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26ssmj
ethanol in fuel - what is it? why is it added? is it good/bad and why so?
Every gas station I go to has stickers all over the pumps that say "Contains 10% Ethanol". What exactly does that mean? Is it a good thing or a bad thing?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/26ssmj/eli5ethanol_in_fuel_what_is_it_why_is_it_added_is/
{ "a_id": [ "chu3ziz", "chu6o5c", "chu8hlw", "chu9btu", "chu9ure", "chuaqfy", "chubg5o", "chubrw6" ], "score": [ 8, 4, 3, 2, 2, 3, 3, 3 ], "text": [ "E10 is a blend of gas/alcohol made from biomass (corn, usually). Most modern cars are just...
[]
[]
[ [], [], [], [], [], [], [], [] ]
eqraqn
how are plant seeds, which are being sold commercially and are super dry, able to germinate even after a long period of time?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/eqraqn/eli5_how_are_plant_seeds_which_are_being_sold/
{ "a_id": [ "fewpszz" ], "score": [ 6 ], "text": [ "A lot of plants in nature can't rely on the seeds immediately ending up in an ideal environment to germinate. So the plant evolved to produce seeds that can lie dormant for awhile. So along with the plant embryo, seeds usually contain food for th...
[]
[]
[ [] ]
7s8d0e
why do musketeers have swords instead of muskets?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7s8d0e/eli5_why_do_musketeers_have_swords_instead_of/
{ "a_id": [ "dt2qrsu", "dt2qzx0" ], "score": [ 5, 7 ], "text": [ "Musketeer is literally the word to describe a soldier equipped with a musket.\n\nAnywhere you see a musketeer without a musket, it has either been disarmed or tossed away during close combat.", "Musketeer literally means...
[]
[]
[ [], [] ]
1kyxf2
youtube's buffer. it buffers, but if your internet gets turned off, the video stops. it never used to be like this.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1kyxf2/eli5_youtubes_buffer_it_buffers_but_if_your/
{ "a_id": [ "cbu3sul", "cbu4o4s", "cbu5k0f" ], "score": [ 6, 10, 5 ], "text": [ "This is maddening. I used to be able to pull up a video, let it load all the way, then be guaranteed that I could get through the whole thing without it stopping to buffer midway through. I would def...
[]
[]
[ [], [], [ "https://addons.mozilla.org/en-US/firefox/addon/smartvideo-for-youtube-mytube/" ] ]
cs4cbo
i spilt bleach on my clothes. why are some clothes extremely discolored and others unaffected?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/cs4cbo/eli5_i_spilt_bleach_on_my_clothes_why_are_some/
{ "a_id": [ "excgqao", "excn98w" ], "score": [ 5, 4 ], "text": [ "No clothes are unaffected by bleach. Bleach is very reactive, and it breaks the bonds in coloring molecules, changing them to other molecules without the same color.", "Natural fibers are dyed, meaning the fiber is firs...
[]
[]
[ [], [] ]
1og4lm
how did people get their drugs delivered from silk road without getting caught?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1og4lm/eli5_how_did_people_get_their_drugs_delivered/
{ "a_id": [ "ccrmqsw", "ccrmsa9", "ccrn8bl", "ccrqkrv", "ccrsaw4" ], "score": [ 34, 5, 11, 2, 7 ], "text": [ "\"I love the UPS guy, because he's a drug dealer and he doesn't even know it.\" -Mitch Hedberg", "My understanding is at least some of the sellers would...
[]
[]
[ [], [], [], [], [] ]
c2njng
why you can chug almost all drinks, yet alcohol is so hard to chug.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/c2njng/eli5_why_you_can_chug_almost_all_drinks_yet/
{ "a_id": [ "erlb8y1", "erld7hz" ], "score": [ 5, 3 ], "text": [ "Not always, if you mix up a good cocktail without too much bubbles it's not too hard to chug", "Alcohol is a very good solvent. We divide stuff into water based and fat based. Water dissolves water based things but n...
[]
[]
[ [], [] ]
9gaaba
why can’t hurricanes hit land and turn into tornadoes or vice versa?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9gaaba/eli5_why_cant_hurricanes_hit_land_and_turn_into/
{ "a_id": [ "e62lnhg", "e62q4h8" ], "score": [ 10, 2 ], "text": [ "Because they're totally unrelated weather phenomenon. Superficially they might seem similar in that they both rotate and have high wind speeds, but that's where the similarities end. ", "Hurricanes are huge weather syst...
[]
[]
[ [], [] ]
2eq23q
why do we need three different sizes of hdmi plugs?
Or, any plugs that have several sizes for that matter. Why do we even need so many sizes? What is the problem with just having the smallest one? Even if the larger one is more reliable (is it?), is there really a need for all three sizes? (in the case of HDMI). It is quite annoying to have all the adapters, when it ...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2eq23q/eli5_why_do_we_need_three_different_sizes_of_hdmi/
{ "a_id": [ "ck1trmd" ], "score": [ 8 ], "text": [ "Usually the largest plug size comes first. Then, when technology gets a bit better, if people want to rearrange it to a smaller size they usually do.\n\nPeople don't immediately switch to the smaller size because there are already a lot of device...
[]
[]
[ [] ]
1uf94m
now that pot is legal in colorado, how are the surrounding states dealing with it?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1uf94m/eli5_now_that_pot_is_legal_in_colorado_how_are/
{ "a_id": [ "cehn3f9", "cehpm9g" ], "score": [ 4, 2 ], "text": [ "It is hard to foresee the economies of this, but in the big picture there will be fewer shortages in those states, and possibly in any state within a thousand miles. The drive to eradicate pot could be over, but in the short...
[]
[]
[ [], [] ]
4cyr7i
what makes music "music" instead of random noise?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4cyr7i/eli5_what_makes_music_music_instead_of_random/
{ "a_id": [ "d1mekps", "d1mg95g", "d1mgtx2", "d1mhqso" ], "score": [ 2, 2, 2, 2 ], "text": [ "Culture is a part of it, but it's also about our brain's pattern making ability. Music is music because it is a pattern of notes set to a beat. When you change the pitch, you're ch...
[]
[]
[ [], [ "https://youtu.be/xrqqkh3Upmo?t=65", "https://www.youtube.com/watch?v=2EZ3k10Hpp4", "https://www.youtube.com/watch?v=FBlnrRUVfo0", "https://www.youtube.com/watch?v=D7o7BrlbaDs" ], [], [ "https://www.youtube.com/watch?v=l8L-EELwuhg" ] ]
35shu4
what is actually happening to heroin addicts or hard drug users when they "nod off"?
Are they actually falling asleep or are they in such a euphoric state that they can't maintain consciousness?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/35shu4/eli5_what_is_actually_happening_to_heroin_addicts/
{ "a_id": [ "cr7k5u2" ], "score": [ 3 ], "text": [ "As a former opiate addict, I would nod because I was so high that I had actually surpassed my euphoric state. As in I should have not snorted that last line because this isn't fun anymore. Nodding also used to happen for me when I would try to pa...
[]
[]
[ [] ]
4buolf
why do graphics that show how gravity works always depict spacetime as a 2-dimensional surface (like a stretchy piece of rubber with heavy balls sitting on it representing planets & stars) - and how would it look if spacetime was shown in 3 dimensions?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4buolf/eli5_why_do_graphics_that_show_how_gravity_works/
{ "a_id": [ "d1ckzg4", "d1clugu" ], "score": [ 2, 3 ], "text": [ "It is done because it is significantly easier to do so in two dimensions. This is also generally okay because it saves you a ton of work that wouldn't really add to your understanding of the subject. You don't really gain mu...
[]
[]
[ [], [] ]
3o8ler
how do worms get into foods like mangos and eggplants without piercing the skin?
I've cut into the foods and found worms in them. How do they get in without puncturing the skin?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3o8ler/eli5_how_do_worms_get_into_foods_like_mangos_and/
{ "a_id": [ "cvuxt28" ], "score": [ 2 ], "text": [ "Bugs lay eggs in the flowers, the flower turns into a fruit, and then the egg hatches. The worm comes out of the egg." ] }
[]
[]
[ [] ]
jgoxv
how do you use git and github?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/jgoxv/eli5_how_do_you_use_git_and_github/
{ "a_id": [ "c2byl2i", "c2byl8j", "c2byymf", "c2bzf7k", "c2bzmhj", "c2c0eau", "c2c0j6r", "c2byl2i", "c2byl8j", "c2byymf", "c2bzf7k", "c2bzmhj", "c2c0eau", "c2c0j6r" ], "score": [ 6, 307, 2, 5, 2, 2, 2, 6, 307, 2, 5...
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[]
[ [], [], [ "http://hginit.com/" ], [ "http://www.reddit.com/r/explainlikeimfive/comments/jgoxv/eli5_how_do_you_use_git_and_github/c2byl8j", "http://progit.org/book/" ], [], [], [], [], [], [ "http://hginit.com/" ], [ "http://www.reddit.com/r/explainlikeimfive/comments/jg...
254nrm
why is does our society thrive so much on negativity?
You see it everywhere these days. Rampant fanboy bitching about upcoming video games, movies, etc. Reality shows focusing on negative archetypes in society. News media outlets focusing on major tragedies. Why does our species embrace it so much?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/254nrm/eli5_why_is_does_our_society_thrive_so_much_on/
{ "a_id": [ "chdmpx3", "chdo1o5", "chdxbe4" ], "score": [ 6, 4, 2 ], "text": [ "Well, how did making this post make you feel? Did it vent your frustrations and dissatisfaction?", "Maybe we take good things for granted to a degree. So the bad things catch our attention, and we t...
[]
[]
[ [], [], [] ]
3hu4qj
what effects do animals that become extinct have on the world?
Is it just a matter of overpopulation of another species? What reasons are there to conserve endangered species such as Rhinos?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3hu4qj/eli5_what_effects_do_animals_that_become_extinct/
{ "a_id": [ "cuajjte", "cuajpia", "cuajxv7", "cub831t" ], "score": [ 5, 4, 2, 2 ], "text": [ "Some species may be a keystone species. This means they have a great influence on other species in their habitat. In Yellowstone the decline in the number of gray wolves lead to an...
[]
[]
[ [], [], [], [ "http://en.wikipedia.org/wiki/Background_extinction_rate", "http://en.wikipedia.org/wiki/Keystone_species", "https://en.wikipedia.org/wiki/Holocene_extinction", "https://en.wikipedia.org/wiki/Umbrella_species", "https://en.wikipedia.org/wiki/Sea_otter", "http://en.wikiped...
4f8dtw
how are buses run to generally be on time despite traffic, varying numbers of stops, and people being slow to get on or off?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4f8dtw/eli5how_are_buses_run_to_generally_be_on_time/
{ "a_id": [ "d26pvrw", "d26py5l", "d26q7hh" ], "score": [ 15, 2, 2 ], "text": [ "They estimate based on the location and time how much traffic there will be and how many riders there will be. A few stops will be \"layover\" stops where the bus won't leave until the scheduled time, ...
[]
[]
[ [], [], [] ]
4fhn9m
why does your vision continue to spin even after you stop spinning?
You know, you get in a swivel chair and spin around really fast and then stop but you're vision still seems to "spin"? Is my brain catching up or something?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4fhn9m/eli5_why_does_your_vision_continue_to_spin_even/
{ "a_id": [ "d28v8tg", "d28vo0d", "d29i310" ], "score": [ 78, 7, 4 ], "text": [ "Our sense of balance, motion, and direction come from what's called the vestibular system, which is located in our inner ears. Part of this system is 3 small tubules filled with fluid. When when move o...
[]
[]
[ [], [], [] ]
9abhd6
what are twitter bots and why are they often associated with trolls?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9abhd6/eli5_what_are_twitter_bots_and_why_are_they_often/
{ "a_id": [ "e4u606w", "e4u60iz" ], "score": [ 2, 2 ], "text": [ "Given that this question could be seen as dealing with current events, I'll direct you to r/outoftheloop. I hope you find your answer!", "Twitter bots are computer programs which are able to tweet the exact same comment ...
[]
[]
[ [], [] ]
64qm9t
two constitutional rights. the right to vote and bare arms. why is requiring an id to vote discrimination but same rules don't apply to guns?
Looking more for a legal answer than opinion.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/64qm9t/eli5_two_constitutional_rights_the_right_to_vote/
{ "a_id": [ "dg47pmy", "dg47q08", "dg47t77", "dg481pe", "dg48f5p" ], "score": [ 2, 8, 2, 2, 2 ], "text": [ "Well, voter ID laws exist. People have a problem with them because they are (allegedly) discriminatory, not because they're unconstitutional.\n\nBut it's real...
[]
[]
[ [], [], [], [], [] ]
6poqr6
how does our immune system decide what substances it should produce antibodies for?
I've been reading about red meat allergy from lone star ticks (on wikipedia) and read that the cause was supposedly from a substance from most mammals called alpha-gal entering the bloodstream and our body producing antibodies. These antibodies in turn make us allergic to alpha-gal when we eat it in our food. I've got...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6poqr6/eli5_how_does_our_immune_system_decide_what/
{ "a_id": [ "dkr11ay" ], "score": [ 15 ], "text": [ "Your body makes antibodies completely randomly.\n\nImagine a child playing with some building blocks. Each B-Cell builds a little tower of blocks by randomly rearranging a special part of it's DNA when it develops. If the antibody it's made stic...
[]
[]
[ [] ]
2ox4i5
how are eulas legal in the united states if you can't return the software after you've "purchased" it?
Isn't that essentially forcing you to obey some of the conditions of a contract (the part about you paying money) without the other party having to obey any conditions (such as letting you use the software)? Are there two separate contracts at work here, such that the first contract involves you paying for the privileg...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2ox4i5/eli5_how_are_eulas_legal_in_the_united_states_if/
{ "a_id": [ "cmrcp7g" ], "score": [ 6 ], "text": [ "I'm gonna answer this in a way that you don't want to hear, but its really the correct answer as of now:\n\nEULAs are problematic for the courts. There have not really been enough cases or strong decisions in either way to make it clear what the...
[]
[]
[ [] ]
kgpdx
why don't the great pyramids of giza have foundation problems?
Sand doesn't seem like a good choice.. Am I missing something obvious?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/kgpdx/why_dont_the_great_pyramids_of_giza_have/
{ "a_id": [ "c2k4dw1", "c2k6717", "c2k4dw1", "c2k6717" ], "score": [ 29, 8, 29, 8 ], "text": [ "They actually sit on the bedrock.\n", "It's hard to see in online photos, but they went to bedrock and removed quite a bit of rock in order to level the site.\n\nThere is a l...
[]
[]
[ [], [], [], [] ]
6dyilk
why do some religions​ restrict specific foods?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6dyilk/eli5_why_do_some_religions_restrict_specific_foods/
{ "a_id": [ "di6dwj7", "di6f34j" ], "score": [ 6, 5 ], "text": [ "There are proper scientific/historic reasonings as to why some religions restrict particular foods. \n\nJainism restricts garlic and onion because those foods are said to 'heat up' your body\n\nIt has been speculated that a ...
[]
[]
[ [], [] ]
8jiauk
what's the difference between the meat at the butcher's counter and the meat next to it that's pre-packaged?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8jiauk/eli5whats_the_difference_between_the_meat_at_the/
{ "a_id": [ "dyzw2lz", "dyzw919", "dyzwt28" ], "score": [ 2, 3, 2 ], "text": [ "One is cut from larger primal cuts at a factory to whatever specs the factory and/or the buyer wants. An in-store butcher might cut a primal to the size/cut you want. \n\nBeyond that, the differences ar...
[]
[]
[ [], [], [] ]
ajpf6h
why is a tetanus shot required for a deep puncture wound, but not scratches that still draw blood?
Holy crap this blew up! Also, thank you for the silver.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ajpf6h/eli5_why_is_a_tetanus_shot_required_for_a_deep/
{ "a_id": [ "eexg0lx", "eexgph6", "eext60r", "eexth1e", "eextl7w", "eey2vkr", "eey3550", "eey7ngw", "eeym7pr", "eeyyi08", "eeyzdh4", "eez4lnb", "eezkv32" ], "score": [ 27, 10617, 365, 897, 373, 73, 6, 8, 5, 7, 2, 2...
[]
[]
[ [], [], [], [], [], [], [], [], [], [ "https://news.ohsu.edu/2016/03/22/study-shows-tetanus-shots-needed-every-30-years-not-every-10" ], [], [], [] ]
84ro7i
i've seen dates expressed as both b.c/a.d and b.c.e/c.e, if a.d is the year jesus was born, what year b.c or a.d did b.c.e switch to c.e?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/84ro7i/eli5_ive_seen_dates_expressed_as_both_bcad_and/
{ "a_id": [ "dvrtrfz", "dvrtuig", "dvru3at" ], "score": [ 7, 2, 3 ], "text": [ "The year of the switch is the same in both naming conventions. It is just a shifting from a religious connotation with \"Anno Domini\" to a secular connotation with \"Common Era\". ", "BC/AD and BCE...
[]
[]
[ [], [], [] ]
57adfg
why are liberal and conservative ideologies named what they are?
To a degree I understand why liberal ideology is called 'liberal', although the priority doesn't seem entirely 'liberating' from a regulatory standpoint, but why is conservative ideology called 'conservative'?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/57adfg/eli5_why_are_liberal_and_conservative_ideologies/
{ "a_id": [ "d8q8trn", "d8q8ycq", "d8rrx5n" ], "score": [ 2, 3, 2 ], "text": [ "Because they want to conserve the traditional social and political institutions. \n\n_URL_0_\n\n > Conservatism as a political and social philosophy promotes retaining traditional social institutions i...
[]
[]
[ [ "https://en.wikipedia.org/wiki/Conservatism" ], [], [] ]
3y76z3
how do closed captioning systems work for movies?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3y76z3/eli5_how_do_closed_captioning_systems_work_for/
{ "a_id": [ "cyb4piv", "cybasju" ], "score": [ 3, 25 ], "text": [ "I don't know how the system works per se, but I did just have my 1st experience using it. It was an independent device that fits in the cup holder. You can then twist and bend the stalk part so that the box part that displa...
[]
[]
[ [ "http://www.cineplex.com/Theatres/ClosedCaption", "https://www.amctheatres.com/assistive-moviegoing" ], [ "https://pro.sony.com/bbsccms/assets/files/mkt/digicinema/brochures/EntAccessGlasses-DI-0272_2.pdf", "http://www.doremilabs.com/products/cinema-products-2/captiview/" ] ]
6r9zm3
why are plasma and blood donated separately??
I was reading about donating plasma and it said that your blood was circulated back into your body after the plasma was filtered out. Why not just take both??
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6r9zm3/eli5_why_are_plasma_and_blood_donated_separately/
{ "a_id": [ "dl3h8db", "dl3h8je" ], "score": [ 2, 3 ], "text": [ "Whole blood donation does just that. However, generally plasma is of lesser value for transfusions, and anyone collecting plasma for the plasma doesn't care too much about anything but the plasma, so the rest is filter...
[]
[]
[ [], [] ]
1vqeud
if i overcook chicken by boiling, why does it become dry?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1vqeud/eli5_if_i_overcook_chicken_by_boiling_why_does_it/
{ "a_id": [ "ceusinz" ], "score": [ 3 ], "text": [ "So, the proteins in the raw chicken are kinda loose and sitting around with moisture in them like sponges. When you heat up the proteins, they squeeze together and expel all the water. \n\nThis article explains this an mentions that chicken sho...
[]
[]
[ [ "http://www.chefdarin.com/2011/04/why-boiled-chicken-is-bad/" ] ]
ahjb1o
gaming pc parts and what they do
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ahjb1o/eli5_gaming_pc_parts_and_what_they_do/
{ "a_id": [ "eef1n3y", "eef2coo" ], "score": [ 2, 4 ], "text": [ "Questions like this are better in r/buildapc or r/techsupport.", "Here are the necessary parts of a computer:\n\n* CPU - also known as the processor. Basically the brains of the computer.\n\n* Motherboard - a circuit ca...
[]
[]
[ [], [] ]
8m5c5n
why shaking my head left and right , remove or lower feeling of dizziness ?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8m5c5n/eli5_why_shaking_my_head_left_and_right_remove_or/
{ "a_id": [ "dzkxugq" ], "score": [ 6 ], "text": [ "Your inner ear has water in it. If you are dizzy it's because the water is moving and you are not. When that is happening shaking your head to and fro ends up moving the water against its current flow. Since the water inside your inner ear is mov...
[]
[]
[ [] ]
1kl7x3
how are mah (and amps in general) and voltage related in terms of batteries?
For instance in laptops, phones, toys and such. Specifically I guess i mean if you have higher voltage, does that affect how much the mAh is "worth"?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1kl7x3/eli5_how_are_mah_and_amps_in_general_and_voltage/
{ "a_id": [ "cbq2bvp", "cbq2jhy", "cbq66ev" ], "score": [ 2, 3, 2 ], "text": [ "A milli-amp hour is how many milli-amps are drawn down in one hour. If a battery is rated at 2400 mAh and the device it is connected to draws a steady 100 milli-amps per hour, the battery will drain in ...
[]
[]
[ [], [], [] ]
bdk45k
why is the music industry filled with drug abuse?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/bdk45k/eli5_why_is_the_music_industry_filled_with_drug/
{ "a_id": [ "ekyrov2" ], "score": [ 4 ], "text": [ "This is a loaded question\n\nIs the music industry filled with drug abuse compared to other industries? Do you have some metric on this? Actually not music, but there are lots of research on industries as a whole\n\nSure musicians use drugs, so ...
[]
[]
[ [ "https://www.drugrehab.com/addiction/common-professions/" ] ]
65eowp
how does the press to test feature work on aa batteries?
On some AA batteries, you can squeeze two points on the battery and it indicates how much juice is left. How does that work?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/65eowp/eli5_how_does_the_press_to_test_feature_work_on/
{ "a_id": [ "dg9ng9q" ], "score": [ 12 ], "text": [ "They use a combination of colour changing and conductive ink. \n\nThe ink is conductive so that when you touch the two points, current can flow. \n\nThe colour change occurs with temperature. \n\nSo what you do is create a gradually widening str...
[]
[]
[ [] ]
754ik5
why do some animals "show off" their babies to humans?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/754ik5/eli5_why_do_some_animals_show_off_their_babies_to/
{ "a_id": [ "do3eiod", "do3fx0w", "do3n651" ], "score": [ 28, 8, 2 ], "text": [ "Why do humans \"show off\" their babies to other humans?\n\nAnimals, contrary to some belief, do possess a modicum of intelligence. If the animal believes humans aren't a threat and, especially with an...
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[ [], [], [] ]
7dxpig
why does biting aluminum foil feel unpleasant but biting on a metal spoon or fork doesn't?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7dxpig/eli5_why_does_biting_aluminum_foil_feel/
{ "a_id": [ "dq1d00l" ], "score": [ 3 ], "text": [ "Aluminum foil is just the processed and pressed, oxidized element; where as steel is a stable alloy, and other flatware materials, like silver, are much less reactive. Due to the Al being raw-ish, when you bite down the foil, your saliva, and you...
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[ [] ]
6lo846
how are tv ratings a useful measure of an episode's quality if tuning in (i.e. ratings) happens before anyone knows what the episode is about?
Sites that list tv show episode rankings and ratings (i.e. IMDB, Wikipedia, etc) often include a line for TV viewership/audience as an indication of whether an episode was popular. But since you have to *watch* an episode before you can form an opinion, doesn't the size of the audience exist independently from it's sub...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6lo846/eli5_how_are_tv_ratings_a_useful_measure_of_an/
{ "a_id": [ "djvak72" ], "score": [ 4 ], "text": [ "The ratings aren't there to judge the quality of an episode -- that's for critics and the public to decide.\n\nThe purpose of the ratings is to determine how many people are watching it, and the demographics of those people, so that the networks ...
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[ [] ]
dgb5m4
why did old tvs have be set on channel 3 if you wanted to play anything linked to it such as a vcr, dvd player, or game console?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/dgb5m4/eli5_why_did_old_tvs_have_be_set_on_channel_3_if/
{ "a_id": [ "f3ajjfe", "f3akl7r", "f3avf4c", "f3aw1jr", "f3aymrx" ], "score": [ 75, 7, 4, 6, 2 ], "text": [ "The game consoles had a built in “video modulator” that took the video/audio and basically had a miniature tv station transmitter inside them. TVs at the tim...
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[ [], [], [], [], [] ]
equgdv
how does therapy work/repair years of low self esteem and feeling worthless?
How does it make people feel better and stop the feeling of hopelessness? Is it different from just talking to someone?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/equgdv/eli5_how_does_therapy_workrepair_years_of_low/
{ "a_id": [ "fexcq1r", "fexjeg3", "fexmn7i", "feyd271" ], "score": [ 28, 2, 3, 3 ], "text": [ "You’re thinking of something called “cognitive behavioural therapy”.\n\nBasically, when you’ve thought you’re a worthless sack of shit for years...your brain has formed certain ha...
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[ [], [], [], [] ]
3e7bv7
what would happen if a democratic presidential candidate picked a republican vp / vice versa?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3e7bv7/eli5_what_would_happen_if_a_democratic/
{ "a_id": [ "ctc5nxc", "ctc6bo6" ], "score": [ 2, 4 ], "text": [ "Other than a lot of drama? Nothing special.\n\nPolitical parties are mostly just a matter of convenience, and don't have any sort of formal standing constitutionally.\n\nThere would be a lot of drama, and the candidate would...
[]
[]
[ [], [] ]
2qmj5m
how is math universal? would aliens have the same math as us? isn't it just an arbitrary system of calculations? would we be able to communicate with aliens through mathematics?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2qmj5m/eli5_how_is_math_universal_would_aliens_have_the/
{ "a_id": [ "cn7fwzw", "cn7fxox", "cn7g6yu", "cn7gbvx", "cn7ghj7", "cn7gn3l", "cn7halg", "cn7k7xd", "cn7ksfx", "cn7mm8m", "cn7n47v", "cn7n4bb", "cn7okl8", "cn7ozu7", "cn7pklo", "cn7usy1", "cn7vqg2", "cn82mfu", "cn82ywr", "cn852pr", "c...
[]
[]
[ [], [], [], [], [ "https://www.dartmouth.edu/~matc/MathDrama/reading/Wigner.html" ], [], [], [], [], [], [], [], [ "http://i.imgur.com/JnoT3Hr.png" ], [], [], [], [], [], [ "http://en.wikipedia.org/wiki/Formalism_(mathematics)", "http://www.newyorker.com/magaz...
2g1r9d
why are there so many typos in phishing emails?
Is it really just that their English is bad? Why aren't there any intelligent phishers?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2g1r9d/eli5_why_are_there_so_many_typos_in_phishing/
{ "a_id": [ "cket9qo", "ckete1y" ], "score": [ 4, 2 ], "text": [ "Depends on the scam. Often phishing emails trying to get you to click a link that installs malware or ask for your password are quite well written.\n\nPhishing emails like the Nigerian 419 scams trying to get you to help li...
[]
[]
[ [], [] ]
54xew1
what is that sinking feeling you get as you come to grips with the reality of the passing of someone you were close to?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/54xew1/eli5_what_is_that_sinking_feeling_you_get_as_you/
{ "a_id": [ "d85qpek", "d85r39t" ], "score": [ 4, 2 ], "text": [ "Fear.. the instinctual reaction to a threat/change to your current life and environment. That person is gone and you fear how your life will be different since this reality is new and unknown.", "I depends on the person ...
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[ [], [] ]
1ln6mj
why is it acceptable for there to be ethnic related scholarships (african american only, hispanic americans only, indian americans only, etc) but it's considered racist of there was a scholarship for caucasian americans?
I'm looking up scholarships for school and I can't apply for about 75% of them because I'm not part of that ethnic group. Out of curiosity, I looked up "Caucasian only scholarships" on Google and found out there was a big uproar at Columbia University for introducing a Caucasian American type of scholarship. I'm not tr...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1ln6mj/eli5_why_is_it_acceptable_for_there_to_be_ethnic/
{ "a_id": [ "cc0vcah", "cc0vsrm", "cc0vyco", "cc0z2k6" ], "score": [ 2, 9, 3, 4 ], "text": [ "They definitely exist. I got a scholarship from the Sons of Norway. I'm sure most nationalities have an equivalent.", "Because even with all those scholarships earmarked toward...
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[]
[ [], [ "http://www.finaid.org/scholarships/20110902racescholarships.pdf" ], [], [] ]
4v0065
what is responsible for the increased prevalence of sickle cell anaemia among people of african/caribbean/middle eastern origin?
There has been a well documented link between increased prevalence of the disease among black people, or at least countries in which they are the predominant racial group. But critically, *race is a social construct* - it doesn't have any biological basis. There is so race chromosome, gene, or whatever. It's just som...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4v0065/eli5_what_is_responsible_for_the_increased/
{ "a_id": [ "d5u9fc3", "d5u9gfg", "d5u9u06" ], "score": [ 11, 3, 2 ], "text": [ " > 1) What is the common feature that makes black people susceptible to the disease?\n\nThe simple answer is that it's genetic. While race is a social construct to some extent, there are definitely ge...
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[]
[ [ "https://en.wikipedia.org/wiki/Sickle-cell_disease#/media/File:Malaria_distribution.jpg", "https://en.wikipedia.org/wiki/Sickle-cell_disease#/media/File:Sickle_cell_distribution.jpg" ], [], [] ]
5nqfb5
when we're sick we go to bed, but why does it take a couple of minutes before you feel it when you get out of bed again?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5nqfb5/eli5_when_were_sick_we_go_to_bed_but_why_does_it/
{ "a_id": [ "dcdh6zq" ], "score": [ 2 ], "text": [ "Your body adjusts a lot of homeostatic processes for upright vs lying down. Things like blood pressure, heart rate, vasoconstriction." ] }
[]
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[ [] ]
52rbw3
why is it that after i stretch, my whole body momentarily feels tired and weak?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/52rbw3/eli5_why_is_it_that_after_i_stretch_my_whole_body/
{ "a_id": [ "d7mpmd5" ], "score": [ 13 ], "text": [ "Blood is being re-routed fairly dramatically with large stretches (which is a large part of why they're good for you). Parts of the body using that blood will briefly have less access to resources - or feel sluggish." ] }
[]
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[ [] ]
3y3dhe
if everyone streamed video at the same time today, would the internet stop working?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3y3dhe/eli5_if_everyone_streamed_video_at_the_same_time/
{ "a_id": [ "cya4wfl", "cya6bso", "cyae8pk" ], "score": [ 4, 2, 3 ], "text": [ "First of all. Those 2 comments tou wrote should go in the body of your post, not in the comments section.\n\n & nbsp;\n\nSecond, \"internet\" isnt a resource. You cant run out of internet. The internet ...
[]
[]
[ [], [], [] ]
22hlu5
why does drinking alcohol soon become 'addictive' while drunk?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/22hlu5/eli5why_does_drinking_alcohol_soon_become/
{ "a_id": [ "cgmwf4v" ], "score": [ 2 ], "text": [ "Drinking raises your pain tolerance and lowers your social inhibitions. You may be hesitant to get drunk while sober, then get buzzed and decide to go all in because it started to feel nice and it's helping you have fun." ] }
[]
[]
[ [] ]
3y8v7m
why are aliens generally portrayed/imagined as green or gray?
Where did the stereotype come from?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3y8v7m/eli5_why_are_aliens_generally_portrayedimagined/
{ "a_id": [ "cybhwcp", "cyblb5u", "cyblkrk", "cyblv15", "cybmfku", "cybmmin", "cybmn0g", "cybmse1", "cybn21i", "cybn5os", "cybngyu", "cybnk28", "cybnnkw", "cybnwpl", "cyboa2v", "cybocw7", "cybohqi", "cybomkr", "cybop8t", "cybppry", "c...
[]
[]
[ [ "https://www.reddit.com/r/explainlikeimfive/comments/3y8v7m/eli5_why_are_aliens_generally_portrayedimagined/cybs19c", "https://en.wikipedia.org/wiki/Betty_and_Barney_Hill_abduction", "https://en.wikipedia.org/wiki/Reptilians", "https://en.wikipedia.org/wiki/Nordic_aliens", "https://en.wikipedi...
2e6k93
why do we have shoulderblades?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2e6k93/eli5_why_do_we_have_shoulderblades/
{ "a_id": [ "cjwimcn", "cjwl5o3" ], "score": [ 9, 2 ], "text": [ "It connects the upper arm bone to the collarbone. Many muscles attach to it. The \"why\" for its existence stems from our long evolutionary past.", "The shoulder blade or \"scapula\" is main bone in which the collar bone...
[]
[]
[ [], [] ]
22amv0
the ladyboy culture in thailand
Why is it so popular over there?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/22amv0/eli5_the_ladyboy_culture_in_thailand/
{ "a_id": [ "cgkyogn", "cgl8iwb" ], "score": [ 10, 5 ], "text": [ "Don't think it's exactly 'more popular' that anywhere else... Just more open/visible/tolerated thus attracting more people from abroad interested in that. \n\nSame with 'normal' p4p...its everywhere in the world... Just mor...
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[]
[ [], [] ]
22g2xr
what would happen if someone went in and murdered kim jong-un? would someone else step up, or would the country be a better place?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/22g2xr/eli5_what_would_happen_if_someone_went_in_and/
{ "a_id": [ "cgmg7u3", "cgmg836", "cgmga10", "cgmgg9n", "cgmgkpt", "cgmgujz", "cgmk40t", "cgmnshe", "cgmxml6" ], "score": [ 49, 31, 14, 11, 5, 3, 2, 3, 2 ], "text": [ "Hard to say. Worst case, it leaves a power vacuum that ends up wi...
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[ [], [], [], [], [], [], [ "http://www.reddit.com/r/AskReddit/comments/1d4lhp/what_would_most_likely_happen_hypothetically_if/" ], [], [] ]
axe4ie
how is certain hardware faster when electricity travels at the same speed?
A CPU or GPU is just a bunch of transistor gates in a really tight space so when you fit more transistors in a tighter space, it becomes faster. But wouldn't have no effect because electricity travels at the same speed and adding more transistors would have no effect. So what makes a certain component "faster" and how?...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/axe4ie/eli5_how_is_certain_hardware_faster_when/
{ "a_id": [ "ehsy98v", "ehsyk5r", "eht3xuw" ], "score": [ 3, 6, 2 ], "text": [ "You have to go back to how a switching transistor works: If you saturate the base with electrons, the flow of electrons between the collector and emmittor[sp] will start.\n\nIf you make the size of the ...
[]
[]
[ [], [ "https://en.m.wikipedia.org/wiki/Moore's_law" ], [] ]
61z406
the 11 dimensions of the universe.
So I would say I understand 1-5 but I actually really don't get the first dimension. Or maybe I do but it seems simplistic. Anyways if someone could break down each one as easily as possible. I really haven't looked much into 6-11(just learned that there were 11 because 4 and 5 took a lot to actually grasp a picture of...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/61z406/eli5_the_11_dimensions_of_the_universe/
{ "a_id": [ "dfieluv", "dfienyb", "dfihok2", "dfiir99", "dfim7t8", "dfimcsy", "dfimptx", "dfin70y", "dfinuz6", "dfioleu", "dfip0nr", "dfiq8fu", "dfiqyns", "dfirh2o", "dfiryri", "dfisjmu", "dfisysj", "dfitci4", "dfitpsb", "dfiu83g", "d...
[]
[ "https://youtu.be/dQw4w9WgXcQ" ]
[ [], [], [], [], [], [], [ "https://www.youtube.com/watch?v=0AKTS6Umods" ], [], [], [ "https://www.youtube.com/watch?v=JkxieS-6WuA" ], [], [], [], [], [], [], [], [], [ "https://www.youtube.com/watch?v=M9sbdrPVfOQ" ], [], [], [], [], [], [], [], [...
3m4cz6
how can i always know where the north is?
This may sound like a weird question but since as long as I can remember I've always been able to know where the north is. Without looking I just "feel" it. I can take the train or the car to an unknown city, go in a hotel room and I will know where the north is. I check with a compass on my smartphone and I'm right....
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3m4cz6/eli5_how_can_i_always_know_where_the_north_is/
{ "a_id": [ "cvbvsb8" ], "score": [ 2 ], "text": [ "They could always make a B-Movie super hero flick about you. It would be called \"NORTHMAN! I CAN TELL YOU WHERE THE POLAR BEARS ARE!!!\"" ] }
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[ [] ]
6okfmf
if it's the amps that kills and not the volts, why are signs read" danger high voltage" and not "danger high amps"
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6okfmf/eli5if_its_the_amps_that_kills_and_not_the_volts/
{ "a_id": [ "dki19tk", "dki22xb", "dki46vm", "dki57g7", "dki6hzz" ], "score": [ 14, 10, 2, 2, 2 ], "text": [ "Because the voltage is what drives the current, and the voltage is likely a \"fixed\" value that will drive current through any load (i.e. Your body). The p...
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[]
[ [], [], [], [ "https://en.wikipedia.org/wiki/Paschen%27s_law#Long_gaps" ], [] ]
1vq3zn
why are certain television actors constantly listed as having a guest role, but have a major role in the series?
The best example I can give is how Marcia Wallace appeared in The Simpsons as Edna Krabappel 179 times, but was still credited as a guest star in every episode.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1vq3zn/eli5_why_are_certain_television_actors_constantly/
{ "a_id": [ "ceuqt5v", "ceusjk5" ], "score": [ 3, 3 ], "text": [ "I assume because they aren't strictly speaking a regular character, or they don't show up every episode. Seems to have something to do with their contracts.", "Typically it's contractual. If the actor isn't obligated to ...
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[ [], [] ]
728mhm
what makes windows have the best gaming support, when macs and linuxes do not?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/728mhm/eli5_what_makes_windows_have_the_best_gaming/
{ "a_id": [ "dngmozm", "dngmz9i", "dngw6mo" ], "score": [ 5, 5, 5 ], "text": [ "Windows is the computer operating system with the larges installation base so it is naturally that games are primary developed for windows and mac, linux in second case.\n\nThe support for games are goo...
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[ [], [], [] ]
y4b6t
kim il sung's "juche idea"
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/y4b6t/eli5_kim_il_sungs_juche_idea/
{ "a_id": [ "c5sa23l" ], "score": [ 4 ], "text": [ "Juche is at its core \"Self Reliance\" which urges people of the DPRK to use the resources of their country and their people to become prosperous without relying on or being influenced by others. To retain these resources your country needs a st...
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[ [] ]
3v4dti
with people constantly giving billions to charity & with zuckerberg announcing their donation of ~$45bn why aren't charities achieving their goals?
For example, cancer research charities are receiving so much money everyday but we don't hear about what progress was made as a result of the massive amounts of money they receive. Call me ambitious but i'd expect cures to be coming out left right and centre with the amount of investment that goes into these things. ...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3v4dti/eli5_with_people_constantly_giving_billions_to/
{ "a_id": [ "cxk7wnj", "cxk7y3q", "cxk7ygp", "cxkddd7" ], "score": [ 5, 2, 4, 3 ], "text": [ "Cancer isn't one disease, and no one treatment will work for every type of cancer no even for every person with the same type of cancer. It's vastly complex and will never be solve...
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[]
[ [], [], [], [] ]
8o4yip
especially in the winter when there's snow on the ground, why does everything have a blue hue to it just before sunrise and sunset?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8o4yip/eli5_especially_in_the_winter_when_theres_snow_on/
{ "a_id": [ "e00sb9n", "e00sh3e", "e00tbxu", "e00vuib", "e0102sz", "e01als7", "e01gb5x", "e024ex5" ], "score": [ 4, 60, 1211, 1152, 5, 15, 3, 2 ], "text": [ "Blue travels at the shortest wavelength and is scattered the most, which is why the ...
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[ [], [], [], [], [], [], [], [] ]
770gw0
mao zedong massacred more people than hitler & stalin **combined** but rather than being condemned he is praised, how come?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/770gw0/eli5mao_zedong_massacred_more_people_than_hitler/
{ "a_id": [ "doi2e1y", "doi2p3i", "doi4js7" ], "score": [ 11, 6, 2 ], "text": [ "I'm surprised that you would say he is praised. Even the communist party in china rejects Maoism. ", "I think that a lot of people in Western countries don't have a lot of knowledge about Chinese h...
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[]
[ [], [], [] ]
2h5wfm
how oil prices have been low since june 2014
After 2003, oil prices have been steadily rising.^[1](_URL_2_) ^[2](_URL_1_). But right now, after ISIS started becoming stronger and went on the blitz through East Syria and West Iraq, why aren't the prices rising? [This NPR story](_URL_4_) seems to boil it down to supply and demand, which is looking absurd to...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2h5wfm/eli5_how_oil_prices_have_been_low_since_june_2014/
{ "a_id": [ "ckpuboz", "ckpunqc", "ckpvk8u" ], "score": [ 9, 6, 3 ], "text": [ "You can tell how much excess supply is in North America by looking at the spread between two benchmarks, West Texas Intermediate and Brent crude. Big spread equals excess supply in n america. Hence the ...
[]
[ "http://en.wikipedia.org/wiki/1973_oil_crisis", "http://upload.wikimedia.org/wikipedia/commons/a/a9/Crude_oil_prices_in_dollar_and_euro.png", "http://upload.wikimedia.org/wikipedia/commons/c/c7/Crude_oil_price_WTI_EIA_since_2000.svg", "http://www.bloomberg.com/image/izvCf9SGKKi4.jpg", "http://www.npr.org/20...
[ [], [], [ "http://www.eia.gov/countries/country-data.cfm?fips=US#pet", "http://www.eia.gov/countries/country-data.cfm?fips=IZ#pet" ] ]
2dsupr
why does it seem like there are more single men than single women?
Assuming there are about the same number of heterosexual men and women, and that every relationship has one of each, why does it *seem* like women have choices between many different men who are competing with each other? And why are there more men who would like to be in relationships but aren't? I'm a man so I'm pe...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2dsupr/eli5_why_does_it_seem_like_there_are_more_single/
{ "a_id": [ "cjsrpbc", "cjssjq8", "cjssqvd", "cjsvt4n", "cjsw6oi", "cjswldq", "cjsx2hg", "cjsx5tl", "cjsxc4g", "cjsy60g", "cjsz2pi", "cjsz77u", "cjt1bz2", "cjt3euk", "cjt3ygx", "cjt4ee5", "cjt4gp8", "cjt6tig", "cjt9xb3", "cjtmos5" ], ...
[]
[]
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3ygkuc
why are there so few horror television shows?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3ygkuc/eli5_why_are_there_so_few_horror_television_shows/
{ "a_id": [ "cydb8hh" ], "score": [ 3 ], "text": [ "I guess it's hard to compete with the News! \n\nBut generally speaking, as someone who works in visual effects for film and telly, a lot of it has to do with getting things past the ratings advisors. Starz! tends to be one of those network carri...
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[ [] ]
7h21aq
from a practical, material viewpoint, what could an average person with no special skills or available resources except time do make the world a better place for everyone to live in?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7h21aq/eli5_from_a_practical_material_viewpoint_what/
{ "a_id": [ "dqni23q", "dqnic8g", "dqnlmxy" ], "score": [ 3, 3, 3 ], "text": [ "A better place for everyone is a bit difficult, but a better place for some is easy. Plenty of volunteer positions everywhere that won't need a lot of skill. If you really want to share the wealth thoug...
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[]
[ [], [], [] ]
60yk92
- what happens when your fever breaks?
My daughter recently had a fever. When it broke she was covered in sweat. It got me to wondering what happens to your body when a fever breaks. Obviously the sweat is your body saying "go ahead and cool down" but what else is happening?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/60yk92/eli5_what_happens_when_your_fever_breaks/
{ "a_id": [ "dfac5kc" ], "score": [ 5 ], "text": [ "Language sucks. Typically the term \"break\" here means the fever goes away. If your fever breaks, then you no longer have a fever. On the other hand, if you \"break-out\" in hives or \"break-out in sweat, that means you START having hives or...
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[ [] ]
1j99z5
why was there such a stigma surrounding masturbation in many ancient (and current) societies?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1j99z5/eli5_why_was_there_such_a_stigma_surrounding/
{ "a_id": [ "cbce20r" ], "score": [ 6 ], "text": [ "Sex is usually considered a sacred act, as it is is required to make new people. This is why sex is usually promoted as a \"wait until marriage\" kind of thing, such as to promote the creation of families and hence continue the human species. Sin...
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5u6vpf
how large could an alien be? theoretical science/biology question.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5u6vpf/eli5_how_large_could_an_alien_be_theoretical/
{ "a_id": [ "ddrrotb", "ddrscoe" ], "score": [ 2, 2 ], "text": [ "theoretically there doesn't seem to be a limit to how big a body can be. \nBut a lifeform would also need an enviroment in which it could live, so it would need to fit in any given atmosphere of a life supporting planet.\n\n...
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[ [], [ "https://en.wikipedia.org/wiki/Meganeura", "https://www.ncbi.nlm.nih.gov/books/NBK218080/", "http://www.bbc.co.uk/earth/story/20141114-the-biggest-organism-in-the-world" ] ]
abxhln
different regions of american barbecue?
Can anyone explain how Texas BBQ is different from KC or Carolina BBQ? And any other major regions I’m missing?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/abxhln/eli5_different_regions_of_american_barbecue/
{ "a_id": [ "ed3qcu7", "ed3t3yy" ], "score": [ 16, 8 ], "text": [ "Carolina BBQ is pork and (to a far lesser extent) chicken. It comes in a variety of styles, but perhaps the most famous is Eastern Carolina, which has a thin, vinegar-based pepper sauce that can act either as a mop (applie...
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3fbmjm
why can't we harness the ocean for energy?
I recently went to the California coast and the waves on the shore were so powerful, they would knock you off your feet. The amount of energy in these waves is staggering. Why aren't we harnessing more of it for energy?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3fbmjm/eli5why_cant_we_harness_the_ocean_for_energy/
{ "a_id": [ "ctn3s9d", "ctn3ua5" ], "score": [ 4, 6 ], "text": [ "because \n\n1. waves don't happen all the time.\n2. waves don't happen at the same location.\n3. there's no way to control the power output either.\n4. it's expensive to build something to harness this energy.\n5. becau...
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[ [], [ "https://en.wikipedia.org/wiki/Tidal_power" ] ]
df5vz2
how can $1 usd have more buying power in other countries than in the us?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/df5vz2/eli5_how_can_1_usd_have_more_buying_power_in/
{ "a_id": [ "f313k62", "f313neq", "f313wm3" ], "score": [ 5, 9, 6 ], "text": [ "1) The cost of labor. Most countries in the world have a lower standard of living than America, so $1 can buy a lot more in services, and also it means less overhead on products that are sold.\n\n2) Ta...
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[ [], [], [] ]
3640s8
with public water does it really matter if i conserve water at the sink and shower faucet? won't it just re-enter the water supply?
My wife and friends are all about getting low flow shower heads and not letting the water run too long. Other than the few dollars I might save on my water bill, does it really matter environmentally? The water will just re-enter the public water system with no loss. I don't see how it's environmentally beneficial t...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3640s8/eli5_with_public_water_does_it_really_matter_if_i/
{ "a_id": [ "craimq8", "crajwz0" ], "score": [ 6, 3 ], "text": [ "Regardless of if the water was used or just put straight back down the drain, it undergoes the same filtration and decontamination process as \"dirty\" water, which requires time, energy, and money.", "It doesn't really ...
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[ [], [ "http://slatestarcodex.com/2015/05/11/california-water-you-doing/" ] ]
86sflu
sneezing under the sun
Why are our noses suddenly triggered and we end up sneezing when we move from a cold to a hot place (e.g. from an air-conditioned room to the sunny outdoors)?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/86sflu/eli5_sneezing_under_the_sun/
{ "a_id": [ "dw7qiqn", "dw7xt3x" ], "score": [ 3, 2 ], "text": [ "I’m no expert, but I have experienced this enough that I did a boatload of research a few years ago. Short answer: we don’t know, but it’s something about the sudden temperature change when you go under the sun. It’s actuall...
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6dbbrl
why does rabies virus cause photophobia in people but in raccoons it makes them come out during the day?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6dbbrl/eli5_why_does_rabies_virus_cause_photophobia_in/
{ "a_id": [ "di1sazg" ], "score": [ 28 ], "text": [ "The rabies virus is pretty interesting. The viral particles take hold in nervous tissue and then start a slow ascension from peripheral nerves to central nervous system, the brain and then finally down through some of the nerves that innervate f...
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6wzi3t
why is marijuana so demonized, but not other stimulants that impair people to drive just as much, such as alcohol, antidepressants, etc?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6wzi3t/eli5_why_is_marijuana_so_demonized_but_not_other/
{ "a_id": [ "dmbw0f5", "dmbw98e", "dmc8fmw" ], "score": [ 10, 15, 2 ], "text": [ "Marijuana and alcohol are not stimulants.\n\nBut to answer your question: this policy was aggressively pushed in the USA, especially by the Nixon administration, because African Americans at the time ...
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[ [], [ "http://www.cnn.com/2016/03/23/politics/john-ehrlichman-richard-nixon-drug-war-blacks-hippie/index.html" ], [ "http://www.ozarkia.net/bill/pot/blunderof37.html" ] ]
anerav
how do movie directors direct fighting scenes?
I just can't wrap my head around this, like do the movie directors just write " *character a punches character b with right hand then immediately followed by right kick* " in the script or what
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/anerav/eli5_how_do_movie_directors_direct_fighting_scenes/
{ "a_id": [ "efsqzdo" ], "score": [ 2 ], "text": [ "Scenes like this are choreographed, just like a music video or a dance. A choreographer works with the director, cinematographer, stunt coordinator, and script writer, and various prop and set masters (or location managers) to work out how the sc...
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1zdmtu
how does russia have so much political clout when it's gdp is lower than the uk, germany and france.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1zdmtu/eli5_how_does_russia_have_so_much_political_clout/
{ "a_id": [ "cfspzck", "cfspzxj", "cfsq1q5", "cfsq51w" ], "score": [ 4, 2, 2, 4 ], "text": [ "It's still effectively a military superpower, with a massive army, a blue water navy (sort of), and a huge number of strategic nuckear weapons, and is also a permanent veto wieldin...
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1nbglx
after i swallow food, how does the body "grab" what it needs?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1nbglx/eli5_after_i_swallow_food_how_does_the_body_grab/
{ "a_id": [ "cch2hnw", "cch2lpn" ], "score": [ 2, 5 ], "text": [ "This could might help you understand.\n\n_URL_0_", "It dissolves it. \nBasically, when you chew food it mixes up with the saliva and transforms into a paste. This paste is then mixed up with different acids in the stomac...
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[ [ "https://www.youtube.com/watch?v=s06XzaKqELk" ], [] ]
21i5gu
with all the medical advances, why can't they just develop a ultra strong tooth coating to prevent cavities and tooth wear?
Hi Reddit! Why hasn't anyone developed a ultra strong tooth coating to prevent cavities? Is it purely a dollars and cents thing? If a something was developed that would drastically cut down on tooth decay clearly Dentists would be loosing money... but is that the only reason something like this does not exist? ELI5!
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/21i5gu/eli5_with_all_the_medical_advances_why_cant_they/
{ "a_id": [ "cgd8anc", "cgd8ciq", "cgd8q4y", "cgda3pi", "cgdbyw0", "cgdce0u", "cgdcnz3", "cgdfbni", "cgdi2ok", "cgdiawa", "cgdj50p", "cgdj58b", "cgdk9fl", "cgdkaoc", "cgdkbs7", "cgdl62w", "cgdl77h", "cgdlond", "cgdloo8", "cgdmxlj", "c...
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[ [], [], [ "http://en.m.wikipedia.org/wiki/Dental_sealant" ], [], [], [ "http://www.dentalcare.com/images/en-US/education/ce410/fig04.jpg", "https://www.youtube.com/watch?v=Jtwgy57CFeo", "http://www.ncbi.nlm.nih.gov/pubmed/2179327" ], [], [], [], [], [], [], [], [ "h...
1za2tq
how does oculus rift work?
What kind of technology it relies on?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1za2tq/how_does_oculus_rift_work/
{ "a_id": [ "cfru7fm" ], "score": [ 3 ], "text": [ "The basic explanation of it is that it has two screens; one for each eye. It shows a 3D image by playing a slightly different image on each screen; the image for the left eye is slightly to the left of the one for the right eye, so it works just ...
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es85k5
i keep having this dry feeling at the back of my throat but it’s not a cold
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/es85k5/eli5_i_keep_having_this_dry_feeling_at_the_back/
{ "a_id": [ "ff8fovn", "ff8fw5i" ], "score": [ 3, 2 ], "text": [ "Not a doctor, but you're probably sleeping with your mouth open. Clear sinuses, electrolytes, and cough drops might help", "Well, gonna say that that I don't think you should be using this sub for a medical question. ...
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jalw5
explain finnegans wake to me li5
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/jalw5/explain_finnegans_wake_to_me_li5/
{ "a_id": [ "c2aiq5r", "c2aiq5r" ], "score": [ 6, 6 ], "text": [ "For those of you just joining us: Finnegans Wake is a book by James Joyce. James Joyce also wrote a book called Ulysses.\n\n(In case you read my recent post about The Waste Land, we get to talk about aesthetics again, so buc...
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[ [], [] ]
97e39y
why do you refrigerate eggs you eat, but keep fertilized eggs warm to make them hatch?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/97e39y/eli5_why_do_you_refrigerate_eggs_you_eat_but_keep/
{ "a_id": [ "e47i7ko" ], "score": [ 2 ], "text": [ "Refridgerating eggs preserves them as food.\n\nIncubating eggs gives the embryo the proper temperature it requires to grow." ] }
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3sgwr6
why aren't the united states and russia allies? what are the disagreements/reasons?
If we can be amicable "friends" with communist regimes like China, etc, why are at odds with Russia? At the risk of sounding completely naive, what stands in the way of mending the relationship?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3sgwr6/eli5_why_arent_the_united_states_and_russia/
{ "a_id": [ "cwx4lkn", "cwx61qp", "cwx62po", "cwxdecc", "cwxgvi6", "cwxmn98" ], "score": [ 15, 21, 292, 4, 2, 5 ], "text": [ "I think the root of this is in the fact that Russia and the US both have huge nuclear armaments, and the historical flexing of both ...
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w873f
airplane turbulence and why i shouldn't be terrified of it (my mental health thanks you)
So there's nothing I love more than exploring the globe, except for one thing - I'm terrified of flying. I honestly can't remember the last time I slept on a flight since I usually just focus on not hyperventilating the whole time. Sometimes I get so stressed out I think my brain just shuts down and I conk out for a fe...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/w873f/eli5_airplane_turbulence_and_why_i_shouldnt_be/
{ "a_id": [ "c5b4ch9", "c5b4ebc", "c5b4fs6", "c5b4kdb", "c5bfe4s" ], "score": [ 3, 8, 6, 2, 2 ], "text": [ "Turbulence is caused by air movements, winds, air coming over mountains, updrafts/downdrafts caused by storms, etc. It's completely, 100% normal. Every flight...
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[ [], [ "http://www.youtube.com/watch?v=Ai2HmvAXcU0" ], [ "http://www.youtube.com/watch?v=GzvA9tHNTyg" ], [], [] ]
1hdkwa
how did the first human to learn two languages (assuming s/he did) do it? how could two peoples who cant communicate with language exchange languages?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1hdkwa/eli5_how_did_the_first_human_to_learn_two/
{ "a_id": [ "catac9a", "catc5xp" ], "score": [ 8, 13 ], "text": [ "The way language evolves and does not immediately occur in a binary state, it's likely the first 'bilingual' person was akin to someone who speaks English like an Aussie but can understand someone from the southern US.\n\nP...
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28jfs8
why do we place such a high value on maintaining human life?
We are all aware that everyone (and every living thing) dies. So why don't we just agree to allow death to run its course? Why do we spend so much money and energy on extending human life when in the end we have really accomplished nothing? Why do so many cultures practice some form of death worship like we do here in ...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/28jfs8/eli5_why_do_we_place_such_a_high_value_on/
{ "a_id": [ "cibi072", "cibi1bv" ], "score": [ 7, 2 ], "text": [ "That's a complicated philosophical issue with no correct answer, not really something for ELI5.", "Empathy, you want to live, so you want others to live. You know what it feels like to lose a loved one, and don't want ot...
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2jqsh2
how did people find lattitude and longitude a long time ago before gps and other systems that we have today?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2jqsh2/eli5_how_did_people_find_lattitude_and_longitude/
{ "a_id": [ "cle886u", "cle8f33" ], "score": [ 2, 5 ], "text": [ "Sailors used tools like sextants, calendars, stars, and compasses to orient themselves.", "Latitude is pretty easy. You can compare the angle between the sun and the horizon at noon against a record of what it should be ...
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1kalod
when you lay on your arm and it falls asleep because you cut off the circulation, why does the blood not get backed up in your arteries/veins?
I'd imagine it like piping where the pressure would keep building as more and more pumps occur? But I've woken up to a completely numb arm after sleeping on it and everythings fine, is the circulation not completely cyclical?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1kalod/eli5_when_you_lay_on_your_arm_and_it_falls_asleep/
{ "a_id": [ "cbmzmzv" ], "score": [ 2 ], "text": [ "Common misconception, but it goes numb because you've put pressure on a nerve or nerves so it stops working properly, not because of lack of circulation. \n\nThis is sometimes called \"pinched nerve\".\nAnd when nerve signals get mangled our brai...
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[ [ "http://www.ninds.nih.gov/disorders/pinchednerve/pinchednerve.htm" ] ]
97i8yg
how do people who crack games get said games to crack ?
How do people who crack games get the games before they crack them? How do they get the source files on their pcs so they can crack them ?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/97i8yg/eli5_how_do_people_who_crack_games_get_said_games/
{ "a_id": [ "e48crlk", "e48d9e3", "e48e5bw", "e48friv", "e48g8rv", "e48g9qk", "e48gdqq", "e48i38v", "e48iaw5", "e48j2tu", "e48naba", "e48phon", "e48pkxm", "e48qj6s", "e48rnhm", "e48w8fx", "e48xm5k", "e4919dx", "e4921ez", "e492ozt", "e...
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425em3
what physically causes performance loss on electronics when heat is applied?
What physically happens to cpu's and gpu's that causes it to lose performance? How does the electronic parts overheating translate to dropped frames or sluggish response?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/425em3/eli5_what_physically_causes_performance_loss_on/
{ "a_id": [ "cz7ozgn" ], "score": [ 3 ], "text": [ "When metal is heated it expands pushing the electrons further apart. Conversely when it's colder it shrinks and puts them closer together. As electricity is merely the flow of electrons, they flow more efficiently closer together." ] }
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boeobr
when gas becomes plasma, what is happening to the molecules?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/boeobr/eli5_when_gas_becomes_plasma_what_is_happening_to/
{ "a_id": [ "enh35io" ], "score": [ 2 ], "text": [ "The electrons become so energetic that they strip themselves away from the nuclei, essentially breaking first molecules and then atoms apart and becoming a soup of atomic nuclei and loose electrons." ] }
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5id4ou
what part of cancer makes it so hard to treat/cure?
I've heard things like "its a disease of the cell and therefore is hard to treat" what about it being a disease of the cell that makes it so hard to treat?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5id4ou/eli5_what_part_of_cancer_makes_it_so_hard_to/
{ "a_id": [ "db781m6", "db78eef" ], "score": [ 11, 2 ], "text": [ "The disease is you. It is your own cells mutating. That means there isn't a foreign contaminant (like a virus, bacteria or parasite). This means it is not only really hard for your immune system to notice it (as your immune...
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6gcmga
the frank dodd act.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6gcmga/eli5_the_frank_dodd_act/
{ "a_id": [ "dip9xj1", "dipbwfp" ], "score": [ 3, 7 ], "text": [ "Not to shame you because I don't know much about it either, but it's Dodd-Frank because it was named after the co-sponsors of the bill. ", "minor, but it's Dodd-Frank.\n\nIt's a big bill, so i'm only touching on the bigg...
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9bw8lu
do animals such as bison or rams experience cte like humans do from repeated head trauma?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9bw8lu/eli5_do_animals_such_as_bison_or_rams_experience/
{ "a_id": [ "e569bfz" ], "score": [ 3 ], "text": [ "If I remember right some animals actually have automated systems that can increase the blood volume around there brain. so that there is more present when they butt heads. It acts like an additional protection. There was actually a studying being...
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