q_id stringlengths 5 6 | title stringlengths 3 296 | selftext stringlengths 0 34k | document stringclasses 1
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value | url stringlengths 4 110 | answers dict | title_urls list | selftext_urls list | answers_urls list |
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9tuihl | why is it that when it’s hot we can walk miles without sweating but once we stand a bit after that walk we start sweating a lot? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9tuihl/eli5_why_is_it_that_when_its_hot_we_can_walk/ | {
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"You are sweating it is just that the sweat is evaporating and cooling the skin as it is supposed to do, once you stop your body is no longer as hot as it was and isn't evaporating the moisture away, but the sweat is at the ... | [] | [] | [
[],
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9fgw0m | at what point do you stop floating in space and start falling? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9fgw0m/eli5_at_what_point_do_you_stop_floating_in_space/ | {
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"He wouldn't. He would just stay in orbit although a very slightly different one to the ISS ... | [] | [] | [
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"https://youtu.be/Zu-Sp3I0c1Q"
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3ptoh3 | why is fracking not done with seawater? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3ptoh3/eli5_why_is_fracking_not_done_with_seawater/ | {
"a_id": [
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"text": [
"Because sea water may not have [the right properties](_URL_0_) to break the rock in the way needed, and hold it open as required.\n\nAlso, many fracking sites are inland - the salt water would find its way into inland aquifers, poisoning the grou... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Hydraulic_fracturing#Fracturing_fluids"
]
] | ||
6wg6no | why does computer science have one of the highest unemployment rate of all majors when the field has so many job openings? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6wg6no/eli5_why_does_computer_science_have_one_of_the/ | {
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"I've heard that a lot of the tech taught in c... | [] | [] | [
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2jv3z3 | how can wording in sat questions be biased against minorities? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2jv3z3/eli5_how_can_wording_in_sat_questions_be_biased/ | {
"a_id": [
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"text": [
"Consider this:\n\n Roof is to house, as cup is to _______.\n\nThe correct answer, of course, is saucer.\n\nAs benign as that might seem, saucers are things that primarily exist in middle class, predominately white homes. ... | [] | [] | [
[],
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3eamqu | why don't car makers offer built in dash cams? | With Russia making it a law to have a dashboard camera why wouldn't car makers at least make it an option to have one pre-installed. It would make for a very cool feature to be able to choose what footage you want to save and be able to automatically upload it to a cloud storage. It would make filing an insurance claim... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3eamqu/eli5why_dont_car_makers_offer_built_in_dash_cams/ | {
"a_id": [
"ctd3pqp",
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"score": [
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"text": [
"It's a good point. If they had an option for a built in dash cam they could be better concealed instead of having it stuck to your windscreen.",
"In a few years, after a few high profile lawsuits involving dash cams clar... | [] | [] | [
[],
[]
] | |
dxgcec | why do our bodies "overreact" to small injuries? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dxgcec/eli5_why_do_our_bodies_overreact_to_small_injuries/ | {
"a_id": [
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"score": [
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"text": [
"I dropped a bacon press on my finger a couple days ago, and I certainly did faint and spent some time on the kitchen floor.",
"It’s likely a bit like a parent yelling more loudly at a child about to... | [] | [] | [
[],
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[]
] | ||
1vu4lb | would training under increased gravity, be it strength or otherwise, be beneficial to humans once they returned to normal gravity? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1vu4lb/eli5_would_training_under_increased_gravity_be_it/ | {
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2,
2,
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2... | [] | [] | [
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"http://www.amazon.com/Great-Mambo-Chicken-Transhuman-Condition/dp/0201567512"
],
[]
] | ||
3e90vr | why hasn't apple's magsafe connector been adopted for headphone or usb connectors on phones? | The original MagSafe patent (_URL_0_) only covers DC power connections, but I'd guess that applying this technology to the notorious bend- and dirt-affected USB and headphone connectors would prevent issues from bending the connectors while holding the phone in your hands, while also allowing for a totally waterproof p... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3e90vr/eli5_why_hasnt_apples_magsafe_connector_been/ | {
"a_id": [
"ctco1o8"
],
"score": [
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"text": [
" > while also allowing for a totally waterproof phone\n\nThat actually wouldn't work. The MagSafe adapter still requires a physical connection of the power pins, the magnet just holds the power connector in place. Using this technology with head... | [] | [
"http://patft1.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=AND&d=PTXT&s1=7311526.PN.&OS=PN/7311526&RS=PN/7311526"
] | [
[]
] | |
q0win | how grocery stores benefit from "super saver" cards. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/q0win/eli5_how_grocery_stores_benefit_from_super_saver/ | {
"a_id": [
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"score": [
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"text": [
"They encourage people to come back and buy more stuff at the store. \n\nAlso you can also use it to suggest to people to buy certain items.\n\nHey we got two types of bread in. One cost us 50 cents a lo... | [] | [] | [
[],
[],
[]
] | ||
7ha3i7 | why are some movies/shows on itunes only offered in sd and not hd or better? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7ha3i7/eli5why_are_some_moviesshows_on_itunes_only/ | {
"a_id": [
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"text": [
"It has to do with the quality of the original recording. If the original is only a certain quality (sd) there's no process to magically create more pixels and widen the camera angles to make it look better.\n\nThey may be able to clean it up a li... | [] | [] | [
[]
] | ||
3itei0 | why do we sometimes say a week runs from monday-sunday and sometimes from sunday-saturday? | Monday's always the first day of the week and the week is regularly expressed as running from Monday to Sunday.
But sometimes, particularly on calendars, you'll see the first day of the week (on the left) as being the Sunday.
Can anyone explain this for me? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3itei0/eli5_why_do_we_sometimes_say_a_week_runs_from/ | {
"a_id": [
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"text": [
"On one end, we always see Monday as the beginning of the week. It's definitely that way for the work week, and Christian religions defined the Final Day as the day God rested (which became their Sabbath, by the way that used... | [] | [] | [
[],
[]
] | |
2n2etz | why do results from forensic dna analysis take so long to process? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2n2etz/eli5_why_do_results_from_forensic_dna_analysis/ | {
"a_id": [
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"text": [
"This is due to a technique known as \"PCR\", or Polymerase Chain Reaction. This is where you take a small amount of the DNA you want to compare, take a small amount of \"Taq polymerase\" (an enzyme, which is what helps the DNA to be 'reproduced')... | [] | [] | [
[]
] | ||
27daox | how the fifa world rankings work. | I just checked the most recent update and Palestine has gained 71 positions.
How does that work? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/27daox/eli5_how_the_fifa_world_rankings_work/ | {
"a_id": [
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"score": [
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"text": [
"The basic logic of these calculations is simple: any team that does well in world football wins points which enable it to climb the world ranking. \n\nA team’s total number of points over a four-year period is determined by adding: \n\n· the av... | [] | [] | [
[]
] | |
a84htq | when looking at the periodic table, are these just the elements just discovered on earth or the entire universe? | Are there likely many undiscovered elements in the universe? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a84htq/eli5_when_looking_at_the_periodic_table_are_these/ | {
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"text": [
"Elements are defined by the number of protons they have. So you don't really have to discover them to know they exist. Elements with extremely high numbers are extremely unstable and can only really exi... | [] | [] | [
[],
[],
[]
] | |
jdjpk | ceo compensation. | Why is it so high? What does a CEO do that requires them to make this much? What is their day to day life like? Especially CEO's that didn't start their company.
I really know nothing about it, so the more the better. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/jdjpk/eli5_ceo_compensation/ | {
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"text": [
"To start, most executives have a nice salary and benefits, but some also have stock options (if they are with a young company that does well, the value will shoot up. If they are w... | [] | [] | [
[],
[],
[],
[]
] | |
6wfygi | why do people in old videos talk like they're singing? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6wfygi/eli5why_do_people_in_old_videos_talk_like_theyre/ | {
"a_id": [
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"text": [
"Well, back in the day people actually had to be loud to be heard at rallies since PA systems were not really all that great. You develop a cadence if you practice speaking clearly and loudly, which winds up sounding vaguely... | [] | [] | [
[],
[]
] | ||
whwvf | what is a 'blood passport' and how has it reduced doping in cycling? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/whwvf/eli5_what_is_a_blood_passport_and_how_has_it/ | {
"a_id": [
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"score": [
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"text": [
"ELI5 - If you were a consistent student who always got 65% on your exams, and suddenly got 100%, the teacher would be suspicious and look a little harder for cheating by you. It`s an easier method then telling you not to che... | [] | [] | [
[],
[]
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30vi3l | why are police able to get away with breaking laws related to driving? | There are plenty of cops that speed or talk on the phone while driving. It just pisses me off when I see an undercover cop driving around talking on his phone.
Shouldn't they be held more accountable for not breaking the law than your average citizen?
Edit: From US | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/30vi3l/eli5_why_are_police_able_to_get_away_with/ | {
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"text": [
"How do you know it's an undercover cop on his phone, and not just some dude?\n\nThat aside, the real reason is because there's probably... | [] | [] | [
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3l57i1 | how to people string up these super long zip lines? | The guy in this [video](_URL_0_) is riding a huge zipline and almost loses his hand. now besides the crazy footage, how do they put up ziplines like this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3l57i1/eli5how_to_people_string_up_these_super_long_zip/ | {
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"text": [
"One method is to have the high point tied off and then you toss it down and drag it out to the low point. The other would be to tie off the low point and then have a free climber carry the high point up to the higher tie point. \n\nShooting them ... | [] | [
"https://www.youtube.com/watch?v=F723rIlW_No"
] | [
[]
] | |
21prqc | if host cities like sochi, rio, and qatar have such terrible conditions and atrocities surrounding their respective events, why are the people in charge choosing these cities in the first place? | It seems dumb to pick a terribly poor and third world city to host a world-class event, doesn't it? Or is there other factors involved? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/21prqc/eli5_if_host_cities_like_sochi_rio_and_qatar_have/ | {
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"text": [
"Actually, if you're going to dump a load of money into a place by building hotels, facilities, etc. doesn't it make sense to dump it into a place that needs revitalization?",
... | [] | [] | [
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5u9i86 | how do illegal streamers keep content going constantly, and what incentive do they have to do what they do? | For example, an app like Mobdro that has a 24/7 Dragonball Z channel. Does the person sit there putting on episode after episode? How does it all work?
Also as it has no adverts, no plugs and no donations, what does the streamer get from this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5u9i86/eli5_how_do_illegal_streamers_keep_content_going/ | {
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"text": [
"Well I want nba streams and the scanned and translated versions of some manga, they normally have a donation button. So growing user base of they keep the content up and of quality, this leads to more t... | [] | [] | [
[],
[],
[]
] | |
5h2fli | would river turbines not be more efficient than wind turbines? | A river flows constant where as wind is more intermittent. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5h2fli/eli5_would_river_turbines_not_be_more_efficient/ | {
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"text": [
"You mean like [hydroelectric power plants](_URL_1_)? Such as the [Hoover Dam](_URL_0_)?",
"River turbines are pretty useful, which is why we've been building them into dams for decades. Maintenance ... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Hoover_Dam",
"https://en.wikipedia.org/wiki/Hydroelectricity"
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[],
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enq69a | why do basic facts (especially science) have different descriptions for high-school and college education? | I'm trying to learn biology again, and cellular respiration has a different description for high school than college. Do they distort the facts to make it easier for high-school students to learn, or is the college description the one that's over-complicated? I never learned about cellular respiration in college biol... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/enq69a/eli5_why_do_basic_facts_especially_science_have/ | {
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"text": [
"Most of what you get in high school is highly watered down. The high school audience is less intelligent, less experienced, while the college audience is of p... | [] | [] | [
[],
[],
[],
[],
[]
] | |
3d8v7p | why does "nice big red ball" sound more natural than "red big nice ball"? | Something I've noticed is that there seems to be a specific order for adjectives, but I can't see a pattern. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3d8v7p/eli5_why_does_nice_big_red_ball_sound_more/ | {
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"text": [
"I can't tell you why they sound better one way - maybe because we're used to reading them in a particular order?\n\nBut, there is a defined order for adjectives:\nOpinion (nice), Size (big), Age, Shape,... | [] | [] | [
[],
[
"http://learnenglish.britishcouncil.org/ar/comment/81974"
],
[
"http://web2.uvcs.uvic.ca/elc/studyzone/410/grammar/adjord.htm"
]
] | |
3n5ctt | baseball: from pitch to hits | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3n5ctt/eli5_baseball_from_pitch_to_hits/ | {
"a_id": [
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"text": [
"**If a pitcher is throwing 98mph and the batter makes perfect contact (plus his strength index) the ball will be traveling close to 105mph. That lower speed or what some people would think is too low of a speed is due to the wooden bats used. If ... | [] | [] | [
[]
] | ||
3uij14 | what is nat type and what causes it to change? | Why can I play with my friend over the internet but not talk to him in a party on ps4 because of this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3uij14/eli5_what_is_nat_type_and_what_causes_it_to_change/ | {
"a_id": [
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"text": [
"NAT is network address translation.\nTo do things online we need a public IP address. There are also non-routable private IP addresses.\n\nNAT tends to be a secure way to connect to the internet as the device will not accept unsolicited packets.... | [] | [] | [
[]
] | |
1z772m | salt vs. ice | Sure is fun hearing the snap, crackle and pop of ice breaking down when you throw a handful of salt on it!
My question is, why does the chemical reaction stop working after a while?
There's a big patch of ice outside my front door, and yesterday, I sprinkled salt on it. I worked great for a while, but then the salt ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1z772m/salt_vs_ice/ | {
"a_id": [
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2
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"text": [
"A few likely answers: Salt only works to melt ice if it is able to dissolve some in water already on the ice surface. No little bit of liquid water on the surface = salt will do nothing but sit there. You might have used the... | [] | [] | [
[],
[]
] | |
1m78rg | the difference between the generally used word "theory" and scientific "theory" | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1m78rg/eli5the_difference_between_the_generally_used/ | {
"a_id": [
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"text": [
"Theory in common use - Speculation used to explain something. \n\nTheory in scientific use - A group of ideas already tested through scientific analysis that provides a framework for a wide variety of observations.\n\nBoth uses of the words refe... | [] | [] | [
[]
] | ||
5o04k2 | how can your body (40, 50 or 60 years later) "remember" that you are immune to virus like chickenpox? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5o04k2/eli5_how_can_your_body_40_50_or_60_years_later/ | {
"a_id": [
"dcflgcj",
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"score": [
8,
6
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"text": [
"When a virus is introduced to your body (think of each specific virus as a lock, and only one key can open that lock to make it safe) your body recognizes that it is dangerous so it starts to make antibodies (the keys to the... | [] | [] | [
[],
[]
] | ||
4lvloi | my biology professor said the dna helix is antiparallel, what does that mean, is the eli5 biology flair antiparallel? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4lvloi/eli5_my_biology_professor_said_the_dna_helix_is/ | {
"a_id": [
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"text": [
"It means that the strands are parallel, but opposite, like this:\n\n5' ------- > 3'\n\n3' < ------- 5'\n\nThis is important because the strand can only be read/cut/replicated in certain directions, so the molecules dealing... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Nucleic_acid_structure#/media/File:DNA-Nucleobases.svg"
]
] | ||
1vity8 | common law and civil law. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1vity8/eli5_common_law_and_civil_law/ | {
"a_id": [
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"text": [
"Assuming that you're asking about the difference between the two - common law does not have a 'masterlist' of specific rules, but instead refers to how previous similar cases have been judged in order t... | [] | [] | [
[],
[
"http://www.reddit.com/r/law/comments/1l9s12/what_is_the_difference_between_common_law_and/"
],
[]
] | ||
39ryi3 | why are antibodies not passed from one generation to the next? | During our lives, as we get sick, we produce antibodies against many diseases, why doesn't this knowledge pass on from mother to child? So if the mother had e.g. smallpox, the child wouldn't have the disease. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/39ryi3/eli5why_are_antibodies_not_passed_from_one/ | {
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],
"text": [
" > Why are antibodies not passed from one generation to the next?\n\nBecause specific antibodies are not part of our DNA. \n\nYour immune system produces a whole slew of random antibodies all the time. When you are infecte... | [] | [] | [
[],
[]
] | |
343g6h | how does last week tonight with john oliver make enough money to stay on air if all its full episodes are on youtube? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/343g6h/eli5_how_does_last_week_tonight_with_john_oliver/ | {
"a_id": [
"cqqvrl4",
"cqqvt87"
],
"score": [
3,
2
],
"text": [
"The same way every HBO series ever made does. HBO attracts viewers by having desirable content. Movies, boxing, documentaries, and original series. HBO's revenue comes from subscribers, and until very, very recently, all of ... | [] | [] | [
[],
[]
] | ||
2516r4 | why are ratings on television more important than internet ratings when it comes to tv shows. do they not include viewers from the internet to be legit? | I just heard that Fox once again cancelled a bunch of tv shows because of 'poor' ratings. Are they JUST going off of the viewers (such as the Nielsen family) who watch television, or are they including viewers off of the internet as well? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2516r4/eli5_why_are_ratings_on_television_more_important/ | {
"a_id": [
"chcmhdi",
"chcmjdo",
"chcn796"
],
"score": [
3,
6,
2
],
"text": [
"This isn't easy to answer, not knowing the inner workings of FOX. However, I'll take a guess.\n\nMy guess would be that the income from television shows streamed online is still much less than income th... | [] | [] | [
[],
[],
[]
] | |
2nhlun | what is it about the works of famous abstract impressionists like mark rothko and jackson pollock that make their work "good," as opposed to some random shit anyone else could draw? | [Rothko](_URL_0_)
[Pollock](_URL_1_)
| explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2nhlun/eli5_what_is_it_about_the_works_of_famous/ | {
"a_id": [
"cmdnvbk",
"cmdonwv",
"cmdozs9",
"cmdtddu",
"cmdzl2o"
],
"score": [
4,
5,
3,
7,
2
],
"text": [
"You can sell a shit in a bag if you're good salesman. However, I like some of these. Pretty pretty colors.",
"You have to re-train your eye a bit. Pollac... | [] | [
"https://www.google.com/search?q=abstract+impressionism&rlz=1C1CHFX_enUS594US596&espv=2&biw=1258&bih=1249&source=lnms&tbm=isch&sa=X&ei=PP11VJHhBM7hoATs3YCoCA&sqi=2&ved=0CAYQ_AUoAQ&dpr=0.75#tbm=isch&q=rothko",
"https://www.google.com/search?q=jackson+pollock&rlz=... | [
[],
[],
[],
[],
[
"http://images.fineartamerica.com/images-medium-large/1-after-rothko-5-gary-grayson.jpg",
"http://www.1paintings.com/images/Portrait%20and%20a%20Dream,%201953.jpg"
]
] | |
jxy0w | how does reddit sort my homepage? | It does not appear to be by upvotes, as the numbers on the left are not in descending order. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/jxy0w/eli5_how_does_reddit_sort_my_homepage/ | {
"a_id": [
"c2g0cab",
"c2g0cab"
],
"score": [
5,
5
],
"text": [
"Semi-ELI5 version: There are different ways to rank these things. \n\nYou could count how many upvotes there are. But that can be unfair when one post has 500 upvotes and 700 downvotes, versus another post which has only 400... | [] | [] | [
[
"http://www.evanmiller.org/how-not-to-sort-by-average-rating.html",
"http://amix.dk/blog/post/19588"
],
[
"http://www.evanmiller.org/how-not-to-sort-by-average-rating.html",
"http://amix.dk/blog/post/19588"
]
] | |
3ao0lm | in a symphony why does it seem like the conductor is off beat, or better yet ahead of beat, his hits come in sooner than the music hits, is frustrating to watch | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3ao0lm/eli5_in_a_symphony_why_does_it_seem_like_the/ | {
"a_id": [
"csedef5",
"csedr5t"
],
"score": [
5,
2
],
"text": [
"As a musician, you're always following his lead. He's pulling the orchestra along. The orchestra is big and slow and takes time to react. ",
"If you're in a big concert hall, the light bouncing off of the conductor and o... | [] | [] | [
[],
[]
] | ||
b21igj | why do mouths quickly lose moisture when breathing through it? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b21igj/eli5_why_do_mouths_quickly_lose_moisture_when/ | {
"a_id": [
"eipn8iv"
],
"score": [
2
],
"text": [
"the inside of your mouth is very moist compared to the air, and in nature things generally tend to move from areas of high concentration (the surface of the skin inside your mouth) to areas of low concentration (the air).\n\nI'm not sure why this... | [] | [] | [
[]
] | |
59paph | how exactly does monsanto generate such enormous profits? | In the last twelve months, Monsanto has made a $7.02 billion profit. I understand a minimal amount of their business practices, but how does their profit become this large?
source: _URL_0_ | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/59paph/eli5_how_exactly_does_monsanto_generate_such/ | {
"a_id": [
"d9a8tjh",
"d9a8vck",
"d9a9uo3"
],
"score": [
2,
2,
9
],
"text": [
"They make products that are used worldwide in virtually all farms. There are 7 billion people on Earth that need to eat. There are a lot of farms growing food. They buy from Monsanto.",
"They mak... | [] | [
"https://finance.yahoo.com/quote/MON/key-statistics?p=MON"
] | [
[],
[],
[]
] | |
adf8pr | how do qr codes work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/adf8pr/eli5_how_do_qr_codes_work/ | {
"a_id": [
"edgerqv",
"edgru54"
],
"score": [
18,
82
],
"text": [
"Short answer: Just loke barcodes, the major difference being that two dimensions are used instead of just one.\n\nFor a longer answer, what exactly do you want to know? How the bits themselves are recognized by the scanner... | [] | [] | [
[],
[]
] | ||
ux7yn | why telephones and computer/calculator number pads vary in layout when they serve the same function? | From what I've seen, pretty much all phones use the layout:
[1][2][3]
[4][5][6]
[7][8][9]
[*][0][#]
But computers and calculators seem to use:
[7][8][9]
[4][5][6]
[1][2][3]
[ 0 ]
Why the difference? Doesn't this just cause more confusion between devices? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/ux7yn/eli5_why_telephones_and_computercalculator_number/ | {
"a_id": [
"c4zdrbq",
"c4zi2az"
],
"score": [
3,
4
],
"text": [
"Some speculation _URL_0_",
"Computers and calculators were born from mechanical adding machines. For a book keeper, one wants to be able to enter numbers by touch while looking at a ledger. The low numbers at the bottom ... | [] | [] | [
[
"http://www.howstuffworks.com/question641.htm"
],
[]
] | |
3qy2xx | how do they get a tv show that was playing live up on illegal streaming sites in such high quality so fast? | Specifically, is there a decoder or raw data someone can get? Shows like South Park are up in less than an hour after it airs. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3qy2xx/eli5how_do_they_get_a_tv_show_that_was_playing/ | {
"a_id": [
"cwjbi6q"
],
"score": [
4
],
"text": [
"People typically record the episode in transmission quality, so if it aired in HD then someone will record it in HD. They might then do a little editing (if they accidentally started too early, trimming it down; or removing commercials if there w... | [] | [] | [
[]
] | |
crmriv | how do pacemakers actually work? | I know the basics, that it senses when your heart is low and then gives it an electrical shock, but how does it do that? How does it sense your heart rate, how does it give the shock, and how does the battery last so long? I just got one put in, so I'm super curious, if anyone can explain! :) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/crmriv/eli5_how_do_pacemakers_actually_work/ | {
"a_id": [
"ex78pe9",
"ex7c2sb",
"ex7j721",
"ex86xxw",
"ex9hrjb"
],
"score": [
5,
12,
3,
2,
2
],
"text": [
"In the most basic of terms your pacemaker is constantly taking an EKG from inside your heart from the leads placed into any combination of the right atrium, ... | [] | [] | [
[],
[],
[
"http://danieljohndoyle.com/uploads/3/0/7/7/3077522/the_rise_and_fall_of_the_nuclear_pacemaker_april_2012.pdf",
"http://danieljohndoyle.com/uploads/3/0/7/7/3077522/the\\_rise\\_and\\_fall\\_of\\_the\\_nuclear\\_pacemaker\\_april\\_2012.pdf"
],
[],
[]
] | |
dcw08g | why is our hearing divided in octaves? why can we hear two wildly different frequencies as equivalent? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dcw08g/eli5_why_is_our_hearing_divided_in_octaves_why/ | {
"a_id": [
"f2by4et",
"f2c0vex"
],
"score": [
8,
2
],
"text": [
"Octaves aren't as WILDLY DIFFERENT as you might think.\n\nAn octave is simply a frequency that is double the previous frequency.\n\nSo if the A note at 440hz is doubled to 880hz, that's also an A. As is 1760hz, and so on (d... | [] | [] | [
[],
[
"https://youtu.be/ATRzwhk7UvY",
"https://youtu.be/LV_UuzEznHs"
]
] | ||
1kw8sr | for birds who are said to have a "further field of vision" does their vision appear zoomed in? or does their brain just process smaller, further away bits of information better? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1kw8sr/for_birds_who_are_said_to_have_a_further_field_of/ | {
"a_id": [
"cbt8lla"
],
"score": [
6
],
"text": [
"It means they can pick out more detail from further away. \n\nStand ten feet away from something and look at it. Then go up one foot away from it and look again. Notice that you can see a lot more detail? Now imagine you can see that level of det... | [] | [] | [
[]
] | ||
3bj7n3 | what is the point of r/nofap? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3bj7n3/eli5what_is_the_point_of_rnofap/ | {
"a_id": [
"csmlz8i",
"csmm20n",
"csmm7ln",
"csmo9iz",
"csmowi0"
],
"score": [
10,
2,
29,
8,
4
],
"text": [
"Just taken from the side of the subreddit:\n\nINTRODUCTION\nNoFap® is a web community that hosts challenges in which users (\"Fapstronauts\") abstain from p... | [] | [] | [
[],
[
"http://www.reddit.com/r/NoFap/comments/kud1z/alright_rnofap_lets_get_a_list_going_of_why/"
],
[
"http://i.imgur.com/unQ7DhI.png",
"http://i.imgur.com/bjYrDXz.png"
],
[],
[
"http://www.menshealth.com/mhlists/prevent_prostate_cancer/printer.php"
]
] | ||
4hwzj5 | why do we lose our vision momentarily if we press the sides of our eyes? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4hwzj5/eli5_why_do_we_lose_our_vision_momentarily_if_we/ | {
"a_id": [
"d2t2oi0"
],
"score": [
3
],
"text": [
"Every redditor who stumbles on this is going to press the side of their eyeballs before opening this thread..."
]
} | [] | [] | [
[]
] | ||
498t0c | why do notes in different octaves sound similar? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/498t0c/eli5_why_do_notes_in_different_octaves_sound/ | {
"a_id": [
"d0pw6uu",
"d0pwhfe",
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],
"score": [
7,
2,
2
],
"text": [
"Because the frequency is supposed to be exactly double. Which means that the waves will be \"constructive\" and line up. \n\nThere's the famous piano tuning problem and it explains why we use specific i... | [] | [] | [
[],
[],
[]
] | ||
21crre | the difference between 4k and 1080p | How can you tell the difference | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/21crre/eli5the_difference_between_4k_and_1080p/ | {
"a_id": [
"cgbrxta",
"cgbsp5w"
],
"score": [
2,
5
],
"text": [
"4x as many pixles in a 4k display",
"It's all about pixel density and the pixelated look of the picture on the screen.\n\nIn a 1080p tv/monitor, you have 1920x1080 pixels on the screen. This means that there are less pix... | [] | [] | [
[],
[]
] | |
5nt4bb | why do we like things that terrify us? | I find myself riveted to books/tv/movies/etc... lately that terrifies me and gives me nightmares yet I keep going back to it. I'm hardly the only one. Why do we create content that scares us so much and why are we drawn to it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5nt4bb/eli5why_do_we_like_things_that_terrify_us/ | {
"a_id": [
"dce3t2b"
],
"score": [
2
],
"text": [
"Adrenaline. Identifying with characters gives you the sensation they are feeling in the story. I play horror games sometimes and figuring out the best way out of a lethal situation is exciting because you feel the intense stress and adrenaline bu... | [] | [] | [
[]
] | |
9unhic | how does dmt work? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9unhic/eli5_how_does_dmt_work/ | {
"a_id": [
"e95mci0",
"e95mkf1"
],
"score": [
11,
9
],
"text": [
"Best we can tell, DMT (DiMethylTryptamine) looks like a lot of other chemicals that swish around in your brain. Primarily serotonin but also maybe a few others like dopamine. \n\nNormally when these chemicals are floating a... | [] | [] | [
[],
[]
] | |
3hiuz9 | how are hour glasses made? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3hiuz9/eli5_how_are_hour_glasses_made/ | {
"a_id": [
"cu7r65g"
],
"score": [
2
],
"text": [
"You get a glass tube, heat it up, and pinch it into shape, basically. Here's a video, worth a thousand words: _URL_1_\n\nA second video showing a slightly different technique: _URL_0_"
]
} | [] | [] | [
[
"https://www.youtube.com/watch?v=FNFBIk8Ycec",
"https://vimeo.com/22396483"
]
] | ||
5xr27d | what was the time frame for the asteroid that caused the dinosaur extinction? if humans had been alive at the time, how much warning would we have had? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5xr27d/eli5_what_was_the_time_frame_for_the_asteroid/ | {
"a_id": [
"dek8kfz",
"dekf373",
"deklygk"
],
"score": [
2,
2,
3
],
"text": [
"We are actively looking for such asteroids. Today, we might have months to years of warning. Then, well, before telescopes it's going to be hours of warning.",
"Depends on if we're lucky enough to... | [] | [] | [
[],
[],
[]
] | ||
3ltjwx | how saudi arabi managed to be chosen to head un human rights panel. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3ltjwx/eli5_how_saudi_arabi_managed_to_be_chosen_to_head/ | {
"a_id": [
"cv95vol",
"cv970fm",
"cv9a087",
"cv9c8k0",
"cv9fwkc",
"cv9gyyj",
"cv9wxv1"
],
"score": [
151,
26,
37,
25,
5,
2,
2
],
"text": [
"Long story short. They are rich and own most oil production and extraction in the world. Many believe they ha... | [] | [] | [
[],
[],
[],
[
"http://www.ohchr.org/EN/HRBodies/HRC/Pages/CurrentMembers.aspx",
"http://blog.unwatch.org/index.php/2015/09/20/saudi-arabia-wins-bid-to-behead-of-un-human-rights-council-panel/",
"http://www.ohchr.org/Documents/HRBodies/SP/VisualDirectoryJune2015_en.pdf"
],
[],
[],
[
"ht... | ||
4etsi4 | how does the heart make its own electricity? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4etsi4/eli5_how_does_the_heart_make_its_own_electricity/ | {
"a_id": [
"d2399bi",
"d23hi2y",
"d23lxnm"
],
"score": [
5,
19,
3
],
"text": [
"It's not really electricity. Our nerves can react to electricity, but what really triggers them is tiny charge imbalances caused by sodium and potassium on either side of the cell membrane (the inside ... | [] | [] | [
[],
[],
[]
] | ||
4p87vl | why dont drinks go stale like food does? | Title**** | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4p87vl/eli5_why_dont_drinks_go_stale_like_food_does/ | {
"a_id": [
"d4iu0tg"
],
"score": [
8
],
"text": [
"Staleness, in a food item, involves the food in question equalizing its moisture content with the air around it -- dry foods feel damp and spongy, while wetter foods dry out and become crusty. So if you were to apply the same principle with a dri... | [] | [] | [
[]
] | |
opqm5 | why can we breathe out both warm and cold air? | How can we change the tempreture at which we exhale? Like how you can breathe warm air into your hands when you're cold, or cool air on a hot day? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/opqm5/eli5_why_can_we_breathe_out_both_warm_and_cold_air/ | {
"a_id": [
"c3j23im"
],
"score": [
3
],
"text": [
"The air is always warm. The moisture content and speed effect how it feels. \nWhen you open your mouth wide and breathe out, the air is moving slowly and carrying lots of water. Warm water. \nWhen you purse your lips and blow a light fast str... | [] | [] | [
[]
] | |
5ztuz2 | why can kids have imaginary friends, but if you're an adult you're crazy? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ztuz2/eli5why_can_kids_have_imaginary_friends_but_if/ | {
"a_id": [
"df100y0"
],
"score": [
4
],
"text": [
"Small kids are not yet entirely used to their emotion and experiences and it is healthy for them to project them apart from themselves. They are also helpful to playfully train social behaviour, especially if the child has few real friends.\nFurt... | [] | [] | [
[]
] | ||
k0x5u | can someone explain li5 significant figures? | I'm really confused with these. Especially problems asking for the answer to a simplish equation and then it asks the answer with the correct number of significant digits. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/k0x5u/can_someone_explain_li5_significant_figures/ | {
"a_id": [
"c2gozba",
"c2gpmtn",
"c2gozba",
"c2gpmtn"
],
"score": [
6,
3,
6,
3
],
"text": [
"Let's say you spend the day hiking, and you cover 15 km in 3.5 hours.\n\nYou want to know you average speed, so you plug those numbers into your trusty calculator, and get somethin... | [] | [] | [
[],
[],
[],
[]
] | |
76f2o2 | why do stock photos look so fake? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/76f2o2/eli5_why_do_stock_photos_look_so_fake/ | {
"a_id": [
"dodgq0d"
],
"score": [
3
],
"text": [
"In order to sell the most copies of a stock photo, it needs to be very generic, so that many clients can put their own message on top and use it as is. Therefore, if the photo itself looked natural and sent a message of its own, it would limit th... | [] | [] | [
[]
] | ||
3lotla | how come my cat doesn't smell bad and all he does is lick himself, yet if i go a day or two without bathing i smell terrible? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3lotla/eli5_how_come_my_cat_doesnt_smell_bad_and_all_he/ | {
"a_id": [
"cv7zoo8",
"cv7zwmt",
"cv84dei",
"cv84kiu"
],
"score": [
7,
21,
2,
5
],
"text": [
"Cats don't sweat. You do. The sweat provides a good place for bacteria to grow.\n\nIf your cat has bad teeth then it's spit will smell, and so will the cat.",
"Human body odou... | [] | [] | [
[],
[],
[],
[]
] | |
21w1rr | assuming the observable universe came from one point, (the big bang theory) how is other matter so far away without traveling faster than the speed of light? | Similar questions have been asked here, but there didn't seem to be an explanation present, certainly not one fit for a five year old. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/21w1rr/eli5_assuming_the_observable_universe_came_from/ | {
"a_id": [
"cgh1k2q",
"cgh1q75"
],
"score": [
4,
2
],
"text": [
"Matter within space cannot move faster than the speed of light, but space itself can do what it wants. Best explanation I've seen is that ants on a balloon can only walk so fast, but the balloon itself can expand rapidly and... | [] | [] | [
[],
[]
] | |
1pja0v | why do some foods/drinks stain our skin? ex. pomegranate | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1pja0v/eli5_why_do_some_foodsdrinks_stain_our_skin_ex/ | {
"a_id": [
"cd2wdyz"
],
"score": [
3
],
"text": [
"Because they do"
]
} | [] | [] | [
[]
] | ||
9rdiqi | what is the reason why cars are made fwd/rwd? | How do car manufacturers choose between FWD and RWD in their design? Is there a reason behind that? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9rdiqi/eli5_what_is_the_reason_why_cars_are_made_fwdrwd/ | {
"a_id": [
"e8g11tn",
"e8g2v0w",
"e8g3jeo"
],
"score": [
2,
7,
6
],
"text": [
"I’m curious about this too... my understanding (which may be wrong) is that they do it in relation to the type of vehicle you’re dealing with. Fast cars typically absolutely need rear wheel drive while ... | [] | [] | [
[],
[],
[]
] | |
9vnq41 | how does medicine become effective in your body instead of just being digested in your stomach? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9vnq41/eli5_how_does_medicine_become_effective_in_your/ | {
"a_id": [
"e9dn94c",
"e9dnkza",
"e9dnqtk",
"e9dnrgi"
],
"score": [
7,
2,
3,
2
],
"text": [
"That's what digesting does. It breaks things down so that they can be absorbed into your blood stream. Once in your blood, medicine goes everywhere and your body reacts to it the... | [] | [] | [
[],
[],
[],
[]
] | ||
425qc4 | rights of asylum seekers | If a Syrian were to go through a country that is willing to grant them refugee status (for example, Turkey), are they legally entitled (as dictated by either the UN or EU) to refuse and make their way through other countries and into Germany?
Legalities aside, why is it considered unethical or at least 'abusing the s... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/425qc4/eli5_rights_of_asylum_seekers/ | {
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"According to the UN Convention on Refugees, a refugee has the following rights.\n\n > • The right not to be expelled,\nexcept under certain, strictly\ndefined conditions (Article 32);\n\n > • The right not to be punished for\nillegal entry into... | [] | [] | [
[]
] | |
adcfwt | why does downs syndrome occur more than other trisomy diseases? | I get that for many chromosomes it’s probably just cause the pregnancy is unviable with a trisomy of that chromosome. However, there are a few other ones, like trisomy 18 and 13, where it is survivable to the point of being detected yet the number of pregnancies with these syndromes are significantly less than Downs Sy... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/adcfwt/eli5_why_does_downs_syndrome_occur_more_than/ | {
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"I do not believe that 21 is more susceptible to trisomy, but it is more compatible with life than others. Most pregnancies with any trisomy will not make it... | [] | [] | [
[],
[],
[],
[],
[]
] | |
52buwv | wells fargo scam | Please explain this Wells Fargo scam like I am five.
Much appreciated. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/52buwv/eli5wells_fargo_scam/ | {
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143vex | why are some former presidents referred to as former president and some referred to as president? | I've just noticed recently that when talking about former presidents they'll refer to some as Former President (Like I just hear George HW Bush referred to as Former President George HW Bush) and some as just president (I often here Bill Clinton referred to as President Clinton)
Is there a reason for this or is it jus... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/143vex/eli5_why_are_some_former_presidents_referred_to/ | {
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"text": [
"Just discretion. But I must say I also seem to hear \"President Clinton\" much more often than \"Former President...\"",
"\"President\" is an official title, but it is also a job. If you were ever the President of the Un... | [] | [] | [
[],
[]
] | |
26z3pr | are first world countries only wealthy because third world countries are poor? | Going shopping for groceries I often think that most of the things we can buy take a tremendous amount of time and manpower to be produced and to be shipped to us. Yet we can buy exotic fruits, coffee, electronic devices, etc for very little money.
When I work I earn money that represents (somewhat) my amount/time ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/26z3pr/eli5_are_first_world_countries_only_wealthy/ | {
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[],
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"http://www.mapsofworld.com/world-top-ten/world-top-ten-agricultural-exporters-map.html"
],
[],
[]
] | |
2ngsoj | what use has the international prototype kilogram? | What's the use of the international prototype kilogram?
Why do we need it and why is it so protected against mutation?
Propably another stupid question: Why and how did they specify exactly this as the norm Kilo? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ngsoj/eli5_what_use_has_the_international_prototype/ | {
"a_id": [
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"score": [
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3
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"text": [
"The kilogram is the only unit that currently isn't defined by some constant of the universe. The second comes from atomic transitions, the meter by the distance light travels in some amount of time in a vacuum, the mole by t... | [] | [] | [
[],
[
"http://www.youtube.com/watch?v=1l9gqTzAbXI"
]
] | |
68jwh6 | why is international shipping a lot cheaper when we buy something online and have it delivered to our house, but when we go to fedex/ups/etc. to ship something overseas it costs $100+? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/68jwh6/eli5_why_is_international_shipping_a_lot_cheaper/ | {
"a_id": [
"dgz288h"
],
"score": [
13
],
"text": [
"International shipping is based off of weight, and by shipper's contract with various Couriers involved.\n\nMost of what you buy overseas already has a shipping contract and is shipped to a local warehouse and stored for final distrobution to th... | [] | [] | [
[]
] | ||
2su42x | how do snipers account for wind and gravity on long-range shots? | When I was watching American sniper, and he fired that shot more than a mile away, I was wondering how he was able to be so accurate. I always thought that you fire in a straight line at your target as a sniper but what it wind and gravity affects a shot from that distance? I'm just trying to figure out how snipers can... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2su42x/eli5_how_do_snipers_account_for_wind_and_gravity/ | {
"a_id": [
"cnsu53f",
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"score": [
3,
2
],
"text": [
"Lots and lots of practise in differing conditions. Long shots require elevation to compensate for the drop due to gravity, also you need fire at where they will be and not where they are now.",
"Computers. \nSpecific... | [] | [] | [
[],
[
"https://www.youtube.com/watch?v=IiVDtNjORbY"
]
] | |
5zpeyy | what are film/analog cameras and why are they considered cool? | I see a lot of Instagram posts with the hashtag #filmisnotdead too, and yeah these photos have a cool retro feel to them, but are they considered better in the photography world? Like, what's so amazing about film/analog and how are they different/better than photographs taken from DSLR cameras? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5zpeyy/eli5what_are_filmanalog_cameras_and_why_are_they/ | {
"a_id": [
"dezy8nj",
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"df0nuws"
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"score": [
5,
3,
2
],
"text": [
"Firstly... Holy fuck does this post make me feel old.\n\n2ndly it's not nessecarly that film is better than digital, its that you're more connected to the work as you have to take it and process it.. Yo... | [] | [] | [
[],
[],
[]
] | |
3ndd0f | why is college drinking so under regulated? | I'm currently a sophomore at a large public institution in the Northwest, with a definitely active party life but not like California or the South by any means.
With all of the health and legal problems posed by binge drinking, and specifically, underage binge drinking, why is alcohol consumption on campuses and specif... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3ndd0f/eli5_why_is_college_drinking_so_under_regulated/ | {
"a_id": [
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"score": [
17,
4
],
"text": [
"Ever heard the phrase \"pick your battles\"? College kids are going to drink, and trying to stop them is a waste of effort and resources. Furthermore, a drinking age of 21 is relatively new. ",
"Federal law mandates ... | [] | [] | [
[],
[]
] | |
bn2021 | how a speed camera works on a multiple lane road? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bn2021/eli5_how_a_speed_camera_works_on_a_multiple_lane/ | {
"a_id": [
"en2ly3w"
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"score": [
5
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"text": [
"Police cameras use radar guns to measure the speed of cars. Radar works be shooting radio waves at the target, and measuring the amount of shift caused by the Doppler effect on the radio waves to determine the speed of cars. The reason they work ... | [] | [] | [
[]
] | ||
5zdirm | why does a single violin often sound harsh to the ear, while a group of them playing together can sound much more soothing? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5zdirm/eli5_why_does_a_single_violin_often_sound_harsh/ | {
"a_id": [
"dexadi0",
"dexcief"
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"score": [
3,
2
],
"text": [
"Well I don't personally think that a single violin sounds harsh I know that some people upon hearing A violin played badly I will think it harsh. When multiple instruments played together there is an affect called chorusing... | [] | [] | [
[],
[]
] | ||
5zvyag | if blood thinners are used to reduce risk of strokes and heart attacks, why do they cause them? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5zvyag/eli5_if_blood_thinners_are_used_to_reduce_risk_of/ | {
"a_id": [
"df1ihk9",
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"score": [
4,
2
],
"text": [
"Blood thinning drugs don't actually \"thin\" the blood, they work by de-activating the proteins in your blood that cause clots (there's lots of them that work together, which is why there's many different types of \"blood th... | [] | [] | [
[],
[]
] | ||
3bs00m | if infomercials and "too good to be true" deals are widely known to be bs, why are so many of them still made? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3bs00m/eli5_if_infomercials_and_too_good_to_be_true/ | {
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"score": [
5,
3,
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2
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"text": [
"Because the sales generated from the ads is enough to pay for product, advertising, and profit.\n\nJust because most people won't buy it doesn't mean *nobody* will buy it.",
"W... | [] | [] | [
[],
[],
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6l4zbl | if there are billions of transistors in a cpu, why aren't there billions of pins/contacts on the cpu? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6l4zbl/eli5_if_there_are_billions_of_transistors_in_a/ | {
"a_id": [
"djr5skn",
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"score": [
4,
11
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"text": [
"Pins are only necessary to connect with off-chip components. The vast majority of transistors on a chip are connected only to other on-chip transistors. There are indeed billions of tiny intrachip connections (they're cal... | [] | [] | [
[],
[]
] | ||
1aafhu | why is the center of the catholic church in rome instead of, say, israel or jerusalem or another place more closely related to the bible? | I'm not a biblical scholar by any means, but I don't remember Italy being talked discussed. I know (from The DaVinci code haha) that St. Peter is buried in Vatican City. But if that's true, how did he get there? And why was the Catholic Church founded in Italy instead of somewhere important according to the Bible? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1aafhu/eli5_why_is_the_center_of_the_catholic_church_in/ | {
"a_id": [
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"text": [
"Rome was the center of the world at that point, so it was important for Christianity's survival to spread throughout the empire from the capital. Upon his death, Jesus appointed Peter the head of the na... | [] | [] | [
[],
[],
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] | |
1woghi | why does evolution favour the eyes above the nose, and the nose above the mouth? | It seems that an almost universal trait of animals (whether mammalian, reptilian, amphibian or insect) is the position of the eyes being above that of the nose, and the position of the nose being above that ofthe mouth. Although it makes sense to have the eyes as high as possible is their any particular reason for the ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1woghi/eli5_why_does_evolution_favour_the_eyes_above_the/ | {
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"text": [
"It makes the most sense for the mouth to be at the bottom so that food and drink don't drip down into your eyes or nose.",
"its a predator thing, actually... | [] | [] | [
[],
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[],
[],
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"http://daitengu.zoints.com/image/53628-AhippothatIturnedintoanavatarforsomeoneonetime",
"http://www.hdwallpaperspin.com/wp-content/uploads/2012/11/top_dolphin_facts_2.jpg"
]
] | |
e3koa8 | how can one tell if they have absolute pitch vs. relative pitch? | I googled this but I’m still not sure if I’m confusing the two terms. What are you required to have in order to be considered someone with perfect vs relative pitch? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/e3koa8/eli5_how_can_one_tell_if_they_have_absolute_pitch/ | {
"a_id": [
"f93jpmz"
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"score": [
7
],
"text": [
"Absolute pitch is knowing the exact chromatic note being played just like a tuner regardless of key. Relative pitch is hearing and knowing whether a note is in tune based on the key one is in.\n\nEdit: People say you’re born with absolute pitch a... | [] | [] | [
[]
] | |
59hrmo | - why in cooking anyone would use a steel skillet/pan as opposed to something with nonstick coating? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/59hrmo/eli5_why_in_cooking_anyone_would_use_a_steel/ | {
"a_id": [
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"score": [
3,
3,
2,
2,
4
],
"text": [
"Nonstick coatings cannot be used at high temperatures. The coatings begin to break down and they start to poison the food, or they vaporize and poison the coo... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
6wjut7 | how does floodwater stay so high for so long above sea level? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6wjut7/eli5_how_does_floodwater_stay_so_high_for_so_long/ | {
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"score": [
26,
4,
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3
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"text": [
"In a flood, the extra water has nowhere to go -- it can't go into the ground like on a day of average rain because the ground is already saturated (filled) with water, so it just ... | [] | [] | [
[],
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3dex35 | could space rockets be launched via 'railgun' or 'skylift' type methods? before using the engines. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3dex35/eli5_could_space_rockets_be_launched_via_railgun/ | {
"a_id": [
"ct4h1u0"
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"score": [
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"text": [
"In theory? Sure. Is it practical? No. Getting anywhere useful by railgun would mean you'd have to now build the amazingly expensive and difficult to maintain railgun as well as building rockets to a much more difficult spec; one that can withstan... | [] | [] | [
[]
] | ||
axberx | when describing the event of having a stroke, what constitutes it being a major or minor stroke and what does that mean for the person experiencing it? | Just curious, most recently saw this in relation to the death of Luke Perry, they described him as having a MAJOR stroke on all media outlets. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/axberx/eli5_when_describing_the_event_of_having_a_stroke/ | {
"a_id": [
"ehsex2o",
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"score": [
2,
3
],
"text": [
"I don't think there's an exact criteria per se. As far as I am aware major vs minor is fairly subjective. A minor stroke for example would be what my grandma experienced. It was a very small vessel occlusion that resulted in... | [] | [] | [
[],
[]
] | |
b279ha | why does decaffeinated coffee taste different than normal coffee? | Or am I just crazy? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b279ha/eli5_why_does_decaffeinated_coffee_taste/ | {
"a_id": [
"eiqpvhz"
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"score": [
3
],
"text": [
"Most of your decaffeinated coffee is often from lower quality coffee beans than regular coffee. The process to decaffeinate beans is time consuming and expensive, so the way to offset this while maintaining price similar to regular coffee, is to... | [] | [] | [
[]
] | |
5130ud | the incentives for governments to agree to ttip and tpp. | There's a lot of videos, articles, and information out there available on why TTIP and TPP is 'very bad' but I can't seem to find any that explain what incentivizes officials to agree to these terms if it's so bad for both the government itself and the consumers. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5130ud/eli5_the_incentives_for_governments_to_agree_to/ | {
"a_id": [
"d794tw5"
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"score": [
2
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"text": [
"From what I gather as a Kiwi here in New Zealand the main benefit for an export heavy country like us is that our big dairy, meat and seafood companies won't need to pay tariffs on our goods we export to other countries that have signed it, so we... | [] | [] | [
[
"https://www.youtube.com/watch?v=IfcHXjA3Wuw"
]
] | |
3tfkwc | why are piranhas so aggressive against other creatures, but not against their own? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3tfkwc/eli5why_are_piranhas_so_aggressive_against_other/ | {
"a_id": [
"cx5piti",
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"score": [
3,
6,
2
],
"text": [
"Piranha are in general much less aggressive than you would expect. They aggressively attack in some rare circumstances, usually something thrashing around in distress as they know it's weak and they ca... | [] | [] | [
[],
[],
[]
] | ||
avh9l0 | why does the point system in football count by 6 and not by just one? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/avh9l0/eli5_why_does_the_point_system_in_football_count/ | {
"a_id": [
"ehf2ecj",
"ehf3fdw",
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"ehfrvbi"
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"score": [
9,
4,
3,
2
],
"text": [
"In American football, there are ways to score by two (safety), three (field goal), six (touchdown), seven (TD and extra point), and eight (TD with two-point conversion). So it woul... | [] | [] | [
[],
[],
[],
[]
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1jaenv | professional athletes' salaries? | Why do some get paid enormous amounts of money? I realized their hard work and dedication to a sport, but to have 5 year, 100 million dollar contracts seem absurd to me. Also, why do players complain that their salaries are not enough compared to others..they're already making millions..so why ask for more? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1jaenv/eli5_professional_athletes_salaries/ | {
"a_id": [
"cbcov1a",
"cbcov2z",
"cbcoxbl",
"cbcwmaw"
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"score": [
2,
8,
3,
2
],
"text": [
"Their very high salaries aren't exactly due to their hard work and dedication; many people work harder or are more dedicated to their line of work. But with pro sports, having a \... | [] | [] | [
[],
[],
[],
[]
] | |
2t4dmp | why does water have to list its ingredients? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2t4dmp/eli5why_does_water_have_to_list_its_ingredients/ | {
"a_id": [
"cnvl52r"
],
"score": [
2
],
"text": [
"All food and drinks regulated by the FDA are required to list their ingredients, and its easier just to say no exceptions than it is to write up different rules for a bunch of different products.\n\nBefore you ask, alcoholic beverages are not reg... | [] | [] | [
[]
] | ||
8wb1lf | how can a human stomach realistically hold 74 hot dogs and buns? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8wb1lf/eli5_how_can_a_human_stomach_realistically_hold/ | {
"a_id": [
"e1u2aoh"
],
"score": [
2
],
"text": [
"The stomach is not a stiff organ. Its due to it's elasticity, the material / tissue of the stomach is pretty elastic, allowing it to hold a lot of solids/liquids without \"exploding\" or breaking up. It pretty much acts as a bag.\n\nWithout count... | [] | [] | [
[]
] | ||
2c2frl | why is the post-ww2 50s decade considered the quintessential time period for defined gender roles when throughout the 40s women were in "men's" roles for the first time? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2c2frl/eli5_why_is_the_postww2_50s_decade_considered_the/ | {
"a_id": [
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"cjbkk3m",
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"score": [
19,
17,
4,
6,
2,
2,
2
],
"text": [
"Because after the war there was a push for women to go back to traditional roles, this didn't fly. So women have... | [] | [] | [
[],
[],
[],
[],
[],
[
"https://en.wikipedia.org/wiki/Clara_Zetkin"
],
[]
] | ||
bkqeao | i've seen clips of players im games like minecraft and others make fully functioning calculators. how is this done/possible? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bkqeao/eli5_ive_seen_clips_of_players_im_games_like/ | {
"a_id": [
"emiqi28",
"emit4r8"
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"score": [
2,
6
],
"text": [
"Minecraft has a way to simulate any sort of electronic circuit using Redstone. \n\nIf you just read the section on Redstone in the Minecraft wiki you can learn how to make all the different electronic components such as di... | [] | [] | [
[],
[
"https://youtu.be/gI-qXk7XojA",
"https://youtu.be/UvI-AMAtrvE"
]
] | ||
5y6shn | why does the body stay asleep when choking on vomit? | I had a friend die in his sleep from choking on his vomit after using Xanax for the high. I'm curious as to why he and all the other people that die this way don't wake up so they can change positions or consciously remove the vomit from their throat. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5y6shn/eli5_why_does_the_body_stay_asleep_when_choking/ | {
"a_id": [
"denm8ha",
"denmeeo"
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"score": [
8,
10
],
"text": [
"The body is supposed to wake up from such a situation. However, drugs may disrupt the normal function of the body and brain. Especially drugs that affect the nervous system.\n\nThe body is supposed to breathe automatically ... | [] | [] | [
[],
[]
] | |
6bqpsk | what is the red pill? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6bqpsk/eli5_what_is_the_red_pill/ | {
"a_id": [
"dhor1nz"
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"score": [
6
],
"text": [
"It gets a bad reputation because at its core it relies on the idea that women are essentially children and a resource as opposed to actual people, and puts men into a position where they feel victimized, in part as a reaction to their perception ... | [] | [] | [
[]
] | ||
2m7i0k | re: net neutrality; how exactly is the fcc a standalone entity and why cannot the president tell them to do what he wants? it's part of the executive branch, and the president is the head of the executive branch. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2m7i0k/eli5_re_net_neutrality_how_exactly_is_the_fcc_a/ | {
"a_id": [
"cm1mscy"
],
"score": [
17
],
"text": [
"It's classified as an Independent Agency within the Executive Branch. It's to ensure that the President doesn't have too much power over something that is technically supposed to be non-partisan. The President appoints the head of the FCC, as we... | [] | [] | [
[]
] |
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