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86rw0h
why is water able to evaporated below the boiling point? i was always taught 212f (100c) was when water could turn into a gas.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/86rw0h/eli5_why_is_water_able_to_evaporated_below_the/
{ "a_id": [ "dw7do84", "dw7e1o9", "dw7fic9" ], "score": [ 3, 8, 3 ], "text": [ "Temperature is the average thermal energy of a bunch of stuff. Any individual molecule can have considerably more or considerably less energy. At any given time, a small fraction of the water molecules ...
[]
[]
[ [], [ "http://www.feynmanlectures.caltech.edu/I_01.html" ], [ "https://en.wikipedia.org/wiki/Vapor_pressure", "https://en.wikipedia.org/wiki/Vapour_pressure_of_water" ] ]
30ajsl
What language has the least overlap of English speakers?
Okay, so my title isn't the best, but it's the best way I could think to ask this question succinctly. What I am trying to ask is what language has the least number of English speakers (native or non-native) in relation to the total number of speakers. I have tried to figure this out myself, but I can't seem to find...
askscience
http://www.reddit.com/r/askscience/comments/30ajsl/what_language_has_the_least_overlap_of_english/
{ "a_id": [ "cpqujyu", "cpqvacq" ], "score": [ 8, 4 ], "text": [ "Given the sheer number of languages in the world (around 6000), it's quite difficult to get a handle of even reliable estimates of how many speakers each one has, let alone how l of its speakers also speak a language other t...
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[ [], [] ]
409qxf
law enforcement in usa
Why have so many state departments which cover a lot of the same areas. I come from Aus and we have state police, federal police, border controls and ASIO. America has State Police, Sheriffs department, Texas Rangers, ATF ,DEA, Highway patrol, border patrol, FBI, CIA, Homeland Sec. Then within that there are speciali...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/409qxf/eli5_law_enforcement_in_usa/
{ "a_id": [ "cysjeg1" ], "score": [ 3 ], "text": [ "There are 15 times as many people who live in the US than in Australia. So it's reasonable that they would need more agencies to cover more issues.\n\nState police can pursue you over state lines, they don't just stop chasing you when you cross ...
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[ [] ]
1s660h
Why are large nuclei unstable?
Why is it that all of the heavier elements are unstable?
askscience
http://www.reddit.com/r/askscience/comments/1s660h/why_are_large_nuclei_unstable/
{ "a_id": [ "cdui43c" ], "score": [ 3 ], "text": [ "The Pauli exclusion principle forbids two particles from sharing the same quantum state. Therefore, as you add nucleons to the nucleus they are forced to occupy higher and higher energy states to avoid violating this principle.\n\nA nucleus in w...
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[]
[ [] ]
cla65h
Why did France preferred a facist state instead of a socialist/communist one?
During the spanish civil war, we all know that each side had international support. While USSR supported republicans, Fascist Italy and Nazi Germany supported nationalists. Why UK and France, but especially France, preferred to have one more fascist state in Europe and allowed itself to be surrounded almost entirely by...
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/cla65h/why_did_france_preferred_a_facist_state_instead/
{ "a_id": [ "evuzwov" ], "score": [ 3 ], "text": [ "France hasn't preferred a nationalist rebels (fascists, monarchists and reactionary Catholics) to the Spanish Republic. On the contrary, in the beginning, France and its Popular Front govt feared of being surrounded by fascists from the all sides...
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[]
[ [] ]
3egzuy
What are the limitations on our ability to see smaller things at longer distances? (i.e. Seeing pluto from Earth)
askscience
http://www.reddit.com/r/askscience/comments/3egzuy/what_are_the_limitations_on_our_ability_to_see/
{ "a_id": [ "ctevjvv" ], "score": [ 9 ], "text": [ "The two key limitations are 1) achieving a high enough angular resolution and 2) collecting enough light. The [angular resolution](_URL_4_) is the smallest angular distance between two sources of light, for which the system will see two distinct ...
[]
[]
[ [ "https://en.wikipedia.org/wiki/Diffraction", "https://upload.wikimedia.org/wikipedia/commons/thumb/2/28/Inverse_square_law.svg/2000px-Inverse_square_law.svg.png", "https://dept.astro.lsa.umich.edu/ugactivities/Labs/coords/angdistsize.jpg", "http://davidnaylor.org/temp/B00643.jpg", "https://en....
7a2tbq
why aren't police departments footing the bill instead of the tax payers when it comes to court settlements?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7a2tbq/eli5_why_arent_police_departments_footing_the/
{ "a_id": [ "dp6mtvx", "dp6n1bn" ], "score": [ 20, 12 ], "text": [ "Most police departments are taxpayer funded. Where do you think the money is going to come from?", "They're not private businesses with stockholders and investments you can take. Police departments have no money **oth...
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[]
[ [], [] ]
4bu1bb
Why was Jean Bernadotte elected heir-presumptive to Charles XIII of Sweden?
How, why, and by whom was that decision made? Surely it would have made more sense to elect a Swedish noble or some distant relative of Charles XIII instead of a French marshall, and effectively making a new, French royal family in Sweden?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/4bu1bb/why_was_jean_bernadotte_elected_heirpresumptive/
{ "a_id": [ "d1cnql7" ], "score": [ 4 ], "text": [ "Although the candidacy of Bernadotte, a non-Swedish speaking and commoner, to become the Crown-Prince of Sweden in October 1810 seems rather unlikely, there were a number of factors working in the French marshal's favor. The internal political si...
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[]
[ [] ]
3pfe4s
After Japan attacked pearl harbour, what did [the Japanese leaders] tell the Japanese people in regards to why, and what the goal of it all was?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/3pfe4s/after_japan_attacked_pearl_harbour_what_did_the/
{ "a_id": [ "cw5w9jn" ], "score": [ 3 ], "text": [ "The Japanese leaders attempted to frame the Japanese attack in a very sympathetic context: essentially, that the US sought to crush Japan in an economic vyse, thus asserting its power in the Pacific in an attempt to spread Western Imperialism. W...
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[]
[ [ "http://www.maesaka-toshiyuki.com/wp-content/uploads/2015/01/134633436654a5ec05b273d2.85040851296191307.jpg" ] ]
cb0de6
Are the protons and neutrons in a specific isotope always arranged in the same/similar way?
My understanding is that neutrons help glue the protons together via the residual strong force, while also helping to spread the protons out to reduce coulomb repulsion by physically separating them. This makes a bit of sense, but from this interpretation then, it would seem to me that its not just the number of proto...
askscience
https://www.reddit.com/r/askscience/comments/cb0de6/are_the_protons_and_neutrons_in_a_specific/
{ "a_id": [ "etcemj9" ], "score": [ 24 ], "text": [ "Yes, the arrangement matters. Just like atoms have discrete energy levels corresponding to arrangements of electrons, nuclei do as well.\n\n > How many stable configurations are there for a given atom?\n\nFor a given nuclide, at most one (the gr...
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[ [] ]
c9fwby
Why does a standard computer keyboard have 12 function keys (F1 - F12)?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/c9fwby/why_does_a_standard_computer_keyboard_have_12/
{ "a_id": [ "esyv1s4" ], "score": [ 1488 ], "text": [ "Holy guacamole, I can actually answer this one. But first we have to go back to mainframes...\n\nBack in the days of yore, desktop computers weren't a thing. Instead, you'd have a keyboard and monitor connected to a terminal of one sort or ano...
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[ [] ]
d74i5n
What were the physiques of pre history human beings, including ancient physiques, and even medieval physiques of warriors and also citizens of different classes? We see many of them in movies and tv shows like in 300, Spartacus, and Roman Empire, etc, with amazing physiques. Is this true at all?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/d74i5n/what_were_the_physiques_of_pre_history_human/
{ "a_id": [ "f0xvrwe", "f0zo61k" ], "score": [ 9, 6 ], "text": [ "A whole cadre of writers answered a [similar question](_URL_0_) including u/FraudianSlip and u/GBFel. Someone else may have something new to add of course.", "The great u/Iphikrates answered this for ancient Greece. See ...
[]
[]
[ [ "https://www.reddit.com/r/AskHistorians/comments/10hjf9/movies_always_make_out_ancient_warriors_to_be/" ], [ "https://www.reddit.com/r/AskHistorians/comments/8bbgtc/how_should_we_imagine_an_ancient_spartan_soldiers/", "https://www.reddit.com/r/AskHistorians/comments/5hcclh/did_socrates_even_lift/d...
41xtq6
why don't animals or humans decompose in a bog?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/41xtq6/eli5why_dont_animals_or_humans_decompose_in_a_bog/
{ "a_id": [ "cz61chp", "cz61n88" ], "score": [ 3, 3 ], "text": [ "There's so little oxygen in that kind of environment that the bacteria and small animals required to make the bodies decompose simply can't live.", "Because bogs are generally acidic and anaerobic. These conditions are n...
[]
[]
[ [], [] ]
35z63e
the success of works of art such as mark rothko's
[Just read that one of his paintings sold for 46,5 million dollars.](_URL_0_)
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/35z63e/eli5_the_success_of_works_of_art_such_as_mark/
{ "a_id": [ "cr995c7" ], "score": [ 2 ], "text": [ "Colour field paintings basically stemmed from the idea that colour can provoke emotion, and quite powerful feelings at that. I think a lot of people are attracted to these works subconsciously for that reason." ] }
[]
[ "http://www.businessinsider.com/afp-rothko-painting-sells-for-46.5-million-in-ny-auction-2015-5" ]
[ [] ]
19mk4c
How frail were women in the Victorian era, really?
Ok, so many books, movies and TV shows feature these women in huge gowns that faint at the drop of a hat. I understand that they wore corsets that restricted breathing, but was it THAT severe? Even in Pride and Prejudice, the character Jane is incapacitated for nearly a week (IIRC) by a COLD. I understand that they di...
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/19mk4c/how_frail_were_women_in_the_victorian_era_really/
{ "a_id": [ "c8pdwx1", "c8pe48i", "c8pesuk", "c8pfu16", "c8pl8r0" ], "score": [ 7, 10, 5, 5, 3 ], "text": [ "Maybe some in the aristocracy were, but in general being a woman at all has required being tough. It could take most of a day just to do the laundry. \n\nTo ...
[]
[]
[ [], [], [ "http://doloresmonet.hubpages.com/hub/Fashion-History-Victorian-Costume-and-Design-Trends-1837-1900-With-Pictures", "http://jp.physoc.org/content/587/13/3063.full", "http://yjhm.yale.edu/essays/eoconnor20070608.htm" ], [], [ "http://en.wikipedia.org/wiki/Anne_Lister" ] ]
36ghvx
do we drill for oil to manufacture plastics, or are they made from the byproducts of oil refinement?
Or in other words, are we contributing to the depletion of oil reserves by the ubiquitous use of plastics, or are they simply a novel way of making use of millions of tonnes of what would otherwise simply be waste products of fuel and gasoline production?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/36ghvx/eli5_do_we_drill_for_oil_to_manufacture_plastics/
{ "a_id": [ "crdstxs", "crdt4bs" ], "score": [ 3, 2 ], "text": [ "The refining process churns out a bunch of random shit. There's a neat picture [here](_URL_1_) that shows how different products are pulled out of crude oil at different temperatures. Plastics can be made from various refine...
[]
[]
[ [ "http://www.eia.gov/tools/faqs/faq.cfm?id=34&t=6", "http://en.wikipedia.org/wiki/Oil_refinery#Operation" ], [] ]
nm3sf
how does santa deliver toys to all the boys and girls in the world in one night?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/nm3sf/eli5_how_does_santa_deliver_toys_to_all_the_boys/
{ "a_id": [ "c3a5lho", "c3a5rwp", "c3a5sxm", "c3a636c", "c3a6ceq", "c3a6hr8", "c3a6iey", "c3a6pfn", "c3a6s1z", "c3a6sk9", "c3a6u0d", "c3a6zn0", "c3a73hq", "c3a7467", "c3a77es", "c3a7ciq", "c3a7gbz", "c3a7nm0", "c3a7qkm", "c3a81fl", "c...
[]
[]
[ [], [], [ "http://www.youtube.com/watch?v=XoSyCtD0WO4" ], [], [], [], [], [], [], [], [ "http://www.snopes.com/holidays/christmas/santa/physics.asp" ], [], [], [], [], [], [], [], [], [ "http://i.imgur.com/AIZGF.jpg" ], [], [], [], [], [ "http://...
mgr8v
Why do energy saturated systems have negative Kelvin temperatures?
I'm doing thermodynamics homework, and I'm having trouble with a problem that requires temperatures below 0K. What does this mean, and how are negative Kelvin temperatures (which I thought wasn't possible) achieved? Does it mean that energy will flow from any positive temperature system to a negative temperature one?...
askscience
http://www.reddit.com/r/askscience/comments/mgr8v/why_do_energy_saturated_systems_have_negative/
{ "a_id": [ "c30simu", "c30te3b", "c30simu", "c30te3b" ], "score": [ 17, 6, 17, 6 ], "text": [ "You usually think of and treat temperature as a measure of how excited the system is. But an alternate definition, which is in some ways more fundamental, is that temperature ind...
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[]
[ [], [], [], [] ]
5c39em
Is it true that there were only 500 German soldiers in Normandy?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/5c39em/is_it_true_that_there_were_only_500_german/
{ "a_id": [ "d9twacr" ], "score": [ 3 ], "text": [ "I assume you mean on June 6th, 1944?\n\nIn that case, no, the Germans had many more men than 500. Based either on the beaches or shortly behind them were the 21st Panzer Division, 352nd Infantry Division, 709th Static Division, and 716th Static D...
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[ [] ]
u8ez1
how does one get data off of a computer/phone/technological device after it's been deleted?
And I guess the derivative of that is: Why can data be retrieved after it has been "deleted"? (If the answer is purely technical I wouldn't mind).
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/u8ez1/how_does_one_get_data_off_of_a/
{ "a_id": [ "c4t6zsw", "c4t8r9g" ], "score": [ 8, 3 ], "text": [ "Oftentimes when you think you're deleting the data, you're simply deleting the references to the data, not the data itself.\n\nThink about a library. Imagine you want to get rid of a book. What most computers do it simply re...
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[ [], [] ]
5hxyg8
the shift away from 3d and vividly colored graphics to flatter more geometric designs.
Examples include: the Xbox 360 to Xbox 1, Windows 7 to Windows 8/10 and IOS 6 to 7. There are many other company's logos(Such as Instagram) and graphics that also seem to have been following the same tend over the last few years.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5hxyg8/eli5_the_shift_away_from_3d_and_vividly_colored/
{ "a_id": [ "db3tglk", "db3ver1", "db3yfym" ], "score": [ 2, 3, 3 ], "text": [ "Because the market decided it was tacky. Sleek, simplified, and modern is proven to be better received. Take a look at [iOS 6 vs 7](_URL_0_), the older design just seems worse by comparison.", "When...
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[]
[ [ "http://www.extremetech.com/wp-content/uploads/2013/09/ios6_ios7_home_screens.jpg" ], [], [] ]
ecgcxo
why do kids become attached to blankies?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ecgcxo/eli5_why_do_kids_become_attached_to_blankies/
{ "a_id": [ "fbb5hj2", "fbca0xe" ], "score": [ 6, 5 ], "text": [ "It’s not just a blanket. Lots of people get emotionally attached to other inanimate objects. Usually it is a blanket or a toy of some kind. Stuffed animals are common as well. I don’t know the actual reasoning behind it thou...
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[]
[ [], [ "https://en.wikipedia.org/wiki/Failure_to_thrive" ] ]
6ks6rf
Did ancient civilisations actually build traps like we see in Indiana Jones.
Or what is the closest thing to the best traps
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/6ks6rf/did_ancient_civilisations_actually_build_traps/
{ "a_id": [ "djokrox", "djp1k4k" ], "score": [ 270, 10 ], "text": [ "Not to deter any new responses, but to get started [there have been similar](_URL_0_) questions a [few years ago—](_URL_2_) the basic gist of those threads is that Egyptian tombs could be mazelike and have deep pits and f...
[]
[]
[ [ "https://www.reddit.com/r/AskHistorians/comments/23jd10/were_the_tombs_of_south_american_civilizations/", "https://en.wikipedia.org/wiki/Mausoleum_of_the_First_Qin_Emperor#History", "https://www.reddit.com/r/AskHistorians/comments/1j15ae/is_there_any_historical_precedent_for_a_premodern/" ], [] ]
56iirx
why does downloading new software such as ios10 on my phone cause a noticeable decrease in battery life?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/56iirx/eli5_why_does_downloading_new_software_such_as/
{ "a_id": [ "d8jjqkn", "d8jtd7v" ], "score": [ 2, 12 ], "text": [ "Basically the phone has to run through more code, keeping it running heavily for longer to figure out what it needs to do. ", "Hi.\n\nAll of these responses are from people who sound like (and judging from post historie...
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[]
[ [], [] ]
dge0gi
How/why do neon signs do this?
[This](_URL_0_) (I tried to crosspost but couldn’t figure it out haha sorry) At first I thought it was a trick of the camera, but would love to know what the science behind it is! 🧬
askscience
https://www.reddit.com/r/askscience/comments/dge0gi/howwhy_do_neon_signs_do_this/
{ "a_id": [ "f3c0tia", "f3c955q" ], "score": [ 3, 4 ], "text": [ "You’re seeing the electron path in the gas tube. Magnetic fields will move it around. It could be that or it could be the tube is leaking and at a pressure where it does weird things because of the air getting in.", "Did...
[]
[ "https://www.reddit.com/r/woahdude/comments/dg7xpp/the_neon_at_my_local_brewery_does_this/?utm_source=share&utm_medium=ios_app&utm_name=iossmf" ]
[ [], [ "https://en.wikipedia.org/wiki/Stroboscopic_effect" ] ]
yf9q2
How would a video look back on Earth that was recorded on a spaceship that was going close to the speed of light?
Lets say a video recorder was taken aboard a spaceship traveling to Pluto at close to the speed of light. It would take a few hours to get there. Now lets say the video recorder was pointing to Pluto the entire journey and recorded footage of Pluto growing larger and larger as the spaceship got closer. If the spaceshi...
askscience
http://www.reddit.com/r/askscience/comments/yf9q2/how_would_a_video_look_back_on_earth_that_was/
{ "a_id": [ "c5v0f0a", "c5v1fy4" ], "score": [ 3, 3 ], "text": [ "The video recorder and all it's circuitry would be affected by the relativistic effects too. The video would be a record of how things appeared to those aboard the ship. ", "Everything on board the ship will experience...
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[]
[ [], [] ]
2mtn8p
why do some foods make you "bring it to a boil" only to immediately have you turn it down to a simmer? why not just simmer it?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2mtn8p/eli5_why_do_some_foods_make_you_bring_it_to_a/
{ "a_id": [ "cm7h6zd", "cm7imwn" ], "score": [ 6, 2 ], "text": [ "Because that's how you can be sure that the water is the right temperature for simmering without having to measure. To simmer means to cook something at a temperature just below boiling, where bubbles are still forming but t...
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[]
[ [], [ "http://www.exploratorium.edu/cooking/icooks/10-06-03.html" ] ]
32xrly
Are Titan's hydrocarbon seas combustible?
I was reading that Saturn's moon Titan has many hydrocarbon seas made of stuff like methane and ethane. So, if there was a spark, would these seas ignite or do combustible materials not burn if they are too cold?
askscience
http://www.reddit.com/r/askscience/comments/32xrly/are_titans_hydrocarbon_seas_combustible/
{ "a_id": [ "cqgg8d2" ], "score": [ 4 ], "text": [ "The atmosphere of Titan is 95% nitrogen and 5% methane. For combustion to take place there needs to be oxygen in the atmosphere. Since there is no oxygen they can't ignite. On the other hand if there were oxygen they would burn just fine: whether...
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[ [] ]
8nrko5
Why do we define the mass of a proton/neutron as 1/12 of carbon-12, and not 1/56 of iron-56?
I've been reading a new chemistry book and it made a tangent explaining that the idea of calculating the relative atomic mass of various elements by simply considering it a sum of proton/neutron particles' mass is wrong due to mass deficiency caused by fusion. As far as I know, iron is the cutoff point where fusion re...
askscience
https://www.reddit.com/r/askscience/comments/8nrko5/why_do_we_define_the_mass_of_a_protonneutron_as/
{ "a_id": [ "dzxv8cl", "dzznl68" ], "score": [ 25, 6 ], "text": [ "It's not really \"inaccuracies\", the mass defect is what it is and all you're doing then would be to ensure that the defect is always positive. I don't really see where the use of that would be. In chemistry you're using i...
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[ [], [] ]
1w3e7w
Fisticuffs / Boxing in the 1800's
I've read a lot of accounts, heard songs, anecdotal accounts of men boxing for dozens, even hundreds of rounds back in earlier days. How accurate is this? Could people box for hours on end without serious concussions or damaging themselves. Or was it as debilitating as modern boxing matches, with serious consequence...
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1w3e7w/fisticuffs_boxing_in_the_1800s/
{ "a_id": [ "ceyfo75" ], "score": [ 5 ], "text": [ "Without gloves, bareknuckle fighters didn't hit the head very often; they couldn't risk breaking their hands. There were a lot of body hits, and broken ribs and noses, but it wasn't like modern boxing where the head is such a target.\n\nIn a rece...
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[ [ "http://www.spartacus.schoolnet.co.uk/SLAmolineaux.htm?menu=BlackPeople" ] ]
mkqy7
Why are some people so amazing at video games?
Particularly in fast-paced games rather than in the strategy aspect. I was watching some of the gameplay in [this](_URL_0_) video and started to wonder how it is that someone that plays for an arbitrary amount of time can be SSOOOO much better than someone who has played for the same amount of time... What parts of t...
askscience
http://www.reddit.com/r/askscience/comments/mkqy7/why_are_some_people_so_amazing_at_video_games/
{ "a_id": [ "c31pe9x", "c31pe9x" ], "score": [ 2, 2 ], "text": [ "Some people have more efficient brain-wiring than others. DNA defines a fractal-like initial configuration of the brain, but at least as important are early-life experiences, the order that the individual learns things, etc....
[]
[ "http://www.youtube.com/watch?v=KYEyIGLRqW0" ]
[ [], [] ]
6gxhe5
what are the psychological reasons behind seeing and/or formulating conspiracy theories?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6gxhe5/eli5_what_are_the_psychological_reasons_behind/
{ "a_id": [ "ditvzyd", "ditwzkp", "ditxy0t", "diu604t", "diujfwh" ], "score": [ 14, 2, 17, 2, 3 ], "text": [ "Humans like to find patterns, even and especially where there aren't any.\n\nThe reason for this goes all the way back to the beginnings of our evolution. I...
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[ [], [], [], [], [] ]
2bzcxp
How did the rifle replace melee weapons despite how inaccurate they were in the early days?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/2bzcxp/how_did_the_rifle_replace_melee_weapons_despite/
{ "a_id": [ "cjagewg", "cjagk29" ], "score": [ 3, 10 ], "text": [ "To be precise, the rifle- so named from the *rifling* of the barrel which dramatically improved the accuracy of rounds over traditional smooth bore weapons- didn't replace melee weapons. Nor did black powder weapons. It'd t...
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[ [], [] ]
dw3mg3
How did ancient people keep stored water supplies such as cisterns safe to drink?
This has bothered me for quite some time. I get that a lot of people died of diseases and such. Standing, stagnant water allways looks so disgusting. Was the ones who lived immune systems so much better or were they able to keep the cistern free of diseases using plants or something?
askscience
https://www.reddit.com/r/askscience/comments/dw3mg3/how_did_ancient_people_keep_stored_water_supplies/
{ "a_id": [ "f7gocay", "f7gotnk", "f7gozck", "f7gqjdb", "f7guflh", "f7guzrk", "f7gv1k2", "f7gyci9", "f7h4foq", "f7ha8mp", "f7hdq5j", "f7hhwbn", "f7hkuy6", "f7hl37d", "f7hmw47", "f7hnt3b", "f7hquj7", "f7hs3ww", "f7hszay", "f7hwkrn", "f...
[]
[]
[ [], [], [], [], [ "https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3312355/" ], [], [], [ "https://www.thebermudian.com/culture/the-consummate-bermudian/the-bermuda-roof/" ], [ "https://en.wikipedia.org/wiki/Sand\\_filter#History", "https://youtu.be/5uuQ77vAV\\_U?t=52", "https:/...
e42mtq
what happens if you go straight up in space, no stopping, will you run into anything?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/e42mtq/eli5_what_happens_if_you_go_straight_up_in_space/
{ "a_id": [ "f96gyms" ], "score": [ 2 ], "text": [ "Almost certainly not, however gravity from the Earth and other objects will pull you towards them. There is a lot more space then there are objects to hit." ] }
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[ [] ]
9ndl9t
how do lung x-rays work, if you can only see bones with an x-ray?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9ndl9t/eli5how_do_lung_xrays_work_if_you_can_only_see/
{ "a_id": [ "e7lhyck", "e7lhyld", "e7li1uw", "e7liui4", "e7lj2xi" ], "score": [ 3, 10, 2, 2, 2 ], "text": [ "There are a few things. First you don’t only see bone in an x-ray. Bone is much easier to see as it is dense and absorbs more x-rays, but the rest of your bo...
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[ [], [], [], [], [] ]
7p8cht
why do soda 12-packs come in a 2x6 can box and beer 12-packs seem to always come in 3x4 can boxes
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7p8cht/eli5_why_do_soda_12packs_come_in_a_2x6_can_box/
{ "a_id": [ "dsf9ssk" ], "score": [ 4 ], "text": [ "A long time ago, soda 12-pack boxes were sold in 3x4. But soda manufacturers realized that if they made the long box, that you could put the [box in your fridge and use it as a soda can dispenser](_URL_0_). This must have lead to an increase in...
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[ [ "https://vimeo.com/42401073" ] ]
hcfkk
Has there ever been an estimate on how many planets there could possible be with the existence of Life?
askscience
http://www.reddit.com/r/askscience/comments/hcfkk/has_there_ever_been_an_estimate_on_how_many/
{ "a_id": [ "c1ub7so", "c1ubikx", "c1ucb9h", "c1ucyy8" ], "score": [ 8, 2, 3, 2 ], "text": [ "A very simplistic but easy estimate can be made with the [Drake equation](_URL_0_).\n\nThe problem is that the values of things such as the fraction of planets that develop life an...
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[]
[ [ "http://en.wikipedia.org/wiki/Drake_equation", "http://www.wolframalpha.com/input/?i=Drake+equation" ], [], [], [ "http://www.reddit.com/r/space/comments/gylwq/reddit_its_time_to_step_up/c1rdwdz" ] ]
12g5tt
why was Australia considered terra nullius when there were people living there already?
also i read in an old Society & Environment textbook (probably printed in 2004) that it was common for settlers to have "picnics" where they'd hunt the Aborigines for sport. is this true? how common was the practice if it's not made up?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/12g5tt/why_was_australia_considered_terra_nullius_when/
{ "a_id": [ "c6ur70f" ], "score": [ 45 ], "text": [ " > why was Australia considered terra nullius when there were people living there already?\n\nWhen the British came to Australia, they found a people who had no legal system, no leaders, no government. In other places, they had found native lea...
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[]
[ [ "http://www.myallcreekmassacre.com/Myall_Creek_Massacre/The_Massacre.html" ] ]
12sfqh
Why is electric charge quantized?
Is there any deeper reason for charge to be quantized? I know gauge invariance leads to conservation, but I can't think of anything that demands it to have a fundamental value. And if there is a reason, how does it tie in with quarks having a fractional charge? I know some basic quantum field theory by the way, but no...
askscience
http://www.reddit.com/r/askscience/comments/12sfqh/why_is_electric_charge_quantized/
{ "a_id": [ "c6xrgkb" ], "score": [ 5 ], "text": [ "There is [a famous argument by Dirac](_URL_1_), which shows that the existence of magnetic monopoles and quantum mechanics goes hand in hand with the quantization of both electric and magnetic charge. [It came up in this topic some time back](_UR...
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[]
[ [ "http://www.reddit.com/r/Physics/comments/vtb6s/why_do_magnetic_monopoles_imply_the_quantization/", "http://en.wikipedia.org/wiki/Magnetic_monopole#Dirac.27s_quantization" ] ]
2uli72
If you were facing away from a black hole as you fell into it, could you tell when you passed the event horizon because you would suddenly be facing towards the singularity without changing direction?
askscience
http://www.reddit.com/r/askscience/comments/2uli72/if_you_were_facing_away_from_a_black_hole_as_you/
{ "a_id": [ "coa4p7g" ], "score": [ 3 ], "text": [ "The equivalence principle suggests you would not notice as you fell through, as a discontinuous transition implies physics operates differently inside the horizon. Why would you suddenly be facing the singularity?" ] }
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[ [] ]
2r7hv4
How accurate is the movie "My Way"?
I saw this incredible movie on Netflix, thanks to a suggestion from /r/netflixbestof. It is an incredible, and epic story that claims to be a true story. How much liberty does this film take on account of "truthiness"? _URL_1_ _URL_0_
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/2r7hv4/how_accurate_is_the_movie_my_way/
{ "a_id": [ "cndj1f1" ], "score": [ 2 ], "text": [ "Hello,\n\nCan you give some more specific examples on which part you are asking about? Not everyone has watched the movie, but should be able to give you answers on how accurate a scene is if you can describe it." ] }
[]
[ "http://www.imdb.com/title/tt1606384/plotsummary?ref_=tt_ov_pl", "http://en.wikipedia.org/wiki/My_Way_(2011_film)" ]
[ [] ]
ydazb
why don't they make mid/rear engine front wheel drive cars?
I understand it's impractical, but what exactly makes it so unreasonable to make an RF or MF car? I'm talking in depth technical reasons.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/ydazb/why_dont_they_make_midrear_engine_front_wheel/
{ "a_id": [ "c5uiju0" ], "score": [ 6 ], "text": [ "When you accelerate, centre of gravity moves backwards. Rear mounted engine makes front wheels light - no weight equals low friction. Front mounted engine places weight above drive wheels, helps transfer power to road, whilst also using less driv...
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[ [] ]
5sb0q8
why is red eyes in pictures not as big of a problem as it used to be?
With more selfies being taken than 10 years ago why do I never see red eyes in pictures anymore? Every photo editor used to come with a red eye fixer, but it doesn't seem as common anymore.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5sb0q8/eli5why_is_red_eyes_in_pictures_not_as_big_of_a/
{ "a_id": [ "dddnsp1", "dddpsb9" ], "score": [ 7, 4 ], "text": [ "A selfie generally doesn't use a flash. Flash photography, especially from a flash that is positioned directly next to the lens, is still very much a problem for red-eye.", "Now that most cameras are digital, most pictur...
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[ [], [] ]
v13ye
What exactly makes us "think" or "know" in the brain? For example, I read a post saying caterpillars do not have the capacity to "think" or "know" [if they will turn into butterflies]?
Follow up questions: What exactly is consciousness (What makes us conscious exactly, compared to perhaps a butterfly)? Where does the assumption that a caterpillar does not have the capacity to "think" or "know" come from? Is it their brain size? Also I think I read somewhere that a person who had, a significant a...
askscience
http://www.reddit.com/r/askscience/comments/v13ye/what_exactly_makes_us_think_or_know_in_the_brain/
{ "a_id": [ "c50dohc", "c50dvzv" ], "score": [ 6, 6 ], "text": [ "Hi! I'm not a neuroscientist but I am a molecular biologist, so I have some vague insights and am also very interested in this topic. I just answered that caterpillar thread. My answer to it may help in your 2nd question ...
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[ [ "http://en.wikipedia.org/wiki/Consciousness#Biological_function_and_evolution" ], [] ]
f60fl2
What was it like to fight in the Soviet admt during WW2?
I often hear many different accounts. Some saying it was a complete hell and others saying it was like fighting for any other army. A few specifics were how brutal was the Soviet Army? Was the average soldier treated well and put into less deadly strategies or was it how it was depicted in popular media? (*Soviet Army ...
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/f60fl2/what_was_it_like_to_fight_in_the_soviet_admt/
{ "a_id": [ "fi1yxld" ], "score": [ 2 ], "text": [ "I have a few responses on Soviet military culture you can find [here](_URL_0_)." ] }
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[ [ "https://www.reddit.com/r/AskHistorians/wiki/profiles/georgy_k_zhukov#wiki_military_culture" ] ]
1xq85a
Why was succession to the Ottoman throne "open" and not decided by the order of birth? Why did it often involve fratricide?
I've read that many of the ottoman sultans such as Mehmed II often ended up having to kill their brothers. Why did the previous sultan not not pick his successor rather than leaving the empire prone to internal strife?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1xq85a/why_was_succession_to_the_ottoman_throne_open_and/
{ "a_id": [ "cfds99a" ], "score": [ 6 ], "text": [ "So, Ottoman succession is an extremely confusing nuanced evolution spanning six centuries. In 1261, the creation of the Ottoman polity, the Ottoman state used unigeniture to determine the new leader of the polity after the death of a sultan. As y...
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[ [] ]
54fvn2
Did General Douglas MacArthur have any significant redeeming aspects as a military commander in WWII and Korea?
It seems to me that MacArthur is more often castigated than not for his mishandling of the defense of the Philippines at the start of the Pacific War, unimpressive management of the New Guinea Campaign, inability to get along with the Navy, and for his obsessive focus on the liberation of the Philippines, not to mentio...
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/54fvn2/did_general_douglas_macarthur_have_any/
{ "a_id": [ "d832vja" ], "score": [ 2 ], "text": [ "Well, the last one (insubordination) is why he ended up getting fired, so they can be discounted, I think. And I really don't think you can hold the artillery and air restrictions in Manilla against him. Such concerns are rightfully the purview o...
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[ [] ]
4dzlw1
Why didn't Hitler just launch Operation Sealion while the Battle of Britain was happening? Wouldn't the RAF have been too busy to intervene with the landings?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/4dzlw1/why_didnt_hitler_just_launch_operation_sealion/
{ "a_id": [ "d1vuo7l", "d1vyg6z", "d1vznf9", "d1w5kym" ], "score": [ 97, 34, 27, 9 ], "text": [ "Because an invasion is a *huge deal*. To be a bit crass, it's not like Civilization or Europa Univeralis or something where you drop some \"army\" unit onto the enemy territory...
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[ [], [], [], [] ]
62lyxw
if the air scatters all the colours away so we can only see the blue light, why doesnt looking through *more* air at sunset look more blue?
I've never quite grasped this one, why the air seems to have different effects on wavelengths when I look through different amounts of it. I would have expected it to have the same effect only in greater intensity when I look at something through more air. Can anyone please explain?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/62lyxw/eli5_if_the_air_scatters_all_the_colours_away_so/
{ "a_id": [ "dfnk7bd", "dfnkqyq" ], "score": [ 6, 2 ], "text": [ "Good thinking, but... it's the other way around. The colour that gets scattered the most is blue. That's why the air is predominantly blue. The blue comes from all directions (is scattered the most). Now, when light passes t...
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[ [], [] ]
119u4y
the potential scottish independence from the uk. both sides (pro/con) and the history of the issue. (curious american).
Title really summarizes the idea of this thread. I first heard of this issue today on the frontpage and I am really curious on to how this issue came to be. I would love to see discussion on how the independence from the UK would be beneficial or detrimental to Scotland. Thank you! EDIT: Please don't downvote opinions...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/119u4y/eli5_the_potential_scottish_independence_from_the/
{ "a_id": [ "c6kpkpl", "c6kps13", "c6ks6o6", "c6ktz4b" ], "score": [ 4, 21, 3, 5 ], "text": [ "There is a great video on YouTube (sorry for no link) on the history of how Scotland ended up joining with England to form the UK. Basically they wanted colonies when everyone in ...
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[]
[ [], [], [], [ "http://www.acorn-ps.com/web/image/content/map/nns_map.jpg", "http://www.acorn-ps.com/web/image/content/map/sns_map.jpg" ] ]
3gu453
why when i'm trying to fall asleep do i begin reliving cringe-worthy moments in my past?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3gu453/eli5_why_when_im_trying_to_fall_asleep_do_i_begin/
{ "a_id": [ "cu1h8lp", "cu1imq5", "cu1ncpc", "cu1nnzl", "cu1p70v", "cu1ppi9", "cu1q74t", "cu1qpa9", "cu1rb2q", "cu1s3q5", "cu1ssjq", "cu1uxwm", "cu1x8pj", "cu211xi", "cu22cun", "cu22ias", "cu24vsi" ], "score": [ 1273, 36, 7, 49, ...
[]
[]
[ [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [] ]
5xu4i2
taking a second mortgage out on a home or property.
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5xu4i2/eli5_taking_a_second_mortgage_out_on_a_home_or/
{ "a_id": [ "dekuwad", "dekv46y", "dekv79s", "dekvavx" ], "score": [ 2, 2, 2, 2 ], "text": [ "In brief: They are a secured loan, which means they use the borrower’s home as security. If you fail to pay back your loan they'll come after your house.", "Say you bought a ho...
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[ [], [], [], [] ]
1yz2c2
how are athletes so much faster and better then compared to 10+ years ago?
How is it in 1988 the fastest 100 meter was a 9.79 with the use of steroids but 26 years later, Usain Bolt runs a 9.58 clean? What changes have been made to make athletes better?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1yz2c2/eli5_how_are_athletes_so_much_faster_and_better/
{ "a_id": [ "cfp1vy6", "cfp2t1o" ], "score": [ 8, 2 ], "text": [ "It's a good question, but Usain Bolt is not a very good example. Bolt is peerlessly bioemechanically engineered for running, there is simply no other human is this world who can come close to him. His height, the length of h...
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[ [], [] ]
j2o7z
explain to me please, like i'm 5, what the hell is going on in the movie primer.
Cause that shit's *confusing*!
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/j2o7z/explain_to_me_please_like_im_5_what_the_hell_is/
{ "a_id": [ "c28n4vz", "c28n66z", "c28n6so" ], "score": [ 3, 2, 13 ], "text": [ "_URL_0_ The best I can do.", "Way too tired to explain but this handy diagram should help \n\n_URL_0_\n\nIf you havent watched it at least 3 times then no words said here should aid you :)", "...
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[]
[ [ "http://xkcd.com/657/" ], [ "http://en.wikipedia.org/wiki/File:Time_Travel_Method-2.svg" ], [] ]
18x6e6
why can humans live longer now than we could, say, 500 years ago?
What changed?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/18x6e6/why_can_humans_live_longer_now_than_we_could_say/
{ "a_id": [ "c8is3f9", "c8is3ld", "c8isbma", "c8iscb8", "c8j613l" ], "score": [ 3, 2, 5, 10, 2 ], "text": [ "Advances in medicine. Vaccination, hygiene, and aseptic techniques are big factors why people don't die out as quickly as before.", "Medicine, in detecti...
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[]
[ [], [], [], [], [] ]
3ky4l3
why are wedding dresses so expensive?
My mom is watching a dress show in the other room, and I think the cheapest dress I heard was around two thousand dollars.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3ky4l3/eli5_why_are_wedding_dresses_so_expensive/
{ "a_id": [ "cv1h4zd", "cv1h5ku", "cv1hcc7" ], "score": [ 2, 3, 2 ], "text": [ "[Basically](_URL_0_), expensive materials, and lots of labor (relative to most clothing items) but also a high willingness to pay (meaning people are far more willing to pay a lot for a wedding than bas...
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[]
[ [ "http://www.npr.org/sections/money/2011/08/05/138760908/why-are-wedding-dresses-so-expensive" ], [], [] ]
1danul
When I look in the mirror and move my eyes left to right, why do they look like they're not moving at all?
Alright, so this may sound a bit odd and it's hard to explain, but I'll try my best. A friend showed this to me last week and I was blown away and I'm interested in what's behind it. If you wanna test this you should have another person look at your eyes in the mirror too: 1) Look into your own eyes in the mirror. 2) ...
askscience
http://www.reddit.com/r/askscience/comments/1danul/when_i_look_in_the_mirror_and_move_my_eyes_left/
{ "a_id": [ "c9ok92x" ], "score": [ 13 ], "text": [ "It's called [saccadic masking](_URL_0_). \nWhen you move your eyes you actually don't see anything but your brain replaces the blackness with the last image you see \nIt is the reason that you think the first second when you look at your watch...
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[]
[ [ "http://en.wikipedia.org/wiki/Saccadic_masking" ] ]
1w7iwy
The Differing Economies in England, Spain, and the Netherlands in the 17th Century?
Hello all. I'm taking my AP European History midterm tomorrow, and I'm working with some of my peers to create outlines for the possible essay topics. I'm stuck on one of them: "In the 17th century, England and the Netherlands developed effective capitalist economies, while Spain did not. Why did the economies develo...
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1w7iwy/the_differing_economies_in_england_spain_and_the/
{ "a_id": [ "cezedak" ], "score": [ 3 ], "text": [ "You'll want to talk about the differences in how England and Netherlands treated trade and their colonies. You may want to consider the role the Jewish banking families had on all three, as well as the more general motivation for expansion betwee...
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[ [] ]
1wsuus
Why is Russian word Kiev and not Ukrainian form Kyiv used in English?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1wsuus/why_is_russian_word_kiev_and_not_ukrainian_form/
{ "a_id": [ "cf5rwln" ], "score": [ 2 ], "text": [ "The Canadian Broadcast Corporation online news opinion:\n\n_URL_2_\n\n\n > For more than five years, _URL_3_ referred to the capital of Ukraine as Kyiv instead of Kiev. We adopted this version at the same time the Canadian Press switched to Kyiv...
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[]
[ [ "http://en.wikipedia.org/wiki/Kiev#Kiev_or_Kyiv.3F", "http://www.infoukes.com/faq/kyiv-2", "http://www.cbc.ca/news2/indepth/words/kiev-or-kyiv.html", "CBC.ca", "http://www.infoukes.com/faq/kyiv-2/" ] ]
220j2x
the sickle cell and why it is in black people and why it makes them pass out, and what does it do? what is the sickle cell?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/220j2x/eli5_the_sickle_cell_and_why_it_is_in_black/
{ "a_id": [ "cgi604m" ], "score": [ 3 ], "text": [ "As said before, sickle cell is caused by a mutation for gene for hemoglobin in red blood cells. People with sickle cell anemia have 2 mutated alleles while those with \"sickle cell trait\" have only one mutated allele and one normal allele. \n\nT...
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[ [] ]
31qmm8
If sea-level suddenly got raised by 8km, would you still need oxygen to breathe on the top of Mt. Everest?
askscience
http://www.reddit.com/r/askscience/comments/31qmm8/if_sealevel_suddenly_got_raised_by_8km_would_you/
{ "a_id": [ "cq54iz5", "cq5gs4k" ], "score": [ 5, 3 ], "text": [ "You wouldn't need additional oxygen supplies if the atmosphere was displaced by the sea level rise. However, the atmosphere would be slightly thinner because the rise would increase the earth's radius by 8km from the 6371km ...
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[ [], [] ]
396q0e
Did the concept of Italy endure even when Italy was politically fragmented?
It's common knowledge (i.e. in the encyclopedia) that after the fall of the Western Roman Empire and subsequent barbarian invasions, the land that was once Roman Italy became a collection of independent political units, many of which would eventually bring about the Renaissance, and also that the nation reunited in the...
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/396q0e/did_the_concept_of_italy_endure_even_when_italy/
{ "a_id": [ "cs13mm1" ], "score": [ 7 ], "text": [ "Italy remained a concept from the fall of the Roman Empire up through the Risorgimento. To what extent different parts of what are modern day Italy (plus some parts that are in modern-day Slovenia) considered themselves Italian very likely varied...
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[ [] ]
1luw9p
why isn't there a national conversation about the mass genocide of the native americans? it seems to just be a glazed over part of our history.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1luw9p/eli5_why_isnt_there_a_national_conversation_about/
{ "a_id": [ "cc2zea9" ], "score": [ 2 ], "text": [ "Because genocide is mass intentional murder. What happened to the majority of the native americans occurred between the time of the first explorers and the pilgrims. The first explorers brought diseases with them that the native americans had n...
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[ [] ]
1bqcr3
how does ballistic missile defense system work?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1bqcr3/eli5how_does_ballistic_missile_defense_system_work/
{ "a_id": [ "c9912ro", "c994njt", "c997r73" ], "score": [ 21, 3, 17 ], "text": [ "Yo dawg, we heard you like missiles, so we're shooting missiles at your missiles so you can... Yeah nevermind that.\n\nBut basically that's what's done, at least with an antiballistic missile system. ...
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[]
[ [ "http://en.wikipedia.org/wiki/Patriot_missile", "http://en.wikipedia.org/wiki/Phalanx_CIWS" ], [], [] ]
2hij7i
when i eat a bunch of sour fruits, for example sour apples or a lemon, why are my cheeks and forehead sweating so much?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2hij7i/eli5_when_i_eat_a_bunch_of_sour_fruits_for/
{ "a_id": [ "cksz7r5" ], "score": [ 2 ], "text": [ "I never experienced this myself but was intrigued as to why, so I did some research and found this answer.\n\n > In general, sweating is caused by too much heat, even if you're not aware of the heat. This can happen if the bowel moves and so rais...
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[ [ "http://biology.stackexchange.com/questions/5156/does-sour-food-cause-sweating" ] ]
2oqc0t
why does youtube say a video has 301+ views during the first few hours of a new video posted?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2oqc0t/eli5why_does_youtube_say_a_video_has_301_views/
{ "a_id": [ "cmpix26", "cmpix8a", "cmpixs2" ], "score": [ 4, 2, 3 ], "text": [ "At 300 YouTube holds the count to make sure it's getting legit views. Sometimes two or more counts get in at the same time so often it's caught on 301", "This has been covered [here](_URL_0_)\n\nBa...
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[ [], [ "http://youtu.be/oIkhgagvrjI" ], [ "http://m.youtube.com/watch?v=oIkhgagvrjI" ] ]
lxmb9
eil5: greek economic crisis and its ramifications for germany and the eurozone
I read a lot of economic blogs but when it comes to the EU economic situation, I feel like I'm trying to understand the causes of WWI -- I'm looking for a simple narrative but there isn't one (except the "Greeks are lazy takers of EU money," which I learned is demonstrably untrue based on average working hours.)
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/lxmb9/eil5_greek_economic_crisis_and_its_ramifications/
{ "a_id": [ "c2wgt61", "c2wgt61" ], "score": [ 3, 3 ], "text": [ "Greece has a history of poor financial management, which meant they tended to inflate away their debt, which meant that they had to borrow at relatively high rates. When they joined the EU and Euro they agreed to manage the...
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[ [], [] ]
1uy5o5
During the middle ages, what was the common way to travel from England to Acre/Jerusalem, and how long did it take?
I've been trying to find out how a small group of individuals would travel in approx. 1190. From my research on Google I've looked at maps from the third crusade which shows both boat and land travel, but I'm not sure if someone not involved in the crusades would take those routes or not. Additionally, I've not been ab...
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1uy5o5/during_the_middle_ages_what_was_the_common_way_to/
{ "a_id": [ "cemy8ss" ], "score": [ 22 ], "text": [ "It depends on time and how wealthy you were - we'll stick to the crusading period from ca.1190-ca.1290.\n\nIf you were poor, you walked the whole way, across France, through the Alps, down through the Balkans into the Byzantine Empire, across As...
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9zg740
why do your legs turn red when taking a shower?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9zg740/eli5_why_do_your_legs_turn_red_when_taking_a/
{ "a_id": [ "ea8whut" ], "score": [ 6 ], "text": [ "The hot water heats up the capillaries under your skin which makes them fill with more blood - Warmth causes blood vessels to dilate, which causes more blood to near the surface of the skin. When the body is warm, more blood is able to near the s...
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1pn6zn
what happens to a recovered opiate addict if they require opiates for anesthesia or pain management?
What happens to someone who has recovered from an opiate dependency and then needs surgery or pain management? Will it force a relapse? are there any alternatives? Thanks
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1pn6zn/eli5_what_happens_to_a_recovered_opiate_addict_if/
{ "a_id": [ "cd40d04" ], "score": [ 3 ], "text": [ "This depends on the hospital, I think, and their procedures.\n\nIf someone has a known opiate addiction or dependency, pain management specialists would be consulted to carefully manage the case. The usual method would be to avoid using potential...
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5atq17
what exactly is human trafficking?
I've been browsing social media and reading stuff and this is something the comes up from time to time. What is it exactly?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/5atq17/eli5_what_exactly_is_human_trafficking/
{ "a_id": [ "d9j802c", "d9j8105", "d9j87b3", "d9j8aeo", "d9j8dsq", "d9jq0nv", "d9jyh8c" ], "score": [ 6, 2, 2, 7, 4, 2, 2 ], "text": [ "Human trafficking is the illegal trade in people for the purposes of commercial sexual exploitation and other form...
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[ [], [], [], [], [], [], [] ]
43dfmd
i visited a country recently where the exchange rate was like 1:45... and the average salary over there is like $10k... does that make them poor?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/43dfmd/elif_i_visited_a_country_recently_where_the/
{ "a_id": [ "czhf51p" ], "score": [ 10 ], "text": [ "Kind of, but not necessarily. It means that if they took their salary, exchanged it for US dollars, and tried to spend them in the US, they'd be poor.\n\nBut presumably everything is cheaper in that country as well, so that a $10k salary might a...
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dug1es
Over the years, I've heard it said that the US dropped more bombs on N. Vietnam than all of WW2. Did the US seriously consider using nuclear weapons as well? If so, what stopped their use?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/dug1es/over_the_years_ive_heard_it_said_that_the_us/
{ "a_id": [ "f76nq1h" ], "score": [ 8 ], "text": [ "There were some within the US policy establishment that advocated for the use of tactical nuclear weapons in Vietnam. The reasons to oppose such a policy were many. From a political standpoint, it would have alienated the already-alienated Americ...
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223t8i
will the us financial economy ever recover to the same degree of the mid-2000 collapse? interest rates on bank cd's etc. is it possible to surpass previous levels of financial security somehow?
I'm wondering if at our current "progress" there is any turning back to "good ol' days" or have we evolved past being able to go back at this stage?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/223t8i/eli5_will_the_us_financial_economy_ever_recover/
{ "a_id": [ "cgj1yhy", "cgj2qem", "cgj50hi" ], "score": [ 4, 7, 2 ], "text": [ "We're already setting new highs in numerous areas. Interest rates are looking to rise as the Fed scales back their efforts to keep them low.\n\nThe US economy is in great shape and we are still not ful...
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[]
[ [], [ "http://www.investopedia.com/articles/06/interestaffectsmarket.asp" ], [ "http://www.economonitor.com/blog/2013/08/why-the-us-economy-wont-fully-recover/" ] ]
ax53ey
If the Earth moves far and long enough from the sun, would the core freeze? And if so, how long would it take?
askscience
https://www.reddit.com/r/askscience/comments/ax53ey/if_the_earth_moves_far_and_long_enough_from_the/
{ "a_id": [ "ehrjtnp", "ehrso9u" ], "score": [ 21, 2 ], "text": [ "The internal heat budget of the Earth is not influenced appreciably by solar radiation. Rocks are generally not great conductors, so the incoming solar radiation only effects the temperature down to a few 10s of meters belo...
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[ [ "http://science.sciencemag.org/content/sci/299/5613/1675.full.pdf", "https://en.wikipedia.org/wiki/Earth%27s_internal_heat_budget#Radiogenic_heat", "https://en.wikipedia.org/wiki/Earth%27s_internal_heat_budget#Primordial_heat", "https://www.sciencedirect.com/science/article/pii/S0040195198000262",...
3vqhks
what's the difference between a screw gun and an impact driver?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3vqhks/eli5_whats_the_difference_between_a_screw_gun_and/
{ "a_id": [ "cxpsude", "cxpxi9q" ], "score": [ 2, 2 ], "text": [ "If you're talking about a regular drill and an impact wrench, the difference is that a traditional drill rotates at a constant speed. Whereas, impact wrenches literally use small, repeated impacts and higher torque to do the...
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[ [], [] ]
997nn2
What does the amount of blades do for a airplane or helicopter?
askscience
https://www.reddit.com/r/askscience/comments/997nn2/what_does_the_amount_of_blades_do_for_a_airplane/
{ "a_id": [ "e4mihev" ], "score": [ 6 ], "text": [ "assuming the blade profile does not change, the increased number of blades will provide more lift or thrust per revolution, but consume more power. We like t use more blades or a larger profile to keep the tip velocity down, going sonic uses exc...
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6vvokn
how do flea collars work?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6vvokn/eli5_how_do_flea_collars_work/
{ "a_id": [ "dm3ehpk", "dm3eqqe", "dm3fcgo" ], "score": [ 17, 5, 3 ], "text": [ "Flees travel from the body to the eyes and mouth to get water, so if you put band of something that kills fleas along the route they die. ", "Flea collars are actually fairly ineffective. You're es...
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[ [], [], [ "https://www.reddit.com/r/explainlikeimfive/comments/1l30bw/eli5_how_do_flea_collars_work/", "https://www.reddit.com/r/explainlikeimfive/comments/2k5tf7/eli5_how_do_flea_collars_work/" ] ]
buk5c2
how come mammals’ fur doesn’t come in a wider array of colors like green, blue, pink or purple?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/buk5c2/eli5_how_come_mammals_fur_doesnt_come_in_a_wider/
{ "a_id": [ "epdcbr9", "epde3vl", "epdfo9u", "epdhk01", "epdhsfc", "epdhv3a", "epdksfg", "epdmmsl" ], "score": [ 764, 42, 8, 2, 733, 2, 2, 7 ], "text": [ "The only reason reptiles like snakes are brightly colored is to alert predators that th...
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[ [], [], [], [ "https://www.youtube.com/watch?v=pyhULLXLUDw" ], [ "https://www.youtube.com/watch?v=pyhULLXLUDw" ], [], [ "http://i.imgur.com/QCqfkS7.jpg" ], [ "https://animals.sandiegozoo.org/sites/default/files/inline-images/mandrill_male.jpg", "https://en.wikipedia.org/wiki/...
ahz8bl
Why isn't metastatic cancer contagious if it's technically contagious within the body?
askscience
https://www.reddit.com/r/askscience/comments/ahz8bl/why_isnt_metastatic_cancer_contagious_if_its/
{ "a_id": [ "eejq3pw" ], "score": [ 17 ], "text": [ "Cancer is able to survive in your body in part because the biomarkers are the same as your cells. You have defenses against cancer, but if that fails the cancer can spread through your lymphatic system.\n\nOutside of the body, cancer cells are u...
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74c0gg
if nuclear fallout is such a huge concern. how are nations able to test nuclear weapons within their borders.
If it's because it's done in remote places. Does that mean areas far away from major cities likely to be attacked are safe?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/74c0gg/eli5_if_nuclear_fallout_is_such_a_huge_concern/
{ "a_id": [ "dnx3yu4", "dnx47a7", "dnx4v29", "dnx8c35", "dnxh62e", "dny44hy" ], "score": [ 17, 2, 18, 3, 5, 3 ], "text": [ "Largely countries do their testing now underground, which limits the amount of fallout. Fallout is about radioactive particles getti...
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[ [], [], [], [ "https://en.wikipedia.org/wiki/Partial_Nuclear_Test_Ban_Treaty" ], [], [ "http://blog.nuclearsecrecy.com/wp-content/uploads/2014/02/1986-OakRidgeFallout-ORNL-6252.jpg", "http://blog.nuclearsecrecy.com/wp-content/uploads/2013/08/Fallout_Map_3-23-1963-Saturday-Evening-Post.jpg", ...
7xr7ne
How is an “increased risk of cancer” actually measured?
The news today showed an article regarding processed food being shown to “increase to risk of cancer by 12%” (or words to that effect). How do scientists measure the increased risk of something??
askscience
https://www.reddit.com/r/askscience/comments/7xr7ne/how_is_an_increased_risk_of_cancer_actually/
{ "a_id": [ "dub5o4r" ], "score": [ 2 ], "text": [ "As part of the scientific process researchers use control groups. Control groups are as close to the demographic of the test group as possible, only absent the variable to be tested. They then measure instances of the risk in both groups, and co...
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50wu8q
How was the myth that people in the middle ages believed the earth was flat, started?
The Greeks had calculated the earth's circumference hundreds of years before, thus proving the earth was round, yet most people believe the myth that everyone back then believed the earth was flat. How did this happen?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/50wu8q/how_was_the_myth_that_people_in_the_middle_ages/
{ "a_id": [ "d77u3e1" ], "score": [ 9 ], "text": [ "Not only did the Greeks know the earth was round and estimate the earth's cirumference, Arab astronomers managed to estimate the earth's diameter roughly accurately in the 9th century AD. Ahmad al-Farghani (c. 850 AD) observed that the earth's ro...
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1mwq2n
TATA Box and transcription direction?
Hey all, So it is my understanding that a TATA box is upstream of the transcription site by ~20-30 BP. Since RNA is synthesized in the 5` to 3` direction, wouldn't the TATA box exist on the 3` strand? I ask this because my professor posted a picture of double stranded DNA with a labeled TATA section and several ar...
askscience
http://www.reddit.com/r/askscience/comments/1mwq2n/tata_box_and_transcription_direction/
{ "a_id": [ "ccdf03o" ], "score": [ 5 ], "text": [ "Your description is correct but you are not interpreting it correctly. The TATA box is \"upstream\", ie towards the 5' end. Transcription would start about 25 bp \"downstream\", ie 3' of the TATA box on the same strand. " ] }
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3krx9f
What is the historicity of the writing of the Quran?
I looked through the FAQ for this topic and while there are similar questions asked and information related to this question written, there doesn't seem to be anything about this question specifically. The religious interpretation of the writing of the Quran is that God, through an angel, revealed the text word-for-w...
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/3krx9f/what_is_the_historicity_of_the_writing_of_the/
{ "a_id": [ "cuzxzre" ], "score": [ 6 ], "text": [ "As the story goes, Muhammad first received communication from the Angel Gabriel in 610. He then did not receive another communication for quite some time, then he started receiving Qur'anic verses on a regular basis until his death.\n\nVerses wer...
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[ [ "https://www.rawstory.com/2015/08/carbon-dating-suggests-worlds-oldest-koran-is-even-older-than-the-prophet-muhammad/" ] ]
4ez71a
why are our veins sometimes flush with the skin, while other times they are raised?
Especially around the forearm/back of hand, why do our veins switch like this?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4ez71a/eli5_why_are_our_veins_sometimes_flush_with_the/
{ "a_id": [ "d24lv2r" ], "score": [ 2 ], "text": [ "When your body is warm and trying to cool down, it can do so by expanding your vessels near the surface of the skin, promoting release of heat to the environment. If you are extremely cold, the vessels near your skin constrict to help conserve he...
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1r42on
Has there ever been an example of a pre-modern army or nation going to war primarily for humanitarian reasons?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1r42on/has_there_ever_been_an_example_of_a_premodern/
{ "a_id": [ "cdjfnms", "cdjizam", "cdjj8mz", "cdjlp6x" ], "score": [ 4, 15, 30, 8 ], "text": [ "What exactly do you mean by \"humanitarian reasons\"?", "Note: This is not a historical answer but important clarification for understanding the question.\nYou have to be ver...
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[ [], [], [ "http://www.metu.edu.tr/~utuba/Finnemore.pdf" ], [ "http://en.wikipedia.org/wiki/Cambodian%E2%80%93Vietnamese_War", "http://www.sss.ias.edu/files/pdfs/Walzer/TriumphJustWarTheory.pdf" ] ]
1u1hgw
How many Spaniards actually moved to and settled in Spanish possessions in the New World?
Spain's involvement in the Americas seems to mainly be conquest (Aztecs, Incans, etc.) Was there anything resembling the type of colonization seen in America's thirteen colonies?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1u1hgw/how_many_spaniards_actually_moved_to_and_settled/
{ "a_id": [ "cedxyaq" ], "score": [ 5 ], "text": [ "According to Jose C. Moya in The Oxford Handbook of Latin American History, there were about one million Spanish immigrants and about half a million Portuguese immigrants to their respective possessions in the Americas (8). According to J.H. Ell...
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aph9qu
Did teenager pregnancy rates rise with the new availability of cars in the 1920s?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/aph9qu/did_teenager_pregnancy_rates_rise_with_the_new/
{ "a_id": [ "eg9da14" ], "score": [ 72 ], "text": [ "/u/chocolatepot covers some of this in her [How common were flappers in the Roaring Twenties](_URL_1_) and in previous answers linked in that one. \n\nI can’t precisely say if it did or didn’t raise the pregnancy rates slightly, but the importan...
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[ [ "https://old.reddit.com/r/AskHistorians/comments/8a74w1/how_common_was_it_for_white_female_slave_owners/dwxxb98/", "https://www.reddit.com/r/AskHistorians/comments/89rptw/how_common_were_flappers_during_the_roaring_20s/", "https://www.reddit.com/r/AskHistorians/comments/7anfdx/what_did_guys_do_to_expr...
7bi477
Paratroopers that didn't need parachutes
I recall reading about a group of soldiers that were to be deployed in some jungles around ww2 or Vietnam. They were known for their fearlessness but prior to the jump they didn't know they'd be using parachutes. They had just asked for the pilot to be flying low when they jumped out. Who was this group of soldiers? S...
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/7bi477/paratroopers_that_didnt_need_parachutes/
{ "a_id": [ "dpimbks" ], "score": [ 15 ], "text": [ "In the versions of that story I'm most familiar with the potential paratroops are Gurkhas. John Masters was a British officer whose first posting was to the 2nd Battalion of the 4th Prince of Wales's Own Gurkha Rifles, in his 1956 autobiography ...
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3td055
if humans are 80% water, why are we classified as carbon-based?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3td055/eli5_if_humans_are_80_water_why_are_we_classified/
{ "a_id": [ "cx53xrf", "cx544su", "cx54ozr", "cx5enqs" ], "score": [ 15, 61, 9, 2 ], "text": [ "The important chemical and structural components are based on carbon-centric molecules.\n\nThe water is just cell filler. It adds volume and acts as a solvent for liquid chemist...
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[ [], [], [], [] ]
1xd5m1
how can redbull and monstersponsor so much sport things, it feels like everybody is sponsored by them
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1xd5m1/eli5_how_can_redbull_and_monstersponsor_so_much/
{ "a_id": [ "cfa99ye" ], "score": [ 4 ], "text": [ "They have a lot of money and want to have advertisements around their biggest demographic." ] }
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8btaab
In the late Roman Republic and early Empire, we see many similar busts of nobles, all with the same short cut and clean shaven face, but by the time we get to the Reign of Marcus Aurelius, long loose curls and full beards start to become a trend. How did this happen? Where did the fashion come from?
The Romans had an obsession with displaying virtue; in the later Republic, young successful men would order busts that made them seem older, more wrinkled, as age was a sign of wisdom. Augustus may have changed the trend of worshiping the past by introducing youthful hopeful traits into his busts and statues (most nota...
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/8btaab/in_the_late_roman_republic_and_early_empire_we/
{ "a_id": [ "dx9ne9b" ], "score": [ 3 ], "text": [ "It became much more common around the time of the Punic Wars and thereafter (as Rome was expanding, integrating and becoming more and more of a regional hegemon) to have Greek tutors teach upper-class Romans. This gave them a more refined and He...
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qdlzv
When a neuron dies, how does the replacement neuron re-establish the connections of the dead neuron?
askscience
http://www.reddit.com/r/askscience/comments/qdlzv/when_a_neuron_dies_how_does_the_replacement/
{ "a_id": [ "c3wr39j" ], "score": [ 3 ], "text": [ "Any \"replacement neuron\" generally doesn't re-establish the connections, but then there's generally no such thing as a replacement neuron. \n\nNeurogenesis is very limited and occurs in the subgranule zone of the hippocampus integrating in the...
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gocej
Polyphasic Sleep Cycle
Hello guys, I normally just read but I've always been interested in the polyphasic sleep schedule and I was wondering if you guys might be able to give me a good unbiased view since everywhere I look I see "it's awesome!" or "we think it could be horrible because you endure sleep deprivation." I'm a college student an...
askscience
http://www.reddit.com/r/askscience/comments/gocej/polyphasic_sleep_cycle/
{ "a_id": [ "c1p2rvv", "c1p2zwi", "c1p4fn2" ], "score": [ 2, 2, 2 ], "text": [ "One of my friends has been doing this off and on for about a year now. I can't really tell you the health risks/benefits for it, but I can tell you a little about it.\n\nFirst, what you read is true abo...
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[ [], [ "http://www.stevepavlina.com/blog/2005/10/polyphasic-sleep/" ], [] ]
2ic7yh
If our universe were totally empty except for two atoms, would the two eventfully collide due to gravity?
Since gravity is just the attraction matter with mass to each other? Or am I defining gravity wrong.
askscience
http://www.reddit.com/r/askscience/comments/2ic7yh/if_our_universe_were_totally_empty_except_for_two/
{ "a_id": [ "cl0tmlb", "cl0uh4b", "cl0yddb", "cl0yj0q", "cl0z7ne", "cl114rg", "cl13ltq", "cl15tew", "cl17esu", "cl1ai1a", "cl1amgf", "cl1byah", "cl1dv4p" ], "score": [ 41, 494, 7, 17, 1552, 112, 4, 2, 5, 2, 5, 7, ...
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[]
[ [], [], [], [], [ "https://www.youtube.com/watch?v=3MNXn9YEyw8", "http://www.reddit.com/r/askscience/comments/2ic7yh/if_our_universe_were_totally_empty_except_for_two/cl14rje" ], [], [], [], [], [], [], [], [] ]
3d0091
if colds are passed on by an infected creature, how did the first creature get it?
If you get a cold from a contagious creature, how did the first creature start the spread?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3d0091/eli5_if_colds_are_passed_on_by_an_infected/
{ "a_id": [ "ct0jjhn", "ct0lppb", "ct0mszl" ], "score": [ 12, 2, 2 ], "text": [ "We're not really sure how viruses started. A virus is basically a chunk of DNA (or RNA) on it's own that can break into living cells and take over those cells to make it produce more viruses. Nobody'...
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[ [], [ "https://en.wikipedia.org/wiki/Viral_evolution" ], [] ]
4jxoir
What type of "business school" training did people get in communist countries?
A friend currently in business school asked me this question, so I figured I'd ask what was out there about Soviet/Chinese business school-equivalent education. If a communist country doesn't have "free enterprise" like a capitalist country, then what kind of training does their business class undergo?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/4jxoir/what_type_of_business_school_training_did_people/
{ "a_id": [ "d3b01nn" ], "score": [ 3 ], "text": [ "There was a recent thread on this: [What did economics classes look like in communist countries, particularly in the USSR?](_URL_0_)\n\nExcerpting the top answer by /u/suchacleverguy:\n\n > ... the focus of their curriculum was much more \"busin...
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[ [ "https://www.reddit.com/r/AskHistorians/comments/3wolok/what_did_economics_classes_look_like_in_communist/" ] ]
8s2wmm
why do suntans start to fade?
[deleted]
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/8s2wmm/eli5_why_do_suntans_start_to_fade/
{ "a_id": [ "e0w4hdm", "e0wda37" ], "score": [ 9, 2 ], "text": [ "Because you’re constantly shedding the damaged tanned skin cells with new non tan skin cells", "If you rub your arm you get little black \"eraser dirt\", that is dead skin.\n\nThis shedding of dead skin happens naturally...
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[ [], [] ]