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1q4wke | why haven't carnivorous land mammals reached the same size as the biggest predatory dinosaurs? | The largest predatory terrestrial mammals ever to have existed have only reached just over 2,000 kg. The largest theropod dinosaurs are thought to have gotten up to 21,000 kg. Why don't I see 23-ton lions running around terrorizing the neighborhood? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1q4wke/eli5_why_havent_carnivorous_land_mammals_reached/ | {
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"The Earth is colder now than it was in the late Cretaceous.\n\nAt the time plants thrived to such an extent that enormous volumes of plant and animal matter were present and some p... | [] | [] | [
[],
[],
[],
[]
] | |
485z8r | what happens when dna is repaired and what noticeable effects could come from it? | I have read that zinc helps aid in DNA repair but unsure of what this is | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/485z8r/eli5_what_happens_when_dna_is_repaired_and_what/ | {
"a_id": [
"d0hbg5j"
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"score": [
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"text": [
"This is going to be kinda long, and I'm not a geneticist - I'm not even a biologist, I'm an engineer - but I've studied up on this and really enjoy the topic, so you can consider me an informed layman. I'd take my thoughts as perhaps OK from an E... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Nucleobase"
]
] | |
1pmed9 | why is when a beaver makes their dams, it's consider "part of nature" but not when humans build buildings? | This question was asked by my teacher 3 years ago, and I'm still curious since she didn't give an answer to my class and just made us think about it.
I know beaver builds their dams for shelter just as humans makes buildings for shelter. We use different materials to make them. Both of us harm the enviorment in a way?... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1pmed9/eli5_why_is_when_a_beaver_makes_their_dams_its/ | {
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"text": [
"We define \"natural\" as all the stuff that isn't made by humans. That's just what the word means in normal language.\n\nThe confusion is that some people im... | [] | [] | [
[],
[],
[],
[
"http://99percentinvisible.org/episode/wild-ones-live/",
"http://jonmooallem.com/ABOUT-THE-BOOK"
],
[]
] | |
cjc2gn | how do gps satellites and receivers compute our position without synchronous clocks between them? | So I recently read that GPS satellites use atomic clocks and all the GPS satellites have synchronous time, but the receivers on the ground use a quartz clock which is not so accurate compared to the atomic clocks onboard the satelites. We know that the transmitted signal travels at the speed of light, so if we find out... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cjc2gn/eli5_how_do_gps_satellites_and_receivers_compute/ | {
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"text": [
"If you assume that the receiver have the exact same time as the transmitter then you would only need 3 satellites as you would be able to know the exact dist... | [] | [] | [
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e1ow11 | . what is the difference between death metal and deathcore? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/e1ow11/eli5_what_is_the_difference_between_death_metal/ | {
"a_id": [
"f8qw4q8"
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"text": [
"**Death Metal** – A subgenre of Heavy Metal Music that generally employs heavy distortion and low tuned guitars. Guitars usually are played with techniques such as *palm muting* (*muffled sound*) and *tremolo picking* (*high speed picking*). V... | [] | [] | [
[]
] | ||
5h0dfx | why do ears not have a natural defense mechanism like eyes (eyelids which we can close when we want) ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5h0dfx/eli5why_do_ears_not_have_a_natural_defense/ | {
"a_id": [
"dawdqz3",
"dawdun5",
"dawe7w4"
],
"score": [
3,
5,
21
],
"text": [
"They do. One of the functions of wax is to trap and contain foreign bodies before they enter the canal. Additionally there are hairs in the outer third of the ear canal which also contribute some form ... | [] | [] | [
[],
[],
[]
] | ||
3f232z | why does the president get criticism for high unemployment rates when our exponentially-advancing technology is designed with the purpose of minimizing human labor? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3f232z/eli5_why_does_the_president_get_criticism_for/ | {
"a_id": [
"ctkjmy2",
"ctkmnjy"
],
"score": [
3,
5
],
"text": [
"Our society is not ready to accept that some people just can't find a job no matter how hard they try, and its not a matter of them being lazy. ",
"Because minimizing labor is the same as increasing productivity. Peopl... | [] | [] | [
[],
[]
] | ||
tszdz | "jailbreaking" phones | I know that I'm going to have to have an iPhone jailbroken here soon, so I'm just curious as to what exactly I'll be paying someone to do when I pay them to jailbreak my phone? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/tszdz/eli5_jailbreaking_phones/ | {
"a_id": [
"c4pgilf"
],
"score": [
5
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"text": [
"An iPhone is made up of bits of metal and code. The metal bits are called the hardware. The code is called the software and is the operating system and apps. There is also something called 'firmware\" which allows the software to talk to the h... | [] | [] | [
[]
] | |
3g2f3j | does drinking cold water hydrate your body more then warmer water | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3g2f3j/eli5_does_drinking_cold_water_hydrate_your_body/ | {
"a_id": [
"ctu7e3k"
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"score": [
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"text": [
"I don't think warming the cold water takes a significant amount of extra energy to \"dehydrate\" you at all. However, a simple law of diffusion is that substances with more kinetic energy (more heat/warmer) will flow and diffuse faster than those... | [] | [] | [
[]
] | ||
3xeadx | how is it that, seemingly every time i drink out of a mug, a small drop of the liquid within manages to avoid my mouth? | Edit: For reference, the liquid I was drinking at the time of asking was tea. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3xeadx/eli5_how_is_it_that_seemingly_every_time_i_drink/ | {
"a_id": [
"cy3vlpw"
],
"score": [
13
],
"text": [
"Capillary action.\n\nSurface tension of your liquid is broken by your lips, or you'd never get any of the liquid in your mouth. The liquid now has access to your skin, and the forces of capillary action causes it to travel along the connection b... | [] | [] | [
[]
] | |
5kli3r | city water waste | I'm curious as to why something like taking really long showers or running the tap wastes so much water. Doesn't it just go down the drain and back through the city water system? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5kli3r/eli5_city_water_waste/ | {
"a_id": [
"dboxf81"
],
"score": [
3
],
"text": [
"Put plainly, treated sewage water is not potable. \n\nWhere does the treated water go?\n\nThis largely depends on the city / area of the water company. Most is treated through different processes and then released into the rivers or other water c... | [] | [] | [
[]
] | |
542t6w | why does food in the microwave sometimes make popping sounds? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/542t6w/eli5_why_does_food_in_the_microwave_sometimes/ | {
"a_id": [
"d7yf3vl"
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"score": [
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"text": [
"The rapid expansion of steam as water boils, then bursts out of the food. Popcorn is a good example, it pops more violently because the kernels are effective pressure vessels and only pop after a relatively high internal pressure is achieved. Du... | [] | [] | [
[]
] | ||
4gmdok | why do mushy blueberries taste sweeter? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4gmdok/eli5_why_do_mushy_blueberries_taste_sweeter/ | {
"a_id": [
"d2iup9z"
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"score": [
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"text": [
"Plant parts have chemicals in them. Fruits are plant parts. Fruits start out as not ripe yet. The chemicals in not ripe fruits are not sugars. When fruits get ripe, the chemicals change into sugars. Blueberries are fruits. When blueberries ... | [] | [] | [
[]
] | ||
2c67tr | if making your heart work strengthens it (like via cardio exercise) does that mean anxiety/stress can do the same if it makes your heart beat faster? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2c67tr/eli5_if_making_your_heart_work_strengthens_it/ | {
"a_id": [
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"score": [
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"text": [
"This is a great question, with quite a complex and not complete answer. Currently there are some interesting concepts to introduce. One is pathologic (disease causing) and Physiologic ( normal body response) hypertrophy (mus... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Takotsubo_cardiomyopathy"
],
[]
] | ||
8gihtj | the birthday paradox and what are the odds that someone was born the same month and day (not year) as me? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8gihtj/eli5_the_birthday_paradox_and_what_are_the_odds/ | {
"a_id": [
"dybx067",
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"score": [
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5,
3
],
"text": [
"The Birthday Paradox isn't that somebody was born on the same day **as you**, it's that when you have a room full of people, the odds that at least **two of them share a birthday** gets very high, very ... | [] | [] | [
[],
[],
[]
] | ||
f9uw3y | what is a virtual network and a vlan and how are they different? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f9uw3y/eli5_what_is_a_virtual_network_and_a_vlan_and_how/ | {
"a_id": [
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"score": [
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"text": [
"I will give an explanation using the widely accepted definition of these terms, but they are often exchanged.\n\nVLANs connect physical clients together as if they were in a LAN, even if they are in different locations and o... | [] | [] | [
[],
[]
] | ||
2fywg8 | why are 3rd party data brokers are allowed to collect our private information ? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2fywg8/eli5_why_are_3rd_party_data_brokers_are_allowed/ | {
"a_id": [
"cke6tq3"
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"score": [
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"text": [
"Because you use Facebook for free. So Facebook is like oh hey I see OP is googling gift ideas for his mom, I'll show an add for a lovely set of flowers for her! It's a trade off. Had Facebook charge users to use the site, they wouldn't need add ... | [] | [] | [
[]
] | ||
1bqqqd | the definition of a second (the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of a cesium 133 atom at rest at a temperature of 0k). | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1bqqqd/eli5_the_definition_of_a_second_the_duration_of/ | {
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"text": [
"ELI5: The title of this question",
"Let's forget about hyperfine transitions and all that stuff. Atoms give off light. Light is a wave, so it oscillates a particular number of... | [] | [] | [
[],
[],
[],
[
"http://en.wikipedia.org/wiki/Atomic_clock",
"http://en.wikipedia.org/wiki/Pendulum_clock",
"http://en.wikipedia.org/wiki/Crystal_oscillator"
]
] | ||
4a6uqe | how is it every commercial is so annoying it basically just makes me want to punch the manufacturer in the face and boycott the product completely, yet they still consider advertising advantageous? | Am I just abnormal and everyone else is singing the little Comercial jingles for the 50th time In a half hour broad cast? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4a6uqe/eli5_how_is_it_every_commercial_is_so_annoying_it/ | {
"a_id": [
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"score": [
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"text": [
"Advertising generally targets a particular market. They don't try to appeal to everyone. You probably aren't the target, and you're certainly not the first person to dislike advertising.",
"Some com... | [] | [] | [
[],
[],
[]
] | |
g1e2iv | what is the little dent underneath your nose on your upper lip for? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/g1e2iv/eli5_what_is_the_little_dent_underneath_your_nose/ | {
"a_id": [
"fnfbujr",
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"score": [
12,
31
],
"text": [
"It's to help twin airstreams from your two nostrils form into a single air current, to prevent vortex formation and improve respiration efficiency.",
"In short- nothing. It is the leftover/imperfection when different p... | [] | [] | [
[],
[]
] | ||
4bfckr | why is it that the ps3/xb360 have barely functional emulators, yet the wii u within a year has an emulator that can run super mario 3d world at full speed? | cemu (wii u emulator) running 3d world at 60fps: _URL_0_
it doesn't make sense to me, the ps3/360 have been around for a very long time yet emulation on them is extremely limited -- is it just that way more people are interested in emulating nintendo games? something to do with nintendo's hardware being easier to hack... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4bfckr/eli5_why_is_it_that_the_ps3xb360_have_barely/ | {
"a_id": [
"d18mg6u",
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"score": [
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6
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"text": [
"Basically, because the X360 and PS3 have more demanding hardware than the Wii U.\n\nThe last and current generation of consoles have a gap in the way of power. The X360/PS3 were more powerful than the Wii, and similarly, the... | [] | [
"https://streamable.com/853r"
] | [
[],
[]
] | |
4b91ht | how do first-time senators, governors, or even presidents even know what to do. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4b91ht/eli5_how_do_firsttime_senators_governors_or_even/ | {
"a_id": [
"d171eko"
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"score": [
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"text": [
" They hire numerous staff members, many of whom have been in similar positions before. Also, new members of the United States Congress are literally given a book telling them how to do the job. Also, members of their party will give them extensi... | [] | [] | [
[]
] | ||
28r5kk | why do some cultures consider being left-handed to be wrong? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/28r5kk/eli5_why_do_some_cultures_consider_being/ | {
"a_id": [
"cidmoa4",
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"score": [
2,
4,
4
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"text": [
"Think of wiping prior to the development of toilet paper and eating without utensils. Thus very, very strong norms of one hand is for clean activities and one hand for dirty activities. Left handednes... | [] | [] | [
[],
[],
[]
] | ||
3nk9km | why does it seem like we're all far better drivers than everyone around us? | Every person in the world will tell you how shitty all the other drivers in their cities are. But statistically, many of us have to be those shitty drivers ourselves. So why does it seem like every other person on the road is either a dangerous maniac or a moron who probably slept with their instructor just to get thei... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3nk9km/eli5_why_does_it_seem_like_were_all_far_better/ | {
"a_id": [
"cvotxkw",
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"score": [
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3
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"text": [
"It boils down to a few things.\n\n1. Being in control. You aren't going to notice if you do something stupid, but you are sure as hell going to notice the 3500 pound death machine next to you if it does something out of rou... | [] | [] | [
[],
[]
] | |
2tx3ef | why weren't certain films (fight club, dark knight, back to the future, empire strikes back, etc.) nominated for best picture, even though they have proven themselves to be some of the best films of all time? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2tx3ef/eli5why_werent_certain_films_fight_club_dark/ | {
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"score": [
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6,
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"text": [
"This isn't an answer to your question but perhaps there should be an award for movies ten years after their release, you know...for films that were too brilliant at the time to be ... | [] | [] | [
[],
[],
[],
[]
] | ||
68wti2 | why is it common to see the flag of the confederate states of america in states which were never members of the confederacy? | As a lifelong resident of North Carolina, I realized long ago that living in a southern state comes with an inherent likelihood of encountering the flag of the Confederacy upon occasion. It's on bumper stickers, it's in people's yards, you can buy it on shot glasses and you can buy all sorts of less common merchandise ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/68wti2/eli5_why_is_it_common_to_see_the_flag_of_the/ | {
"a_id": [
"dh1wx6v",
"dh1xjkn",
"dh1zwx9"
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"score": [
3,
2,
3
],
"text": [
"Every state has Confederate apologists in it.\n\nIt's the modern way to fly the Nazi flag without flying the Nazi flag.\n\nThe Confederate flag, whatever it may have once represented, is now the flag of... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Army_of_Northern_Virginia#/media/File:Battle_flag_of_the_Confederate_States_of_America.svg",
"https://en.wikipedia.org/wiki/Confederate_States_of_America#/media/File:Flag_of_the_Confederate_States_of_America_(1861-1863).svg"
],
[]
] | |
4ryxtb | why is it that the night/absence of light tends to have a more "sad" atmosphere than during the day? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4ryxtb/eli5_why_is_it_that_the_nightabsence_of_light/ | {
"a_id": [
"d559do8"
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"score": [
3
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"text": [
"Humans have always shared a primordial fear of darkness, due to the fact that human rely on sight more than any other sense. When we can't use our main sense, we're thrusted into an uncomfortable position, psychologically. So, we associate the da... | [] | [] | [
[]
] | ||
31apb5 | if we start mining nearby moons/planets to build superstructures on earth could we transfer enough material to alter earths orbit and potentially destroy ourselves? | If we start mining nearby moons/planets to build superstructures on earth could we transfer enough material to alter Earths orbit and potentially destroy ourselves? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/31apb5/eli5_if_we_start_mining_nearby_moonsplanets_to/ | {
"a_id": [
"cpzub4d",
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"score": [
3,
2
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"text": [
"I really really doubt we could, if you consider how much it requires to just put small amounts of material into space ( cost of one pound space cargo is roughly 10,000$). Now imagine putting up some heavy machinery and start... | [] | [] | [
[],
[]
] | |
2l9zom | does my cat actually know what it's name is, or does it just know that every time it hears that sound, it's generally associated with something good happening, for example being fed? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2l9zom/eli5_does_my_cat_actually_know_what_its_name_is/ | {
"a_id": [
"clssaih",
"clssxdu"
],
"score": [
5,
2
],
"text": [
"To \"know it's name\" in a way that is different from associating the sound with what happens when the sound is made would seem to require a notion of \"what a name is\". I'm pretty sure the concept of \"naming\" is entirel... | [] | [] | [
[],
[]
] | ||
71vwr0 | how do huge transactions take place? | For instance, If I were to buy a sports team for $2billion how would I pay that sum. It would be foolish to think that one would write a check. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/71vwr0/eli5how_do_huge_transactions_take_place/ | {
"a_id": [
"dndxgei"
],
"score": [
2
],
"text": [
"Wire transfer, and its not a big deal\n\nYou have to understand that financial institutions transfer and mash around billions of dollars a day, and in far more complex methods and such, none of this is an issue. This is just one more transaction ... | [] | [] | [
[]
] | |
alun64 | why are only certain buildings burned in wildfires but not trees and other buildings? (ps sorry if this is the wrong flair, i wasn't sure which one to add!) | so i, like many others, have just finished watching the new shane dawson conspiracy theory video. while i do not believe in most conspiracies and find it pretty silly that people actually believe that "tHe GoVeRNmeNt" is out to get us or whatever, i do find it odd how buildings burn down but not the trees right next to... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/alun64/elif_why_are_only_certain_buildings_burned_in/ | {
"a_id": [
"efh3x0w"
],
"score": [
5
],
"text": [
"Those trees are a species that's evolved to have fire as part of it's life cycle. They are alive, and thus full of water. They also have thick bark that protects them from fire for a little while. A forest fire is hot, but fast moving. Even b... | [] | [] | [
[]
] | |
3lrukh | why do some pictures load quickly, and some take forever? (mobile) | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3lrukh/eli5_why_do_some_pictures_load_quickly_and_some/ | {
"a_id": [
"cv8s70h"
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"score": [
2
],
"text": [
"Can you give examples?\n\nThere could be a few reasons, most important is the size of the image and the compression. Another is the server hosting the image and how many are viewing it."
]
} | [] | [] | [
[]
] | |
5te2hq | what is black light and how do we artificially produce it? | I thought the colour black was absence of light, how can we produce a lamp which shines black light? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5te2hq/eli5_what_is_black_light_and_how_do_we/ | {
"a_id": [
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"ddmb42r"
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29,
26,
3,
5,
9
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"text": [
"Black light is light of a color that is outside of our visible color range (usually ultraviolet). We produce it just like we produce any other color of ligh... | [] | [] | [
[],
[],
[],
[],
[]
] | |
54ok4e | why do we feel the urge to cover a body part when we see another person with that body part injured? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/54ok4e/eli5_why_do_we_feel_the_urge_to_cover_a_body_part/ | {
"a_id": [
"d8d83on",
"d83tn1z"
],
"score": [
2,
4
],
"text": [
"/u/RoiDeLimbourg did a pretty good job in explaining why this happens. I'll fill in on how this happens.\n\nYou have many types of neurons in your body. One type is found in your brain and they're known as mirror neurons. Mi... | [] | [] | [
[],
[]
] | ||
6jsdmn | why is classroom size considered such a big deal in grades 1-12 yet once you get to college you are thrown into huge 300 person lectures and it's considered normal? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6jsdmn/eli5_why_is_classroom_size_considered_such_a_big/ | {
"a_id": [
"djgli29",
"djglinh",
"djglmv5",
"djgnk4d",
"djgq0cd",
"djgqa37",
"djgsbck",
"djgw36k",
"djh4pz4"
],
"score": [
97,
2,
7,
88,
4,
8,
2,
7,
2
],
"text": [
"It's a big deal in college too. One of the reason small private scho... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[]
] | ||
6rmnui | why is it that we can hear people talking outside when we're inside a building, but not vice versa? | I used to think of this when I lived in a dorm in college. I was on the 6th floor, and with the windows closed, I could hear people talking, even if they weren't drunk and yelling, on the sidewalk outside. I've always wondered what the building must have been made of to allow me to hear conversations as if they were ju... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6rmnui/eli5_why_is_it_that_we_can_hear_people_talking/ | {
"a_id": [
"dl66rob",
"dl67etq"
],
"score": [
4,
9
],
"text": [
"The noise levels outside are going to be higher than inside if you are able to hear what people are saying outdoors, therefore. Ahh who am I kidding I dunno wtf I'm talking about",
"5 reasons come to my mind:\n\n* when y... | [] | [] | [
[],
[]
] | |
279167 | why do oddsmakers use different ratios like 6/5, 12/1, and 5/2, instead of simply relating every ratio to 1 to make it easier to follow? ie. 1.2/1, 12/1, and 2.5/1 for the odds i listed above. | ^ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/279167/eli5_why_do_oddsmakers_use_different_ratios_like/ | {
"a_id": [
"chyitn4"
],
"score": [
2
],
"text": [
"Why would you use a decimal in a fraction? You realize the notations were invited to work against one another not with right?\n\nThis is my explanation. But also they do, it just depends on the betting hall."
]
} | [] | [] | [
[]
] | |
bf4yun | why does dead silence cause you to "go insane"? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bf4yun/eli5_why_does_dead_silence_cause_you_to_go_insane/ | {
"a_id": [
"elaw8qq"
],
"score": [
7
],
"text": [
"We don't really know why, but the prevailing ideas from sensory deprivation experiments are that your brain is built around and assumption of inputs and the processing of these inputs is \"grounding\" in your reality. However, the brain is going... | [] | [] | [
[]
] | ||
aiai67 | how the perception of time and distance is relative based on varying properties of gravity and speed? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/aiai67/eli5_how_the_perception_of_time_and_distance_is/ | {
"a_id": [
"eem9w5a"
],
"score": [
3
],
"text": [
"Because space and time are the same thing. They are just different dimensions of spacetime.\n\nSo if I dump it down to make it easy to understand the relation. If you increase your speed in the dimensions of space, you decrease your speed in the ... | [] | [] | [
[]
] | ||
9h51zr | how is it possible for free divers to dive to deep depths while holding their breath for so long and be able to decompress their lungs when they have to ascend back to the surface? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9h51zr/eli5_how_is_it_possible_for_free_divers_to_dive/ | {
"a_id": [
"e694uh4",
"e6974g5",
"e697nqh",
"e698m0m"
],
"score": [
2,
13,
13,
3
],
"text": [
"The most dangerous part of decompression is that nitrogen molecules can form nitrogen gas in the bloodstream if decompression occurs too quickly, and that can do things like cut ... | [] | [] | [
[],
[],
[],
[]
] | ||
32btsa | how does paracetomol work? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/32btsa/eli5_how_does_paracetomol_work/ | {
"a_id": [
"cq9qy7s",
"cq9rk95"
],
"score": [
16,
3
],
"text": [
"The mechanism of action for Paracetamol/acetomenophen is not entirely understood. It *probably* inhibits COX, which is an enzyme that is part of the chemical pathway for chemical pain signals in the body. Inhibit the enzyme... | [] | [] | [
[],
[]
] | ||
1g07ts | a quick summary of the recent r/atheism drama? | So I've been away from the main subreddits for a while but I heard talk of it and found five new subreddits and dozens of cringeworthy posts and rants. What went down? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1g07ts/eli5_a_quick_summary_of_the_recent_ratheism_drama/ | {
"a_id": [
"cafhzm1",
"cafi7l2",
"cafizd5",
"cafjm4p"
],
"score": [
6,
4,
28,
3
],
"text": [
"This may not be the best answer, but I believe links to memes were recently made against the rules. So, in \"retaliation\" people made many self posts about how they had their bel... | [] | [] | [
[],
[],
[],
[]
] | |
2wm9xx | why are there background dancers in every hindi movie? | Hey, I'm not Caucasian or live in a first world country and neither do I live in India, but it's near to India and so there are many indian movies on TV and it's all very redundant o.o! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2wm9xx/eli5why_are_there_background_dancers_in_every/ | {
"a_id": [
"cos5o1u",
"cos9ty7",
"cosah1k"
],
"score": [
10,
5,
2
],
"text": [
"As a Caucasian who does live in a first world country, I just assume that is what India is like and choose not to question it.",
"Because if they danced in the foreground it would be too distractin... | [] | [] | [
[],
[],
[
"https://www.youtube.com/watch?v=WlfXDBu6AOg",
"https://www.youtube.com/watch?v=ePk0e6ulk_w"
]
] | |
1924y8 | what is it like being a regular citizen of north korea? | Keep reading about people who escaped NK. How typical is their story? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1924y8/eli5_what_is_it_like_being_a_regular_citizen_of/ | {
"a_id": [
"c8koq3g"
],
"score": [
2
],
"text": [
"Here's a very interesting BBC documentary, following a typical North Korean family: _URL_0_"
]
} | [] | [] | [
[
"http://youtu.be/QSrcLC6Zz54"
]
] | |
c5z5nc | why do organisms that live in prolonged darkness slowly lose their vision? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/c5z5nc/eli5_why_do_organisms_that_live_in_prolonged/ | {
"a_id": [
"es538qs",
"es53bbl"
],
"score": [
8,
2
],
"text": [
"You mean as an individual or as a species?\n\nIndividually, an animal born into darkness can permanently lose their vision. Their brains never develop the ability to process their visual stimuli. There are some sad but int... | [] | [] | [
[],
[]
] | ||
t9vgl | how a boxing match with no ko is 'decided' by the refs. | I know nothing about boxing, so try to make it painfully simple. Thanks ELI5! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/t9vgl/eli5_how_a_boxing_match_with_no_ko_is_decided_by/ | {
"a_id": [
"c4krwom",
"c4kt89m"
],
"score": [
9,
3
],
"text": [
"There are different methods of judging, this is the way used in the olympics.\n\nThere are five judges. Each judge has two buttons in front of him, one for each boxer. When he thinks a boxer has hit the other with a clean pu... | [] | [] | [
[],
[]
] | |
36zozn | whats stopping billionaires from starting up there own micro-nations to act as tax havens? | Say something the size of Lichtenstein or San Marino and Monaco | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/36zozn/eli5_whats_stopping_billionaires_from_starting_up/ | {
"a_id": [
"crifzga"
],
"score": [
3
],
"text": [
"The fact that there is no land, anywhere on Earth, that isn't claimed by another country or reserved by international treaty.\n\nSo, really, the only way to start a country is by force of arms."
]
} | [] | [] | [
[]
] | |
21dd92 | if you had enough money and bought all the land in a country would you then own that country? | You can buy land and if you buy a house you get the land it's on and you own that land... So can you own ALL the land in a country? And would you own the country if you did? If you kindly let people live on it would you be in charge of them? Could you set your own laws? Would it sorta be like the situation in the Vatic... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/21dd92/eli5_if_you_had_enough_money_and_bought_all_the/ | {
"a_id": [
"cgby5m6",
"cgbyr4y",
"cgbyyl9",
"cgbzanr",
"cgc2o7s",
"cgc3vmf",
"cgc602w",
"cgc7yjn",
"cgc9jb8"
],
"score": [
2,
2,
51,
3,
2,
6,
18,
3,
2
],
"text": [
"you wouldn't be able too buy all the land. most land just isnt for ... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/List_of_micronations"
],
[],
[],
[],
[
"http://en.wikipedia.org/wiki/Jewish_land_purchase_in_Palestine"
],
[],
[]
] | |
9k3b4h | what does vaseline or similar products mean by: “petroleum jelly”? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9k3b4h/eli5_what_does_vaseline_or_similar_products_mean/ | {
"a_id": [
"e6w4i5u"
],
"score": [
6
],
"text": [
"The product is a jelly made from petroleum. It’s literally in the name. It originally was a byproduct of oil drilling that built up on the rigs. \n\n"
]
} | [] | [] | [
[]
] | ||
12ttpb | canadian here. why was fdr president for three terms when the maximum you can serve is two terms? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/12ttpb/eli5_canadian_here_why_was_fdr_president_for/ | {
"a_id": [
"c6y1ki4",
"c6y24ip",
"c6y5g88"
],
"score": [
7,
3,
3
],
"text": [
"Because that wasn't the law when he was in office.",
"I think he was elected 4 times.",
"When George Washington was first president back in 1776, he chose to only serve for two terms. There was ... | [] | [] | [
[],
[],
[]
] | ||
39lx5k | why don't we recognize a person who wants to identify with a different race (white, black etc) than their birth race, the same way we acknowledge those who identify with a different gender than their birth sex? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/39lx5k/eli5_why_dont_we_recognize_a_person_who_wants_to/ | {
"a_id": [
"cs4fvqb",
"cs4g6mv"
],
"score": [
6,
6
],
"text": [
"There is some evidence for biological differences between men and women's brains, but no evidence for race-based differences. \n\nHuman races are the result of a bunch of relatively low-impact (they don't affect very much el... | [] | [] | [
[],
[]
] | ||
41497q | if a black hole is formed from a supernova explosion, doesn't that mean the black hole is lighter than the original star? | If a black holes form as the result of stellar explosions, doesn't that mean the resulting black hole is lighter than the the original star? Some portion of the star's original mass gets blasted out faster than escape velocity, right?
If that's the case, doesn't that imply that there's already a black hole/event hori... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/41497q/eli5_if_a_black_hole_is_formed_from_a_supernova/ | {
"a_id": [
"cyzg7oz"
],
"score": [
3
],
"text": [
" > If a black holes form as the result of stellar explosions, doesn't that mean the resulting black hole is lighter than the the original star? Some portion of the star's original mass gets blasted out faster than escape velocity, right?\n\nYep\... | [] | [] | [
[]
] | |
1fwhaz | why do bugs circle people's heads. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1fwhaz/eli5_why_do_bugs_circle_peoples_heads/ | {
"a_id": [
"caf0kx3",
"cafuo11"
],
"score": [
3,
2
],
"text": [
"Mosquitoes - because they can smell you and you're delicious.\n\nGnats - I've heard it's because they're attracted to the carbon dioxide that you exhale. Don't know how true that is.\n\nWasps - because they're dicks.",
... | [] | [] | [
[],
[]
] | ||
3o95u3 | how does an expansion team in a sport get its players in its first year? | Do they sign free agents only for the first year? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3o95u3/eli5_how_does_an_expansion_team_in_a_sport_get/ | {
"a_id": [
"cvv3oc5",
"cvv5c06"
],
"score": [
4,
9
],
"text": [
"So I know that Major League Soccer opens up an Expansion Draft in years that teams are starting and allows those teams to draft from existing MLS teams. Existing teams get to protect 11 of their players so they're off limits... | [] | [] | [
[],
[]
] | |
3dlbld | have bugs always been attracted to light, even before lights were invented? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3dlbld/eli5_have_bugs_always_been_attracted_to_light/ | {
"a_id": [
"ct691ex"
],
"score": [
2
],
"text": [
"Yes. That is a response 'meant' for the moon. It's similar to how new born sea turtles follow the moon to make it to the ocean, but can become misguided by man made light sources."
]
} | [] | [] | [
[]
] | ||
2j3x6q | why are no major drug companies producing medical cannabis. | From what I have seen most of the growers and producers of medical Cannabis have been home operations, rather that large scale industrial programs like those for morphine which is produced from opium. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2j3x6q/eli5why_are_no_major_drug_companies_producing/ | {
"a_id": [
"cl85ee9",
"cl85qdk",
"cl8ef6x",
"cl8w06y"
],
"score": [
42,
2,
4,
2
],
"text": [
"the reason is because of how the Federal Government categorizes drugs into [schedules](_URL_0_). Under Federal law, Marijuana is considered a schedule I controlled substance, whi... | [] | [] | [
[
"http://www.deadiversion.usdoj.gov/schedules/index.html"
],
[],
[],
[]
] | |
1p1jez | why do tobacco users frequently offer tobacco to non users? | It seem friends, family , and coworkers are always offering me cigarettes and chew. Isn't that stuff expensive? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1p1jez/why_do_tobacco_users_frequently_offer_tobacco_to/ | {
"a_id": [
"ccxrxnl"
],
"score": [
2
],
"text": [
"People who use tobacco genuinely enjoy using tobacco... otherwise they wouldn't use it. They're sharing something they enjoy with you, because you are a friend, and they want you to be happy.\n\nBefore you launch a tirade about how damaging to yo... | [] | [] | [
[]
] | |
1pyvbs | is there a way to vaccinate via mosquitoes? |
I figure that if Mosquitoes can carry virus such as EEE, West Nile, and Malaria, then they should be able to carry a dormant version of the virus as well. If we breed Mosquitoes that can contract this virus, would there be a way to vaccinate Human populations via mosquitoes. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1pyvbs/is_there_a_way_to_vaccinate_via_mosquitoes/ | {
"a_id": [
"cd7g0ez",
"cd7kdix"
],
"score": [
3,
2
],
"text": [
"mosquitos don't inhert diseases from birth. mosquitos get infected blood from one victim and it transfers to the next victim via residual on their proboscis.\n\nin order for your idea to work, mosquito's would have be bred... | [] | [] | [
[],
[]
] | |
2d5n7j | how does push starting a car work? | I was about to head home from work and my starter motor wouldn't even make a sound. So I called my dad over to help me figure out what's wrong. He suggested that we take it home and look at it there. He told me that since it has a manual transmission, we can just push it as fast as we can, jump in, put it in gear, p... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2d5n7j/eli5_how_does_push_starting_a_car_work/ | {
"a_id": [
"cjmayiq"
],
"score": [
4
],
"text": [
"A car's engine has to spin at a certain speed in order to be self sustaining, any lower then internal friction will overcome the power output and momentum of the flywheel and it will stop. The starter is a small electric motor that will turn the... | [] | [] | [
[]
] | |
3uo1ti | why do very old colored videos look more blurry/low resoloution than older black and white videos? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3uo1ti/eli5_why_do_very_old_colored_videos_look_more/ | {
"a_id": [
"cxge5eo",
"cxgetz0"
],
"score": [
2,
2
],
"text": [
"It may have something to do with the development process of old timey film. We only did black and white prints in the darkroom when I was taking photography class, but I've heard the process for developing color film the old... | [] | [] | [
[],
[]
] | ||
aqj2hb | why does the body automatically make your eyes and nose leak when you are vomiting? | Title | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/aqj2hb/eli5_why_does_the_body_automatically_make_your/ | {
"a_id": [
"eggalp5"
],
"score": [
7
],
"text": [
"Protection.\n\nVomit is full of stomache acid that can hurt your sinuses and throat/mouth. So before, and as, you are vomiting your body ramps up saliva and mucus production. The muscle contractions then force it out as you vomit."
]
} | [] | [] | [
[]
] | |
3x86wz | why do we have special medical facilities for veterans as opposed to giving them something akin to medicare for their health needs? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3x86wz/eli5_why_do_we_have_special_medical_facilities/ | {
"a_id": [
"cy2btm0",
"cy2buga"
],
"score": [
30,
8
],
"text": [
"You can read about the history of VA hospitals here: _URL_0_\n\nBasically its roots are back in the day before Medicare was invented.\n\nAs for why they don't abolish the VA and replace it with direct benefits.... you know ... | [] | [] | [
[
"http://www.va.gov/about_va/vahistory.asp"
],
[]
] | ||
8qy3ef | how do scientists know how many layers the earth has? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8qy3ef/eli5_how_do_scientists_know_how_many_layers_the/ | {
"a_id": [
"e0mzfhn"
],
"score": [
8
],
"text": [
"“Today, by using seismological and magnetic field data as well as other theoretical calculations, it's possible to get a sense of the actual size and composition of our planet's nether regions. Because there's no way to get a sample of the Earth'... | [] | [] | [
[
"https://www.popularmechanics.com/science/environment/a7749/how-do-we-know-whats-in-the-earths-core-pm-explains-9750875/"
]
] | ||
2rrefd | most if not all sexy looking cars (lambo, lotus, porsche, corvette) are extremely expensive. why don't they make a car with a sexy exterior like those listed above but with an engine/interior standard to that of a ford focus? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2rrefd/eli5_most_if_not_all_sexy_looking_cars_lambo/ | {
"a_id": [
"cnij50o",
"cnij57d",
"cnijhif",
"cnijlbj",
"cnik3pw",
"cnik6gy",
"cnik6tu",
"cnil60z",
"cnimuo5"
],
"score": [
7,
5,
2,
12,
3,
3,
2,
2,
2
],
"text": [
"for one, the \"sexy\" cars you mention typically are mid or rear engi... | [] | [] | [
[],
[
"http://upload.wikimedia.org/wikipedia/commons/thumb/3/38/Fiero88.JPG/420px-Fiero88.JPG"
],
[],
[],
[],
[],
[
"http://www.nissanusa.com/content/dam/nissan/vehicles/2013/juke/colors-photos/exterior-photos/007-13TDI_JUKb044-large.jpg",
"http://i176.photobucket.com/albums/w162/ttOmadA/1... | ||
1b8qhy | to avoid a hangover, why do we have to drink a lot of water after binge drinking beer? isn't beer mostly water? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1b8qhy/eli5_to_avoid_a_hangover_why_do_we_have_to_drink/ | {
"a_id": [
"c94mnk8"
],
"score": [
5
],
"text": [
"Alcohol is a diuretic, it makes you thirsty, so the alcohol will make you thirstier than the water will rehydrate you."
]
} | [] | [] | [
[]
] | ||
8yzyjj | why do drills spin? | Also why does spinning anything seem to bore into another object more effectively? Nails are easier to remove you you twist and pull too, What's the physics behind that exactly | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8yzyjj/eli5why_do_drills_spin/ | {
"a_id": [
"e2f1448",
"e2f1as3"
],
"score": [
4,
4
],
"text": [
"If you take a look at a drill bit, you'll notice it's not just a stick, it has grooves . When the bit spins, the groves shave off the material - they literally dig stuff out. If you just had a smooth spinning nail, it wouldn... | [] | [] | [
[],
[]
] | |
zd5cf | train wheels. how exactly do they have traction? | I was at the trainstation today, when I looked at the wheels of a train. I noticed something which I couldn't explain, which was the wheels of the train. How exactly do they gain traction if the track is smooth metal, and the wheel is smooth metal? How do they stop without sliding? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/zd5cf/eli5_train_wheels_how_exactly_do_they_have/ | {
"a_id": [
"c63jafr",
"c63jmba",
"c63jzw4"
],
"score": [
2,
2,
7
],
"text": [
"very slow acceleration and deceleration. The weight of the train provides enough downward pressure for the wheels to not slip (much)",
"It's just friction from the weight of the train. The surface... | [] | [] | [
[],
[],
[
"http://www.engineeringtoolbox.com/friction-coefficients-d_778.html"
]
] | |
6m89sd | why is the uk going through a period of austerity with a debt to gdp ratio of 89% while the united states is consistently spending more with a debt to gdp ratio of over 100%? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6m89sd/eli5_why_is_the_uk_going_through_a_period_of/ | {
"a_id": [
"djzmq0y",
"djznux4"
],
"score": [
4,
8
],
"text": [
"It really just comes down to each country's comfort level with debt. In the US, we have strong domestic pressure to cut taxes and our credit rating is top-notch, meaning that borrowing money is very cheap. If you want to see... | [] | [] | [
[],
[]
] | ||
2swlbd | in the us, is there a way to break up the two party system? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2swlbd/eli5_in_the_us_is_there_a_way_to_break_up_the_two/ | {
"a_id": [
"cntk1xi",
"cntke1m",
"cntkg17",
"cntkgit",
"cntkvuf"
],
"score": [
2,
3,
4,
2,
39
],
"text": [
"The best way is to shake up the economic system. The two-party system isn't there for the benefit of the people, it's there for the benefit of themselves an... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
99rpj7 | why do modern day freight trains need more than engine in the front instead of making the single engine more powerful? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/99rpj7/eli5_why_do_modern_day_freight_trains_need_more/ | {
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"Not only would a single engine have to be so insanely powerful that its either super hard to make one or they are super expensive, but also, if the there is a problem with the engine in any way shape or form, it wouldnt be able to rely on other e... | [] | [] | [
[]
] | ||
8xpvm6 | with the monstrous amount of muscle power many animals of prey, like wildebeests or zebras have, why are they not aggressive and are almost always ready to flee? is the absence of claws and fangs that significant? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8xpvm6/eli5_with_the_monstrous_amount_of_muscle_power/ | {
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"In the animal kingdom it's not enough to just w... | [] | [] | [
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1sa3gk | why aren't there 'home grown' diseases in america and europe? | we always hear about diseases like bird flu, sars,etc that originate in asia. sure, europe and america may have access to antibiotics but wouldnt more serious diseases come from america and europe then? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1sa3gk/eli5_why_arent_there_home_grown_diseases_in/ | {
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"sanitary conditions and population density. \n\nwe do have some - Lyme disease.\n",
"We took a \"take no prisoners\" approach to eliminating disease vectors, like mosquitos, in the 20th century.\n\n(See, for example, how... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Health_measures_during_the_construction_of_the_Panama_Canal"
]
] | |
226yhi | why do some people put slashes in their 7's & z's? | I've adopted this habit myself for the aesthetics, but is there a concrete explanation as to how and why this came about?
| explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/226yhi/eli5_why_do_some_people_put_slashes_in_their_7s_zs/ | {
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"Helps to distinguish the letter.\n\nFor some people their 7's can end up looking like 1's and their Z's like 2's.\... | [] | [] | [
[],
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[],
[],
[],
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1vur0l | how can women in particular shed so much hair (in brushes, in the shower, etc.) everyday and still retain a full, thick head of hair? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1vur0l/eli5_how_can_women_in_particular_shed_so_much/ | {
"a_id": [
"cevydax"
],
"score": [
2
],
"text": [
"They simply have many, *many* hairs growing at the same time. A small handul of hairs is hundreds to thousands of hairs. Individual ones just look like a lot of hair on their own, they get lost in multitudes. "
]
} | [] | [] | [
[]
] | ||
khavt | why are there immigration laws? | What would happen if every country in the world just allowed everyone to move there? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/khavt/eli5_why_are_there_immigration_laws/ | {
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"There is also a lot of 'nationalist' pressure in several countries around the world. A nationalist is someone who puts a ton of value ... | [] | [] | [
[],
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[],
[],
[],
[]
] | |
zpd99 | why the new world trade center isn't built yet. | Why is it taking so.... damn..... long?? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/zpd99/eli5_why_the_new_world_trade_center_isnt_built_yet/ | {
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"text": [
"Cleanup took a really long time, and the property where the former towers stood is private property. Negotiating and planning to rebuild a skyscraper takes a long time. Plus, there... | [] | [] | [
[],
[],
[
"http://www.youtube.com/watch?v=1RF7yJkLHqw&feature=relmfu"
],
[]
] | |
5lxo81 | our body is supposed to know what's good for it, why does it love (for most of us) chips and candies and hate broccolis and brussels sprouts? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5lxo81/eli5_our_body_is_supposed_to_know_whats_good_for/ | {
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"score": [
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2,
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"text": [
"These readily available high calory foods are pretty new. For all of human existence getting calories (which make energy) was not easy. Fat and sugar are high calory foods. We are good at sensing... | [] | [] | [
[],
[],
[]
] | ||
76s4hf | why can't you scream loud enough to hurt your own ears? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/76s4hf/eli5_why_cant_you_scream_loud_enough_to_hurt_your/ | {
"a_id": [
"dogbbjh"
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"text": [
"Generally, nobody can scream loud enough to hurt your ears. There simply isn't enough power generated by your lungs in a single scream to do it.\n\nSound is merely a type of pressure wave that your ear is able to sense, decode and turn it into so... | [] | [] | [
[]
] | ||
34lo0v | why is it that sometimes a post will say "5 comments" but when i click on it, it will show no comments? | You've all seen it. A somewhat recent post is made, it says something like 3 comments, you click on the comment link and there's no comments. What gives? I thought it could be because they were deleted but I figured it would still show a [deleted] name thing. I've tried searching for the answer but searching "missing c... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/34lo0v/eli5_why_is_it_that_sometimes_a_post_will_say_5/ | {
"a_id": [
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"score": [
5
],
"text": [
"If a comment is deleted before it has any replies, then it won't appear at all, instead of as [deleted]."
]
} | [] | [] | [
[]
] | |
foo418 | why is it that when we fall we don't feel the pain the entire day and then after we sleep it feels like we've been run over by a tractor? | Whenever I play rugby, nothing hurts after the game, but whenever I wake up the next day, I feel like everything hurts and it also feels like I'm frozen in certain parts where my limbs are attached to my body, they are just hard to move. I know that adrenalin plays a big part, but it isn't the only thing because it ca... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/foo418/eli5_why_is_it_that_when_we_fall_we_dont_feel_the/ | {
"a_id": [
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3
],
"text": [
"Depending on the nature of the injury, the body's inflammatory response can take time to build up around affected areas. A bee sting might swell up quickly. Fatigued or injured muscles & tendons can take a day or two befo... | [] | [] | [
[],
[]
] | |
54tvo9 | how does the brain know where to grow new nerves into a transplanted organ, such as hands, fingers, or heart? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/54tvo9/eli5_how_does_the_brain_know_where_to_grow_new/ | {
"a_id": [
"d85awqw"
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"score": [
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],
"text": [
"It's not a brain work to grow nerves. Surgeons manually connect main nerves in transplanted organs, and smaller one just grow themselves. Part of them won't connect to anything, but part will connect with nerves in new organ. \n\nBrain will just... | [] | [] | [
[]
] | ||
1z9dvo | how come i can sing along to a song almost perfectly in my head but if i try and sing it out loud i am half a second off and stutter some words? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1z9dvo/eli5_how_come_i_can_sing_along_to_a_song_almost/ | {
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"text": [
"Or I can hear the melody in my head but if I try and vocalise it I can't!",
"Short explanation: humans are quite brilliant in lying to themself.",
"Most likely it's like -... | [] | [] | [
[],
[],
[],
[]
] | ||
6fcjyx | why people say "boomers" ruined the housing market | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6fcjyx/eli5_why_people_say_boomers_ruined_the_housing/ | {
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[],
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"http://uk.businessinsider.com/british-millennials-poorer-interest-rates-pension-plans-2017-2"
]... | ||
fzmo4g | phone calls. how is it possible that my voice is recorded and transferred directly to a given device which is kilometers away from me? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fzmo4g/eli5_phone_calls_how_is_it_possible_that_my_voice/ | {
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"text": [
"Imagine you are speaking to someone ten feet away. Your mouth moves, causing energy to be released in the form of air compression. This compression moves across the air in the form of a wave of energy, ... | [] | [] | [
[],
[],
[
"https://www.audio-technica.com/cms/resource_library/images/4287a8698751f4de/large/figure_1_dynamic_microphone_element.jpg",
"https://users.cs.cf.ac.uk/Dave.Marshall/Multimedia/node149.html",
"https://www.lifewire.com/thmb/e9IkZ89ilvv5yuNA3DGTipHWzkc=/1000x667/filters:no_upscale\\(\\):max_... | ||
3b9jfb | why are most buildings and rooms rectangular? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3b9jfb/eli5_why_are_most_buildings_and_rooms_rectangular/ | {
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"text": [
"Sounds like you haven't tried to build anything.\n\nRight angles are not so hard. Round anything is very difficult. Right angles allow you to build in triangles, which are the strongest, simplest strong... | [] | [] | [
[],
[],
[
"https://www.youtube.com/watch?v=xFtOcj6nyfg"
]
] | ||
6t7au5 | how does a person in the military move up ranks when not in a time of war? | Someone who isn't familiar with the way things work in a military as myself, assumes you need "prove" yourself via feat of some sort. (Battle, heroic act etc). When a country isn't at war for years, how does one go about getting promoted to higher ranks? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6t7au5/eli5_how_does_a_person_in_the_military_move_up/ | {
"a_id": [
"dligw4e",
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"score": [
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"text": [
"Time, achievements, qualifications, oppurtunities and any outstanding work. The whole idea of getting promoted for heroic feats is rare even in wars.",
"You \"prove\" yourself by doing your job well... | [] | [] | [
[],
[],
[]
] | |
5ugbu2 | why the constellations and others parts of the galaxy are named with the zodiac or names of mythology gods? | Like the Gemini constellation or Perseus arm the spiral arm of the Milk Way. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ugbu2/eli5_why_the_constellations_and_others_parts_of/ | {
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"ddtqwm7"
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"score": [
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"text": [
"Because back in the day most constellations and celestial bodies were believed to be the embodiment of God's. For example planets like Mars, Venus, and Jupiter were all named after Roman gods because they beleived they represented them. This trad... | [] | [] | [
[]
] | |
681qs8 | "we use cookies to deliver our service" | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/681qs8/eli5_we_use_cookies_to_deliver_our_service/ | {
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"text": [
"It says nothing about whether they sell your information or not.\n\nIt says that they leave an identifying data file on your computer, so that when you visit their site again, they... | [] | [] | [
[],
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3krlg0 | how will the upcoming human head transplant work? | _URL_0_
An italian surgeon is going to transplant a persons head to another body, stating that trials with animals have been successful in keeping the animals alive for a few days. However, how are the surgeons planning on keeping the person alive? It's hard enough for normal organ transplants with anti-rejection drug... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3krlg0/eli5_how_will_the_upcoming_human_head_transplant/ | {
"a_id": [
"cuzw8ji",
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"score": [
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6
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"text": [
"It'll work like magic....\n\nThat is to say: magic don't work, it won't either.\nConsider just reconnecting the _URL_0_ the spinal cord. There are millions of them, and each has a different set of endpoints. It's often refe... | [] | [
"http://www.iflscience.com/health-and-medicine/head-transplant-volunteer-might-face-fate-more-terrifying-death"
] | [
[
"neurons.in"
],
[]
] | |
3fwlhh | what determines the melting point of an object? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3fwlhh/eli5_what_determines_the_melting_point_of_an/ | {
"a_id": [
"ctsm858"
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"score": [
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"text": [
"Melting points are mostly determined by the molecular structure of the object. The melting point actually changes under different pressure, but generally when you hear about melting points people are assuming it's under standard atmospheric press... | [] | [] | [
[]
] | ||
1wm66z | if every country were to ban cemeteries, and required cremation of all dead bodies ( > 50 million/year), what would the effect be on the global climate/environment? | I assuming that the heat production would have less impact than the emissions. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1wm66z/eli5_if_every_country_were_to_ban_cemeteries_and/ | {
"a_id": [
"cf3axda"
],
"score": [
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"text": [
"Quick calculation: the world [uses about 4 x 10^12 kg](_URL_0_) of pertroleum annually. The total mass of your humans, assuming a pretty generous weight, would be [about 4 x 10^9 kg](_URL_1_). So it'd be about a 0.1% increase in carbon emissions ... | [] | [] | [
[
"http://www.wolframalpha.com/input/?i=%28160+m^3%2Fs%29*%281+year%29*%28density+of+petroleum%29",
"http://www.wolframalpha.com/input/?i=50+million+*+75+kg+in+kg"
]
] | |
7ybg01 | why don’t you hear about the history of africa before colonialism? | Why don’t we learn about Africa’s history before slavery? Was it not documented enough or is it just another systematic racism? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7ybg01/eli5_why_dont_you_hear_about_the_history_of/ | {
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5z2hod | how do florescent paints glow under a black light? | How do florescent paints glow under a black light?
I get the whole bit about light and absorbing/reflecting but what exactly causes the *glow* of florescent paints (or other phosphorescent materials) under UV/black lights? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5z2hod/eli5how_do_florescent_paints_glow_under_a_black/ | {
"a_id": [
"deurrkr"
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"score": [
3
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"text": [
"Fluorescent materials absorb ultraviolet light, and emit visible light. When matter absorbs light, it does so by jumping an electron up one or several energy levels. Then, the electron falls back down to its original position, emitting a photon... | [] | [] | [
[]
] | |
2esjqi | how do companies come up with their nutrition facts? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2esjqi/eli5_how_do_companies_come_up_with_their/ | {
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"score": [
2,
7,
23,
2
],
"text": [
"Most ingredients have existing known amounts of nutritional information. For example: I know orange juice has this much vitamin C, on average, per 100mL. I know plain white flour... | [] | [] | [
[],
[],
[],
[
"http://www.esha.com/product/genesis-nutrition-label-software"
]
] | ||
bau4et | how is it that on a salt container, 1 serving is 1.5g (1500mg), but the sodium content per serving is only 590mg? what am i missing? | It's regular salt with an anti caking agent. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bau4et/eli5_how_is_it_that_on_a_salt_container_1_serving/ | {
"a_id": [
"ekdyi00",
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"score": [
10,
4
],
"text": [
"Sodium given as a part of sodium chloride.",
"Salt is made from two different parts. One part is sodium. The other part is chlorine.\n\nOne sodium weighs 23 and one chlorine weighs 35, so one salt weighs 58. The sodi... | [] | [] | [
[],
[]
] | |
21whgq | i didn't sign up for "obamacare" in time, and i am currently uninsured. am i totally screwed? what happens now? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/21whgq/eli5_i_didnt_sign_up_for_obamacare_in_time_and_i/ | {
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"cgh5qub",
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"score": [
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3,
2
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"text": [
"You can't buy insurance from the exchanges till the next enrollment period starting in Nov and will have to pay a fine when you file taxes next year. I believe the amount is $95 or 1% if you make over a... | [] | [] | [
[],
[
"http://money.cnn.com/2013/08/13/news/economy/obamacare-penalty/"
],
[
"http://www.cms.gov/CCIIO/Resources/Regulations-and-Guidance/Downloads/complex-cases-SEP-3-26-2014.pdf",
"http://www.healthcare.gov",
"healthcare.gov"
]
] | ||
5xoii0 | why do we have an emotional reaction to music? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5xoii0/eli5_why_do_we_have_an_emotional_reaction_to_music/ | {
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"d... | [] | [] | [
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"https://www.amazon.com/dp/B000PC0SDW"
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"https://www.youtube.com/watch?v=8fHi36dvTdE&list=PLKiz0UZowP2V0mwtNv1lc1_zUSB2O65d7"
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[
"https://youtu.be/r4HOOfBUlE4"
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[],
[],
[],
[
"ht... | ||
96bith | how do are camera shots where one person is in the shot multiple times done? | I was watching the music video for Childish Gambino - Sweatpants in which there are many "characters" but they're all Childish.
_URL_0_
How is this effect done? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/96bith/eli5_how_do_are_camera_shots_where_one_person_is/ | {
"a_id": [
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"score": [
2,
2
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"text": [
"If it's digital, various ways from green/blue screen to add him over existing people or just digitally inserting him in the frames where there was nothing.. CGI is pretty impressive when done properly. Since it's all digita... | [] | [
"https://www.youtube.com/watch?v=ExVtrghW5Y4"
] | [
[],
[]
] | |
j4na6 | please explain major league baseball trades, waivers, free agency, arbitration, etc. li5 | It's hard to ignore all the trade talk this time of year, so one might as well understand what all the fuss is about. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/j4na6/please_explain_major_league_baseball_trades/ | {
"a_id": [
"c294263",
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"score": [
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2
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"text": [
"**Trades**- Usually fairly simple, I give you Player X and you give me Player Y. However, there are cases where a really good player is traded for prospects, or young players who could potentially develop into superstar play... | [] | [] | [
[],
[]
] | |
37ak1a | why can i whistle some days but not others? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/37ak1a/eli5_why_can_i_whistle_some_days_but_not_others/ | {
"a_id": [
"crl2emt"
],
"score": [
2
],
"text": [
"Maybe because your cheek and lip muscles get cramped, not allowing you to make the \"hole\" to whistle? I whistle daily and this has never happened to me."
]
} | [] | [] | [
[]
] |
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