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l0joa
insulin resistance
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/l0joa/eli5_insulin_resistance/
{ "a_id": [ "c2os09v", "c2os09v" ], "score": [ 2, 2 ], "text": [ "Insulin resistance is when the body cannot use insulin effectively. Insulin is needed to help control the amount of sugar in the body. As a result, blood sugar and fat levels rise.", "Insulin resistance is when the body ...
[]
[]
[ [], [] ]
1wx0ck
why do i need a special tv to watch movies/programs in 3d when movie theaters just project the pictures?
I'm not understanding the concept of how projection technology somehow can surpass standard LCD screens.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1wx0ck/why_do_i_need_a_special_tv_to_watch/
{ "a_id": [ "cf64gj4" ], "score": [ 7 ], "text": [ "To get 3D, you need a way to get different images to your left and right eyes.\n\nIn the movies theater, the projector sends circularly polarized light -- clockwise polarized for the image for one eye, counterclockwise polarized for the image for...
[]
[]
[ [] ]
67kv7g
why do we disassociate/depersonalize on shrooms/lsd?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/67kv7g/eli5_why_do_we_disassociatedepersonalize_on/
{ "a_id": [ "dgr6y27" ], "score": [ 6 ], "text": [ "I feel like that's a loaded question. I do shrooms often and I don't feel I disassociate on them. It's not delirium at all. It's clarity. I'm sure there's many that would disagree with me though. " ] }
[]
[]
[ [] ]
26iilk
if being gay is genetic, how come it has not been removed from the gene pool by natural selection?
Surely animals which are gay would not reproduce, and hence not pass on the gene for homosexuality, so is it down to genetics at all, or is there something else that determines sexuality?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/26iilk/eli5if_being_gay_is_genetic_how_come_it_has_not/
{ "a_id": [ "chrd85f", "chrd8hi", "chrd8ps", "chrd96p", "chrdcae", "chrdf4b", "chrdiiz", "chrdjlv", "chre6qi", "chre7d1", "chre9qo", "chrea8d", "chree5d", "chreefo", "chrejpd", "chrepk1", "chrepyk", "chreqre", "chrer50", "chrf0iu", "c...
[]
[]
[ [], [], [], [], [], [], [], [ "http://en.m.wikipedia.org/wiki/Biology_and_sexual_orientation" ], [], [], [], [], [], [], [], [], [ "https://www.youtube.com/watch?v=MHDCAllQgS0" ], [ "http://en.wikipedia.org/wiki/Fraternal_birth_order_and_male_sexual_orientation" ]...
k9w17
what a vector in terms of art is?
Not looking for info about the math/physics one. What is it? What do you do with it/how do you use it/how do you make one? Why is it called a vector?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/k9w17/eli5_what_a_vector_in_terms_of_art_is/
{ "a_id": [ "c2ikzy7", "c2il5ah", "c2ikzy7", "c2il5ah" ], "score": [ 4, 3, 4, 3 ], "text": [ "I think you mean vector graphics. Right?\n\nIt's just a way to save image files. Basically when you save an image using a vector graphics you save the mathematical equations that p...
[]
[]
[ [], [], [], [] ]
6bdtne
how can so many organs and everything that makes up the body come from a single cell when a baby is forming?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6bdtne/eli5_how_can_so_many_organs_and_everything_that/
{ "a_id": [ "dhlsrma" ], "score": [ 5 ], "text": [ "The same way ordinary plastic can be taken from a supplier, molded according to design plans, shaped into a Lego brick, and used with a bunch of other bricks to make the Millennium Falcon. The instructions are encoded in DNA, the mass is supplied...
[]
[]
[ [] ]
7mcxvy
why does your skin show your sun tan / burn so much more after you shower but not if you were to just jump in the pool?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7mcxvy/eli5_why_does_your_skin_show_your_sun_tan_burn_so/
{ "a_id": [ "drt23ly" ], "score": [ 4 ], "text": [ "When you shower, you scrub your skin with soap and a wash cloth or loofah or something similar. This exfoliates the top layer of skin, leaving the tanned layer underneath. You don't do quite as much scrubbing in the pool." ] }
[]
[]
[ [] ]
1ghjje
why can you only record a certain amount of shows on tv at one time?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1ghjje/eli5_why_can_you_only_record_a_certain_amount_of/
{ "a_id": [ "cakayya" ], "score": [ 2 ], "text": [ "Usually because the signal for each is encoded (\"modulated\") onto a carrier signal, and before storing it must be decoded (\"demodulated\") by a \"tuner\". Your DVR only has a fixed number of tuners. Storing the modulated signal would require a...
[]
[]
[ [] ]
c8stnn
how do social services such as snapchat allow you to save almost unlimited amounts of pictures and videos on the cloud. i could only imagine how many millions of people have thousands of things saved, where are these stored? how much space do they take up
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/c8stnn/eli5_how_do_social_services_such_as_snapchat/
{ "a_id": [ "espj0sn", "espj2pe" ], "score": [ 25, 4 ], "text": [ "Well, a picture is about 600 KB uncompressed. It can be compressed to around 116 KB without much issue. Let’s assume that there are 100 million people who you Snapchat, and each person uploads 5 thousand photos\n\n100,000,...
[]
[]
[ [], [] ]
elflkr
why is there such hesitance to anesthetize?
My friend recently had a kidney biopsy and they did it with her awake, like they numbed the area but it was really anxiety-inducing for her and was hard to deal with since she was awake. I know anesthesia takes a toll on the body, but if we can get our wisdom teeth taken out in 1 day and be considered outpatient why co...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/elflkr/eli5_why_is_there_such_hesitance_to_anesthetize/
{ "a_id": [ "fdhh4xo", "fdhh74c", "fdhhbea", "fdidq8p" ], "score": [ 5, 3, 2, 3 ], "text": [ "Some people react quite poorly to anaesthesia. If not administered correctly, you can be knocked out too deep and it's not unheard of to have people slip into comas during. \n\nThe...
[]
[]
[ [], [], [], [] ]
3p8r6g
why is iced coffee usually more expensive than hot coffee?
Examples: Mcdonald's, Starbucks - not asking about places with super special iced only brews.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3p8r6g/eli5why_is_iced_coffee_usually_more_expensive/
{ "a_id": [ "cw443k1", "cw48qj6", "cw48vhh", "cw4bmr8", "cw4cdaj", "cw4d2uj", "cw4d7av", "cw4dvq1", "cw4gcf3", "cw4h6j8", "cw4pqwt", "cw4r2kp", "cw4z607" ], "score": [ 205, 12, 29, 7, 2, 6, 2, 3, 3, 3, 2, 6, 2 ...
[]
[]
[ [], [], [], [], [], [], [], [], [], [], [], [], [] ]
10f3tf
why quadratic functions have two values for x
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/10f3tf/eli5_why_quadratic_functions_have_two_values_for_x/
{ "a_id": [ "c6cx0qp", "c6cx1pn", "c6cy4r0", "c6cyh27" ], "score": [ 2, 15, 3, 2 ], "text": [ "A quadratic equation is of the form ax^2 + bx + c = 0. I assume that by values you mean solutions to the equation, values of x for which the statement is true.\n\nIt turns out tha...
[]
[]
[ [ "http://www.mathsisfun.com/algebra/quadratic-equation-derivation.html", "http://en.wikipedia.org/wiki/Quadratic_formula#Derivations_of_the_quadratic_formula", "http://www.wolframalpha.com/input/?i=ax%5E2+%2B+bx+%2B+c+where+a+%3D+1%2C+b+%3D+2%2C+c+%3D+-3" ], [ "http://upload.wikimedia.org/wikip...
2dlrfs
why are the plastic bags for cherries and grapes in the produce section of the grocery store always open or poor quality?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2dlrfs/eli5_why_are_the_plastic_bags_for_cherries_and/
{ "a_id": [ "cjqpunq" ], "score": [ 3 ], "text": [ "Greater sales, less maintenance, and sanitation. \n\nMost of those bags, at least in my area, come with a zip-lock structure on the top that can be used to seal them. That little bit of 'extra' packaging usually stops people from pawing through t...
[]
[]
[ [] ]
4g09b0
why does satellite television require a dish to receive, but satellite radio doesn't?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4g09b0/eli5_why_does_satellite_television_require_a_dish/
{ "a_id": [ "d2didw9", "d2dqupp" ], "score": [ 5, 12 ], "text": [ "_URL_0_ \n \nVideo has a lot more data than < 128Kbps stereo audio, using the dish allows more data to be received. ", "The satellites are in different orbits.\n\nTV satellites are in geostationary orbit, so they app...
[]
[]
[ [ "http://www.rjmason.com/questions/Satellite_Dish.html" ], [] ]
19cjj0
where do current famous musicians (and record labels) get all their money from these days, when i don't know a soul who still buys music?
For some reason I was wondering today how Taylor Swift is so rich considering she only debuted a few years ago, in a time when her main demographic of young girls probably don't even go to record stores anymore.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/19cjj0/eli5_where_do_current_famous_musicians_and_record/
{ "a_id": [ "c8ms08j", "c8ms66z" ], "score": [ 2, 2 ], "text": [ "iTunes is wildly popular. Millions of people pay money for music though it. There is plenty of profit left in the music business. ", "well, major artists have lots of other funding sources (public appearances, endorsemen...
[]
[]
[ [], [] ]
4d46qe
why is it even though youtube has such a massive amount of videos does it have to constantly suggest videos i have already seen?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4d46qe/eli5_why_is_it_even_though_youtube_has_such_a/
{ "a_id": [ "d1nlaw2", "d1nlkb3" ], "score": [ 3, 9 ], "text": [ "The algorithms aren't perfect. Sure, there are billions of videos, but very few of them are relevant to what you're watching. If it's constantly suggesting watched videos, it's likely you've picked a very specific theme. If ...
[]
[]
[ [], [] ]
2fuofc
why are gas prices so much cheaper down south then north?
Well... title says it all. Is there a way for us Northerns to get cheaper gas?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2fuofc/eli5_why_are_gas_prices_so_much_cheaper_down/
{ "a_id": [ "ckcw7ak" ], "score": [ 3 ], "text": [ "Lots of oil refineries in texas and the south, so the cost of transporting the finished product is lower." ] }
[]
[]
[ [] ]
242w5s
for people who are multilingual, what determines the language they think/dream in?
Inspired by this [thread] (_URL_0_). Its the only question I had left after reading that. I'm gonna imagine it has to do with the language they are most familiar with but I'd be interested to know if there's any more to it. OBVIOUSLY THIS IS IN REGARDS TO PEOPLE WHO DO IN FACT THINK IN A GRAMMATICAL PROCESS.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/242w5s/eli5_for_people_who_are_multilingual_what/
{ "a_id": [ "ch31zd6", "ch32298", "ch331ef" ], "score": [ 5, 5, 5 ], "text": [ "depends on my mood. sometimes i think in chinese. sometimes in english. sometimes in klingon.", "The people, places, or situation in the dream. ", "English and German speaker here; for me it ...
[]
[ "http://www.reddit.com/r/explainlikeimfive/comments/23yon0/eli5_where_does_the_thought_voice_in_my_head_come/" ]
[ [], [], [] ]
4p5r9c
how does sql injection work and how can you prevent against it?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4p5r9c/eli5_how_does_sql_injection_work_and_how_can_you/
{ "a_id": [ "d4i7yib", "d4i8lvl" ], "score": [ 2, 21 ], "text": [ "Let's say you made a bad login page, and someone had to enter a password to enter your site.\n\nThe password from a textbox is stored in \"passwordInput\", and stuck into this query.\n\nSelect login where password = {passwo...
[]
[]
[ [], [ "https://xkcd.com/327/" ] ]
65s8q7
why is it that in the west women seem to have a million different options for formal clothing while men only have the suit and tie?
To use as an example, let's say you're watching the news or some sports cast, the male hosts always wear a suit and tie while female hosts have a new dress style every day. It's the same situation for every day real life formal events. Also, men are always covered up from arm and leg down. While women have the choice t...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/65s8q7/eli5_why_is_it_that_in_the_west_women_seem_to/
{ "a_id": [ "dgcubmf" ], "score": [ 16 ], "text": [ "If men's clothing sometimes seems almost military in its sameness, that's not a coincidence. The influence of military uniforms on civilian wear has traditionally been substantial, especially when mass conscription meant large percentages of men...
[]
[]
[ [] ]
bq7ahu
how do charging portals work that don’t have any actual contact between the metal in each device? how can energy be transferred through plastic cases on smart phones, the same way electronic toothbrushes just sit on a charging stand?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/bq7ahu/eli5_how_do_charging_portals_work_that_dont_have/
{ "a_id": [ "eo1uhfd" ], "score": [ 12 ], "text": [ "A whole lot in modern electronics won't make sense until you understand \"electrical induction\" and once you do the concept of wireless charging is obvious.\n\nElectricity flowing through a conductor will create a magnetic field around it. Simi...
[]
[]
[ [] ]
38rxii
why are chinese surnames names written first in english language writing?
if surnames and given names are functionally the same across cultures (one comes from your family one is given) doesn't it make sense to use the same convention in native language writing? i.e. write English speakers' surnames first in Chinese writing and vice versa in English writing?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/38rxii/eli5_why_are_chinese_surnames_names_written_first/
{ "a_id": [ "crxde7w", "crxdiqc" ], "score": [ 4, 2 ], "text": [ "Because family name first is the proper way their names are stated in their home country and the reporter is trying to be respectful and accurate.", "I think the problems lie in the middle name and the cultural baggage o...
[]
[]
[ [], [] ]
35fyq8
what are our internal organs made of and what separates them from each other?
For example, are the esophagus and stomach made of different "materials" and if so is there an abrupt change in the "material" or does it sort of transition from one organ to the next?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/35fyq8/eli5_what_are_our_internal_organs_made_of_and/
{ "a_id": [ "cr41kc8" ], "score": [ 2 ], "text": [ "Stuff is made of tissues.\n\nTissues are made of cells.\n\nOrgans are usually surrounded by epithelium, but the cells are specialized to do the function of the organ.\n\nThe lumen (inside) of the esophagus and stomach are both multi-layered epith...
[]
[]
[ [] ]
1jeg0d
in disinfectants what does the 99.99% not cover?
most disinfectant sprays and such say that it will kill 99.9% of germs, what is the other .01%? and why cant they be "killed"
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1jeg0d/eli5_in_disinfectants_what_does_the_9999_not_cover/
{ "a_id": [ "cbdulpu", "cbdumal", "cbduzvi", "cbe0krg", "cbe0nkq" ], "score": [ 7, 6, 3, 2, 2 ], "text": [ "While this claim is [misleading](_URL_0_) anyway, the remaining 0.1% are simply ones that 'got lucky' - they aren't necessarily super powerful or dangerous, t...
[]
[]
[ [ "http://boingboing.net/2009/12/18/what-kills-999-of-ge.html" ], [], [], [ "http://xkcd.com/1161/" ], [] ]
1n2yfz
why does reddit (and the rest of the internet, seemingly) love tesla so much and hate edison?
I understand the rivalry, but I've never quite understood why reddit and the rest of the internet so adamantly favor Tesla. Not saying it's undeserved, just curious the reason.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1n2yfz/eli5_why_does_reddit_and_the_rest_of_the_internet/
{ "a_id": [ "ccexubq", "ccexujg", "ccf306x" ], "score": [ 5, 2, 2 ], "text": [ "Tesla was superior in the actual art of electricity. Edison was ok-ish, but he was a better salesman than inventor. He used other peoples work and figured out how to sell it. He knew his stuff, but h...
[]
[]
[ [ "http://theoatmeal.com/comics/tesla" ], [], [ "http://en.wikipedia.org/wiki/War_of_Currents", "http://zz.reddit.com/r/explainlikeimfive/comments/1i14b2/eli5tesla_vs_edison/", "http://www.reddit.com/r/explainlikeimfive/comments/1n1xwx/eli5_the_internets_fascination_with_nikola_tesla/", "h...
3r2kke
how would a draft in the us work today in regards to which branch of military you'd be placed into and which skills are assessed for placement?
For example, I'm in my 30s and I have about 20 years of IT experience. Where would I be the most likely to go? A server room on an aircraft carrier? Or am I placed on the front line in the Army?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3r2kke/eli5_how_would_a_draft_in_the_us_work_today_in/
{ "a_id": [ "cwkc0sx", "cwkcdt4", "cwkerik" ], "score": [ 9, 2, 10 ], "text": [ "Historically, draft boards tried to place people based on their occupation and skills, but ultimately you had no say in it. One thing that's important to realize is that during the draft, a lot of peop...
[]
[]
[ [], [], [] ]
4cl21c
what exactly do pluto and charon orbit?
Pluto and Charon orbit a [binary point](_URL_1_). However, what exactly is in this binary point? What attracts these two planets? This is abstract to me. Is it because of Charon's gravity, or is there somehow a point in space that has a gravitational attraction? Additionally, how can they orbit both this binary po...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4cl21c/eli5_what_exactly_do_pluto_and_charon_orbit/
{ "a_id": [ "d1j3jmv", "d1j3osx", "d1j3rr3", "d1j3urs", "d1jfh5x" ], "score": [ 3, 2, 2, 2, 2 ], "text": [ "Their combined center of gravity is what they orbit. Because each has mass, each attracts the other. Many people think of orbits as one thing orbiting anoth...
[]
[ "https://www.youtube.com/watch?v=jJ1WlSNeKFg", "https://upload.wikimedia.org/wikipedia/commons/f/f2/Orbit2.gif" ]
[ [], [ "https://en.wikipedia.org/wiki/Barycenter", "https://media.licdn.com/mpr/mpr/p/3/005/06a/165/1a49d8e.jpg" ], [], [ "http://images.iop.org/objects/physicsweb/news/10/8/3/bulge.jpg", "http://www.softschools.com/math/calculus/images/finding_the_foci_of_an_ellipse_img_2.png" ], [] ]
2gp5g9
why aren't insects afraid of me?
Mosquitos and ants and wasp and bees and love bugs and spiders (not an insect, I know) etc... watch me kill a couple of their family but they still mess with me. I easily overpower and kill them. However, bears, snakes, feral cats, alligators, etc... Who could probably seriously hurt me, are afraid and run away! Why?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2gp5g9/eli5_why_arent_insects_afraid_of_me/
{ "a_id": [ "ckl89g2", "cklatab", "cklbf9k", "ckliha2", "ckljzbj" ], "score": [ 12, 2, 10, 3, 2 ], "text": [ "As to mosquitos, their live off the blood of larger animals, so by design they run the risk of being killed. They aren't social animals, so \"seeing\" other...
[]
[]
[ [], [], [], [], [] ]
63zfls
how "psychics", mediums and other frauds know specific personal information
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/63zfls/eli5_how_psychics_mediums_and_other_frauds_know/
{ "a_id": [ "dfy660c", "dfy6ket", "dfy72vo", "dfy7qw5", "dfy8pm8", "dfy9kr2", "dfy9sp7", "dfyaeth", "dfyali1", "dfyaoxn", "dfyasgl", "dfyash9", "dfyaw6j", "dfyazuu", "dfyb0fm", "dfyb9j4", "dfybf33", "dfybsfc", "dfybtwt", "dfyc0sm", "d...
[]
[]
[ [], [], [ "https://en.m.wikipedia.org/wiki/Peter_Popoff" ], [], [], [], [], [], [], [ "http://southpark.cc.com/clips/153776/the-other-side" ], [], [], [ "https://youtu.be/U8EqdUYqlpY" ], [], [], [ "http://skepdic.com/coldread.html", "http://sidewiseinsights.bl...
jx198
why do my fingers, wrist, etc. crack when i apply a little pressure to them?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/jx198/eli5_why_do_my_fingers_wrist_etc_crack_when_i/
{ "a_id": [ "c2fsvsx", "c2fswsj", "c2fsvsx", "c2fswsj" ], "score": [ 8, 2, 8, 2 ], "text": [ "All of the joints in your body are surrounded by fluid, stretching or bending the joints causes them to pull apart as you do the connective tissue around your joints is being stret...
[]
[]
[ [], [], [], [] ]
3dprmk
why do police officers typically use german shepherds? why do firemen typically use dalmatians?
When I think of a police dog, my mind automatically pictures a German shepherd, and when I think of a fire fighters dog, I automatically think of a Dalmatian. Maybe this is because of media influences, but is there any genetic characteristics that make these two types of dogs a go-to choice for firefighters and police ...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3dprmk/eli5_why_do_police_officers_typically_use_german/
{ "a_id": [ "ct7hkvg", "ct7hxpd" ], "score": [ 2, 5 ], "text": [ "German shepherds are known for being the smartest breed.\n\nDalmatians were bred to be working dogs and require lots of exercise.", "Back when fire-fighters used horse drawn carriages, they realised that dalmations could...
[]
[]
[ [], [] ]
8u6imx
why is it dangerous to bathe during a lightning storm if the water pipes are already buried underground?
In the off chance that the lightning does manage to hit the pipes, doesn't being underground mean they are grounded?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8u6imx/eli5why_is_it_dangerous_to_bathe_during_a/
{ "a_id": [ "e1d118h", "e1d1efm", "e1d22oi", "e1d9iwa" ], "score": [ 13, 12, 3, 2 ], "text": [ "\n\n\n\nThe pipes are grounded, but you are a really good conductor and closer to the ground. ", "The lightning strike will follow all possible paths in proportion to each p...
[]
[]
[ [], [], [], [] ]
ae6bio
why are some eu member states using different currencies?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ae6bio/eli5_why_are_some_eu_member_states_using/
{ "a_id": [ "edmpd0n", "edmq9dj", "edmqhq7", "edn33em", "ednkuas" ], "score": [ 7, 5, 3, 2, 2 ], "text": [ "Member states were allowed to determine for themselves whether they joined the *Eurozone* with the collective currency.\n\nMany did, some didn't. Criticisms w...
[]
[]
[ [], [], [], [], [] ]
2h81ld
why are people who cant drink milk called lactose intolerant but people who cant eat nuts called allergic to nuts?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2h81ld/eli5_why_are_people_who_cant_drink_milk_called/
{ "a_id": [ "ckq7he8", "ckq7hyd", "ckq7i1n" ], "score": [ 9, 2, 3 ], "text": [ "There are entirely different mechanisms at work. People who are lactose intolerant are not allergic to lactose. That is, the body does not cause an immune response to lactose. Instead, their body doe...
[]
[]
[ [], [], [] ]
fonhd3
who is qualified for the current stimulus package? how would it work?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/fonhd3/eli5_who_is_qualified_for_the_current_stimulus/
{ "a_id": [ "flg7qor" ], "score": [ 3 ], "text": [ "Will I have to return the money in taxes next year? Basically is this a loan from the government?" ] }
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[ [] ]
7eoloh
can radio waves be used for anything innovative?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7eoloh/eli5_can_radio_waves_be_used_for_anything/
{ "a_id": [ "dq6fu8y" ], "score": [ 2 ], "text": [ "In short, we can transmit information using radio waves. The higher the frequency of the radio wave we use as a \"carrier,\" the more bandwidth that is available to transmit more information. The more noise we can suppress on that bandwidth and t...
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[ [] ]
6zu5kc
do on/over ear headphones damage my ears less than in-ear?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6zu5kc/eli5_do_onover_ear_headphones_damage_my_ears_less/
{ "a_id": [ "dmy7vvq" ], "score": [ 2 ], "text": [ "The only true difference i can think of is In-ear headphones induce a lot of bacteria into the ear canal that over-ear headphones do not directly induce. Also, the amount of air pressure being pushed into the ear drum is much more confined by in ...
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[ [] ]
4ptcpx
when you undergo gender surgery, are you still biologically the original gender? why or why not?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4ptcpx/eli5_when_you_undergo_gender_surgery_are_you/
{ "a_id": [ "d4nobn5", "d4np390", "d4npf43" ], "score": [ 20, 3, 4 ], "text": [ "Yes. Your Chromosomes don't change. You will still need to take hormones the rest of your life to maintain your new gender.", "This is a very subjective and philosophical question with no answer th...
[]
[]
[ [], [ "http://www.nature.com/news/sex-redefined-1.16943", "http://www.isna.org/faq/conditions/ais", "http://www.telegraph.co.uk/science/2016/03/12/the-astonishing-village-where-little-girls-turn-into-boys-aged-1/", "https://ghr.nlm.nih.gov/condition/swyer-syndrome", "https://www.nlm.nih.gov/me...
14v6kn
what are all the different ways of measuring radiation?
I have a high-school-chemistry understanding of radiation, but I hear of a lot of different ways we use to measure it that makes me think there's probably more to it than I learned. I have heard of Rads, Curies, Sieverts, and I just learned of one today called a Becquerel. I know the basic process of radiation, so wh...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/14v6kn/eli5_what_are_all_the_different_ways_of_measuring/
{ "a_id": [ "c7gtj7l" ], "score": [ 3 ], "text": [ "The SI unit of absorbed dose is the gray (Gy). It measures the absorption of radiation in joules per kilogram matter. The rad measures the same thing, but it has fallen out of use. \n\nThe sievert (Sv) is the SI unit for measuring the biologic...
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[ [] ]
59v96t
is looking at the night sky equivalent to looking back in time. also, can distances in universe be measured in terms of time?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/59v96t/eli5_is_looking_at_the_night_sky_equivalent_to/
{ "a_id": [ "d9bktyw", "d9blyhn", "d9brwje" ], "score": [ 10, 2, 4 ], "text": [ "First question, Yes. \n\nSecond question, Yes, that's sort of what a light-year is (the distance light travels in one Earth year). \n\nSo if you look at a star that's 7000 light-years away, you're look...
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[]
[ [], [], [] ]
6lypr5
why do older women that had plastic surgeries on their faces look alike a lot?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6lypr5/eli5_why_do_older_women_that_had_plastic/
{ "a_id": [ "djxm5lf" ], "score": [ 3 ], "text": [ "A surgery does a specific thing\n\ndifferent people go to surgeons for the same surgery. The surgeon goes through the same general process of completing the surgery for each different person.\n\nWhen you compound this by having multiple of the s...
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[ [] ]
6ko3bq
after binge-watching kitchen nightmares episodes, why do health inspectors allow restaurants to continue to operate in such filthy conditions?
It never made sense to me when you see disgusting fridges and clearly rotten food being used in a restaurant. Why aren't they shut down for that?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6ko3bq/eli5_after_bingewatching_kitchen_nightmares/
{ "a_id": [ "djnhjzz", "djnmhht", "djnnuz7", "djno2dn", "djnoppp", "djnpe0z", "djnpfl2", "djnqidc", "djnshpt", "djnuwg1", "djnwfcl", "djnzxhy", "djnzz39", "djod1w9", "djoefnw" ], "score": [ 160, 4, 30, 44, 241, 5, 4, 5, ...
[]
[]
[ [], [], [], [], [], [ "http://a816-restaurantinspection.nyc.gov/RestaurantInspection/SearchBrowse.do" ], [], [], [], [], [], [], [], [], [] ]
9xaxpv
why do people go pale when they feel tired, ill, or shocked? how can it happen so quickly?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9xaxpv/eli5_why_do_people_go_pale_when_they_feel_tired/
{ "a_id": [ "e9qszjv", "e9qt4a4", "e9qwpx1" ], "score": [ 2, 3, 2 ], "text": [ "I believe it's the body's immune response to relocate blood to your vital organs in the event of trauma or shock, that would induce the 'pale' look. Blood circulates through the entire body in only a ma...
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[]
[ [], [], [] ]
6dco1m
how can a calculator have a solar panel to charge the battery but a smartphone can't?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6dco1m/eli5_how_can_a_calculator_have_a_solar_panel_to/
{ "a_id": [ "di1lqy8" ], "score": [ 2 ], "text": [ "Because the phone has a big battery that supports a big power drain. \n\nA calculator has a small battery and the calculator only has a small power drain. " ] }
[]
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[ [] ]
1pn0rj
the faa says passengers can now use electronic devices on airplanes. why were they banned in the first place?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1pn0rj/eli5_the_faa_says_passengers_can_now_use/
{ "a_id": [ "cd3y0ix", "cd3y3ra", "cd3y8m6", "cd3zoii", "cd405aj", "cd40l3s" ], "score": [ 14, 43, 5, 6, 3, 2 ], "text": [ "Four words: Better safe than sorry.", "They were banned because there weren't enough studies done to determine the effects.\n\nIt ...
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[]
[ [], [], [], [], [], [] ]
b5i463
how do cars in cruise control slow down on hills?
They don’t engage the brakes, they don’t use magnets, honestly I have no idea!
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/b5i463/eli5_how_do_cars_in_cruise_control_slow_down_on/
{ "a_id": [ "ejdm61e", "ejdm9e5" ], "score": [ 7, 6 ], "text": [ "They use [engine braking](_URL_0_). Airflow into the engine is restricted, creating a vaccuum that the pistons have to work against, slowing the car.", "Engine braking!\n\nIf you leave the transmission in gear, but feed ...
[]
[]
[ [ "https://en.wikipedia.org/wiki/Engine_braking" ], [ "https://www.youtube.com/watch?v=o8Cta2cC2Co" ] ]
qfqaz
the british monarchy. why is charles the prince of wales and not england? how do they get their titles?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/qfqaz/eli5_the_british_monarchy_why_is_charles_the/
{ "a_id": [ "c3x92xt", "c3x9k0c" ], "score": [ 7, 3 ], "text": [ "Traditionally the heir of the throne is called \"Prince of Wales\", it's just a title and doesn't have much to do with Wales nowadays. Titles in the royal family are granted by the queen, usually upon marriage (Prince Willia...
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[ [], [] ]
65ke9m
when you eat some bad food and you have diarrhea right away, does your body still absorb the calories from the food?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/65ke9m/eli5_when_you_eat_some_bad_food_and_you_have/
{ "a_id": [ "dgb1i9b" ], "score": [ 17 ], "text": [ "Diarrhea means for passes right through intestines, before they could break down and absorb energy from it.\n\nSo the answer is no. Very little to barely any energy absorbed from food and body loses lot of water and salts in process." ] }
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[ [] ]
2z0pnb
why is america running out of sodium pentobarbital for lethal injections? why can't some us chemical company just start making it?
Here's what I know. A Danish pharmaceutical company sells Nembutal which is the only injectable form of sodium pentobarbital approved for use in the US. I also realize this company [restricted sales to US states which use the drug for lethal injections.](_URL_0_) I don't understand why some US chemical company hasn't ...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2z0pnb/eli5_why_is_america_running_out_of_sodium/
{ "a_id": [ "cpeneir", "cpenp4g", "cpep9kh", "cpeplad", "cpeqbje", "cperpm7", "cpese1y", "cpeu9tk", "cpeuy9w", "cpeyp52", "cpf0vnr", "cpf25e6", "cpf2ncz", "cpf4g6g", "cpf5d1k" ], "score": [ 263, 13, 68, 45, 7, 11, 6, 4, ...
[]
[ "http://www.nytimes.com/2011/07/02/world/europe/02execute.html?_r=0" ]
[ [], [], [], [], [], [], [ "http://en.wikipedia.org/wiki/Hospira" ], [], [], [], [ "http://www.sigmaaldrich.com/catalog/product/sigma/p3636?lang=en&amp;region=US", "http://www.sigmaaldrich.com/catalog/product/sigma/l7007?lang=en&amp;region=US" ], [], [], [], [] ]
7ttov0
how do youtube mix music channels make money?
A lot of YouTube mixing channels put many ads and I don't understand why. All the music they play is copyrighted and copyrighted contents can't be used to monetize from the owner of the channel, so why do they put ads?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7ttov0/eli5_how_do_youtube_mix_music_channels_make_money/
{ "a_id": [ "dtf2x7a", "dtfg6qx" ], "score": [ 4, 2 ], "text": [ "Label force YouTube to add ads on videos with copyrighted content. Then, the user have the choice to keep the ads (all revenue go for the copyright, so you don't get any money) or to remove the video.", " > …so why do t...
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[]
[ [], [] ]
ecoxs6
when cia did horrible thing, why they document it? why they don't just destroy it secretly so it won't be declassified and revealed to the public in the future
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ecoxs6/eli5_when_cia_did_horrible_thing_why_they/
{ "a_id": [ "fbcvazm", "fbcvhep", "fbcvjyc" ], "score": [ 3, 19, 12 ], "text": [ "You've got to keep track of things so you know it's been done. People on the other side remember and the information is very useful for the future.\n\nif it's effective and you want to remember how it...
[]
[]
[ [], [], [] ]
1y2o8p
why is there a variation in the most efficient way people learn? (i.e. visual, auditory, kinesthetic learners)
Since grade school, I've heard about people learning better when they see something done, when they hear something being said, or when they physically do something. On a very defined level, why does this variation exist?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1y2o8p/eli5_why_is_there_a_variation_in_the_most/
{ "a_id": [ "cfh12u0" ], "score": [ 2 ], "text": [ "Some people believe that each individual has a main learning style - often one of the \"VAK\" (Visual, Audio, Kinesthetic) learning styles. Visual learners mainly learn by seeing, auditory learners learn by hearing, and kinesthetic learners lear...
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[ [] ]
13fssk
why did the world's magnetic field suddenly reverse 780,000 years ago?
Can anyone explain Matuyama-Brunhes event and how we were able to identify it from sea cores and the like? This fascinates and is beyond me.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/13fssk/why_did_the_worlds_magnetic_field_suddenly/
{ "a_id": [ "c73lgtb", "c73lqkj", "c73lwys", "c73nc0f", "c73nzmc", "c73olt1" ], "score": [ 32, 11, 528, 7, 2, 10 ], "text": [ "The giant trench in the atlantic ocean is constantly spewing new hot molten crust up from the surface. very slowly of course. but o...
[]
[]
[ [], [], [], [ "http://news.nationalgeographic.com/news/2009/12/091224-north-pole-magnetic-russia-earth-core/" ], [ "http://en.wikipedia.org/wiki/Geomagnetic_reversal" ], [] ]
1r9qp2
under the freedom of information act, why can't we all just request the data that the nsa has collected on us?
Title says it all
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1r9qp2/eli5_under_the_freedom_of_information_act_why/
{ "a_id": [ "cdl0e0u", "cdl0e23" ], "score": [ 5, 2 ], "text": [ "The Freedom of Information Act was a giant step forward for access to government information, and provides enormous quantities of data every day, allowing us to better understand our government, and providing the basis for l...
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[]
[ [ "http://www.justice.gov/oip/foia-exemptions.pdf" ], [] ]
j477p
how does tv shows make money if they pay their actors $100k+ and cost them $300k+ for production?
I heard Charlie Sheen earned $1.8million for each episode of 2 and a half men. I also heard that it's not cheap to produce an episode, from costumes to the sets. So how do TV shows make money? Especially on basic cable where it's free for audiences to watch.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/j477p/how_does_tv_shows_make_money_if_they_pay_their/
{ "a_id": [ "c290d9z" ], "score": [ 2 ], "text": [ "Actor's salaries go up because the studo that produces the show can go on to sell it to other networks around the world (and there are thousands of other tv networks around the world), who pay a fee to broadcast the show once a week, once a day, ...
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[ [] ]
2ht7ve
what exactly is the deficit? and how does it effect us? (uk)
What do politicians mean when they talk about the deficit?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2ht7ve/eli5_what_exactly_is_the_deficit_and_how_does_it/
{ "a_id": [ "ckvrybe" ], "score": [ 3 ], "text": [ "It is the amount by which they are over budget. It contributes to debt, which is cumulative (adds up year over year). The deficit by contrast is the *current* overage - for the current budget period.\n\nIt only affects the government's borrowin...
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[ [] ]
1qb0ub
why is it that when a thunderstorm appears, lightning strikes in every other area except for where i currently am?
I just thought that the frequency of living in the same place for a bit over 11 years, lightning would have at least struck somewhere less than 2+ km from where I am.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1qb0ub/why_is_it_that_when_a_thunderstorm_appears/
{ "a_id": [ "cdazruw", "cdazukq" ], "score": [ 3, 4 ], "text": [ "If you saw a flash and then heard the thunder less than about 6 seconds later it was less than 2km away. ", "Lightning finds its path by, sort of, *feeling* its way through the air, both from the cloud and the earth at ...
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[ [], [] ]
6opocc
how do new crypto-currencies keep popping up? can anyone create a new currency if they have people willing to invest in it?
I just don't understand how these new currencies keep popping up and what gives them value. I suppose with our current system(U.S.), the only reason it works is because people believe the dollar holds value, but you can no longer trade it in for gold for example. I assume the same true for these crypto-currencies, ...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6opocc/eli5_how_do_new_cryptocurrencies_keep_popping_up/
{ "a_id": [ "dkj7bgy", "dkj8a5y" ], "score": [ 3, 4 ], "text": [ "Essentially yes, all you need to make any currency is a group of people willing to trade the currency for commodities amongst themselves. If you wanted to, you and your group of friends could agree to exchange \"slap debts\"...
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[ [], [] ]
wl8ih
off-grid electrical systems
I'm looking into going off-grid in an RV and want to be able to generate enough power to support heavy use (re: all day every day) of a laptop, desktop PC with monitor and speakers, and other small items such as phones and mp3 players. No major power-drains like cooking/heating devices. So, I'm looking at the differen...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/wl8ih/eli5_offgrid_electrical_systems/
{ "a_id": [ "c5eac04" ], "score": [ 5 ], "text": [ "OK. Starting at the basics... you will need at a minimum of a power generator and an energy storage device. If this is for an RV, the very basic you could do is simply run off the battery of the RV when it is off. If you want to extend that capab...
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[]
[ [ "http://www.ebay.com/sch/sis.html?_nkw=100W-Monocrystal-solar-panel-12V-DC-RV-Battery-Charger-", "http://komaessolar.en.made-in-china.com/product/SMWQXhwKpDkO/China-100W-Portable-Solar-Power-Supply-KSB100-.html" ] ]
1sy28j
why is satellite television a viable alternative to cable television but satellite internet is not a viable alternative to cable internet?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1sy28j/eli5_why_is_satellite_television_a_viable/
{ "a_id": [ "ce2d0y5", "ce2d4uu", "ce2esb6" ], "score": [ 7, 4, 3 ], "text": [ "Satellite TV doesn't depend on rapid back-and-forth communication like Internet communication does. \n\nSatellite internet is done, but typically only in rural areas, because the time it takes to send m...
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[ [], [], [] ]
1kyght
why does water feel cold when it's running on a tap, but then it doesn't taste as cold when you drink it?
Just got a glass of water, only to have it be underwhelmingly luke-cold. I've always wondered why it feels cold when you run your hand under it, but then it feels much warmer when you drink it.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1kyght/eli5_why_does_water_feel_cold_when_its_running_on/
{ "a_id": [ "cbu14z6" ], "score": [ 3 ], "text": [ "I assume it has to do with the fact that the temperature difference between your hand and the running water is constant because the water is being refreshed whereas the water in your mouth is sitting still and water molecules close to your skin w...
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[ [] ]
3e848f
why do people care about shoes so much?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3e848f/eli5_why_do_people_care_about_shoes_so_much/
{ "a_id": [ "ctcdiss", "ctcdkqa", "ctcdph1" ], "score": [ 4, 3, 2 ], "text": [ "Why do people spend money on anything not necessary for survival? Youre just jealous that my kicks are way fly-er than yours.", "The same reason other people care about other things with such passio...
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[ [], [], [] ]
5vxmkw
what is the reasoning behind repealing the nutritional standards for school lunches?
I recently saw that the US House of Representatives considering repealing the nutritional requirements for school lunches. It looks to be called the "No Hungry Kids Act" (part of H.R. 610). & nbsp; Can anyone tell me how this would be beneficial to anyone? I'm genuinely curious if there's a good reason to repeal the...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5vxmkw/eli5_what_is_the_reasoning_behind_repealing_the/
{ "a_id": [ "de5nezv", "de5nhyd", "de5o9yy", "de5pab9", "de5uxgs", "de6kp5m" ], "score": [ 3, 8, 32, 6, 9, 2 ], "text": [ "It's cheaper? That seems to be a valid reason in some people's mind", "Kids weren't eating the food that met the new nutritional st...
[]
[ "https://www.congress.gov/bill/115th-congress/house-bill/610/text?q=%7B%22search%22%3A%5B%22HR+610%22%5D%7D&amp;r=1" ]
[ [], [], [], [], [], [] ]
5qisy2
if there's a ww3, and there's a draft, how can i prevent my american family members from being drafted?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5qisy2/eli5_if_theres_a_ww3_and_theres_a_draft_how_can_i/
{ "a_id": [ "dczk4vd", "dczkvc3", "dczkzzn" ], "score": [ 4, 2, 2 ], "text": [ "The idea behind the draft is you *can't*, otherwise everyone would do that and there would be no soldiers.\n\nBeyond that, no one knows. The legal, political and cultural landscape is so different toda...
[]
[]
[ [], [ "https://en.wikipedia.org/wiki/Conscientious_objector#United_States" ], [] ]
1w9pk8
why cant we colonize the moon?
I was wondering this since I heard lately that there is group of scientists who are going to go to mars and try and set up a base there. Why don't we try and do this on the moon first?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1w9pk8/eli5_why_cant_we_colonize_the_moon/
{ "a_id": [ "cezyq56" ], "score": [ 2 ], "text": [ "Because there's no point. There are no resources there to sustain life, and thus everything would need to be shipped from earth which is very costly and incredibly inefficient.\n" ] }
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[ [] ]
42aiem
if flexible and bendable glass has been developed already, then why is it not used in phone/computer screens?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/42aiem/eli5_if_flexible_and_bendable_glass_has_been/
{ "a_id": [ "cz8uhaz", "cz8urd1", "cz8vybu", "cz9247b" ], "score": [ 5, 46, 8, 13 ], "text": [ "ELI5: Why do you want a floppy phone or monitor? ", "Phone Screens are made from different forms of Toughened glass, for safety reasons and because standard glass and this f...
[]
[]
[ [], [], [ "http://www.cnet.com/news/hands-on-with-cornings-bendable-willow-glass-exclusive/" ], [] ]
6htj8e
when we first open our eyes in the morning, why is our vision blurry? what are we "blinking away"?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6htj8e/eli5_when_we_first_open_our_eyes_in_the_morning/
{ "a_id": [ "dj10x85" ], "score": [ 6 ], "text": [ "Your eyes are constantly producing \"tears\" which both keep the eye hydrated as well as flush contaminants towards your tear ducts to be carried away. When you sleep, you don't blink and your eye movements are significantly reduced. Without th...
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[ [] ]
3g29r7
other than independent bernie sanders and a few no names, why are no other democrats challenging hillary clinton in the primary?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3g29r7/eli5_other_than_independent_bernie_sanders_and_a/
{ "a_id": [ "ctu65vo", "ctu67ft" ], "score": [ 3, 5 ], "text": [ "Because the majority of Democrats don't believe they stand a chance competing against Hillary due to her experience, name recognition and financial backing. It costs a lot of money to run a presidential campaign, and if you ...
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[]
[ [], [] ]
piw31
presidential executive orders, and what they can and can't do
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/piw31/eli5_presidential_executive_orders_and_what_they/
{ "a_id": [ "c3pr375" ], "score": [ 29 ], "text": [ "To better answer this question, it's more helpful to explain the role of the President in America's Government.\n\nSo you've got the 3 branches of Government.\n\n* Legislative -- Congress -- they make the law..\n* Judicial -- the US Court system...
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[ [] ]
1z6zml
why do we need coin currency? why not set prices to a flat dollar amount?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1z6zml/eli5_why_do_we_need_coin_currency_why_not_set/
{ "a_id": [ "cfr2bp3", "cfr2p0j", "cfr3dxy" ], "score": [ 3, 2, 2 ], "text": [ "The fractal amounts are still meaningful in many transactions. For example, if gasoline could only be sold for $4/gallon or $5/gallon would make a huge difference to the vendor and the consumer alike. A...
[]
[]
[ [], [], [] ]
ei0alo
what are the residual sparks after lighting a bic lighter?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ei0alo/eli5_what_are_the_residual_sparks_after_lighting/
{ "a_id": [ "fcmmjd3" ], "score": [ 3 ], "text": [ "When you strike a lighter small flakes of ferrocerium are chipped by the steel wheel and sent into the gas stream. These flakes burn in air and are sparks. They should vanish fairly quickly." ] }
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[ [] ]
48765n
what is minimal surface area and what is its purpose?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/48765n/eli5_what_is_minimal_surface_area_and_what_is_its/
{ "a_id": [ "d0hfsot" ], "score": [ 2 ], "text": [ "Consider a bubble: When you blow a bubble, it can have a distorted shape which possesses a surface area (the amount of 'bubble film' exposed to the air). In this case, a force called surface tension will try and reduce the surface to a minimum, s...
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ano6g1
why does the skin turn red when it gets hit or when your hand warm up after they have bin cold?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ano6g1/eli5_why_does_the_skin_turn_red_when_it_gets_hit/
{ "a_id": [ "efutt06" ], "score": [ 6 ], "text": [ "It causes increased blood flow to the area, turning it a deeper, fuller colour. Similar to how your hand becomes red when you swing your arm round really fast, because centrifugal forces pull the blood " ] }
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1f12i2
how does china have so much money? (further questions inside)
I know very little about economics FYI. I'm assuming that China has more money that the US considering that we keep borrowing money from them, is this true? If so, how do they have so much? Is it the communism? the huge population? the fact that they've been around for longer?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1f12i2/eli5how_does_china_have_so_much_money_further/
{ "a_id": [ "ca5rclo", "ca5uo1z" ], "score": [ 9, 3 ], "text": [ " > is this true?\n\nShort answer: No. \n\nLonger answer: No. When people say \"we\" are borrowing money from China, what they are referring to is that China is buying US treasury bonds on the secondary market. China own...
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57t7un
how does masturbation affect my body and mind?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/57t7un/eli5_how_does_masturbation_affect_my_body_and_mind/
{ "a_id": [ "d8uqgmv" ], "score": [ 13 ], "text": [ "It doesn't. \n\nReligious propaganda that claims masturbation affects the mind is actively, callously, and intentionally abusive. The real intent - the only intent - is to keep young people in perpetual emotional turmoil and so consumed by guilt...
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3tgqcf
how is north korea allowed to participate in the fifa world cup?
I know, I'm banned from /r/pyongyang
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3tgqcf/eli5_how_is_north_korea_allowed_to_participate_in/
{ "a_id": [ "cx5yw89" ], "score": [ 7 ], "text": [ "Because North Korea is a member of the Asian football federation, and the Asian federation is part of FIFA. So, it's eligible to participate.\n\nAn alternate answer might be that a country is only disqualified if it is more corrupt and evil than ...
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fyp6wz
why is a deep voice loud in a small room, but harder to hear speaking at the same volume outdoors?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/fyp6wz/eli5_why_is_a_deep_voice_loud_in_a_small_room_but/
{ "a_id": [ "fn15goc" ], "score": [ 2 ], "text": [ "Lower pitched sounds reflect better than higher pitched sounds so when you are in a small room with a baritone their voice is reflecting from the walls and making it a bit louder.\n\nHigher pitched sounds travel better and are easier to hear than...
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2cw1fv
why does every youtube video want me to "like and subscribe"?
Seriously, if I like their channel, why can't I just like...come back later and check for more videos? What's the benefit to my subscribing and liking and tweeting and sharing and hashtagging and all this other stuff?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2cw1fv/eli5_why_does_every_youtube_video_want_me_to_like/
{ "a_id": [ "cjjju7l", "cjjju87", "cjjjugv", "cjjjz51" ], "score": [ 7, 3, 2, 2 ], "text": [ "They get better rankings and are more likely to be suggested or put on the front page, which increases their viewer-ship further and helps them monetize more.", "Because \"Like...
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8t3v0a
how do celebrities protect their private information (address, phone number) from public records data-harvesting sites like radaris?
I just realized there are like 10+ websites that showcase my addresses from the past ten years and it really freaked me out. I see that there are long and complicated ways to opt-out, but I also see that “public records” are legally out there and resurface over and over on these sites. Can you buy real protection esp...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8t3v0a/eli5_how_do_celebrities_protect_their_private/
{ "a_id": [ "e14hoih", "e14sqnk" ], "score": [ 21, 3 ], "text": [ "They have lawyers & security companies they pay top dollar to help keep their information wiped from those databases. Also, they aren't giving out their information as frequently as we are. Our info gets out there when we...
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7x4w2o
why can we only see the dust particles in the air under sunlight, but not under any other kind of light?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7x4w2o/eli5_why_can_we_only_see_the_dust_particles_in/
{ "a_id": [ "du5ipqb", "du5istn" ], "score": [ 4, 2 ], "text": [ "You can most certainly see dust particles under other lights. \n\nIt's just that the amount of light shining through a window is significantly more than can be generated by most other kinds of lights in relation to the ambie...
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3dj760
positive aspects of the war on drugs. are there any?
Has the War on Drugs been a success in any way, other than making money for prisons, pharmaceutical companies, etc.? All I ever hear is that the War on Drugs in an immense failure, and I tend to agree with that. Does anyone disagree? I'd love to hear!
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3dj760/eli5_positive_aspects_of_the_war_on_drugs_are/
{ "a_id": [ "ct5mze3" ], "score": [ 6 ], "text": [ "People regard the war as a failure because on just about every metric you'd say would indicate success, the war has not met the metric:\n\n- Less drug users: No\n- Less drug violence: No\n- Safer society: No\n- Less people in prison: No" ] }
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638fee
if the so-called "nuclear option" is something that can easily happen to overturn a tow-thirds majority vote, then why even go through the trouble of the attempt?
I understand why a two-thirds majority is preferred, but it seems like a waste of time if 50%+1 is all you REALLY need.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/638fee/eli5_if_the_socalled_nuclear_option_is_something/
{ "a_id": [ "dfs2ioz", "dfs3nhv", "dfs49q0", "dfs4xih" ], "score": [ 4, 16, 2, 5 ], "text": [ "Mostly for political theater, with a few practical implications.\n\n1) Party X can say \"Hey, Party Y, we're trying to work with you here and the American People can see you're no...
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9yffaq
can nicotine inhibit growth hormone secretion?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9yffaq/eli5_can_nicotine_inhibit_growth_hormone_secretion/
{ "a_id": [ "ea10uoh" ], "score": [ 2 ], "text": [ "It’s the opposite: Nicotine increases growth hormone secretion. That’s why smokers have a higher rate of cancers, growth hormone instructs cells to divide, even if they should not.\n\n_URL_0_" ] }
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[ [ "https://www.ncbi.nlm.nih.gov/m/pubmed/6818588/" ] ]
6o00qa
what causes skunk-like smells?
IE: Skunks, marijuana, Corona beer, body odor. Is there an underlying reason for the similarity of smell, or are they actually quite different but the unrefined human nose has a tough time smelling the difference?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6o00qa/eli5_what_causes_skunklike_smells/
{ "a_id": [ "dkdlsio" ], "score": [ 3 ], "text": [ "It has to do with the compounds created. Most of them are related or very similar.\n\n\nThe skunky smell in beer is caused by compounds in the hops breaking down into one almost exactly like the compound skunks emit.l" ] }
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185vhe
what do cats/dogs dream about in their twitchy, squirmy, yelping slumber?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/185vhe/eli5_what_do_catsdogs_dream_about_in_their/
{ "a_id": [ "c8bvh4q", "c8c3g36" ], "score": [ 2, 5 ], "text": [ "Is it possible to even know?", "MRIs of sleeping animals and comparing their brain pictures to brain pictures of them awake suggest they dream about exactly the kind of stuff you think they do: playing, chasing smaller a...
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69xxly
why is there such a large concentration of men on meeting boards/dating sites?
I'm just wondering why it always turns out that there are many more men on things like dating sites and on tinder and similar platforms than women. I can understand to an extent why there aren't as many women on hookup platforms since men are (correct me if I'm wrong) genetically predisposed to be more forwardly sexual...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/69xxly/eli5_why_is_there_such_a_large_concentration_of/
{ "a_id": [ "dha5vi1", "dha6zc0", "dhadzz5" ], "score": [ 21, 5, 5 ], "text": [ "My guess is because men have to run a marathon to get laid and women just have to smile. So all the guys who can only run a block are on dating sites and very few women can't smile.", "Supply and d...
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3bbuwx
alcubierre (warp) drive: don't you still have to go through the space in front of you?
So this has always bugged me a bit about the Alcubierre Drive. It contracts the space in front of the craft and expands the space behind it; doesn't the ship using this drive still have the exact same amount of space to travel whether it's compact or not, and doesn't that ship have a finite speed at which it can move ...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3bbuwx/eli5_alcubierre_warp_drive_dont_you_still_have_to/
{ "a_id": [ "cskrd1v" ], "score": [ 2 ], "text": [ "In the simplest explanation, a warp drive would theoretically shrink space in front of you while expanding it behind you. \n\nthe easiest example I can think of is putting on a long sleeve shirt. You can simply push your arm through the entire le...
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2vca63
at night, why does a light source look brighter when you are not looking directly at it?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2vca63/eli5_at_night_why_does_a_light_source_look/
{ "a_id": [ "cogedc5" ], "score": [ 2 ], "text": [ "You have two types of cells in your eyes that specialize in photoreception, or receiving light. When light hits these cells that are located in the retina at the back of the eyeball, a signal is sent to the brain and you \"see\".\n\nThe first typ...
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jpuvu
why are we the only highly-evolved/civilized species on earth?
Why are humans the only species that isn't "just an animal"? It seems like there ought to be several others out there. I understand the point that we would have overpowered and killed off any species that came close, but there are plenty of species that we couldn't have controlled until very recently. Why isn't there...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/jpuvu/eli5_why_are_we_the_only_highlyevolvedcivilized/
{ "a_id": [ "c2e5iq2", "c2e5rab", "c2e6hvm", "c2e5iq2", "c2e5rab", "c2e6hvm" ], "score": [ 2, 2, 2, 2, 2, 2 ], "text": [ "We are actually \"just an animal\". Why humans are the only species with this level of brain development? Afaik, there is no definitive ...
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2k2cq0
i know art is subjective, but aside from personal opinion and preference, is there a technical explanation for what makes keanu reeves a good or bad actor?
I saw a trailer for John Wick and it said it is his best work since The Matrix. I wasn't impressed, but I began to think that maybe I just wasn't giving him credit he deserves for some reason. I'm not asking you to tell me if I'm right or wrong to be unimpressed, just maybe examples of good blocking, tone of voice, sel...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2k2cq0/eli5_i_know_art_is_subjective_but_aside_from/
{ "a_id": [ "clh9js1", "clhaqme" ], "score": [ 2, 2 ], "text": [ "There are a couple of films where his work was well done in my eyes - The Devil's Advocate being one of them. My issue is that he will always be Bill in my eyes because that's a movie I grew up on. It makes it difficult f...
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rofcd
what is an investment bank, and what is goldman sachs?
wikipedia is only confusing me more in this situation
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/rofcd/eli5_what_is_an_investment_bank_and_what_is/
{ "a_id": [ "c47ex7f", "c47ik8m" ], "score": [ 17, 7 ], "text": [ "In general, the idea of an investment bank and what an investment banker does is secure funding for clients, or in general advises clients on funding needs for a fee. For example, if a company wants to IPO, it will contact ...
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74ox5k
why are we not sending more people to the bottom of the mariana trench?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/74ox5k/eli5_why_are_we_not_sending_more_people_to_the/
{ "a_id": [ "dnzyut1", "dnzz9lw", "do02q5i" ], "score": [ 7, 3, 2 ], "text": [ "Well, it's hard to get there, takes very specialized equipment to do so, and there's a lot of ocean to explore besides just the bottom of a particular trench. ", "Why should we? We've been there be...
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3zkwj1
is lying natural human behavior or is it something that is taught, why do humans lie and what happens in the brain when we start a lie (are certain chemicals released/particular brain activity)?
In other words: What is a lie?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3zkwj1/eli5_is_lying_natural_human_behavior_or_is_it/
{ "a_id": [ "cymwpzo", "cynrryj" ], "score": [ 40, 3 ], "text": [ "Lying is natural human behaviour. Society would soon fall apart if we were unable to lie as it is often beneficial to keep the truth concealed; for example, lying to ourselves allows us to function as sane human beings.\n\n...
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66aros
why was the reunification of west and east germany in the early 1990s seemingly easy but a reunification of north and south korea is seen as being extremely difficult, if it ever happens?
I will admit that I am not historian so I may be oversimplifying the reunification of East and West Germany as being easy o please excuse me for that. I am curious why it seems they are a thriving, western country after just 25 or so years while be split for nearly 50 years and why the reunification of Korea is seen a...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/66aros/eli5_why_was_the_reunification_of_west_and_east/
{ "a_id": [ "dggypm5", "dggyshk", "dgh1fkk", "dgh211c", "dgh2ar3", "dgh2kos", "dghcb1u", "dghdgju", "dghi1my", "dghr0fg", "dghtjkh", "dghx8qw", "dgia9hj" ], "score": [ 265, 7, 11, 76, 6, 10, 2, 2, 4, 65, 3, 2, ...
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[ [], [], [], [], [], [], [], [], [], [], [ "http://www.investopedia.com/articles/forex/040515/north-korean-vs-south-korean-economies.asp", "http://www.economist.com/blogs/graphicdetail/2015/10/daily-chart-comparing-eastern-and-western-germany" ], [ "http://www.businessinsider.com/...
4rtq8s
when having a drink with ice cubes in it, is it at it's coldest when all of the cubes has melted?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4rtq8s/eli5_when_having_a_drink_with_ice_cubes_in_it_is/
{ "a_id": [ "d541u3a", "d542hba", "d543vzj", "d544wbj", "d5450bh", "d545jwa", "d548yy7", "d5494sl", "d5497pf", "d54b1yu" ], "score": [ 248, 9, 29, 132, 32, 36, 2, 2, 2, 2 ], "text": [ "It depends on the temperatures and the si...
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[ [], [], [], [], [], [ "http://www.physicsclassroom.com/Class/thermalP/u18l2a3.gif" ], [], [], [], [] ]
alw3y8
why can’t hackers just erase everybody’s debt or add a few zeros to bank accounts?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/alw3y8/eli5_why_cant_hackers_just_erase_everybodys_debt/
{ "a_id": [ "efhf143" ], "score": [ 2 ], "text": [ "Because banks have checks and balances.\n\nIf you change stuff, the change is detected. Then the database is rolled back to the prior, good version. At the same time, the hackers are found, and serious law enforcement occurs to them." ] }
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70zguc
what do ivy league schools do better than pretty decent schools? wouldn't' many schools try to have the best education?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/70zguc/eli5_what_do_ivy_league_schools_do_better_than/
{ "a_id": [ "dn70ea3", "dn70otp", "dn71evc", "dn72ove" ], "score": [ 11, 2, 2, 2 ], "text": [ "Ivy Leagues do two things that no other schools can do:\n\n1) Branding: At the end of the day, no one is really going to know how smart/educated you are, they just know you have a...
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48stbz
what would happen to the world economy if the ceos of coke and pepsi just up and decided, "this stuff is unhealthy and gross" and stopped making soda entirely. could they even make that decision?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/48stbz/eli5_what_would_happen_to_the_world_economy_if/
{ "a_id": [ "d0m6hle", "d0m6i5m", "d0m6s64" ], "score": [ 7, 4, 3 ], "text": [ "Well, the CEO could say that. Then he would be promptly fired by the Board of Directors, and a new CEO would be hired who would actually do the job.", "The demand for soda would not disappear - othe...
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aoslzi
if an artist makes a cover or a remix of a song how does that work? does the original artist get royalties and do you need their permission?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/aoslzi/eli5_if_an_artist_makes_a_cover_or_a_remix_of_a/
{ "a_id": [ "eg38p8q", "eg38r1w", "eg39es5" ], "score": [ 6, 4, 52 ], "text": [ "Permission is not required to cover a song, but if you do make a cover - and profit off of it - there is a set rate that you must pay the owner of the composition copyright.\n\nthis article goes in dep...
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[ [ "https://theproaudiofiles.com/music-copyright/" ], [], [] ]
1r8cgn
exactly what will filibuster reform do? what is the problem that obama is trying to solve? why are people opposing this?
I think I have basic understanding of what a filibuster is (basically "lets talk till its too late to vote", I think?) but I don't know what the proposed reform is/will do. And I have no idea why people would be opposing it. Would be good to have it all simplified and understand both sides of the argument. Thanks.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1r8cgn/eli5_exactly_what_will_filibuster_reform_do_what/
{ "a_id": [ "cdklfip", "cdkmtb9" ], "score": [ 2, 6 ], "text": [ "Senate Democrats, with the help of President Obama, changed the rules of the Senate so that minority members have less power.\n", "The filibuster reform essentially makes it possible to now break a filibuster of judicial...
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