q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
value | subreddit stringclasses 3
values | url stringlengths 4 132 | answers dict | title_urls list | selftext_urls list | answers_urls list |
|---|---|---|---|---|---|---|---|---|---|
1anf24 | why i should not be scared shitless on commercial flights. | Mainly why do we trust the mechanics involved in flying so much? Security should also be a welcomed conversation. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1anf24/eli5_why_i_should_not_be_scared_shitless_on/ | {
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"http://www.ntsb.gov/doclib/safetystudies/SR0101.pdf",
"http://abcnews.go.com/US/story?id=94023&page=1"
],
[],
[],
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"http://www.youtube.com/watch?feature=player_embedded&v=Kk1KBQ96_DI#"
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"http://anxieties.com/flying-howsafe.php#.UUnQZVfvlH0"
],
[],
[],
[],
... | |
g5ncl | What would be the least painful way to die? | askscience | http://www.reddit.com/r/askscience/comments/g5ncl/what_would_be_the_least_painful_way_to_die/ | {
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"getting caught in the blast of an atomic bomb. e. you would litera... | [] | [] | [
[],
[
"http://www.canada.com/vancouversun/news/story.html?id=ce4139ae-d635-4030-ac92-a7b7d6fab09d",
"http://www.slate.com/id/2143631/",
"http://www.youtube.com/watch?v=okn04uhNPRA",
"http://en.wikipedia.org/wiki/Suicide_bag"
],
[],
[],
[],
[],
[],
[
"http://www.reddit.com/r/suici... | ||
en9uf0 | how cold blooded animals manage their body temperature when external environment temperature is in minus, eg -1,-2 or so? | I have heard that cold blooded animals have the same temperature as the environment, then how it is possible in temperature below freezing. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/en9uf0/eli5_how_cold_blooded_animals_manage_their_body/ | {
"a_id": [
"fdwsfo2",
"fdwvimz"
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"score": [
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3
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"text": [
"Cold-blooded animals don't typically live in environments that drop below freezing. When they do, they typically go underground where it's warmer and/or hibernate for the winter.",
"The reason cold blood is bad is becaus... | [] | [] | [
[],
[]
] | |
qxp6y | Can someone please explain to me what this is on the weather map and how it formed like this? | I was looking at the weather today and I noticed something I haven't seen before. It appears to be a circle with a few rings of clouds on the radar. Take a look here. _URL_1_
Edit. Here is a gif I made of it. _URL_0_ On radar it lasted almost an hour.
Edit 2. I looked at the size of the circle and found out that i... | askscience | http://www.reddit.com/r/askscience/comments/qxp6y/can_someone_please_explain_to_me_what_this_is_on/ | {
"a_id": [
"c419u37",
"c41a8x2"
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"score": [
11,
2
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"text": [
"I see the radar site!\n\nWeather radar sometimes misbehaves with cloud formations too close to the system. I'd bet good money this station's radar data comes from a site in Aberdeen.",
"It looks like there's a malfuncti... | [] | [
"http://imgur.com/QVmKc",
"http://i.imgur.com/CSinp.jpg"
] | [
[],
[]
] | |
2vazcy | Given that an Alcubierre warp drive is physically possible, how would the crew experience time in relation to others? | Would time be different from their perspective because they're technically going faster than light? Or would it be the same to those inside as those, say, on Earth due to the warp "bubble" the drive creates? | askscience | http://www.reddit.com/r/askscience/comments/2vazcy/given_that_an_alcubierre_warp_drive_is_physically/ | {
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"cog74kd",
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"text": [
"There is no time dilation! That's one of the reasons a drive like that would be so fantastic. It's space itself which is expanding and contracting faster than light, the craft ... | [] | [] | [
[
"http://phys.org/news/2012-03-annihilating-effects-space.html"
],
[],
[],
[]
] | |
1bz4ln | why vehicles aren't built more like bumper cars. | Why don't cars have rubber bumpers around them? Not very aesthetically pleasing, sure, but there'd be a lot less damage done to a vehicle, no? How would passenger safety be affected if people drove cars outfitted with rubber bumpers? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1bz4ln/eli5why_vehicles_arent_built_more_like_bumper_cars/ | {
"a_id": [
"c9bgz1f",
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"score": [
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6
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"text": [
"Cars are designed with crumple zones. Even a fairly gentle crash will crumple the car, meaning that the car doesn't stop quite as suddenly. It's still very sudden, but not quite as much, and this can make crashes much more ... | [] | [] | [
[],
[]
] | |
1ckm4c | Is the species to species relationship seen between humans and dogs seen among other animals as well? | I know that other species often live very close to each other without conflict, but how many of them actually show social interaction and companionship between one another?
I don't specifically mean species to species either, I forgot to specify in the title. I'm not too keen on biological classification too much, jus... | askscience | http://www.reddit.com/r/askscience/comments/1ckm4c/is_the_species_to_species_relationship_seen/ | {
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"c9hm2eb",
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"score": [
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2,
2
],
"text": [
"Many species of ants are highly interactive with other species (mostly other insects). For example, some species have aphid \"farms\" - basically the aphids eat plant sap, and ants eat their poop. The a... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Myrmecophily"
],
[
"http://www.youtube.com/watch?v=U2lSZPTa3ho"
],
[
"http://en.wikipedia.org/wiki/Goby#Symbiosis"
]
] | |
1jls2o | white ceilings | Why do people usually paint their ceilings white? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1jls2o/eli5_white_ceilings/ | {
"a_id": [
"cbfxgwb"
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"score": [
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],
"text": [
"It reflects light which helps the room to be brighter.\n\nThis helps the room feel bigger and less opressive."
]
} | [] | [] | [
[]
] | |
4cxyve | why are us primaries so expensive? candidates rely on heavy donations, what do they spend that money on besides air fare/accommodation? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4cxyve/eli5_why_are_us_primaries_so_expensive_candidates/ | {
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"score": [
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2,
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3
],
"text": [
"Ads are extremely expensive and for better or worse, needed in a modern campaign, and that's where a majority of the money goes. Beyond that there is a logistical need to house an... | [] | [] | [
[],
[],
[],
[]
] | ||
6erj44 | can you keep an amputated limb? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6erj44/eli5_can_you_keep_an_amputated_limb/ | {
"a_id": [
"dich0q5",
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"score": [
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"text": [
"Depends on where you live but in the US you either bury the limb(by former owner's request) or they incinerate or donate it for study.",
"I am pretty sure they get incinerated and I am sure it depends on why it was amput... | [] | [] | [
[],
[]
] | ||
4eb4i2 | how is a game made from a totally new engine (like overwatch)? | What are the first steps on making a new game engine? Looks like A LOT of complicated job. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4eb4i2/eli5_how_is_a_game_made_from_a_totally_new_engine/ | {
"a_id": [
"d1yre8h",
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"score": [
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4
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"text": [
"First, you find out what your game is going to be. \n\nYou're at the design stage. First person shooter? Fine. WW2? Fine. Good graphics or amazing graphics? Okay. Are there any Engines out there that already fit our needs? C... | [] | [] | [
[],
[]
] | |
9d2dfs | I'm a basic infantry soldier stationed in the Western front in WWI. What are some things I can do to enhance my chances of survival? | [deleted] | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/9d2dfs/im_a_basic_infantry_soldier_stationed_in_the/ | {
"a_id": [
"e5fnrns"
],
"score": [
2
],
"text": [
"Not getting promoted would be a very good idea. Not getting promoted to a high risk arm would be even better.\n\nFor the British, 1 officer casualty would be sustained for the following proportion of men for different arms\n\n* Tank Corps - 5.5\n... | [] | [] | [
[]
] | |
3wu1kh | what can someone really do if they find your ssn and dob? | EDIT: Don't go on /r/WritingPrompts as much... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3wu1kh/eli5_what_can_someone_really_do_if_they_find_your/ | {
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"score": [
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37,
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"With that (and perhaps a few other, publically accessible information, like your name) ... | [] | [] | [
[],
[],
[],
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] | |
8qtpjd | why does depth of field become more narrow with an increase in format? | Ex: 35mm compared to say, 4x5 or 8x10, DOF is noticeably shorter (or more narrow) on larger formats, even with equivalent focal length lenses.
* I understand how this can be controlled with aperture, but that is not the intended question.
| explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8qtpjd/eli5_why_does_depth_of_field_become_more_narrow/ | {
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3,
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"text": [
"The relevant factor to depth of field is the actual focal length, not the equivalent focal length.\n\nTo shoot on a larger format, you need a longer focal length to get the equivalent framing.\n(eg. 100... | [] | [] | [
[],
[],
[]
] | |
5lpxmt | What did Frankenstein's monster look like before Boris Karloff (from the 1931 film) made everyone get the same image in their head? | Edit: I should clarify. I mean was there a stage or film performance that was disseminated enough to create some type of agreement on what the monster looked like? I know film would have been in it's infancy prior to this, but is there anything out there that people saw? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5lpxmt/what_did_frankensteins_monster_look_like_before/ | {
"a_id": [
"dbxxbug"
],
"score": [
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],
"text": [
"Fun question!\n\nThe original 1818 edition, to my knowledge, had no illustrations, nor did its 1823 reprint; I can't find a digitized version of the 1821 French translation. That leaves the first trackable depiction of Frankenstein's creature to... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Frankenstein#/media/File:Frankenstein1910.jpg",
"http://shelleysghost.bodleian.ox.ac.uk/playbill-for-presumption#Description",
"https://upload.wikimedia.org/wikipedia/commons/thumb/e/e6/Frontispiece_to_Frankenstein_1831.jpg/372px-Frontispiece_to_Frankenstein_1831.jpg",
... | |
3ewifd | why do most video players have a notification when switching to full screen mode to allow or exit full screen mode at the top? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3ewifd/eli5_why_do_most_video_players_have_a/ | {
"a_id": [
"ctj0c6h",
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"score": [
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2,
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"text": [
"It's to stop sneaky hacking that creates a full screen version of your desktop so that they can fiddle around with it and steal information without you knowing. It's not the video player, by the way, it... | [] | [] | [
[],
[],
[]
] | ||
5h2y3b | why can't we all just get along? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5h2y3b/eli5_why_cant_we_all_just_get_along/ | {
"a_id": [
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4,
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],
"text": [
"Because people have fundamentally different values and principles based on how they were raised and what their life status is. Possibly also their genetics. Sometimes the principles are contradictory, and that creates confli... | [] | [] | [
[],
[]
] | ||
hh8b5 | What is happening at a molecular level when pH levels change? | I understand that lower pH levels have higher concentrations of hydrogen ions and vice versa for higher levels of pH but what is happening, lets say, when you add a basic solution to something acidic and the acidic substance becomes more basic? | askscience | http://www.reddit.com/r/askscience/comments/hh8b5/what_is_happening_at_a_molecular_level_when_ph/ | {
"a_id": [
"c1vf3az"
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"text": [
"pH is a measurement of _hydronium_ ion (H3O^+ ) concentrations - not \"hydrogen ions\".\n\nAll acids and bases have two \"states\" - a protonated form (the acid) and a deprotonated form (base). Note that when I say \"acid\" and \"base\", it has a... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Bronsted_Lowry"
]
] | |
3c92ag | why does gta still continue to use fake names for vehicles yet games like gran turismo, forza, and need for speed have been using manufacturers names/vehicles for years? | I assume it has to do with licensing and what not but why doesn't Rockstar acquire it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3c92ag/eli5_why_does_gta_still_continue_to_use_fake/ | {
"a_id": [
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3,
14
],
"text": [
"GTA is a not made to be a reality game while Gran Turismo,Forza,_URL_0_. are reality based,therefore GTA did not seek licensing agreements.\n\nI found a link to a page that describes it in detail _URL_1_",
" > Real car ... | [] | [] | [
[
"et.al",
"http://www.giantbomb.com/fictional-car-brands/3015-5156/"
],
[]
] | |
2aiy5b | Saturn's Rings and Gravity - Why do the particles rotate so uniform? | Wouldn't Saturn's gravity have a center that the particles rotate around, causing them to orbit Saturn sporadically, thus causing the particles in the rings to look more like a thin cloud surrounding Saturn? | askscience | http://www.reddit.com/r/askscience/comments/2aiy5b/saturns_rings_and_gravity_why_do_the_particles/ | {
"a_id": [
"civon8g"
],
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2
],
"text": [
"The phenomenon is called accretion disc and is based on the same effect as the frequent spiral form of galaxies.Imagine several macroscopic bodies orbiting a mass. If there is a finite number of bodies, and there isnt perfect rotational symmetry... | [] | [] | [
[]
] | |
61i6p1 | Why there are not animals with wheels? | If rolling on wheels is so effective for transportation and speed why no animal has evolved to develop such similar method of transportation? | askscience | https://www.reddit.com/r/askscience/comments/61i6p1/why_there_are_not_animals_with_wheels/ | {
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],
"text": [
"Wheels only work on flat surfaces. Bigger wheels can ride over large variations in terrain. Just think of a person in a wheel chair. They cannot get over a curb, while able bod... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Bacterial_flagellum"
],
[],
[
"https://www.youtube.com/watch?v=PjdPTY1wHdQ"
]
] | |
33ue85 | When did the calendar as the West knows it become practice? At what point did people start using the same years as we do now? | I should know this, but I don't. Very confusing topic for me. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/33ue85/when_did_the_calendar_as_the_west_knows_it_become/ | {
"a_id": [
"cqogle8"
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"text": [
"hi! the calendar you're referring to is called the [*Gregorian Calendar*](_URL_0_). There's lots of room for more information here regarding its adoption of this to various cultures, but you can get a good start on this topic in the FAQ\n\n* [How... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Gregorian_calendar",
"http://www.reddit.com/r/AskHistorians/wiki/calendars#wiki_how_did_the_world_agree_on_what_year_it_is.3F"
]
] | |
b9p6lh | which industrial processes can not be done with electricity as power-source? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b9p6lh/eli5_which_industrial_processes_can_not_be_done/ | {
"a_id": [
"ek603l1"
],
"score": [
2
],
"text": [
"The industry of generating electrical power itself does not have to rely on electricity to start the generation of electricity, but it does help.\n\nThis methods vary but can be a number of means such as mechanical, chemical, or nuclear. \n\nElec... | [] | [] | [
[]
] | ||
1cymqd | How common and severe were abuses committed against civilians during the American Revolutionary War? | Such as, but not limited to: rape, confiscation or destruction of property, indiscriminate killing ect. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1cymqd/how_common_and_severe_were_abuses_committed/ | {
"a_id": [
"c9l86lt"
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"text": [
"In the course of my research, I have found a frightening number of instances of rape, though I haven't had the opportunity to comb through court martial records to get more specific than \"they happened more often than they should have.\"\n\nThe ... | [] | [] | [
[
"http://www.ohiohistorycentral.org/entry.php?rec=499"
]
] | |
8ebfdy | why does striped clothes seems to "blink" when you look at them for a moment? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8ebfdy/eli5_why_does_striped_clothes_seems_to_blink_when/ | {
"a_id": [
"dxueakt"
],
"score": [
2
],
"text": [
"When your eyes scan something they move in small jumps called saccades, not smoothly. For something with stripes, this can get confusing, by locking onto one then jumping to the next, but that seems like the first so it's not clear that whether ... | [] | [] | [
[]
] | ||
e9iq09 | Did ancient people understand the concept of extinction? | Did people in ancient Egypt, Rome, Mesopotamia etc understand the concept that a species could become extinct? What is the earliest recorded mention of extinction? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/e9iq09/did_ancient_people_understand_the_concept_of/ | {
"a_id": [
"faj8iau"
],
"score": [
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],
"text": [
"This isn't exactly answering your question because the focus is not on ancient peoples, but in [this answer I spent some time charting the development of an awareness of the concept of extinction](_URL_0_) in the Western scientific tradition. Hop... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/6ouk3t/how_much_of_a_surprise_was_it_to_contemporary/dklillf/"
]
] | |
405yic | why do ordinary cars not have those useful, black "heating stripes" in their windshields? | They melt frost so quickly from the back window, they don't really obstruct vision either, I don't see a reason why car manufacturers don't include them in the front. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/405yic/eli5_why_do_ordinary_cars_not_have_those_useful/ | {
"a_id": [
"cyrpefk",
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"score": [
11,
3
],
"text": [
"Because ford own the patent of having this in the windscreen. You will see them on their high end cars. Even carried along into jaguar when they used to own that",
"Windshield installer here, mostly this comes down to ... | [] | [] | [
[],
[]
] | |
flwa96 | why can't you see pixels on a phone screen as easily as you can on a monitor? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/flwa96/eli5_why_cant_you_see_pixels_on_a_phone_screen_as/ | {
"a_id": [
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"score": [
21,
6,
2
],
"text": [
"Say you have a phone that is 1080p and a monitor that is also 1080p. You have the same number of pixels, but they are closer together on the smaller screen of the phone.",
"The size of the display ... | [] | [] | [
[],
[],
[]
] | ||
wv4xm | Has a tyrant in the likes of Hitler or Saddam
Hussein ever had a change of heart in their later
years to become a benevolent ruler? | We seem to have a lot of stories from centuries where tyrant rulers were either persecuted or were overthrown. But has there ever been a case of tyrant ruler who turned benevolent in later years?
(I can think of the Indian king Asoka, but I don't think he was a tyrant ruler. Just that he stopped warring after convert... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/wv4xm/has_a_tyrant_in_the_likes_of_hitler_or_saddam/ | {
"a_id": [
"c5gq9ba",
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"score": [
29,
14,
10,
13,
11,
3,
2
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"text": [
"Not really as important as the ones you mentioned but there is, of course, General Butt Naked, of Liberia. He... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/Charles_V,_Holy_Roman_Emperor"
],
[
"http://en.wikipedia.org/wiki/Descent_from_Genghis_Khan",
"http://en.wikipedia.org/wiki/Destruction_under_the_Mongol_Empire"
],
[
"http://en.wikipedia.org/wiki/George_Wallace"
],
[
"http://en.wikipedia.or... | |
gib43 | When a new species is found, how do you distinguish the male from the female? | Ok first of all I'm sorry if this is a stupid question (I was "browsing /r/trees" when I thought this up). But if you discover a totally different species how are you able to distinguish the male from the female? If the answer is DNA, then how did they do it before DNA was found? Was it arbitrary? | askscience | http://www.reddit.com/r/askscience/comments/gib43/when_a_new_species_is_found_how_do_you/ | {
"a_id": [
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"score": [
17,
4
],
"text": [
"\"And here is the male seahorse.\"\n\n\"... it looks like it's having a baby.\"\n\n\"Um.. the male seahorse has the baby.\"",
"in practice, it is much harder to tell if an organism belongs to a new species than whether ... | [] | [] | [
[],
[]
] | |
aiwqvy | Why is U–Pb dating so effective in measuring the age of the Earth? Wouldn't there be decaying uranium floating around the early Solar System, or even *before* the formation of the Sun during the nebula stage? | askscience | https://www.reddit.com/r/askscience/comments/aiwqvy/why_is_upb_dating_so_effective_in_measuring_the/ | {
"a_id": [
"eerbdvg"
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"score": [
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"text": [
"Yes, there would. Then it all gets melted into a homogenous mess during planetary accretion. With the uranium locked in place, and the Pb unable to escape, we can measure their ratios to tell how long they've been locked in place.\n\nRadiogenic ... | [] | [] | [
[]
] | ||
fg86e9 | what is the, if there exists any, the science behind the human fascination with serial killers and crime shows? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fg86e9/eli5_what_is_the_if_there_exists_any_the_science/ | {
"a_id": [
"fk36914",
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"score": [
7,
5,
6
],
"text": [
"Humans want to see consequences to actions that they understand are deviant and are curious to the the thinking behind their \"logical\" thinking (i.e., planning, motivation, efficacy, etc.)",
"In t... | [] | [] | [
[],
[],
[]
] | ||
3hxpx6 | Do animals other than human experience infertility the way humans do? | I'm assuming all species of the animal kingdom may have members that have trouble conceiving young/eggs for similar various reasons that plague human couples trying to start families. If so are they aware of it? Do they experience a sense of loss or despair like humans? Or does the animal brain simply desire to mate a... | askscience | http://www.reddit.com/r/askscience/comments/3hxpx6/do_animals_other_than_human_experience/ | {
"a_id": [
"cubq6vp",
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"score": [
3,
7
],
"text": [
"I'm not sure about behavioural, but genetically speaking if they have problems reproducing then their genes are less likely to be passed down generation to generation, while those that can easily reproduce thrive and populat... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Freemartin"
]
] | |
5r81p1 | AskScience AMA Series: I am a scientist currently working in a US congressional office. Ask Me Almost Anything! | I hold a doctorate in biological sciences and am currently working in an office in the United States Congress. I primarily do work outside of the sciences, applying scientific thinking and problem-solving techniques to non-scientific policies. I wish I could be more specific about my background and current role, but I ... | askscience | https://www.reddit.com/r/askscience/comments/5r81p1/askscience_ama_series_i_am_a_scientist_currently/ | {
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30amca | I've heard E. coli referred to as a human symbiont. Are there any other GI beasties that are known to be essential to human survival? | askscience | http://www.reddit.com/r/askscience/comments/30amca/ive_heard_e_coli_referred_to_as_a_human_symbiont/ | {
"a_id": [
"cpr9co6"
],
"score": [
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"text": [
"Mammals could be accurately described as a walking home for bacteria - some of them could exist perfectly well in the external environment, but you have no chance of surviving without them inside of you.\n\n[Your gut houses microorganisms which r... | [] | [] | [
[
"http://embor.embopress.org/content/7/7/688.abstract",
"http://www.sciencedirect.com/science/article/pii/S0140673603124890",
"http://mpkb.org/home/pathogenesis/microbiota"
]
] | ||
15xjfw | difference between wma and mp3 | I here a lot on music subreddits everyone downloading WMA's instead of MP3's. Whats the difference? Where does everyone manage to find all their music again in this format? Is it really a big difference? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/15xjfw/eli5_difference_between_wma_and_mp3/ | {
"a_id": [
"c7qqt57",
"c7qsrrs",
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"score": [
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2,
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"text": [
"Never heard of people being into wma files... but I'll answer anyways.\n\n > Whats the difference? \n\nwma and mp3 were competing formats in the 90s and early 2000s. Mp3 was the standard, and wma (made ... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/Windows_Media_DRM",
"http://en.wikipedia.org/wiki/MP3#Licensing_and_patent_issues"
]
] | |
1sebet | Which alternative medicines/therapies are most backed up by science? | This question was asked 3 years ago, but perhaps since then, there has been more research. What therapies are "probably helpful", "harmless", and "harmful"? While there may be many things under the banner of alternative medicine, some that I have heard of include: Chiropractic, Acupuncture, Massage Therapy, Sacral - Cr... | askscience | http://www.reddit.com/r/askscience/comments/1sebet/which_alternative_medicinestherapies_are_most/ | {
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"cdwxv2s",
"cdwzsys",
"cdwzvsj"
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"score": [
120,
44,
14,
3,
2,
4
],
"text": [
"If it is backed up by evidence, then it's is medicine, not alternative medicine. Asking for \"alternative medicine\" backed up by ... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Maggot_therapy"
],
[
"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3491681/",
"http://www.ncbi.nlm.nih.gov/pubmed/22002980",
"http://www.mayoclinic.org/medicalprofs/fecal-transplants-ddue1012.html",
"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3365524/"
... | |
64npbb | why do frisbees fly better spinning than not? | I'm not really sure and I'm curious to find out, btw this is my first time here, so sorry if I did anything wrong | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/64npbb/eli5_why_do_frisbees_fly_better_spinning_than_not/ | {
"a_id": [
"dg3ljeq",
"dg3lk28"
],
"score": [
2,
4
],
"text": [
"the spin keeps the orientation of the disk, otherwise it would flop around which would be bad. so the spin is nescessary for the gyro effect to keep them stable in that aerofoil airplane wing angle.",
"The spin stabiliz... | [] | [] | [
[],
[]
] | |
m9ip1 | the process of getting a book published | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/m9ip1/eli5_the_process_of_getting_a_book_published/ | {
"a_id": [
"c2z6jek",
"c2z9bfn",
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"c2z9bfn"
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"score": [
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2,
13,
2
],
"text": [
"First, the author writes some or all of a book. The author submits the work to various publishing companies looking for one that likes it and will buy it.\n\nIf a publisher like... | [] | [] | [
[],
[],
[],
[]
] | ||
42ply1 | Do different body parts perceive heat differently? | I'm sorry if this is a dumb question but today while eating soup the bowl was very hot when touching it with my hand but i spilled some on the outside of the bowl and I licked it with my tongue and it didn't seem as hot. Is there a reason such as nerves? Thanks! | askscience | https://www.reddit.com/r/askscience/comments/42ply1/do_different_body_parts_perceive_heat_differently/ | {
"a_id": [
"czc6oxk"
],
"score": [
2
],
"text": [
"Yes, the human body has different densities of nerve endings at different locations. Fingertips are intended for manipulating things, so they are more sensitive than say, your knee. This is also why a paper cut hurts like none other, but a simi... | [] | [] | [
[]
] | |
3u4x0o | Can you numerically analyze non-linear differential equations? | The answer I have gotten from my professor is that if you want to numerically analyze a non-linear differential equation, you mostly can't. I can understand why some won't have answers in terms of elementary functions, or even at all, but surely there must be a method to evaluate those you can? | askscience | https://www.reddit.com/r/askscience/comments/3u4x0o/can_you_numerically_analyze_nonlinear/ | {
"a_id": [
"cxckfel",
"cxcrizp"
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"score": [
6,
2
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"text": [
"I am a bit confused by your question, particular this part:\n\n > if you want to numerically analyze a non-linear differential equation, you mostly can't.\n\nActually, the non-linearity of the equation makes analysis so gen... | [] | [] | [
[],
[
"https://www.youtube.com/watch?v=NQhjAtCKghE"
]
] | |
2jo603 | why does it seem democrats support higher taxes, but republicans support lower taxes? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2jo603/eli5why_does_it_seem_democrats_support_higher/ | {
"a_id": [
"cldih8g",
"cldl7yb"
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"score": [
7,
3
],
"text": [
"That's a fundamental difference between fiscal left (Democrats) and right (Republicans, Libertarians). Left = bigger government, more regulation, more services, more taxes required. Right = lower taxes, lower regulation, req... | [] | [] | [
[],
[]
] | ||
bf91se | How did the moon landing spacesuits survive the ridiculous temperatures? | I’m not a conspiracy theorist I just need to know | askscience | https://www.reddit.com/r/askscience/comments/bf91se/how_did_the_moon_landing_spacesuits_survive_the/ | {
"a_id": [
"eleh4li"
],
"score": [
6
],
"text": [
"The short answer is that astronauts survive the cold with layers upon layers of insulation and survive the heat by reflecting most of the light that they come into contact with. That's why spacesuits are bulky and also white."
]
} | [] | [] | [
[]
] | |
6esf2m | why universal theme park has marvel rides if disney owns marvel | Doesn't that just seem weird? Aren't they in direct competition with each other? Why would Disney allow Universal to continue making money off their own property? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6esf2m/eli5_why_universal_theme_park_has_marvel_rides_if/ | {
"a_id": [
"dicowlw",
"dicp1ad",
"dicrt87"
],
"score": [
3,
10,
5
],
"text": [
"Do they? I've never been there so I don't know. But if they do have them then it's likely the same reason Fox has X Men and Sony has Spider-man. Licensing. ",
"Because those rides and characters w... | [] | [] | [
[],
[],
[
"https://www.orlandoweekly.com/Blogs/archives/2015/05/22/making-sense-of-disney-and-universals-messy-joint-custody-of-marvel"
]
] | |
536nnx | Is it true that women couldn't buy property in the US prior to 1974? | [This](_URL_0_) comment claims that women were not allowed to buy property until 1974. This is pretty surprising to me. Is this true, and if it is, why did it only happen so long after enfranchisement? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/536nnx/is_it_true_that_women_couldnt_buy_property_in_the/ | {
"a_id": [
"d7qlw68"
],
"score": [
24
],
"text": [
"Goodness gracious no. And the Equal Credit Opportunity Act referenced in that post, while it does indeed prevent discrimination on the basis of marital status, is about the extension of credit (loans), not possession of property.\n\nThat said, t... | [] | [
"https://www.reddit.com/r/AskReddit/comments/534u1n/slug/d7qd0gr"
] | [
[]
] | |
1sxmzc | What was the Native population levels in the United States before a cocktail of diseases killed 90% of the population? Was there evidence of cities, trading routes and wars? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1sxmzc/what_was_the_native_population_levels_in_the/ | {
"a_id": [
"ce2ac44",
"ce2b7qb"
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"score": [
14,
3
],
"text": [
"There were millions of American Indians in the US, though experts disagree on the exact number. \n\nThere is an abundance of evidence of cities, trade routes, and warfare both archaeologically and historically. American Ind... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Dorset_culture",
"http://www.adn.com/adn/features/indian_country/05a6.html",
"https://en.wikipedia.org/wiki/Iroquis#Expansion",
"https://en.wikipedia.org/wiki/Slavery_among_the_indigenous_peoples_of_the_Americas#Indigenous_enslavement_of_indigenous_peoples"
]... | ||
3mq8ph | what is briny water, in relation to the mars discovery? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3mq8ph/eli5what_is_briny_water_in_relation_to_the_mars/ | {
"a_id": [
"cvh4q5y"
],
"score": [
4
],
"text": [
"Briny is an adjective meaning highly salty. On Mars, pure water would immediately evaporate due to the really low air pressure. However, salty water is less prone to boiling away or freezing than pure water. Extremely salty water is the only wate... | [] | [] | [
[]
] | ||
677wl2 | If friction causes particles to heat up, why do we use fans to blow air against ourselves to cool down, and how does that work? | askscience | https://www.reddit.com/r/askscience/comments/677wl2/if_friction_causes_particles_to_heat_up_why_do_we/ | {
"a_id": [
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56,
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21,
4,
2
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"text": [
"When you sweat in still air you form a layer of saturated vapor above the skin, which eventually reaches a vapor-liquid equilibrium, meaning you can not eva... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
3orcyl | if a girl's body is "ready" to give birth once they start getting their period, why is it considered dangerous for people to do so at a young age? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3orcyl/eli5_if_a_girls_body_is_ready_to_give_birth_once/ | {
"a_id": [
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"score": [
12,
2,
3,
2,
9,
2
],
"text": [
"It's 'ready' in that it is biologically possible. Pregnancy/Birth can be dangerous or even deadly even for an adult woman. Being young ... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | ||
8fuynp | why do formula 1 drivers keep their tires warm during a safety car? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8fuynp/eli5_why_do_formula_1_drivers_keep_their_tires/ | {
"a_id": [
"dy6obgl"
],
"score": [
2
],
"text": [
"So the car can grip the road better. The tyres are constructed to work more effectively at a higher temperature. "
]
} | [] | [] | [
[]
] | ||
7p71pv | Accurate fiction set in Ancient Greece/Rome/Egypt? | I love historical fiction, but primarily read Tudor works. I'm looking to branch out into other areas of history that I enjoy.
Can anyone here recommend good historical fiction on the above or just authors in general and I can check out their work myself? Thank you!
I did google, but it's like needle in a haystack, s... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7p71pv/accurate_fiction_set_in_ancient_greeceromeegypt/ | {
"a_id": [
"dsfbgmt"
],
"score": [
2
],
"text": [
"We have a [FAQ on the historical accuracy of certain TV series, movies and videogames](_URL_1_) including [HBO's \"Rome\"](_URL_0_) which featured a portrayal of my area of study (Ptolemaic Egypt) in what I can only describe as a garbage fire but... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/wiki/historically_accurate#wiki_..._is_hbo.27s_.27rome.27.3F",
"http://www.reddit.com/r/AskHistorians/wiki/historically_accurate"
]
] | |
3tn898 | microeconomics. | Can someone explain it to a literal five year old? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3tn898/eli5microeconomics/ | {
"a_id": [
"cx7lsnx"
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"score": [
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"text": [
"Say you have 20 people who like ice cream by a varying amount. Person #1 is willing to pay $1 for a cone, person #2 is willing to pay $2 a cone because he likes it a bit more, person #3 is willing to pay $3 a cone because he likes it even more, ... | [] | [] | [
[]
] | |
882zih | why is texas so conservative compared to some other southern states? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/882zih/eli5_why_is_texas_so_conservative_compared_to/ | {
"a_id": [
"dwhfqn6",
"dwhgmnz"
],
"score": [
2,
2
],
"text": [
"Texas isn't that red any more, largely due to the demographic shift. For national level elections like president and senators, the state is only weakly right-leaning.\n\nMost of the county and state level reps are Republica... | [] | [] | [
[],
[]
] | ||
50l09k | When exactly did we start giving names to places? | A Paleolithic tribe would usually just call that River over there "the river". But do we know when humans began giving places and geographical features names, like Tigris or Euphrates of Nile? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/50l09k/when_exactly_did_we_start_giving_names_to_places/ | {
"a_id": [
"d751r3y"
],
"score": [
3
],
"text": [
"We have no way of knowing what any paleolithic tribe called anything, but all the evidence we have of the very earliest languages we can access (which are late neolithic, at best) suggests that place names were already common. In fact, some of t... | [] | [] | [
[
"http://minoablog.blogspot.com/2010/08/pre-greek-place-names-of-aegean.html"
]
] | |
38k0o8 | why people get happy when there is water on another planet, isn't it possible that aliens could live without water? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/38k0o8/eli5_why_people_get_happy_when_there_is_water_on/ | {
"a_id": [
"crvluva",
"crvmip2"
],
"score": [
6,
10
],
"text": [
"Life **as we know it** is much much more likely in the presence of water. Could life exist that is nothing like what we know? Sure it could ... but we wouldn't know what to look for, and might not even recognize it as life ... | [] | [] | [
[],
[]
] | ||
pywbv | Could being a homosexual in anyway be a humans defense mechanism against overpopulation? | I'm just wondering if there could be any connection between the two. Is homosexuality common in nearly extinct species? If not, could it be possible that homosexuality is a genetic trait that only kicks on when we realize that as a species, we don't need to produce anymore for the time being? | askscience | http://www.reddit.com/r/askscience/comments/pywbv/could_being_a_homosexual_in_anyway_be_a_humans/ | {
"a_id": [
"c3tczqx",
"c3td252"
],
"score": [
2,
3
],
"text": [
"No, anything that negatively affects reproductive fitness cannot be selected for. \n\nThe most popular hypothesis currently to explain the incidence of homosexuality in humans is the gay uncle/gay aunt hypothesis. By helpin... | [] | [] | [
[],
[]
] | |
athffn | if earth and every planet is falling towards our sun, and our solar system is falling towards our galactic center, where is our entire galaxy falling towards, and if it isn’t falling, what force is holding it up? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/athffn/eli5_if_earth_and_every_planet_is_falling_towards/ | {
"a_id": [
"eh1019s",
"eh11uxm",
"eh121l7"
],
"score": [
2,
10,
2
],
"text": [
"There is no force holding anything celestial up. It is merely floating in a vacuum, space. Gravity is the force binding everything together, which is ultimately responsible for the current shape of the... | [] | [] | [
[],
[],
[]
] | ||
3szbn4 | why are people so politically charged? | What is the psychology behind people going on political rants, specifically on the internet? Why do they feel such a connection to one side of the political spectrum?
How does yelling at someone who feels differently about you convince them to believe what you believe? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3szbn4/eli5_why_are_people_so_politically_charged/ | {
"a_id": [
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"score": [
3,
16,
12,
4,
2,
2,
2
],
"text": [
"To me, having some political stances is better than no stance. \nWe need to stop voting based on who has a chanc... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | |
eb9ou0 | why does it hurt more to drink cold water after having menthol of some kind? can it actually hurt the throat? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/eb9ou0/eli5_why_does_it_hurt_more_to_drink_cold_water/ | {
"a_id": [
"fb3cdgz"
],
"score": [
11
],
"text": [
"Menthol actually activates the same receptors in your mouth and throat that sense cold, and it sticks to these receptors for a while. So everything cold that you drink or eat afterwards seems even colder. When things are very cold the cold sensa... | [] | [] | [
[]
] | ||
2qmoqd | Why does water become vapor at room temperature and 1 atm when the phase diagram for water does not allow for it? | I recently took a job in aerospace (woo!) but I graduated with a minor in geology. I never studied atmosphere and weather in school, but now I need to learn everything about weather in two weeks.
Ive only studied crystal phase diagrams and in the [crystal diagram phase for water](_URL_0_) there is no allowance for va... | askscience | http://www.reddit.com/r/askscience/comments/2qmoqd/why_does_water_become_vapor_at_room_temperature/ | {
"a_id": [
"cn87mxd"
],
"score": [
2
],
"text": [
"Under normal ambient conditions, liquid water exists in a thermodynamic equilibrium with its vapour state; some molecules will escape the surface into the atmosphere. The pressure of the vapour over the liquid at equilibrium is called the (vapou... | [] | [
"http://en.wikipedia.org/wiki/Phase_diagram#Crystal_phase_diagrams"
] | [
[
"http://en.wikipedia.org/wiki/Vapor_pressure"
]
] | |
ag5ryd | headphone specs often include impedance and sensitivity. what do they mean, and how much does it affect my listening experience? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ag5ryd/eli5_headphone_specs_often_include_impedance_and/ | {
"a_id": [
"ee3tb2x"
],
"score": [
5
],
"text": [
"Sensitivity tells you how much sound they'll develop for a given amount of power from the source. If you're plugging into a mains powered amp that has plenty of power, poor sensitivity won't affect your listening experience. You can just turn the... | [] | [] | [
[]
] | ||
wrkz2 | diff between having an engine at the front or the back? | Effect on force/speed and also on steering/navigating. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/wrkz2/eli5diff_between_having_an_engine_at_the_front_or/ | {
"a_id": [
"c5fvkdc",
"c5fvrlj"
],
"score": [
2,
5
],
"text": [
"It doesn't make much of a difference, apart from weight distribution (the engine is one of the heaviest part of a car).\n\nIt's important not to confuse having the engine in the front or back of the car, with having front wh... | [] | [] | [
[],
[]
] | |
2fvx4t | why children will sometimes intentionally aggravate their parents to the point where they lose their temper. | This is not a glimpse into my personal hell. My kid is generally good. But there are times when she intentionally goads me or her mom into losing it. I know she's doing it so can generally mange it but I'm left at times wondering 'why are you doing this?' | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2fvx4t/eli5why_children_will_sometimes_intentionally/ | {
"a_id": [
"ckd91n8",
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"text": [
"Children (and people in general) keep trying to find the boundaries of what is acceptable behavior.\n\nIf no boundaries are presented, the child will keep pushing until he or she reaches a boundary. In this case, when the p... | [] | [] | [
[],
[]
] | |
1zk326 | Why does diabetes cause the build up of ketone bodies? | If diabetes is the lack of insulin production or insulin resistance, then surely blood glucose levels are elevated. So what need is there for the body to form ketone bodies (as I understand it, ketone bodies are formed in the process of fatty acid metabolism where there are low glucose levels in the blood). There's pro... | askscience | http://www.reddit.com/r/askscience/comments/1zk326/why_does_diabetes_cause_the_build_up_of_ketone/ | {
"a_id": [
"cfug60x"
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"score": [
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"text": [
"Diabetes is either caused by a decreased amount of insulin (Type I) or that cells have a decreased sensitivity for insulin (Type II). The reason glucose levels are so high in diabetes is because insulin is needed for cells to uptake glucose and u... | [] | [] | [
[]
] | |
16oyhd | do historians mean something different then normal people when they use the word "racism"? | recently I got into an argument with a guy who insisted that when all academics (including historians) use the word racism they are talking about a "pre-existing power differential..." (between races) "...being abused", as opposed to how normal people use it to mean "The belief that all members of each race possess ch... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/16oyhd/do_historians_mean_something_different_then/ | {
"a_id": [
"c7y1qfk",
"c7y1y2m"
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"score": [
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2
],
"text": [
"I'm not a historian, so I'm not really familiar with what their literature would say, but coming from an anthropological background I'd say that neither really fits. \"Racism\" certainly has elements of power and power diffe... | [] | [] | [
[
"http://www.aaanet.org/stmts/racepp.htm"
],
[]
] | |
255fjj | are there any other countries similar to north korea in terms of seclusion and secrecy? | North Korea seems to be unique in the way it operates with so much propaganda and brainwashing. Plus the death camps and famine that are occuring. Are there any countries similar in any way to North Korea? I have to believe that propaganda is happening elsewhere but are there other places where they kidnap their own ci... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/255fjj/eli5_are_there_any_other_countries_similar_to/ | {
"a_id": [
"chdvabj",
"chdvr7e",
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"score": [
9,
4,
2,
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"text": [
"Turkmenistan is pretty bad, especially under their old leader Niyazov. He did really crazy stuff like renaming the months after his family members, writing a book and forcing every... | [] | [] | [
[],
[],
[
"http://www.reuters.com/article/2011/01/24/us-syria-rights-idUSTRE70N5S620110124",
"http://www.hrw.org/world-report/2014/country-chapters/iran?page=2",
"http://www.hrw.org/reports/2012/02/28/no-justice-bahrain-0"
],
[]
] | |
7u08by | To what extent was the Bundeswehr a successor to the wehrmacht? What changes were made to the culture, structure and organization? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7u08by/to_what_extent_was_the_bundeswehr_a_successor_to/ | {
"a_id": [
"dth4fhm"
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"score": [
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"text": [
"The Bundeswehr to this day is very much somewhere between haunted and inspired by its predecessor, the German Wehrmacht of 1935-1945.\n\n---\n\nContext block ahead, just skip if you're decently knowledgable about German history between 1945-1955... | [] | [] | [
[]
] | ||
17ynnk | Why wasn't there more than one "Library of Alexandria" | You would think the prestige that comes with being such a center of knowledge and learning would have caused copycat systems all over the mediterranean. Was there any particular reason why the idea of copying works en masse never caught on elsewhere? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/17ynnk/why_wasnt_there_more_than_one_library_of/ | {
"a_id": [
"c8a0nt4"
],
"score": [
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],
"text": [
"There were plenty of libraries around the ancient Mediterranean. One of the most famous other Hellenophone ones was [the Athenaion at Pergamon.](_URL_0_) (In fact legend has it that the use of parchment was popularised at Pergamon when export of ... | [] | [] | [
[
"http://3.bp.blogspot.com/_aCl2wb4vz5A/TJUNmK67E0I/AAAAAAAAALY/qlNU9JNF9x8/s1600/Pages+from+07-04-08+Pergamum+Library+Presentation-3.jpg"
]
] | |
5roio9 | Is our galaxy on a stable axis? | Watching [this video](_URL_0_), I started to wonder, if a rotating object in zero-G is on an unstable axis, the object will rotate on a different intermediate axis to try and correct the instability.
Does the Milky Way Galaxy also rotate like this? Does a lack of rotation suggest a stable axis? | askscience | https://www.reddit.com/r/askscience/comments/5roio9/is_our_galaxy_on_a_stable_axis/ | {
"a_id": [
"dd8x1j3"
],
"score": [
13
],
"text": [
"although I can't give a definite answer on whether it would have an unstable axis or not, the so-called tennis racket theorem demonstrated in the above video only applies to rigid objects, while the Milky Way is fluid and rotating inconsistently... | [] | [
"https://www.youtube.com/watch?v=1n-HMSCDYtM"
] | [
[]
] | |
a5e99y | Did ancient Rome have a rodent problem? | Rome is plagued by mice even now, was this an issue in the days of the republic / empire? How did people of the past deal with rodents? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/a5e99y/did_ancient_rome_have_a_rodent_problem/ | {
"a_id": [
"ebm617z"
],
"score": [
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"text": [
"Great question, and it's a matter of historical, archaeological, and epidemiological importance. Until recently, the prevailing view was that rats were introduced after the Roman Empire, but that view is changing.\n\n > Until recently, there were... | [] | [] | [
[
"https://www.jstor.org/stable/3656705",
"https://www.jstor.org/stable/4238709?Search=yes&resultItemClick=true&searchText=roman&searchText=grain&searchText=fleets&searchUri=%2Faction%2FdoBasicSearch%3FQuery%3Droman%2Bgrain%2Bfleets",
"https://www.jstor.org/stable/1447",
"https:/... | |
4qz2ed | at fast food drive thru places where they have multiple lanes for ordering, how do they know which car is which when they get to pay/collect food? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4qz2ed/eli5_at_fast_food_drive_thru_places_where_they/ | {
"a_id": [
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"score": [
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"text": [
"Generally, the order in which the orders are placed will be the same as the order the cars pull up to the window. As soon as your order is complete, you'll be pulling forward, and therefore next in line. If two finish at the same time, there is a... | [] | [] | [
[]
] | |
3l97gi | Sabotage in America during WWII? | Are there recorded instances of sabotage in the United States mainland during WWII from either the Germans or Japanese? If so, are there demographics to backup the saboteurs and their nationality and/or heritage?
| AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3l97gi/sabotage_in_america_during_wwii/ | {
"a_id": [
"cv4b4rp"
],
"score": [
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],
"text": [
"The major attempt was Operation Pastorious. When the continuously and possibly intentionally inept German Abwehr Intelligence Agency sent 8 Saboteurs aboard 2 U-Boats to the US to bomb rail lines, dams, and power plants in June 1942.\n\nIt was a ... | [] | [] | [
[]
] | |
7y7jpk | Would Koko, the sign-language speaking gorilla, have been able to translate what a different, non-signing gorilla was saying? | askscience | https://www.reddit.com/r/askscience/comments/7y7jpk/would_koko_the_signlanguage_speaking_gorilla_have/ | {
"a_id": [
"duet85k",
"duhs2kb",
"duke67c"
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"score": [
35,
3,
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],
"text": [
"Define 'saying'. Koko may be able to sign that another gorilla is angry, but gorilla interpersonal communication consists mainly of body language, and getting a *gorilla* to interpret that for a *human... | [] | [] | [
[],
[],
[
"http://www.slate.com/articles/health_and_science/science/2014/08/koko_kanzi_and_ape_language_research_criticism_of_working_conditions_and.html"
]
] | ||
8dj0nl | how do people raise money by walking across a country/cycling around the world/ climbing mount something / go q month without eating chocolate for charity | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8dj0nl/eli5_how_do_people_raise_money_by_walking_across/ | {
"a_id": [
"dxninq0",
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"score": [
3,
3
],
"text": [
"They use it as a publicity stunt to get people to donate to their cause. It’s rarely very effective compared to say, just working your actual job and donating the money yourself. ",
"It's basically the same thing as ask... | [] | [] | [
[],
[]
] | |
7nlgkw | Why is Mandarin so different from other Chinese languages? | I tried asking r/asklinguistics, but it's pretty much a dead sub so here goes.
Why is the lexicon and grammar of modern Mandarin Chinese so markedly different from that of old Chinese, while apparently so much is preserved in, for example, Cantonese and Hokkien?
Korean and Japanese also seems to have preserved archai... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7nlgkw/why_is_mandarin_so_different_from_other_chinese/ | {
"a_id": [
"ds38985",
"ds3m0jw"
],
"score": [
2,
13
],
"text": [
"/r/asklinguistics may be a dead sub, but /r/linguistics is very much alive. If you don't get a satisfactory answer here, try asking in their [stickied Q & A thread](_URL_0_)",
"Let's start by addressing what exactly are... | [] | [] | [
[
"https://www.reddit.com/r/linguistics/comments/7nf23h/this_weeks_qa_thread_please_read_before_asking_or/"
],
[]
] | |
qxx3a | How do ferrite cores work? | I work in a design firm that does catalogs for a company that makes ferrite cores. I have to make a cover for a catalog and the customer has pretty much requested that we do whatever we want. I wanted to do something special but I honestly don't even know what these things are for, how they would be put into practice, ... | askscience | http://www.reddit.com/r/askscience/comments/qxx3a/how_do_ferrite_cores_work/ | {
"a_id": [
"c41c5ft",
"c41gjz9"
],
"score": [
2,
2
],
"text": [
"Ferrite cores are used to make [inductors](_URL_0_).",
"It's simple, really -- many kinds of electronic circuits have reactive devices, example capacitors and inductors. Reactance is the imaginary component of a complex... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Inductor"
],
[
"http://i.imgur.com/AoVuq.png"
]
] | |
a1fh7f | Did medieval people celebrate their birthdays? Did they know them? | And was it different between different classes?
I am thinking of Europeans, but honestly I'd be happy to hear about people from any part of the world. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/a1fh7f/did_medieval_people_celebrate_their_birthdays_did/ | {
"a_id": [
"eaqp0bn"
],
"score": [
21
],
"text": [
"Not to discourage further discussion, but [here’s](_URL_0_) a bit by u/fancyfreecb on the European/Christian practise of “namedays”, then a seperate bit by u/DangerCosmo on pagan and Greek/Roman practises. The first covers the medieval period o... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/4hyoub/were_birthdays_celebrated_as_widely_in_the_past/?st=JP32CZ99&sh=206845b0"
]
] | |
icy6m | How big would the Earth be if its atoms were as compact as possible? | I'm trying to understand how large an atom is - and how much of it is comprised of "dead space" (I apologize, I don't know the scientific term).
I know this isn't physically possible, but let's say Earth was comprised of just protons and neutrons packed as densely as you could pack them; how large would the planet E... | askscience | http://www.reddit.com/r/askscience/comments/icy6m/how_big_would_the_earth_be_if_its_atoms_were_as/ | {
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15,
23,
3,
2
],
"text": [
"If the mass of the earth were compressed into a sphere of radius ~1 cm it would be black hole. So just bigger than that I suppose is how tightly you could p... | [] | [] | [
[],
[
"http://www.wolframalpha.com/input/?i=mass%20of%20the%20earth%2Fmass%20of%20a%20neutron&t=crmtb01"
],
[
"http://www.wolframalpha.com/input/?i=Schwarzschild+radius&f1=earth&x=10&y=6&f=EventHorizonRadius.M_earth&a=*FVarOpt.1-_**-.***EventHorizonRadius.Q--.**EventHorizonRadi... | |
14jesn | Is synthesizing petroleum, or a compound with similar properties, theoretically viable? Is it being researched, and if it is, what is the current status? | askscience | http://www.reddit.com/r/askscience/comments/14jesn/is_synthesizing_petroleum_or_a_compound_with/ | {
"a_id": [
"c7dq7c5"
],
"score": [
6
],
"text": [
"Yes. There's no problem synthesizing the hydrocarbons that make up gasoline. \n\nDoing so in a manner that's cheaper than pumping out of the ground and refining it? No, we've not figured out how to do that yet.\n"
]
} | [] | [] | [
[]
] | ||
f4lhbb | how is it animals, specially predators, have such strong muscles? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f4lhbb/eli5_how_is_it_animals_specially_predators_have/ | {
"a_id": [
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"score": [
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13,
4,
3,
2
],
"text": [
"Besides natural selection, an interesting thing about evolution is that the more an organism depends on a certain organ the more that organ develops in order... | [] | [] | [
[],
[],
[],
[],
[]
] | |
qh8h4 | what this company actually do? _url_0_ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/qh8h4/eli5_what_this_company_actually_do_httpwwwndscom/ | {
"a_id": [
"c3xlacj",
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"score": [
2,
5
],
"text": [
"They sell software that makes delivering paid TV channels to customers safer.",
"They are primarily a technology provider for cable/satellite TV services.\n\nSo let's say you're starting up a new cable TV service. You've... | [
"http://www.nds.com/"
] | [] | [
[],
[]
] | ||
5jvaqo | why is isis so hard to find and defeat? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5jvaqo/eli5_why_is_isis_so_hard_to_find_and_defeat/ | {
"a_id": [
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"score": [
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3,
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"text": [
"You can launch as many air strikes as you want, eventually you're going to need a ground army to go in and flush them out. The ground forces that have been battling ISIS for the last four years are a c... | [] | [] | [
[],
[],
[]
] | ||
f52eu2 | How do birds keep themselves clean ? | Watching Our Planet on netflix , it struck me that the flamingos are remarkably clean, seeing as they generally only have access to salt water in these far flung places and are always surrounded by mud, I would not have expected that.
Would an ornithologist care to explain ? :) | askscience | https://www.reddit.com/r/askscience/comments/f52eu2/how_do_birds_keep_themselves_clean/ | {
"a_id": [
"fhzw114"
],
"score": [
3
],
"text": [
"When you spend time birdwatching, you realise most of them spend an huge amount of time cleaning themselves or each other. \n\n\nThey pick parasite with their beak, organise their feathers with beak and saliva, and some of them (mostly water bir... | [] | [] | [
[]
] | |
9ph5cq | why does a passing vehicle's sound go from a high to a low note | For example it always goes "Weeeee oooooohhhh" why does it not sound like "Oooooooh weeee" | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9ph5cq/eli5_why_does_a_passing_vehicles_sound_go_from_a/ | {
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"score": [
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63,
5,
2,
3
],
"text": [
"It's a doppler effect. Sound is higher when the wavelengths are shorter, so when the car is coming towards you it pushes the air towards you and gets a boos... | [] | [] | [
[],
[
"https://youtu.be/h4OnBYrbCjY"
],
[],
[],
[
"https://i.ytimg.com/vi/ip3kd6sErW4/maxresdefault.jpg"
]
] | |
164oe9 | What is the most efficient/powerful movement the human body can perform? | In an attempt to be brief: I'm working with a group that makes human-powered devices for post harvest processing. Threshers, winnowers, grinders, etc.
Some of them are small enough to be powered by a simple hand crank, some are quite large and require one or even two people using foot (bicycle) power.
**And so the ... | askscience | http://www.reddit.com/r/askscience/comments/164oe9/what_is_the_most_efficientpowerful_movement_the/ | {
"a_id": [
"c7spoqt",
"c7srrj5",
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"score": [
55,
5,
6
],
"text": [
"Cycling is generally the best way to harness sustained power from a person. An average value for sustained power this way is 125 W (1/6 hp), but obviously there is a large variation in people's power ... | [] | [] | [
[
"http://users.frii.com/katana/biketext.html"
],
[],
[]
] | |
6b9h8x | In Pancreatic Islet Transplants, what is stopping the transplanted islets from being destroyed again? | I was reading[ an article about transplanting the Islets of Langerhans](_URL_0_), this question popped in my head and I couldn't find an answer myself. | askscience | https://www.reddit.com/r/askscience/comments/6b9h8x/in_pancreatic_islet_transplants_what_is_stopping/ | {
"a_id": [
"dhky785"
],
"score": [
5
],
"text": [
"After the procedure the patient is given immunosuppressive drugs to stop the immune system from doing exactly that. It's worth noting in that study they switched immunosuppressive drugs because the first one was causing the patient to lose her ha... | [] | [
"https://www.reddit.com/r/science/comments/6azvsx/in_a_clinical_first_researchers_demonstrate_that/"
] | [
[]
] | |
9odel3 | what would a bank gain from putting my money in a savings account vs. a checking account with them? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9odel3/eli5_what_would_a_bank_gain_from_putting_my_money/ | {
"a_id": [
"e7t68j0",
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],
"score": [
3,
10,
2
],
"text": [
"Savings account generally imply you are going to leave it in there for extended periods, giving them more capital to loan and gain additional funds from. ",
"You're limited by how many transactions... | [] | [] | [
[],
[],
[]
] | |
2pwva9 | what actually happens to your body when you get kocked out? how does it happen? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2pwva9/eli5_what_actually_happens_to_your_body_when_you/ | {
"a_id": [
"cn0rgt0"
],
"score": [
7
],
"text": [
"If you get hit really hard in the head it causes your head to accelerate, and your brain along with it. Your head then hits the inside of your skull and can bounce around (not like a tennis ball obviously, it's pretty firmly attached, but enough ... | [] | [] | [
[]
] | ||
b97jr2 | Did Free Market Capitalism cause the great depression? | In my history class right now we are learning about Herbert Hoover and booming 20's. The book is saying that free market capitalism caused the great depression and mentions things like Easy credit, Overproduction, stock market crash. I was just wondering if it would be accurate to say that free market capitalism caused... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/b97jr2/did_free_market_capitalism_cause_the_great/ | {
"a_id": [
"ek2tso4",
"ek3xurt"
],
"score": [
2,
2
],
"text": [
"You may be interested [in this earlier comment](_URL_0_) by u/Integralds on the economics profession's view of the Friedman-Schwartz hypothesis, that the US's Federal Reserve unintentionally and unknowingly caused the Great ... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/2ghqdd/im_reading_milton_friedmans_capitalism_and/ckjmkat?utm_medium=android_app&utm_source=share"
],
[
"https://www.reddit.com/r/AskHistorians/comments/8hhqi2/what_caused_the_great_depression_from_an_economic/dyk1gfw/"
]
] | |
381q0c | How come so many contemporary English words about spycraft are French words? (espionage, sabotage, reconnaissance, coup, rogue, etc...) | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/381q0c/how_come_so_many_contemporary_english_words_about/ | {
"a_id": [
"crrqkq5",
"crrzotm"
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"score": [
383,
310
],
"text": [
"For a few hundred years, the English court all spoke French. Because of this, the English language absorbed thousands of French terms through this period. So, words that would have been the concern of those in power are ... | [] | [] | [
[
"http://amzn.com/1611450071",
"http://www.academie-francaise.fr/",
"http://amzn.com/0380715430",
"http://historyofenglishpodcast.com/"
],
[
"http://www.etymonline.com/index.php?term=sabotage",
"http://www.merriam-webster.com/dictionary/espionage",
"http://etymonline.com/index.php?t... | ||
1sbvy2 | what happens to all the single-use throwaway accounts on reddit? | Do they ever get recycled?
How many of the registered users of Reddit are throwaways? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1sbvy2/eli5_what_happens_to_all_the_singleuse_throwaway/ | {
"a_id": [
"cdvyp6p"
],
"score": [
3
],
"text": [
"They don't get recycled--there would be no point and it's not worth the risk since it could be a security issue if someone used their real information to register for a throwaway. "
]
} | [] | [] | [
[]
] | |
278koq | what does a president do all day? | Do they just stamp papers all day with an official POTUS stamp or do they attend meetings with other leaders or what? Do they get days off? Are they allowed to go anywhere without security? Questions like that. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/278koq/eli5_what_does_a_president_do_all_day/ | {
"a_id": [
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"chymwql",
"chyp3ad"
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"score": [
2,
27,
21,
4,
2,
7,
29
],
"text": [
"Dude, have you not seen the West Wing? He has loads of clever and inspirational and witty conversations and the... | [] | [] | [
[],
[
"http://www.whitehouse.gov/schedule"
],
[],
[],
[],
[],
[]
] | |
fran3t | From Normandy to Kiev, Sicily to Ireland; Germanic settlers/Nobility assimilated to local customs & languages; Why was Anglo-Saxon settlement of Britain different? | Is it as simple as there just being more settlers in Angland that they didn't need to settle with Britons? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/fran3t/from_normandy_to_kiev_sicily_to_ireland_germanic/ | {
"a_id": [
"fm38x15"
],
"score": [
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],
"text": [
"PART 1\n\nThere's a lot of debate about the exact nature of the Anglo-Saxon takeover of what is now England, so I'll present some of that and then give my take on it in the hope that it helps to answer your question.\n\nThe classic version of eve... | [] | [] | [
[]
] | |
btxiij | is the fastest sperm to reach and fertilise the egg necessarily the fittest or healthiest? if not, what usually determines its success? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/btxiij/eli5_is_the_fastest_sperm_to_reach_and_fertilise/ | {
"a_id": [
"ep427it",
"ep42i4s",
"ep48rza",
"ep4adag"
],
"score": [
4,
11,
9,
7
],
"text": [
"Luck, a hehehehehell lot of luck. The first ones to reach the egg usually die penetrating it.",
"Mostly luck. It's not necessary fittest or healthiest of all, because most spe... | [] | [] | [
[],
[],
[],
[]
] | ||
awwxua | the different kinds of bbq across the united states. how do they differ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/awwxua/eli5_the_different_kinds_of_bbq_across_the_united/ | {
"a_id": [
"ehpqkzf"
],
"score": [
3
],
"text": [
"It's all about the meat and the sauce. There are dozens of varieties, but the four major ones are:\n\nCarolina Style: Pork, basted with either vinegar-based sauce (North) or Mustard-based sauce (South)\n\nKansas City: Pork or beef, dry rubbed,... | [] | [] | [
[]
] | ||
4z1utt | why were computers not considered commonplace in households until windows 95? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4z1utt/eli5_why_were_computers_not_considered/ | {
"a_id": [
"d6s5f51",
"d6s74qd",
"d6s75ad"
],
"score": [
14,
7,
2
],
"text": [
"It happened to be good timing with the internet becoming more well known. You had a GUI based OS, you didn't need to know DOS. Also, that was when computers started really coming down in price.\n\nWh... | [] | [] | [
[],
[],
[
"http://www.bls.gov/opub/ted/1999/apr/wk1/art01.htm"
]
] | ||
flrj1 | When you apply light pressure to your eye for an extended period of time (ex. sleeping on your face), why is your vision blurred for several minutes afterwards? | My best uneducated conclusion is that my eye temporarily changes shape, is that right? | askscience | http://www.reddit.com/r/askscience/comments/flrj1/when_you_apply_light_pressure_to_your_eye_for_an/ | {
"a_id": [
"c1gv7xq",
"c1gw725"
],
"score": [
4,
4
],
"text": [
"Your eye primarily focuses using either the cornea or the lens. Your cornea (which is a specialization continuous with the fibrous outer part of your eye called the sclera) does most of the refraction that brings light into ... | [] | [] | [
[],
[]
] | |
199xe8 | Between the years 1812 to 1914, how would the U.S army have fared against a stereotypical European army? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/199xe8/between_the_years_1812_to_1914_how_would_the_us/ | {
"a_id": [
"c8m4iz7"
],
"score": [
2
],
"text": [
"This is essentially a question of speculation and there is truly no way a historian could answer this. However, there have been users who have written comparisons between the US Army and European armies during the late 19th century. You can find ... | [] | [] | [
[
"http://www.reddit.com/r/AskHistorians/comments/15sx12/how_did_the_unionconfederate_army_compare_to_the/",
"http://www.reddit.com/r/AskHistorians/comments/17tovc/how_would_us_troops_in_the_civil_war_era_have/"
]
] | ||
2tc52g | How did whale intermediates have an evolutionary advantage? | There is overwhelming evidence that whales evolved from land animals. I took [this](_URL_0_) to be a valuable source. It tells of intermediates living in Bays and estuaries. But how and why did whales go in to the open ocean? Would they not have had a disadvantage to fish who had already had millions of years of evolut... | askscience | http://www.reddit.com/r/askscience/comments/2tc52g/how_did_whale_intermediates_have_an_evolutionary/ | {
"a_id": [
"cny0qli",
"cny2i7l",
"cny6gbh"
],
"score": [
6,
3,
3
],
"text": [
"Fish are cold-blooded.\n\nThere are some minor exceptions; large predatory fish such as tuna are often slightly warm-blooded, but not as warm as a mammal. This is also why there are no pocket-sized whal... | [] | [
"http://evolution.berkeley.edu/evolibrary/article/evograms_03"
] | [
[],
[],
[]
] | |
wycpm | I had knee surgery last year, why is it every time its about to rain, my knee aches so bad? | askscience | http://www.reddit.com/r/askscience/comments/wycpm/i_had_knee_surgery_last_year_why_is_it_every_time/ | {
"a_id": [
"c5hiz5h"
],
"score": [
9
],
"text": [
"Your doctor should have explained to you one of the results of surgery is the joint joint sheath is broken (the medical term is, I believe synovial sheath). \n\nAs pressure goes down, the pressure in your joint changes. This causes ache or soren... | [] | [] | [
[]
] |
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