q_id stringlengths 5 6 | title stringlengths 3 296 | selftext stringlengths 0 34k | document stringclasses 1
value | subreddit stringclasses 1
value | url stringlengths 4 110 | answers dict | title_urls list | selftext_urls list | answers_urls list |
|---|---|---|---|---|---|---|---|---|---|
2tw19s | why when i have employer-sponsored insurance do i still have to pay for doctors and hospitals? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2tw19s/eli5_why_when_i_have_employersponsored_insurance/ | {
"a_id": [
"co2ti0t"
],
"score": [
3
],
"text": [
"Insurance doesn't cover 100% of coverage. You have deductibles & co-pays to prevent people from abusing the system & running into an ER every time they get a cold.\n\nMaking people pay a few bucks to use the service stops them from using it ... | [] | [] | [
[]
] | ||
8k0a1p | - how common does a side effect have to be for a medication commercial to include it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8k0a1p/eli5_how_common_does_a_side_effect_have_to_be_for/ | {
"a_id": [
"dz3vc0s",
"dz3w926"
],
"score": [
12,
2
],
"text": [
"Test studies on humans are very very expensive, and any symptom experienced by any of the humans tested is listed as a possible side effect. Time and statistics lets your doctor know which of them you actually have to worry... | [] | [] | [
[],
[]
] | ||
2jwmd3 | what were stephen hawkings greatest discoveries? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2jwmd3/eli5_what_were_stephen_hawkings_greatest/ | {
"a_id": [
"clfrv8c"
],
"score": [
103
],
"text": [
"\"Were?\" This made me think, 'Oh shit, he's dead,' and had to go check.\n\nHis branch is theoretical physics, which isn't really about 'discovery' as such. He and other theoretical physicists are all about bringing experimental and observed da... | [] | [] | [
[]
] | ||
ed0tt9 | why do many different languages that seem to not be connected share a rolled "r" | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ed0tt9/eli5_why_do_many_different_languages_that_seem_to/ | {
"a_id": [
"fbex8eh",
"fbex9l1",
"fbexf29"
],
"score": [
2,
3,
4
],
"text": [
"Because it is a readily reproducible sound that can be made by most humans.\n\nI suppose another topic could be that the trill was a part of some proto-languages so some descendent languages inherited i... | [] | [] | [
[],
[],
[]
] | ||
50ba4i | good and bad cholesterol. | What makes good cholesterol different from bad cholesterol? How do they work within the body? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/50ba4i/eli5_good_and_bad_cholesterol/ | {
"a_id": [
"d72m4xd",
"d72os9s"
],
"score": [
4,
6
],
"text": [
"There is no good an bad cholesterol. There is just cholesterol and is an animal compound with the role in making the body as is cellulose in plants. It is produced by the liver from meat and fat you consume as well as from s... | [] | [] | [
[],
[]
] | |
r64fw | how do movies/tv shows acquire rights for songs? | This is something I've always wondered. How are they allowed to play a famous song on a movie if its copyrighted? What exactly is the process? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/r64fw/how_do_moviestv_shows_acquire_rights_for_songs/ | {
"a_id": [
"c43ebop"
],
"score": [
2
],
"text": [
"Basically someone owns the song, maybe the writer, or the studio, or the artist, or it could be someone who just happened to buy the rights to the song.\n\nRegardless, you go to the guy who owns the song and you ask them for permission to use it,... | [] | [] | [
[]
] | |
4ddaps | what is 'shale oil', and how is it different than other types of oil? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4ddaps/eli5what_is_shale_oil_and_how_is_it_different/ | {
"a_id": [
"d1pw10n"
],
"score": [
9
],
"text": [
"Oil that's found today is found in certain types of special rock formations. It's easy to get oil out of sand because oil and sand are still a liquid so a filter separates them. However, some oil is in shale which is more like a rock sponge. U... | [] | [] | [
[]
] | ||
1paen3 | how come the united states has not tried to take over the world militarily, when all previous superpowers attempted to? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1paen3/eli5_how_come_the_united_states_has_not_tried_to/ | {
"a_id": [
"cd0csd0",
"cd0dv13",
"cd0eb2j"
],
"score": [
5,
3,
2
],
"text": [
"Far more profitable to exploit their cheap labor than take them over. Plus we'd piss off the global community, which would potentially lead to a large coalition of armies launching attacks on US soil. "... | [] | [] | [
[],
[],
[]
] | ||
2olgu8 | in english, why do people say "i used to do something" to indicate an action that had continued to happen but stopped; the past tense of "use" is used to indicate a past action, but shouldn't the verb indicate a past tense of using? | Grammar Question | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2olgu8/eli5_in_english_why_do_people_say_i_used_to_do/ | {
"a_id": [
"cmoab56"
],
"score": [
2
],
"text": [
"I'm not 100% sure what you're asking, but it's simply another definition of the word \"use\" - to do something habitually. Today you only find it in the past tense, but you'll find it done in the present tense if you go back far enough, like in S... | [] | [] | [
[]
] | |
38zyrq | why does baking soda have seemingly endless uses? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/38zyrq/eli5_why_does_baking_soda_have_seemingly_endless/ | {
"a_id": [
"crz7qes"
],
"score": [
2
],
"text": [
"Baking soda, or sodium bicarbonate, is useful because it's a weak base (in chemistry terms) that won't harm a human being. Whenever we need a weak basic chemical, it's easy to turn to baking soda. Furthermore, it's also reliably found in most hom... | [] | [] | [
[]
] | ||
3i4crc | what would happen if co2 levels became "too low" in the atmosphere? | The increase of CO2 levels and their contribution to global warming and their effects are widely known ideas. But what would happen if CO2 levels decrease beyond what would be considered as "normal" threshold | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3i4crc/eli5_what_would_happen_if_co2_levels_became_too/ | {
"a_id": [
"cud6bmn",
"cud6kh2"
],
"score": [
3,
2
],
"text": [
"CO2 is a greenhouse gas which traps heat from the sun within the earth's atmosphere. If CO2 levels decreased enough, more heat would escape into space, thus the world would start to cool. If it weren't for CO2, the earth w... | [] | [] | [
[],
[
"http://arxiv.org/ftp/arxiv/papers/0912/0912.2482.pdf"
]
] | |
dep2ib | can food really affect human emotions, like being energetic or dull? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dep2ib/eli5_can_food_really_affect_human_emotions_like/ | {
"a_id": [
"f2xo5dn"
],
"score": [
2
],
"text": [
"Energetic and dull aren’t emotions really but does food affect energy levels and mood in general? It absolutely does! Too much of simple and refined carbs is like taking a shot of glucose. While it gives you a momentary burst of energy it eventua... | [] | [] | [
[]
] | ||
4biwtz | how does reserve indicator in the gas tank exactly work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4biwtz/eli5_how_does_reserve_indicator_in_the_gas_tank/ | {
"a_id": [
"d19k6lf"
],
"score": [
2
],
"text": [
"There is a lever inside your gas tank, with a float attached to one end. As you use up gas, the level goes down, the float goes down with it, and the angle of the lever is used to tell your dashboard indicator how much is left. "
]
} | [] | [] | [
[]
] | ||
vgwr8 | kim dotcom/ megaupload case. how the us was able to go after him, and whether or not he will win. | I can grok the basics of this whole thing, but the majority of it eludes me. Someone explain it to me in a way that can help me understand what exactly is going down? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/vgwr8/eli5_kim_dotcom_megaupload_case_how_the_us_was/ | {
"a_id": [
"c54godr"
],
"score": [
4
],
"text": [
"New Zealand has reciprocal extradition agreements with many countries; you send back murder suspects for us to put on trial here, and we'll do the same for you.\n\nThe US don't have to prove guilt, just prove they want to try him in the US. That... | [] | [] | [
[]
] | |
6dz3n0 | how does a horror movie scare everyone in general, when each people are afraid of different things? | Not everyone is scared of ghosts or zombies | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6dz3n0/eli5how_does_a_horror_movie_scare_everyone_in/ | {
"a_id": [
"di6fvlc",
"di6fysg"
],
"score": [
3,
2
],
"text": [
" > Not everyone is scared of ghosts or zombies\n\nYou're right. And the people who aren't scared of zombies don't feel (as much) horror from them as people who are terrified of zombies.\n\nBut *everyone* is afraid of being... | [] | [] | [
[],
[]
] | |
ci3ubk | why can youtubers like scottthewoz use music that is licensed in their outros? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ci3ubk/eli5_why_can_youtubers_like_scottthewoz_use_music/ | {
"a_id": [
"ev19xyh"
],
"score": [
3
],
"text": [
"Found another more precise answer\n\nNowadays, most professional composers resort to AdRev or similar services to protect their copyright. Don’t let this discourage you. AdRev system allows the composers to easily clear the claims and even to whi... | [] | [] | [
[]
] | ||
4wdsb2 | there's been a lot of talk about a certain presidential candidate having his "finger" on the "nuclear weapons" button. is it really that simple? can the president just order a nuclear strike? what is the protocol? | It seems like wayyy too much power for one person to have the ability to just wake up in the middle of the night and bomb whatever country for a laugh, if they felt like it. Is there a system of checks and balances? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4wdsb2/eli5theres_been_a_lot_of_talk_about_a_certain/ | {
"a_id": [
"d6670r2",
"d6689z1",
"d66dpr3"
],
"score": [
12,
4,
7
],
"text": [
"According to this Wikipedia article the Secretary of Defense has to agree also. If they don't the President can fire them and pick another one til they get someone who does.\n\n > While the President d... | [] | [] | [
[
"https://en.m.wikipedia.org/wiki/National_Command_Authority"
],
[],
[]
] | |
76hwi3 | why do our minds wander off so much and is this a bad thing? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/76hwi3/eli5_why_do_our_minds_wander_off_so_much_and_is/ | {
"a_id": [
"doeheqz"
],
"score": [
3
],
"text": [
"Being able to focus on one task for a long time is a skill you have to learn and practise. This is just like how lifting heavy things, running fast, remembering things better, reading faster, etc. can all be trained. \n\nIt's only bad if it's ham... | [] | [] | [
[]
] | ||
4doqj2 | if hiv has a 0.11 chance (if circumcised) and 0.62% chance (if not circumcised) of being contracted through sex, why is it such a massive epidemic (at least in western nations)? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4doqj2/eli5_if_hiv_has_a_011_chance_if_circumcised_and/ | {
"a_id": [
"d1sxed0",
"d1sxro4",
"d1szhnk",
"d1t0lxi",
"d1t1kgp"
],
"score": [
22,
6,
6,
5,
13
],
"text": [
"Because some people have sex a large number of times.\n\nAlso, because some people use intravenous drugs and reuse the unsterilized needles.",
"Because ... | [] | [] | [
[],
[],
[
"https://en.wikipedia.org/wiki/Prevalence_of_circumcision",
"https://en.wikipedia.org/wiki/Circumcision_and_HIV"
],
[],
[]
] | ||
3lasks | why do some people have bad memories flood in while trying to fall asleep, and can't fall asleep? and why do others dream in the stage between asleep and awake? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3lasks/eli5_why_do_some_people_have_bad_memories_flood/ | {
"a_id": [
"cv523s0"
],
"score": [
2
],
"text": [
"Not sure about the first question, but the second part is something that's always intrigued me - [Hypnagogia](_URL_0_) is the transitional between consciousness and sleep. It can come with all manners of fun phenomenon, from lucid dreaming, hall... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Hypnagogia"
]
] | ||
bk8kmj | why is witnessing violence so much more traumatizing than hearing it or reading about it? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bk8kmj/eli5_why_is_witnessing_violence_so_much_more/ | {
"a_id": [
"emeqpe3",
"emergbo"
],
"score": [
9,
13
],
"text": [
"Because you're actually experiencing the visceral, real effect of it. Kinda like why fireworks and roller coasters are meh on video but people will wait for hours irl",
"Imagination is great, but it isn't primal.\n\nIma... | [] | [] | [
[],
[]
] | |
qz7jl | timeshares | So, are they scams, or can savvy people actually benefit from them? Who is actually making profit? Also, what are timeshare presentations exactly?
Basically, what is the deal with those timeshares? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/qz7jl/eli5_timeshares/ | {
"a_id": [
"c41mdfi",
"c41na01",
"c41o0fc",
"c41o2an",
"c41o3if",
"c41ow1o",
"c41ww3j"
],
"score": [
9,
19,
2,
2,
4,
2,
2
],
"text": [
"Timeshares are essentially a property that is owned by several people, where each owner has a specific time each ... | [] | [] | [
[],
[],
[],
[
"http://www.sellmytimesharenow.com/"
],
[],
[],
[]
] | |
1heda6 | so germany is mad about the us spying. what options does it realistically have? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1heda6/eli5_so_germany_is_mad_about_the_us_spying_what/ | {
"a_id": [
"cati8b3",
"catic8j",
"catmjwa"
],
"score": [
11,
6,
3
],
"text": [
"None. But since they've known fully well that the US (and the Brits, and the Russians, etc) have been spying on them now for about the past 75 years, I don't think they are really all that upset about... | [] | [] | [
[],
[],
[]
] | ||
8taxrs | how does einstein's equation explain the big bang? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8taxrs/eli5_how_does_einsteins_equation_explain_the_big/ | {
"a_id": [
"e163n2p",
"e1640r5"
],
"score": [
14,
8
],
"text": [
"It doesn't explain it. Einstein's field equations include a parameter in them called the \"cosmological constant\", which is the energy density of vacuum. Einstein included it in the model because otherwise the universe wou... | [] | [] | [
[],
[]
] | ||
16uvev | (literally): "why are most american pro basketball players black, when most americans are white?" | How would you explain this to a 5-year-old? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/16uvev/eli5_literally_why_are_most_american_pro/ | {
"a_id": [
"c7zkqny",
"c7zobvc"
],
"score": [
13,
3
],
"text": [
"Basketball courts are really common in a lot of cities because they're easy to build and don't take as much work as a park or other kind of playground. And you can play basketball even without a court if you have a hoop and... | [] | [] | [
[],
[]
] | |
2f2eh3 | why do we sometimes see colors when coughing really hard? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2f2eh3/eli5_why_do_we_sometimes_see_colors_when_coughing/ | {
"a_id": [
"ck59qrf",
"ck5d05g",
"ck5emcl",
"ck5f9w6"
],
"score": [
7,
3,
5,
5
],
"text": [
"If you're talking about extremely small and obscure flashes or balls of static when we cough or sneeze, I'd assume that's when we put stress on the eyeball/connection(?) itself. \n... | [] | [] | [
[],
[],
[],
[
"http://vision.about.com/od/sportsvision/f/Seeing_Stars.htm"
]
] | ||
b6y8um | when you're driving on the road whilst lost deep in thought, does the subconscious / muscle memory ensure you're driving properly? looking for an eli5 on this. | As per title, sometimes if I'm deep in thought while driving, I think my subconscious takes over and once I return back to reality, I'm somehow safe and sound as if I was driving normally. What causes this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b6y8um/eli5_when_youre_driving_on_the_road_whilst_lost/ | {
"a_id": [
"ejntzch",
"ejobmm9"
],
"score": [
7,
2
],
"text": [
"I think the best way to think about this is that your brain has multiple parts, and those parts can work on different problems simultaneously. These parts can be physically different regions of your brain or just different ... | [] | [] | [
[],
[]
] | |
44jifj | what is the difference between the german and american healthcare systems? | From what I understand Germany has mandatory insurance like America, yet avoids all of the criticism of the American healthcare system. What's the difference? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/44jifj/eli5_what_is_the_difference_between_the_german/ | {
"a_id": [
"czqswfd",
"czqv5ug"
],
"score": [
7,
5
],
"text": [
"Germany has non-profit \"sickness funds\" that all employed people are automatically registered into. It's paid through by joint employee-employer contributions. The insurance providers cannot make profit off these general p... | [] | [] | [
[],
[]
] | |
5wdj1s | how we accurately accurately map segments of the human brain by sight during surgery. | I got on the topic of brain surgery with my co-workers (RNs). I asked for a simplified version of how, during surgery, we know what area controls what and exactly where these borders in the brain tissue are.
so hypothetically if there was an operable tumor on the part of the brain responsible for sight how would a sur... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5wdj1s/eli5how_we_accurately_accurately_map_segments_of/ | {
"a_id": [
"de98lzu"
],
"score": [
2
],
"text": [
"For starters, here's a map: _URL_0_\n\nThere are several large lobes of the brain, and the folds where they are, for the most part, fairly obvious. We also know what part of each lobe does what job, although the smaller areas of the lobes often d... | [] | [] | [
[
"https://askabiologist.asu.edu/sites/default/files/resources/articles/nervous_journey/brain-regions-areas.gif"
]
] | |
9s9mrz | what are those hissing sounds made by large vehicles? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9s9mrz/eli5_what_are_those_hissing_sounds_made_by_large/ | {
"a_id": [
"e8n80ef",
"e8n8j4p",
"e8nyx9f"
],
"score": [
4,
2,
5
],
"text": [
"You may also be hearing a waste gate on a turbodiesel. Blowing off excess turbo pressure. Does it happen around shifts/during acceleration?",
"Heavy vehicles need to squeeze the brakes very hard, in... | [] | [] | [
[],
[],
[]
] | ||
9dv0ea | from where flies gets all of their energy to fly for a long periods of time without being tired? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9dv0ea/eli5_from_where_flies_gets_all_of_their_energy_to/ | {
"a_id": [
"e5k5154"
],
"score": [
6
],
"text": [
"Flies and many insects are *EXTREMELY* efficient flyers. Also being tiny makes it a lot easier to lift your own weight into the air because of the way mass scales with size."
]
} | [] | [] | [
[]
] | ||
3c3k82 | what is happening when strong mouthwash starts to hurt/burn in your mouth? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3c3k82/eli5_what_is_happening_when_strong_mouthwash/ | {
"a_id": [
"csrwn0e"
],
"score": [
28
],
"text": [
"Mouthwash generally contains alcohol, which causes the burning sensation you're feeling. It's perfectly normal. Mouthwash that contains alcohol (some do not) usually contain about 20-30%."
]
} | [] | [] | [
[]
] | ||
2n08sd | why is it that when we remove "he/she" from a person it becomes "they"? | Why is it that when we remove the gender when referring to a single person, it then becomes plural? Example: "I was talking to a person and she said this." becomes "I was talking to a person and THEY said this."
Is the term "they" both plural and singular? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2n08sd/eli5_why_is_it_that_when_we_remove_heshe_from_a/ | {
"a_id": [
"cm95hub",
"cm966gz",
"cm968fs"
],
"score": [
8,
2,
4
],
"text": [
"The term 'they' is only plural, except for this special case you're talking about. There is no singular third-person pronoun in English that doesn't indicate a gender, other than 'it'. But 'it' has a co... | [] | [] | [
[],
[],
[]
] | |
3udsrr | do arches on bridges serve a significant purpose or are they only for appealing to the eye? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3udsrr/eli5_do_arches_on_bridges_serve_a_significant/ | {
"a_id": [
"cxdzp4z",
"cxeaybg"
],
"score": [
8,
2
],
"text": [
"Arches are one of the most geometrically stable shapes, with the only geometric rivaling it being the triangle. It is for stability, ask any engineer.",
"Ancient Rome were the guys who really pioneered the design. The mo... | [] | [] | [
[],
[]
] | ||
31apro | why is the first lady called the "first" lady? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/31apro/eli5why_is_the_first_lady_called_the_first_lady/ | {
"a_id": [
"cpzuevz",
"cpzx4ov",
"cq00s6o"
],
"score": [
9,
2,
2
],
"text": [
"There was no set title for the wife of the President, and was initially called a variety of things. One of those titles just made up for her was \"First Lady\" and it stuck around.",
"Back before ti... | [] | [] | [
[],
[],
[]
] | ||
16q64k | i recently read that stuff doesn't burn in vacuums... what is a vacuum? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/16q64k/eli5_i_recently_read_that_stuff_doesnt_burn_in/ | {
"a_id": [
"c7yb5na",
"c7yb5vs",
"c7yb695",
"c7yfs0j"
],
"score": [
12,
2,
4,
3
],
"text": [
"A vacuum is where there is no air. Fire needs air (specifically oxygen in the air) in order to burn.",
"Something that has no air (or anything for that matter) in it. And beca... | [] | [] | [
[],
[],
[],
[]
] | ||
2ve9al | what is actually going on when i pop my back? how does this compare/contrast to when i crack my knuckles? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ve9al/eli5_what_is_actually_going_on_when_i_pop_my_back/ | {
"a_id": [
"cogv8nf",
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... | [] | [] | [
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"http://www.caringmedical.com/prolotherapyblog/5-easy-ways-to-determine-if-you-have-spinal-instability/"
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7ewn89 | how were women forcibly sterilized in the us? | Couldn't they just refuse? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7ewn89/eli5_how_were_women_forcibly_sterilized_in_the_us/ | {
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5qz2v3 | why are people uninstalling uber after the protests? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5qz2v3/eli5_why_are_people_uninstalling_uber_after_the/ | {
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"The New York Taxi Workers Alliance asked it's member to protest against Trump's immigration policy by not picking up passengers at JFK airport. Uber though was sending drivers there to capitalise on th... | [] | [] | [
[],
[],
[]
] | ||
7iocf6 | in the chess games between google's alphazero and stockfish 8, why is each game different? why isn't each game just the same every time | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7iocf6/eli5_in_the_chess_games_between_googles_alphazero/ | {
"a_id": [
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"In the evolution of AlphaZero's and other AIs brains, they add a little bit of randomness into it, analogous to how humans and other species have adapted over the years, because some random mutation might facilitate reprod... | [] | [] | [
[],
[
"https://www.reddit.com/r/explainlikeimfive/comments/1ts924/eli5_if_i_let_two_chess_engines_play_each_other/",
"https://www.reddit.com/r/explainlikeimfive/comments/2v719l/eli5_why_a_chess_computer_doesnt_respond_the_same/",
"https://www.reddit.com/r/explainlikeimfive/comments/21qt18/eli5_why_doe... | ||
2kdygs | why do i read stories every few months about researchers developing amazing new battery technology but batteries still suck after so many years? | Thanks everyone for the interesting comments. I learned a lot.
Summary of the answers:
*Current batteries are based on lithium-ion technology which was developed a very long time ago so it is now very mature. Mature technologies won't change that much more or get that much cheaper.
*Li-Ion battery technology has act... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2kdygs/eli5_why_do_i_read_stories_every_few_months_about/ | {
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"c... | [] | [
"http://i.imgur.com/FAbroKn.jpg",
"http://i.imgur.com/NjvUGXh.png",
"http://www.reddit.com/r/explainlikeimfive/comments/2kdygs/eli5_why_do_i_read_stories_every_few_months_about/clkivch"
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7t3yxy | why do humans universally use the same tone to ask a question? are there exceptions? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7t3yxy/eli5_why_do_humans_universally_use_the_same_tone/ | {
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"text": [
"That depends on the language they speak. In some Asian languages, there is no increase in pitch to indicate the words you are speaking as a question.",
"They don't.\n\nYou may ... | [] | [] | [
[],
[],
[],
[]
] | ||
1akvyo | selling song covers | There's lots of artists doing covers of popular songs and selling those on iTunes. Do they have to pay royalties to the original owner of the song or can they somehow skip that? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1akvyo/eli5_selling_song_covers/ | {
"a_id": [
"c8ydeqo"
],
"score": [
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"text": [
"Yes they have to do this and have to give credit to the original artist. \n\nIf an artists uses even a part of a song (called a sample) they have to pay royalties and give credit. Notable example of this is \"Ice Ice Baby\" of Vanilla Ice, in whi... | [] | [] | [
[]
] | |
3i0c0x | why does crickets chirp at night? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3i0c0x/eli5_why_does_crickets_chirp_at_night/ | {
"a_id": [
"cuc6hxt"
],
"score": [
7
],
"text": [
"They try to hide from their most common predators by staying quiet during daytime. And then come out during the night to attract a mate when it's too dark for birds to hunt."
]
} | [] | [] | [
[]
] | ||
1dhd6f | what is a work study (as it applies to fafsa)? how does it work? | I was hanging out with some friends last night and they had mentioned that financial aid award information had been posted. A few of them had qualified for a work study. When asked what a work study is, no one could really give me a good answer so I figured I would ask. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1dhd6f/eli5_what_is_a_work_study_as_it_applies_to_fafsa/ | {
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"text": [
"On a college campus, certain jobs are reserved for people who need the money to pay for college. Work study is just the \"I need the money to pay for college\... | [] | [] | [
[],
[],
[],
[],
[]
] | |
1qn959 | why do human couples hold hands? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1qn959/eli5_why_do_human_couples_hold_hands/ | {
"a_id": [
"cdeiksg"
],
"score": [
3
],
"text": [
"It shows you are with that person and it is comforting "
]
} | [] | [] | [
[]
] | ||
32gt9f | what makes certain wine unbelievably expensive? |
So like, why do some wines, made in recent years, sell for over $10,000 but wines made from vineyards just down the road, which experienced near identical weather conditions, sell for less than $50.
Is it entirely down to the manufacturing process, and if it is, how can the price gap be so wide? Or is it more down... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/32gt9f/eli5what_makes_certain_wine_unbelievably_expensive/ | {
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"It's pretty much supply and demand. Maybe Wi... | [] | [] | [
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710jgz | why are ashy elbows and knees so hard to clean? | I understand that human elbows and knees are prone to becoming "ashy" because, being relatively exposed movable joints with numerous folds of skin, they act as natural traps for dirt, debris, and dead skin cells.
It seems that other body parts with excess folds of skin can suffer from this same problem, but then why d... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/710jgz/eli5_why_are_ashy_elbows_and_knees_so_hard_to/ | {
"a_id": [
"dn7c0tv"
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"score": [
4
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"text": [
"Because the key isn't \"just\" scrubbing. It's first about exfoliating, so not just washing, but using a very rough texture (like a loofah) on warmed, wet skin, to scrub off those dead skin cells. If you're having a tough time, be patient. Do a l... | [] | [] | [
[]
] | |
12mgrg | quantum spin | Tried getting my head around the wiki article (_URL_0_) but no luck :/
Any physicists help? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/12mgrg/eli5_quantum_spin/ | {
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"text": [
"Do be afraid to try /r/askscience ",
"Also, try wiki \"spintronics\" for a practical application of electron spin\n\nFrom what I understand (being a junior in undergrad chemistry), electrons (e-) h... | [] | [
"http://en.wikipedia.org/wiki/Spin_(physics)"
] | [
[],
[],
[]
] | |
3jxxdg | why is breastfeeding apparently so difficult? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3jxxdg/eli5_why_is_breastfeeding_apparently_so_difficult/ | {
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"text": [
" > And if real problems with milk supply are that rampant, how did newborns survive waay back in isolated tribes and such? \n\nLots of them didn't! Kids die... | [] | [] | [
[],
[],
[],
[],
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] | ||
3pdo90 | after waking up from a nights sleep, why does it take so long to focus when you first open your eyes in the morning? | I get that maybe your pupils are very dilated from your eyes being closed all night. Why would it take any longer than any other extended period of time of say being in a dark area, or just closing them manually for a while. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3pdo90/eli5_after_waking_up_from_a_nights_sleep_why_does/ | {
"a_id": [
"cw5vwuv"
],
"score": [
2
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"text": [
"Focusing your eyes involves intricate muscular action. Think about how the rest of your muscles feel when you awaken."
]
} | [] | [] | [
[]
] | |
286qds | why are actors/models paid significantly more than doctors/surgeons or medical professionals? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/286qds/eli5why_are_actorsmodels_paid_significantly_more/ | {
"a_id": [
"ci7y6of",
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"score": [
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2
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"text": [
"Actors and models usually make almost nothing. FAMOUS actors and models are paid a lot, but wast majority support themselves doing something else. \n\nWhy are famous actors and models paid more than surgeons? Supply and dema... | [] | [] | [
[],
[]
] | ||
2125fv | americans for prosperity and the koch brothers | Recently on Reddit I've seen a lot of posts & comments regarding the Koch brothers in some way shape or form. Also my teacher was telling me how she didn't like the way the curriculum was going and that part of it had to do with the Koch brothers and Americans for Prosperity. In class every teacher has to write a "cl... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2125fv/eli5_americans_for_prosperity_and_the_koch/ | {
"a_id": [
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"text": [
"I want to tell you that you are in no way ignorant, and I must remind you that simply asking questions confirms that. I am just as misinformed as you are uninformed, and want to say you are asking questions that must be aske... | [] | [] | [
[],
[]
] | |
ln81c | ceramic vs. steel (or metal in general) | I'm a cook, and at work we use ceramic honers and I have no clue why.
Do tell. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/ln81c/eli5_ceramic_vs_steel_or_metal_in_general/ | {
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"text": [
"OK, materials scientist here and I'll try to explain it simply...\n\nI'm not sure how familiar you are with the periodic table, but going across from right to left, there are more ... | [] | [] | [
[],
[],
[],
[]
] | |
nkfcg | bayesian probability | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/nkfcg/eli5_bayesian_probability/ | {
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"text": [
"In mathematics, a probability is a number between 0 and 1 that is assigned to an event. We understand intuitively that this number is re... | [] | [] | [
[
"http://yudkowsky.net/rational/bayes"
],
[
"http://en.wikipedia.org/wiki/Bayesian_inference#Testing_a_hypothesis",
"http://en.wikipedia.org/wiki/Bayesian_spam_filtering",
"http://en.wikipedia.org/wiki/R_v_Adams#Use_of_Bayesian_analysis_in_the_court"
],
[
"http://www.cs.auckland.ac.nz/~... | ||
2ydvij | how come there aren't more dinosaur bones? | Shouldn't there be alot more dinosaur bones then we have found? Why did some bones make it to be discovered in this age whilst others didn't? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ydvij/eli5_how_come_there_arent_more_dinosaur_bones/ | {
"a_id": [
"cp8ldxb",
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"score": [
19,
4
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"text": [
"What we find today are not the actual bones but fossils which are bones replaced by minerals. For this to happen, conditions have to be *perfect*. One condition that's particularly problematic for fossilization of dinosaur ... | [] | [] | [
[],
[]
] | |
91607t | what are the first things that scientists look for in a planet to see if it may support life | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/91607t/eli5_what_are_the_first_things_that_scientists/ | {
"a_id": [
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"text": [
"I'd say the distance it has from its star and if it has a temperature that supports fluid water. Other important factors are if the planet is rotating around its own axis (important because a locked pla... | [] | [] | [
[],
[],
[]
] | ||
2z0dn3 | why does a quick fap help me fall asleep? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2z0dn3/eli5_why_does_a_quick_fap_help_me_fall_asleep/ | {
"a_id": [
"cpelf1i"
],
"score": [
2
],
"text": [
"Because the succubus that is after you is draining your energy through your penis"
]
} | [] | [] | [
[]
] | ||
2n2zw3 | how do countries enforce border control when there is thousands of miles of land that people can use to get in? | There is no way it is possible to patrol the entire border. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2n2zw3/eli5_how_do_countries_enforce_border_control_when/ | {
"a_id": [
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5,
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"text": [
"when you figure it out i'll bet there are a lot of Texans that would be interested to know...",
"True, but some ways are more convenient than others. For one thing, roads. For another, human habitat... | [] | [] | [
[],
[],
[]
] | |
4z6ui4 | how/why have fauna and flora branched out from the first single-cell organisms as separate and vastly different life forms and was there ever a hybrid middle stage between plant and animal? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4z6ui4/eli5_howwhy_have_fauna_and_flora_branched_out/ | {
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"score": [
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245,
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"text": [
"\"plants\" and \"animals\" evolved as single celled organisms originally. The ancestoral plant cells absorbed another organism with t... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Euglenozoa",
"https://en.wikipedia.org/wiki/Biological_interaction",
"https://en.wikipedia.org/wiki/Elysia_chlorotica",
"https://upload.wikimedia.org/wikipedia/commons/2/2c/Eukaryota_tree.svg"
],
[],
[],
[
"https://en.wikipedia.org/wiki/Euglena"
]... | ||
c0yhj0 | cats usually clean/groom their fur right after eating. how is it that they don't end up sticky and smelly from the food they just eat? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/c0yhj0/eli5_cats_usually_cleangroom_their_fur_right/ | {
"a_id": [
"er9bee8"
],
"score": [
6
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"text": [
"Well sticky residue usually is the result of sugar, which there is none of in cat food. And cat breath usually isn’t that bad due to low levels of bacteria in their mouth, so there’s not a lot of smell."
]
} | [] | [] | [
[]
] | ||
65yg8d | why do chillies hurt so much? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/65yg8d/eli5_why_do_chillies_hurt_so_much/ | {
"a_id": [
"dge5lpj"
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"score": [
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"text": [
"Basic survival is a competition here. If humans eat the chilis, the seeds may be crushed and so the plant loses out on possible reproductive potential. Because of this, the plant creates chemicals that simulate poisons.\n\nThe body can't put an a... | [] | [] | [
[]
] | ||
1t2cqy | how much "horsepower" does one modern horse have? | One horsepower is generally defined as 764 watts I figured a car with 300 horsepower is not as strong (or capable of having as much pulling force as 300 horses)
So how much horsepower does a fairly healthy and strong modern horse have (or able to get up to)? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1t2cqy/eli5_how_much_horsepower_does_one_modern_horse/ | {
"a_id": [
"ce3m6gy"
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"score": [
2
],
"text": [
"a horse can run as fast as around 15hp, while in the long run its more like 1. When their just galloping its like 5hp"
]
} | [] | [] | [
[]
] | |
3zjlqx | a company going into voluntary administration. | Also, what a receiver and administrator are and their functions in this case. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3zjlqx/eli5_a_company_going_into_voluntary_administration/ | {
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21,
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3
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"text": [
"This happens when a company is in financial difficulty and is unable to pay what it owes, and there is not enough income or expected income for it to be able to do this in future.\n\nAn external party ... | [] | [] | [
[],
[],
[]
] | |
1ar56h | if creating something "lactose free" means adding an enzyme, why isn't all milk and yogurt lactose free? | I mean...My lactose free yogurt is exactly the same taste, texture, and I believe has the same dietary benefits as regular yogurt, so why do I have to hunt around for "lactose free" yogurt across multiple stores? Why isn't all yogurt made to be "lactose free"? Would it cause any issues?
And could you add that enzyme t... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ar56h/eli5_if_creating_something_lactose_free_means/ | {
"a_id": [
"c8zze5z",
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"score": [
3,
3,
3
],
"text": [
"Cost is one factor. Adding this to everything would increase the price (versus not adding it). Another factor is that some people might not want to consume this extra ingredient. ",
"Removing the... | [] | [] | [
[],
[],
[]
] | |
41vu7n | why does twitter need a fleet of 3,600 employees to make a website and phone app to share 140 characters? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/41vu7n/eli5_why_does_twitter_need_a_fleet_of_3600/ | {
"a_id": [
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"score": [
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"text": [
"_URL_1_\n\nI really don't know though. maybe they have a lot of projects, trying to sort out the next great thing and prop-up shareholder value?\n\nwhile a site like wikipedia, which I actually find useful, has 75 employees?\n\nhere was the answ... | [] | [] | [
[
"https://www.quora.com/Why-does-Twitter-need-300-employees",
"https://about.twitter.com/careers/positions"
]
] | ||
35qjxn | the difference between number layouts on calculators and telephones - any studies that explain the reason why they have different layouts, and which layout minimizes the chance of error? | I find it an interesting topic...calculators start from 7 and end at 3, while phones (even on password screens etc), the numbers are in order from 1 to 9. Any studies on the reason why these layouts were choosen, the reasons why, etc? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/35qjxn/eli5the_difference_between_number_layouts_on/ | {
"a_id": [
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3,
2,
2
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"text": [
"Numberphile made a pretty interesting video about that, [if you have 7 minutes to spare.](_URL_0_)",
"Right so Bell Labratories did a really in depth study on this way back in the day as to which la... | [] | [] | [
[
"https://www.youtube.com/watch?v=kCSzjExvbTQ"
],
[],
[]
] | |
2p88jb | why are your kneecaps hairless/ have much less hair than the rest of your legs? | I was in the bathroom at a restaurant, on my phone, and I happened to look at my kneecaps.
Why is the skin on your kneecaps hairless? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2p88jb/eli5_why_are_your_kneecaps_hairless_have_much/ | {
"a_id": [
"cmu9st4"
],
"score": [
2
],
"text": [
"I grow hair on part of my knees, always assumed the bald spots were where the skin stretches more or rubs against fabric."
]
} | [] | [] | [
[]
] | |
3er5v7 | why are there so many super-weird shows in japan? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3er5v7/eli5_why_are_there_so_many_superweird_shows_in/ | {
"a_id": [
"cthm83w",
"cthpe93"
],
"score": [
2,
7
],
"text": [
"It's only weird to you because of the difference in culture. If you're Japanese you'll be saying the same about Western tv shows.",
"The main reasons I've seen is twofold. \n1. Japan is so outwardly reserved that the ... | [] | [] | [
[],
[
"https://youtu.be/CxUrpUJycuU"
]
] | ||
3407e6 | on video game controllers, why do we move with the left hand and jump/action with the right? | ELI5:On video game controllers, why do we move with the left hand and jump/action with the right? Who decided this? Does it have something to do with the lobes of the brain? Or was it just some arbitrary thing that never changed? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3407e6/eli5on_video_game_controllers_why_do_we_move_with/ | {
"a_id": [
"cqq198p"
],
"score": [
3
],
"text": [
"Most people are right handed and early arcade games that influenced how controller were eventually designed tended to have the buttons so that you would push them with your right hand and a joystick to move with your left hand (which presumably r... | [] | [] | [
[]
] | |
eoz9wo | why does liquid nitrogen freeze things so fast? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/eoz9wo/eli5_why_does_liquid_nitrogen_freeze_things_so/ | {
"a_id": [
"feg2mz9"
],
"score": [
2
],
"text": [
"Things freeze when they lose enough heat to do so. Heat flows faster between things when the difference in their temperatures is higher. LN2 is *really* cold and so heat flows into it from normal things *super fast*. The result? Things usually fr... | [] | [] | [
[]
] | ||
b2cpl9 | when the fbi seizes a domain and a website why do they put an image saying the site has been seized instead of just deleting it completely? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b2cpl9/eli5_when_the_fbi_seizes_a_domain_and_a_website/ | {
"a_id": [
"eirutcj",
"eirxvmz",
"eisbf2u"
],
"score": [
32,
3,
2
],
"text": [
"To let people know what they are doing and to put a deterrence in the mind of people who might be using some sites for illegal activities, since the FBI might be tracking their activities.",
"There... | [] | [] | [
[],
[],
[]
] | ||
fwbbyh | if you shoot a bullet into the sky, how far will it go? | In this case, it would be shot through a Glock 19. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fwbbyh/eli5_if_you_shoot_a_bullet_into_the_sky_how_far/ | {
"a_id": [
"fmncyn6",
"fmnfk7x"
],
"score": [
2,
9
],
"text": [
"It depends on the angle you shoot it at, the gun you shoot it with, and many other ballistic parameters.",
"A glock 19 has an expected muzzle velocity of 1250 ft per second. Shot straight up into the air from sea level, ... | [] | [] | [
[],
[
"https://www.omnicalculator.com/physics/projectile-motion"
]
] | |
u6try | why are there medical marijuana dispensary raids? | Why are there raids on dispensaries? Isn't the entire point of a dispensary that people with cards get them legally? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/u6try/eli5_why_are_there_medical_marijuana_dispensary/ | {
"a_id": [
"c4sss6u",
"c4svjni"
],
"score": [
17,
4
],
"text": [
"The state government says they are legal. The federal government doesn't have to honour that though, so they can have the DEA/FBI shut any of them down just because they are illegal by federal law.",
"Well for one their... | [] | [] | [
[],
[]
] | |
2rb51b | what's the purpose of the proposer getting down on one knee when proposing? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2rb51b/eli5_whats_the_purpose_of_the_proposer_getting/ | {
"a_id": [
"cne7q8s"
],
"score": [
2
],
"text": [
"It's unclear where exactly it started as a tradition, but just like with medieval Knights its a sign of submission or fealty. The man is pledging himself to his intended."
]
} | [] | [] | [
[]
] | ||
35d4e6 | bernie sanders seems to have a lot of internet fervor reminiscent of ron paul in 2008; for someone who doesn't keep up on politics, why should he have my vote? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/35d4e6/eli5_bernie_sanders_seems_to_have_a_lot_of/ | {
"a_id": [
"cr3b493"
],
"score": [
2
],
"text": [
"Bernie Sanders is by far the most consistent presidential candidate in terms of what he believes in. He has supported gay rights for years, voting no to ban gay adoptions in DC as far back as 1999. Bernie has been against the War on Drugs, voting... | [] | [] | [
[
"http://www.ontheissues.org/senate/bernie_sanders.htm"
]
] | ||
6jmjaa | what are the mechanics of a passenger jet turning | I was recently on a flight seated above the wing and whenever we turned I would look to see if I saw either the aileron or anything else on the wing move but nothing did. How does a plane begin a turn? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6jmjaa/eli5_what_are_the_mechanics_of_a_passenger_jet/ | {
"a_id": [
"djfh7iy",
"djfjyo8"
],
"score": [
2,
3
],
"text": [
"The air moves over the wing very fast so even a slight tilt of the aileron is often enough to start the plane rolling, then when it has rolled or banked enough the pilot can let the aileron go back to normal. You might notic... | [] | [] | [
[],
[]
] | |
1xbzr0 | why can i only think in my own voice? | This might sound like a dumb question... in fact I predict many downvotes but back to the topic at hand I can only think in my own voice be it my own natural voice or my own voice micking someone eles' as I would if I was making fun of them. The question is why? A more detailed question: if I don't need vocal cords to ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1xbzr0/eli5_why_can_i_only_think_in_my_own_voice/ | {
"a_id": [
"cf9z8pm",
"cfa1554"
],
"score": [
2,
3
],
"text": [
"Speak for yourself; I hear [Christopher Walken](_URL_0_) when I think. ",
"This isn't a dumb question by a long shot and it might surprise you to learn that you do have some control over the voice characteristics of your... | [] | [] | [
[
"http://www.youtube.com/watch?v=l7E_j49762Q"
],
[
"https://sites.google.com/site/liveabrighterlife2/internaldialogue"
]
] | |
15rb3g | the atheistical argument against evolution | Recently heard some guy in a restaurant saying that "evolutionary theory just didn't convince him," and later in the night, just as loudly, "I'm an atheist, so I don't believe in stuff like that" about something else.
Any ideas? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/15rb3g/eli5_the_atheistical_argument_against_evolution/ | {
"a_id": [
"c7p2wqm",
"c7p31gf"
],
"score": [
7,
5
],
"text": [
"Technically, there is nothing requiring someone who is an atheist to also believe in evolution. However, evolution is the most complete explanation for how species came to exist. This person likely does not have a coherent c... | [] | [] | [
[],
[]
] | |
a5rasc | how to tell if compound has nonpolar/polar bonds & molecules? | Hi! My chem teacher has tried to explain the process of telling us how to identify polar vs nonpolar bonds (right before our test of course lol) but his explanations are conflicting. Someone please explain! Thank you! | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a5rasc/eli5_how_to_tell_if_compound_has_nonpolarpolar/ | {
"a_id": [
"ebosasj"
],
"score": [
4
],
"text": [
"Think of tug of war. Both atoms have a hold of one side. Electronegativity, a property of the atoms, determines the strength of the people playing tug of war. A more electronegative atom, the stronger the pull on the rope. \nA polar bond is one i... | [] | [] | [
[]
] | |
6scwhq | why do aircraft use flaps to take off? doesn't it create drag? | Judging by the aileron/elevator movement, the flaps should point the aircraft's nose towards ground, but it doesn't. ELI5. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6scwhq/eli5_why_do_aircraft_use_flaps_to_take_off_doesnt/ | {
"a_id": [
"dlbqpn9",
"dlbqtwa",
"dlbvf2f"
],
"score": [
5,
4,
2
],
"text": [
"The fact that the larger wing surface creates more drag is precisely why aircraft use flaps. Flaps allow the wing to only be that shape at certain periods of flight.\n\nAt the slower speeds of take off ... | [] | [] | [
[],
[],
[]
] | |
8ckp32 | how does captcha both screen bots and build machine learning databases? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8ckp32/eli5_how_does_captcha_both_screen_bots_and_build/ | {
"a_id": [
"dxfq2ry"
],
"score": [
3
],
"text": [
"They have a database and part of the key.\n\nThey show you 4 signs, 3 they are sure of and 1 maybe. If you get the 3 they know right, then your vote counts for the 4th one. If 500 users who got the 3 known signs right agree about the 4th one, t... | [] | [] | [
[]
] | ||
97g355 | what does it mean when a judge says “with prejudice” after they announce the result of a trial? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/97g355/eli5_what_does_it_mean_when_a_judge_says_with/ | {
"a_id": [
"e47xwre",
"e48gibs"
],
"score": [
105,
2
],
"text": [
"The case/charges cannot be refiled. For example. Let's say a criminal has 4 counts of drug possession on a case. Since attorneys really don't want things to go to trial, the defendant takes a plea deal from the state, wher... | [] | [] | [
[],
[]
] | ||
6w6h07 | fata morgana: what is it? how does it occur? | I know that Fata Morgana is a type of mirage, but what can you see in this kind of illusion and where/how does it occur? Is it just a distorted image of something on the horizon? Or would you normally not even be able to see that object?
I can't understand anything that the Wikipedia page says on the topic. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6w6h07/eli5_fata_morgana_what_is_it_how_does_it_occur/ | {
"a_id": [
"dm5s2kt"
],
"score": [
4
],
"text": [
"You're seeing something near the horizon or beyond the horizon.\n\nYou can see beyond the horizon because light \"bends\" towards colder air. If there is cold air at the ground and warm air higher up, this will cause light to bend downwards, guid... | [] | [] | [
[]
] | |
25gbqs | if scientists have warned us about the west antarctic ice sheets collapse and other severe global warming effects, why won't major world governments like the united states or china do or have done anything ? | If we see evidence of global warming before our very eyes (an entire artic ice sheet going slowing into the ocean) why won't governments do something about it especially something very catastrophic to the world ? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/25gbqs/eli5_if_scientists_have_warned_us_about_the_west/ | {
"a_id": [
"chgvb4k",
"chgwmy5",
"chh0bg6"
],
"score": [
2,
6,
3
],
"text": [
"Because of the Almighty dollar. To make the necessary changes it would cost businesses money.. or as the Republicans like to say \"It will cost jobs\" \nI personally would rather lose my job than lose m... | [] | [] | [
[],
[],
[]
] | |
2789ja | how can a private company like spacex launch a rocket for so much less than a government run agency like nasa? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2789ja/eli5_how_can_a_private_company_like_spacex_launch/ | {
"a_id": [
"chybay2",
"chybhk1",
"chybp5m",
"chybvzt",
"chycc4r",
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"chyflql",
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"chym4nm"
],
"score": [
19,
22,
3,
4,
27,
5,
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2,
2
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"text": [
"It's hauling less mass, it's only reaching lo... | [] | [] | [
[],
[],
[],
[],
[],
[
"http://blogs.msdn.com/b/ericlippert/archive/2011/07/21/i-m-glad-and-sad-that-that-s-over.aspx"
],
[],
[],
[],
[]
] | ||
asgfeu | why is our dishwasher unable to remove raw protein from dishes? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/asgfeu/eli5_why_is_our_dishwasher_unable_to_remove_raw/ | {
"a_id": [
"egu4qsx",
"egu8qu8",
"egu9n96"
],
"score": [
5,
3,
3
],
"text": [
"Meat is *Carbon. Carbon is tiny and has a grip fills the poors of a plate when heated. Heat makes the carbon expand (excite) Think of how dense an icecube is vs water. the thing is that when cooled the ... | [] | [] | [
[],
[],
[]
] | |
d5osoy | if electricity is just a flow of electrons then why is electricity considered energy instead of mass? what even is 'energy'? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/d5osoy/eli5_if_electricity_is_just_a_flow_of_electrons/ | {
"a_id": [
"f0n6pxi",
"f0n7az7"
],
"score": [
10,
3
],
"text": [
"Electricity is the *movement* of electrons not the electrons themselves. Think about the power in a rotating drive shaft out of an engine to move a car, is that just \"mass\" because the rod is made of material?\n\nEnergy i... | [] | [] | [
[],
[]
] | ||
p10qd | how do cats recognize people and how long do they remember them for? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/p10qd/how_do_cats_recognize_people_and_how_long_do_they/ | {
"a_id": [
"c3lmqpd",
"c3losd6",
"c3ltbwa",
"c3lvzl9"
],
"score": [
7,
43,
8,
2
],
"text": [
"One way is smell. A cat's sense of smell is superior. Cats mark objects -- either by urine-spraying (which is normally preventable if the cat is neutered) or secreting scents fro... | [] | [] | [
[],
[],
[],
[]
] | ||
3i13ye | what causes the burning sensation in your mouth whenever you eat hot wings? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3i13ye/eli5_what_causes_the_burning_sensation_in_your/ | {
"a_id": [
"cuccrz1"
],
"score": [
2
],
"text": [
"The chemical is called capsaicin.\n\nYour mouth (like the rest of your skin) has nerves that are sensitive to heat. Capsaicin causes those nerves to be super sensitive, until your own body heat activates them. Suddenly, your normal 98.6 degree ... | [] | [] | [
[]
] | ||
1wwk12 | what is the r/theredpill/ subreddit all about? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1wwk12/eli5what_is_the_rtheredpill_subreddit_all_about/ | {
"a_id": [
"cf60bnd",
"cf617zx",
"cf6da53"
],
"score": [
7,
13,
8
],
"text": [
"It is a subreddit based on the general belief that women have it better than men. They believe that male oppression of women is a myth and that society actually is the opposite - women are running the... | [] | [] | [
[],
[],
[]
] | ||
7n2kmz | why vision gets distorted when hot and cold air meet | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7n2kmz/eli5_why_vision_gets_distorted_when_hot_and_cold/ | {
"a_id": [
"dryjvwz",
"dryoqsq",
"dryq1ud",
"dryr1rl",
"dryr8ub",
"dryre56",
"dryu9oh",
"dryus0a",
"drz2rro",
"drz3xpv",
"drzpo7n",
"drzqu7t"
],
"score": [
6371,
85,
196,
16,
9,
2,
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2,
2
],
"text": [
... | [] | [] | [
[],
[],
[],
[
"https://youtu.be/y55tzg_jW9I"
],
[],
[],
[
"https://youtu.be/Iq1a_KJTWJ8"
],
[],
[],
[],
[
"https://i.stack.imgur.com/BoZ2O.gif"
],
[]
] | ||
e066ny | how do games display a millisecond counter if the max frame rate of a normal display is 60? | There’s simply not enough frames to display the millisecond digit but lots of timers do it anyways. Are numbers skipped? Are numbers blurred together? Is this hard coded by programmers or is it coded to just output milliseconds and whatever numbers happen to align with the refresh rate is whatever shows up? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/e066ny/eli5_how_do_games_display_a_millisecond_counter/ | {
"a_id": [
"f8c4rpz",
"f8c6539",
"f8cfpa3"
],
"score": [
21,
14,
3
],
"text": [
"The clocks can count in milliseconds, the screen can't show it. So what you see is typically the time the frame started to draw.",
"The timer keeps count, but the display only updates 60 times per... | [] | [] | [
[],
[],
[]
] | |
1paiav | why can't high complex organisms asexually reproduce? | title | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1paiav/eli5_why_cant_high_complex_organisms_asexually/ | {
"a_id": [
"cd0dxpe",
"cd0dzwl"
],
"score": [
8,
3
],
"text": [
"Because sexual reproduction produces more genetic diversity and therefore stronger genetic health. We evolved out of asexual reproduction.",
"Some actually can. It's called parthenogenesis. If you've seen Jurassic Park, ... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Parthenogenesis"
]
] | |
4dn9u5 | why when we're falling asleep and hear a sharp/loud noise does our vision go white? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4dn9u5/eli5_why_when_were_falling_asleep_and_hear_a/ | {
"a_id": [
"d1sj1yy",
"d1sjpx4",
"d1sk1vd",
"d1sm7ea",
"d1snp7e",
"d1sqx6i"
],
"score": [
5,
6,
2,
3,
2,
2
],
"text": [
"Thats never happened to me?... you should get that looked at",
"Yes! This happens to me all the time! I do not have a TV in my room... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | ||
1zpcxc | what is this philosopher saying? | Extract: **Paul Tillich - The Shaking of the Foundations (1948)**
‘The state of our whole life is estrangement from others and ourselves, because we are estranged from the Ground of our being; because we are estranged from the origin and aim of our life. And we do not know where we have come from or where we are going... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1zpcxc/eli5_what_is_this_philosopher_saying/ | {
"a_id": [
"cfvpo2z"
],
"score": [
3
],
"text": [
"We're born not know if there is an afterlife. All we can do is guess and hope there is more, and without knowing expect the bleakness that is death. Expect that we will never know why we were born to expect death, only that it is a fact."
]
} | [] | [] | [
[]
] | |
9sk4lm | why does spray paint give us headaches? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9sk4lm/eli5_why_does_spray_paint_give_us_headaches/ | {
"a_id": [
"e8pehpw"
],
"score": [
2
],
"text": [
"Short answer: Lack of oxygen. \n\nSlightly longer answer: The air you breath in is a certain mixture of gasses that our body can process. Fumes from the paint throw off that mixture. Meaning your not getting enough air and your body is trying to ... | [] | [] | [
[]
] | ||
4l7k63 | how do "dead" mmos stay in business and afford to continue running? | As far as I know, MMOs are one of the most expensive projects for a studio and is usually resource intensive in terms of ~~server maintenance~~ costs including labor. How is it possible for there to be so many MMOs out there with very few players yet manage to afford production and persistence? If these assumptions are... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4l7k63/eli5_how_do_dead_mmos_stay_in_business_and_afford/ | {
"a_id": [
"d3kzh2h",
"d3l1o93"
],
"score": [
7,
3
],
"text": [
"Well the companies downsize their servers; potentially down to one actual server. The cost to keep that one server running is probably a lot less than a few hundred subscriptions / micro transactions a month. There's no poin... | [] | [] | [
[],
[]
] | |
3e9eph | as i'm going grey, why are there no hairs that are part black and part grey? | I have about 50/50 grey/black hair. But it's obvious a black hair falls out before a new grey one takes its place. Why does it not change midway through growing? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3e9eph/eli5_as_im_going_grey_why_are_there_no_hairs_that/ | {
"a_id": [
"ctcxm5j"
],
"score": [
8
],
"text": [
"I've had a few hairs that alternated black & white before going grey. If your hair is short you might not see that."
]
} | [] | [] | [
[]
] | |
16j5uo | what did aaron swartz do wrong and why? | I'm referring to the charges against him. Not his suicide. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/16j5uo/eli5_what_did_aaron_swartz_do_wrong_and_why/ | {
"a_id": [
"c7winma"
],
"score": [
7
],
"text": [
"He downloaded a bunch of scientific journal articles from MIT, allegedly with the intent to distribute them for free on the Internet."
]
} | [] | [] | [
[]
] |
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