q_id stringlengths 5 6 | title stringlengths 3 296 | selftext stringlengths 0 34k | document stringclasses 1
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value | url stringlengths 4 110 | answers dict | title_urls list | selftext_urls list | answers_urls list |
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3061h0 | since space is very cold, when would getting closer to our sun become warm? | So, as I understand it, space is really quite cold, due to the lack of an atmosphere and vacuum like situation.
I don't know if the Sun actually has an atmosphere or not, so either way, how would this effect getting close to the sun? Surely if there is a vacuum then you could actually get right up to it and it'd still... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3061h0/eli5_since_space_is_very_cold_when_would_getting/ | {
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"Fundamentally, a vacuum doesn't have temperature. Temperature is a measure of energy in objects. Vacuum is not an object but the lack of them.\n\nHowever, objects in space *Tend* to be cold, they cool down by radiative cooling. \n\nBasically, roc... | [] | [] | [
[]
] | |
7zqhfy | what is happening when my wi-fi/internet just stops working for 10 minutes, and then acts like it did nothing wrong after? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7zqhfy/eli5_what_is_happening_when_my_wifiinternet_just/ | {
"a_id": [
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"There is some connectivity glitch that either self-resolves, or some tech was alerted, and fixed the issue.",
"If you have a router using an Intel Puma 6 chipset (newer Hitron, Cisco and other routers use these), then an... | [] | [] | [
[],
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2muj88 | was there matter before the big bang? how does it compare to our common understanding of matter? i read hot and dense... how big was "it"? was it made of atoms? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2muj88/eli5_was_there_matter_before_the_big_bang_how/ | {
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"It was theoretically infinite by our understanding, because we cannot quantify it. Before the big bang there was no matter, no time, no space, no dimensions, no laws of physics, the big bang was the beginning of everything i... | [] | [] | [
[],
[]
] | ||
72l5uc | butterflies. like, from a darwinian point of view, how could the whole caterpillar/cocoon/butterfly be a solution viable enough? how did they make it to today? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/72l5uc/eli5_butterflies_like_from_a_darwinian_point_of/ | {
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"Having your larval stage and your adult stage not have to compete for food, and live in a different environment, is definitely an advantage. \n\nFor many butterflies/moths it splits the life-cycle pretty neatly. You get the caterpillar who basic... | [] | [] | [
[]
] | ||
eu2za9 | what took so long for the invention of the automobile? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/eu2za9/eli5_what_took_so_long_for_the_invention_of_the/ | {
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"text": [
"That's an interesting comparison you're drawing, and not one that makes a whole lot of sense to me.\n\nShips were for a very long time powered by wind or muscle power. Automobiles are powered by some type of engine. Before the development of th... | [] | [] | [
[]
] | ||
4ujiut | how do ambassadorships and political appointments work? money and mechanics. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4ujiut/eli5how_do_ambassadorships_and_political/ | {
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"Given campaign finance laws, etc. you can't just write a check for $500k and get appointed ambassador... those who raise large sums as \"bundlers\" make their own donations (max personal donation is $2,700 per person, so $5,... | [] | [] | [
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z4o4s | nuclear chemistry | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/z4o4s/eli5_nuclear_chemistry/ | {
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"If you look really closely at things, they are made of atoms - specific discrete bits. \n\nIf you look closer, these atoms are made up of things: electrons, neutrons, and protons.\n\nNeutrons and proton... | [] | [] | [
[],
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3u65gy | what would happen if every cell in one's body underwent apoptosis? | Would you melt into a puddle? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3u65gy/eli5_what_would_happen_if_every_cell_in_ones_body/ | {
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"Most of the non-water weight of your body is the extra-cellular matrix, a network of proteins in between your cells that hold everything together. Your might lose a lot of fluid if all your cells died, but the extracellular matrix (including your... | [] | [] | [
[]
] | |
b52siv | the difference between phase velocity and group velocity of a wave. | I can't get my head around this. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b52siv/eli5_the_difference_between_phase_velocity_and/ | {
"a_id": [
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"score": [
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"text": [
"Suppose you have a clump of three or four sinusoidal ocean waves, traveling one behind the other across an otherwise-calm ocean. The crest of each wave will move at the phase velocity, while the whole group of waves will move at the group veloci... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Group_velocity#/media/File:Wave_packet_propagation_(phase_faster_than_group,_nondispersive).gif"
]
] | |
8mygom | why is the moon so perfectly spherical, when other moons in the solar system aren't? does it have something to do with orbit? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8mygom/eli5_why_is_the_moon_so_perfectly_spherical_when/ | {
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"text": [
"It's the mass of the moon more than the orbit that determines if it's going to be round. Gravity tends to pull objects into nearly spherical shapes. Our M... | [] | [] | [
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[],
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4dn0tw | on survival shows they sometimes eat poisonous spiders. how can something that has enough poison to kill you by biting be ingested without harm? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4dn0tw/eli5on_survival_shows_they_sometimes_eat/ | {
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"text": [
"There are lots of things that if you were to inject them into your bloodstream you'd be harmed but that if you eat are easily destroyed by your stomach withou... | [] | [] | [
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"https://en.wikipedia.org/wiki/Protease"
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2ue0oc | why are certain organs associated with certain feelings? for example, why do people think love comes from the heart? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ue0oc/eli5_why_are_certain_organs_associated_with/ | {
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"text": [
"In the old testament the seat of the emotions was the bowls... ",
... | [] | [] | [
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"http://en.m.wikipedia.org/wiki/Four_temperaments"
],
[],
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"http://en.wikipedia.org/wiki/Vagus_nerve#Physical_and_emotional_effects"
],
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197vao | what actually happens when you copy files from one device to another? | I don't know if the question makes sense. But I know that I can copy files to/from devices, I just don't understand how computers do it, and what technically actually goes on with this. Perhaps not a ELI5 question, but I fear I won't understand much more complicated than that.. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/197vao/eli5_what_actually_happens_when_you_copy_files/ | {
"a_id": [
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"text": [
"It's not all that different from how you would copy a page from a book, except:\n\n* instead of reading it with your eyes your computer reads it with a needle on the harddrive.\n\n* instead of remembering the part you're co... | [] | [] | [
[],
[]
] | |
5bqtn1 | is it dangerous if a plug has one of 3 prongs partially exposed? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5bqtn1/eli5_is_it_dangerous_if_a_plug_has_one_of_3/ | {
"a_id": [
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"text": [
"Oddly enough, the danger depends on which pin. On a US plug, the round pin is safe (it's the ground pin), the larger flat pin is less dangerous, and the smaller flat pin is the most dangerous to touch."
]
} | [] | [] | [
[]
] | |
3uqz8r | how is one file type converted to another? | For example jpg to png, bmp to png, wma to mp3, mobi to epub, mkv to mp4, etc.
Is it a totally different process for each file type? Or is it a similar process that's just modified a little for whatever you happen to be converting to or from? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3uqz8r/eli5_how_is_one_file_type_converted_to_another/ | {
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"The process is totally different from file to file.\n\nIf there is a common pattern, it would be to convert to an easily understood format (wav for sound, or bmp for images, for example, or else whatever native format is use... | [] | [] | [
[],
[]
] | |
32nvtr | why did maryland have to approve tesla stores? | It seems that a company could just start up and open anywhere in the US, but why did Maryland have to approve the opening of up to 4 Tesla stores? It doesn't seem like companies have to do that elsewhere, or at all. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/32nvtr/eli5_why_did_maryland_have_to_approve_tesla_stores/ | {
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"text": [
"Many states have laws on the books that regulate and mandate third party dealerships for cars hasn't been a problem until Tesla showed up and started doing it all themselves. ",
"Many States require third parties to sell... | [] | [] | [
[],
[]
] | |
3i2vy9 | how is it that you can by cocacola in almost any shop or restaurant in the world but you never see a factory? | Where is the Factory?
hows are the logistics worked?
Thanks | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3i2vy9/eli5how_is_it_that_you_can_by_cocacola_in_almost/ | {
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"Almost each county has local factories that usually are outside of the cities near good water source. \n\nFrom it they move bottles around via trucks, like a... | [] | [] | [
[],
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"http://www.coca-cola.co.uk/stories/sustainability/community/drinking-it-in-behind-the-scenes-tours-for-students/"
],
[],
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[]
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5hcfgb | why do most tv's only have one ir receiver which forces people to use the remote control like a sniper rifle? why not multiple ir receivers in all 4 corners of the tv? | I'm guesssing there could be a way to design a circuit so that when multiple IR receivers detect a signal only one signal per some period of time will be recognized. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5hcfgb/eli5_why_do_most_tvs_only_have_one_ir_receiver/ | {
"a_id": [
"daz4vz2"
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"score": [
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"text": [
"the IR transmitter on the remote control is a wide beam, it isn't a laser dot. the IR receiver on the TV is capable of reading from wide angles as well. in a dark room, the remote is quite capable of reaching the tv at most any angle.\n\nth... | [] | [] | [
[]
] | |
5o22vx | why has the proportion of black farmers in america shrunk so drastically in the last century? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5o22vx/eli5_why_has_the_proportion_of_black_farmers_in/ | {
"a_id": [
"dcg21h3",
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"text": [
"Because the total number of farmers has shrunk drastically. \n\nCurrent technology allows a single farmer to do what 100 farmers did a century ago. ",
"Most black farmers were sharecroppers (85% in 1900) - they didn't ow... | [] | [] | [
[],
[]
] | ||
bhfilm | how can an earthquake change the earth's rotation speed if there's no external force on the earth? | Just read some TIL about a Japanese earthquake making the Earth turn every so slightly faster (ie. 1.5 nano seconds shorter days). How is this possible when the entire event is contained on the Earth? Wouldn't this violate the conservation of angular momentum? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bhfilm/eli5_how_can_an_earthquake_change_the_earths/ | {
"a_id": [
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"text": [
"Just like how a spinning ice skater pulling her arms in will spin faster. The moment of inertia changes which causes a change in angular velocity such that angular momentum is conserved.",
"Conserva... | [] | [] | [
[],
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195k7w | - hyperbaric welding / underwater welding - how does the welder not get shocked? | Hey Reddit,
I understand arc welding and how it's done on dry land by specifically with underwater welding how does the welder not get shocked? My limit understanding of water tells me that it is conductive, how does the water not conduct the current around the welder?
Does the diver's rubber suit act as enough insula... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/195k7w/eli5_hyperbaric_welding_underwater_welding_how/ | {
"a_id": [
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"text": [
"Electric current flows from areas of high potential to areas of low potential via the path of least resistance. In this case, you've got an area of high potential (the electrode) and an area of low potential (the thing you're welding), and the pa... | [] | [] | [
[]
] | |
2l08j7 | how is 2 not infinitely bigger than 1, if 1 is infinitely bigger than 0? | Stupid question, I know. It's just never been something I've understood. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2l08j7/eli5_how_is_2_not_infinitely_bigger_than_1_if_1/ | {
"a_id": [
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"text": [
"a/b isn't defined for b = 0 so you can't say one is infinitely bigger than 0.\n\nYou can do 2/1 = 2 means two is twice the size of one though.",
"You can fit infinite nothings into 1 because no matter how much nothing yo... | [] | [] | [
[],
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4vyeyv | someone describe to me how insides of computers work please, i know a tiny bit but not much. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4vyeyv/eli5_someone_describe_to_me_how_insides_of/ | {
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"text": [
"The problem is that this is a hard question to answer, as it is way too broad and a bit too vague. Do you want to know about how softwa... | [] | [] | [
[],
[],
[],
[],
[
"https://m.youtube.com/watch?v=26dUpttl8g4"
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g39jmi | how can psychological pain manifest as physical pain? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/g39jmi/eli5_how_can_psychological_pain_manifest_as/ | {
"a_id": [
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"text": [
" I am learning about how many anxiety disorders and others thought to be mental health issues are heavily influenced by our nervous system. By learning how to regulate it, the more we can minimize the impact of the thoughts / events that tri... | [] | [] | [
[]
] | ||
fywj9x | are the gambler's fallacy and bayes theorem contradictory to one another? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fywj9x/eli5_are_the_gamblers_fallacy_and_bayes_theorem/ | {
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"text": [
"I don't think they contradict one another. Bayes Theorem describes how likely it is that an event will occur based on prior knowledge relating to said event. For instance, data sho... | [] | [] | [
[],
[],
[],
[]
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1wyz3d | when a hard drive dies in the "cloud", what happens to that data? do a small fraction of people have missing emails or files? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1wyz3d/eli5_when_a_hard_drive_dies_in_the_cloud_what/ | {
"a_id": [
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"text": [
"Most hard drives in modern servers are protected by a technology called RAID. The data on each hard-drive is also copied onto another hard-drive. RAID means that this doesn't always use twice as many drives.\n\nConsequently ... | [] | [] | [
[
"http://imgur.com/q27y3V3"
],
[]
] | ||
31bt2e | what is a four wheel drive and how is it different to normal cars? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/31bt2e/eli5_what_is_a_four_wheel_drive_and_how_is_it/ | {
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"text": [
"A four wheel drive vehicle has a transfer case that sends power to both the front and rear axle, where a regular car (2 wheel drive) only has a single drive axle.",
"Most cars are two wheel drive, w... | [] | [] | [
[],
[],
[]
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bi0ki7 | why does pickling things preserve them? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bi0ki7/eli5_why_does_pickling_things_preserve_them/ | {
"a_id": [
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"text": [
"It makes them so acidic, salty, or both, that bacteria cannot live in them. Thus they don't rot.",
"It's fermentation - the same thing that turns milk to cheese, or wheat water into beer. \n\nEvery living thing has two ... | [] | [] | [
[],
[]
] | ||
3hiwmo | why the disclaimer "filmed in front of a live studio audience" on some older tv shows? | Not sure of they do it now | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3hiwmo/eli5_why_the_disclaimer_filmed_in_front_of_a_live/ | {
"a_id": [
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"text": [
"The laffs on \"filmed live\" shows were considered more realistic than the laff tracks added to other shows. So the laughter heard during the show's TV airing might be considered genuine, meaning the show really was funny, ... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Kraft_Television_Theatre"
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2br8kr | how close are we to wwiii right now? what single thing has to happen? | I'm not asking for karma, I'm asking for an answer. A simplified one. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2br8kr/eli5_how_close_are_we_to_wwiii_right_now_what/ | {
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"text": [
"Not even close. We were much closer to WW3 during the 1960s-1980s. If WW3 didn't start up in those decades, then it's highly unlikely it'll start up now.\n\nIt has to do with nu... | [] | [] | [
[],
[],
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3uf7ht | what actually happens when you "draw a blank"? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3uf7ht/eli5_what_actually_happens_when_you_draw_a_blank/ | {
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"text": [
"When each brain cell (neuron) becomes more active, it causes other brain cells to become more active and a smaller number of them to become less active. Combinations of neurons lead to other combinations depending on the sen... | [] | [] | [
[],
[]
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4oh50e | why does a lower resting heart rate give a person greater stamina? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4oh50e/eli5_why_does_a_lower_resting_heart_rate_give_a/ | {
"a_id": [
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"text": [
"A lower resting heart rate is a **result of** having greater stamina, or fitness in general. Or put another way your heart is more powerful and your body more efficient when you're fitter and have greater stamina so it does... | [] | [] | [
[],
[]
] | ||
2gcipz | why are shoes with heels on women considered elegant? | I've always wondered this, and where it started. When I see a woman in heels it seems so awkward. You hear the clonk, clonk, clonk, and they just seems so uncomfortable. When i say uncomfortable they just can't do much in them. You even see women take them off for better movement / comfort. Plus seeing women in shoes w... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2gcipz/eli5_why_are_shoes_with_heels_on_women_considered/ | {
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41,
5,
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"text": [
"It is awkward for the woman, and it is is generally uncomfortable for her.\n\nHowever, high-heels do have very specific purposes...\n\n1) High-heels help to make the form of the f... | [] | [] | [
[],
[],
[],
[]
] | |
5oy2ek | how does tap water get to your house? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5oy2ek/eli5_how_does_tap_water_get_to_your_house/ | {
"a_id": [
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"text": [
"Option 1) a well. It's not unusual for a house outside of a city to have a well drilled into the ground, and water pumped up, purified, and pumped into the house.\n\nOption 2) Pipes. Much more common is a series of pipes tha... | [] | [] | [
[],
[]
] | ||
6a7rc9 | what is michael flynn's connection to russia and what do we know? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6a7rc9/eli5_what_is_michael_flynns_connection_to_russia/ | {
"a_id": [
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"text": [
"[Here is a great OOTL post](_URL_0_ ) on the subject. It will catch you up. When you feel out of the loop, you might want to visit /r/OutOfTheLoop ."
]
} | [] | [] | [
[
"https://www.reddit.com/r/OutOfTheLoop/comments/5t9hpq/who_is_michael_flynn_and_why_are_people_saying_he/"
]
] | ||
a1bjfh | why is it that as i/we get older i have to clear my throat all the time? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a1bjfh/eli5_why_is_it_that_as_iwe_get_older_i_have_to/ | {
"a_id": [
"eapcb0u"
],
"score": [
2
],
"text": [
"Constant lump in the throat is a sign of acid reflux, I would ask your GP next time you go in for a physical."
]
} | [] | [] | [
[]
] | ||
3uctm7 | why did some places in the world develop patriarchy, while others developed matriarchy? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3uctm7/eli5_why_did_some_places_in_the_world_develop/ | {
"a_id": [
"cxdtz47",
"cxduea7"
],
"score": [
9,
51
],
"text": [
"I was taught that the reason patriarchies were far more prominent throughout the world is because of the way civilization emerged from biology. Evolutionarily, a woman's primary role is to care and teach their child. A male... | [] | [] | [
[],
[]
] | ||
1i9v3q | why is there such speculation regarding ted cruz making a presidential run when we know he's not a "natural-born citizen?" | ...and thus Constitutionally ineligible, at least so far as I understand it. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1i9v3q/eli5_why_is_there_such_speculation_regarding_ted/ | {
"a_id": [
"cb2ebze",
"cb2ecfy"
],
"score": [
13,
5
],
"text": [
"His mother was an American citizen at the time of his birth, and had been born and raised in Delaware. Ted Cruz thus acquired his US citizenship at birth, and there is lot of precedent saying that this would count as being... | [] | [] | [
[],
[
"http://www.politifact.com/ohio/article/2013/may/09/ted-cruz-eligible-under-constitution-become-presid/"
]
] | |
7asaix | why does child trafficking happen? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7asaix/eli5_why_does_child_trafficking_happen/ | {
"a_id": [
"dpcdopi",
"dpce8gk"
],
"score": [
18,
3
],
"text": [
"Some people want to adopt children but can't because of legal reasons or don't want to go through the hurdles of legal adoption but have the money to pay someone to get a child for them.\n\nSome people want to have sex with... | [] | [] | [
[],
[]
] | ||
32k6yb | how a sinus infection is not contagious even though the person affected is constantly coughing/sneezing/dribbling snot everywhere? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/32k6yb/eli5_how_a_sinus_infection_is_not_contagious_even/ | {
"a_id": [
"cqby3q5",
"cqby42e",
"cqbynch",
"cqbz7g7"
],
"score": [
2,
3,
3,
3
],
"text": [
"Sinusitis is due to a block of the paranasal sinuses...\nNot everyone has that.",
"My thought is that when you have a sinus infection the infection is localized so to speak wit... | [] | [] | [
[],
[],
[],
[]
] | ||
9rr5zt | why are some bus wheels concave while others are convex? | Over the past year, I have seen buses with concave and convex wheels and I am wondering why this is, Is it something to do with the axles?
& #x200B;
[_URL_0_](_URL_0_) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9rr5zt/eli5_why_are_some_bus_wheels_concave_while_others/ | {
"a_id": [
"e8j2cta",
"e8j2f58",
"e8j2fb0"
],
"score": [
3,
2,
4
],
"text": [
"It's the same rim. The convex wheels would normally be the \"inside\" set of tires on the rear wheel. The rear wheels are dual and that convex set butts up the concave and creates a budd spacer",
"D... | [] | [
"https://imgur.com/gallery/9zt0akO"
] | [
[],
[],
[]
] | |
207icf | what is happening to me when my heart starts beating harder, i get "butterflies" in my stomach and i get nervous and shaky when i think about the person i'm in love with? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/207icf/eli5_what_is_happening_to_me_when_my_heart_starts/ | {
"a_id": [
"cg0k1sf"
],
"score": [
2
],
"text": [
"It seems that when we think of or recognize something to be really dangerous or really valuable we get this response.\n\nSome people call it the \"fight or flight\" response - it's a rush of adrenalin that gears up your body, increasing the heart... | [] | [] | [
[]
] | ||
7j6iwm | what happens when you skip a night of sleep? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7j6iwm/eli5_what_happens_when_you_skip_a_night_of_sleep/ | {
"a_id": [
"dr404h8"
],
"score": [
3
],
"text": [
"Well, I know the cognitive and brain consequences. Anything requiring attention and conscious processing gets degraded. You're less smart, less creative, less attentive, more distracted. Probably more irritable too (mood/emotion regulation someti... | [] | [] | [
[]
] | ||
28nrhx | where does the common heart symbol come from? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/28nrhx/eli5_where_does_the_common_heart_symbol_come_from/ | {
"a_id": [
"cico05c",
"cicpfpy"
],
"score": [
4,
3
],
"text": [
"it is the shape of an woman's behind when she's bent over.",
"n European traditional art and folklore, the heart symbol is drawn in a stylized shape. This shape is typically coloured red, suggesting both blood and, in ma... | [] | [] | [
[],
[]
] | ||
4ttat8 | how does water come out of the tap as soon as you turn it on? | How does it come out so suddenly? Wouldn't the water have the travel from where it comes from all the way to the tap? Is there some sort of reservoir beneath the tap? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4ttat8/eli5_how_does_water_come_out_of_the_tap_as_soon/ | {
"a_id": [
"d5k2kx4",
"d5k4qb0",
"d5k4sk1",
"d5k5n0p"
],
"score": [
46,
37,
3,
6
],
"text": [
"There's always water in the pipe. All the way to the water tower or whatever the source of your water pressure is. When you turn off your tap, that water that almost made it thro... | [] | [] | [
[],
[],
[],
[]
] | |
dvumqz | how come when your phone dies, you can constantly turn it on and itll show you a logo and then turn off again? is there another aspect to battery that powers basic function? if so, how long can you go until your phone is completely dead? | I can explain further if needed. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dvumqz/eli5_how_come_when_your_phone_dies_you_can/ | {
"a_id": [
"f7esac4"
],
"score": [
9
],
"text": [
"If the battery is run completely dead, it can't be recharged. The phone manufacturer knows this, and programs the phone to shut off before it gets ruined. When you restart it without recharging it first, it takes a little time for the circuitry... | [] | [] | [
[]
] | |
1zpkmw | the benefits of having a credit card | I don't understand why people get credit cards when you still have to pay interest at the end of the month. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1zpkmw/eli5_the_benefits_of_having_a_credit_card/ | {
"a_id": [
"cfvraec",
"cfvrdgc",
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"cfw2w4k",
"cfw74h0",
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"score": [
6,
188,
5,
32,
... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | |
b7psln | why are viral infections more common than bacterial infections? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b7psln/eli5_why_are_viral_infections_more_common_than/ | {
"a_id": [
"ejtexxm",
"ejvecsy"
],
"score": [
3,
2
],
"text": [
"Bacteria can grow on their own, so they can form colonies in the blood as themselves, not as infections within human cells. Viruses, on the other hand, have to hijack human cells in order to create more viruses. This means... | [] | [] | [
[],
[]
] | ||
2cy8et | when and where did it become polite to tuck your shirt in? | People that work regular jobs have to wear a shirt tucked in (usually) at their offices and I was just wondering why this has become so common in today's society? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2cy8et/eli5_when_and_where_did_it_become_polite_to_tuck/ | {
"a_id": [
"cjk86bu"
],
"score": [
9
],
"text": [
"Because as they were originally made, shirts were quite long. As men back then did not wear underwear, the long hem of the shirt it tucked into the pants and between the legs to serve as an impromptu underwear. Also, back before the Regency Era, ... | [] | [] | [
[]
] | |
70o3dr | so cells divide and create new ones. but eventually, after many repetitions, something in the cell division decays until we die. that's why we age and why we die. how come the same process of cell decay doesn't seem to apply when we are reproducing? | Even after hundreds of thousands of iterations of having children, how come that very process doesn't decay like individual cell reproduction does in the human body? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/70o3dr/eli5so_cells_divide_and_create_new_ones_but/ | {
"a_id": [
"dn4mu0y",
"dn4n19p",
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"dn53fk8",
"dn548g0",
"dn55oy7",
"dn55v7n",
"dn5fenp",
"dn5fq9c",
"d... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Transposable_element",
"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4991928/"
],
[],
[],
[],
[
"https://en.wikipedia.org/wiki/Telomere#Shortening",
"https://en.wikipedia.org/wiki/Hayflick_limit",
"http://www.thelancet.com/journals/lancet/article/PIIS01... | |
4ewbjd | why is incest such a big taboo even for the most open minded person? in the future, is it possible that we would be more accepting of it, like we do with same sex relationships? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4ewbjd/eli5_why_is_incest_such_a_big_taboo_even_for_the/ | {
"a_id": [
"d23vbar"
],
"score": [
7
],
"text": [
"Most people aren't sexually attracted to people their brain considers close family as an inbuilt protection against incest causing undesirable genetics. \n\nSo most people live assuming that close family members don't have any sexual interest in ... | [] | [] | [
[]
] | ||
3vnp01 | discovery of dark matter | In astrophysics, how did/do scientists accurately measure the mass and gravity of distant galaxies to find a consistent missing variable (dark matter)? I.e. the method, not the math. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3vnp01/eli5_discovery_of_dark_matter/ | {
"a_id": [
"cxp4bsd"
],
"score": [
3
],
"text": [
"Dark matter is the oldest unsolved mystery in astrophysics, and remains unsolved. We can look at distant objects in the night sky and estimate their mass by counting stars and measuring their brightness. We can even estimate black holes based on ... | [] | [] | [
[]
] | |
2bqyzj | should you avoid taking a medicine if possible? do you build a tolerance to a medicine? can medicines be bad for you in 'long term'? | I will use Aspirin as an example, but I am asking in general, can medicines be 'really' bad for you other than the side effects?
If I try to take an Aspirin for a mild headache I have, my parents will tell me not to take Aspirin if you don't have to because:
"You should not take any it if you don't have to because yo... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2bqyzj/eli5_should_you_avoid_taking_a_medicine_if/ | {
"a_id": [
"cj81ilx",
"cj81lar"
],
"score": [
2,
3
],
"text": [
"If that's precisely what they're saying, they're feeding you inaccurate information. They're taking facts in some cases and making it seem like those facts apply to all cases, and some of the things they're saying could actu... | [] | [] | [
[],
[]
] | |
11p8ui | why do i need 100$ to live per day, but people in 3rd world countries can live off 1-2$ per day? | (I know this may sound priviledged/entitled/racist, maybe it's awkwardly phrased, whatever) People in the 3rd world live off a few dollars per day, why can't I? And don't tell me it's because the cost of living is lower in the third world - why is it lower? What makes a loaf of bread worth 3-4$ here, but just a few cen... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/11p8ui/eli5_why_do_i_need_100_to_live_per_day_but_people/ | {
"a_id": [
"c6oeiji",
"c6ofy77",
"c6ogq7r",
"c6okeqs",
"c6qpumm"
],
"score": [
2,
5,
3,
2,
2
],
"text": [
"The difference is in the relative strength of the US dollar vs local currency. Same reason some factory workers in China get like $18 a day.",
"The proble... | [] | [] | [
[],
[],
[],
[],
[]
] | |
2vuatx | i went to bed yesterday weighting 88.7kg and woke up weighting 87.9kg. where did the 0.8kg go? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2vuatx/eli5i_went_to_bed_yesterday_weighting_887kg_and/ | {
"a_id": [
"cokzh47",
"cokzh8i",
"col0qwz"
],
"score": [
3,
3,
6
],
"text": [
"You breathed the weight out as carbon dioxide (that came from your cells burning food for energy) and you would also lose a small amount of water through breathing water vapor and sweating.",
"You s... | [] | [] | [
[],
[],
[]
] | ||
3ime9c | my buddies and i have been calling vemma a pyramid scheme for years. how is it that this is just coming to light now? what else could it have possibly been, and why did it take so long to prove that it was an illegal scheme? | For those of you who are unaware, Vemma is a company that sold energy drinks, nutritional beverages and weight management products primarily via students on college campuses. They gained interest by promising a high-class lifestyle for those who were able to generate large sales volumes.
_URL_0_
_URL_1_ | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3ime9c/eli5_my_buddies_and_i_have_been_calling_vemma_a/ | {
"a_id": [
"cuho7aq"
],
"score": [
9
],
"text": [
"It billed itself as a multi-level marketing organization. MLM businesses are perfectly legal - they are selling a product and it is expected that the front line salespeople make their money selling that product. So long as that is the primary s... | [] | [
"https://en.wikipedia.org/wiki/Vemma",
"http://www.bloomberg.com/news/articles/2015-08-27/energy-drink-company-accused-of-preying-on-students-is-ordered-to-close"
] | [
[]
] | |
7yyg52 | why did human intercourse change to 'missionary position' instead of 'doggy style' when mating? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7yyg52/eli5_why_did_human_intercourse_change_to/ | {
"a_id": [
"duk1wjw"
],
"score": [
3
],
"text": [
"Humans happen to reproduce in all sorts of positions. There's nothing special about missionary."
]
} | [] | [] | [
[]
] | ||
1uzix2 | why are my veins "deep" and hard to find? (not seeking medical advice! just an explanation) | I am extremely afraid of veins and things contacting them, such as needles (although I am not afraid of blood or needles injected into "safe zones") so when I went for blood work yesterday and the nurse tried three times before giving up I can't express what a terrifying experience it was for me. She said my veins are ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1uzix2/eli5_why_are_my_veins_deep_and_hard_to_find_not/ | {
"a_id": [
"cen6txo",
"cen7v9c"
],
"score": [
2,
2
],
"text": [
"to make it harder for you to pick up a heroin addiction",
"I'm not sure what makes them deep, but I suspect the darkening of your vision may have been a blood pressure response to the stress of being poked and prodded. "... | [] | [] | [
[],
[]
] | |
56vejt | why do asian languages utilize symbols instead of 'letters'? do these languages have a similar root the same way english and spanish derive from latin? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/56vejt/eli5_why_do_asian_languages_utilize_symbols/ | {
"a_id": [
"d8mo64p",
"d8mqrva"
],
"score": [
2,
6
],
"text": [
"Yes, they use Chinese or Chinese-derived characters... Japan actually calls them, \"Kanji\" which means, \"Han Characters\", which in turn basically means, \"Chinese Characters\". ",
"Only Chinese and Japanese use (mostl... | [] | [] | [
[],
[]
] | ||
1pc2kl | why are we judged by a jury of our peers, as opposed to specialists (crime scene investigators, etc.) who may be more qualified to evaluate evidence and deduce, based on their experience/knowledge, whether someone is innocent or guilty? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1pc2kl/eli5_why_are_we_judged_by_a_jury_of_our_peers_as/ | {
"a_id": [
"cd0ukue"
],
"score": [
11
],
"text": [
"Ultimately to remove the influence of the government from that part of the process. It's you against the government in criminal proceedings, so a jury comprised of members of the gov apparatus or licensed by the gov makes for some questions reg... | [] | [] | [
[]
] | ||
3b0avy | how did the notes "do, re, mi, fa, so, la, ti, do" get their names? are these just part of a word but cut off, or..? | As title says. They don't even sound like words from a language I don't know, so I don't even know what they technically are. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3b0avy/eli5_how_did_the_notes_do_re_mi_fa_so_la_ti_do/ | {
"a_id": [
"cshneio"
],
"score": [
4
],
"text": [
"The names were taken from the first verse of the Latin hymn Ut queant laxis, where the syllables fall on their corresponding place on the scale (the Do and Ti were added later to round out the scale):\n\n\nut queant laxīs, REsonāre fībrīs\n... | [] | [] | [
[]
] | |
2gz1mm | what would actually happen if an airplane's engine failed mid-flight? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2gz1mm/eli5_what_would_actually_happen_if_an_airplanes/ | {
"a_id": [
"cknsitx",
"cknt2pl",
"cknt58e"
],
"score": [
4,
2,
2
],
"text": [
"Depends on the plane. If it's a commercial jet they probably have multiple engines in which they can continue flying. If both or all engines failed a commercial airline would still be able to glide for ... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Gimli_Glider",
"https://en.wikipedia.org/wiki/US_Airways_Flight_1549"
],
[]
] | ||
b4v40d | how do rubber bands get that distinctive scent? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b4v40d/eli5_how_do_rubber_bands_get_that_distinctive/ | {
"a_id": [
"ej9crw3"
],
"score": [
12
],
"text": [
"I believe you are talking about the smell that rubber has. If you ever smell a rubber tree it smells like that just stronger."
]
} | [] | [] | [
[]
] | ||
2b5ixy | when a plane breaks up at 30,000 feet what happens to the human body, and how fast? | When Payne Stewart's plane depressurized, supposedly everyone died instantly but the plane did not break up. I have read on MH17 that people could be alive while they fell. I have also read about people surviving falls from broken up planes. Can someone explain what happens, what the differences are from a pressurizati... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2b5ixy/eli5_when_a_plane_breaks_up_at_30000_feet_what/ | {
"a_id": [
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],
"score": [
80,
25,
10,
15,
3,
5,
7,
3
],
"text": [
"At 30,000 feet you have about 1 to 3 minutes of useful consciousness, and more like 30 s... | [] | [] | [
[],
[],
[],
[
"http://en.wikipedia.org/wiki/Free_fall",
"http://www.reddit.com/r/technology/comments/2b2cmk/the_likely_missile_system_that_shot_down/"
],
[
"http://en.m.wikipedia.org/wiki/Vesna_Vulovi%C4%87"
],
[],
[],
[]
] | |
2s8ali | arduino...what is is, why is it popular, what can you do with it?? | I have read somewhat but I am somehow still struggling to understand. So I need someone to explain it to me like I am five.
I know it is a microcontroller...but what does that mean? I am in school for Industrial Instrumentation and when we talk about controllers they are things that take inputs and generate outputs b... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2s8ali/eli5_arduinowhat_is_is_why_is_it_popular_what_can/ | {
"a_id": [
"cnn2sav"
],
"score": [
3
],
"text": [
"You're pretty spot on. Think of it like a little computer that's dirt cheap. It's popular because of the support it has from the community around it, various manufacturers produce parts that expand its capabilities, and most importantly its incre... | [] | [] | [
[]
] | |
67bcb5 | political parties | I'm quite interested in politics and I have followed elections, internationally, for a while but the thing that holds me back from really getting interested is the parties. Specifically their beliefs. I'm from Ireland and I don't expect anyone out there to be able to explain our current parties beliefs but if you can, ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/67bcb5/eli5_political_parties/ | {
"a_id": [
"dgp3n1h",
"dgplx5v"
],
"score": [
5,
2
],
"text": [
"Not really clued in to Irish politics, I'm afraid, but left-wing/right-wing parties generally follow these basic ideologies:\n\nLeft-wing parties generally favour government-controlled services, which generally means higher ... | [] | [] | [
[],
[]
] | |
4340hx | the situation over federal land in oregon? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4340hx/eli5_the_situation_over_federal_land_in_oregon/ | {
"a_id": [
"czfblel",
"czfcxnl"
],
"score": [
8,
2
],
"text": [
"So a lot of land out west is owned by the federal government. I mean huge chunks. \n\nStill, people use these chunks of land with permission for all sorts of things. Oil and grass drilling is one. Grazing cattle is another o... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Bundy_standoff",
"https://popehat.com/2016/01/04/what-happened-in-the-hammond-sentencing-in-oregon-a-lawsplainer/"
]
] | ||
3gcauy | how is donald trump even being considered as a presidential candidate even with all the controversy surrounding his public comments. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3gcauy/eli5_how_is_donald_trump_even_being_considered_as/ | {
"a_id": [
"ctwsfk6",
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"ctwwron",
"ctwx23q",
"ctwx7oq",
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2wrywh | if a glass is clear and water is clear, why can you see water in a glass? | I mean, it's not like there are shades of clear. Why can't we see air either? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2wrywh/eli5_if_a_glass_is_clear_and_water_is_clear_why/ | {
"a_id": [
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"All of these transparent things refract and reflect light in different ways. Water in the oceans is also pretty colored compared to like tap water, but even if it wasn't, we'd be able to see it because... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/Mirage#Heat_haze"
]
] | |
1mt2r4 | why do gas price shoot up at the pump immediately when oil prices rise? shouldn't it take months before that oil is refined and made into gasoline? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1mt2r4/eli5_why_do_gas_price_shoot_up_at_the_pump/ | {
"a_id": [
"cccfa74",
"cccgrav"
],
"score": [
2,
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],
"text": [
"Selling gas has a pretty low profit margin. Gas stations bump up price quickly so they know they'll have the money to pay for gas next week.",
"You are paying for the station owner to replace what they have in stock toda... | [] | [] | [
[],
[]
] | ||
1zt57o | why don't the coils of an electric stove shock me if i touch them while turned on? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1zt57o/eli5_why_dont_the_coils_of_an_electric_stove/ | {
"a_id": [
"cfwpdlg",
"cfwwht9"
],
"score": [
14,
3
],
"text": [
"Electricity isn't passing through the part that you can touch. There's an internal copper coil that the electricity passes through. It's surrounded by an insulator (an electric insulator, but not a heat insulator), which ... | [] | [] | [
[
"http://www.appliance411.com/faq/element-cross-section.gif"
],
[]
] | ||
1e6358 | how apartments work in urban environments. | I'm in Hoboken NJ and I'm looking at apartments for when I graduate college and I'm kinda confused as to how they work. What's included in rent, how do you pay rent, what's a normal price for an apartment, what payments are involved in them, how do pets work, ect. ect. I know some of these change based upon what apartm... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1e6358/eli5_how_apartments_work_in_urban_environments/ | {
"a_id": [
"c9x4tf4",
"c9x50l1"
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"score": [
3,
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],
"text": [
" > What's included in rent\n\nIt varies depending upon the person renting the apartment. I think it's really nice when everything is included so you don't have to worry about using utilities. But sewer, water and trash are t... | [] | [] | [
[],
[]
] | |
4kz9b3 | why do people die on everest even with supplemental oxygen | In the last few days there's been reports of at least two climbers dying of "altitude sickness" on everest. My question is, shouldn't the bottled oxygen negate this? is the Oxygen they take not enough, or is there more to it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4kz9b3/eli5_why_do_people_die_on_everest_even_with/ | {
"a_id": [
"d3j2l3g"
],
"score": [
6
],
"text": [
"Bottled oxygen increases the percentage of oxygen in the air you breathe, it does not increase pressure.\n\nIt's like bottled oxygen allows you to eat a bigger slice of the pizza, but because of the altitude the size of the pizza has been drastic... | [] | [] | [
[]
] | |
4rzg51 | why does it seem that every kid has a food allergy these days? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4rzg51/eli5_why_does_it_seem_that_every_kid_has_a_food/ | {
"a_id": [
"d55d5zh"
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"score": [
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"text": [
"There's quite a few factors to count. \n\nFirst is genetics; you're more likely to be allergic to something if your parents are also allergic. So with more people breeding than ever before, you'll have more kids with allergies. \n\nSecondly is fo... | [] | [] | [
[]
] | ||
468vtm | why indigenous women in canada have been murdered or gone missing at such a high rate? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/468vtm/eli5_why_indigenous_women_in_canada_have_been/ | {
"a_id": [
"d038ojy",
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"score": [
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161,
7,
22,
9,
4,
10,
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"text": [
"Members of some populations often are at high risk of violent cri... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Missing_white_woman_syndrome",
"https://en.wikipedia.org/wiki/Highway_of_Tears_murders"
],
[],
[
"http://www.aadnc-aandc.gc.ca/eng/1448633299414/1448633350146"
],
[],
[],
[],
[],
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[]
] | ||
6djnn3 | is the buoyancy of air in a vessel affected only by volume? | For example, if I were to open a 500cc syringe at sea level (for one atmosphere of pressure) then cap it, would it lose buoyancy if the starting volume were compressed? (For the sake of this question, the syringe itself has neutral buoyancy and is only affected by the contents inside.) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6djnn3/eli5is_the_buoyancy_of_air_in_a_vessel_affected/ | {
"a_id": [
"di3dxbt",
"di3nwzw"
],
"score": [
2,
2
],
"text": [
"Buoyancy is based on density. Density is defined as mass per volume. Taking the same amount of mass and decreasing the volume, aka compressing it, increases the density. Things that are less dense float in things that are mo... | [] | [] | [
[],
[]
] | |
57hvem | why do some people lack the ability to explain things simply? expecially if they are knowledgable. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/57hvem/eli5_why_do_some_people_lack_the_ability_to/ | {
"a_id": [
"d8s395q",
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"d8s4cn8",
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"score": [
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2,
3,
3,
2,
2
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"text": [
"It's hard to say if it's the same for everyone , however I'm awful at explaining things simply so I can tell you where I struggle. \nThe... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | ||
64uqnu | why does a passenger getting dragged off an airline warrant about 100 reddit threads and much social media rage, but a teacher and an 8-year-old getting shot in a school barely warrants a blip? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/64uqnu/eli5_why_does_a_passenger_getting_dragged_off_an/ | {
"a_id": [
"dg55s3m"
],
"score": [
2
],
"text": [
"First ask yourself which happens more often. Next ask yourself which might actually lead to a change as a result of outrage."
]
} | [] | [] | [
[]
] | ||
5gvr0n | why does a small change in step height cause people to trip? what is going on in the human brain and/or body that leads to this? | I read somewhere that a small change in step height is enough to cause people to trip. Why is this? I'm interested in an explanation as to why this happens (any scientists/doctors out there?), and what is going on in the brain and/or body that leads to this.
I can't find that article anymore but I seem to remember it... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5gvr0n/eli5_why_does_a_small_change_in_step_height_cause/ | {
"a_id": [
"davgvc9"
],
"score": [
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"text": [
"These are good answers (because your brain is used to it), but let's go a little deeper. What it really comes down to is proprioception. That's one of the extra senses your body has beyond the 5 physical ones you generally think of. It's your sen... | [] | [] | [
[
"http://naturalrunningcenter.com/2012/12/12/small-step-man/"
]
] | |
3302r5 | how can i swat a fly with all my might, yet it still comes back to annoy me? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3302r5/eli5_how_can_i_swat_a_fly_with_all_my_might_yet/ | {
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"score": [
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"text": [
"You are using the wrong technique, boy. Might will not rid you of the fly. You need speed, agility and intelligence. You don't need to crush the fly, you need to capture him. Flies... | [] | [] | [
[],
[],
[],
[]
] | ||
80xikb | is advanced mathematics used for biological research? | I know that math is used in biological studies, but is advanced mathematics used? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/80xikb/eli5_is_advanced_mathematics_used_for_biological/ | {
"a_id": [
"duyuuhx",
"duyw0k7",
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"score": [
3,
2,
3
],
"text": [
"Depends on what you mean by \"advanced\" mathematics. Depending on the field, biologists use algebra, geometry, trigonometry, calculus, and statistics.",
"Certainly, in some studies. Calculus and di... | [] | [] | [
[],
[],
[]
] | |
1xzwol | why am i unable to gain weight even by eating fastfood? | I am a 16 year old boy and I have been trying to gain some weight by eating more but I stay really skinny.
I am so skinny you can see my bones in belly poke out and my arms are really thin (like 3 small fingers is the width).
I'm getting depressed by it cause it really doesn't look good.
I would like to know why I am... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1xzwol/why_am_i_unable_to_gain_weight_even_by_eating/ | {
"a_id": [
"cfg3o54",
"cfg3tbt",
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"score": [
3,
2,
2
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"text": [
"You burn more calories than you can take in, daily. Some skinny guys take this as a blessing (\"I can eat all I want and not get fat!\") but the truth is it's either 1) They have small appetites or 2) T... | [] | [] | [
[
"http://www.gnc.com/Optimum-Nutrition-Serious-Mass-Chocolate/product.jsp?productId=2134057"
],
[],
[]
] | |
1iedtv | why does american fuel have less octane than european fuel? aren't we driving sort of the same models that should require the same kind of fuel? | e.g. I live in Germany and our *Premium* fuel has 100 octane, regular has 95. Amercian gas stations I've seen sold gas with anything between 89 and 93 octane (which was considered *Premium*)
What's the reason for this?
/edit: An answer has been provided, see [tracingspirals](_URL_1_)' or [fanofdisco2](_URL_0_)'s resp... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1iedtv/eli5_why_does_american_fuel_have_less_octane_than/ | {
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"text": [
"ITT: tons of people act like they know what they're talking about. \n\nOctane is a measure of a fuel's resistance to burn. Higher octane gas does not conta... | [] | [
"http://www.reddit.com/r/explainlikeimfive/comments/1iedtv/eli5_why_does_american_fuel_have_less_octane_than/cb3nqqe",
"http://www.reddit.com/r/explainlikeimfive/comments/1iedtv/eli5_why_does_american_fuel_have_less_octane_than/cb3p4nw"
] | [
[],
[
"http://www.youtube.com/watch?v=cfhTTuxF6Mk"
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[],
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78pyek | why is it so difficult to institute free healthcare and college tuition in the us? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/78pyek/eli5_why_is_it_so_difficult_to_institute_free/ | {
"a_id": [
"dovq1t7"
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"score": [
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"text": [
"It requires roughly 2/3 of congress, and the president to agree on exactly how to implement it and who pays for it. This would be easily the largest and most transformative bill in the history of the United States, and we're as polarized as we've... | [] | [] | [
[]
] | ||
ev8pc1 | if temperature is just a measure of the movement of molecules in a substance, why is kelvin one of the base si units and not derived from distance or time? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ev8pc1/eli5_if_temperature_is_just_a_measure_of_the/ | {
"a_id": [
"ffu43cy"
],
"score": [
4
],
"text": [
"It is. \n\nJust as the definition of the meter has changed over time, so has the definition of Kelvin. While the Kelvin was originally defined strictly in terms of other temperatures, it is now defined in a very not ELI5 manner:\n\n ... by fix... | [] | [] | [
[]
] | ||
1p2ncy | how can scientists have discovered a galaxy 30 billion light years away if the universe is only 13.3 billion years old and nothing travels faster than light? | Here's the news story: _URL_0_ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1p2ncy/eli5_how_can_scientists_have_discovered_a_galaxy/ | {
"a_id": [
"ccy3wqm",
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"score": [
4,
2,
9
],
"text": [
"The speed of light is only a law in the universe, it does not govern the speed of the expansion of the universe itself. ",
"The light from the galaxy traveled 13.1 billion years to reach us. During ... | [] | [
"http://www.bbc.co.uk/news/science-environment-24637890"
] | [
[],
[],
[]
] | |
2kqudt | why are gemstones used in mechanical watches? | Friction / Wear ? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2kqudt/eli5_why_are_gemstones_used_in_mechanical_watches/ | {
"a_id": [
"clnusiv"
],
"score": [
23
],
"text": [
"They are used as bearing material. It is practically impossible to make a bearing that small, so the gear and spring shafts are rotating in a torus (donut) shaped jewel. The jewel is a very hard material so can last without wear for many years. ... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Jewel_bearing"
]
] | |
67nzpy | why does food help you sober up? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/67nzpy/eli5why_does_food_help_you_sober_up/ | {
"a_id": [
"dgru0uj"
],
"score": [
2
],
"text": [
"I believe it absorbs the remaining alcohol. doesn't really sober you up, but stops you from getting drunker lol"
]
} | [] | [] | [
[]
] | ||
2f2h90 | i can understand why a helicopters rotars make it go up but what makes it go forward so fast? | How can the same rotars allow a helicopter go up and forward simultaneously? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2f2h90/eli5i_can_understand_why_a_helicopters_rotars/ | {
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"score": [
2,
25,
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"text": [
"It happens because the helicopter tips forward. The thrust generated by the blades is always orthogonal (perpendicular) to the plane which contains the blades. Therefore, when i... | [] | [] | [
[
"http://imgur.com/BV6LBms"
],
[],
[],
[]
] | |
5hsjjc | why does the president need a daily intelligence briefing unless something big is happening? | That really seems like something you'd need 'when it's needed', as opposed to a set regimen of reviews. What am I missing about it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5hsjjc/eli5_why_does_the_president_need_a_daily/ | {
"a_id": [
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"db2m3r2",
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"score": [
2,
4,
11,
3,
5,
2
],
"text": [
"Something big is always happening all over the world.",
"First of all, it's not just in case of disaster. At any given moment ther... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | |
1a73la | explain like i'm 5: metagaming and metagaming analysis in video games. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1a73la/explain_like_im_5_metagaming_and_metagaming/ | {
"a_id": [
"c8updtu",
"c8urpxa"
],
"score": [
9,
4
],
"text": [
"Let's say arm wrestling was a competitive high school sport. An arm wrestling team consists of 3 players (an 17 year old a 16 year old and a 15 year old). During a dual meet (when two high schools play each other) the high s... | [] | [] | [
[],
[]
] | ||
37s085 | if we stopped moving through space, would we stop moving through time (i.e. stop aging or growing)? | My knowledge of space-time is incredibly limited, but if I understand it as being a fabric made of a combination of both space and time, I realize that we can travel through time by traveling through space, but could we STOP traveling through time if we stopped traveling through space? Hypothetically. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/37s085/eli5_if_we_stopped_moving_through_space_would_we/ | {
"a_id": [
"crpd7xa"
],
"score": [
3
],
"text": [
"As far as you're concerned, you already aren't moving through space. Everything else is moving around you.\n\nRelativity means that movement only makes sense when compared to the movement of other things.\n\nIf something else is completely still ... | [] | [] | [
[]
] | |
3yiumf | do head of states/goverments have to go through customt and/or have to show their passport when going to another country? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3yiumf/eli5_do_head_of_statesgoverments_have_to_go/ | {
"a_id": [
"cydtip5",
"cydz2kn",
"cye338n",
"cye4gpk",
"cyeowsw"
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"score": [
10,
65,
9,
3,
3
],
"text": [
"Do they have to pass through customs and have a passport? Varies by country, but generally yes. \nAre they subject to inspection, interrogation, and gene... | [] | [] | [
[],
[],
[
"http://www.royal.gov.uk/FrequentlyAskedQuestions/20%20most%20asked%20questions.aspx"
],
[],
[]
] | ||
4dvs3k | how is the stomach our "second brain"? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4dvs3k/eli5_how_is_the_stomach_our_second_brain/ | {
"a_id": [
"d1ur7mj",
"d1uruzi"
],
"score": [
7,
4
],
"text": [
"There are lots of nerve cells around your stomach (and the rest of your digestive system). These are the same kinds of cells that do the thinking in your brain.\n\nIn fact, there are about the same number of nerve cells arou... | [] | [] | [
[],
[]
] | ||
7a5vtu | how does a computer read a cd or dvd and extract the appropriate content? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7a5vtu/eli5_how_does_a_computer_read_a_cd_or_dvd_and/ | {
"a_id": [
"dp7crwz",
"dp7earp"
],
"score": [
6,
2
],
"text": [
"The disc is spun and below it is a laser mounted on a track that moves back and forth so it can be pointed at any point on the disc as it passes over. \n\nWhen the laser hits the disc the light is reflected back and there is... | [] | [] | [
[],
[]
] | ||
f6xrxg | why does your vision get blurry after an optometrist visit but not while under the influence of drugs? | To be a little clearer, when you get the eye drops from an optometrist it causes your pupils to dilate. When I did a google search the only answer that showed up is that your vision gets blurry because dilated pupils let more light in. Yet if you take LSD, MDMA, Cocaine etc. it also causes your pupils to dilate, yet pe... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f6xrxg/eli5_why_does_your_vision_get_blurry_after_an/ | {
"a_id": [
"fi7pkwt",
"fiavn3u"
],
"score": [
4,
2
],
"text": [
"Under drugs, you still have the ability for your corneas to adjust to differing light and focus on different distances.\n\nThose eyedrops, at a basic level, inhibit dilation and contraction which screws focus.\n\nIn simple ... | [] | [] | [
[],
[]
] | |
18fvmx | how does "slingshotting" around a planet or star work? it seems like entering the body's gravity well would require you to expend additional energy to escape it again... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/18fvmx/how_does_slingshotting_around_a_planet_or_star/ | {
"a_id": [
"c8efvtg",
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"c8eh3t3",
"c8eizv4",
"c8enra8"
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"score": [
15,
208,
2,
2,
2
],
"text": [
"To understand gravity assist, it's important to look at velocities relative to the Sun and the planet you're using for the gravity assist at the same time.... | [] | [] | [
[
"http://voyager.jpl.nasa.gov/science/hyperbolic.html",
"http://en.wikipedia.org/wiki/File:Voyager_Path.svg",
"http://en.wikipedia.org/wiki/File:Gravitational_slingshot.svg"
],
[],
[],
[],
[
"http://www.youtube.com/watch?v=KPLDAyICq2Y"
]
] | ||
7qohx4 | the differences between suni, shia, and kurdish muslims in the middle east and the conflict(s) surrounding them. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7qohx4/eli5the_differences_between_suni_shia_and_kurdish/ | {
"a_id": [
"dsqp8aq"
],
"score": [
3
],
"text": [
"The Shia and Sunni are the two main branches of Islam, and concern the proper line of descent from Muhammad. The Sunni believe that the rightful heir was Abu Bakr, Muhammad's father-in-law, while the Shia believe it was Ali, Muhammad's son-in-law... | [] | [] | [
[]
] | ||
6f8kh1 | where does the dark color of liquids, like coffee, go before you expel them? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6f8kh1/eli5_where_does_the_dark_color_of_liquids_like/ | {
"a_id": [
"dig8rc6",
"dig9kwa"
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"score": [
2,
7
],
"text": [
"You're body uses them to supplement the immune system. \r\rThey're called bioflavonoid's, they're very effective when combined with certain antioxidants already present in your system. They have a lot of different uses in pl... | [] | [] | [
[],
[
"https://www.karger.com/Article/Pdf/46699"
]
] | ||
73u70z | why does stimulation of the prostate make the penis hard or ejaculate without directly touching the penis? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/73u70z/eli5_why_does_stimulation_of_the_prostate_make/ | {
"a_id": [
"dnt77zq"
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"score": [
6
],
"text": [
"The nerves in that area are all connected together. Bump nerves that go to the prostate and since they are connected to the same nerves in the penis the same pathways are activated. Since that is the sexy time pathway sexy time physiological rep... | [] | [] | [
[]
] |
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