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99gqlp
what’s the difference between a neanderthal and a denisovan? did they exist at the same time?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/99gqlp/eli5_whats_the_difference_between_a_neanderthal/
{ "a_id": [ "e4nqvw8" ], "score": [ 5 ], "text": [ "They are both a subspecies of Homo sapiens. They overlapped in time and interbred. Only a finger bone and some teeth have been discovered from the Denisovans, so not much can be said about how they looked. But DNA shows a bit more differences fro...
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[]
[ [] ]
9ijpgv
how does "natural" fear works (eg. fear of snakes, spiders, the dark, heights)? i understand it has to do with natural selection, but i don't get how the mechanism functions on the brain and how it passes forward from parents to children. is that dna related somehow?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9ijpgv/eli5_how_does_natural_fear_works_eg_fear_of/
{ "a_id": [ "e6kaafc" ], "score": [ 12 ], "text": [ "There is no evidence that every human is born with a laundry list of fears. There is incredible variation in what people fear and how that fear affects them. Many, many people aren't scared of spiders or snakes or heights or the dark. \n\nAlmost...
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[]
[ [] ]
d0zw85
how do fire vents help prevent/reduce fire damage in buildings?
My old freshman dorm had fire vents which connected 3 floors of rooms. They were extremely unpopular because they were designed in such a way as to amplify noise from the rooms connected to them. Someone on the 3rd-floor could hear someone sneeze on the 1st-floor directly below them. Do these vents actually help pre...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/d0zw85/eli5_how_do_fire_vents_help_preventreduce_fire/
{ "a_id": [ "ezfrl5e", "ezfs3no" ], "score": [ 5, 2 ], "text": [ "Ventilation serves two purposes in firefighting. Firstly, fires cannot survive without oxygen. One of the first things to do in a fire is shut down the ventilation so that no more oxygen enters the area. This starves the ...
[]
[]
[ [], [] ]
1466ax
uses of capacitors
So I've done a little bit of research (including in this subreddit), and I think I understand what capacitors do. From what I've read, they build up charge when they receive voltage and discharge when not given a voltage. If this is an incorrect definition, please help me understand! Anyway, I want to know what the pr...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1466ax/eli5_uses_of_capacitors/
{ "a_id": [ "c7a8ou2", "c7acs08", "c7akrxk" ], "score": [ 3, 2, 2 ], "text": [ "Simple AC to DC conversion works like this:\n\n* Use a transform to convert the AC voltage down to another AC voltage near the voltage you want to get DC\n* Use diodes (they allow current to flow one wa...
[]
[]
[ [ "http://forum.allaboutcircuits.com/image_cache/httpupload.wikimedia.orgwikipediacommonsthumb442Simple_fullwave_rectified_sine.svg800pxSimple_fullwave_rectified_sine.svg.png", "http://upload.wikimedia.org/wikipedia/commons/c/c6/Acigraph.png", "http://www.youtube.com/watch?v=cyhzpFqXwdA", "http://en...
74e4hw
how is the geographical location of wifi access points (wifi routers..?) determined?
I was reading an [ELI5 thread](_URL_0_) about how turning on WiFi improves a device's location accuracy, even if it's *not connected* to any WiFi network. I read in another blog that the geographical location of WiFi "access points" (I guess that means "wifi routers"?) is collected by Google StreetView cars. So, is st...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/74e4hw/eli5how_is_the_geographical_location_of_wifi/
{ "a_id": [ "dnxlsws" ], "score": [ 2 ], "text": [ "Theoretically, anything that knows its location and could look for Wi-Fi access points can get you your map data. The street view cars are just a convenient way to get a lot of that data at once. You could have someone stand on a street corner wi...
[]
[ "https://www.reddit.com/r/explainlikeimfive/comments/725712/eli5_why_does_turning_on_wifi_on_your_phone/" ]
[ [] ]
8155oh
why rich countries have a higher cancer rater than poor ones ?
[source](_URL_0_)
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8155oh/eli5why_rich_countries_have_a_higher_cancer_rater/
{ "a_id": [ "dv0i06o", "dv0j847", "dv0jbaw", "dv0kxge", "dv0oas2", "dv0vjoz", "dv0x6zd", "dv0xwrr", "dv0ya8i", "dv171aq" ], "score": [ 34, 261, 40, 4, 18, 2, 2, 11, 2, 2 ], "text": [ "In poor countries people die young. In ric...
[]
[ "https://www.wcrf.org/int/cancer-facts-figures/data-cancer-frequency-country" ]
[ [], [], [], [], [ "https://www.cancer.gov/about-cancer/causes-prevention/risk/obesity/obesity-fact-sheet" ], [], [], [], [], [] ]
3fksjz
why people don't tell the truth.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3fksjz/eli5_why_people_dont_tell_the_truth/
{ "a_id": [ "ctpj08d" ], "score": [ 2 ], "text": [ "Why someone lies always depends on the context. Near the end of my last relationship, I was lying on a daily basis just to keep the peace, because my fiancee thought video games were childish (I played when she was at work) and that all debt is 1...
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[]
[ [] ]
7jmsyt
what is it that the is microwave 'sensing' when you choose sensor reheat?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7jmsyt/eli5_what_is_it_that_the_is_microwave_sensing/
{ "a_id": [ "dr7oue7", "dr83vht" ], "score": [ 136, 12 ], "text": [ "Humidity. See _URL_0_", "That link covers most of it. The most common sensor in a microwave is simply a moisture sensor. Some higher end microwaves do have types of temperature sensors and there are even a couple out...
[]
[]
[ [ "https://www.reddit.com/r/askscience/comments/1715qu/how_does_the_sensor_reheat_button_on_the/" ], [] ]
2d1lji
how do they determine how far a baseball was hit?
ESPN always show how far a player's home run was. I'm wondering if they measure by literal distance or the distance it would have gone if there were no stands and it continued till it hit ground level.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2d1lji/eli5_how_do_they_determine_how_far_a_baseball_was/
{ "a_id": [ "cjl6yn9" ], "score": [ 2 ], "text": [ "Nowadays they have a computer with a map of the stadium. They just point to where the ball landed and the computer will spit out the distance from home plate. Before the computer they knew the wall was 347ft from home plate and the first seats ar...
[]
[]
[ [] ]
3s7z79
why is biodiesel available in so many places, but biogasoline almost unheard of?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3s7z79/eli5_why_is_biodiesel_available_in_so_many_places/
{ "a_id": [ "cwuw3wx" ], "score": [ 3 ], "text": [ "Biodiesel fuel can be made from waste food oils simply. While Biogasoline can be synthesized it is more complicated.\n\nBy simply I mean it can be produced at home with a few steps. " ] }
[]
[]
[ [] ]
1wd84y
why doesn't the ioc just buy an island somewhere and hold the olympics there every time.
It seems to me that the countries that participate in the Olympics should just get together and buy an island somewhere, build the necessary structures and hold the Olympics there every four years. It would save a lot of money, the buildings wouldn't just be used once and abandoned. Countries could still bid to "host" ...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1wd84y/eli5_why_doesnt_the_ioc_just_buy_an_island/
{ "a_id": [ "cf0vlee", "cf0vmvz", "cf0w7ff", "cf0znmz", "cf10ic7", "cf134of", "cf13m7f", "cf1c1bu", "cf1jfo2" ], "score": [ 95, 4, 25, 2, 7, 6, 2, 2, 2 ], "text": [ "For one, the Olympics are about international community, and isolati...
[]
[]
[ [], [], [], [], [], [], [], [], [] ]
1721rz
why does psychological stress increases the risk of a heart attack?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1721rz/eli5_why_does_psychological_stress_increases_the/
{ "a_id": [ "c81gtzu", "c81hj54", "c81p51j" ], "score": [ 7, 3, 2 ], "text": [ "Psychological stress raises blood pressure.\n\nFun Fact: psychosomatic illness (illness caused by the mind) is a real thing and can cause many different type of maladies, including heart attack.", "...
[]
[]
[ [], [], [] ]
yviwc
why humans can learn speech and languages but no other animal (exception of maybe parrots) can
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/yviwc/eli5_why_humans_can_learn_speech_and_languages/
{ "a_id": [ "c5z6ilc", "c5z95vf", "c5z9o9e" ], "score": [ 15, 3, 3 ], "text": [ "Because our brain has evolved to have far more advanced communication skills than any other animal.\n\nOther intelligent animals, such as gorillas, can use *basic* \"human language\" by being taught si...
[]
[]
[ [], [ "http://en.wikipedia.org/wiki/Whale_sounds" ], [ "http://en.m.wikipedia.org/wiki/Con_Slobodchikoff#section_3", "http://m.io9.com/5904555/what-do-prairie-dogs-have-words-for" ] ]
2gqlm0
most human body parts can heal/restore themselves when damaged, but why does the body not fix myopia?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2gqlm0/eli5_most_human_body_parts_can_healrestore/
{ "a_id": [ "ckllu9k", "cklm26f" ], "score": [ 2, 2 ], "text": [ "well, fix is a loaded term here. the body can repair some damage, yes, as in the case of bones and cuts healing. however, myopia isn't like a trauma that activates a healing response. also, myopia is often genetic, and when ...
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[]
[ [], [] ]
e4isrx
how does "modified-release"medication capsules work?
I have modified release meds, I noticed there are two coloured balls as the filling. I wonder if the white ones are non coated immediate release, and the blue coated are slow? Is it simply a delay due to a coating taking time to digest to release the medication?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/e4isrx/eli5_how_does_modifiedreleasemedication_capsules/
{ "a_id": [ "f9bomdu", "f9ch208", "f9e1b0q" ], "score": [ 9, 5, 5 ], "text": [ "It depends on the medication, but that's pretty much it exactly. Instead of taking more than one dose a day, your medicine has some that starts working right away, and some that dissolves slowly over ti...
[]
[]
[ [], [ "https://youtu.be/yNX0FuXEFWw", "https://youtu.be/uojwMhQpjq8" ], [] ]
9ovg15
won't it be easier to compete with uber once drivers are replaced by self-driving cars?
I don't understand how Uber's plan to replace their drivers by self-driving cars is good. Having a large fleet of drivers is a lot harder than buying a large fleet of self-driving cars. Humans need to be convinced and trained to work for Uber but cars are goods anyone can buy. My question is, once Uber replaces humans...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9ovg15/eli5_wont_it_be_easier_to_compete_with_uber_once/
{ "a_id": [ "e7x26k6", "e7x9r26", "e7yq1cd" ], "score": [ 6, 3, 2 ], "text": [ "Uber is already so big that can potentially drive out competition in most locations by taking temporal losses. Any other company would need to have more cars on the road at a lower cost to compete. ", ...
[]
[]
[ [], [], [] ]
5jwm1e
why do reflections still have 'depth' so that our eyes have to focus on objects near and far, even though the reflective surface is flat?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5jwm1e/eli5_why_do_reflections_still_have_depth_so_that/
{ "a_id": [ "dbjigbn" ], "score": [ 2 ], "text": [ "Reflection is caused by light bouncing off of a surface. So you're not focusing on the surface itself, but on the things being reflected off that surface, which can be varying distances away." ] }
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[]
[ [] ]
3ulm82
how do those in authority locate someone from their internet activity?
According to the movies and urban myth, no sooner than I type in 'ricin recipes for jihad' I'll have my door kicked in by MI5 / FBI. What can really be traced?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3ulm82/eli5_how_do_those_in_authority_locate_someone/
{ "a_id": [ "cxftku8", "cxfultw" ], "score": [ 2, 3 ], "text": [ "Not a CS guy, but as far as I know your IP address is tied to your geographic location with respect to your ISP. \n\nAlso certain webpages and especially Google can request location info from your computer for advertising an...
[]
[]
[ [], [] ]
fiwktv
if you have microscopic tearing in the anal canal, why doesn’t your own faeces poison you?
Very small tears in the delicate anal tissue are apparently a common problem in humans, obviously more so in certain groups than others. Whether they’re microscopic or severe enough to cause bleeding, why doesn’t the faecal matter enter the blood stream and make you very ill? If you ate faeces you’d get gastroenteritis...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/fiwktv/eli5_if_you_have_microscopic_tearing_in_the_anal/
{ "a_id": [ "fkjn5ly", "fkjp1cr", "fkjso82" ], "score": [ 92, 17, 6 ], "text": [ "Large amounts of faecal matter in the blood can be very dangerous, but remember, the tear is microscopic, so only very small amounts get through. The body has a number of defense mechanisms once it de...
[]
[]
[ [], [], [] ]
dbe4i4
why do storms make ocean waves crazy and dangerous?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/dbe4i4/eli5_why_do_storms_make_ocean_waves_crazy_and/
{ "a_id": [ "f20mh7o", "f20yzuz", "f210sw1" ], "score": [ 8, 18, 5 ], "text": [ "Mostly it’s the fast moving wind that causes big ocean waves. The gravity of the moon will create a small wave and the wind will make it much bigger. Even the Great Lakes will have bigger waves on win...
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[]
[ [], [], [] ]
ceaxpb
how does one word end up meaning several, completely different things?
Synonyms make sense, but a word like "match" have at least three different meanings that have nothing on common.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ceaxpb/eli5_how_does_one_word_end_up_meaning_several/
{ "a_id": [ "eu12tz3", "eu18m3m", "eu1gjgw" ], "score": [ 12, 19, 3 ], "text": [ "Coincidence.\n\nThe word \"match\" is basically two words with the same spelling and pronunciation: \n\n* A pairing\n* A small wooden stick used to start a fire\n\nIt's a coincidence because the origi...
[]
[]
[ [], [], [] ]
6zpaoj
why on tv, do the voices and characters lips become out of sync and what fixes it?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6zpaoj/eli5_why_on_tv_do_the_voices_and_characters_lips/
{ "a_id": [ "dmx1l22" ], "score": [ 3 ], "text": [ "Not usually an issue with reliable feeds. Can I assume you're streaming?" ] }
[]
[]
[ [] ]
fw04tt
why do people use ssds when they are just lower storage then a hard drive, most of the time
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/fw04tt/eli5_why_do_people_use_ssds_when_they_are_just/
{ "a_id": [ "fmlexys" ], "score": [ 2 ], "text": [ "1. they are faster, generally speaking and better and multi-tasking if that is needed.\n2. they have significantly less power consumption - for a battery powered device this means a lot longer battery life of the device since a spinning (non-sd) ...
[]
[]
[ [] ]
4vcfie
why do political pollsters like bloomberg and rasmussen apparently release their polls to the public for free? how do they make money?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4vcfie/eli5_why_do_political_pollsters_like_bloomberg/
{ "a_id": [ "d5x8jkk", "d5x91k8", "d5x997o" ], "score": [ 11, 3, 2 ], "text": [ "First, polls are occasionally commissioned. so they *are* paid. \n\nOther times they're created by foundations/think-tanks/etc - these organisations are also funded. \n\nSometimes they use the polls as...
[]
[]
[ [], [], [] ]
8pedl3
is it actually possible for a sound wave to travel around the entire world and be heard?
Edit: So what is the furthest actual distance an actual sound wave had traveled as recorded?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8pedl3/eli5_is_it_actually_possible_for_a_sound_wave_to/
{ "a_id": [ "e0aknjq" ], "score": [ 14 ], "text": [ "Yes, the explosion sound of the volcano Krakatoa went around the world *more than once.*\n\n_URL_0_" ] }
[]
[]
[ [ "https://kottke.org/14/10/the-worlds-loudest-sound" ] ]
av04gh
where do the air from the hairdryer comes from?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/av04gh/eli5_where_do_the_air_from_the_hairdryer_comes/
{ "a_id": [ "ehblkk8", "ehblm26" ], "score": [ 3, 2 ], "text": [ "There’s a fan in it. The air comes from around you. It’s sucks air in, heats it up and blows it out the other end.", "On the sides of it, there are holes I which the air enters. There is a fan inside, blowing it towards ...
[]
[]
[ [], [] ]
2l0yo2
why do knife throwers hold the knife by the blade?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2l0yo2/eli5_why_do_knife_throwers_hold_the_knife_by_the/
{ "a_id": [ "clqf99f", "clqfg5u", "clqfwl2", "clqknwi", "clqlj53", "clqlno2", "clqsan4", "clquacr", "clqxjtj", "clqz8yp" ], "score": [ 116, 29, 29, 13, 3, 63, 3, 3, 3, 2 ], "text": [ "Knife throwing works by controlling the sp...
[]
[]
[ [], [], [], [ "http://youtu.be/ji1nBmcKuoo" ], [], [], [], [], [], [] ]
35im4v
- uk nhs privatisation
Hey all. I've got a couple of questions about the NHS being privatised in wake of today's record deal. I understand the basics of privatisation - that the jobs and treatments become outsourced from the government run NHS in to the private sector. I understand that this creates a market system that means that private c...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/35im4v/eli5_uk_nhs_privatisation/
{ "a_id": [ "cr4r6gy", "cr4tph6", "cr4v5ph", "cr4vuky", "cr52df7" ], "score": [ 2, 8, 2, 2, 3 ], "text": [ "I'm probably wrong but the way I see it if they want to keep the NHS free. Companies will compete against each other to provide services, government will pay ...
[]
[]
[ [], [], [], [], [] ]
djkhkn
what are the practical applications of calculating numbers to powers of e.g. -3…
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/djkhkn/eli5_what_are_the_practical_applications_of/
{ "a_id": [ "f45p48w", "f45p59r", "f45phbu", "f45pi34", "f45pksq", "f45qz7i" ], "score": [ 3, 7, 2, 2, 2, 2 ], "text": [ "I think the only \"practical\" usage of, say the power of -3, is that you need to know what that means and be able to calculate it as it...
[]
[]
[ [], [], [], [], [], [ "https://en.wikipedia.org/wiki/Power_series", "https://en.wikipedia.org/wiki/Power_law#Examples" ] ]
19j2rk
el15: why is it so hard for a woman to have a natural delivery after a c-section?
Basically the title. I had to have a C-section and it's been made clear to me that I'd have to have another if I ever had another child. It hasn't been made clear why, and I don't understand. My vagina's still there, it still works, so why can't I push a baby out still?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/19j2rk/el15_why_is_it_so_hard_for_a_woman_to_have_a/
{ "a_id": [ "c8oh4xw", "c8oh9x0", "c8ojh7o" ], "score": [ 2, 5, 3 ], "text": [ "It depends on individual cases and it will also depend on what the reason was for your first C-section. For example, if you had an infection and that was the reason for your first C section, and you don...
[]
[]
[ [], [], [] ]
2e55ke
why does israel have difficulty with attaks in the gaza strip? it seems to be a small area that israel could invade quickly and easily
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2e55ke/eli5_why_does_israel_have_difficulty_with_attaks/
{ "a_id": [ "cjw5q7p" ], "score": [ 3 ], "text": [ "It's not as though there's a Gaza military that they need to deal with. The problem when fighting terrorists is that you don't know *who* is a terrorist until they start shooting at you. So, your options are to go in heavy and kill a lot of peopl...
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[]
[ [] ]
9axvc1
how come there can be many patents for the same thing?
I don't know where this would fit, so I'm throwing this here. I have an idea for an invention that is good enough that it is getting attention from friends and family who want to pursue it with me. I finally did a Google patent search for this type of item, and to my dismay, I see that there is already a patent for i...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9axvc1/eli5_how_come_there_can_be_many_patents_for_the/
{ "a_id": [ "e4yypwl" ], "score": [ 6 ], "text": [ "Imagine you invented donuts. You went to the patent office and got a patent for donuts, so now only you can make donuts, defined as a pastry made from flour which is toroidal in shape and fried.\n\nSomeone (let’s say Jared) can file a patent for ...
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[]
[ [] ]
1p50uc
what makes a soundtrack ''beautiful'' and how come music can make people cry (easily)?
Just as the title says. There is this one soundtrack that makes me cry for no reason, even if I am in my most happiest state. Which is this; _URL_0_
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1p50uc/eli5_what_makes_a_soundtrack_beautiful_and_how/
{ "a_id": [ "ccysvn0" ], "score": [ 2 ], "text": [ "I think you'll enjoy [this](_URL_1_)! \n\nBasically music seems to stimulate very primal parts of the brain and is a way of communicating emotion. Certain melodic creations send messages, [here's a famous example](_URL_0_). " ] }
[]
[ "http://www.youtube.com/watch?v=-iPlfsJ0mno" ]
[ [ "http://www.huffingtonpost.com/2012/02/14/adeles-songs-science-make-you-cry_n_1277174.html", "http://www.radiolab.org/story/91512-musical-language/" ] ]
k7ap4
how do scientists know that the earth has an unmet core and outer core if we have never dug that deep into earth? eli5.
That should say inner not unmet. Stupid swype. Also, how did scientists figure out that the inner core is made of iron and the outer core has iron and nickle?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/k7ap4/how_do_scientists_know_that_the_earth_has_an/
{ "a_id": [ "c2i1964", "c2i1zu8", "c2i1964", "c2i1zu8" ], "score": [ 8, 2, 8, 2 ], "text": [ "There are a few clues that let scientists make good guesses about the earth's core.\n\nWe know the earth's mass, based on it gravitational interaction with the moon and other objec...
[]
[]
[ [], [], [], [] ]
49pxf3
how do cells know what in what shape the should arrange when healing a wound?
I underwent surgery a few months ago in order to get a pilonidal cyst removed. It was basically a deep cavity where my butt crack ends. They had to take some tissue during the surgery, leaving an open wound that would close over the next few months. My question is, how do the cells in my body know what shape should the...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/49pxf3/eli5_how_do_cells_know_what_in_what_shape_the/
{ "a_id": [ "d0tyh53" ], "score": [ 2 ], "text": [ "The answer is [contact inhibition](_URL_0_). The cells in your body divide until they squeeze up against other cells, then stop. \n\nSometimes, cells will lose this inhibition. That's when you get cancer. " ] }
[]
[]
[ [ "https://en.wikipedia.org/wiki/Contact_inhibition" ] ]
76sxu8
why do boobs lose their volume after nursing?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/76sxu8/eli5_why_do_boobs_lose_their_volume_after_nursing/
{ "a_id": [ "dogjmop", "dogp6du" ], "score": [ 2, 3 ], "text": [ "It's kind of the same thing as when you lose weight: the boobs have gotten stretched out from their pregnancy and breastfeeding growth, and then having lost that extra weight, you now have loose skin.", "Milk producing g...
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[]
[ [], [] ]
2k1gv3
if terrorism by muslim extremists is caused by too much western intervention, why was a country like canada a target?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2k1gv3/eli5_if_terrorism_by_muslim_extremists_is_caused/
{ "a_id": [ "clh0p87", "clh0vfq" ], "score": [ 2, 2 ], "text": [ "First, it's *possibly* the most recent event was due to muslim extremists who have the same concerns of those who have made those statements in the past, but it could be for completely different reasons, not all people who a...
[]
[]
[ [], [] ]
2unf2d
how can three people have a baby?
Three-parent babies have just been made legal in the UK, but I'm wondering how it actually works? I've read the articles, but I still don't understand.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2unf2d/eli5how_can_three_people_have_a_baby/
{ "a_id": [ "co9xbnu", "co9xc3o", "co9xyi2", "coadnat" ], "score": [ 13, 2, 4, 2 ], "text": [ " > I've read the articles\n\nLinking to the articles would help people understand the context of your question.", "Woman one... Take egg and remove inside of cell, woman two...
[]
[]
[ [], [], [], [] ]
nphu0
why doesn't the us or any other country use napalm/chemical warfare in modern day wars like in vietnam?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/nphu0/eli5_why_doesnt_the_us_or_any_other_country_use/
{ "a_id": [ "c3awxte", "c3axea5", "c3awxte", "c3axea5" ], "score": [ 8, 4, 8, 4 ], "text": [ "188 countries have signed the Chemical Weapons Convention which is an arms control agreement that outlaws the production, stockpiling and use of chemical weapons.", "Napalm got...
[]
[]
[ [], [ "http://en.wikipedia.org/wiki/White_phosphorus" ], [], [ "http://en.wikipedia.org/wiki/White_phosphorus" ] ]
45s8dc
why can't the human brain be kept alive (and conscious) artificially?
Has it not been tried for ethical reasons or does it need the body and rejects anything but it's original host similar to an incompatible implant? Or maybe the trauma of being desected from the body would kill it? I understand this probably sounds incredibly stupid but with the way modern science is advancing it just...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/45s8dc/eli5_why_cant_the_human_brain_be_kept_alive_and/
{ "a_id": [ "czzsk4q", "czzspo6", "czzuadl", "czzuilb", "d000i4h", "d001p31", "d003a08" ], "score": [ 9, 81, 5, 7, 3, 3, 4 ], "text": [ "There's a lot of reasons, but the biggest one is \"We don't really know how\". The concept is there, it's great a...
[]
[]
[ [], [ "https://www.reddit.com/r/askscience/comments/i3meo/would_it_be_possible_to_keep_a_severed_human_head/" ], [], [], [], [ "https://youtu.be/zwkkmsoo4a4" ], [] ]
9iymfs
why isn’t there a rover equivalent on the bottom of the ocean?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9iymfs/eli5_why_isnt_there_a_rover_equivalent_on_the/
{ "a_id": [ "e6nes07", "e6neusm", "e6nf0kp" ], "score": [ 6, 2, 3 ], "text": [ "Exploring the bottom of the ocean is basically as hard as exploring space. The water is really heavy and the further you go down the more it pushes on your body, or the submarine or rover or whatever. T...
[]
[]
[ [], [ "https://www.wired.com/2009/09/benthicrover/" ], [] ]
9o8jqw
will increasing the volume of a media player (tv, radio etc) affect power consumption?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9o8jqw/eli5_will_increasing_the_volume_of_a_media_player/
{ "a_id": [ "e7s92sw" ], "score": [ 4 ], "text": [ "Yes, because speakers are motors. They push and pull the cone inside the speaker that creates sound pressure waves. The louder a speaker gets, the more voltage is used to create a louder sound." ] }
[]
[]
[ [] ]
4nxeqa
why does friction make shampoo foam?
Whereas when it lies dormant, it does not foam.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4nxeqa/eli5why_does_friction_make_shampoo_foam/
{ "a_id": [ "d47rhfq" ], "score": [ 6 ], "text": [ "It's not the friction, it's the water!\n\nSoap molecules have two sides: one that's attracted to water, and one that isn't. So when you introduce water, the soap molecules start to separate and rearrange to align the way they want to.\n\nFriction...
[]
[]
[ [] ]
2rluuy
how does "volume" work exactly? is it precreated in the programming? are sound files preprogrammed with set volume levels allowed?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2rluuy/eli5_how_does_volume_work_exactly_is_it/
{ "a_id": [ "cnh2sdc", "cnh3bz4" ], "score": [ 2, 9 ], "text": [ "The audio signal has a base amplification from when it was recorded and mastered. Usually the are leveled or normalised to a nice -0.1 db level (0 means clipping on the signal). The volume of the audio is regulated by the so...
[]
[]
[ [], [ "http://www.reddit.com/r/explainlikeimfive/comments/jbxcw/eli5_how_does_a_speaker_turn_a_digital_music_file/" ] ]
1xwlf1
why is the orion spacecraft better than the space shuttle
Besides the obvious like better technology on it why is it better than the Space Shuttle? It seems like having something you can land like a plane is a way better way to do it. Please tell me why I'm wrong.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1xwlf1/eli5_why_is_the_orion_spacecraft_better_than_the/
{ "a_id": [ "cff8xcj", "cff91b1", "cff9e7c", "cff9qo6", "cffd3fa" ], "score": [ 7, 5, 5, 10, 2 ], "text": [ "Safety at launch and cost. A lot can go wrong with the shuttle and escaping during launch problems is difficult. ", "Besides safety and cost, the Shuttle...
[]
[]
[ [], [], [], [], [] ]
4iwaik
how does youtube's auto-generated subtitles work?
I remember when it first came out, it was quite terrible but now it's very decent. To the point where it can differentiate between "cause" and "cuz". Is there some kind of program that can 'hear' the sounds? Also, if it's good enough to know the difference between "because", "cause", and "cuz", how is it that it can st...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4iwaik/eli5_how_does_youtubes_autogenerated_subtitles/
{ "a_id": [ "d31mnwf", "d31n5d9", "d31o7sj" ], "score": [ 5, 3, 2 ], "text": [ "Google took hundreds of hours of accurately subtitled video and fed it to a machine learning program that linked sound snippets to written words statistically. Then they had it run through YouTube match...
[]
[]
[ [], [], [] ]
dsao8c
almond milk and cookies
When I dunk my oreos in regular milk they tend to get softer/soggier within 30 seconds. I can leave an Oreo (from the same pack) in almond milk for like 5 minutes and it barely makes it any softer. WHY
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/dsao8c/eli5_almond_milk_and_cookies/
{ "a_id": [ "f6odp3s" ], "score": [ 4 ], "text": [ "Almond milk is honestly more like almond water. Cow milk have higher content of fat and sugar whereas almond \"milk\" does not." ] }
[]
[]
[ [] ]
95vq2x
- why do countries export a good to one country while they import the same exact good from another country?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/95vq2x/eli5_why_do_countries_export_a_good_to_one/
{ "a_id": [ "e3vqqc9", "e3vqr6w", "e3vr652" ], "score": [ 2, 3, 4 ], "text": [ "It's called wheeling and dealing. Read Walt Clyde Frazier's Wikipedia page if you need more help understanding", "From my understanding and i could be wrong they buy it from countries that sell it f...
[]
[]
[ [], [], [] ]
57f5hg
why aren't clothing sizes universal?
Why aren't clothing sizes based off of the same measurements instead of varying among brands? Is there a reason for this?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/57f5hg/eli5_why_arent_clothing_sizes_universal/
{ "a_id": [ "d8rgt2o", "d8rgttt", "d8rhjn1", "d8rhp8e", "d8ri1ai", "d8rku7r" ], "score": [ 3, 2, 12, 3, 2, 2 ], "text": [ "Clothing comes in different cuts and fabrics, so the measurements for the same sizes would mean different things anyway.", "I guess...
[]
[]
[ [], [], [], [], [], [] ]
3y97q5
is kwanzaa really celeberated? i've always heard of it growing up but have never seen people actually celebrating kwanzaa. i grew up in southern california. thanks
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3y97q5/eli5_is_kwanzaa_really_celeberated_ive_always/
{ "a_id": [ "cybkwy0" ], "score": [ 8 ], "text": [ "It is, but not by a huge number of people. One poll I found said that about 1.6% of Americans planned to celebrate it. " ] }
[]
[]
[ [] ]
40n28c
why has the price spread between 87 and premium (higher octane) gasoline widened so much lately?
About 5+ years ago I could get 87 octane, or I could spend about 10-20 more cents and get 89 or 91 octane, or I could spend 10-20 additional cents and get 93 octane. Now it is $1.99 for 87 octane and $2.99 for premium. The spread between 87 and 93 octane has more than doubled. I am in the Mid-Atlantic region of the US,...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/40n28c/eli5_why_has_the_price_spread_between_87_and/
{ "a_id": [ "cyvfmyc" ], "score": [ 4 ], "text": [ "Creating premium gasoline involves more of a refining process. This is work/labor and in addition to the cost of the crude that goes into it. So, when the cost for that \"work\" doesn't drop but the raw material does the difference will becom...
[]
[]
[ [] ]
5jsa2u
what happens to massive amounts of money donated to hospitals?
We hear about money raised for hospitals through various charities or athletes donating money, but what happens to the money? New equipment? Facilities? Payment assist? How much do hospitals rely on this money?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5jsa2u/eli5_what_happens_to_massive_amounts_of_money/
{ "a_id": [ "dbik676" ], "score": [ 2 ], "text": [ "It is spent on all the things you name. As to how much hospitals rely on donations, it depends on the hospital. Every hospital with \"St.\" or \"Saint\" at the beginning of it, or an affiliation with a church or religious group is highly dependen...
[]
[]
[ [] ]
e8ymsx
how do food charities take my $1 and provide 10 meals from it?
I just saw a commercial on TV for a charity to end Childhood Hunger. It said that if I donated 1 dollar that they would be able to provide 10 meals. That’s only 10 cents per meal! How do they do this?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/e8ymsx/eli5_how_do_food_charities_take_my_1_and_provide/
{ "a_id": [ "fafegul", "fafek8x", "fafipu0", "fafostg" ], "score": [ 5, 5, 9, 2 ], "text": [ "People who do things like that tend to buy in bulk. Very large bulk. Things are a lot cheaper that way, and when you're serving recommended serving sizes as opposed to what most pe...
[]
[]
[ [], [], [ "https://www.indexmundi.com/commodities/?commodity=rice&months=60" ], [] ]
89yiaj
how do un inspectors find chemical weapons in suspect nations?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/89yiaj/eli5_how_do_un_inspectors_find_chemical_weapons/
{ "a_id": [ "dwugcci", "dwut9tp" ], "score": [ 3, 3 ], "text": [ "They give notice of where they want to go and inspect. Normally after months of delay or blocking tactics and some strongly worded letters from the UN the country in question allows them in, by which time all trace of the we...
[]
[]
[ [], [] ]
dm833r
how does 'fuel efficiency' work with electric cars? i keep seeing wh/mi, but what does that mean? is a high wh/mi better than a low, or is it the other way around?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/dm833r/eli5_how_does_fuel_efficiency_work_with_electric/
{ "a_id": [ "f4ydl1i", "f4ydt0w", "f4yirz2" ], "score": [ 8, 2, 2 ], "text": [ "Watt hours are like gas. \n\nIf you had a battery with 100Wh then you could hook a 100 Watt light bulb to it and the bulb would run for 1 hour.\n\n200 Wh battery would last 2 hours in the same setup.\n...
[]
[]
[ [], [], [] ]
ar50c6
why aren't smart stop lights more prevalent in the us?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ar50c6/eli5_why_arent_smart_stop_lights_more_prevalent/
{ "a_id": [ "egku077", "egkwchx", "egkxei2", "egkxk0p" ], "score": [ 5, 3, 3, 2 ], "text": [ "Smart stop light what’s that?", "Lights don't have to be 'smart' but it would either be abused abuse or be problematic. In michigan, the lights are very well synched. Telegra...
[]
[]
[ [], [], [], [] ]
46tu2v
why does vinegar remove rust?
For [example](_URL_0_)
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/46tu2v/eli5why_does_vinegar_remove_rust/
{ "a_id": [ "d07tm8r", "d07v13b" ], "score": [ 2, 4 ], "text": [ "Rust is oxidized metal. Vinegar is an acid (acetic acid) which can dissolve this oxidation. Stronger acids would dissolve the rust *and* the metal.", "Rust contains iron oxide, but it's actually generally iron hydroxid...
[]
[ "https://www.youtube.com/watch?v=UQb9Gki-1fM&feature=share" ]
[ [], [] ]
96w1c3
when the sun was first formed, did it explode first? or did it just light up and start going?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/96w1c3/eli5_when_the_sun_was_first_formed_did_it_explode/
{ "a_id": [ "e43nxoo" ], "score": [ 9 ], "text": [ "No, it formed from an accretion disk comprised of gas and other materials. Once the disk was moving fast enough and became denser and denser nuclear fusion started and our star was born. Bit of a quick answer sorry!" ] }
[]
[]
[ [] ]
b6bgun
why do companies forbid employees from talking about salaries/pay with each other? and why at some companies it’s even a fireable offense?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/b6bgun/eli5_why_do_companies_forbid_employees_from/
{ "a_id": [ "ejj8tv9", "ejj91kw", "ejjawgc", "ejjb0h2" ], "score": [ 9, 2, 2, 2 ], "text": [ "There's an Adam Ruins Everything about it. Essentially its so companies can pay employees different wages for doing the same job.", "It makes it easier for companies to pay peo...
[]
[]
[ [], [], [], [ "https://www.nlrb.gov/about-nlrb/what-we-do/investigate-charges" ] ]
8k4hrh
whats the difference between 1% 2% and skimmed milk?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8k4hrh/eli5_whats_the_difference_between_1_2_and_skimmed/
{ "a_id": [ "dz4ppfm" ], "score": [ 3 ], "text": [ "Pasteurization is heating the milk just high enough to kill all the bacteria without ruining the milk.\n\n1%, 2%, whole and skim milk refer to the fat content of the milk. Originally whole milk was non-reduced, but the exact percentage depends on...
[]
[]
[ [] ]
7thcj7
why haven't we agreed on a standard shoe size measurement (and other clothing articles) for the whole world when we have the metric or imperial system of measurement?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7thcj7/eli5why_havent_we_agreed_on_a_standard_shoe_size/
{ "a_id": [ "dtcikqm", "dtcqlr1", "dtcyufh" ], "score": [ 8, 2, 2 ], "text": [ "The main reason is switching cost. This doesn’t necessarily need to be monetary, though that can certainly be a factor. People are set in there ways and are resistant to changing a system they are famil...
[]
[]
[ [], [], [] ]
1ojotj
what exactly is a virus and how does medicine rid it from our bodies?
I've always been confused as to what a virus actually is. Since it isn't "alive" like bacteria, how does medicine kill it or cure us from viral sickness?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1ojotj/eli5_what_exactly_is_a_virus_and_how_does/
{ "a_id": [ "ccsl51f", "ccsmr4k" ], "score": [ 3, 2 ], "text": [ "A virus is a piece of DNA or RNA covered in protein that has to infect a living cell so that cell can make copies of the virus. \n\nThe most effective treatment for a virus is to be vaccinated against it which gets the body...
[]
[]
[ [], [] ]
1zpqfh
why do companies use that plastic packaging that is near impossible to open?
Pic for reference: _URL_0_ I mean I don't think consumers wants this, so there has got be some explanation for it.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1zpqfh/eli5_why_do_companies_use_that_plastic_packaging/
{ "a_id": [ "cfvsf75", "cfvsh1s" ], "score": [ 3, 2 ], "text": [ "To prevent small items from being shoplifted.", "Ok, im gonna mark this as explained since you all agree, but still don't get why its gotta be so damn hard to open." ] }
[]
[ "http://i.imgur.com/rrSTljq.jpg" ]
[ [], [] ]
5saol6
why exactly are countries like japan who explicitly say no to refugees not receiving the same criticism as their western counterparts?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5saol6/eli5_why_exactly_are_countries_like_japan_who/
{ "a_id": [ "dddl1fw", "dddlglp", "dddm3hh", "dddmjm6", "dddmsrk" ], "score": [ 26, 14, 3, 2, 2 ], "text": [ "From my understanding this happens because Japan doesn't feel as responsible as other western countries like Europe and the US since it has had historically...
[]
[]
[ [], [], [], [], [] ]
2xhdis
why is human cloning research illegal in so many countries including all in the eu, russia and australia?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2xhdis/eli5_why_is_human_cloning_research_illegal_in_so/
{ "a_id": [ "cp03v5g", "cp040v8" ], "score": [ 3, 2 ], "text": [ "It's a huge ethical issue.\n\nObviously a cloned human was created for research, but does that mean that experiments may be done on them without their express consent? What experiments?\n\nObviously the details are far more ...
[]
[]
[ [], [] ]
9xxfh7
where do all the wasps and bees go, when it gets cold, do they hibernate?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9xxfh7/eli5_where_do_all_the_wasps_and_bees_go_when_it/
{ "a_id": [ "e9w2q2u", "e9w39fs", "e9w72j1", "e9wcvar", "e9wcvme", "e9wdiaj", "e9wfvxh", "e9wievo", "e9wjmhm", "e9wkhqq", "e9wll5i", "e9wlveo", "e9wqglr", "e9wt2rl", "e9wurb1", "e9wxx5t", "e9wyv5w", "e9wzmwz", "e9x3457", "e9x831t", "e...
[]
[]
[ [], [], [], [], [], [], [], [], [], [], [], [ "https://danieljmarsh.wordpress.com/tag/bee-candy/" ], [], [], [], [], [ "us.It" ], [], [], [], [], [], [], [], [], [], [], [], [], [] ]
6f931s
why do the vast majority of 8-bit (and some 16-bit) video games use the same font?
Referring to this: _URL_0_
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6f931s/eli5_why_do_the_vast_majority_of_8bit_and_some/
{ "a_id": [ "digcwpf" ], "score": [ 5 ], "text": [ "It's because your fonts can only get so complex on such a low pixel count. It's a font with good thickness, visible curved corners, good contrast, and getting kerning to work will be a hassle.\n\nIt's a good font, that's been on some good games, ...
[]
[ "http://orig09.deviantart.net/ac17/f/2016/291/e/5/super_mario_bros__nes_font_by_thewolfbunny-dali1ju.png" ]
[ [] ]
bk3s4t
if alcohol is a cns depressant, then why does it raise blood pressure and heart rate?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/bk3s4t/eli5_if_alcohol_is_a_cns_depressant_then_why_does/
{ "a_id": [ "emdx0qd", "emdx0qx", "emdzayw" ], "score": [ 2, 2, 2 ], "text": [ "We don't know the exact mechanism, but theories include impairment of baroreceptors (receptors that detect blood pressure) and effects of the angiotensin system (which affects blood pressure directly). ...
[]
[]
[ [], [], [] ]
4j8g2n
why is the "wo" in "woman" pronounced differently than the same letters in "women"?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4j8g2n/eli5_why_is_the_wo_in_woman_pronounced/
{ "a_id": [ "d34ks79", "d34lxq7", "d34n8dc" ], "score": [ 2, 7, 2 ], "text": [ "Here's what an article from Mental floss has to say about it. \n\n\"Before the printing press came along, there was a lot of flexibility in English spelling. Look at some of the ways beauty used to be s...
[]
[]
[ [], [], [] ]
8k3nnh
do alcoholics metabolize alcohol differently from average drinkers? how so?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8k3nnh/eli5_do_alcoholics_metabolize_alcohol_differently/
{ "a_id": [ "dz4u9ql", "dz4zdii", "dz514mr", "dz51gem", "dz52afy", "dz53ldm" ], "score": [ 257, 36, 13, 15, 2, 2 ], "text": [ "There are 2 methods for the body to metabolize alcohol. Light, occasional drinkers mostly only use one, the \"alcohol dehydrogenase...
[]
[]
[ [], [], [], [], [], [] ]
r04ek
the sopranos final scene.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/r04ek/eli5_the_sopranos_final_scene/
{ "a_id": [ "c41txrf", "c41v6mb", "c41v7g9" ], "score": [ 2, 14, 3 ], "text": [ "What don't you understand? \n", "An incredibly deep analysis can be found [here](_URL_0_).\n\nSimplified:\n\nTony Soprano is dead. Its actually quite a brilliant scene and is a fitting end for suc...
[]
[]
[ [], [ "http://masterofsopranos.wordpress.com/the-sopranos-definitive-explanation-of-the-end/" ], [] ]
aov3ge
how do they measure your muscle to fat ratio?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/aov3ge/eli5_how_do_they_measure_your_muscle_to_fat_ratio/
{ "a_id": [ "eg3qxi4" ], "score": [ 3 ], "text": [ "The most common method is to use a tool called calipers, which basically look like a small set of pliers that have numbers written on them to measure. They use the calipers to pitch someone's skin, and subcutaneous fat will limit how far the cali...
[]
[]
[ [] ]
5dm62f
movies used to show people dialing numbers like 555-1212. why couldn't film producers secure ordinary phone numbers from the phone companies by buying them outright?
This goes for television too. Buy a number like 734-2322 forever so no one in the future could use it except the movie/tv company.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5dm62f/eli5_movies_used_to_show_people_dialing_numbers/
{ "a_id": [ "da5ka3t", "da5lcvf", "da5mot0", "da5mst5", "da5p3v8", "da69p7c" ], "score": [ 20, 7, 6, 2, 8, 2 ], "text": [ "They can, and have. But why pay money when you don't have to? Also, they might not have that number forever, so whoever gets it after t...
[]
[]
[ [], [], [], [], [ "https://en.wikipedia.org/wiki/867-5309/Jenny" ], [] ]
4m5c4b
how a death metal frontman is vocally capable of performing more than one song at one show
It seems like most of those songs would instantly destroy your vocal cords. Yet there are artists that not only perform long shows, they tour and perform multiple shows.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4m5c4b/eli5_how_a_death_metal_frontman_is_vocally/
{ "a_id": [ "d3soyaw", "d3sp2jb", "d3stcyw", "d3suhxw", "d3suvux", "d3swclw", "d3t178x" ], "score": [ 13, 4, 3, 6, 2, 8, 2 ], "text": [ "It's really just a vocal technique. The vocalists sound like they are screaming, but they aren't especially.\n\n_...
[]
[]
[ [ "https://www.youtube.com/watch?v=-4jJS9-WMrA" ], [], [], [], [], [ "https://www.youtube.com/watch?v=b_uMOWvYni0", "https://www.youtube.com/watch?v=h6-krHfdmGg", "https://www.youtube.com/watch?v=MwTv45OW5Yw", "https://youtu.be/h6-krHfdmGg?t=2m52s", "https://www.youtube.com/watch...
1rnbkp
why is africa so accurately represented in old world maps?
I've been looking at old World maps, and I noticed how well Africa was drawn on all of them Here are some examples: _URL_0_ _URL_1_ While many other regions are really misrepresented. Does anyone know why?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1rnbkp/eli5_why_is_africa_so_accurately_represented_in/
{ "a_id": [ "cdoxnx5" ], "score": [ 5 ], "text": [ "Africa was very well mapped because those trade routes were important. Navigating by ship from western Europe around Africa and into India was extremely important and significantly easier compared than hauling cargo by land.\n\nCartographers didn...
[]
[ "http://2ndcitystudios.com/wp-content/uploads/2013/05/old-world-map-copy2.jpeg", "http://2.bp.blogspot.com/_p2KqxkFzn6A/S_ul-EIE8UI/AAAAAAAAAI0/nXc0GLsqSkA/s1600/old-world-map.jpg" ]
[ [] ]
224mka
what are the differences between business, economics, and finance?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/224mka/eli5_what_are_the_differences_between_business/
{ "a_id": [ "cgjacca" ], "score": [ 7 ], "text": [ "Entirely different (but related) fields of study.\n\nEconomics is ultimately about studying how people make decisions. The focus is primarly on how people, companies and countries make decisions to employ resources (which are scarce) to maximize...
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[ [] ]
20x6d3
how does my car know when something is wrong with it and why can't it tell me what it is more specifically?
My check tire pressure light came on, first of all, what is the sensor that sends this information to the computer, and second of all, if it's that smart, why isn't it smart enough to tell me something more specific about the problem, like which tire, is the tire pressure to low or too high?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/20x6d3/eli5_how_does_my_car_know_when_something_is_wrong/
{ "a_id": [ "cg7jvim", "cg7k9so" ], "score": [ 4, 3 ], "text": [ "The sensors vary based on what they measure -- some are pressure sensors, some are flow sensors, some are temperature sensors, some are combinations of many sensors.\n\nIt's a deliberate design decision to only show you that...
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[]
[ [], [] ]
40ksvd
how do stereo-blind people see in 3d?
Can they see in 3D using 3D-glasses like the ones in movie cinemas for 3D movies or do they need to wear some sort of special kind of glasses? or contacts? I'm curious because I'm planning to write a story about a character who usually wears red and blue glasses akin to the ones you see in the cinema and suddenly dec...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/40ksvd/eli5_how_do_stereoblind_people_see_in_3d/
{ "a_id": [ "cyuzm86", "cyv00rd" ], "score": [ 3, 2 ], "text": [ "The red and blue lenses in 3-D glasses work because the film itself, all the objects and visuals, are outlined with red and blue colors. For the eye with the blue lens, all blue colors are filtered out. For the eye with the ...
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[ [], [ "https://youtu.be/XCCtphdXhq8" ] ]
34l28d
why does singing/rhyming help you memorize? secondly, why does it seem to help motivate younger children to do things they normally wouldn't?
I could never get my 2yo daughter to help me clean up her toys, but once i started singing 'putting your toys in the box, putting your toys in the box' it's much easier to get her to go along.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/34l28d/eli5_why_does_singingrhyming_help_you_memorize/
{ "a_id": [ "cqvow9j", "cqvtjdr" ], "score": [ 10, 3 ], "text": [ "The human brain is hard wired to see patterns and repetition, it's how we hunt, gather, communicate, judge, problem solve. Patterns put our minds at ease, and make things easier to comprehend. It's actually why conspiracy t...
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[]
[ [], [] ]
366l19
if we all know that seaworld abuses their animals, how are they still allowed to continue? shouldn't they be charged and closed forever?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/366l19/eli5_if_we_all_know_that_seaworld_abuses_their/
{ "a_id": [ "crb6xfi", "crb7rtb" ], "score": [ 14, 3 ], "text": [ "Who said we all know this?", "New Zealand recently passed a law declaring animals Sentient.\n\nThe reason I say that is because it's still widely believed among the human animal that they are different, special, and uni...
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[ [], [] ]
d7thig
how a comum eraser can erase graphite, but not colour pencils?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/d7thig/eli5_how_a_comum_eraser_can_erase_graphite_but/
{ "a_id": [ "f14drsa", "f19gzfb" ], "score": [ 6, 2 ], "text": [ "Because they use wax rather than Graphite, Charcoal or Lead. \n\nHence why most of the world actually calls them Pencil Crayons.", "Graphite is a very powdery type of material when it is written with a pencil. The eraser...
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[]
[ [], [] ]
1rgi0r
why is chicken the only meat that you cannot eat raw?
You can go to sushi restaurants and eat salmon, tuna, eel.. you can go to a steak house and eat an almost-raw steak, but why can't a person eat raw chicken? I understand that chicken has elevated risk for salmonella, but don't the other meats also have risks for their own bacterias?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1rgi0r/eli5_why_is_chicken_the_only_meat_that_you_cannot/
{ "a_id": [ "cdmzyvd", "cdn00x2" ], "score": [ 3, 5 ], "text": [ "You can eat it raw and in many places they will serve it to you raw, or at least rare.\n\nIn the US, past outbreaks of salmonella in chicken and trichinosis in pork have led to powerful and effective public health campaigns ...
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[ [], [] ]
2kr883
why do i feel more confident, powerful, and forceful while i am menstruating?
What hormones make me feel like this and how do they work?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2kr883/eli5_why_do_i_feel_more_confident_powerful_and/
{ "a_id": [ "clnzpzs" ], "score": [ 2 ], "text": [ "This made me really curious so i found some answers [here](_URL_0_) \n\nBut i suppose to sum it up, mainly the rise in estrogen levels causes you to have an increased memory and energy, optimism and stuff like that which would obviously make you ...
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[ [ "http://hormonehoroscope.com/the-female-hormone-cycle/" ] ]
3pkjgq
how did white and black skin tones start?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3pkjgq/eli5how_did_white_and_black_skin_tones_start/
{ "a_id": [ "cw73f3g", "cw74r7s", "cw75skw", "cw77xtj" ], "score": [ 3, 6, 3, 2 ], "text": [ "Skin color comes from melanin concentration. More melanin=darker skin. Darker skin blocks out UV rays, which can be both positive and negative. The positive aspect is that dark ski...
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[ [], [], [], [] ]
3pd5a4
why do basketball players wear such long shorts? why are they passed their knees? shouldn't they be shorter since it would be easier to run with shorter shorts.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3pd5a4/eli5_why_do_basketball_players_wear_such_long/
{ "a_id": [ "cw596gx", "cw5amia" ], "score": [ 2, 2 ], "text": [ "It's merely a fashion decision; speed in basketball is more a function of reaction time than wind resistance (unlike, say, sprinting). The league has some office that decides how the uniforms are going to be styled each year...
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[ [], [] ]
1it1yh
why are microsoft windows' time estimates for moving/transferring data so ridiculously inaccurate?
I just had a 350 MB file transferring at 1.5 Mb/s (should take about 3.8 mins) which was predicted to finish moving in 5 hours. Why is this?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1it1yh/eli5_why_are_microsoft_windows_time_estimates_for/
{ "a_id": [ "cb7rd2w", "cb7rkr8" ], "score": [ 3, 7 ], "text": [ "To be fair to Microsoft (a first for me), they're not the only ones who have trouble with this.", "Phage0070 gave a great response to this last month in [this](_URL_0_) thread:\n\n\"Disk drives have on-board memory or \"...
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[]
[ [], [ "http://www.reddit.com/r/explainlikeimfive/comments/1gsh3z/eli5_why_cant_windows_accurately_predict_file/cancxw3" ] ]
9k9ys6
why are moles most prevalent on the shoulders than anywhere else on the body?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9k9ys6/eli5_why_are_moles_most_prevalent_on_the/
{ "a_id": [ "e6xj0kc" ], "score": [ 3 ], "text": [ "While this would be highly subjective, I can tell you why it's likely the case for you/other people:\n\n & #x200B;\n\nYour shoulders are the most likely area on your body to be exposed to the sun consistently aside from your face. This makes them...
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2avvkc
why does dasani and aquafina water taste different from normal water and odd to many people?
Dasani and Aquafina water, made by the Coca Cola and Pepsi companies respectively, have long been known to taste different from normal water. Many people complain and disdain this taste and a small minority, (which includes myself) enjoys and tolerates this different tasting water. Why does this water taste "different"...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2avvkc/eli5_why_does_dasani_and_aquafina_water_taste/
{ "a_id": [ "ciza7on" ], "score": [ 4 ], "text": [ "Aquafina (my favorite bottled water) and Dasani, are **PURIFIED** tap water, as opposed to spring water, like Ice Mountain. They come from a municipal water source (local utility) and then go through a purification process that differs between co...
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[ [] ]
yqn7u
why that, even if i just peed, getting in the shower makes me pee more, no matter how much or what i try to do to empty my bladder before i got in?
Also with getting in the pool or the bath, does the warm or cold water actually affect you physically? Or is it completely psychological?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/yqn7u/eli5_why_that_even_if_i_just_peed_getting_in_the/
{ "a_id": [ "c5xyhl0", "c5xzslf", "c5y0esh", "c5y169k", "c5y17g8" ], "score": [ 7, 4, 3, 2, 26 ], "text": [ "There are a bunch of reasons, but one I know of is that peeing is a way to cool down, like sweating. So when you are warmed you tend to want to pee. Running ...
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[ [], [], [], [], [] ]
9jt6v4
how does a stock broker borrow stocks for you to short-sell
I understand the concept of shorting a stock but exactly how does a stock broker borrow stocks for you to short, who do they borrow from? As a further question, most stocks are traded online without a real broker so how would I borrow stocks to sell online?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9jt6v4/eli5_how_does_a_stock_broker_borrow_stocks_for/
{ "a_id": [ "e6u2t67", "e6u2zw7" ], "score": [ 8, 4 ], "text": [ "A broker like a person? That’s old school. Basically they work for a bank or an investment house (eg investors group). Those banks or investor houses have millions of stocks of thousands of companies held in trust. That is, ...
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[ [], [] ]
4soazs
how do firefighters decide when to stop fighting fire on any building or structure?
What exactly do they look for, besides "Oh, well, it looks like all the fire has been put out."?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4soazs/eli5_how_do_firefighters_decide_when_to_stop/
{ "a_id": [ "d5au9mr", "d5avuqf" ], "score": [ 8, 118 ], "text": [ "Even if there is no more flames or smoke there could still be hot spots hidden inside walls or in other places. They go through the structure piece by piece and try to find the hot spots, tearing down walls if they suspect...
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[ [], [] ]
at23fi
how do shotgun ammo not shred the inside of the shotgun barrel?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/at23fi/eli5_how_do_shotgun_ammo_not_shred_the_inside_of/
{ "a_id": [ "egy3wx5", "egy3x2x", "egy9jsz" ], "score": [ 7, 2, 3 ], "text": [ "Because the barrel is made out of a material that is strong enough to endure the pressure. In late-medieval times, when the first guns were used, a whole lot of them did blow up. Nowadays they are just ...
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[]
[ [], [], [ "https://www.google.com/url?sa=i&source=images&cd=&cad=rja&uact=8&ved=2ahUKEwjEhp-N9szgAhVjmK0KHfsuD_YQjRx6BAgBEAU&url=https%3A%2F%2Fwww.pinterest.com%2Fpin%2F436708495105749402%2F&psig=AOvVaw3BrgDtgMYrHrYQjJLDUb1T&ust=1550841799546444" ] ]
ftj2mn
what do natural logs represent?
I'm aware that e is a number and I know how to do math with logs, but I've never understood what their graphs are used for. For example, exponential graphs are used for pratical reasons in a lot of careers to show growth and decay along with interest. I'm wondering if the graph of ln or logs in general has a similar pu...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ftj2mn/eli5_what_do_natural_logs_represent/
{ "a_id": [ "fm7l0zl" ], "score": [ 4 ], "text": [ "So 'exponentiation' is the mathmatical process that involves a base and an exponent: a^x = c, for example. The base 'a' raised to the power of 'x', equals a final answer 'c'. that's simple stuff. \n \nA logarithm is the exact opposite of that pro...
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[ [ "https://dj1hlxw0wr920.cloudfront.net/userfiles/wyzfiles/554c4b84-b3a0-4d4c-98f7-6ef5633a0d34.gif" ] ]
4kxbu4
why can't we have a strong wi-fi range?
I was wondering, DJI Phantom products have LightBridge technology that allows live HD video streaming of their drones which could stretch up to 5km. Is it possible to tap into such technology to give us a significantly better wi-fi range?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4kxbu4/eli5_why_cant_we_have_a_strong_wifi_range/
{ "a_id": [ "d3ijplc" ], "score": [ 13 ], "text": [ "Technically, we could turn up the power to increase range. Practically, that won't help. The problem is that every thing that broadcasts on the same frequency will interfere with each other. Think of it like people trying to be heard. Increasing...
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2i62i3
what exactly is rest (representational state transfer) and restful api?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2i62i3/eli5_what_exactly_is_rest_representational_state/
{ "a_id": [ "ckza136" ], "score": [ 3 ], "text": [ "I always have trouble explaining this.\n\nREST itself in general is a fairly simple protocol of exchanging data. It's not a thing - It's not a programming language, and it's not a piece of software, it's just an idea/method/architecture.\n\nImagi...
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28nf2h
why do sounds like "ch", "sh", and "th" not have letters of their own?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/28nf2h/eli5_why_do_sounds_like_ch_sh_and_th_not_have/
{ "a_id": [ "cickeq9", "cickhrf", "ciclk5i", "cicloaf", "ciclp2w", "ciclzwm", "cicn0pb", "cicqu2t", "cicrlh1", "cics7fr", "cicvg6e", "cicwr8u", "ciczgbf", "cid0acs", "cid5nos", "cidaymn" ], "score": [ 31, 2, 91, 12, 34, 3, ...
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[]
[ [ "http://en.wikipedia.org/wiki/IPA", "http://en.wikipedia.org/wiki/Thorn_(letter\\)", "http://en.wikipedia.org/wiki/Ð" ], [], [ "http://en.wikipedia.org/wiki/Thorn_(letter)" ], [ "http://upodn.com/phon.php", "http://www.merriam-webster.com/info/spelling-reform.htm" ], [], []...
3hrbn2
why do stimulants (cocaine, methamphetamine, ritalin) cause erectile dysfunction?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3hrbn2/eli5_why_do_stimulants_cocaine_methamphetamine/
{ "a_id": [ "cu9urgk" ], "score": [ 2 ], "text": [ "The involuntary nervous system controls sexual response, and that system is a two-part system: Parasympathetic (\"point\" i.e., erection) and Sympathetic (\"shoot\" i.e., ejaculation).\n\nCoke, meth and Ritalin all stimulate the sympathetic part ...
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[ [] ]
4v9mae
what actually happens that can cause women to die during childbirth?
In ancient times child birth was quite dangerous and it's still a danger today. I know that blood loss is a major factor but very few sites go into details about what actually happens that causes the bleeding or complications. Even though it says explain like I'm five, I'd prefer a nsfw or not safe for five year old ...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4v9mae/eli5_what_actually_happens_that_can_cause_women/
{ "a_id": [ "d5wmf17", "d5wmh1d", "d5wn5fu", "d5wnxva", "d5wp16k", "d5wpymd", "d5wr6np", "d5wsevv", "d5wt68e", "d5wtjoz", "d5wu5xw", "d5wu82h", "d5wu8rd", "d5wudlh", "d5wui74", "d5wuprd", "d5wuuxr", "d5wuwkx", "d5wux6a", "d5wv8mp", "d...
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[ [], [], [], [], [], [], [], [], [], [], [], [], [ "https://www.britannica.com/science/puerperal-fever", "http://www.pbs.org/newshour/updates/ignaz-semmelweis-doctor-prescribed-hand-washing/" ], [], [], [], [], [], [], [ "https://www.quora.com/What-is-the-evolution...
2i2g6q
genetically speaking, what purpose does different hair types pose?
i.e: Coarse hair, thin hair, thick hair, et cetera.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2i2g6q/eli5_genetically_speaking_what_purpose_does/
{ "a_id": [ "cky75ym" ], "score": [ 2 ], "text": [ "Nothing. It's a mutation. Not all mutations provide an advantage.\n\n\nMutations are a different evolutionary process than natural selection." ] }
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[ [] ]
1t84ch
how do dumb people get into such positions of power?
It seems that more often than not, dumb people come into positions of power. Like managers, government officials, or what have you. How does this keep occuring?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1t84ch/eli5_how_do_dumb_people_get_into_such_positions/
{ "a_id": [ "ce5b4t1", "ce5b6pb", "ce5bcq4", "ce5bnrr" ], "score": [ 4, 2, 3, 6 ], "text": [ "Managers and government officials aren't dumb. It's fun to portray them that way, but they're generally pretty bright people, at least in their area of expertise.", "The best ...
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[ [], [], [], [ "http://en.wikipedia.org/wiki/Peter_Principle" ] ]