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54e7yn
why do major space photography instruments like the one on hubble produce black and white images, which have to be coloured afterwards?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/54e7yn/eli5_why_do_major_space_photography_instruments/
{ "a_id": [ "d813wmv" ], "score": [ 9 ], "text": [ "All camera sensors are monochrome, but typical off-the-shelf cameras have a built in bayer-matrix in front of them:\n\n < _URL_1_;\n\nThe Hubble approach is more flexible and efficient. It uses RGB filters to produce approximately true-colour ima...
[]
[]
[ [ "https://upload.wikimedia.org/wikipedia/commons/thumb/6/68/Pillars_of_creation_2014_HST_WFC3-UVIS_full-res_denoised.jpg/982px-Pillars_of_creation_2014_HST_WFC3-UVIS_full-res_denoised.jpg&gt", "https://en.wikipedia.org/wiki/Bayer_filter&gt" ] ]
wxln8
The opposite of travelling at the speed of light...
Hey, I can finally wrap my head around space-time relativity and how travelling faster will make the time go slower. As you go faster time slows down and as you reach the speed of light time ceases to exist. But what's the opposite of this? What if I keep going slower and slower and finally stop travelling in space, w...
askscience
http://www.reddit.com/r/askscience/comments/wxln8/the_opposite_of_travelling_at_the_speed_of_light/
{ "a_id": [ "c5hchkh", "c5hd0ss", "c5hd47z" ], "score": [ 5, 4, 3 ], "text": [ "I am relatively confident that your question does not make sense. See this previous answer to why [nothing can go faster than light.](_URL_0_)", "You're always perfectly stationary in space *in your...
[]
[]
[ [ "http://www.reddit.com/r/askscience/comments/fjwkh/why_exactly_can_nothing_go_faster_than_the_speed/" ], [], [] ]
qvttt
who controls the cia?
And how do we really know if their acting in the best interests of the united states? What if a branch of the CIA was working with a 3rd party nation or a big corporation against our benefit? I've read stories, heard podcasts that accuse them of bringing in drugs to the US to raise untraceable cash, for example. Also: ...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/qvttt/elif_who_controls_the_cia/
{ "a_id": [ "c40x9v4" ], "score": [ 4 ], "text": [ "Leon Panetta is the most recent former head of the CIA. He was the Chief of Staff for Bill Clinton and is currently the Secretary of Defense. \n\nDavid Petraeus is the current head of the CIA. Prior to that, he was a 4-star US Army general and he...
[]
[]
[ [] ]
3h5tcv
How did the Soviet Union react to being portrayed as the villains in so many American action films (especially the James Bond series)?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/3h5tcv/how_did_the_soviet_union_react_to_being_portrayed/
{ "a_id": [ "cu4px0c", "cu4t3ra", "cu5079z" ], "score": [ 68, 7, 2 ], "text": [ "Well the Soviet Union really are not the bad guys in the Bond series. They are either not Soviet at all or rogue soviet agents working against both the West and the USSR. I can't think of a bond film w...
[]
[]
[ [], [], [ "https://www.reddit.com/r/AskHistorians/comments/2zdh3d/comparecontrast_the_soviet_unions_internal_use_of/", "https://www.reddit.com/r/AskHistorians/comments/2pfjyr/we_had_a_red_dawn_was_there_ever_an_equivalent/", "https://www.reddit.com/r/AskHistorians/comments/2mq4fv/im_not_entirely_sur...
3jbu8y
how does the white ball pass through the chute during a game of paid pool on a scratch, but the other balls won't?
I've never understood how a white ball is able to pass through, yet when a solid or striped ball is hit into the pocket, it cannot pass through. Is there a weight difference?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3jbu8y/eli5_how_does_the_white_ball_pass_through_the/
{ "a_id": [ "cunxi4r" ], "score": [ 5 ], "text": [ "The cue ball is slightly smaller diameter. There for its the only one that can make it through the passage. \n\n\nEdit: clarity. " ] }
[]
[]
[ [] ]
1nufj1
the terms for male and female animals
OK, I live and work with Cattle, and I understand the difference between a bull, a cow, a steer, etc. And I hunt, so I know that these terms apply to moose as well. But not deer, which use Buck, Doe, Fawn, etc. Why? It would seem that moose and deer are more closely related and therefore would share terms instead of ...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1nufj1/eli5_the_terms_for_male_and_female_animals/
{ "a_id": [ "ccm55tj" ], "score": [ 4 ], "text": [ "The terms were not developed by people familiar with the evolutionary descent of the animals. It is just a colloquial method of referring to them, it doesn't have to make sense." ] }
[]
[]
[ [] ]
971z8z
how rare steak doesn't make you sick
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/971z8z/eli5_how_rare_steak_doesnt_make_you_sick/
{ "a_id": [ "e44v3r4", "e44vagn" ], "score": [ 4, 17 ], "text": [ "Theres more bacteria in a rare steak than a well done one. However even well done will still not be sterile. A healthy human can typically cope with the level of bacteria in a rare steak. This is why the elderly and those w...
[]
[]
[ [], [] ]
46cd6u
Did British conceptions of sexuality, gender and gender roles spread through colonial governments? If so, how?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/46cd6u/did_british_conceptions_of_sexuality_gender_and/
{ "a_id": [ "d04jqkd" ], "score": [ 3 ], "text": [ "Yes, certainly. One of the most prominent examples was New York. Under Dutch law, women could inherit property and money. In English law, women's property became their husband's property in the event of marriage. After the British took over the c...
[]
[]
[ [] ]
3e3etn
What were the rules for claiming "sanctuary" in a church to prevent arrest and/or prosecution for a crime?
Did this originate in European Christendom, or did it have precedent before? Could I claim "sanctuary" for any crime or arrest, or did it have to fall inside a set of guidelines? Could the church decide to simply kick you out, if they wanted?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/3e3etn/what_were_the_rules_for_claiming_sanctuary_in_a/
{ "a_id": [ "ctblpq8" ], "score": [ 6 ], "text": [ "I can only attempt at an answer for the first part of your question: though likely to have developed earlier, the practice of treating churches as \"sanctuaries\" was noted by Augustine as something \"novel\" (*de cit. dei.* I.7) and remarkable d...
[]
[]
[ [] ]
64vtp9
why do video games have leftover or unused content in the data? is there a purpose in leaving it in?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/64vtp9/eli5_why_do_video_games_have_leftover_or_unused/
{ "a_id": [ "dg5fprm", "dg5luda", "dg5my5n", "dg5phjt", "dg5szfp", "dg5uubw", "dg5v6tr", "dg5x3pj", "dg640b5", "dg6a00f", "dg6axbh", "dg76u84" ], "score": [ 363, 52, 616, 26, 11, 6, 3, 5, 2, 3, 60, 2 ], "text": [ ...
[]
[]
[ [], [], [], [], [], [], [], [], [], [], [], [] ]
37t1ha
after drawing over pencil lines with pen or permanent marker - how can the pencil underneath still be erased?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/37t1ha/eli5_after_drawing_over_pencil_lines_with_pen_or/
{ "a_id": [ "crpp3ix" ], "score": [ 3 ], "text": [ "I'm not a clever man but i'll take a stab at it.\n\nPaper is porous. It is made up of lots of little fibres. Despite looking flat and smooth, this is what paper looks like under a microscope:\n\n* _URL_3_\n\nThe drawing end of a pencil is made up...
[]
[]
[ [ "http://i.imgur.com/S9Tl99w.jpg", "http://i.imgur.com/zb4ffTr.jpg", "http://i.imgur.com/03b6JHw.jpg", "http://i.imgur.com/j6wXay6.png", "http://i.imgur.com/f5mFBDI.jpg" ] ]
3y7s7j
how do writers, directors, game companies, etc... keep their projects and progress secret for so long?
Who knows how long the Star Wars movie was in the making. Many games take 3-4 years to see the light of day, and maybe some books too. You'f think that if anything gets stored in a PC it could get hacked by some avid fan, or someone working inside could be bribed.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3y7s7j/eli5_how_do_writers_directors_game_companies_etc/
{ "a_id": [ "cybaru0", "cybbpw4", "cybgh2b" ], "score": [ 23, 5, 2 ], "text": [ "They employ people who know how to keep their mouth shut. \n\nThose who do need to talk keep the discussion to a minimum. Everything is done on a need-to-know basis, and people are careful to protect ...
[]
[]
[ [], [], [] ]
3h77d3
Why do the sex of the parents matter in creating a liger or tigon?
A [tigon](_URL_1_) is a cross between a male tiger and a female lion. A [liger](_URL_0_) is a cross between a female tiger and a male lion. As you can see, these two animals look different. Ligers are much bigger. Why would switching the breed of the parents cause such differences?
askscience
http://www.reddit.com/r/askscience/comments/3h77d3/why_do_the_sex_of_the_parents_matter_in_creating/
{ "a_id": [ "cu63z71" ], "score": [ 2 ], "text": [ "Great question! This is what I've been trying to address for my PhD dissertation.\n\nShort answer: it's probably something to do with genomic imprinting, but the X chromosome plays a big role in all species tested so far.\n\nLong answer: There ar...
[]
[ "https://en.wikipedia.org/wiki/Liger", "https://en.wikipedia.org/wiki/Tigon" ]
[ [ "http://doi.org/10.1111/evo.12500", "http://good-lab.dbs.umt.edu/Good_Lab/Publications_files/Brekke_Good_Evol_2014.pdf" ] ]
47xwd6
Why were General McClellan's estimates of confederate forces always overestimated?
I'm currently reading Shelby Foote's The Civil (which is very good for anyone that has never read it) and it seems McClellan's estimates of confederate strength were always off by tens of thousands. Foote seems to chalk it up to McClellan's personal timidity. Is this true? It seems difficult to me that even a timid man...
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/47xwd6/why_were_general_mcclellans_estimates_of/
{ "a_id": [ "d0gadqn" ], "score": [ 23 ], "text": [ "A word of caution on Foote's *The Civil War: A Narrative*: It has largely been surpassed by subsequent authors who incorporate things Foote missed, such as the role of women, black Americans and other minority populations. Foote has also been ac...
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[]
[ [ "https://www.cia.gov/library/center-for-the-study-of-intelligence/kent-csi/vol10no3/html/v10i3a09p_0001.htm", "http://opinionator.blogs.nytimes.com/2011/08/15/the-unions-spy-game/", "https://www.reddit.com/r/AskHistorians/comments/1558oo/how_good_is_the_civil_war_a_narrative_by_shelby/c7jgasp" ] ]
9pxlcm
why has non lte service slowed down over the years?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9pxlcm/eli5_why_has_non_lte_service_slowed_down_over_the/
{ "a_id": [ "e850ciq" ], "score": [ 8 ], "text": [ "Re-allocation of frequencies. Each provider has a certain amount of spectrum at any given location, and it gets split up to be used by various technologies. LTE is both faster in general and more efficient, so as we reach a point where most peopl...
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[]
[ [] ]
3bp1lu
why does it seem like products made from recycled materials are more expensive? shouldn't they be cheaper since companies don't have to create things from "raw" materials?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3bp1lu/eli5_why_does_it_seem_like_products_made_from/
{ "a_id": [ "cso5u0l" ], "score": [ 8 ], "text": [ "The process of reclaiming the material for use can be time consuming and complex, and often costs more than working from new materials." ] }
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[ [] ]
53oz4i
In NDT's Inexplicable Universe, he says that quarks are bonded together such that the pull gets stronger as they get farther apart. As a consequence, inputting enough energy to separate them instantaneously creates a new partner for each quark. How do we know this? Have we tried it?
askscience
https://www.reddit.com/r/askscience/comments/53oz4i/in_ndts_inexplicable_universe_he_says_that_quarks/
{ "a_id": [ "d7v0fso" ], "score": [ 11 ], "text": [ "Well, it kind of happens in particle colliders like LHC. If you produce quarks in a collision, then you don't end up seeing the single quarks, but a 'jet' of hadrons for each quark you have produced. (edit: hadrons are bound states of quarks, t...
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[]
[ [] ]
6dus5z
how is this kung fu master using chi/qi to generate power?
I'm curious how Chu Shong Tin, the third student of Yip Man, is able to use his chi to generate power. Here's a few videos of him: [_URL_0_](_URL_0_) [_URL_1_!](_URL_1_) [_URL_3_](_URL_3_) [_URL_2_ ](_URL_2_ )
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6dus5z/eli5_how_is_this_kung_fu_master_using_chiqi_to/
{ "a_id": [ "di5ien7", "di5ihdi" ], "score": [ 9, 4 ], "text": [ " > I'm curious how Chu Shong Tin, the third student of Yip Man, is able to use his chi to generate power.\n\nHe's not. There's no such thing as chi.\n\nThere are all kinds of tricks you can do with leverage, though. For in...
[]
[ "https://youtu.be/jxWti1xHqAk?t=19m43s", "https://youtu.be/5uIQ46ow7Nk?t=3m12s", "https://youtu.be/mV5WyURiwdQ?t=22m12s", "https://youtu.be/ZjN4MX1sf8Y?t=2m51s" ]
[ [], [] ]
8n2nnm
why is it my phone is cold while my laptop have to use all its fans cooling while doing the same simple tasks, browsing reddit, streaming music etc.?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8n2nnm/eli5why_is_it_my_phone_is_cold_while_my_laptop/
{ "a_id": [ "dzsbmos", "dzsf9gu" ], "score": [ 11, 2 ], "text": [ "Phones use less powerful components that are significantly smaller, generating less heat. Phones will also get hot overtime though just like computers, you just can’t hear the cooling systems in the phone like you can with ...
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[]
[ [], [] ]
4wk4z0
What affect does sighing have on arterial oxygen saturation, and circulation?
askscience
https://www.reddit.com/r/askscience/comments/4wk4z0/what_affect_does_sighing_have_on_arterial_oxygen/
{ "a_id": [ "d6c38ju" ], "score": [ 3 ], "text": [ "I think the type of sighing you're talking about is following an extra deep breath with a long exhale. It really has no effect on arterial oxygen, the red blood cells are at maximum saturation before they leave normal lungs, breathing faster, dee...
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[]
[ [] ]
4g81o6
Is there a scenario in which heat does not make something expand?
Random shower thought - I'm sure there are situations where the above isn't the case but I'm intrigued...
askscience
https://www.reddit.com/r/askscience/comments/4g81o6/is_there_a_scenario_in_which_heat_does_not_make/
{ "a_id": [ "d2fbbkc", "d2fed10", "d2fgkws", "d2fh4q2", "d2fig1a", "d2fip0u", "d2fjk7z", "d2fjw4s", "d2fmf9t", "d2fmj9a", "d2fmw2c", "d2fni3z", "d2fq424", "d2fq88z", "d2fr3e8", "d2frlj4", "d2ft6bs", "d2ft81x", "d2fx7yx", "d2fxvjd", "d...
[]
[]
[ [ "http://www.physlink.com/education/askexperts/ae478.cfm" ], [ "https://en.m.wikipedia.org/wiki/Negative_thermal_expansion" ], [ "https://scholar.google.com/scholar?hl=en&amp;q=collagen+thermal+contraction", "http://www.scienceofcooking.com/why_does_meat_shrink_when_cooked.htm" ], [], ...
1rrzty
Is angular momentum truly a distinct property from momentum, or a simplification of momentum?
If you go down at the angstrom level of a spinning disk, and ask the molecules how they're doing, they're not going to tell you that they're spinning around that axis over there. They only know about their velocity and momentum, and there's bonds within the material that always seem to pull them to the left. Is angula...
askscience
http://www.reddit.com/r/askscience/comments/1rrzty/is_angular_momentum_truly_a_distinct_property/
{ "a_id": [ "cdq9ldj", "cdqbox2", "cdqegyr", "cdqemi4" ], "score": [ 19, 5, 6, 9 ], "text": [ "Ultimately, linear momentum comes from translational invariance and angular momentum comes from rotational invariance. With linear momentum, you can eliminate it by transferring t...
[]
[]
[ [], [], [ "http://www.scientificamerican.com/article.cfm?id=can-you-solve-the-physics-bullet-block" ], [] ]
12631e
Since when have the majority of people lived in houses?
For the purpose of this question, let 'house' mean any non-portable, permanent, artificial shelter - including e.g huts, manors, great halls, etc, but excluding tents, caves, gers and so on. If focus is needed, I'd be most interested in western & central Europe, but I'd also find a global perspective fascinating - e...
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/12631e/since_when_have_the_majority_of_people_lived_in/
{ "a_id": [ "c6sh63h" ], "score": [ 2 ], "text": [ "The boundaries between a 'hut' and a 'tent' are not as clear as you would imagine. Many huts are very much temporary structures. As for what you mean, a permanent place of habitation, that really took off in western Europe with the beginning of a...
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[]
[ [] ]
2q12hb
how do remote car unlocks only unlock one car in the entire world?
Wouldn't there eventually be a remote that happens to unlock a random other car? How can each remote specifically target a single car? It seems like there would have to be some crossing of signals.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2q12hb/eli5_how_do_remote_car_unlocks_only_unlock_one/
{ "a_id": [ "cn1v24j", "cn1v6x1", "cn1w3cp", "cn1wms6", "cn27fu1" ], "score": [ 16, 15, 11, 3, 6 ], "text": [ "It is not the spectrum of the signal that opens the car. It is presumably a large encrypted string that is exchanged with the computer in your car. As lo...
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[]
[ [], [], [], [], [] ]
djo3iw
why media system in cars is like 10 years behind the rest of software world, even in a completely new cars with new media systems.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/djo3iw/eli5why_media_system_in_cars_is_like_10_years/
{ "a_id": [ "f46gq14", "f46i3ch" ], "score": [ 3, 10 ], "text": [ "You gotta remember that the car is mostly about the driver and not the passengers. There are a lot of safety and laws around distracted driving. Car manufacturers are slow to make a change that will make then look careless ...
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[ [], [] ]
24d05t
AMA Panel: History of Pornography and Libertine Literature in Europe, 1500-1850
Good morning! Feel free to ask us any questions you may have about pornography and libertine literature in Europe from 1500-1850! The Panelists today: /u/TFrauline : I'm currently an English PhD student with a thesis focused on analysing the the character and decline of libertine literature during its last years, fr...
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/24d05t/ama_panel_history_of_pornography_and_libertine/
{ "a_id": [ "ch5wuhq", "ch5wx2w", "ch5wzme", "ch5x8vb", "ch5xfz5", "ch5xhgr", "ch5xhzx", "ch5y426", "ch5zmqt", "ch613fj", "ch61au8", "ch63iw1", "ch64ojn", "ch69tv2", "ch6b897", "ch6bt6m" ], "score": [ 8, 14, 3, 3, 4, 8, 15...
[]
[ "http://www.reddit.com/r/AskHistorians/comments/1cssrf/ama_history_of_pornography_14001800/", "http://www.reddit.com/r/AskHistorians/comments/1lkszg/askhistorians_ama_thread_history_of_sexuality/" ]
[ [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [] ]
3sjcwy
why is there a guinness world record for the longest time spent in an anechoic chamber? wouldn't a deaf person be able to stay there indefinitely?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3sjcwy/eli5_why_is_there_a_guinness_world_record_for_the/
{ "a_id": [ "cwxpahw" ], "score": [ 3 ], "text": [ "A normal person can stay in there indefinitely. Veritasium did this on his youtube channel. He said its weird but it definitely didnt cause him to freak out or anything. He stated he could have easily stayed much longer but hed already broken the...
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[ [] ]
17gepj
Can physics explain the motion of a flag blowing in the wind?
askscience
http://www.reddit.com/r/askscience/comments/17gepj/can_physics_explain_the_motion_of_a_flag_blowing/
{ "a_id": [ "c858trj", "c858uib" ], "score": [ 6, 2 ], "text": [ "[It has been studied](_URL_0_). Fluid dynamics is a fairly complex area of physics.", "With my basic understanding of fluid dynamics, I would guess that it's simply the result of slight differences in pressure on each si...
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[]
[ [ "http://prl.aps.org/abstract/PRL/v94/i9/e094302" ], [] ]
282sc0
Are Yahweh and the Abrahamic "God" the same deity?
Were they separate conceptions/religions that were merged at some point? In the Hebrew Bible, the Abrahamic text appears earlier than the text of 1 & 2 Kings, where Elijah is a prophet of Yahweh. Is Yahweh the Abrahamic "God," or did these two conceptions become merged in records?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/282sc0/are_yahweh_and_the_abrahamic_god_the_same_deity/
{ "a_id": [ "ci73g54", "ci75lzf" ], "score": [ 9, 27 ], "text": [ "Harold Bloom [wrote a book](_URL_0_) at least partly about this subject. In the 1/3 or so of the book where he is not talking about himself, his answer is basically \"yes, they are the same.\" If you like reading about Har...
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[]
[ [ "http://www.amazon.com/Jesus-Yahweh-The-Names-Divine/dp/1573223220/ref=sr_1_12?ie=UTF8&amp;qid=1402711740&amp;sr=8-12&amp;keywords=harold+bloom" ], [] ]
1rhpc1
How does cling-film (Saran-wrap) stick to itself? Does it leave any residue on the food?
askscience
http://www.reddit.com/r/askscience/comments/1rhpc1/how_does_clingfilm_saranwrap_stick_to_itself_does/
{ "a_id": [ "cdndsjx", "cdndskt", "cdnj378", "cdnord3" ], "score": [ 56, 8, 10, 9 ], "text": [ "Cling film easily builds up static electricity, the mechanical handling of it causes some electrons to get separated from their atoms, and so there's a charged imbalance causing ...
[]
[]
[ [], [], [], [ "http://en.m.wikipedia.org/wiki/Plastic_wrap" ] ]
70al9d
if sharks have to keep moving to breathe, what happens when they get tired?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/70al9d/eli5_if_sharks_have_to_keep_moving_to_breathe/
{ "a_id": [ "dn1opcs", "dn1otqv", "dn1opcs", "dn1otqv" ], "score": [ 7, 3, 7, 3 ], "text": [ "Similar ELI5:\n\n* _URL_1_\n\npunkinholler posted:\n\nFor one thing, not all sharks have to keep swimming to continue \"breathing\". Nurse sharks, for example, can and do sit on th...
[]
[]
[ [ "https://www.scientificamerican.com/article/sleeping-with-half-a-brain/", "https://www.reddit.com/r/explainlikeimfive/comments/5ubuey/eli5_how_do_sharks_survive_when_they_dont_sleep/" ], [], [ "https://www.scientificamerican.com/article/sleeping-with-half-a-brain/", "https://www.reddit.com/r...
24py4s
what happened to paralyzed people in the days when there was no practical care or facilities?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/24py4s/eli5_what_happened_to_paralyzed_people_in_the/
{ "a_id": [ "ch9ie6w" ], "score": [ 3 ], "text": [ "Sometimes family members were able to care for them. There were also churches that could assist. If they were wealthy, then they could hire people. If they were not, then they would most likely die from disease, starvation, etc." ] }
[]
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[ [] ]
1sjby3
why isn't google+ really popular?
It seems like Google+ has really ever "caught-on"
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1sjby3/eli5_why_isnt_google_really_popular/
{ "a_id": [ "cdy5moq", "cdy5qjp", "cdy5rb5", "cdy62yx", "cdy6i08", "cdy85gj", "cdyb7wr", "cdycbef", "cdyclw6", "cdyczv3", "cdylv6g", "cdylymj" ], "score": [ 24, 9, 4, 7, 7, 2, 2, 2, 2, 3, 3, 2 ], "text": [ "For...
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[]
[ [], [], [], [], [], [], [], [], [ "http://en.wikipedia.org/wiki/Network_effect" ], [], [], [] ]
3ft9cb
why do sunglasses signify looking cool?
I mean, it works all the time, but how?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3ft9cb/eli5_why_do_sunglasses_signify_looking_cool/
{ "a_id": [ "ctrrh6h", "cts2jvm" ], "score": [ 27, 4 ], "text": [ "Seeming mysterious is a timeless method of being cool. Sunglasses, which hide one of the most expressive parts of your face, are an easy way to accomplish that.", "Three main reasons:\n1. As has been mentioned, obscurin...
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[ [], [] ]
604sbk
What did the Japanese know about what hit them in August, 1945?
I've recently read *Eagle Against the Sun* by Ronald Spector. Good book, and I fully accept that it's not the most complete, but for a layman like myself it did quite well to explain the war. He mentions that, after the Hiroshima bombing but before the Nagasaki, there may have been a couple of Japanese officials who th...
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/604sbk/what_did_the_japanese_know_about_what_hit_them_in/
{ "a_id": [ "df9b9ui" ], "score": [ 2 ], "text": [ "Hi — [I answered a similar question awhile back](_URL_0_). The short answer is, they were still processing exactly what it was when the second one occurred. There is very little evidence of how the bomb affected their strategic thinking from the ...
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[ [ "https://www.reddit.com/r/AskHistorians/comments/53xp7b/when_the_first_atomic_bomb_was_dropped_on/d7xfjil/" ] ]
3yyctt
How exactly did Nazi Germany military tactics make them (more or less) better than others?
Hi! I want to start off and apologize if this question was already answered. I checked the FAQ and couldn't see something that directly answered this. Recently, I took a class about the history of war since Napoleon. I learned a great deal, but am forgetting some things. I learned about the revolutions in military aff...
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/3yyctt/how_exactly_did_nazi_germany_military_tactics/
{ "a_id": [ "cyhspk4" ], "score": [ 5 ], "text": [ "I'd recommend you to this thread [here] (_URL_0_). Suffice to say, German military prowess in the Second World War, while not undeserved, is heavily exaggerated. \n\n > with the most focus on pre-WWI, where warfare had changed as a result of the...
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[ [ "https://www.reddit.com/r/AskHistorians/comments/3ywuud/what_did_the_wehrmacht_get_wrong_in_ww2/", "https://www.reddit.com/r/AskHistorians/comments/3sc0tv/french_in_world_war_2/", "https://www.reddit.com/r/AskHistorians/comments/3rtu5m/what_kind_of_tactics_did_world_war_1_infantry_use/", "https://...
5kjey7
why do squeamish people get sick when seeing something gory?
Like when on the news if they show a picture of something gory they have a disclaimer. Is there a genetic part of it and what happens in your brain?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5kjey7/eli5_why_do_squeamish_people_get_sick_when_seeing/
{ "a_id": [ "dbohqrr", "dbojs41" ], "score": [ 2, 5 ], "text": [ "If I'm not mistaken it's a life preservation reaction from your body. If say you get your leg cut off and see the blood gushing out your body will pretty much shut down except for the completely necessary functions. This wil...
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[ [], [] ]
18r76b
AskHistorians, let's talk about food.
I love cooking marginally more than I like eating. In the past, currently high-end food such as lobster was considered peasant food. During your era of knowledge, what did the people eat? Are there surviving recipes? Did the concepts of desert, taste buds, herb and spice mixes exist? How was food cooked and prepared? ...
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/18r76b/askhistorians_lets_talk_about_food/
{ "a_id": [ "c8h8kyx", "c8h9uyf" ], "score": [ 7, 2 ], "text": [ "[Here's a post on peasant food](_URL_2_)\n\n[Here's a host of medieval cookery](_URL_0_).\n\n[Here is a more official book](_URL_1_).", "Check out Andrea Broomfield's [*Food and Cooking in Victorian England*](_URL_1_), a...
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[ [ "http://www.godecookery.com/goderec/goderec.htm", "http://www.amazon.co.uk/The-Medieval-Cookbook-Maggie-Black/dp/0500015481", "http://www.reddit.com/r/AskHistorians/comments/17zyt0/what_was_the_diet_of_an_englishscottish_peasant/c8acpgw" ], [ "http://www.amazon.com/Plain-Fare-Fusion-Food-Briti...
5pfvas
why do people who hate the west blame white people for slavery while forgetting conveniently that, while the whole world engaged therein, it was the west which abolished slavery?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5pfvas/eli5_why_do_people_who_hate_the_west_blame_white/
{ "a_id": [ "dcqwbv9" ], "score": [ 4 ], "text": [ "Well, an important part of it is that history, and modern understanding of it, tends to be western-centric. \n\nFor example, almost everyone knows that the US once had slaves, and that they had a civil war related to it. But how many people do yo...
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sy9n1
Any idea what might cause these strange white lines to appear in this lake?
I have only lived on this lake a few months, and this is the first time I have seen [this...](_URL_0_) once the wind started blowing, most if the white stuff gathered against the SW shore. It reminds me of breeding coral... did something have sex in there last night?
askscience
http://www.reddit.com/r/askscience/comments/sy9n1/any_idea_what_might_cause_these_strange_white/
{ "a_id": [ "c4hzdzu" ], "score": [ 4 ], "text": [ "From that picture I would guess it is pollen and other particulate matter that happened to gather in that pattern." ] }
[]
[ "http://imgur.com/XAoII" ]
[ [] ]
n58l3
Is it possible to synthesize ozone and get it into the atmosphere?
And if so why haven't we done it yet?
askscience
http://www.reddit.com/r/askscience/comments/n58l3/is_it_possible_to_synthesize_ozone_and_get_it/
{ "a_id": [ "c36c6ya", "c36c7h2", "c36c7qb", "c36djyr", "c36dz7d", "c36ejxc", "c36kkri", "c36c6ya", "c36c7h2", "c36c7qb", "c36djyr", "c36dz7d", "c36ejxc", "c36kkri" ], "score": [ 12, 3, 5, 2, 2, 2, 2, 12, 3, 5, 2, ...
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[ [], [], [], [], [], [], [], [], [], [], [], [], [], [] ]
7s5hbp
do donated organs age according to the donor´s age or do they adapt to the age of the new body?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7s5hbp/eli5do_donated_organs_age_according_to_the_donors/
{ "a_id": [ "dt25r06", "dt2673h", "dt26sng", "dt29o33", "dt29xye", "dt2a5qj", "dt2aiwc", "dt2b649", "dt2bavg", "dt2fuk8", "dt2lvpb", "dt2mefd", "dt2opzv", "dt2pdeg", "dt2pm8c", "dt2vffa", "dt31r12", "dt39y4h", "dt3d7e4" ], "score": [ ...
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[ [], [], [], [], [], [], [], [], [], [], [], [], [], [], [ "https://register.donatelife.gov.au/", "https://organdonor.gov/index.html", "https://www.donor.co.nz/", "https://www.canadiantransplant.com/donate", "https://www.organdonation.nhs.uk/" ], [], [], [], ...
9zia9o
why can you see through 100% humidity air but you can't see through fog?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9zia9o/eli5_why_can_you_see_through_100_humidity_air_but/
{ "a_id": [ "ea9cf7w", "ea9co9d" ], "score": [ 42, 9 ], "text": [ "Fog is large water droplets suspended in air, which disperse light. Humidity is water vapor, which has very little impact on light. ", "Water vaporous is transparent but small liquid water droplets are not.\n\nFog, mi...
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[ [], [] ]
103d5e
Biology: the first known signs of living things, how did living things originate
i asked this question a couple days ago but never got an awnser. i was wondering if there are any theories about how life first started or what are the first signs of live on the planet
askscience
http://www.reddit.com/r/askscience/comments/103d5e/biology_the_first_known_signs_of_living_things/
{ "a_id": [ "c6a16s8", "c6a1dfz", "c6a38tv" ], "score": [ 4, 3, 3 ], "text": [ "No one knows for sure exactly how it happened. Based on experiments that try to replicate the conditions found at the beginning of the earth, the most common current theory is the [RNA world hypothesis]...
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[ [ "http://en.wikipedia.org/wiki/RNA_world_hypothesis" ], [ "http://en.wikipedia.org/wiki/Abiogenesis" ], [] ]
1ngkn0
Is the bottom of the ocean floor just layers and layers of dead organisms?
askscience
http://www.reddit.com/r/askscience/comments/1ngkn0/is_the_bottom_of_the_ocean_floor_just_layers_and/
{ "a_id": [ "ccim2oj" ], "score": [ 12 ], "text": [ "Whooo! [this map!](_URL_3_)\n\nComes from an old oceanography book I really like. Anyway, it shows the dominant forms of sediment at the bottom of the ocean. As you know, the ocean floor is recycled - created at the ridges and melted back into t...
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[ [ "http://en.wikipedia.org/wiki/Carbonate_compensation_depth", "http://en.wikipedia.org/wiki/Manganese_nodule", "http://www.starrynighteducation.com/sntimes/2012/jan/wwwgfx_cur/TheWIlsonCycle.full.jpg", "http://apps.usd.edu/esci/creation/age/_images/creationist_clocks/ocean_floor_sediment/sediment_d...
3c69eb
How prominent is Turkic Influence in Ukraine?
Throughout history, when not under Poland or Russia, Ukraine was under some form of Turkic tribe. How is it that Ukrainians can be fair (in some parts) if dark traits are more dominant than light ones, and they were under under Turkic tribes and empires for a long time? Just how prominent is this Turkic influence in U...
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/3c69eb/how_prominent_is_turkic_influence_in_ukraine/
{ "a_id": [ "cssqi2s" ], "score": [ 2 ], "text": [ "The Ukraine is very diverse.\n\n1. Odessa and the Ukrainian South shares a lot with the Balkanese. For instance: \"Turk\" is an insult. They had a Russian dialect of their own as well with many Greek, Romanian and Turkish words not known elsewher...
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[ [ "http://rt.com/files/opinionpost/21/e8/80/00/2.jpg" ] ]
1mew04
epilepsy and seizures
My younger brother (15 years old) had a seizure tonight and I want to understand how Epilepsy works. We don't know for sure if he has epilepsy or if his seizure is due to something else. The paramedics said he is fine and a follow-up would a good idea. If he does have Epilepsy, I want to know how to help him adjust.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1mew04/eli5_epilepsy_and_seizures/
{ "a_id": [ "cc8jh2t" ], "score": [ 2 ], "text": [ "Generalized seizures affect both cerebral hemispheres (sides of the brain) from the beginning of the seizure. They produce loss of consciousness, either briefly or for a longer period of time, and are sub-categorized into several major types: gen...
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1cr5ue
Would someone be so kind as to direct me to some good, if not, best books on the Pahlavi Dynasty of Imperial Iran?
I am particularly interested in the nation building and economic history aspect that went on during that era, not what the Shah's favourite food was--but that kind of thing is still welcome. Thanks.
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1cr5ue/would_someone_be_so_kind_as_to_direct_me_to_some/
{ "a_id": [ "c9ja1z8" ], "score": [ 6 ], "text": [ "I'm glad that you have an interest in the Pahlavi dynasty and Iran in general. I hope that some of these books may prove helpful to you. Feel free to ask any questions or ask for more books if these are unsatisfactory!\n\nA good introductory-leve...
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4y8lsw
what happens when a program freezes? why can't the program just stop what it's doing immediately and need to wait for several seconds(minutes) before something happens?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4y8lsw/eli5_what_happens_when_a_program_freezes_why_cant/
{ "a_id": [ "d6ltxjb" ], "score": [ 3 ], "text": [ "This can happen for multiple reasons, mostly some part of the program is waiting for something (a file/webservice) to get read information out or respond somehow but the file is not readable or the server is not reachable because of Internet cone...
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514yeo
why does jupiter appear to be 'layered'?
[Like this](_URL_0_) It looks like its made of many flat layers why reddit, why!? Edit: What causes this banding, if anyone knows?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/514yeo/eli5_why_does_jupiter_appear_to_be_layered/
{ "a_id": [ "d79gu9o" ], "score": [ 3 ], "text": [ "I assume you mean why does it have horizontal stripes in latitude: it does also have layers as you down inside it, but those aren't obvious in this picture.\n\nIt's a consequence of \"conservation of angular momentum.\" This is the effect that c...
[]
[ "https://www.sciencenews.org/sites/default/files/2016/03/main/articles/_031116_cc_jupiter_free.jpg" ]
[ [ "https://media1.britannica.com/eb-media/00/102500-004-FD431E88.jpg", "http://www.nasa.gov/images/content/62278main_pia05416-516-426.jpg", "https://www.cambridge.org/core/journals/journal-of-fluid-mechanics/article/waves-and-turbulence-on-a-beta-plane/888854B51E3622BBF8D0AFC6367037D8", "http://spac...
1khce1
Have there ever been female philosophers?
More specifically, Pre-20th century. Edit: I guess I do need to narrow this down. Have there ever been female philosophers who experienced wide spread acclaim or condemnation, on the same level as Socrates, or Plato, or Descartes, etc...?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1khce1/have_there_ever_been_female_philosophers/
{ "a_id": [ "cboxxbh" ], "score": [ 3 ], "text": [ "Seriously, everyone, please read our [Rules for answers](_URL_1_) and for bonus points check out the [Meta-Post](_URL_0_) at the top of the sub for a detailed description of what qualifies for answers here. Just posting names or links to Wikipedi...
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[ [ "http://www.reddit.com/r/AskHistorians/comments/1jsabs/what_it_means_to_post_a_good_answer_in/", "http://www.reddit.com/r/AskHistorians/wiki/rules#wiki_answers" ] ]
6x5dr6
Why weren't Roman buildings and cities maintained after they withdrew from Britain?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/6x5dr6/why_werent_roman_buildings_and_cities_maintained/
{ "a_id": [ "dmdcil5" ], "score": [ 33 ], "text": [ "The reason essentially boils down to a question of logistics and organisation. In the immediate aftermath of Imperial withdrawal, things continue largely as before, but as the mechanisms of state start to crumble as the province is beset by war ...
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b31s1r
What are spider webs made of? How much can a spider web, and how does it regenerate it?
[deleted]
askscience
https://www.reddit.com/r/askscience/comments/b31s1r/what_are_spider_webs_made_of_how_much_can_a/
{ "a_id": [ "eixiftd" ], "score": [ 5 ], "text": [ "Spider webs are made of silk. It's liquid silk whilst inside the spider's abdomen, and turns into strands as it is pulled out by the spider. There are many, many different types of web and uses for the silk depending on the species of spider, som...
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2w56yz
Would the Vikings actually slaughter women and children?
Just wouldn't make much sense. If the objective is a lightning quick raid why take the time to kill everyone? Just kill those who resist and take all the valuables.
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/2w56yz/would_the_vikings_actually_slaughter_women_and/
{ "a_id": [ "coo74ss" ], "score": [ 8 ], "text": [ "The sources we have on viking raids are either, as /u/vhite said, from the victims or from 13th century or later Icelandic accounts. That said, I'm not familiar with any *víkingar* who are mentioned as butchering entire villages and towns. The cl...
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2dusna
How do lethal parasites exist, within evolutionary theory?
So, Im reading "The Selfish Gene" right now, and a question I keep having (that seems ignored by the book) is why there would be a lethal parasite? I understand how parasites happen evolutionarily, but i can't understand those that actually kill their host. Like, why does Ebola kill its host? Doesn't that just end up ...
askscience
http://www.reddit.com/r/askscience/comments/2dusna/how_do_lethal_parasites_exist_within_evolutionary/
{ "a_id": [ "cjtanbd", "cjtbzuj", "cjtg8m1", "cjtry46", "cjudmzk" ], "score": [ 2, 7, 2, 2, 2 ], "text": [ "Parasites that kill their host too quickly do die off. That's why the very lethal ones are often also good at replicating /spreading or take time to kill it's...
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[ [], [], [], [ "http://en.wikipedia.org/wiki/Myxomatosis" ], [ "http://en.wikipedia.org/wiki/Optimal_virulence" ] ]
2idncp
why is it that when i don't exercise i feel tired and depressed while many people never exercise and seem fine?
I think the title says it all. I can provide more info if needed.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2idncp/eli5_why_is_it_that_when_i_dont_exercise_i_feel/
{ "a_id": [ "cl17qze" ], "score": [ 2 ], "text": [ "They're not as fine as they appear. I've learned a lot more people are depressed and don't realize it. They think that's the way life is supposed to be and that you're supposed to just \"deal with it\". It's kind of dodging your question but most...
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877fot
why aren't we able to stream content anywhere in the world? is there an actual technical reason for it or is it just discrimination?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/877fot/eli5why_arent_we_able_to_stream_content_anywhere/
{ "a_id": [ "dwas7j9" ], "score": [ 24 ], "text": [ "It's most commonly a legal rather than technical issue.\n\nIn the early days of media, it was really expensive and complicated to do anything internationally. If an American company wanted to show an American movie in Japan, they had to either ...
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80fto8
Why was Spain only admitted to NATO in 1982?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/80fto8/why_was_spain_only_admitted_to_nato_in_1982/
{ "a_id": [ "duvqaz7", "duvuajn" ], "score": [ 4, 16 ], "text": [ "Not an answer, but a counter question. As opposed to what? Are you asking why Francoist Spain was not in NATO? Or why it did not happen immediately after Spain became a democracy?", "At the time that Spain was admitted ...
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4y97n5
what causes people's personal preferences for what races they find attractive?
There are people who find all races attractive but there are many who prefer certain race's faces and find certain race's features unnattractive. What causes this?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4y97n5/eli5_what_causes_peoples_personal_preferences_for/
{ "a_id": [ "d6m1gtb", "d6m2be5", "d6m3m0l", "d6m8gqj" ], "score": [ 13, 8, 2, 34 ], "text": [ "This is nearly entirely nurture rather than nature. I.e. you are not born that way but your own experiences and society starts moulding you from day 1.", "We are meant to fin...
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[ [], [], [], [] ]
5gz7gr
the butcher told me to defrost meat in cold tap water, replacing the water several times during the process ... why not warm tap water?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5gz7gr/eli5_the_butcher_told_me_to_defrost_meat_in_cold/
{ "a_id": [ "daw5sia" ], "score": [ 6 ], "text": [ "Warm water leads to an faster proliferation of bacteria. The lower the temperature is, the harder for the bacteria to reproduce." ] }
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3dwsre
When and why did trailers become popular dwellings for the rural poor of America?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/3dwsre/when_and_why_did_trailers_become_popular/
{ "a_id": [ "ct9mkg4" ], "score": [ 2 ], "text": [ "It's cheap housing. From a manufacturing point it's much cheaper to keep your workers in one place every day and have an assembly line making \"houses\", then delivering the houses rather than having the crew go to a different site each project.\...
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[ [ "http://www.bbc.com/news/magazine-24135022" ] ]
5r6i99
How successful was the Spanish Feminist and Anarchist group the Mujeres Libres (Free Women)? In what ways was Spain's working class Feminist movement of the 1930s distinct from more middle class Feminist movements of the period. What role did Feminism play in the Spanish Revolution and Civil War?
If you can answer any of the above questions I would be very appreciative. Many thanks!
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/5r6i99/how_successful_was_the_spanish_feminist_and/
{ "a_id": [ "dd688mr", "ddlxpum" ], "score": [ 2, 4 ], "text": [ "I just recently read a book on Mujeres Libres called Free Women Of Spain by Martha Acklesberg and would recommend it if you're looking for information on Mujeres Libres, Acklesberg does a great job of interviewing women invo...
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yvxs0
how are drugs like cocaine addictive?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/yvxs0/eli5_how_are_drugs_like_cocaine_addictive/
{ "a_id": [ "c5zb5dr" ], "score": [ 2 ], "text": [ "There are two types of addiction: physical and psychological.\n\nPhysical addiction happens when your body gets used to taking a drug. Some drugs cause chemical changes in the body that the body gets used to having happen after a while. If the ...
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ku14q
When you are sick they tell you to cough up as much "infected" phlem as you can and get it out of your body, is coughing up and then swallowing it as effective?
There are many situations where it is not feasible or socially acceptable to get rid of the phlem you just coughed up so people just swallow it, is getting it out of your lungs and into your stomach as effective as out of your body? does it just get stuck in your throat again when you try to swallow? Also, I realize ph...
askscience
http://www.reddit.com/r/askscience/comments/ku14q/when_you_are_sick_they_tell_you_to_cough_up_as/
{ "a_id": [ "c2n7srg", "c2n7tsq", "c2n7u7t", "c2n7xgw", "c2n8102", "c2n8crz", "c2n8j3g", "c2n8m01", "c2na44i", "c2nae7l", "c2n7srg", "c2n7tsq", "c2n7u7t", "c2n7xgw", "c2n8102", "c2n8crz", "c2n8j3g", "c2n8m01", "c2na44i", "c2nae7l" ], ...
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[ [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [] ]
3hplaq
what does a dj at a club really do besides make a list and push play?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3hplaq/eli5_what_does_a_dj_at_a_club_really_do_besides/
{ "a_id": [ "cu9e6h5", "cu9eq1g", "cu9fj84" ], "score": [ 5, 2, 2 ], "text": [ "He DJ's! ie he plays around with the pitch, filters and all sorts, and he also layers and mixes the tracks.. or to put it simply he plays with a bunch of knobs and buttons to make the music sound as goo...
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[ [ "https://www.youtube.com/watch?v=DYpRCh4qdbU" ], [], [] ]
2fjra7
why does traveling by train cost more than other transport?
In Ireland and Britain the cost of traveling by train can be 4 to 5 times as much as it would cost by bus/coach , even flying can be cheaper than the train if booked in advance. I of course understand that the train companies exist to make a profit, but that's true of the bus companies and airlines also. So before pr...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2fjra7/eli5_why_does_traveling_by_train_cost_more_than/
{ "a_id": [ "ck9whjy", "cka1nkh", "cka3945", "cka6si5", "cka76hm", "cka8fg1", "cka8ryl" ], "score": [ 4, 2, 3, 2, 2, 2, 3 ], "text": [ "Trains have a novelty factor because it is a more \"old-fashioned\" form of transportation. This means that touris...
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[ [], [], [], [], [], [], [ "http://upload.wikimedia.org/wikipedia/en/archive/6/6d/20060316095932!Ireland's_Rail_Network_1925-75.gif" ] ]
58f4uw
Was discrimination/racism prominent in 1300s/ancient era?
I'm doing this for a school project, and I've been getting many different answers on this question. This question is really general and I'm basically looking for world history on this topic. I'm new to this subreddit so excuse me if I have broken a couple rules. Thanks!
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/58f4uw/was_discriminationracism_prominent_in/
{ "a_id": [ "d8zz868" ], "score": [ 3 ], "text": [ " > I've been getting many different answers on this question.\n\nThis is actually a great place to start!\n\nAre you keeping track of the different answers? Can you put them into any particular categories, maybe based on geography (f.e. Europe, ...
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6y791f
USSR universities
Was anyone allowed to go to university in USSR? I know about 7 (later 8) and 9 (later 10) years schools, and about only 10 years schools' graduated could attend university, but I wish to know if anyone graduating from that schools could have gone to university, if he/she actually wanted to, or if there was some sort of...
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/6y791f/ussr_universities/
{ "a_id": [ "dmla0s6" ], "score": [ 3 ], "text": [ "To add on to this, what was the application process like? What were the Ivy League and safety school equivalents?" ] }
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3cx4a3
How politically talented was Gorbachev?
I'm reading *A Failed Empire* by V. Zubok, and the various domestic and foreign policy mistakes made by Gorbachev just leave me shaking my head. As just one example, Gorbachev dithers while East Germany dissolves, engaging in philosophical platitudes in lieu of extracting security concessions (e.g. an promises over NAT...
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/3cx4a3/how_politically_talented_was_gorbachev/
{ "a_id": [ "ct03f0r" ], "score": [ 14 ], "text": [ "In terms of how Gorbachev got to the top of the party apparatus in the first place, the two reasons are he was seen as reasonably dynamic and effective, and that early in the piece he had some powerful patrons. In terms of the dynamic bit, Gorba...
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4lua5f
if the light from screens makes us unable to fall asleep at night, why can people take naps during the day?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4lua5f/eli5_if_the_light_from_screens_makes_us_unable_to/
{ "a_id": [ "d3q6se4", "d3q7dy1" ], "score": [ 5, 4 ], "text": [ "\"Unable\" is inaccurate. People *can* fall asleep under nearly any condition. Having extra light just makes it harder. ", "Naps are probably pretty natural. Our ancestors were likely up well before the sun every day get...
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[ [], [] ]
21sx5d
Why did the Bubonic Plague not strike places like China and India where populations were obviously dense and in contact with the rest of Europe?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/21sx5d/why_did_the_bubonic_plague_not_strike_places_like/
{ "a_id": [ "cgg7mg8", "cgg8n7h" ], "score": [ 11, 3 ], "text": [ "It's well suspected that the Black Death originated from or near China, however the evidence for something like the huge epidemic like the Black Death in China is complicated for numerous reasons. Three large outbreaks of p...
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[ [ "http://contagions.wordpress.com/2011/11/26/did-india-and-china-escape-the-black-death/" ], [ "http://www.danwei.org/health_care_diseases_and_pharmaceuticals/bubonic_plague_in_china.php" ] ]
3m5s0l
what is cern and what real problems can it cause?
I tried to do some research on it after seeing the conspiracy theories. That's mostly what's out there. Can someone explain what it really is and why so many seemed concerned? What real threats, if any, does it pose on us?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3m5s0l/eli5_what_is_cern_and_what_real_problems_can_it/
{ "a_id": [ "cvc8t3p", "cvc9fyi" ], "score": [ 9, 2 ], "text": [ "CERN is basically trying to find out the origins of our universe and how everything works by using a very large particle accelerator to accelerate particles to 99.99991% the speed of light and have them collide with one anot...
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[ [], [] ]
61dmxo
why are weapons and strategies in world war 2 so different across countries?
Japan had their cultural heritage that influence their differences but what influenced the difference between western countries?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/61dmxo/eli5_why_are_weapons_and_strategies_in_world_war/
{ "a_id": [ "dfdps5s", "dfdrm4y", "dfds4i4", "dfe36v9" ], "score": [ 3, 2, 2, 2 ], "text": [ "What do you mean exactly?\n\nThe weapons used by the major combatants were all broadly similar.\n\nStrategies are always going to be situational. Russian Deep Battle for example wo...
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[ [], [], [], [] ]
5hf5zt
I once heard that Julius Caesar knew he was going to be assassinated, and was even warned by his guard before entering the building. However, due to serious health problems he was experiencing, he wanted an honorable death so entered anyways. Is this true?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/5hf5zt/i_once_heard_that_julius_caesar_knew_he_was_going/
{ "a_id": [ "db01twg", "db021nq" ], "score": [ 359, 7 ], "text": [ "This is a highly contorted version of what Appian reports when he mentions Caesar's formation of his Parthian campaign:\n\n > ὁ δέ, εἴτε ἀπογνούς, εἴτε κάμνων καὶ ἐκκλίνων ἤδη τήνδε τὴν πεῖραν ἢ διαβολήν, εἴτε τισὶν ἐχθροῖ...
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asuabx
Difference between combustion and explosions?
[deleted]
askscience
https://www.reddit.com/r/askscience/comments/asuabx/difference_between_combustion_and_explosions/
{ "a_id": [ "egxfzd0" ], "score": [ 5 ], "text": [ "The definition of \"explosion\" is somewhat vague without adding further qualification. Chemists tend to use the term \"detonation\" which is where a chemical reaction causes a mixture to expand extremely rapidly, forming a shock wave which self-...
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2v3pbn
why are there so few male teachers?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2v3pbn/eli5why_are_there_so_few_male_teachers/
{ "a_id": [ "coe61s6", "coe66nu", "coe7ck2", "coe9vuy" ], "score": [ 11, 22, 3, 2 ], "text": [ "It's the same reason why there are fewer women in STEM subjects - over the course of their life, a young person is exposed to thousands of little nudges towards some careers and ...
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[ [], [], [], [] ]
e7g2xj
how do biologists discover/study cell functions such as chemical receptors when they can’t directly see the processes?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/e7g2xj/eli5_how_do_biologists_discoverstudy_cell/
{ "a_id": [ "f9z11tz" ], "score": [ 4 ], "text": [ "Think of it like a logic puzzle. There are so many ways you could go about it that there are libraries of textbooks available on the subject, plus graduate degrees you can earn.\n\nBut a simple, single scenario. \n\nYou notice a cell surface prot...
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216645
as a girl who loses tons of hair in the shower and in brushes, how am i not bald?!
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/216645/eli5_as_a_girl_who_loses_tons_of_hair_in_the/
{ "a_id": [ "cg9z3ay", "cga2yvo" ], "score": [ 10, 4 ], "text": [ "You lose around 100 hairs a day naturally, and of course you start growing around 100 hairs a day. If your hair is long, the hair that falls out naturally probably just gets held in by your other hair until you shower or ...
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[ [ "http://www.nlm.nih.gov/medlineplus/ency/article/003246.htm" ], [] ]
29qx9r
How did the European colonistd of the Americas survive the heat?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/29qx9r/how_did_the_european_colonistd_of_the_americas/
{ "a_id": [ "cinn81q" ], "score": [ 3 ], "text": [ "There were plenty of methods to reduce exposure when it came to clothing, like wearing enough white linen to cover most of the skin and keeping the head covered. Simple things like staying in the shade, drinking fluids (some blacksmiths I know wi...
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5kail3
how are urls created for image/video hosting websites like youtube and imgur?
You know how every youtube video url has that "/watch?v=" part followed by a unique combination of letters and numbers. How is that created? Youtube is also a big website so is it possible to run out of combinations?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5kail3/eli5_how_are_urls_created_for_imagevideo_hosting/
{ "a_id": [ "dbmlfij" ], "score": [ 7 ], "text": [ "As stated, the alphanumeric string is randomly generated. Youtube uses a string of 11 characters. It is possible to run out of combinations, but the number is so large it is not likely to ever happen. Each character in the string is one of: [A-Z]...
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2umvsw
why are german and japanese products generally more reliable and higher quality?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2umvsw/eli5why_are_german_and_japanese_products/
{ "a_id": [ "co9smj1", "co9snna", "co9snra", "co9sr95", "co9sz0i", "co9t3i9", "co9ta43", "co9to4c", "co9ujzm", "co9vy3z", "co9w0eo", "co9ww54", "co9xltw", "co9xuzz", "co9xvdm", "co9y1h2", "co9yja7", "co9yvtf", "co9z32x", "co9zauy", "c...
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[ [], [], [ "http://en.wikipedia.org/wiki/W._Edwards_Deming" ], [], [], [], [], [], [ "http://youtu.be/YAuTW2ZWl-g" ], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [ "https://m.youtube.com/watch?v=EQa4HHkhwVg" ], [], [], [], [], [], ...
3njeag
what exactly makes some cuts of beef better than others?
Considering that they come from the same animal essentially. Why are some steaks in the supermarket, from the same part of the animal, of 'lesser' quality than others.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3njeag/eli5what_exactly_makes_some_cuts_of_beef_better/
{ "a_id": [ "cvon02g", "cvon2xb", "cvon5i6", "cvop5s2" ], "score": [ 21, 2, 6, 5 ], "text": [ "Are you asking why tenderloin is better than chuck roast, or why prime tenderloin is better than choice or standard. \n\nIf you're asking the first, it's because steaks tend to b...
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[ [ "http://www.livetradingnews.com/wp-content/uploads/2015/03/usda-grades.png" ], [], [], [ "http://meat.tamu.edu/beefgrading/" ] ]
1zfxrd
what makes a thesis strong and how long does it have to be? (for essays)
I've always learned in school that a thesis is one to two sentences that provides an introduction to the essay stating your stance on the issue supported with broad details of what your body paragraphs include. How do you make a really strong thesis and how long should/can it be? This is for essays that are 500-3,000...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1zfxrd/eli5_what_makes_a_thesis_strong_and_how_long_does/
{ "a_id": [ "cftaf44" ], "score": [ 3 ], "text": [ "It depends on the essay. Usually a thesis follows the order of: claim, because, therefore.\n\nClaim: This is the argument you're trying to make. Like, \"Pizza is the healthiest food on the planet,...\"\n\nBecause: Here you would list all the supp...
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[ [] ]
6ygj6o
how do wifi waves travel through walls?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6ygj6o/eli5_how_do_wifi_waves_travel_through_walls/
{ "a_id": [ "dmn73g9", "dmn7rza", "dmn8ixi", "dmn8jou", "dmnatrg", "dmnbuf3", "dmneghx", "dmnghm2", "dmniz85", "dmnnky9" ], "score": [ 7, 272, 28, 2, 2, 3, 4, 2, 48, 18 ], "text": [ "Different points on the electromagnetic spe...
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[ [], [], [], [], [], [], [ "https://www.flickr.com/photos/llnl/9403051123/sizes/l/" ], [], [ "https://en.wikipedia.org/wiki/Wi-Fi", "https://physics.stackexchange.com/questions/135033/why-do-2-4ghz-frequencies-offer-greater-range-than-5ghz-routers", "http://scienceblogs.com/builtonf...
a33zco
brain's "inner music player"?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/a33zco/eli5_brains_inner_music_player/
{ "a_id": [ "eb37vs3", "eb38szn", "eb3j4ho" ], "score": [ 7, 4, 3 ], "text": [ "Music is a very complex subject in the brain. The auditory system is definitely involved, but the various parts of music are a bit harder to place in the brain. Rhythm, pitch, and tone are all generally...
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[ [], [], [] ]
3by3dq
if the body didn't fight, say, a virus, with a fever, runny nose, sneezing etc. what would the symptoms of having that virus be?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3by3dq/eli5_if_the_body_didnt_fight_say_a_virus_with_a/
{ "a_id": [ "csqlxd2" ], "score": [ 2 ], "text": [ "Ebola is a virus much different than the herpes virus or the virus that causes warts. Many viral infections don't cause any of the symptoms you listed. " ] }
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2006h2
How expected was the initial invasion of Poland in WW2 from the view of the Polish?
As per title - I've been wondering for some time how expected the initial invasion was from the point of view of the Polish, especially those living in the areas that were occupied in the first few and days and nights. Thanks!
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/2006h2/how_expected_was_the_initial_invasion_of_poland/
{ "a_id": [ "cfyl5hx", "cfylmf3", "cfyp7oe" ], "score": [ 2, 3, 3 ], "text": [ "Everyone knew Germany was going to attack Poland, once it became clear that Hitler couldn't be appeased with small territorial concessions it became obvious that he was going to attack Poland as he want...
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[ [], [ "http://www.wp39.pl/plan-mobilizacyjny" ], [] ]
17qj2c
How cold does the surface temperature of earth need to be for the oceans to freeze?
Just curious about this. What kind've conditions would you need for the oceans to freeze all over the world? I know some places can and do naturally freeze up every year, but they're usually in extreme zones. Assume that: Temperature of air is constant everywhere in the world (Without affecting air flow, wind, etc) ...
askscience
http://www.reddit.com/r/askscience/comments/17qj2c/how_cold_does_the_surface_temperature_of_earth/
{ "a_id": [ "c87xaa5", "c8813ut", "c88337w" ], "score": [ 2, 2, 2 ], "text": [ "Ignoring heat radiating out from the core and hot gasses leaking in from hydrothermal vents, the air temperature would have to be slightly below -2 degrees Celsius (about 28 F). It's not 0 C because the...
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[ [], [], [] ]
1t5nks
why gaming companies want to remove gameplay videos and "let's-plays" from youtube?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1t5nks/eli5_why_gaming_companies_want_to_remove_gameplay/
{ "a_id": [ "ce4kxzg", "ce4m6eo", "ce4n23f" ], "score": [ 22, 2, 2 ], "text": [ "That's not what the current issue is about, it's about monetizing. People can make money from their videos based on the number of hits. The new content ID system scans whole videos for even a tiny frag...
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[ [], [], [] ]
1636gl
what do standing committees and select committees do?
and if you could explain, what do joint and conference committees do?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1636gl/what_do_standing_committees_and_select_committees/
{ "a_id": [ "c7sbs32" ], "score": [ 3 ], "text": [ "This is from a US perspective.\n\nStanding committees are where most of the work in Congress gets done. There's 16 in the Senate and 19 in the House, and each deals with a separate policy area. (There are some standing committees that deal with t...
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4unuha
What is the makeup of cooking smoke?
When pan frying chicken schnitzel (chicken breast wrapped in bread crumbs) using olive oil, the room can get a little smokey. I'm not cooking on a high heat and nothing goes 'black' or sticks to the fry pan. I'm curious as to what the chemical make up of this smoke is? Is it going to leave a 'greasy' film on the wall...
askscience
https://www.reddit.com/r/askscience/comments/4unuha/what_is_the_makeup_of_cooking_smoke/
{ "a_id": [ "d5rzlqy" ], "score": [ 4 ], "text": [ "It's from the olive oil. Oils have what is called a [smoke point](_URL_0_) where the oil's carbon chains will degrade into soot which is essentially solid chunks of incompletely combusted carbon. Same kind of smoke you get from campfires and barb...
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[ [ "https://en.wikipedia.org/wiki/Smoke_point" ] ]
tb2fn
How do scientists determine the psychoactive components of plant based drugs? (THC in marijuana, for example)
Basically, as the title says, how did scientists determine that THC/CBD are the active compounds in marijuana? Or Divinorum A in Salvia? How do we know which chemicals do what in our brains?
askscience
http://www.reddit.com/r/askscience/comments/tb2fn/how_do_scientists_determine_the_psychoactive/
{ "a_id": [ "c4l2tw2" ], "score": [ 7 ], "text": [ "This question deals mostly in organic chemistry, but also biochemistry and psychology.\n\nThe process is the same for isolating and identifying any organic substance from a natural source, be it a protein, a small organic molecule, etc.\n\nSo the...
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[ [ "http://en.wikipedia.org/wiki/Infrared_spectroscopy", "http://en.wikipedia.org/wiki/Nuclear_magnetic_resonance", "http://en.wikipedia.org/wiki/Mass_spectrometry", "http://en.wikipedia.org/wiki/Cannabinoid_receptor" ] ]
6lal5d
How do writing skills correlate to reading comprehension?
For example, are writers who conform to accepted standards more fluently better readers of standard writing? What about non-standard writing? If one is taught to write well after having poor writing skills, will their reading comprehension be better? And is that benefit, if there is any, only for standard writing? The...
askscience
https://www.reddit.com/r/askscience/comments/6lal5d/how_do_writing_skills_correlate_to_reading/
{ "a_id": [ "djsgk94", "djsuxe1" ], "score": [ 3, 4 ], "text": [ "What do you mean by write well?\n\nGood penmanship?\n\nor the ability to follow the rules of grammar an to express ideas in a manner that conveys information?\n\nIf the second then, and this is just my thought process, it sh...
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3y7hjq
what makes us have an epiphany or suddenly realize something? have we subconsciously reached a "border" or how could one describe it?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3y7hjq/eli5_what_makes_us_have_an_epiphany_or_suddenly/
{ "a_id": [ "cyb6j47", "cybhwfx" ], "score": [ 63, 37 ], "text": [ "You could say that. The way I view this is that a window exists between your subconscious and conscious brain of which the size depends on your cognitive activity. Your subconscious processes are always hard at work, proce...
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[ [], [] ]
21a9l8
why will a problematic starter motor start your car when you hit it with something?
So today a girl parked next to me at school couldn't get her car to start. I quickly figured out it was the starter. I had her get in the car and I gave it a whack with a breaker bar as she turned the key. It started right up. How does this get it working for a moment? Is it from electical shorting, or something m...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/21a9l8/eli5_why_will_a_problematic_starter_motor_start/
{ "a_id": [ "cgb7sjr" ], "score": [ 3 ], "text": [ "This has nothing to do with the solenoid. Starter motors are brushed electric motors. Inside there are copper 'brushes' that are making physical contact with the rotating stator. These brushes are what provides the electricity to the rotating par...
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tyc2j
the problem with monsanto and its rise to becoming such a prominent monopoly.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/tyc2j/eli5_the_problem_with_monsanto_and_its_rise_to/
{ "a_id": [ "c4qrhme", "c4qrih4", "c4qsu6b", "c4qsxwh", "c4qup6c" ], "score": [ 63, 103, 15, 34, 30 ], "text": [ "Monsanto copyrighted certain genetic modifications in seeds.\n\nThis means farmers cannot reuse seeds from last year's harvest as they can be sued.\n\nA...
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[ [], [], [], [], [ "http://www.reddit.com/r/IAmA/comments/qhb2d/ama_im_a_scientist_in_gmo_transgenic_plant/" ] ]
8eond8
how come ice, especially on lakes, sometimes makes an almost laser-y noice when cracking?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8eond8/eli5_how_come_ice_especially_on_lakes_sometimes/
{ "a_id": [ "dxx7651" ], "score": [ 4 ], "text": [ "Wow, I didn't know about this phenomenon until I researched this answer. Now I want to find a frozen lake! Too bad it's currently spring where I live :(\n\nHere's a link that explains it pretty well: _URL_0_\n\nAnd here's my TL;DR version... ...
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[ [ "http://thekidshouldseethis.com/post/why-does-a-frozen-lake-sound-like-a-star-wars-blaster" ] ]
7u6yl0
the state of the union address and what it means for the average american.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7u6yl0/eli5_the_state_of_the_union_address_and_what_it/
{ "a_id": [ "dti37ey", "dti5bl0", "dti7ewu", "dti8wx6" ], "score": [ 17, 4, 3, 4 ], "text": [ "Once a year the President of the US get's up in front of a big crowd and gives a speech discussing the current status of the country. This is a big event that is long on optics a...
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[ [], [], [], [ "http://www.presidency.ucsb.edu/sou_words.php" ] ]
a277av
How Accurate was the concept of drowing suspected witches, if they died they where innocent if they floated they where guilty. It seems incredibly flawed logic even for older times
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/a277av/how_accurate_was_the_concept_of_drowing_suspected/
{ "a_id": [ "eawymt4", "eaxknkg" ], "score": [ 22, 3 ], "text": [ "Quick edit: I should point out that, at least in theory, the accused witches being immersed (usually by being thrown in water, or being thrown in water with a rope tied around them, or being thrown in water tied to a chair ...
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[ [], [ "https://www.reddit.com/r/AskHistorians/comments/8v3u1w/comment/e1kj7eq" ] ]
9mijty
how is keto-diet an effective one when fats are less satiating and also have the lowest tef?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9mijty/eli5_how_is_ketodiet_an_effective_one_when_fats/
{ "a_id": [ "e7eyckv", "e7ezfjq", "e7ezqsu", "e7f03uu", "e7f19gq", "e7fg05z", "e7fhsmy" ], "score": [ 12, 16, 23, 10, 5, 2, 3 ], "text": [ "Every diet works if you eat at a caloric deficit, meaning that you burn more calories than you eat. No matter ...
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[ [], [], [], [], [ "https://en.wikipedia.org/wiki/Specific_dynamic_action" ], [], [] ]