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 |
|---|---|---|---|---|---|---|---|---|---|
47p5sw | Was Britain's abolition of the slave trade a selfless act of virtue or were there any ulterior motives behind the decision? | Did Britain abolish the slave trade because they finally realized slavery was terrible? Or was there some kind of economic reason to maybe hurt other countries or something of the like?
I am interested to find out to what degree was this a truly virtuous act. On the one hand, surely the slave trade was very profitable... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/47p5sw/was_britains_abolition_of_the_slave_trade_a/ | {
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"Judging whether a action in the past, and one that involved millions of people no less, is virtuous or not is probably not the best way to see it. Ideas of virtue change, people have various and variable motivations for th... | [] | [] | [
[],
[]
] | |
3f00ut | if an engine has 200 hp and 350 lb/ft torque and another has 300 hp and 250 lb/ft torque, which engine is more powerful and why? | What is happening if torque increases and horsepower decreases or vice versa. Can torque compensate for hp or hp compensate for torque if either one is lacking. Why is horsepower what people seem to talk about if torque also matters when judging an engine? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3f00ut/eli5_if_an_engine_has_200_hp_and_350_lbft_torque/ | {
"a_id": [
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"ELI5-style:\n\nTorque is the ability to pick up a 500-lb weight.\n\nHorsepower is the ability to pick up 5 100-lb weights in the same amount of time.\n\nWay over-simplified, but that's the idea. Race Cars tend to be high-ho... | [] | [] | [
[],
[]
] | |
57tm69 | how do prices on certain items stay the same despite inflation? | Every day I see certain small things like Little Debbie candy bars, lighters, some tools, what have you, whose prices have stayed the same for years. How do they not lose money as they pay more for the materials while selling them for the same price month after month? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/57tm69/eli5_how_do_prices_on_certain_items_stay_the_same/ | {
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"those prices are so small that increasing them with small increments would be useless. I will explain with something from my country (Turkey). In here, the smallest capacity bottled water has being sold... | [] | [] | [
[],
[],
[]
] | |
at5l36 | there are so many way to die that have a really low probability, eg. by lighting - do these probabilities add up to make one of them happening to you likely? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/at5l36/eli5_there_are_so_many_way_to_die_that_have_a/ | {
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"text": [
"There is a 100% probability that you will in fact die to some cause that is in itself improbable when compared to all possible causes.",
"Unlikely you'd even find projections of all the low probabil... | [] | [] | [
[],
[],
[]
] | ||
3lqyrm | Is gravity theoretically faster than the speed of light? | First time post here!
I was having an interesting discussion with an old science teacher about black holes and how the velocity of the event horizon is so fast nothing, not even light can escape. Doesn't this mean gravity is one of the only things "faster" than the speed of light? | askscience | https://www.reddit.com/r/askscience/comments/3lqyrm/is_gravity_theoretically_faster_than_the_speed_of/ | {
"a_id": [
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"text": [
"The speed of gravity -- say, as measured by the speed of gravitational waves -- is the same as the speed of light. The best paper on this is one by [Carlip](_URL_0_).",
" > how the velocity of the event horizon is s... | [] | [] | [
[
"http://arxiv.org/abs/gr-qc/9909087"
],
[]
] | |
18ebq5 | Did Darwin discount evolution towards the end of his life? | My psych teacher keeps saying this in class, I don't think he's right but I would like to make sure. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/18ebq5/did_darwin_discount_evolution_towards_the_end_of/ | {
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"text": [
"[\"Shortly after his death, Lady Hope addressed a gathering of young men and women at the educational establishment founded by the evangelist Dwight Lyman Moody at Northfield, Massachusetts. She had, she maintained, visited Darwin on his deathbe... | [] | [] | [
[
"http://www.talkorigins.org/faqs/hope.html"
]
] | |
218lgt | the difference between cisgender, transgender, and intersex | I have to present a speech in about an hour, and I am doing it on the difference between sex and gender. My presentation, after reviewing it for the millionth time, is kind of wordy and my classmates don't seem to be the brightest bunch. I was wondering if anyone could come up with a better explanation of the differenc... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/218lgt/eli5_the_difference_between_cisgender_transgender/ | {
"a_id": [
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"text": [
"Cisgender is when the stuff down there matches what's going on in your head. Transgender is when the stuff down there is the opposite of what you think you should be. Intersex is when you're kinda neither",
"Cisgender i... | [] | [] | [
[],
[]
] | |
1cbyo3 | how did people add titlecards to silent movies? | See title.
I was playing Bioshock Infinite today (no spoilers in this post) and I see alot of Kinetoscopes with silent movies.
So I was wondering: how did people edit those titlecards in back in the day? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1cbyo3/how_did_people_add_titlecards_to_silent_movies/ | {
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"text": [
"Oops! Forgot to add \"ELI5\" in the title, sorry :(",
"They splice it into the reel. Basically that's how editing was done back then. \n\nYou would have someone look each frame. The editor would then cut the reel in betw... | [] | [] | [
[],
[]
] | |
71tist | If you were put in the very front line of a battlefield (swords, spears and shields) would that be an automatic death sentence? | Any chance of survival? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/71tist/if_you_were_put_in_the_very_front_line_of_a/ | {
"a_id": [
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"text": [
"Not a death sentence, and often a coveted honour. Our notion of the lethality of these engagements is mostly derived from movies sensationalising what happens in pitched battle. I wrote about this in more detail [here](_URL_0_)."
]
} | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/48pumt/did_the_people_in_the_front_lines_of_ancient/"
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] | |
3q1mph | How did Romans think of death? Was it something to be avoided, something inevitable, or something else entirely? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3q1mph/how_did_romans_think_of_death_was_it_something_to/ | {
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"All depends on who you are and what mode of philosophy you follow, really! But that would be a cruel answer, so let's go ahead and look into some of it. I've been reading quite a bit of Seneca lately, and he offers some wonderful opinions on the... | [] | [] | [
[
"http://www.stoics.com/seneca_epistles_book_1.html#‘XXI1",
"http://www.stoics.com/seneca_epistles_book_1.html#‘XXIV1"
]
] | ||
1ekhdn | what is this 'dark flow' at the edge of our universe? | How was it observed and what is it exactly? Is our universe being sucked out into another vacuum? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ekhdn/eli5_what_is_this_dark_flow_at_the_edge_of_our/ | {
"a_id": [
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"score": [
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"text": [
"I seem to recall reading a recent article that suggests Dark Flow was just a mistake in the data. I will look for said article.\n\n_URL_0_\n\nPoints out errors in article that postulated the concept of Dark Flow\n\nNatGeo h... | [] | [] | [
[
"http://www.astro.ucla.edu/~wright/dark-flow-errors.html",
"http://news.nationalgeographic.com/news/2012/01/120120-dark-flow-universe-multiverse-supernovas-space-science/"
],
[]
] | |
4c9man | How accurate is Durant's "Story of Civilization?" | I'm trying to figure out how accurate it is but the only thread from this subreddit that discusses it is 4 years old and I believe I remember a warning from (I believe) a moderator against any answers from before 2013 or so. Can anyone help? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4c9man/how_accurate_is_durants_story_of_civilization/ | {
"a_id": [
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"text": [
"It's difficult to comment on the accuracy of a work that runs to 10,000+ pages. I've only read (part of) *The Age of Faith*. It's very out of date. He's not a specialist in what he's writing about. He really likes pithy lines of analysis that see... | [] | [] | [
[]
] | |
ddmzil | how can a doctor refuse to treat a patient while respecting his hippocratic oath ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ddmzil/eli5_how_can_a_doctor_refuse_to_treat_a_patient/ | {
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"text": [
"The oath is more of a symbol than anything else. It is in no way a binding contract with whoever. In addition to any legitimate reason a doctor would not treat a patient, don't forget they are humans, and maybe not nice huma... | [] | [] | [
[],
[]
] | ||
10b4d0 | Why is it that when lightning hits a lake the whole lake isn't affected? | Or is it? I'm not sure. If it is though then I'd think we'd hear a lot more of deaths of people swimming during a storm. | askscience | http://www.reddit.com/r/askscience/comments/10b4d0/why_is_it_that_when_lightning_hits_a_lake_the/ | {
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"text": [
"This gets asked every so often, but the best short answer is that water is a good conductor, but not a great one. If water was a great conductor, we wouldn't need power lines. We could run the electricity through the water p... | [] | [] | [
[],
[]
] | |
4s76ep | In "Kagemusha," the European-backed Japanese lord wears plate armor to battle. Did some Japanese warriors wear plate armor in real life? If so, was it more effective than Japanese armor? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4s76ep/in_kagemusha_the_europeanbacked_japanese_lord/ | {
"a_id": [
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"text": [
"The plate armour was combined with traditional (read: pre-Western contact) Japanese armour styles to better protect the wearer from musket balls and other various related firings. I talk about armour development in Japan [here](_URL_1_), with thi... | [] | [] | [
[
"http://old.vcm.asemus.museum/uploads/images/VO_5258_11.JPG",
"https://www.reddit.com/r/AskHistorians/comments/3asgc6/during_the_middle_ages_how_did_the_armor_of/csfqs0e?st=iqhbkv66&sh=591c47ae"
]
] | ||
2els4o | how does a deep space probe like rosetta maintain contact and transmit data back to earth? | Radio waves? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2els4o/eli5_how_does_a_deep_space_probe_like_rosetta/ | {
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"Yep. It's may be difficult to realize, but radio waves have identical properties to visible light. This is because they are both forms of electromagnetic radiation. Radio waves travel at the speed of light and do not deterio... | [] | [] | [
[],
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"http://deepspace.jpl.nasa.gov/"
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dwqm5v | How did a landed noble get their money from far away estates? | How did a landed noble with far flung estates move their money around.
So if I have land in lets say Brittany and normandy, or Northern Italy. In whatever time period you specialize in but we can also say 800 during Carolingian Empire or 200 AD roman empire.
How do I get my tax revenue from Britanny if I’m hundreds of... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/dwqm5v/how_did_a_landed_noble_get_their_money_from_far/ | {
"a_id": [
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"score": [
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],
"text": [
"So what I think you're getting at is that it seems in the fragmented political and judicial landscape of post-Roman Europe, it would be very difficult to safely move revenues collected from one place to another.\n\nAnd you know what? You're absol... | [] | [] | [
[]
] | |
9g07y5 | why is jeremy corbyn regarded as anti-semitic? | Thanks in advance.
Bonus questions:
* where can I find actual evidence of anti-semitism in the labour party?
* why hasn't conservative governments been held to the same standard with Islamophobia?
* is this purely conservative tabloid manipulation tactics?
* is the Jewish community that strongly opposed to Corbyn be... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9g07y5/eli5_why_is_jeremy_corbyn_regarded_as_antisemitic/ | {
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"text": [
"Feel free to correct me if I'm wrong, but under the new parliamentary rules simple criticisms of the Israeli state. For example \"Israel should open dialogue ... | [] | [] | [
[],
[],
[],
[
"https://www.timesofisrael.com/former-uk-chief-rabbi-lord-sacks-jeremy-corbyn-is-a-dangerous-anti-semite/"
],
[
"https://en.wikipedia.org/wiki/Haavara_Agreement",
"https://www.bbc.co.uk/news/uk-politics-45196409"
]
] | |
1cbzth | war reenactments | What are these actually like? Is it full on roleplaying where people get a character and go with it? Do you know beforehand how and when you're supposed to die? Does it go the same every time the same people reenact it?
Thanks | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1cbzth/eli5_war_reenactments/ | {
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" War reenactment (specifically American Civil War reenactment) began when veterans of the actual war wanted to remember their fallen comrades and teach what the war was all about. Since then, it has become a popular hobby a... | [] | [] | [
[],
[]
] | |
ci2469 | Do space stations lose air from using air locks? | If an astronaut needs to repair something outside, doesn't the air in the air lock room come out with them? Wouldn't that limit the amount of times it can be used? | askscience | https://www.reddit.com/r/askscience/comments/ci2469/do_space_stations_lose_air_from_using_air_locks/ | {
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"[_URL_1_](_URL_3_)\n\n[_URL_4_](_URL_4_)\n\n[_URL_0_](_URL_2... | [] | [] | [
[
"https://www.nasa.gov/centers/johnson/pdf/123834main\\_iss\\_eva\\_sys\\_checklist.pdf",
"https://en.wikipedia.org/wiki/Quest\\_Joint\\_Airlock",
"https://www.nasa.gov/centers/johnson/pdf/123834main_iss_eva_sys_checklist.pdf",
"https://en.wikipedia.org/wiki/Quest_Joint_Airlock",
"https://space... | |
602rlb | why do some stores require you to be a member of their store to get sale prices? are they just selling everyone's information despite promising they don't? | For example I work at a Walgreens and in order to get most sale prices you need a balance rewards account which requires your name, birth date, phone number and zip code. Sounds like information a marketing company would buy to know what ads to give someone, but maybe my tin foil hat needs adjusting. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/602rlb/eli5_why_do_some_stores_require_you_to_be_a/ | {
"a_id": [
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"text": [
"Rewards accounts = customer loyalty, just kind frequent flyer miles. Zip and such are for big data. Walgreens benefits, but it's not like they're selling your number to some insurance salesman. ",
"... | [] | [] | [
[],
[],
[]
] | |
2vrxsp | why does nearly every forum/social website use emoticons, but it seems like an unspoken taboo to use them on reddit? :( | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2vrxsp/eli5_why_does_nearly_every_forumsocial_website/ | {
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"Emoticons in moderation are usually fine on reddit. The problem with them is that they are strongly associated with immaturity; kids ju... | [] | [] | [
[],
[],
[],
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"http://time.com/3694763/match-com-dating-survey-emoji-sex/"
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45ruxm | Is there something connecting the growing isolationist policies of 16-17 century East Asian countries or is it a mere coincidence? | Joseon Korea was known as the hermit kingdom, Japan and China had the Sakoku and Haijin respectively. What happened to make these countries enact more and more isolationist policies at relatively the same time? Or are they isolated incidences that just happened to happen at the same time? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/45ruxm/is_there_something_connecting_the_growing/ | {
"a_id": [
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"WRT Korea this idea of the \"hermit kingdom\" is because of a Eurocentric worldview.\n\nKorea into the 19th century had a flourishing relationship, both diplomatic and commercial, with both Beijing and Edo. After the Jurchens and the Chinese merg... | [] | [] | [
[]
] | |
44wtcm | how much difference did all the allotments and garden vegetable patches, actually make to the food shortages in Britain during the war? | people who were children during the war (IE three of my four grandparents) tend to be really nostalgic about this, I want to know if it actually made much difference or was basically just a way of getting normal people to feel more helpful then they really were? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/44wtcm/how_much_difference_did_all_the_allotments_and/ | {
"a_id": [
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"text": [
"I've had a sniff around and there isn't very much information on this, for reasons I'll suggest at the end, but: \n\nThe Telegraph [reports the Royal Horticultural Society](_URL_0_) (I can't find the original source) sayin... | [] | [] | [
[
"http://www.telegraph.co.uk/news/earth/environment/9996180/How-Dig-for-Victory-campaign-helped-win-the-War.html"
],
[
"https://www.reddit.com/r/AskHistorians/comments/3dqkio/did_dig_for_victory_and_allotment_gardens_and/ct7wg4c"
]
] | |
38cgfp | how do spiders get a string of web to go from one tree (for example) to another? do they shoot it? do they jump? i just don't understand! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/38cgfp/eli5_how_do_spiders_get_a_string_of_web_to_go/ | {
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"text": [
"Great original question. I always thought they jump and let the breeze carry them to the best spot but I would love to hear the correct answer.",
"Note, I don't know the exact species of spiders th... | [] | [] | [
[],
[],
[]
] | ||
9c1xs5 | what is mindfulness? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9c1xs5/eli5_what_is_mindfulness/ | {
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"It's a form of self-help therapy, which basically is the act of thinking about how you're feeling, keeping you... | [] | [] | [
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2y1rc4 | Why can't we slow down New Horizons enough to go into orbit around Pluto? | Edit: Thanks for your responses, guys. Not sure why I'm getting downvoted for this. | askscience | http://www.reddit.com/r/askscience/comments/2y1rc4/why_cant_we_slow_down_new_horizons_enough_to_go/ | {
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"text": [
"Changing speed or direction in space requires thrust. Thrust requires fuel. Fuel is heavy. Since we use rockets to put things into space, they have to be as light as possible.\n\nNew Horizons is moving very, very fast and Pluto doesn't have all t... | [] | [] | [
[]
] | |
88dfdx | Did the Chinese ever make use of catapults (or any pre-gunpowder artillery)? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/88dfdx/did_the_chinese_ever_make_use_of_catapults_or_any/ | {
"a_id": [
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"text": [
"More can always be said about the topic, and linking old answers is not meant to discourage anyone from writing new replies. But while waiting for those to be written, the OP might be interested in reading [this thread](_URL_0_) with an interesti... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/2nwnp3/historians_could_you_explain_how_the_chinese/"
]
] | ||
1f4pi0 | Do animals live significantly longer lives in captivity? | Being free of the fear of predators, supplied with regular food, clean water and medical care, do animals in captivity live far longer lives than their wild counterparts? If not, why? | askscience | http://www.reddit.com/r/askscience/comments/1f4pi0/do_animals_live_significantly_longer_lives_in/ | {
"a_id": [
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"text": [
"Sometimes yes, sometimes no. I am going to speak not for household domestics (dogs, cats) but for other non-domesticated captive animals. \n\nFor animals that require a lot of specialized care or ones that do not do well in captivity then their l... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Killer_whale#Captivity",
"http://en.wikipedia.org/wiki/Indri"
]
] | |
38fahj | Was Soviet engineering always so shoddy? Why was such shoddy quality allowed? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/38fahj/was_soviet_engineering_always_so_shoddy_why_was/ | {
"a_id": [
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"text": [
"The engineering is generally less at fault that the construction/implementation. A big problem for the Soviet Union was in the quality of materials they used. In particular during the pre-WWII period the absurdly high quotas and emphasis on St... | [] | [] | [
[
"https://books.google.com/books/about/Magnetic_Mountain.html?id=em3_-M7H0UgC&hl=en"
]
] | ||
653005 | why do we have our nose and mouth canals joined together initially and then later separate into the wind pipe and oesophagus? if they were both separate right from the start, we wouldn't have to deal with problems like choking. is there any advantage to this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/653005/eli5_why_do_we_have_our_nose_and_mouth_canals/ | {
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"text": [
"because that's the way the general land based mammal's systems work. evolution means whatever mechanism survives gets passed on. not that you can't make a better system. the marine mammal's respiratory system doesn't mix the two. dolphins... | [] | [] | [
[]
] | ||
1f8t3g | how protein is made inside a cell? | I've been having trouble figuring this out since most parts have overlapping function. Thank you in advance for even bothering to read this thread. :) | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1f8t3g/eli5_how_protein_is_made_inside_a_cell/ | {
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"It all starts with DNA in the nucleus. The cell makes a copy of a specific section of DNA that codes for the specific protein being made. The copy of the DNA is called RNA. The RNA gets modified into mRNA and leaves the nucl... | [] | [] | [
[],
[]
] | |
kh32m | If the United States were to power itself purely on fission plants, how long would it be before we ran out of fuel? Also, what are the top considered ways to get rid of the waste? | Another question: how much energy, using current technology, can be extracted from 1 kg of each type of fuel we currently know how to use?
Any other interesting facts you happen to know would be great, of course. | askscience | http://www.reddit.com/r/askscience/comments/kh32m/if_the_united_states_were_to_power_itself_purely/ | {
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5,
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67,
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16... | [] | [] | [
[
"http://uk.answers.yahoo.com/question/index?qid=20081223102631AAnS89a"
],
[],
[],
[
"http://www.frc.gatech.edu/Transmutation-Reactors/FST-52-719-2007.pdf",
"http://www.frc.gatech.edu/Transmutation-Reactors.html"
],
[
"http://en.wikipedia.org/wiki/Aneutronic_fusion#Residual_radiation_fr... | |
46p3fb | Which touch receptor encodes for the sensation of "wetness"? | Is it purely temperature receptors? Or are mechanoreceptors/chemoreceptors involved as well? | askscience | https://www.reddit.com/r/askscience/comments/46p3fb/which_touch_receptor_encodes_for_the_sensation_of/ | {
"a_id": [
"d07t1wd"
],
"score": [
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"text": [
"Feeling wetness is a combination of the work of mechanoreceptors, cutaneous receptors, and thermoreceptors. Thermoreceptors feel temperature, cutaneous receptors feel texture, and mechanoreceptors feel pressure.\n\nAnything that feels cold and sm... | [] | [] | [
[
"https://www.sciencedaily.com/releases/2014/10/141001133416.htm"
]
] | |
3lg49z | How were 4-Fs and other unenlistable draftees treated on the US homefront during WWII? | I have seen mention at various points of the significant societal pressures on young men of draftable age to sign up and serve in various conflicts, and I chose WWII because that is the conflict where, from what I've seen, there was the most societal consensus that it was the right/good/patriotic thing to do. I've also... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3lg49z/how_were_4fs_and_other_unenlistable_draftees/ | {
"a_id": [
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"score": [
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"text": [
" > What on earth do they mean by \"moral\" tests? Is this simply a criminal background check, or was it also used for subjective elimination of people the recruiter decided were undesirable?\n\nThat sounds vague enough to ... | [] | [] | [
[],
[]
] | |
1fbe9p | the normandy beach landing | I'm no expert on military logistics so this is probably a stupid question, but here goes:
I don't mean to undermine the brutality of war, but nowadays we mostly hear about combat involving artillery strikes, long-distance sniping and IEDs, yet those tactics were still alive and well during WWII. I have the utmost resp... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1fbe9p/eli5the_normandy_beach_landing/ | {
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2,
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"They did it as safely as they could. The problem was, the Nazi war machine could exploit the road network to move mechanized units quickly. In order to su... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Dunkirk_evacuation",
"https://en.wikipedia.org/wiki/Red_Ball_Express"
],
[],
[],
[]
] | |
ef0fz8 | Most of Western Europe abandoned tribalism/clanship except Scotland, why was this the case? | Was it the geography of Scotland which prevented urban settlement, hence the triumph of clans?
Why was Scotland different to England in this regard?
Was tribalism still prevalent in other European countries during the middle ages? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/ef0fz8/most_of_western_europe_abandoned/ | {
"a_id": [
"fcvywvc"
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"score": [
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"text": [
"There is quite a lot to unpack here in your question, but I am going to try to unpack it a bit and hopefully provide you an answer to satisfy your curiosity. \n\nFor starters, there really isn't a march of civilization in play, and I'm reading a... | [] | [] | [
[]
] | |
6ungtz | How did Islam come to be an abrahamic religion? It makes sense to me that Christianity is, because Jesus was Jewish, as were his earliest followers. But the prophet Mohammed was not Jewish, nor were his early followers. So where did the idea originate that Muslims are descendants of Ishmael? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6ungtz/how_did_islam_come_to_be_an_abrahamic_religion_it/ | {
"a_id": [
"dlu1vzf"
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"score": [
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],
"text": [
"I'm slightly confused by the difference between your first and second question. I think you could make a very strong and very plausible argument that Islam would be an Abrahamic faith on the basis of its tenets regardless of the connection with ... | [] | [] | [
[]
] | ||
j654k | why does my computer get hot, especially when playing games? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/j654k/eli5_why_does_my_computer_get_hot_especially_when/ | {
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"text": [
"It's trying to do a lot of things very fast. To do these things it uses electricity. Billions of times a second there are slightly wasteful actions that release a little tiny bit o... | [] | [] | [
[],
[],
[],
[]
] | ||
1myzyt | How does mimicry in plants work, how can a plant "tell" what an insect looks and feels like? | Are those plants somehow able to recognize colors? Do they have some kind of sense analogous to sight? | askscience | http://www.reddit.com/r/askscience/comments/1myzyt/how_does_mimicry_in_plants_work_how_can_a_plant/ | {
"a_id": [
"ccdwuut"
],
"score": [
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"text": [
"The plants can't tell. The insects, however, can tell what the plants look like. So if a plant looks like a female bee, or whatever this is just a hypothetical example, then a male bee is more likely to try to mate with it and pick up pollen.\n\... | [] | [] | [
[]
] | |
71zufu | please break down mlm and direct selling? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/71zufu/eli5_please_break_down_mlm_and_direct_selling/ | {
"a_id": [
"dneow01"
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"score": [
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"text": [
"Break down: It's a scam!\n\nJust a Ponzi scheme like marketing strategy where people are compensated for recruiting others to market some bullshit product or idea. You get compensated for every sale someone you recruited makes, you also get compe... | [] | [] | [
[]
] | ||
35nkdp | why do webpages "bounce" back up to the top when loading the last few images when i have already scrolled down? | I will connect to a webpage that has loaded text but is still trying to load some pages or video. I have scrolled down to read something, and when the images or video finally loads, I am shot right back up to the top of the page. What is happening here? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/35nkdp/eli5why_do_webpages_bounce_back_up_to_the_top/ | {
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"text": [
"Please please answer this somebody. Especially if you can explain why it happens a lot on mobile websites.",
"In JavaScript you can set the \"focus\" to... | [] | [] | [
[],
[],
[],
[],
[]
] | |
1nl8jv | why do my front teeth hurt when i run. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1nl8jv/eli5why_do_my_front_teeth_hurt_when_i_run/ | {
"a_id": [
"ccjljnc",
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"score": [
4,
2
],
"text": [
"Keep your mouth closed, Alaskan.",
"Mine do the same thing! I would like an answer/explanation to this too."
]
} | [] | [] | [
[],
[]
] | ||
6p8pvs | How is it that different breeds of Canis lupus familiaris (domesticated dog) can develop to be so different in specific individual populations around the world, yet not be subject to speciation? | Distinct breeds exist that vary in size, shape, and other physical qualities greatly, and have evolved that way in specific populations across the globe. Does the way humans selectively bred the species have something to do with it? | askscience | https://www.reddit.com/r/askscience/comments/6p8pvs/how_is_it_that_different_breeds_of_canis_lupus/ | {
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"text": [
"We used selective breeding to create a wider variety of superficial traits, but the animals are all still effectively the same: same number of legs, organs, etc. - they're still a... | [] | [] | [
[],
[],
[],
[
"https://en.wikipedia.org/wiki/Russian_Domesticated_Red_Fox"
]
] | |
qer9z | This morning on NPR they were discussing Liquid metal batteries: How do they work? | They were doing the usual "[someday you'll have one in your house](_URL_0_)..." The mentioned that they could be used to store sunlight. Can someone explain their operation in layman's terms?
[Wikipedia Link](_URL_1_) for liquid metal battery | askscience | http://www.reddit.com/r/askscience/comments/qer9z/this_morning_on_npr_they_were_discussing_liquid/ | {
"a_id": [
"c3x1owq"
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"text": [
"There's nothing special about sodium-sulfur batteries except for their high operating temperature and the danger of elemental sodium. It works the same as any other battery - described [here](_URL_0_) and [here] (_URL_1_). They cannot store sunli... | [] | [
"http://www.npr.org/2012/03/02/147787321/the-battery-that-keeps-going-and-going",
"http://en.wikipedia.org/wiki/Sodium%E2%80%93sulfur_battery"
] | [
[
"http://en.wikipedia.org/wiki/Galvanic_Cells",
"http://chemistry.about.com/library/weekly/aa082003a.htm",
"http://en.wikipedia.org/wiki/Grid_energy_storage",
"http://en.wikipedia.org/wiki/Thermal_energy_storage"
]
] | |
61vkh7 | In AD 700 England was divided up into several Anglo-Saxon kingdoms. Did they all speak mutually intelligible languages? | I assume they all spoke versions of English, though nothing we could understand? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/61vkh7/in_ad_700_england_was_divided_up_into_several/ | {
"a_id": [
"dfj7au6"
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"score": [
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"text": [
"Anglo-Saxon dialects definitely existed, and were likely mutually intelligible. Historians can see variation from one text to another, something that has been used perhaps most extensively with Beowulf. Using the language of Beowulf, a compelling... | [] | [] | [
[]
] | |
5pweu1 | there's plenty of cow milk to buy, and some goat milk, but is there's a reason we don't produce and consume milk from other farm animals (like horses, pigs, etc)? what about cheese made from that milk? | I'm guessing maybe it's because these animals don't produce nearly as much milk to make production viable, or because it tastes nasty to us? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5pweu1/eli5_theres_plenty_of_cow_milk_to_buy_and_some/ | {
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"text": [
"You are partially correct, however another huge reason is cows were domesticated before the rest of the livestock, and since people didn't want to change their ways they didn't try... | [] | [] | [
[],
[],
[],
[]
] | |
75ty3x | is it possible to be healthily overweight? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/75ty3x/eli5_is_it_possible_to_be_healthily_overweight/ | {
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"text": [
" > Is it possible to be healthily overweight\n\nthis is a tough question because of how we usually decide whats \"overweight\". If you have a lot of muscle you will technically be overweight, but will... | [] | [] | [
[],
[],
[]
] | ||
2y4tlz | if the nuclear deal that obama proposed is so good for iran, why haven't they taken it? | One of the most dumbfounding parts of Netanyahu's speech. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2y4tlz/eli5_if_the_nuclear_deal_that_obama_proposed_is/ | {
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3,
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"text": [
"Because Iran wants the same capability that the U.S. and Israel have had for a long time. And we're telling them they can't. \n\n",
... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | |
cgay0h | why are sweeteners in soft drinks very common (diet coke/coke zero for example), but not in other sugary foods such as chocolate bars, cakes or candy? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cgay0h/eli5_why_are_sweeteners_in_soft_drinks_very/ | {
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"text": [
"The same \"zero\" calorie sweetener you taste in a diet soda would taste drastically different if raised to a baking temperature prior to being served. Here... | [] | [] | [
[
"https://www.acefitness.org/education-and-resources/lifestyle/blog/6193/baking-with-sugar-substitutes-which-ones-are-good-for-baking"
],
[],
[],
[],
[]
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af36b9 | Stellar nucleosynthesis and transuranic elements (in theory)? | Hi - this is chemistry, physics, cosmology
So this question is purely theoretical. When I ask if something is possible, I mean in the absolute sense, mathematically, in theory, not actually known or observed.
I've heard that under certain conditions, neutron stars (or even denser objects, if there are any) cou... | askscience | https://www.reddit.com/r/askscience/comments/af36b9/stellar_nucleosynthesis_and_transuranic_elements/ | {
"a_id": [
"edv6aly"
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"score": [
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"text": [
"Copying my same comment from your other thread:\n\nWe don't know exactly what paths the r-process takes, or where they end. We have indications that fission is a major limiting factor to how high in mass the r-process can reach, but we don't know... | [] | [] | [
[]
] | |
3hlusw | what's so great about prince? | By all accounts he's a borderline-insane douche bag. Apparently he was good at guitar but I haven't found any examples that really set him apart from anyone else I'm my opinion. Maybe I've been listening to the wrong songs.
What is so awesome about this dude? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3hlusw/eli5_whats_so_great_about_prince/ | {
"a_id": [
"cu8h1zx",
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2
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"text": [
"You generally have to listen to music in the context of the time, i.e. see what else was going on in the charts / mainstream at the same time and therein most often lies the difference - > people bring... | [] | [] | [
[],
[],
[
"https://www.youtube.com/watch?v=6SFNW5F8K9Y"
]
] | |
11c6l3 | How efficient is the human body at absorbing nutrition from food intake? | If we intake a 1000 calorie meal. How many calories will the body absorb and how many calories will the body use to absorb this meal? | askscience | http://www.reddit.com/r/askscience/comments/11c6l3/how_efficient_is_the_human_body_at_absorbing/ | {
"a_id": [
"c6l9cfl"
],
"score": [
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],
"text": [
"The term you're looking for is the *thermic effect of feeding*. Its magnitude depends on the type of food. Out of the three macronutrients, protein has by far the highest metabolic cost.\n\n > This thermic effect seems to be influenced by the co... | [] | [] | [
[
"http://www.jacn.org/content/23/5/373.long"
]
] | |
pq2hd | Clinical trial of homeopathic treatment suggests it works, but it's really just sugar. How? | So I was reading about [oscillococcinum](_URL_0_), a homeopathic treatment for the flu and found that its active ingredient has a dilution of 1:10^400, and even the product's official website states that 1 gram of Oscillo has 1 gram of sugar.
However, I also found [this placebo-controlled, double-blind clinical trial]... | askscience | http://www.reddit.com/r/askscience/comments/pq2hd/clinical_trial_of_homeopathic_treatment_suggests/ | {
"a_id": [
"c3rcad2",
"c3rekia",
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"score": [
3,
5,
2
],
"text": [
"From everything I've heard about the subject of homeopathy, there are far, far, more studies that have resulted in showing the homeopathy has at best only a placebo effect.\n\n_URL_0_\n\nThese guys and ... | [] | [
"http://en.wikipedia.org/wiki/Oscillococcinum",
"http://www.sciencedirect.com/science/article/pii/S1475491699902084",
"http://www.medscape.com/viewarticle/739836"
] | [
[
"http://www.sciencebasedmedicine.org/"
],
[],
[]
] | |
59a638 | how does a person get hacked through open ports? and what to do to prevent it? | I know people use a port scanner , but I'm sure there's more to it. Just curious how it works and how to prevent it. Am I only vulnerable to it if I port forward? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/59a638/eli5how_does_a_person_get_hacked_through_open/ | {
"a_id": [
"d96vtu2"
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"score": [
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"text": [
"An open port on your computer means that something is responding to connections on that port. a program is listening on the port and does things with what you send to it.\n\nIt's not the port that is the actual problem. It's the program. The prog... | [] | [] | [
[]
] | |
1dg4ul | What were the differences between the Northern Renaissance and the Italian Renaissance? | I'm a ~~little~~ **lot** confused about the differences. Just a little thing I've been meaning to ask for a while heh. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1dg4ul/what_were_the_differences_between_the_northern/ | {
"a_id": [
"c9q6gpc"
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"score": [
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"text": [
"It is a confusing topic, both were pretty much the same event in some respects. I would say the most significant difference was that the Italian Renaissance was more driven by the revival of the pagan aspects of Classical Antiquity. The driving f... | [] | [] | [
[]
] | |
s1wb9 | Why exactly is there a pattern at the lower edge of
this photo? | Hello askscience. I know a bit about radiation, how it works, what it does, how dangerous it is, and so on. But someone asked me why there is a pattern at the edge of [this](_URL_0_) photo. The white areas are caused by radiation, but why isn't the whole edge white completely? If this is caused by gamma-radiation, this... | askscience | http://www.reddit.com/r/askscience/comments/s1wb9/why_exactly_is_there_a_pattern_at_the_lower_edge/ | {
"a_id": [
"c4af8fs",
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"score": [
2,
21,
3
],
"text": [
"Assuming the pattern *is* due to radiation and isn't just a photo artifact, it reminds me of some kind of interference pattern, but that doesn't really make sense since I don't think the iris of the ca... | [] | [
"http://i.imgur.com/60fie.jpg"
] | [
[],
[],
[]
] | |
6pgeyg | will technology ever exist in the next 50 years or so that will simulate gravity on spaceships, like in the movies? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6pgeyg/eli5_will_technology_ever_exist_in_the_next_50/ | {
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"text": [
"Perhaps but I doubt it. gravity is the warping of space in the presence of mass. So unless you made the decking o... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | ||
hjsbf | Do deaf people who learn how to talk reciprocate their regional accent? | That is, would a deaf person learning to talk in NYC have an accent that sounded more "New York," outside of word use, than one who learned in say, Bristol or Austin?
As well for other languages; do deaf people from France have "French" sounding tones? Is there an inherent intonation to the method of speech? | askscience | http://www.reddit.com/r/askscience/comments/hjsbf/do_deaf_people_who_learn_how_to_talk_reciprocate/ | {
"a_id": [
"c1vxysr",
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"score": [
2,
4
],
"text": [
"Well, some deaf people who learn how to speak have a some residual hearing, which is part of how they learn to speak. In that case, yes, I'd expect them to have accents.\n\nOther deaf people learn to speak by watching tongue... | [] | [] | [
[],
[]
] | |
ascm4v | why do you have no service/internet access when you are in the middle of a phone call on your cell phone? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ascm4v/eli5_why_do_you_have_no_serviceinternet_access/ | {
"a_id": [
"egt9xsa"
],
"score": [
3
],
"text": [
"That doesn't happen to me, you might need to talk to your service provider, or have your phone checked out. "
]
} | [] | [] | [
[]
] | ||
18ie63 | Is a discrete fourier transform equivalent to calculating the fourier series? | I'm doing programming involving fourier series. Can I save time and use a discrete fourier transform instead of implementing my own methods to calculate the fourier coefficents?
The [wiki](_URL_0_) makes me think it might be but there is nothing explicit clarifying my question. | askscience | http://www.reddit.com/r/askscience/comments/18ie63/is_a_discrete_fourier_transform_equivalent_to/ | {
"a_id": [
"c8f2ecb",
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"score": [
4,
3
],
"text": [
"Not really, no. Is it close enough? Yes. Is it pretty much the only option in digital signal processing? Yes.\n\nWith anything discrete you will use summations instead of integrals and difference equations instead of differe... | [] | [
"http://en.wikipedia.org/wiki/Discrete_Fourier_transform"
] | [
[],
[]
] | |
5yjnhg | we can generally bleed from anywhere on our body. why then does it take 30 minutes and 3 staff members for me to give blood for a test? why cant they just jab the needle in anywhere? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5yjnhg/eli5_we_can_generally_bleed_from_anywhere_on_our/ | {
"a_id": [
"deql0f4"
],
"score": [
3
],
"text": [
"Wtf? Do they have to restrain you and carry you in and out? I have blood taken all the goddamned time and it takes like 2 minutes and one philipino lady."
]
} | [] | [] | [
[]
] | ||
145urf | Do freckles fade over time? | askscience | http://www.reddit.com/r/askscience/comments/145urf/do_freckles_fade_over_time/ | {
"a_id": [
"c7a7soc"
],
"score": [
2
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"text": [
"Yes and no. Freckles will come and go depending on how much sun exposure your skin gets. My freckles definitely multiply and then lessen between summer and winter when I'm getting different amounts of sun. I went to college in Florida after ha... | [] | [] | [
[]
] | ||
dr0jvn | how does 40 mm of rain submerge cars? | I mean, I get it that if drainage systems are blocked, the 40 mm of rain has nowhere to go. But it's still only 40 mm! I'm routinely seeing flooding from that much rain and it makes no sense to me. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dr0jvn/eli5_how_does_40_mm_of_rain_submerge_cars/ | {
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"score": [
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"text": [
"They are probably at low ground.\n\nSo it rains over an area, and all the rain that isn't going down a drain needs to go somewhere. It travels to lower ground, causing flooding. Li... | [] | [] | [
[],
[],
[],
[]
] | |
7ki4fo | if cinemas now get movies as a digital copy how come they dont get copied and leaked online well before the dvd release date? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7ki4fo/eli5if_cinemas_now_get_movies_as_a_digital_copy/ | {
"a_id": [
"drejgoy"
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"score": [
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"text": [
"There are small watermarks in each copy that uniquely identifies it. If a theater were discovered to have leaked their copy, the movie studio would stop doing business with them, which would almost certainly cause the theater to go out of busine... | [] | [] | [
[]
] | ||
bryxyw | In shows you often see American WW2 troops carrying garands, thompsons, carbines, etc, when they go into battle. Did troops get to pick one? Or did they get assigned weapons? How did that work? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/bryxyw/in_shows_you_often_see_american_ww2_troops/ | {
"a_id": [
"eoi8d72"
],
"score": [
224
],
"text": [
"I answered a similar question some time ago [here](_URL_0_) but I’ll repeat it below."
]
} | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/7jeucb/who_got_what_weapons_in_ww2/"
]
] | ||
xxwhr | Thursday Focus | Animals, Beasts and Other Creatures | Last week: [The History of Music](_URL_2_)
This week: Though the writing of history is a profoundly (and, as far as we know, solely) human act, we've shared that history all along the line with the members of the animal kingdom. From domesticated pets to prowling beasts, farmer's stock to mythical monsters, humans h... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/xxwhr/thursday_focus_animals_beasts_and_other_creatures/ | {
"a_id": [
"c5qk3m8",
"c5qk959",
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14,
5,
8,
10,
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4,
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"text": [
"... | [] | [
"http://en.wikipedia.org/wiki/Abul_Abbas",
"http://en.wikipedia.org/wiki/Cher_Ami",
"http://www.reddit.com/r/AskHistorians/comments/xkn0h/thursday_focus_the_history_of_music/"
] | [
[],
[
"http://en.wikipedia.org/wiki/War_pig"
],
[],
[],
[
"http://upload.wikimedia.org/wikipedia/commons/0/02/D%C3%BCrer_rhino_full.png"
],
[
"http://en.wikipedia.org/wiki/Wojtek_\\(soldier_bear\\)"
],
[],
[],
[
"http://en.wikipedia.org/wiki/Bat_bomb",
"http://en.wikipedia.... | |
5jku03 | why do old televisions "blip" toward the center when they turn off? | [Example](_URL_0_) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5jku03/eli5_why_do_old_televisions_blip_toward_the/ | {
"a_id": [
"dbgvyi4",
"dbh2yam"
],
"score": [
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14
],
"text": [
"Older televisions had an electron \"gun\" (not a real gun, but we're going to call it that) that fired electrons at the front of the television tube. This gun would constantly scan across the screen, from top to bottom, le... | [] | [
"https://youtu.be/-MH6JZdGZcI"
] | [
[],
[]
] | |
277u8g | how do leeches survive when they are not attached to a host? | Leeches have a very specialized anatomy that enables them to attach to hosts and live off host blood. However, they are generally found living independently. I have found them under rocks near rivers. How do they survive? Can they live off other "food" than blood? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/277u8g/eli5how_do_leeches_survive_when_they_are_not/ | {
"a_id": [
"chyadmu"
],
"score": [
4
],
"text": [
"Same way we survive inbetween meals. "
]
} | [] | [] | [
[]
] | |
2ufjn3 | in the imitation game, and in real life, how did the turing machine know that it had cracked the code? | Did Turing have to program in every German word into the machine? Because if he didn't, and the machine is running through hundreds (maybe thousands) of combinations a second, how did anyone know if it had really cracked the code? The machine could have skipped right by the correctly cracked code, but no one would kn... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ufjn3/eli5_in_the_imitation_game_and_in_real_life_how/ | {
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"score": [
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3,
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],
"text": [
"They used key words that they knew would be present in certain messages, such as \"Wetter\" (weather) and \"Heil Hitler\". The machines (there was more than one) would stop when a ... | [] | [] | [
[],
[
"http://youtu.be/V4V2bpZlqx8"
],
[
"http://en.wikipedia.org/wiki/Cryptanalysis_of_the_Enigma",
"http://en.wikipedia.org/wiki/Bombe",
"http://en.wikipedia.org/wiki/Colossus_computer",
"http://en.wikipedia.org/wiki/Cryptanalysis_of_the_Lorenz_cipher"
],
[]
] | |
c7jcg6 | how are humans waterproof, yet we can still sweat water? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/c7jcg6/eli5_how_are_humans_waterproof_yet_we_can_still/ | {
"a_id": [
"esg680a"
],
"score": [
5
],
"text": [
"Imagine this: You have a mouthful of water, but your mouth is closed, and you go swimming in the pool. The water from the pool doesn't flow into your mouth, but if you squeeze your cheeks, the water comes out of your mouth. Your mouth is likened ... | [] | [] | [
[]
] | ||
ec7pn0 | what's the reality for sun protection? do we need spf 55+ every time we leave the house? | \[Serious\] Can someone please explain the science, data, and recommendations regarding the dangers of sun exposure? Some sources make it sound like going outside at all without spf55 is to court death, and that we should all wrap ourselves like Caliban (Logan reference) anytime we leave the house. If I’m a person who ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ec7pn0/eli5_whats_the_reality_for_sun_protection_do_we/ | {
"a_id": [
"fb9wapp",
"fb9yb80"
],
"score": [
2,
4
],
"text": [
"Winter sun (at sea level) is much weaker than summer sun, just like the sun near sunset is weaker than at noon, because the sun isn't directly shining at you and has more atmosphere to go through.",
" > Can someone plea... | [] | [] | [
[],
[]
] | |
l0v2s | - how do motion sensors work? (like ones used in lights and stuff) | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/l0v2s/eli5_how_do_motion_sensors_work_like_ones_used_in/ | {
"a_id": [
"c2ovqp0",
"c2ovqp0"
],
"score": [
6,
6
],
"text": [
"These lights have electronic eyeballs that read how much light there is in an area. If the amount of light changes too quickly, usually because somebody walks in front of it and blocks the eyeball, it tells the lights to com... | [] | [] | [
[],
[]
] | ||
4waxca | why do banks make people fill out a deposit slip at the teller's window, then make them use the atm card reader, when customers don't have to fill out anything at the atm to deposit checks? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4waxca/eli5_why_do_banks_make_people_fill_out_a_deposit/ | {
"a_id": [
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"score": [
2,
2,
9,
9
],
"text": [
"In Europe they don't even check your ID or anything if you wanna deposit cash, just give it to the guy? ",
"I could be wrong, but I think this only applies to cash. The last ti... | [] | [] | [
[],
[],
[],
[]
] | |
2obgu0 | What's a good history of Subsaharan Africa? | . | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2obgu0/whats_a_good_history_of_subsaharan_africa/ | {
"a_id": [
"cmlu586"
],
"score": [
4
],
"text": [
"If you're OK with a dense read, John Iliffe's *Africans: The History of a Continent* (2d ed., 2009?) is an interesting overview that extends across the continent in space and time and introduces a lot of concepts that help to define the whole. H... | [] | [] | [
[]
] | |
6gievj | Where was the North getting its tobacco during the US Civil War? Was there a shortage? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6gievj/where_was_the_north_getting_its_tobacco_during/ | {
"a_id": [
"dirb9ks"
],
"score": [
12
],
"text": [
"It would have been very difficult for Northern civilians to get their hands on tobacco products during the war (in fact the Internal Revenue Act placed a tax on luxury items -- [tobacco](_URL_0_) was included in that). \n\nIf you were a soldier,... | [] | [] | [
[
"https://www.nps.gov/resources/story.htm%3Fid%3D251",
"https://opinionator.blogs.nytimes.com/2014/02/07/breaks-in-the-action/?_r=0",
"http://www.jstor.org.gate.lib.buffalo.edu/stable/1895751?Search=yes&resultItemClick=true&searchText=tobacco&searchUri=%2Faction%2FdoBasicSearch%3Ffilter%3Di... | ||
25eecb | What is the history and development of the EMS number "911" in America? | When did 911 become the standard emergency number in the United States?
Who thought of it, and what kind of opposition did it face in its development?
How long did it take to become widespread across the country?
Did political parties lobby for its creation? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/25eecb/what_is_the_history_and_development_of_the_ems/ | {
"a_id": [
"chgf80a",
"chgnbx2",
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"score": [
36,
11,
2
],
"text": [
"So Gary Allen has a really complete time line of the history of 911 in the USA. _URL_0_ here. I would recommend reading that. It's complete with correct resources and self sourced history. \n\n... | [] | [] | [
[
"http://www.911dispatch.com/911/history/"
],
[
"http://em.pgpic.com/images/vm/Grady%20Hospital%20Horsedrawn1888.jpg",
"emsmuseum.org"
],
[
"http://en.wikipedia.org/wiki/9-1-1"
]
] | |
sjz5y | Question regarding electromagnetism, copper coils, and magnets. | I'm currently working on a project for free energy but have one fundamental question regarding the copper wire & magnet generators:
Wouldn't it be more efficient if you somehow managed to have a magnet run through the center of a copper coil as opposed to having the magnet running past it at a perpendicular angle? I... | askscience | http://www.reddit.com/r/askscience/comments/sjz5y/question_regarding_electromagnetism_copper_coils/ | {
"a_id": [
"c4emuit"
],
"score": [
2
],
"text": [
"What matters is the change in magnetic flux. When you have a magnet going through a donut of copper coil, the flux doesn't change at all, and you won't get any voltage out of it."
]
} | [] | [] | [
[]
] | |
gb001 | Is there less gravity the higher up you go? | conversely the closer I go to the core of the earth would there be more gravity? How would I calculate this? I'm asking because I think the closer I get to the center of the earth there is less mass to pull me, as I'm leaving a lot of it behind me.
EDIT: I think I should clarify that by "higher" I meant going to a mo... | askscience | http://www.reddit.com/r/askscience/comments/gb001/is_there_less_gravity_the_higher_up_you_go/ | {
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"score": [
9,
22,
2,
6,
5,
2
],
"text": [
"Yes, gravity follows what's called an \"inverse square law\", meaning that gravity gets exponentially weaker the farther you move from ... | [] | [] | [
[],
[],
[],
[],
[
"http://en.wikipedia.org/wiki/Gauss%27_law_for_gravity#Spherically_symmetric_mass_distribution"
],
[]
] | |
siw1n | what is wireless spectrum and why can't we make more of it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/siw1n/eli5_what_is_wireless_spectrum_and_why_cant_we/ | {
"a_id": [
"c4efbxr",
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"score": [
3,
2
],
"text": [
"When we talk about light, we usually think of the thing that comes from the sun and light bulbs and colors.\n\nWe can think of this light as a wave. Each color is a different wavelength of this wave. Blue is a certain wave... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Modulation",
"http://en.wikipedia.org/wiki/Electromagnetic_spectrum",
"http://en.wikipedia.org/wiki/Channel_capacity",
"http://en.wikipedia.org/wiki/Line_code",
"http://en.wikipedia.org/wiki/Polarization"
]
] | ||
3w1l1z | Did nuclear tests kill lots of nonhuman animals? | The thousands of nuclear tests that have been done during the atomic age, have we documented how many animals were accidentally caught in the blast radius (and the after-effects of the radiation)? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3w1l1z/did_nuclear_tests_kill_lots_of_nonhuman_animals/ | {
"a_id": [
"cxssb6l"
],
"score": [
4
],
"text": [
"The tests definitely did kill animals who were inadvertently nearby, but I don't think we have good documentation on how many. There are anecdotal accounts of people coming across rabbits at the Trinity site and lots of work was done to study the... | [] | [] | [
[
"https://twitter.com/wellerstein/status/658309338742829056",
"https://en.wikipedia.org/wiki/Castle_Bravo#/media/File:Castle_Bravo_fish_contamination_map.png"
]
] | |
5krwfk | I'm going to be a teacher's assistant in January on a class about ancient world history, with a focus on video games portraying this time. What are some games appropriate to this time period/ any theses or scholarly articles on the subject? | The games do not necessarily have to be completely accurate, but should allow for a dialogue in the class to discuss inaccuracies and compare to our coursework. I'm not entirely sure AskHistorians is the best subreddit for this, but I assume I would receive much better answers here than a gaming subreddit. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5krwfk/im_going_to_be_a_teachers_assistant_in_january_on/ | {
"a_id": [
"dbq9l1h",
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],
"score": [
4,
3,
3,
3
],
"text": [
"How ancient would you like the game to represent? Rome II: Total War has a fairly realistic look at logistics and armies of the time period, and an interesting look at some of the... | [] | [] | [
[],
[
"http://www.interact-simulations.com/c/product.web?nocache@13+s@aSosq6kZqQf6k+record@TF34287+Title@EMPIRES+ISBN@9781573363754",
"http://www.interact-simulations.com/c/product.web?nocache@1+s@aSosq6kZqQf6k+record@TF42261+Title@ANCIENT%20HISTORY%20ACTIVATORS+ISBN@9781560043706"
],
[],
[
"htt... | |
2105dm | why do people think that vegetables taste gross, even though they have the most nutrients that the body needs? | Wouldn't the body want to eat as many nutrients as possible? Yet instead we tend to eat a ton of sweets while the veggies sit untouched on our plates. Why is this? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2105dm/eli5_why_do_people_think_that_vegetables_taste/ | {
"a_id": [
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5,
3,
4,
3,
3
],
"text": [
"Having specific nutrients isn't tremendously important to your body. You can get unfortunate diseases from nutrient deficiency, but it takes a *long* time to ... | [] | [] | [
[],
[],
[],
[],
[]
] | |
ouqj5 | How are many animals born with innate knowledge that doesn't require them to learn from experience? | askscience | http://www.reddit.com/r/askscience/comments/ouqj5/how_are_many_animals_born_with_innate_knowledge/ | {
"a_id": [
"c3k80gc",
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"c3k8ro1",
"c3k9pb1"
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"score": [
3,
10,
23,
2,
5
],
"text": [
"The thing you have to remember is that the use of the word \"Knowledge\" as if it were some kind of overarching and unified category can very easily throw u... | [] | [] | [
[],
[],
[
"http://www.youtube.com/watch?v=I_xh-bkiv_c"
],
[],
[]
] | ||
8dpam7 | why does our saliva have an ass odour at times? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8dpam7/eli5_why_does_our_saliva_have_an_ass_odour_at/ | {
"a_id": [
"dxp2j6z"
],
"score": [
3
],
"text": [
"The mouth is a dark, damp, warm environment. Perfect place for bacteria to grow. Think about it- when you sleep, your mouth is often closed, sometimes for as long as 8 hours a day. And lets be honest, who brushes their tongue vigorously every nig... | [] | [] | [
[]
] | ||
18zwrp | Byzantine Art, why was it considered to be realistic and natural in it's own time despite being obviously stylized and a betrayal of the Hellenistic aesthetic? | Was it merely a continuation of pre-existing trends in roman art or was there some kind of paradigm shift that led to that drastic style? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/18zwrp/byzantine_art_why_was_it_considered_to_be/ | {
"a_id": [
"c8jjqik",
"c8jk9zw",
"c8jkzfo"
],
"score": [
3,
3,
11
],
"text": [
"Byzantine art drew off of many classical elements (logically, for it was a former part of Rome itself) and featured all of the regular religious subject matter. It was mostly just building upon the pre... | [] | [] | [
[],
[
"http://2.bp.blogspot.com/_ajSs1Z4jq60/S62Tg8szwZI/AAAAAAAAANE/cJGq5hl1pPs/s1600/IMG_0438.JPG",
"http://www.nga.gov/image/a0000a/a0000a06.jpg"
],
[]
] | |
kbdnm | different types of salts and what the do. | How do different types of salt affect our bodies? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/kbdnm/eli5_different_types_of_salts_and_what_the_do/ | {
"a_id": [
"c2ix3pl",
"c2ix3pl"
],
"score": [
6,
6
],
"text": [
"I'm going to assume you are talking about food salts, as the word salt in a scientific sense refers to compounds resulting from acid-base reactions (someone correct me on this if I am wrong, it has been awhile since chemistr... | [] | [] | [
[],
[]
] | |
2kvfzh | Why can we create computers that are unbeatable at chess, but not at poker(in the long run ofc)? | askscience | http://www.reddit.com/r/askscience/comments/2kvfzh/why_can_we_create_computers_that_are_unbeatable/ | {
"a_id": [
"clp67ub",
"clp6juh"
],
"score": [
4,
25
],
"text": [
"In chess you play the board more than you do your opponent. Every move and pattern that is displayed on the board reveals the thinking of your opponent.\n\nPoker is different, the most important information is hidden until ... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Daniel_Kahneman",
"http://en.wikipedia.org/wiki/Solving_chess",
"http://en.wikipedia.org/wiki/Amos_Tversky",
"http://www.cs.cmu.edu/~sandholm/solving%20games.aimag11.pdf",
"http://en.wikipedia.org/wiki/Game_tree",
"http://en.wikipedia.org/wiki/Solved_gam... | ||
31dvqm | What is the point of including parallel worlds in the Many-Worlds Interpretation of quantum mechanics? | This is most likely a dumb question, as I have no clue how quantum mechanics works, nor do I have a solid understanding on the math and theory behind it. That said, MWI tends to come up extremely often whenever quantum mechanics are discussed, and I've been trying to wrap my mind around it for years without much succes... | askscience | http://www.reddit.com/r/askscience/comments/31dvqm/what_is_the_point_of_including_parallel_worlds_in/ | {
"a_id": [
"cq0v2eu",
"cq11ry3"
],
"score": [
15,
6
],
"text": [
"MWI postulates the concept of the other universes as a means to explain \"apparent\" wave function collapse, or the concept in quantum mechanics that \"selects\" a single quantum state from a superposition of states. Let's ... | [] | [] | [
[
"https://youtu.be/u0rNwo3c51M",
"http://physics.stackexchange.com/a/107681"
],
[]
] | |
477nvn | why do the founders of torrent websites like pirate bay get charged with copyright infringement, but not people who download the content? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/477nvn/eli5_why_do_the_founders_of_torrent_websites_like/ | {
"a_id": [
"d0asfzi",
"d0ashy7",
"d0b2itp"
],
"score": [
8,
4,
2
],
"text": [
"Mostly because it is REALLY hard to track down each individual downloader and many have done so little that the court case and process of tracking down the offender would be more trouble than it's worth... | [] | [] | [
[],
[],
[]
] | ||
z7i30 | Human teeth evolution | Askscience, what on earth made us capable of losing our teeth and only grow one more pair? How come we lose teeth unlike (dogs, cats, etc.), but don't have an infinite number of teeth to grow back like sharks? | askscience | http://www.reddit.com/r/askscience/comments/z7i30/human_teeth_evolution/ | {
"a_id": [
"c628r95"
],
"score": [
5
],
"text": [
"Keep in mind evolution doesn't 'do' things. It merely happens as a result of the environment a species lives in and the current physiological make of the species. \n\nAlso, cats and dogs do lose their teeth like humans do. The common link is they... | [] | [] | [
[]
] | |
3t2l6m | Why isn't blood from a transfusion rejected by the body? | I know that for a blood transfusion to be viable both parties must have the same blood type (or O) so that the donor's blood isn't seen an 'non-self' and attacked by the immune system. So why is it that in the case of transplanted organs which also have to be donated by someone of the same blood type, the body rejects ... | askscience | https://www.reddit.com/r/askscience/comments/3t2l6m/why_isnt_blood_from_a_transfusion_rejected_by_the/ | {
"a_id": [
"cx2jro2"
],
"score": [
12
],
"text": [
"For one, red blood cells are extremely simple. They don't have a lot of flags on their surface that organ cells do. So they're less of a target for the immune system. While cells do, but it's okay if white cells die after a transfusion, you a... | [] | [] | [
[]
] | |
9rg3ya | What was the meaning behind the split snake "Join or Die" flag in the 1754 Pennsylvania Gazette? | Here is a picture: [_URL_0_](_URL_0_)
I see that Georgia isn't included--did that have anything to do with the previous edition of the paper's article protesting the British practice of sending convicts to America, since allegedly Georgia was intended be a haven for those in debtors prisons? Were people wanting the ot... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/9rg3ya/what_was_the_meaning_behind_the_split_snake_join/ | {
"a_id": [
"e8h1cdf"
],
"score": [
3
],
"text": [
"I'm not sure about the situation in Georgia, but my guess is that Georgia's absence could have something to do with the limbo Georgia was in during this period. The trustees of the colony had more or less given up and signed over control to the C... | [] | [
"http://www.usflag.org/gadsden.html"
] | [
[]
] | |
1ol0rm | odd land formation (link inside) | _URL_0_ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ol0rm/eli5_odd_land_formation_link_inside/ | {
"a_id": [
"ccsyohz",
"ccsyozq"
],
"score": [
3,
3
],
"text": [
"Looks man-made to me, but without a better picture I can't be sure.",
"Manmade lake: [The Vinkeveense Plassen](_URL_0_)\n\nApparently the lake was created by peat extraction."
]
} | [] | [
"https://www.google.com/maps/preview#!q=Amsterdam%2C+The+Netherlands&data=!1m4!1m3!1d21440!2d4.9358555!3d52.2300152!2m1!1e3!4m15!2m14!1m13!1s0x47c63fb5949a7755%3A0x6600fd4cb7c0af8d!3m8!1m3!1d291641!2d-101.8884435!3d33.5911434!3m2!1i1600!2i1053!4f13.1!4m2!3d52.3702157!4d4.8951679&fid=7"
] | [
[],
[
"http://www.kanoroutes.nl/e-vinkeveen.htm"
]
] | |
er140l | why men cannot be tested for hpv but women can? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/er140l/eli5_why_men_cannot_be_tested_for_hpv_but_women/ | {
"a_id": [
"ff01sh8"
],
"score": [
22
],
"text": [
"The test involves looking at the cervix, which men don't have. So unless a man shows symptoms of three virus (warts) there's no other way to know. Blood tests don't show the virus."
]
} | [] | [] | [
[]
] | ||
c95cgd | how does alcohol absorption work? | I am trying to understand this because I am always in the situation where I drink 1 beer or 1 cider (generally a small amount of alcohol) and I have no idea after how many hours I am safe to drive without having problems with the law (in my country, Romania, there is zero tolerance for alcohol when driving) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/c95cgd/eli5_how_does_alcohol_absorption_work/ | {
"a_id": [
"est5wqe"
],
"score": [
3
],
"text": [
"Well, generally speaking one adult can consume one standard drink per hour. One standard drink is 1 beer, 1 glass of wine, or one shot of liquor. Now, that does not factor in the proof of the alcohol. Drinking a 180 proof shot is different than a... | [] | [] | [
[]
] | |
q8ybi | how spam mail companies/persons stay in business if hardly any people ever fall for their scams. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/q8ybi/eli5_how_spam_mail_companiespersons_stay_in/ | {
"a_id": [
"c3vofw0",
"c3vp3v4",
"c3vs06k"
],
"score": [
4,
3,
2
],
"text": [
"It costs nothing to spam people, so they still make a profit even if only a handful of people fall for it.",
"You made an assumption in the title question. That assumption happens to be wrong.",
... | [] | [] | [
[],
[],
[]
] | ||
1g0xsz | what survival instinct does music play on? | Why do we dance to our favorite song?
Why do we listen to music? Has it got anything to do with our survival? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1g0xsz/eli5_what_survival_instinct_does_music_play_on/ | {
"a_id": [
"cafrxdd",
"cafsjhi",
"caft5d5",
"cafu9bk"
],
"score": [
4,
2,
2,
3
],
"text": [
"The answer is most likely no, it has little or nothing to do with our survival. That's one of the things that separates us from other animals, we have tastes. The reason why one wo... | [] | [] | [
[],
[],
[],
[]
] | |
3v2jc7 | what makes student loan debt seemingly so much harder to deal with than other types of debt? | I'm just starting out college and I was wondering why student loan debt just seems like such a bigger issue to many people than say credit card debt, and why it seems to be so hard to get rid of. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3v2jc7/eli5what_makes_student_loan_debt_seemingly_so/ | {
"a_id": [
"cxjrfcz",
"cxjrkw9",
"cxjs7n5",
"cxjsi33",
"cxjslqi"
],
"score": [
2,
2,
2,
2,
2
],
"text": [
"Higher interest rates as compared to other loans. Plus the initial amount of money can be more than say, a car loan. ",
"I assume you're in the US. \n\nIt... | [] | [] | [
[],
[],
[],
[],
[]
] | |
6d669r | what determines how deep someones voice is? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6d669r/eli5_what_determines_how_deep_someones_voice_is/ | {
"a_id": [
"di0buoz"
],
"score": [
15
],
"text": [
"Several factors that mostly have to do with the shape of your body:\n\n1) Length of your larynx (vocal cords). Men tend to have longer and more robust vocal cords due to testosterone. Just like strings on a piano, the longer the cords the lowe... | [] | [] | [
[]
] |
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