sites are now... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | ||
967xa7 | how do domesticated pets know they're pregnant, especially that they're not surrounded by a community of themselves who might be familiar with pregnancy? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/967xa7/eli5_how_do_domesticated_pets_know_theyre/ | {
"a_id": [
"e3yg3my",
"e3ylcbr"
],
"score": [
4,
5
],
"text": [
"Domesticated animals are much less capable of knowledge than humans, so I'm not sure exactly what you mean by \"know.\" Certainly pregnancy results in a number of physiological changes that can act as triggers for instinctiv... | [] | [] | [
[],
[]
] | ||
3nkbn8 | Could natives of British colonies migrate between each other and to England? | I'm sure that this post is filled with misconceptions, but nevertheless I'll ask it. Assuming that he had the resources, could a Kenyan or Indian hop on a ship and settle down in England without any trouble? I understand that immigration and emigration as a concept was probably wildly different 200-100 years ago, but w... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3nkbn8/could_natives_of_british_colonies_migrate_between/ | {
"a_id": [
"cvoxd6m"
],
"score": [
14
],
"text": [
"The first serious emigration from what you describe as the colonies to the UK took place post American War of Independence with American loyalists arriving in the UK. Subsequent to that immigration to the UK from the colonies was mostly that of ... | [] | [] | [
[
"http://www.southampton.ac.uk/archaeology/research/projects/lascar_lives_and_the_east_india_company.page"
]
] | |
140buq | Who where the first people to establish the theory of evolution? | I would assume that many of these people are European, also who are the first poeples to accept these theories?
Edit: I'm not trying to say that I know nothing of the history of evolution, I know this basic information. I was wondering more about who are the first people to have a simple understanding of the theory of... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/140buq/who_where_the_first_people_to_establish_the/ | {
"a_id": [
"c78q51e",
"c78qigg",
"c78xui4",
"c78y1d6"
],
"score": [
5,
3,
5,
6
],
"text": [
"I don't usually like to do this, but...\n\n[Charles Darwin](_URL_0_) and [Alfred Wallace](_URL_2_) are widely accepted as the two men who independently established [the theory of e... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Charles_Darwin",
"http://en.wikipedia.org/wiki/History_of_evolutionary_thought#1859.E2.80.931930s:_Darwin_and_his_legacy",
"http://en.wikipedia.org/wiki/Alfred_Russel_Wallace"
],
[
"http://en.wikipedia.org/wiki/Evolution#History_of_evolutionary_thought"
],
[],... | |
25d9jv | Is it possible to connect nerve cells to electrical wires? | This is a question I've been looking for an answer for since I was very young.
Now I know the state of prosthetics has vastly improved on the years and we already have prosthetics that can sense muscle contractions and can interpret movement of natural limbs to anticipate what movement should come next, but I've alway... | askscience | http://www.reddit.com/r/askscience/comments/25d9jv/is_it_possible_to_connect_nerve_cells_to/ | {
"a_id": [
"chg2d2s",
"chg2pgs"
],
"score": [
7,
5
],
"text": [
"I can comment on the electrical side of this question, but not the biological side. \n \nFrom an electrical standpoint - sure, it's possible. It wouldn't be an ordinary circuit, of course. I suspect that the best bet wou... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Voltage_clamp",
"https://www.inkling.com/read/medical-physiology-boron-boulpaep-2nd/chapter-6/electrical-model-of-a-cell",
"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2142005/pdf/671.pdf"
]
] | |
28kszg | How was (Roman) Catholicism treated under British rule between roughly 1700 up to WW2? | I myself am 1/4th English, ancestrally, and my English family members today are Catholics, as there was about 100 years ago some Irish on that side, as well as obligatory Anglicanism. My Grandma's mum is 100% ethnic English (Anglican religion), and her dad was half Irish half Swedish, hence the Catholicism (my Swedish ... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/28kszg/how_was_roman_catholicism_treated_under_british/ | {
"a_id": [
"cic0c5k"
],
"score": [
7
],
"text": [
"Catholics in Ireland certainly were oppressed. Big time. There is a famous phrase that stems from the famine days called \"taking the soup\" This was basically you had two choices: starve or convert to Church of England. This is called souperism.... | [] | [] | [
[]
] | |
w8nau | What holds empires together ? | Why dont the conquered provinces rebel ? Why do people from conquered provinces agree to become soldiers for the conquerors, and help them dominate other people ? I guess the size of the army hold the empire together, but such an army cannot simply be made from the conquering race; the conquered must also provide peopl... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/w8nau/what_holds_empires_together/ | {
"a_id": [
"c5bg8eb"
],
"score": [
10
],
"text": [
"This is the question that destroys the image of Empires as being inherently evil states; why did so many people not only accept being part of an Empire but actively take part in them? Was it because the majority of humanity is/was evil or compla... | [] | [] | [
[]
] | |
7p8b4z | What were the reactions of early Jewish leaders to claims that Jesus had risen from the grave? Did they issue any refutations? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7p8b4z/what_were_the_reactions_of_early_jewish_leaders/ | {
"a_id": [
"dsfd2j1"
],
"score": [
6
],
"text": [
"No, there are no reactions recorded.\n\nIn general there isn't a whole lot of written material about Christianity from Jewish sources in this period. Rabbinic sources do have occasional reference to Jesus, but they don't generally contain meanin... | [] | [] | [
[]
] | ||
oer52 | Is it conceivable that we might tubes from the earth's surface into orbit and pump our smog or smoke from all the burning waste into the void of space to save the planet? | What might get in our way with this? | askscience | http://www.reddit.com/r/askscience/comments/oer52/is_it_conceivable_that_we_might_tubes_from_the/ | {
"a_id": [
"c3gn8yg"
],
"score": [
3
],
"text": [
"Gravity keeps it down."
]
} | [] | [] | [
[]
] | |
27n5i9 | why aren't we supposed to lock our knees when standing? | I don't understand why it's bad to lock your knees when standing. How else are you supposed to stand? Like you're riding a skateboard?
**edit: thanks guys! just to clarify i actually don't ride skateboards, i was just thinking that skateboarders kind of bend their knees, and i was wondering if i was supposed to stand... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/27n5i9/eli5_why_arent_we_supposed_to_lock_our_knees_when/ | {
"a_id": [
"ci2f04w",
"ci2g9sa",
"ci2hjfw",
"ci2hrwg",
"ci2izaq",
"ci2jmmt",
"ci2kh3t",
"ci2kl0j",
"ci2l1hn",
"ci2l1p9",
"ci2lpez",
"ci2lxzd",
"ci2m1kd",
"ci2m1ud",
"ci2m6nj",
"ci2mg8p",
"ci2moq7",
"ci2mzdx",
"ci2n4n1",
"ci2n57v",
"c... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
... | |
hsw6g | What exactly are the limitations on childhood learning? | I'm thinking about this mostly in terms of homeschooling as I don't think there's a public or private school in existence that could do this, due to funding, teacher limitations, etc.
For example, would it be possible to introduce summation, differentiation and integration in say 3rd or 4th grade along with the other ... | askscience | http://www.reddit.com/r/askscience/comments/hsw6g/what_exactly_are_the_limitations_on_childhood/ | {
"a_id": [
"c1y38vn"
],
"score": [
3
],
"text": [
"I feel qualified to answer this because I actually do Astrobiology education and have a masters in Education. \n\nThere are many schools that try different things. Some education researchers believe the only limit is time. IE if a student grasp a... | [] | [] | [
[]
] | |
3cqycl | how did donald trump end up with so much money? | He obviously inherited a good chunk, but I've heard all sorts of tales about how (and how well) he handled his money after that: "He would be worth more if he had just put his money in the stock market"; "He took advantage of the bankruptcy system"; "He made back his money by selling his name"; etc., but I don't have a... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3cqycl/eli5_how_did_donald_trump_end_up_with_so_much/ | {
"a_id": [
"csy6ii6",
"csy6wa0",
"csy84b9",
"csya9t9"
],
"score": [
128,
7,
46,
5
],
"text": [
"he made a business of getting investors to pay for a building to be built, called trump hotel, tower, ect. he didnt use his own money that had been used up with a previous failu... | [] | [] | [
[],
[],
[],
[]
] | |
1zfgyh | For depression and anxiety disorders, what is it in the brain that triggers the change in behaviour? | I am asking in the chemical or biological sense, when people suffering from depression or anxiety go "down" or have anxiety attacks, what is it in the brain that causes the degradation of their mental state?
Emotional responses are one thing but the symptoms aren't just that people feel down, they actually think more ... | askscience | http://www.reddit.com/r/askscience/comments/1zfgyh/for_depression_and_anxiety_disorders_what_is_it/ | {
"a_id": [
"cftcyhv"
],
"score": [
8
],
"text": [
"The one and only correct answer is: we don't know.\n\nSure, it looks like serotonin is involved. But it also looks like many other neurotransmitters are involved. And it doesn't stop there, because there are several brain regions and nuclei which... | [] | [] | [
[]
] | |
1sf40e | Germany and France are next to one another yet have vastly different languages. Why is this? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1sf40e/germany_and_france_are_next_to_one_another_yet/ | {
"a_id": [
"cdx2rmp"
],
"score": [
12
],
"text": [
"Territory that we now call France was part of Roman republic (and later Roman empire) for centuries. Its previous Celtic-speaking population adopted Latin language which later developed into dialects of Vulgar Latins, called Romance languages, w... | [] | [] | [
[]
] | ||
87zvzl | how does ovulation work? what are 'safe days' and 'fertile days'? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/87zvzl/eli5_how_does_ovulation_work_what_are_safe_days/ | {
"a_id": [
"dwgt1pm",
"dwgth3k",
"dwgtvxj"
],
"score": [
5,
3,
3
],
"text": [
"Fertile days are the ones just before, during and just after ovulation, about 3-5 days depending on your cycle. It's the time you're most likely to get pregnant. Ovulation is when one of your ovaries re... | [] | [] | [
[],
[
"https://youtu.be/WOi2Bwvp6hw"
],
[]
] | ||
4phsh2 | At what point did different civilizations begin to build vertically? What are the earliest multi-story buildings? | It occurred to me the other day that creating a flight of stairs or a ladder is not a simple invention. At what point did humans go from having single story buildings (houses or otherwise) to having buildings be two or more stories? What did they use to get to the top? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4phsh2/at_what_point_did_different_civilizations_begin/ | {
"a_id": [
"d4nbur4"
],
"score": [
2
],
"text": [
"Very early.\n\nThe cities Harappa and Mohenjo-Daro in the Indus Valley Civilization (which existed fro 3000 BC-1700 BC) which can now be found in modern-day Pakistan and northwest India were excavated to have several multi-storey buildings. \n\nA... | [] | [] | [
[]
] | |
qtijv | Did Greece's ancient significance to Western history influence early decisions to admit it to the EU/Eurozone? | Despite being the subject of Ottoman/Turkish control for nearly 500 years and subsequently lacking many modern Western European cultural, economic, and social institutions and shared experiences, it was admitted to the EU and Eurozone very early on. In light of its economic woes, was it admitted prematurely? Did its hi... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/qtijv/did_greeces_ancient_significance_to_western/ | {
"a_id": [
"c40cdta",
"c40damu"
],
"score": [
2,
6
],
"text": [
"I would say that it was probably more to do with the fact that towards the end of WWII, the UK and the USA supported the Greek royal family and government against comunist and leftist military groups in the Greek civil war, ... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Schuman_Declaration",
"http://en.wikipedia.org/wiki/Internal_Market",
"http://www.cvce.eu/obj/success_konstantinos_karamanlis_le_figaro_11_february_1976-en-19074d97-efda-45e1-b956-931833bb89c7"
]
] | |
3e1cpt | why isn't the white house flag at half staff following the tn shootings? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3e1cpt/eli5_why_isnt_the_white_house_flag_at_half_staff/ | {
"a_id": [
"ctal977"
],
"score": [
2
],
"text": [
"short answer is it's unclear. They lowered after Fort Hood, but don't usually lower federally for soldiers killed in line of duty. \n\n_URL_0_"
]
} | [] | [] | [
[
"http://m.snopes.com/2015/07/19/chattanooga-flags-half-staff/"
]
] | ||
5ahxbr | why was the morse code discontinued? | It seems very versatile, not just for telegrams but for secret messaging and transmission of knowledge with just visuals. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ahxbr/eli5_why_was_the_morse_code_discontinued/ | {
"a_id": [
"d9gkgp9",
"d9gkmhz",
"d9gkmlt"
],
"score": [
9,
5,
9
],
"text": [
"Morse code became obsolete when people found ways to transmit voice over radio/wire. As for the \"secret\" messages - they are not really secret, since anyone who knows the Morse code can decode them. A... | [] | [] | [
[],
[],
[]
] | |
da6rfb | Did Celtic cultures outside Gaul, Britain, and Ireland have druids too? | According to Wikipedia, Transylvanian Celtic religion may have influenced the practices of druids in other Celtic regions. But I'm not sure if these Transylvanian priests were quite the same thing as druids. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/da6rfb/did_celtic_cultures_outside_gaul_britain_and/ | {
"a_id": [
"f1nwvc7"
],
"score": [
5
],
"text": [
"The first problem there is that ,due to the popularity of \"Celtic\" romanticism and Celtic Revival, a lot of features are popularly attributed to all of Celtic peoples without necessarily being attested or verified in sources, either historical ... | [] | [] | [
[
"other.It",
"Caylar.It"
]
] | |
fheeo5 | Through *The Odyssey*, it's a severe threat to social order should Penelope entertain lovers (as exemplified in the ominous tale of Agamemnon's return), yet Odysseus himself has a string of lovers (Circe, Calypso, possibly Nausicca); was he a special case or indicative of a cultural double standard? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/fheeo5/through_the_odyssey_its_a_severe_threat_to_social/ | {
"a_id": [
"fkdvg1x",
"fkb7wn0",
"fkbcity"
],
"score": [
8,
10,
34
],
"text": [
"I can perhaps add a few notes on the character, raise some complications, and offer some ideological background given to these distinctions in the Archaic period. \n\nPenelope is presented as a crafty... | [] | [] | [
[],
[
"https://www.reddit.com/r/AskHistorians/comments/8ljrx2/odysseus_has_sex_with_several_women_hecuba_circe/"
],
[]
] | ||
1q0sny | why the king of hearts (also known as the suicide king), is more often than not, depicted having a sword through his head | [Here's](_URL_0_) an example of 4 seperate card decks with the suicide king, including the King of Hearts from both The Simpson's and Futurama's decks (Although in the Simpsons deck, The jack of hearts is responsible for the barrel of the gun).
Does anyone know why this is a recurring thing? Just Google image search "... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1q0sny/eli5_why_the_king_of_hearts_also_known_as_the/ | {
"a_id": [
"cd7zqza",
"cd807p2",
"cd80yyf",
"cd816oj",
"cd81rne",
"cd81ysq",
"cd82492",
"cd825zo",
"cd827jg",
"cd82goh",
"cd82o5p",
"cd82vqk",
"cd82yf5",
"cd84ml6",
"cd87ajg",
"cd87pvs",
"cd88cqo",
"cd88sbu",
"cd8b3ya",
"cd8b4p8",
"c... | [] | [
"http://i.imgur.com/nyjlanB.png"
] | [
[],
[
"http://ilikeleisure.com/post/3702901542/who-killed-the-king-of-hearts"
],
[],
[],
[],
[],
[
"http://www.wopc.co.uk/cards/courts.html"
],
[],
[
"http://i.imgur.com/nbxKTGf.png",
"http://i.imgur.com/Xx86un0.jpg",
"http://i.imgur.com/KNx0ejX.jpg"
],
[],
[
"http:... | |
423mqh | For your average Russian serf around the time of Catherine II, would joining the army be a step up in life? | From my understanding life as a serf in Imperial Russia was sorta shit, being sort of close to chattel slavery in many ways. So I was wondering if joining the Russian army was an upgrade in life quality at all? Was it a small step up the social ladder? Was the notoriously draconian life of the Russian army any worse th... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/423mqh/for_your_average_russian_serf_around_the_time_of/ | {
"a_id": [
"cz7v3ab"
],
"score": [
4
],
"text": [
"Modified from an [earlier answer](_URL_0_) \n\nMilitary service in the Petrine army and its successors was very much a mixed bag. One of Peter I's innovations, and one that made Russia's military unique up through the Napoleonic Wars was that he ... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/352yj8/im_a_young_serf_from_near_moscow_at_the_end_of/"
]
] | |
1qplad | why do the vast majority of government websites look old and outdated? | Adding on to this question, since their design was funded in the first place, why aren't they updated? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1qplad/eli5_why_do_the_vast_majority_of_government/ | {
"a_id": [
"cdf5ku1",
"cdf5tdz"
],
"score": [
2,
2
],
"text": [
"Changes in design require new funding. Web development for the government doesn't run cheap - you have tons of regulation that has to be dealt with in addition to normal development.\n\nThey will probably at minimum need to ... | [] | [] | [
[],
[]
] | |
no118 | the third prong on an electrical plug | I know it's called a ground plug, and I know that it's a safety measure, but beyond that I don't know why it's there and why it's better to have one. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/no118/eli5_the_third_prong_on_an_electrical_plug/ | {
"a_id": [
"c3al62r",
"c3alcsj",
"c3amijl",
"c3al62r",
"c3alcsj",
"c3amijl"
],
"score": [
2,
8,
15,
2,
8,
15
],
"text": [
"I took this from my physics class (15 years old) what it does, assuming their was a fault like an opencircuit and the resistance sky r... | [] | [] | [
[],
[],
[
"http://amasci.com/amateur/whygnd.html"
],
[],
[],
[
"http://amasci.com/amateur/whygnd.html"
]
] | |
3rlrwl | Why don't vehicle exhaust pipes have some kind of CO2 and CO scrubbers like what spacecrafts have? | I tagged this as chemistry, but I'm not sure if that's an appropriate tag. | askscience | https://www.reddit.com/r/askscience/comments/3rlrwl/why_dont_vehicle_exhaust_pipes_have_some_kind_of/ | {
"a_id": [
"cwpnahq"
],
"score": [
6
],
"text": [
"Money mostly. We definitely have technologies that can scrub CO2 out of exhaust but they are either going to require constantly replacing some kind of absorbing media or a large amount of energy to convert the CO2 into something usable (like oxy... | [] | [] | [
[]
] | |
j2grc | can someone explain stimulus package (like i'm 5)? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/j2grc/can_someone_explain_stimulus_package_like_im_5/ | {
"a_id": [
"c28la5m"
],
"score": [
3
],
"text": [
"Governments pay for projects, (like new highways or theatres,) so that more people can have jobs.\n\nThen more people will have money to spend, which will make more jobs for other people, (like shoemakers and dentists,) and soon enough people wil... | [] | [] | [
[]
] | ||
1vgats | how is a spacecraft going to land on a meteor | I have been hearing a lot lately about new space probes landing on meteors. How is it possible that something that is moving so much faster than a planet and is also of a much smaller size can have any sort of gravitational pull for a probe to land on it. Some of the terminology I'm using is definitely off also. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1vgats/eli5_how_is_a_spacecraft_going_to_land_on_a_meteor/ | {
"a_id": [
"cery3xa",
"ceryavd"
],
"score": [
4,
2
],
"text": [
"There doesn't have to be significant gravitational pull - the probe will essentially fly up alongside and match velocities so that it ends up touching the meteor. This is very similar to a spacecraft docking at the space sta... | [] | [] | [
[],
[]
] | |
329x7a | what happens when we get "butterflys" in our stomach? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/329x7a/eli5_what_happens_when_we_get_butterflys_in_our/ | {
"a_id": [
"cq9966e"
],
"score": [
5
],
"text": [
"When you're nervous, your body floods with adrenaline. It's known as the fight-or-flight response as your body gets ready to react whatever way it needs to a danger. \n\nOne of the things that happens is your body reduces blood flow to nonessent... | [] | [] | [
[]
] | ||
3ep5rc | why do extreme temperatures make me lethargic? | My AC is been out for a couple of days and its 100 degrees out. All I wanna do is loaf around. Same when its really cold. What up with that? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3ep5rc/eli5_why_do_extreme_temperatures_make_me_lethargic/ | {
"a_id": [
"cth1vjq"
],
"score": [
8
],
"text": [
"It takes a lot of energy for your body to either heat itself up or cool itself down. Leaves less energy for things like exercise... which will in turn only heat you up further. Shivering when you're cold is a way for your body to generate heat ... | [] | [] | [
[]
] | |
9vohww | why are fertility rates decreasing? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9vohww/eli5_why_are_fertility_rates_decreasing/ | {
"a_id": [
"e9dv7g3",
"e9dxeca"
],
"score": [
5,
2
],
"text": [
"People are having less babies. Infant mortality dropped, women have other things to do than just parent, we have birth control. We can control when we get pregnant, and we don't need large families the way we use to.\n\nFert... | [] | [] | [
[],
[]
] | |
1wwcvf | how do they show events that have not happened yet on t.v.? (ads for the opening ceremonies in sochi) | I was watching a commercial for the Olympics in Sochi that Start on Thursday and they had footage from the opening ceremonies like the torch being lit and countries walking in the stadium and being introduced. How do they do that if these events have not happened yet? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1wwcvf/eli5how_do_they_show_events_that_have_not/ | {
"a_id": [
"cf5y4f7",
"cf5z3n6",
"cf657hq"
],
"score": [
19,
8,
4
],
"text": [
"That's footage from past Winter Olympics, not Sochi. ",
"It's footage from past Olympics, or footage taken from dress rehearsals, etc.",
"Sometimes they show archived footage from previous even... | [] | [] | [
[],
[],
[]
] | |
2t7aty | Can cancer spread through transfusion? | So let's say someone with cancer ( and doesn't know) donated blood. If the cancer had metastasized, could it then spread to the receiver? | askscience | http://www.reddit.com/r/askscience/comments/2t7aty/can_cancer_spread_through_transfusion/ | {
"a_id": [
"cnwshrm"
],
"score": [
3
],
"text": [
"Its very unlikely. The cancer cells aren't cells of your own body, so your immune system will attack them. \n\nHowever there are some exceptions. If the cancer cells can make their way to an immunological privileged site (places where swelling is... | [] | [] | [
[]
] | |
49s9tr | when did wearing the jersey of your favorite sports team become popular, and why? | Edit: I should have been more clear, I meant why as in why did it become popular. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/49s9tr/eli5_when_did_wearing_the_jersey_of_your_favorite/ | {
"a_id": [
"d0uh4o0"
],
"score": [
2
],
"text": [
"Showing support for your team has been a thing for a long time. I don't think that's changed appreciably in the last several decades.\n\nWhat has changed has been the availability of jerseys and the acceptability of wearing them in public. We'v... | [] | [] | [
[]
] | |
s66oz | How much of an image can you build of a person from simply examing their brain? | If you only had access to a random individual's brain, how much information could you gather from it, in terms of personality, appearance, race, gender, etc
This would be without looking at their genes though. | askscience | http://www.reddit.com/r/askscience/comments/s66oz/how_much_of_an_image_can_you_build_of_a_person/ | {
"a_id": [
"c4bf01h",
"c4bgz49"
],
"score": [
3,
3
],
"text": [
"Not sure if this is allowed in the limits of your hypothetical experiment but if you put said person in an MRI and started doing [fMRI imaging of their brain](_URL_0_) in response to carefully thought out statements or words... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Fmri"
],
[
"http://cercor.oxfordjournals.org/content/18/12/2920.short",
"http://www.sciencedirect.com/science/article/pii/S1053811904006822",
"http://www.sciencedirect.com/science/article/pii/S105381190500145X"
]
] | |
6kl2hr | is there no discernable brain activity that would allow us to read what a person is thinking? | If not, how come? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6kl2hr/eli5_is_there_no_discernable_brain_activity_that/ | {
"a_id": [
"djmwjxi"
],
"score": [
3
],
"text": [
"We can detect which parts of the brain are lighting up, if the person is in an MRI, but not what memories, words, or images they are actually picturing. Brains are mindboggingly complex, and there is no one spot responsible for every word, image,... | [] | [] | [
[]
] | |
a1t3s9 | Does muscular atrophy cause muscle memory/acquired skills to decay? | Quick examples to elaborate:
If a pianist experienced muscular atrophy, would his well-honed fundamental skills and/or ability to play specific pieces decline? (Assuming the decline in his strength and stamina are not impactful on his ability to play)
If a baseball player experienced muscular atrophy, would his l... | askscience | https://www.reddit.com/r/askscience/comments/a1t3s9/does_muscular_atrophy_cause_muscle_memoryacquired/ | {
"a_id": [
"eass42k",
"eatd3mn"
],
"score": [
3,
2
],
"text": [
"It likely depends on the cause of the atrophy. “Muscle” memory is actually a neurological phenomenon - a pathway worn into the brain from repetition. It should theoretically be retained unless the atrophy is neurologic (loss... | [] | [] | [
[],
[]
] | |
2io6vx | the difference between the domain controller and an active directory. | This always confuses me, so I would appreciate the help. Thanks! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2io6vx/eli5_the_difference_between_the_domain_controller/ | {
"a_id": [
"cl3v6h0"
],
"score": [
5
],
"text": [
"Active directory is the place where information about people and organizations are stored and accessed. The domain controller is the host(s) on the network that _manage_ membership within the network, often using active directory as it's source ... | [] | [] | [
[]
] | |
1tn9jy | why do american trucks and european trucks look so different? | After playing Euro Truck Simulator, I noticed that Euro trucks are flat in the front and don't have noses, where American trucks have long noses. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1tn9jy/eli5why_do_american_trucks_and_european_trucks/ | {
"a_id": [
"ce9m1nq",
"ce9opf8"
],
"score": [
7,
2
],
"text": [
"Hahaha I WAS wondering, is this guy playing that trucking game? ETS2 is my current gaming addiction, I can't stop playing.\n\nAnyway it's mostly vehicle length regulations. For a while America had similar, either on a stat... | [] | [] | [
[],
[]
] | |
61wrjd | If we were to colonize one of Jupiter's moons, would Jupiter have cycles the same way our moon has lunar cycles? | If we were to somehow colonize one of Jupiter's moon, would Jupiter go through cycles like our moon? Would we look in the sky and maybe see Jupiter like a crescent? | askscience | https://www.reddit.com/r/askscience/comments/61wrjd/if_we_were_to_colonize_one_of_jupiters_moons/ | {
"a_id": [
"dfi2tqq"
],
"score": [
10
],
"text": [
"Yes, if you were on the side of the moon facing Jupiter, you would see Jupiter cycle through its phases every day. Jupiter's location on the sky wouldn't change during the course of the day, but the fraction of Jupiter's face illuminated by sun... | [] | [] | [
[
"https://saturn.jpl.nasa.gov/resources/1660/?category=images"
]
] | |
54w75b | why exactly are whole life insurance policies considered scams? | Almost everything I've read recently has said not to purchase and/or contribute to the policy. Doesn't the cash value grow within the policy as you contribute to it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/54w75b/eli5_why_exactly_are_whole_life_insurance/ | {
"a_id": [
"d85fm2z",
"d85g2hv"
],
"score": [
3,
2
],
"text": [
"The school of thought that calls them expensive has several solid points in their favor:\n\n* Insurance is supposed to protect the buyer against risks that would wipe them out financially. Life insurance makes a lot of sens... | [] | [] | [
[],
[]
] | |
eko88x | why do anime characters have to yell the name of their move? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/eko88x/eli5why_do_anime_characters_have_to_yell_the_name/ | {
"a_id": [
"fdcr94l"
],
"score": [
4
],
"text": [
"It's so that the \"move\" is identifiable to the audience. Think about how many kids have tried the \"kamehamaha way\" irl. Do you think that happened by accident? That kind of playground nonsense is what keeps shows like dbz and powerrangers pop... | [] | [] | [
[]
] | ||
86o7k6 | sperm competition | Im aware that sperm compete to get to the egg, but what im wondering is how is this helpful? wouldnt this just promote males that produce fast sperm but potentially have less than adequate genes or does having fast sperm correlate to good genes? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/86o7k6/eli5_sperm_competition/ | {
"a_id": [
"dw6krda",
"dw6l0qr",
"dw6nqql",
"dw76agf"
],
"score": [
4,
4,
2,
10
],
"text": [
"I may be wrong, but I'm pretty sure it doesn't have much of an effect between males, but it is this way because then the healthiest, usually the fastest, will reach the egg first.... | [] | [] | [
[],
[],
[],
[]
] | |
4lqs51 | What was the difference between a marquess and earl in English peerage? | [deleted] | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4lqs51/what_was_the_difference_between_a_marquess_and/ | {
"a_id": [
"d3pi6rw"
],
"score": [
2
],
"text": [
"The title of Marquess/Marquis in the English/British peerage has only symbolic connection to the title's antecedents of border / \"marcher\" lords on the Continent or in England and Wales. \n\nThe actual use of Marquess in the peerage was to be ... | [] | [] | [
[]
] | |
xuaca | when i sneeze i only sneeze once or twice, my so sneezes up to seven times. elif why does this happen? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/xuaca/when_i_sneeze_i_only_sneeze_once_or_twice_my_so/ | {
"a_id": [
"c5ppb3m"
],
"score": [
2
],
"text": [
"Most likely, you are sneezing with more force than your SO is. Sneezing is a way of removing irritants from the nasal passages, whether this be pollen, dust, cat hair, etc. If you are sneezing at 40mph, and your SO is sneezing at 10mph, it will t... | [] | [] | [
[]
] | ||
bj94q5 | How high do mountains have to be to affect precipitation? | This one has been bothering me pretty much as long as I've known: Obviously, mountains cause rain shadows by blocking rain, so there's a dry area right next to the ocean. However, where's the limit? For example, is like half a kilometer high enough? | askscience | https://www.reddit.com/r/askscience/comments/bj94q5/how_high_do_mountains_have_to_be_to_affect/ | {
"a_id": [
"em7pzuw"
],
"score": [
6
],
"text": [
"One of the better answers to this question comes from this [paper](_URL_1_). These authors use the Andes as a (huge) natural laboratory and compare topography and satellite derived precipitation measurements to (among other things) try to underst... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Orographic_lift",
"https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2007GL032011"
]
] | |
3mtq8n | why do car lock remotes not lock/unlock other cars within their range? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3mtq8n/eli5_why_do_car_lock_remotes_not_lockunlock_other/ | {
"a_id": [
"cvi06sr"
],
"score": [
3
],
"text": [
"Both the remote and the car use a pseudo-random number generator with the same seed. A psuedo-random number isn't truly random, but acts like it. Two computers with the same seed number and using the same random function will generate the same se... | [] | [] | [
[]
] | ||
61gow5 | Does a "simple" video have a smaller file size than a "busy" one? | If I'm watching a video that has very little activity on the screen (like a music video on YouTube that just has the album cover) will that have a similar file size to something that is a lot busier? I feel like the video codec should be able to recognize that there isn't anything happening and reduce file size accordi... | askscience | https://www.reddit.com/r/askscience/comments/61gow5/does_a_simple_video_have_a_smaller_file_size_than/ | {
"a_id": [
"dfejbyu"
],
"score": [
27
],
"text": [
"For most compressed formats that is true. They generally try to reduce the file size by compressing individual frames in the video (intra-frame compression) and by recognizing similarities between frames (inter-frame compression). That means tem... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Video_compression_picture_types"
]
] | |
1crdsx | Why is magnetic attraction more powerful than gravity? Also, is there such things as "magnetic waves"? | askscience | http://www.reddit.com/r/askscience/comments/1crdsx/why_is_magnetic_attraction_more_powerful_than/ | {
"a_id": [
"c9j941d",
"c9j9ana",
"c9jac15"
],
"score": [
3,
10,
3
],
"text": [
"To my knowledge it is not well understood why the electromagnetic force is stronger than gravity. I'm sure there are hundreds of theories, but there's no compelling evidence for any of them. Right no... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Hierarchy_problem"
],
[]
] | ||
1w2yxw | Why can't we make an all in one Group A Strep Vaccination? | Group A Strep vaccination research is difficult due to the number of different serotypes. Few vaccinations make it to the trial stage, and even then they only work against a few of the many types. What prevents us from combining all the Strep vaccines into a all in one vaccine? | askscience | http://www.reddit.com/r/askscience/comments/1w2yxw/why_cant_we_make_an_all_in_one_group_a_strep/ | {
"a_id": [
"ceyqozr"
],
"score": [
2
],
"text": [
"This is very complicated answer. Here's a pretty good [review](_URL_0_).\n\nBut long story short, there are two main reasons:\n\n1) There is a theoretical (but possibly demonstrable) risk of rheumatic fever after vaccination. Presenting multiple ... | [] | [] | [
[
"http://journals.lww.com/pidj/Documents/Feb%2013%20ESPID%20Progress_Toward_a_Global_Group_A_Streptococcal.19.pdf"
]
] | |
88yfuf | Did medieval European clothing have pockets? | In films and fiction books they always just shove something in their tunic and it magically stays there until they need it. It seems unlikely. How did people store personal belongings on them? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/88yfuf/did_medieval_european_clothing_have_pockets/ | {
"a_id": [
"dwo7f88"
],
"score": [
3
],
"text": [
"The short answer is no, no pockets.\n\nThe long answer is that you wouldn't generally speaking have pockets built into your clothing like we do, but you might have a pouch, purse or scrip which fastened to your belt or girdle. A drawstring design... | [] | [] | [
[
"http://cottesimple.com/wp/wp-content/uploads/2012/10/1340_rectangular_Paris_large.jpg"
]
] | |
17v9e9 | Would battles or skirmishes ever be started out of boredom in the middle ages? | I know from reading narratives from the Vietnam War that many times soldiers would intentionally walk into an ambush just because they were itching for a firefight, I guess with the idea that they were slightly safer knowing one was coming up than if they were legitimately ambushed.
I was also thinking about a recent ... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/17v9e9/would_battles_or_skirmishes_ever_be_started_out/ | {
"a_id": [
"c89dhks"
],
"score": [
2
],
"text": [
"I don't know that actual battles would spring up out of a couple thousand armored guys not having anything else to do, but I can tell you with certainty that the First Crusade was organized as a result of boredom among the nobility.\n\nBecause th... | [] | [] | [
[]
] | |
1pbx9k | how does frostbite destroy and permanently damage flesh? and how do you know if you get it? | I feel like I have had mild cases of frostbite, where my hands would be hot once they are in a controlled environment, and my fingers look like they are swollen. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1pbx9k/eli5_how_does_frostbite_destroy_and_permanently/ | {
"a_id": [
"cd0ticv"
],
"score": [
2
],
"text": [
"I'm no medical expert, but my understanding is as follows:\n\nFrostbite is caused when tissue freezes after prolonged exposure. As your body cools, blood is drawn away from extremities such as fingers or toes and concentrated in the core to prote... | [] | [] | [
[]
] | |
73egxu | If we know the bacteria that cause pneumonia why can't we make a vaccine for it? | askscience | https://www.reddit.com/r/askscience/comments/73egxu/if_we_know_the_bacteria_that_cause_pneumonia_why/ | {
"a_id": [
"dnpqz5m",
"dnpxva0"
],
"score": [
69,
8
],
"text": [
"Pneumonia just refers to an infection in the lung parenchyma. It can be caused by many bacteria and viruses but the most common is *Strep pneumoniae*, also called pneumococcus. \n\nThere are 2 vaccines for pneumococcal pneu... | [] | [] | [
[],
[]
] | ||
4pxvnc | why do high-end restaurants do not show pictures of their food in their menu? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4pxvnc/eli5_why_do_highend_restaurants_do_not_show/ | {
"a_id": [
"d4om8g6",
"d4oma42",
"d4oovz1",
"d4op3ap",
"d4opll9",
"d4oq8vx",
"d4oql31"
],
"score": [
7,
229,
21,
5,
25,
8,
3
],
"text": [
"From what I've heard, food is very difficult to photograph well. That's why there are people who's job it is t... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | ||
2aok3m | There are so many theories about the beginnings of agriculture. But which one is the most accepted by the modern day historian? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2aok3m/there_are_so_many_theories_about_the_beginnings/ | {
"a_id": [
"cix8h9o"
],
"score": [
6
],
"text": [
"This really is more of an archaeological and anthropological question so I suggest cross-posting it to /r/AskAnthropology. \n\nBesides that, can you be more specific about which hypotheses you are referring to? There have been tons of hypotheses ... | [] | [] | [
[]
] | ||
4jz93s | why does ~x = -x - 1? | I've always been confused about why the bitwise negation `~` of any number `x` equals `-x - 1`.
Should the bitwise negation flip each bit from 1 to 0 and vice versa?
For example, `~10 = -11`, but the binary representation of `10` is `1010` and the binary representation of `-11` is `-1011`?
How come that works? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4jz93s/eli5why_does_x_x_1/ | {
"a_id": [
"d3au87e",
"d3avr3j",
"d3b86w1"
],
"score": [
10,
6,
2
],
"text": [
"In binary math, for most systems, we use what is called Two's complement. It is a way to eliminate the possibility of a positive and negative 0.\n\nThe highest bit (the left-most bit in a binary sequen... | [] | [] | [
[],
[],
[]
] | |
6mnnwa | Are medical tests structured to be more likely to give a false positive or a false negative? | By "test" I mean something like a pregnancy test or strep throat test. | askscience | https://www.reddit.com/r/askscience/comments/6mnnwa/are_medical_tests_structured_to_be_more_likely_to/ | {
"a_id": [
"dk36wm4",
"dk3peu7"
],
"score": [
9,
6
],
"text": [
"Both. You're thinking of sensitivity (percentage of true positive) and specificity (percentage of true negative). A gold standard would have 100% of both. I don't think there's any \"structure\", what you see if what you get... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Sensitivity_and_specificity"
]
] | |
mhrow | Data transmission in Space | How does it possible to transmit data from Mars to Earth? (i.e. image transmitted by Spirit)
Under Earth's atmosphere it is possible to use the radio waves for communication but I wonder how to send/receive data in Space? | askscience | http://www.reddit.com/r/askscience/comments/mhrow/data_transmission_in_space/ | {
"a_id": [
"c310jxg",
"c310r3s",
"c311q0b",
"c310jxg",
"c310r3s",
"c311q0b"
],
"score": [
7,
6,
2,
7,
6,
2
],
"text": [
"You do not need atmosphere to send radio signals. In fact, it is better without atmosphere. ",
"NASA uses the Deep Space Network to ... | [] | [] | [
[],
[
"http://deepspace.jpl.nasa.gov/dsn/"
],
[],
[],
[
"http://deepspace.jpl.nasa.gov/dsn/"
],
[]
] | |
1h25pi | were the Saxons a united kingdom, or just a nebulous ethnic group in AD350? | . | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1h25pi/were_the_saxons_a_united_kingdom_or_just_a/ | {
"a_id": [
"caq6fq3"
],
"score": [
11
],
"text": [
"While there definitely was not a 'united kingdom', the early Saxon migrations might have been coordinated by one or a few enterprising individuals (Bede's Hengest and Horsa, for example). Germanic social structure in this time was not strictly o... | [] | [] | [
[]
] | |
58h2bv | why pens appear 'bendy' | As a kid we always used to do that thing where you hold a pen/pencil between your index finger and thumb and 'wobble' it, why when you do this does the pen appear to 'bend' back and forth, even though it is rigid and is obviously staying straight, it is that our eyes simply can't keep up, or something more? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/58h2bv/eli5_why_pens_appear_bendy/ | {
"a_id": [
"d90herw",
"d90i99v"
],
"score": [
2,
2
],
"text": [
"Believe it or not, like a camera, our brain has a \"frame rate\" or amount of information we can take in per second and process. It's about 15 f/s. (Side note: any motion slower than that doesn't really seem smooth to us.)\n... | [] | [] | [
[],
[]
] | |
2x9egw | why is society so averse to people taking their own lives? | I mean I understand the social stigma around suicide, but with the /r/videos post on the front page showing a guy getting shot to "save his life", I can't help but wonder why a society would make it illegal to claim one's own life. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2x9egw/eli5_why_is_society_so_averse_to_people_taking/ | {
"a_id": [
"coy3zl1",
"coy5rt2",
"coy5vxf",
"coy7my7"
],
"score": [
3,
4,
39,
2
],
"text": [
"Because we are wired to want to live. Things like fear and 'flight or fight' mechanisms were evolved to help us survive and stay alive. So when someone wants to kill themselves so... | [] | [] | [
[],
[],
[],
[]
] | |
51b0j2 | In most photos of galaxies there seems to be a bright central core. Is that just some giant star or a huge mass of them? | this is just some thing I have noticed looking at all the gorgeous images we have from the Hubel telescope.
| askscience | https://www.reddit.com/r/askscience/comments/51b0j2/in_most_photos_of_galaxies_there_seems_to_be_a/ | {
"a_id": [
"d7aryac",
"d7ase9l"
],
"score": [
26,
10
],
"text": [
"Many hundreds of millions of stars. Look at [this](_URL_0_) ultra high resolution picture of the Andromeda Galaxy. This is a zoomable image, be sure to zoom *way* in. Each point of light is a star or star cluster. Note tha... | [] | [] | [
[
"http://www.spacetelescope.org/images/heic1502a/zoomable/"
],
[]
] | |
oickc | Are there any documented differences between men and women's swimming skills? | After a cruiser hit ground in the middeteranian during the evacuation children and women got to go on the lifeboats first. I am serious now, this actually started a swedish twitter debate about equality between men and women, claiming that your gender should not matter when it comes to getting on a lifeboat and that it... | askscience | http://www.reddit.com/r/askscience/comments/oickc/are_there_any_documented_differences_between_men/ | {
"a_id": [
"c3hibb6",
"c3hif9h"
],
"score": [
5,
2
],
"text": [
"The idea of women and children first is rooted in chivalry. It has no real basis on men or women and their swimming ability.\n\nScientifically though women naturally have more body fat than men which makes them more buoyant ... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/List_of_Olympic_records_in_swimming"
]
] | |
3z8nwb | why do songs on the radio sound higher pitched than songs played digitally or on cds? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3z8nwb/eli5_why_do_songs_on_the_radio_sound_higher/ | {
"a_id": [
"cyk3sy2",
"cyk48ft"
],
"score": [
5,
3
],
"text": [
"The pitch is the same. It can be altered but is not. Your radio is not producing the bass portion as well as the other two. So you pay attention to the treble part more.",
"Sometimes radio stations will speed up songs to... | [] | [] | [
[],
[]
] | ||
1trk6p | how does software know that you have already used their 30 day free trial after you uninstall and then re-install the software? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1trk6p/how_does_software_know_that_you_have_already_used/ | {
"a_id": [
"ceaqrr9",
"cear4o5"
],
"score": [
3,
2
],
"text": [
"The application could have written the original installation date into the *windows registry* and this information would usually remain untouched after the de-installation.",
"A few possibilities:\n\n* The installer inst... | [] | [] | [
[],
[]
] | ||
1mg9i6 | What causes some planes to have characteristic sounds? Is it the airframe, engines, a combination of these or something else? | Example - in this video [taken at the Mach Loop](_URL_0_), the Eurofighter Typhoon has makes a 'moaning' sound which you can pick out before you can see the responsible plane (~3:45), whereas the F-15s make a 'ripping' sound (~4:10) as they pass. | askscience | http://www.reddit.com/r/askscience/comments/1mg9i6/what_causes_some_planes_to_have_characteristic/ | {
"a_id": [
"cc91p35"
],
"score": [
4
],
"text": [
"There are a lot of things at play here. To give a one word answer: engines. However, that is a gross oversimplification.\n\nFirst, I'd like to address the ripping sound. To me, it sounds like a lot of that sound is simply an artifact of the fa... | [] | [
"http://youtu.be/3-7zHlOi4T4"
] | [
[]
] | |
4qmnuy | How does liquid soap clear the grease/oil layer of dishes in water so quickly? | To clarify, this can be observed by applying a single drop of liquid soap to a greasy pan that's been soaking in water. The thin film of grease disappears almost immediately without any scrubbing action. | askscience | https://www.reddit.com/r/askscience/comments/4qmnuy/how_does_liquid_soap_clear_the_greaseoil_layer_of/ | {
"a_id": [
"d4u9wzf"
],
"score": [
3
],
"text": [
"Grease is hydrophobic. So it doesn't mix with water. Soap is usually amphiphilic which means it's got one side that mixes with water and one side that mixes with oil. \n\nThe side that mixes with oil is attracted to the oil. The oil soap mix is a... | [] | [] | [
[
"http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/Articleimage/2014/RA/c3ra45875j/c3ra45875j-f1_hi-res.gif",
"http://conqchem.cci.net.au/HSCopt1Micelle1.gif"
]
] | |
4j4i42 | what makes japanese bullet trains much faster and efficient than regular trains? | The question is mostly directed toward the magnetic motor | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4j4i42/eli5_what_makes_japanese_bullet_trains_much/ | {
"a_id": [
"d33n2jy",
"d33pald"
],
"score": [
2,
52
],
"text": [
"EDIT: /u/L8BCIFPOouJHjFMTFQdY gives a better answer. maglev bullet trains are being introduced, but they are very much a minority.\n\nThey (maglevs) float above the track. With magnets and superconductors and shit. That... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Shinkansen#Technology"
]
] | |
4f329c | national socialism/fascism | How does this system work?
Is racism and genocide a required concept in this ideology?
why did Germany, one of the first countries to adopt this ideology seemed so successful economically and technologically before they ruined themselves in ww2?
Can it be implemented today without all its negative qualities? (rac... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4f329c/eli5national_socialismfascism/ | {
"a_id": [
"d25i1p7",
"d25im42"
],
"score": [
2,
3
],
"text": [
"It's not a specific system, but has several parts, but it is very common for these parts to get referred to by a variety of names.\n\nFascism has come to largely be associated with an ideology of reduced tolerance for cultur... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Pacification_of_Libya"
]
] | |
6cule9 | Why did "communist" revolutions often originate in agricultural instead of industrial societies? | A quick search on this subreddit showed that a similar question was asked [four months ago](_URL_0_), but the only (interesting) answer is about why Cuba's revolution wasn't really communist.
If I recall correctly communism was a response by Marx and Engels on the exploitation of labourers during the industrial revol... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6cule9/why_did_communist_revolutions_often_originate_in/ | {
"a_id": [
"dhxrqba"
],
"score": [
42
],
"text": [
"I'm in mobile and don't have access to my notes or books, so I apologize for the less-than rigorous response. \n\nWhat you're asking about can essentially be restated as \"Why does communist in practice not adhere to Marx's presentation of diale... | [] | [
"https://www.reddit.com/r/AskHistorians/comments/5oyy9c/why_were_communist_revolutions_predominantly/"
] | [
[]
] | |
3olrb2 | Is the game "Crusader Kings 2" portrayal of 9th Century Italy accurate? | Hi AskHistorians! I'm working on a historical fiction story, set in 9th Century Italy, after the death of the younger son of late "Emperor" Lothair I. However, I'm having trouble finding information about the political and social situation of the kingdom in that time. So I went to CK2 "Old Gods" bookmark, that has a ma... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3olrb2/is_the_game_crusader_kings_2_portrayal_of_9th/ | {
"a_id": [
"cvyaxdz"
],
"score": [
14
],
"text": [
"Politically, in terms of who is ruling each region, it's probably pretty close to the truth. *Crusader Kings* can be good about that stuff. That said, the way the nobility in any given region interacted is going to vary, and thus CK2's system is... | [] | [] | [
[
"http://www.worldcat.org/title/italy-in-the-early-middle-ages-476-1000/oclc/48532606&referer=brief_results",
"http://www.worldcat.org/title/early-medieval-italy-central-power-and-local-society-400-1000/oclc/7576748"
]
] | |
4ybk8n | What's the difference between a primary source and an anecdote? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4ybk8n/whats_the_difference_between_a_primary_source_and/ | {
"a_id": [
"d6mjnlb"
],
"score": [
2
],
"text": [
"To clarify, as you asking in the broader sense of historical study, or specifically in the context of the \"No Personal Anecdotes\" rule on this subreddit?"
]
} | [] | [] | [
[]
] | ||
1xaxbk | Do historians think Zoroaster existed? | Do historians think Zoroaster existed? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1xaxbk/do_historians_think_zoroaster_existed/ | {
"a_id": [
"cf9ozva"
],
"score": [
8
],
"text": [
"Well, you can doubt the existence of virtually every historical figure, especially when it is as remote in history. There is a French scholar who wrote a book in the 1820s to prove (jokingly, of course) that Napoleon was an allegorical figure who... | [] | [] | [
[]
] | |
7984e8 | why can't we see very small things? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7984e8/eli5_why_cant_we_see_very_small_things/ | {
"a_id": [
"dozxsd3"
],
"score": [
7
],
"text": [
"It doesn't even get down to physical properties such as wavelengths. The simple fact is that your eyes have *limited resolution*. Any light that passes into your eye has to be captured by the light-sensitive parts of cells at the retina (the so-c... | [] | [] | [
[]
] | ||
g7um8 | Does this mean days were shorter while dinosaurs were being awesome because the earth was spinning faster? | [by this, I mean this.](_URL_0_) | askscience | http://www.reddit.com/r/askscience/comments/g7um8/does_this_mean_days_were_shorter_while_dinosaurs/ | {
"a_id": [
"c1lklti",
"c1ll2az",
"c1llmso",
"c1lnvhk"
],
"score": [
2,
2,
2,
2
],
"text": [
"If this guy were a drug that is so lethal to your mind because you risk immense mind blowing (tantamount to the Big Bang going off in your mind every microsecond) then i would take... | [] | [
"http://i.imgur.com/k2b4W.jpg"
] | [
[],
[],
[],
[]
] | |
6svs3a | how do investors who invest into apps like snapchat make their money back? | Hello. So I want to venture into business so I am currently doing a lot of research. I want to know why so many people invest into snapchat and pour millions of dollars into it. What makes snapchat inc worth the billions of dollars it is proclaimed to be? How do these investors make their money back after investing lar... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6svs3a/eli5how_do_investors_who_invest_into_apps_like/ | {
"a_id": [
"dlfxm24"
],
"score": [
3
],
"text": [
"This is a bit long to explain, but I'll try to keep it as simple as possible.\n\nImagine Snapchat as a bigass pie. An investor will buy up a percentage of that pie. As Snapchat grows, each piece of its pie will grow and become more valuable. Howe... | [] | [] | [
[]
] | |
de44zl | What are instances in which candidates for the American presidency attempted or obtained assistance from foreign powers to win the election? | For example, were there any interactions between Nixon's campaign of 1968 and the North Vietnamese, or the Reagan's campaign of 1980 and the Iranian revolutionaries holding Americans hostage? Or perhaps other examples? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/de44zl/what_are_instances_in_which_candidates_for_the/ | {
"a_id": [
"f2rqoeq"
],
"score": [
7
],
"text": [
"I cannot answer this in full for all US elections because that is not my field of knowledge.\n\nFrom my own field however, I can say that in the 1968 US presidential elections, the Soviet Union tried to interfere in it. Initially the Soviet ambas... | [] | [] | [
[]
] | |
40nl6b | Do men and women have mental/psychological traits that occur on average more for their respective sex than the other? | I had a conversation with a friend of mine yesterday regarding the idea of a male and female brain. I don't think any traits are going to be exclusive or always present for either sex, but I do think that on AVERAGE women enjoy certain activities, products, etc more than men and vice versa. Also I wanted to ask if any ... | askscience | https://www.reddit.com/r/askscience/comments/40nl6b/do_men_and_women_have_mentalpsychological_traits/ | {
"a_id": [
"cywlwpt",
"cywo1ng"
],
"score": [
5,
3
],
"text": [
" > Also I wanted to ask if any of these traits are the result of biology.\n\nTwin studies show that a part of our personality is determined by our genes. Identical twins reared apart are about as similar, in personality tr... | [] | [] | [
[
"http://web.archive.org/web/20120227061723/http://www.psych.umn.edu/courses/spring05/hicksb/psy3135/bouchard_1990.pdf",
"http://press.endocrine.org/doi/abs/10.1210/jc.2001-011531",
"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2583786/"
],
[
"http://pnas.org/content/112/50/15468.abstract",
... | |
6q19if | how much of humanity's creation accounts for earth's mass? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6q19if/eli5_how_much_of_humanitys_creation_accounts_for/ | {
"a_id": [
"dkts8hy",
"dkttg2y",
"dktz89s"
],
"score": [
3,
5,
8
],
"text": [
"Pretty much none of it. One way of looking at it is to consider a globe with accurate raised mountains. But in fact, if such a globe were the size of a china teacup, it would be smoother than the cup. S... | [] | [] | [
[],
[],
[]
] | ||
4kds8x | Where did the idea of signing one's name for approval of a contract (even for minor things like delivery of goods) come about? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4kds8x/where_did_the_idea_of_signing_ones_name_for/ | {
"a_id": [
"d3e4la9"
],
"score": [
3
],
"text": [
"Adding on, were there any methods of verification that a signature was from who it said it was?"
]
} | [] | [] | [
[]
] | ||
3yuf3u | why do police body cams have such bad quality when camera's like gopro's are so cheap? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3yuf3u/eli5_why_do_police_body_cams_have_such_bad/ | {
"a_id": [
"cygp2mi",
"cygprdz",
"cygwlup",
"cyh12p1",
"cyhbcuz"
],
"score": [
116,
14,
5,
6,
2
],
"text": [
"it's about how long you plan on recording. \n\nhow many gigabytes would you need to record on your gopro for 8-12 hours? i bet that's a lot more than the... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
6d9wx1 | How did Nikita Khrushchev survive Stalin? | I watched Bob Hoskins play him in the film enemy at the gates, I'm not sure how accurate a portrayal it was, but I'm still curious as to how he managed to keep his head down at a time when Stalin was executing so many senior officials | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6d9wx1/how_did_nikita_khrushchev_survive_stalin/ | {
"a_id": [
"di0zgs2"
],
"score": [
15
],
"text": [
"From [an earlier answer of mine](_URL_0_)\n\nThe size and scale of the Great Purges sometimes obscures some of the subtleties of the Soviet system and the nature of political power under Stalin. While the Purges appeared to outsiders- both at th... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/63kgv1/why_were_nikita_khrushchev_and_vyacheslav_molotov/"
]
] | |
3w7o3r | Has any major political candidate before ever advocated the prohibition of people of a certain religion entering the United States? | Tonight on *The Rachel Maddow Show*, Rachel claimed that Donald Trump's proposal was the first time any major party Presidential candidate has proposed banning entry to the USA on the basis of religion. Is this true? I would think that the idea had been floated before, perhaps about Jews or Catholics.
EDIT: Later in t... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3w7o3r/has_any_major_political_candidate_before_ever/ | {
"a_id": [
"cxu2gdm"
],
"score": [
12
],
"text": [
"I've been thinking about this a lot for the last couple days since I heard about some of the things Trump said. I've wanted to respond since seeing your question but I've refrained because I think it will be hard for me to answer without getting... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Molly_Maguires"
]
] | |
2wlvau | Do viruses evolve? | I know that there really is no consensus as to whether or not viruses should be considered living things, but they do have a way of replicating. This leads to me wondering whether they are capable of evolution. | askscience | http://www.reddit.com/r/askscience/comments/2wlvau/do_viruses_evolve/ | {
"a_id": [
"cote0f9",
"cotkjnu"
],
"score": [
4,
4
],
"text": [
"Yes viruses do evolve. Evolution is the result of random modifications of the DNA sequence. These errors occur due to several factors, e.g. while the DNA is replicated to create a copy of the original virus. \n\nTheses error... | [] | [] | [
[],
[]
] | |
5t1lf7 | why do poorer people tend to have more children? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5t1lf7/eli5_why_do_poorer_people_tend_to_have_more/ | {
"a_id": [
"ddjgtxn",
"ddjhalq",
"ddjhd6g",
"ddjhgdw",
"ddjjju2",
"ddjjqwz",
"ddjl5t7",
"ddjm13w",
"ddjmhse",
"ddjvpdr",
"ddjxu4a",
"ddjz7n7",
"ddk09to",
"ddk1rzm",
"ddk2qzg",
"ddk2vkq",
"ddk3qdc",
"ddk57at",
"ddk5wl4",
"ddkdvxy",
"d... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | |
hxxd2 | From how far away is evidence of humanity optically visible? | From near Earth orbit and our general area, we can see the lights of civilization at night. From how far away can we still distinguish humanity?
From Earth, Mars looks like a bright star. I presume we look the same from Mars. Have we changed Earth's albedo? Are we a brighter star than we were a thousand years ago? | askscience | http://www.reddit.com/r/askscience/comments/hxxd2/from_how_far_away_is_evidence_of_humanity/ | {
"a_id": [
"c1zbga9",
"c1zboc3",
"c1zc4wp",
"c1zcomh",
"c1zdoy0"
],
"score": [
22,
11,
2,
3,
3
],
"text": [
"With the naked eye, or with an optical telescope of sufficient size?",
"I'm not a climatologist, but I'd wager we've only slightly increased Earth's alb... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Apache_Point_Observatory_Lunar_Laser-ranging_Operation",
"http://en.wikipedia.org/wiki/Coronagraph"
],
[
"http://nssdc.gsfc.nasa.gov/image/planetary/earth/apollo08_earthrise.jpg"
],
[],
[]
] | |
pmcbs | What would happen if something were to heal into a cut or scrape? | I have a scrape on my ankle on which the entire top layer of skin came off, so I covered it in antibiotic ointment, placed a piece of gauze over it, and wrapped some fabric tape around it. This was yesterday morning. This morning, as I tried to remove the bandage and gauze, some of the gauze had healed into the scrape.... | askscience | http://www.reddit.com/r/askscience/comments/pmcbs/what_would_happen_if_something_were_to_heal_into/ | {
"a_id": [
"c3qjdyl",
"c3qjtbo"
],
"score": [
2,
2
],
"text": [
"it won't necessarily cause an infection. bullets are sterilized by heat so won't cause infections, a few historical figures would have lived longer if doctors hadn't been so set on removing the bullet. Your case is less cl... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Foreign_body"
]
] | |
6d034l | what someone can do with your ssn | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6d034l/eli5_what_someone_can_do_with_your_ssn/ | {
"a_id": [
"dhyr9bo"
],
"score": [
4
],
"text": [
"A person can do several things if they gain access to your personally identifiable information. The \nSocial Security Sumber (or Social Insurance Number in Canada) is connected with several aspects of a citizen’s life. If a hacker has access to i... | [] | [] | [
[]
] | ||
3tn7h4 | how is our brain able to accurately pinpoint the area of our body that is feeling pain or being touched? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3tn7h4/eli5_how_is_our_brain_able_to_accurately_pinpoint/ | {
"a_id": [
"cx7m5dc"
],
"score": [
3
],
"text": [
"You have sensory receptors all over your body and they are there to detect input and communicate that with the brain. When you are touched, that is input, and the receptors generate a message that travels to the spinal cord and then up to the bra... | [] | [] | [
[]
] | ||
246vkw | If I were to send a tree to mars with sufficient nutritients and water(everything it would need to grow on earth), would it be able to grow and produce oxygen? | askscience | http://www.reddit.com/r/askscience/comments/246vkw/if_i_were_to_send_a_tree_to_mars_with_sufficient/ | {
"a_id": [
"ch46p23",
"ch47pss",
"ch47yke",
"ch49d7c",
"ch49try",
"ch4a9dk",
"ch4bjv6",
"ch4c3gz",
"ch4ffxj",
"ch4fje2",
"ch4hcru",
"ch4je1s",
"ch4jzgi",
"ch4oeqp",
"ch4olnh",
"ch4rkrg",
"ch4thnk",
"ch4y26t",
"ch51e24"
],
"score": [
... | [] | [] | [
[
"http://science.nasa.gov/science-news/science-at-nasa/2004/25feb_greenhouses/"
],
[
"http://adsabs.harvard.edu/abs/2006IJAsB...5..171S"
],
[],
[],
[
"http://www.ces.uoguelph.ca/index.shtml",
"http://www.nss.org/adastra/volume13/v13n5/contents/v13n5f1.pdf"
],
[],
[],
[
"http... | ||
2mk7fg | why did columbus think he had found india, and not china or japan? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2mk7fg/eli5why_did_columbus_think_he_had_found_india_and/ | {
"a_id": [
"cm4zml5",
"cm50c46"
],
"score": [
10,
5
],
"text": [
"He knew where he was at relative to the equator. Both India and the West Indies occupy territory around 21ºN. China and Japan are further north than that.",
"The indies were a general term for the East at the time. This... | [] | [] | [
[],
[]
] | ||
w2ec2 | How is dark matter different than "the ether" | I understand the basics of what dark matter is, but I was wondering what evidence there is to truly prove it exists and what makes it different from the old theory of 'the ether' | askscience | http://www.reddit.com/r/askscience/comments/w2ec2/how_is_dark_matter_different_than_the_ether/ | {
"a_id": [
"c59mo8c",
"c59momy",
"c59orgh"
],
"score": [
4,
2,
2
],
"text": [
"This has been asked over and over again. Try searching. [This thread](_URL_0_) is particularly relevant.\n\nEssentially, both are theories formulated to explain phenomena. In the case of ether, the pred... | [] | [] | [
[
"http://www.reddit.com/r/askscience/comments/mn8ru/given_that_the_ether_was_so_discredited_what/",
"http://en.wikipedia.org/wiki/Bullet_cluster"
],
[
"http://www.reddit.com/r/askscience/comments/mn8ru/given_that_the_ether_was_so_discredited_what/",
"http://www.reddit.com/r/askscience/search?q=... | |
6i0kd4 | why do some peoples have reddish, yellowish etc. tints to their skins? | I understand that peoples who moved to less sunny areas developed paler skin because they could not get the necessary vitamins from the sun. I am not wondering why some people are paler, but instead why some people are more reddish/ yellowish etc.
Edit: I mean more why are certain ethnicities and races tinted differe... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6i0kd4/eli5_why_do_some_peoples_have_reddish_yellowish/ | {
"a_id": [
"dj2jt5f",
"dj2kxfb"
],
"score": [
2,
3
],
"text": [
"I tend to get yellowish skin from time to time and it's due to Gilbert's syndrome, which is basically elevated level of bilirubin in bloodstream.",
"Yellow skin is caused by [Jaundice](_URL_0_) \n\nRed skin can be caused... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Jaundice"
]
] |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.