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253rqu
When was the last time a general was captured as a prisoner of war?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/253rqu/when_was_the_last_time_a_general_was_captured_as/
{ "a_id": [ "chdenoq", "chdfba7" ], "score": [ 3, 3 ], "text": [ "Definitely more recent than WW2 was the capture of US Major General William F. Dean in the Korean War.\n\nSaddam Hussein was officially the Commander in Chief of the Iraqi Mujahed Armed Forces. He was also treated as a priso...
[]
[]
[ [ "http://www.icrc.org/eng/resources/documents/faq/5v7kdz.htm" ], [] ]
1k30h1
Could the Romans have build a steam engine? The Byzantines or maybe the Chinese? What technologies are needed to build a steam engine and when was the earliest that one could have been built?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1k30h1/could_the_romans_have_build_a_steam_engine_the/
{ "a_id": [ "cbkv1k3", "cbkvm9l", "cbkwcex", "cbkwxyu", "cbkx8fg", "cbl0947", "cbl5dq8" ], "score": [ 38, 485, 4, 9, 21, 3, 9 ], "text": [ "If we define a steam engine as a machine that is powered by steam, then [Hero of Alexandria's aelophile](_URL_...
[]
[]
[ [ "http://en.wikipedia.org/wiki/Evangelista_Torricelli", "http://en.wikipedia.org/wiki/Aeolipile" ], [], [ "http://www.youtube.com/watch?v=lOQATN2nTfk" ], [ "http://en.wikipedia.org/wiki/History_of_the_steam_engine", "http://en.wikipedia.org/wiki/John_Fitch_(inventor\\)", "http://e...
12us3d
So, about Brazilian participation in WWII...
I'm not quite interested in the reasons as for that part there are lots of sources. But, when it comes to the battles per se, history (at least on my side of the Atlantic) is surprisingly reticent. Some say Brazilians became famous as fierce, borderline lunatic fighters. Some go even further and say that a platoon made...
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/12us3d/so_about_brazilian_participation_in_wwii/
{ "a_id": [ "c6ysm80" ], "score": [ 2 ], "text": [ "Militærhistorie, a Norwegian magazine on military history had a profile on Brazilian infantryman 1944-45 in issue 1-2012. Not much, so the relevant stuff:\n\nThe soldiers were sent to Italy without equipment, but were given US equipment when they...
[]
[]
[ [] ]
eo7le5
Why does shampoo become foamy when lathered, but conditioner remains lotion-like?
askscience
https://www.reddit.com/r/askscience/comments/eo7le5/why_does_shampoo_become_foamy_when_lathered_but/
{ "a_id": [ "fedqlho", "feetsdk" ], "score": [ 9, 2 ], "text": [ "Shampoo is, at its core, a kind of soap. All soaps, at the [molecular level](_URL_0_), have a hydrophillic end and a hydrophobic end. The process of washing with soap creates \"balls\" of soap molecules that trap dirt partic...
[]
[]
[ [ "https://gradeup-question-images.grdp.co/liveData/PROJ4618/1495124050013594.jpg", "https://qph.fs.quoracdn.net/main-qimg-4c872122328a7badf8dce5e2c1c28030-c" ], [] ]
2wwg30
why don't bookstores offer the same prices in-store as they do online?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2wwg30/eli5_why_dont_bookstores_offer_the_same_prices/
{ "a_id": [ "coupwnz" ], "score": [ 3 ], "text": [ "Brick and mortar stores have more overhead that needs to be covered by the sale of books (rent, power, employee wages, insurance, etc.). Typically online warehouses have less overhead. Additionally, some states to not charge tax or charge a lower...
[]
[]
[ [] ]
v7vpr
What has, historically, lead to the unique development of a univeral welfare state seen in the Scandinavian countries?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/v7vpr/what_has_historically_lead_to_the_unique/
{ "a_id": [ "c523vhs", "c52jvye" ], "score": [ 3, 3 ], "text": [ "It ain't unique, for starters. Australia has a universal welfare state. So do many other democratic capitalist countries. \n\nI think the better question is what led to the unique development of a universal **anti-**welfare ...
[]
[]
[ [], [] ]
36aecx
What is the heaviest rainfall possible under natural conditions?
Heaviest meaning inches/hour or a similar metric. Not heaviest raindrops. I think that would be a different question altogether.
askscience
http://www.reddit.com/r/askscience/comments/36aecx/what_is_the_heaviest_rainfall_possible_under/
{ "a_id": [ "crcysjy" ], "score": [ 3 ], "text": [ "The first difficulty in answering this question is that rainfall is dependent on spatial and temporal resolution. Consider this: an intense thunderstorm may produce a very high rain rate but it has limited area coverage (typically several km). If...
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[]
[ [] ]
1gcy8a
why scientists haven't been able to produce a drug that makes fat people skinny
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1gcy8a/eli5_why_scientists_havent_been_able_to_produce_a/
{ "a_id": [ "caj08fn", "caj0f54", "caj1fl4", "caj1pj5", "caj1urv", "caj1yyf", "caj22pf", "cajbnsa" ], "score": [ 29, 12, 7, 5, 12, 4, 7, 2 ], "text": [ "They have. There have been all kinds of weight loss medications made. Remember Fen Phen...
[]
[]
[ [], [], [ "http://en.wikipedia.org/wiki/Ketoacidosis" ], [], [], [], [], [] ]
27ea8k
how do world leaders (like at the g7 meeting right now) communicate during their roundtable dinners?
Pictures from the event shows that it's just the politicians at the table, and no translators. I imagine that they use earpieces, but with English, French, Italian, German, and Japanese all represented, wouldn't conversation move slowly with all the translating occurring?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/27ea8k/eli5_how_do_world_leaders_like_at_the_g7_meeting/
{ "a_id": [ "chzysdz", "chzz88c", "ci018cr", "ci0etwh" ], "score": [ 28, 19, 7, 4 ], "text": [ "Most world leaders can all speak English. ", "English is the [lingua franca](_URL_0_) nowadays. It is understood that to be a high politician or businessperson you'd have to ...
[]
[]
[ [], [ "http://en.wikipedia.org/wiki/Lingua_franca" ], [], [ "http://www.youtube.com/watch?v=4blKB1_Cc54&t=0m18s", "http://www.youtube.com/watch?v=ApRaK516PZU&t=3m5s", "http://www.youtube.com/watch?v=aMJJAmUybvQ&t=4m35s", "http://www.youtube.com/watch?v=cGZWR5S1lCo&t=0m7s"...
9a6edc
when and why did the notion (in fiction) that acute exposure to ionizing radiation causes drastic changes in an individuals (extra limb/super powers) arise?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9a6edc/eli5_when_and_why_did_the_notion_in_fiction_that/
{ "a_id": [ "e4t1hjj", "e4t9up1", "e4tfm7b", "e4tgnt4", "e4tmfbf", "e4ttcrq" ], "score": [ 18, 2, 2, 8, 2, 2 ], "text": [ "Early on in the discovery and understanding of DNA, we believed that DNA could be manipulated in certain ways to achieve superhuman eff...
[]
[]
[ [], [], [ "https://en.m.wikipedia.org/wiki/Mutation_breeding" ], [], [], [] ]
2p3ncw
How long did it take after the fall of Rome before the tech level was the same again?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/2p3ncw/how_long_did_it_take_after_the_fall_of_rome/
{ "a_id": [ "cmt43lz" ], "score": [ 19 ], "text": [ "Hi, this is a very common mistake that people got \"stupider\" after the fall of Rome or any significant amount of knowledge 'disappeared' after the fall. We have a pretty extensive FAQ which gathers some of the better answers to them. The first...
[]
[]
[ [ "http://images.fineartamerica.com/images-medium-large/barcelona-cathedral-yhun-suarez.jpg", "http://www.historymuseum.ca/cmc/exhibitions/hist/frobisher/images/fr57602b.jpg", "http://www.reddit.com/r/AskHistorians/comments/10an7j/how_was_the_relationship_between_the_church_and/", "http://www.adayno...
5331wa
When will certain stars in constellations (such as the Big Dipper) disappear?
The star, Dubhe, in the big dipper, when will it 'burn out' to where it's no longer seen in the constellation? I know that the star is burning hydrogen right now. When it's out of hydrogen, it'll burn helium, and then when it's out of helium, turn into a 'white dwarf' then a 'black dwarf'. Is the 'black dwarf' stage ...
askscience
https://www.reddit.com/r/askscience/comments/5331wa/when_will_certain_stars_in_constellations_such_as/
{ "a_id": [ "d7q8ok9" ], "score": [ 5 ], "text": [ "Dubhe is a red giant, so it has already evolved off the main sequence and will be the first star of the Big Dipper to die. It probably has millions of years left until it collapses into a white dwarf.\n\nLong before that happens though, the stars...
[]
[]
[ [] ]
3idxzz
if caught. what would the ashley madison hacker(s) likely be charged with?
I know they probably won't be since they appear to have taken most precautions but everyone is so accepting of the hack as in "f all cheaters" I wonder if courts would likely go easy on them? Also would they take into account things such as the guys who killed themselves or whatever millions it cost Ashley Madison. I k...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3idxzz/eli5_if_caught_what_would_the_ashley_madison/
{ "a_id": [ "cufk3k8", "cufken5", "cufkf5f" ], "score": [ 15, 5, 3 ], "text": [ " > I wonder if courts would likely go easy on them?\n\nNot likely. The courts are designed to take all emotional aspects out of a trial. In practice, sometimes it's shady. But generally the defendant...
[]
[]
[ [], [ "https://www.law.cornell.edu/uscode/text/18/1030" ], [] ]
28q311
why do we have self esteem?
Is self esteem just made up or is it actually a part of our brain, do we NEED to have self esteem? Do animals have self esteem?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/28q311/eli5_why_do_we_have_self_esteem/
{ "a_id": [ "cidcq4e" ], "score": [ 4 ], "text": [ "Everyone has thoughts and feelings about themselves, and \"self esteem\" is really just a fancy term for this. If you look at different people, you will see that people who feel pretty good about themselves, and feel like they can do well at some...
[]
[]
[ [] ]
3ii5x8
why do cats always seem to run away from dogs instead of the other way around?
I have a cocker spaniel and I noticed that whenever she meets a cat, no matter whether it's bigger or smaller than her (and usually it's either the same size or smaller than the cat, she's only a puppy yet), the cat always seems ready to flee first, whereas my dog automatically assumes a threatening position and is rea...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3ii5x8/eli5_why_do_cats_always_seem_to_run_away_from/
{ "a_id": [ "cugmb5f", "cugq8gz" ], "score": [ 7, 2 ], "text": [ "Cats are suited to ambushing; the attack pattern universal to most cats involves pouncing from behind and biting the back of the neck, and their physiology favors this with a body streamlined for speed and light footing. \n\...
[]
[]
[ [], [] ]
cnk6ee
why is losing your job called being "fired"?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/cnk6ee/eli5_why_is_losing_your_job_called_being_fired/
{ "a_id": [ "ewbf0vt", "ewbqo3u", "ewbqsy7", "ewbrwrl", "ewbt0e8", "ewbto9z", "ewbugo7", "ewbv37l", "ewc0ulm" ], "score": [ 1088, 4, 3, 63, 7, 2, 7, 2, 2 ], "text": [ "According to [etymology online](_URL_0_) it has its roots in the c...
[]
[]
[ [ "https://www.etymonline.com/word/fire" ], [], [], [], [ "http://www.thelog.org.uk/more06.html" ], [], [], [], [] ]
141657
what is a "non-member observer state", and what does this mean for palestinians?
Reference? _URL_0_
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/141657/eli5_what_is_a_nonmember_observer_state_and_what/
{ "a_id": [ "c790bai" ], "score": [ 3 ], "text": [ "Its a half-way step to becoming a full-blown member of the UN. It is recognized as an official country (State), which means they get to send a representative to sit in and listen to the goings-on in the UN (Observer), but not cast any votes (Non-...
[]
[ "http://www.reddit.com/r/worldnews/comments/140m1g/un_votes_to_upgrade_palestinians_to_nonmember/" ]
[ [] ]
74rboo
If my 60 GB phone is full or empty, is there any difference in weight at the nano level?
askscience
https://www.reddit.com/r/askscience/comments/74rboo/if_my_60_gb_phone_is_full_or_empty_is_there_any/
{ "a_id": [ "do0qcws", "do0xkkp", "do0y5kd", "do104tx", "do105zr", "do1d356", "do1e8pz", "do1l2c1", "do20gao" ], "score": [ 6978, 1499, 99, 31, 38, 11, 2, 4, 2 ], "text": [ "Yes, if my understanding of this article is correct:\n_URL_0...
[]
[]
[ [ "http://www.nytimes.com/2011/10/25/science/25qna.html" ], [], [], [], [], [], [], [], [] ]
6gefk3
Why does it seem like the Spanish conquered most of the world except the USA?
It seems like all the current Spanish speaking countries spoke Spanish and were thus conquered by the Spanish long before the american colonies came, unless I'm mistaken. It just seems like there would have been a shitload more Spanish speaking allies from all those countries fighting together to save/conquer America ...
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/6gefk3/why_does_it_seem_like_the_spanish_conquered_most/
{ "a_id": [ "dipp8kv", "diptb6p" ], "score": [ 11, 22 ], "text": [ "Before I try to answer this (Can't promise anything), are you asking why the Spanish didn't settle in northern America or why they didn't try to attack it after the english-speaking northern colonies were formed?", "By...
[]
[]
[ [], [] ]
2c0pfx
How do plants manage to attack each other without destroying themselves or offspring? e.g. oils that inhibit germination
Also are there species which use these methods to outright destroy other plants for their future gain?
askscience
http://www.reddit.com/r/askscience/comments/2c0pfx/how_do_plants_manage_to_attack_each_other_without/
{ "a_id": [ "cjax0kq" ], "score": [ 7 ], "text": [ "We call the process of a plant pre-emptively fighting off other plants [negative allelopathy](_URL_1_). This is often done through the use of tertiary metabolites or secreted proteins. [Eucalyptus trees](_URL_2_) are a common example of this proc...
[]
[]
[ [ "http://en.wikipedia.org/wiki/Strangler_fig", "http://edis.ifas.ufl.edu/hs186", "http://hs.scib.ac.cn/inc/paper_sfu/200905.pdf" ] ]
1aj15b
The technology to get humans to Mars and keep them alive there exists. The technology to bring humans from Mars back to Earth simply does not exist yet. Why is that?
I was reading [this article](_URL_0_) and it struck me as kind of weird that we couldn't get people back from Mars. Is it a fuel problem or what?
askscience
http://www.reddit.com/r/askscience/comments/1aj15b/the_technology_to_get_humans_to_mars_and_keep/
{ "a_id": [ "c8xxdq6", "c8y4cuo" ], "score": [ 7, 2 ], "text": [ "Pretty much the fuel, yes. We'd need to both lift the return trip fuel out of Earth orbit and land it safely on Mars. To land it safely, we need to bring more fuel to slow it down when we get there - so we need to lift even ...
[]
[ "http://www.cbc.ca/news/world/story/2013/03/16/mars-one-live-die-mars.html?cmp=rss" ]
[ [], [ "http://en.wikipedia.org/wiki/Mars_Direct", "http://www.amazon.com/The-Case-Mars-Settle-Planet/dp/145160811X/ref=sr_1_1?ie=UTF8&qid=1363650199&sr=8-1&keywords=the+case+for+mars" ] ]
238t74
How accurate is pop culture's portrayal of Native Americans as "one with nature"
In movies and such, Native American tribes are often shown to be much more environmentally friendly and conscious compared to their European counterparts, going so far as to share a "bond" with mother nature. How accurate is this? Did Native Americans really treat all nature with respect, or did their relatively small ...
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/238t74/how_accurate_is_pop_cultures_portrayal_of_native/
{ "a_id": [ "cgupmmo", "cgutbjn", "cguyons", "cgvqoku" ], "score": [ 15, 2, 3, 2 ], "text": [ "A bit of both. There was a lower permanent population density before white settlement which is an important factor. However, historians have shown that many tribes did not have th...
[]
[]
[ [], [], [], [] ]
1bzs6q
Did the average peasant understand Shakespeare's plays?
Shakespeare is known as one of the most impressive playwrights of all time, yet common folk- in modern times- have to take a lot of time translating different jokes and simply re-reading his plays to even understand what is happening. While it is easier to understand when actually seen on stage, as it would have been, ...
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1bzs6q/did_the_average_peasant_understand_shakespeares/
{ "a_id": [ "c9bpn1b" ], "score": [ 7 ], "text": [ "Actually, you can argue that most of his plays were targeted at the lower classes. There's actually a term, [groundling](_URL_0_), for those too poor to afford the nicer seats at the Globe and had to sit in the cheaper, \"penny\" seats. For all...
[]
[]
[ [ "http://en.wikipedia.org/wiki/Groundling" ] ]
2nyan3
what happens to the particles we smell?
Are they absorbed in our nose? Do we breathe them in or digest them or what?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2nyan3/eli5_what_happens_to_the_particles_we_smell/
{ "a_id": [ "cmi4i8p", "cmi7vlb" ], "score": [ 17, 6 ], "text": [ "After they interact with the receptors in your olfactory nerves they are washed out through mucus secretions and you either sneeze them out and pick at them with your finger when you're bored.", "After they hit your sme...
[]
[]
[ [], [] ]
rm8cz
Can two wounds heal so they fuse together? For instance, if I had two cuts or burns, and they were kept in contact the entire healing process, would the skin between them fuse?
askscience
http://www.reddit.com/r/askscience/comments/rm8cz/can_two_wounds_heal_so_they_fuse_together_for/
{ "a_id": [ "c46y47r", "c46yjir", "c46ylvr", "c46zpln", "c4724od" ], "score": [ 6, 56, 22, 12, 3 ], "text": [ "You mean, say, you have a cut on two adjacent fingers, and then you held your two fingers together with a split while the cuts healed?", "Harold Gilli...
[]
[]
[ [], [ "http://newsimg.bbc.co.uk/media/images/40833000/jpg/_40833422_qvh_toper_203.jpg", "http://en.wikipedia.org/wiki/Guinea_Pig_Club", "http://en.wikipedia.org/wiki/Walking-stalk_skin_graft" ], [], [ "http://www.reddit.com/r/askscience/comments/ilriy/theoretically_if_i_were_to_cut_say_two_o...
5jbmza
Looking for a WWII Army unit (my grandfathers). Only have a picture of the crest
My grandfather passed away in 2001, and left no military records. He was drafted into the Army in 1942, and was sent to fight in Europe. Being a veteran myself, I am very interested to learn of his personal exploits and his unit's involvements. He did not speak about his involvements in WWII with the exception of when ...
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/5jbmza/looking_for_a_wwii_army_unit_my_grandfathers_only/
{ "a_id": [ "dbexa34" ], "score": [ 13 ], "text": [ "That's the Shoulder Sleeve Insignia of the [80th Infantry Division](_URL_1_). The actual \"crest\" (known as a Distinctive Unit Insignia) of the 80th Division looks like [this](_URL_4_). \n\nThe 80th Infantry Division, during World War I, was ma...
[]
[ "http://imgur.com/Rrq1dky" ]
[ [ "http://www.ibiblio.org/hyperwar/USA/ref/Casualties/", "http://www.80thdivision.com", "https://www.reddit.com/r/AskHistorians/comments/561vrb/what_was_boot_campmilitary_training_like_during/", "http://www.newrivernotes.com/topical_history_ww1_oob_american_forces.htm", "http://imgur.com/aROLz6X...
2zp12d
why do you smell burnt toast before having a stroke?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2zp12d/eli5_why_do_you_smell_burnt_toast_before_having_a/
{ "a_id": [ "cpky7w2", "cpkyd03", "cpl075a", "cpldvf8" ], "score": [ 17, 9, 2, 2 ], "text": [ "Generally speaking, you don't. It's from a Canadian Heritage Minute commercial about the first brain surgery for epilepsy. ", "Didn't know this was a thing...\n\nIt would be h...
[]
[]
[ [], [], [], [] ]
duq1l9
why do some song with spoken segments have them edited out on the radio?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/duq1l9/eli5why_do_some_song_with_spoken_segments_have/
{ "a_id": [ "f77milw", "f77mwot", "f77n0i4" ], "score": [ 2, 2, 2 ], "text": [ "I’m not 100% certain, but I think it has to do with length. If a song is too long, the least necessary parts will be edited out. \n\nThat’s my general understanding but I could definitely be wrong.", ...
[]
[]
[ [], [], [ "https://en.wikipedia.org/wiki/We_Built_This_City" ] ]
g1l25y
When slavery was legal in the US, if someone sexually assaulted another person's slave, would their be a criminal charge? What would it be?
Would the crime be something like sexual assault, like as a person, or would it be something like destruction of property/vandalism?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/g1l25y/when_slavery_was_legal_in_the_us_if_someone/
{ "a_id": [ "fnk2ad5" ], "score": [ 8 ], "text": [ "There were some laws and instances of enforcement of those laws, related to abuse or killing of another person’s slave. [Georgia](_URL_1_) codified these in their slave codes. I am not aware of any laws specifically against the rape of a slave. ...
[]
[]
[ [ "https://archives.alabama.gov/teacher/slavery/lesson1/doc1-3.html", "https://www.georgiaarchives.org/documents/Slave_Laws_of_Georgia_1755-1860.pdf", "https://www.sos.mo.gov/archives/education/aahi/earlyslavelaws/slavelaws", "https://docsouth.unc.edu/neh/keckley/summary.html", "https://www.thir...
7q9u87
pressure cooking
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7q9u87/eli5_pressure_cooking/
{ "a_id": [ "dsnioqq", "dsnjjwc", "dsnkspx" ], "score": [ 35, 6, 6 ], "text": [ "one of the things that affects how fast something cooks is the temperature. if cooking in water, without a pressure cooker, the highest temperature you can attain in 100 degrees C (or 212 degrees F). I...
[]
[]
[ [], [], [ "https://www.reddit.com/r/explainlikeimfive/comments/3ogchp/eli5_how_does_a_pressure_cooker_work_and_what/", "https://www.reddit.com/r/explainlikeimfive/comments/5hq1gp/eli5_how_do_pressure_cookers_work_and_who_still/", "https://www.reddit.com/r/explainlikeimfive/comments/2w5w4a/eli5_how_d...
3ua9g1
how did a single cell, that replicates it's dna and is supposed to be the exact same, evolve into all the life we now have on earth?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3ua9g1/eli5_how_did_a_single_cell_that_replicates_its/
{ "a_id": [ "cxd77og", "cxd77u7", "cxd7a4f" ], "score": [ 9, 2, 2 ], "text": [ "Cells don't copy their DNA perfectly. Mistakes are made, either because the machinery that makes more DNA isn't flawless or because something in the environment causes damage to the cell. Some of the co...
[]
[]
[ [], [], [ "http://www.nature.com/news/2009/090827/full/news.2009.864.html" ] ]
d496ns
why is radiation most commonly associated with the color green when in reality it is just invisible energy?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/d496ns/eli5_why_is_radiation_most_commonly_associated/
{ "a_id": [ "f08sbir", "f091ura", "f093rf7", "f096zro", "f09a5um", "f09sfj2", "f09w5w2", "f09y1de", "f0a1ea0", "f0a2ead", "f0a2tpv", "f0a4uk0", "f0a769r", "f0aldv6", "f0avr21", "f0ay2js", "f0az1k8", "f0b5udb", "f0baqrd", "f0bdve3", "f...
[]
[]
[ [ "https://en.wikipedia.org/wiki/Phosphorus", "https://en.wikipedia.org/wiki/Phosphor", "http://www.abc.net.au/science/articles/2008/05/20/2249925.htm" ], [], [ "https://en.m.wikipedia.org/wiki/Trinitite" ], [ "https://en.m.wikipedia.org/wiki/Cherenkov_radiation" ], [], [ "ht...
2r3wfj
Why was Winston Churchill against Indian independence?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/2r3wfj/why_was_winston_churchill_against_indian/
{ "a_id": [ "cnchp92" ], "score": [ 10 ], "text": [ "After reading Manchester's biography, it seems the biggest reason was simply the Victorian idea that India was somehow \"earned\" by the British empire and he wasn't about to give it up. More realistically Churchill mentions that the British are...
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[ [] ]
2420sm
why do birds and squirrels walk away from you when you approach them?
Why do most animals do this?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2420sm/eli5_why_do_birds_and_squirrels_walk_away_from/
{ "a_id": [ "ch2x362" ], "score": [ 2 ], "text": [ "They aren't curious about you like you are about them. To you, they're interesting. To them, you're huge and very likely murderous.\n\nHumans have the ability to ignore fear. Humans also have the mind-bendingly stupid habit of ignoring fear, but ...
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[ [] ]
1xmggs
What happens to a virus or infection after a host dies?
[This story about 1,000 dead bodies being found on a college campus](_URL_0_) states they may find more bodies, some from Tuberculosis patients, in unmarked graves. Do viruses and infections pose a threat long after the host has died and is buried? Is there a fear of getting sick from old illnesses in mass, unmarked ...
askscience
http://www.reddit.com/r/askscience/comments/1xmggs/what_happens_to_a_virus_or_infection_after_a_host/
{ "a_id": [ "cfcqq2y" ], "score": [ 3 ], "text": [ "It really depends on the specific virus, bacteria, ect. Some survive years while others last seconds. Infections like anthrax form a really resilient structure called a spore where they can survive for centuries until they come in contact with a ...
[]
[ "http://www.huffingtonpost.com/2014/02/10/1000-bodies-university-mississippi-insane-asylum_n_4761166.html" ]
[ [ "http://www.phac-aspc.gc.ca/lab-bio/res/psds-ftss/tuber-eng.php" ] ]
665t17
valves in engine
When car manuf. say things like hey look my gt500 has a 32 valve engine, what does that mean?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/665t17/eli5_valves_in_engine/
{ "a_id": [ "dgftxfd", "dgfvx6q" ], "score": [ 6, 3 ], "text": [ "Engines have intake valves and exhaust valves. The intake valves open as the piston is traveling down during the \"Intake stroke\" to allow air (and fuel in some cases) to enter the combustion chamber, then the valves close....
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[ [], [] ]
24tbsn
Who was the first individual to realize that light took time to get to a point, as opposed to being instantaneous?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/24tbsn/who_was_the_first_individual_to_realize_that/
{ "a_id": [ "chaq7s7" ], "score": [ 3 ], "text": [ "In *Sense and Sensibilia*, Aristotle laid out arguments against some of his contemporaries in which he argued *against* the idea of a finite speed of light. He argued it was an infinite speed. So we can trace back some realization to the speed ...
[]
[]
[ [ "http://njsas.org/projects/speed_of_light/roemer/index.html" ] ]
6h1fue
why is chicken the most common and usually the only kind of bird people eat?
Why aren't other kind of birds, like pigeons or crows, popular on the market for food?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6h1fue/eli5_why_is_chicken_the_most_common_and_usually/
{ "a_id": [ "diuq1sv", "diuq6si", "diuqfta", "diuu05g", "diuw7yo" ], "score": [ 3, 7, 2, 3, 2 ], "text": [ "Chickens are domesticated and compare one chicken compared to one crow or something. Which one has more meat? The only other birds with enough meat are not do...
[]
[]
[ [], [], [], [], [] ]
2uz4f2
why do jewish people make up just 2% of the us population, yet they are very dominant in many industries (i.e. banking, hollywood, corporate, etc.)?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2uz4f2/eli5_why_do_jewish_people_make_up_just_2_of_the/
{ "a_id": [ "cocz5it", "coczs4w", "cod1pfc", "cod3a76", "cod4k9a", "cod4us1", "cod6ket", "cod76ut", "cod87xl", "cod9eu4", "codac6r", "codd9fn", "codg2eq", "codgajs", "codh7yf", "codjrka", "codjuk5", "codl59x", "codnord" ], "score": [ ...
[]
[]
[ [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [], [ "http://learningtogive.org/faithgroups/voices/tzedakah_jewish_view_of_phil.asp" ], [], [] ]
b4gz9o
the difference between exponential growth and sequential growth?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/b4gz9o/eli5_the_difference_between_exponential_growth/
{ "a_id": [ "ej6ls4o", "ej6nj3q", "ej714js" ], "score": [ 6, 2, 2 ], "text": [ "AFAIK this would just be called a linear growth. It always grows the same amount with every step (+1 action done for every +1 loop). ", "Using the mathematics terms, one is called an arithmetic prog...
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[ [], [], [] ]
169t5b
why couldn't sauron simply create another ring?
After all, didn't he create it in the first place?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/169t5b/why_couldnt_sauron_simply_create_another_ring/
{ "a_id": [ "c7u1eqr", "c7u1g60", "c7uedkb" ], "score": [ 7, 11, 3 ], "text": [ "Sauron put his soul into the ring when making it or whatever and got killed when it melted.", "Well, as evidenced by the end of the story, Sauron seemed to tie some of his life force to the Ring. I...
[]
[]
[ [], [], [] ]
4gl47y
why are metal shavings flammable?
im just curious how Metal shavings of something like Steel can be flammable even though the metal itself ( and most others) do not combust like that.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4gl47y/eli5_why_are_metal_shavings_flammable/
{ "a_id": [ "d2ihxz9", "d2ii0ki", "d2ii0p2" ], "score": [ 5, 79, 2 ], "text": [ "Many metals are flammable but most are not *very* flammable. Shaving the metal into tiny thin bits greatly increases their surface area, exposing them to much more oxygen and also making it easier to g...
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[ [], [], [] ]
31tmex
Why is it that when I touch the end of an aux cord with the other end plugged into a speaker a loud buzzing occurs?
I have a Logitech S-00067 and when I touch the aux cord I keep plugged into it a loud buzzing occurs. This happens even if I step on it with sock on. If anyone needs to hear the sound I can add a link to the sound the speaker makes. ~TT EDIT: Thanks guys for the help!
askscience
http://www.reddit.com/r/askscience/comments/31tmex/why_is_it_that_when_i_touch_the_end_of_an_aux/
{ "a_id": [ "cq4vbym" ], "score": [ 86 ], "text": [ "Your body acts as a circuit that picks up RF signals from your mains. The signals get transmitted to your speakers and amplified to cause the hum. \n\nEdit: You can test this by listening to a clip of a 50/60 Hz test tone and comparing it to the...
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[ [] ]
ztd1q
Looking for academic sources on the Arab-Israeli 6 day war of 1967
Hi all, I'm doing an essay on this event and was wondering if anybody would be able to provide me with some good information. I'm specifically writing about why it started and why the Israeli's secured victory so quickly. if you have any book suggestions or published academic articles, it would be greatly appreciated ...
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/ztd1q/looking_for_academic_sources_on_the_arabisraeli_6/
{ "a_id": [ "c67k4i2", "c67kq0d", "c67sbyo", "c67xrpo" ], "score": [ 3, 4, 3, 3 ], "text": [ "I would suggest the two Osprey books on the Six Day War, there is one volume on the [Sinai](_URL_1_) part of the campaign and one on [Jordan and Syria](_URL_0_). They're about 90 p...
[]
[]
[ [ "http://www.ospreypublishing.com/store/The-Six-Day-War-1967--Jordan-and-Syria_9781846033643", "http://www.ospreypublishing.com/store/The-Six-Day-War-1967--Sinai_9781846033636" ], [ "http://www.amazon.com/Six-Days-War-Making-Modern/dp/0345461924" ], [], [] ]
ax62at
As a fighter pilot during the Battle of Britain, how likely was it to outlive your plane?
During the Battle of Britain, the RAF had the advantage of being able to recover their surviving pilots as they parachuted into friendly territory. But how many pilots outlived their planes? What was the survivability rate of pilots being shot down? Are there any statistics available on the subject?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/ax62at/as_a_fighter_pilot_during_the_battle_of_britain/
{ "a_id": [ "ehrywdw" ], "score": [ 20 ], "text": [ "There are plenty of statistics, though definitions and precision are always an issue. As a starting point there's [a BBC piece](_URL_2_) with Fighter Command aircraft and aircrew loss figures taken from *The Battle of Britain: Then and Now*; tha...
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[]
[ [ "https://www.battleofbritain1940.net/0042.html", "https://www.battleofbritain1940.net/contents-index.html", "https://www.bbc.co.uk/news/uk-11029903" ] ]
3b56rj
what was the point of the cold war
why did the US and the USSR begin to hate eachother?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3b56rj/eli5_what_was_the_point_of_the_cold_war/
{ "a_id": [ "csiyqmv" ], "score": [ 6 ], "text": [ "The main issue at play was sphere of influence in the world. From the side of the West (US, Canada, UK, and many other nations), it felt that communism was a threat to the way things are done here. That if it allowed the USSR to expand, the inf...
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[ [] ]
6hlrsz
Western films often depict characters getting tied down to railroad tracks and run over as a means of execution. Are there any recorded instances of that actually happening?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/6hlrsz/western_films_often_depict_characters_getting/
{ "a_id": [ "dj1hoie" ], "score": [ 2 ], "text": [ "Hi, you'll find additional responses in these threads\n\n* /u/leyebrow in [Do we know of anyone actually being tied up and left on the railroad tracks?](_URL_2_)\n\n* /u/AshkenazeeYankee in [Did criminals from the West in the 19th century actual...
[]
[]
[ [ "https://www.reddit.com/r/AskHistorians/comments/1phzg6/back_in_the_old_west_were_people_actually_tied_to/", "https://www.reddit.com/r/AskHistorians/comments/2s04dt/did_criminals_from_the_west_in_the_19th_century/", "https://www.reddit.com/r/AskHistorians/comments/3hp2y3/do_we_know_of_anyone_actually_...
1ry3il
why we get lights in front of our eyes when we stand up too quickly, please.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1ry3il/eli5_why_we_get_lights_in_front_of_our_eyes_when/
{ "a_id": [ "cds2z42" ], "score": [ 2 ], "text": [ "I'm not entirely sure that the lights that you are referring to is what I refer to as \"temporary blindness\", but I'll explain what I mean, and then we'll see.\nWhen I stand up to quickly, I often get dark spots or blindness, where my vision wil...
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[ [] ]
9t5ym0
During the inter-war period fascism developed a strong following in the UK but ultimately failed as a political movement. Is there a general consensus on the factors which lead to the failure of the movement in the UK as compared to European countries in which it was successful?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/9t5ym0/during_the_interwar_period_fascism_developed_a/
{ "a_id": [ "e8u6z92", "e8uxbev" ], "score": [ 10, 2 ], "text": [ "While you're waiting for a fuller answer, you might find an [older post](_URL_1_) of mine useful (drawing in turn on [this answer](_URL_0_)), discussing the extent that anti-fascist activism should be credited with preventi...
[]
[]
[ [ "https://www.reddit.com/r/AskHistorians/comments/8ssqqv/inspired_by_the_turn_the_western_world_seems_to/e122x1n/", "https://www.reddit.com/r/AskHistorians/comments/9682qj/the_battle_of_cable_street_has_been_portrayed_as/", "https://www.reddit.com/r/AskHistorians/comments/8432sq/what_made_the_british_u...
1rbylv
Pottery found Salar de Uyuni Bolivia
So I found this shard of pottery amongst a pile of human bones in an abandoned village on the southern side of Salar de Uyuni. I was wondering how old it could possibly be. Also any insight into what the picture on it is? _URL_0_
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1rbylv/pottery_found_salar_de_uyuni_bolivia/
{ "a_id": [ "cdls4ml" ], "score": [ 3 ], "text": [ "Dude, you really should be taking that to a museum, rather than posting it on reddit. Especially if you found it in a pile of human bones. Museum. Now." ] }
[]
[ "http://imgur.com/Ag4IEQ0,bWiQoUG#0" ]
[ [] ]
3m8s5d
Do tornadoes historically prefer flat terrain and avoid hills, or is that merely coincidence?
askscience
https://www.reddit.com/r/askscience/comments/3m8s5d/do_tornadoes_historically_prefer_flat_terrain_and/
{ "a_id": [ "cvdhs9c" ], "score": [ 5 ], "text": [ "[Link](_URL_0_)\n\n\nTornadoes can and do occur at high elevations. In fact, a tornado was recorded at 12,000 feet in California's Sequoia National Park in July 2004. The majority of tornadoes in the USA occur east of the Rockies, where atmospher...
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[]
[ [ "http://usatoday30.usatoday.com/weather/resources/askjack/archives-tornado-science.htm" ] ]
3fekb1
would farm animals (cows, pigs etc) be able to survive in their current state without human interaction?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3fekb1/eli5_would_farm_animals_cows_pigs_etc_be_able_to/
{ "a_id": [ "ctnvks1", "ctnvlqn" ], "score": [ 3, 3 ], "text": [ "no. Few at least. They might survive the summer but come winter they will most likely starve or fall pray to predators or animals better suited for their environment. Domesticated animals are really dependent on us. ", "...
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[ [], [] ]
1qmpyg
What was life like in Switzerland during WWII?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1qmpyg/what_was_life_like_in_switzerland_during_wwii/
{ "a_id": [ "cdefrwp", "cdeh88u", "cdehds4", "cdehmbz" ], "score": [ 13, 21, 205, 2 ], "text": [ "Although a work of fiction, the movie \"The Boat is Full\" (Das Boot ist voll, 1981) deals with some of the conflicts and guilt over Switzerland's war-time policies, specifical...
[]
[]
[ [], [ "http://www.reddit.com/r/AskHistorians/wiki/rules#wiki_speculate" ], [ "http://www.bbc.co.uk/history/ww2peopleswar/stories/64/a7912064.shtml", "http://www.airpower.maxwell.af.mil/airchronicles/apj/apj00/sum00/helmreich.html", "http://www.amazon.com/World-War-II-Volume-Set/dp/B000MC7H4I" ...
uprv3
[Biology] What is the maximum rate at which the human body can convert fat into energy?
What I mean is if the energy were being used as fast as it was being produced, what is the maximum power we can generate from conversion of fat to energy assuming no source of energy (i.e. food) was entering our body?
askscience
http://www.reddit.com/r/askscience/comments/uprv3/biology_what_is_the_maximum_rate_at_which_the/
{ "a_id": [ "c4xif3g" ], "score": [ 4 ], "text": [ "The body is extremely adaptable to balancing energy deficits from inadequate energy intake, and this involves a complex cascade of hormones that signal a number of metabolic changes in the tissues involved in the provision of energy substrates (a...
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[]
[ [ "http://jap.physiology.org/content/76/6/2253.short" ] ]
2litcr
What was the first animal humans domesticated? Why did we domesticate that animals instead of some other?
.
askscience
http://www.reddit.com/r/askscience/comments/2litcr/what_was_the_first_animal_humans_domesticated_why/
{ "a_id": [ "clvuc7o" ], "score": [ 3 ], "text": [ "Watched an episode of Cosmos that explained this. While Hunters and Gatherers would gather around the fire, wolves would come close trying to eat. They would throw food to the wolves and they would calmly take the food and leave them alone. For t...
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[ [] ]
1nkxlh
what are the laws regarding salary change of us congressmen?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1nkxlh/eli5_what_are_the_laws_regarding_salary_change_of/
{ "a_id": [ "ccjif44" ], "score": [ 2 ], "text": [ "Because your post isn't asking a simplified conceptual explanation, but rather for an answer, its been removed. \n\nYou should try /r/answers, /r/askreddit or even one of the more specialized answers subreddits like /r/askhistorians, /r/askscie...
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[ [] ]
2hawl1
If the moon were suddenly destroyed how soon would we feel the effects on Earth?
We all know that the moon is essential to Earth for many reasons such as ocean tides and the tilt of the Earth. So, if somehow the moon were suddenly to be destroyed how quickly would we feel the effects and what exactly would happen?
askscience
http://www.reddit.com/r/askscience/comments/2hawl1/if_the_moon_were_suddenly_destroyed_how_soon/
{ "a_id": [ "ckr03pz", "ckr42c3" ], "score": [ 27, 10 ], "text": [ "Gravitational effects travel at the speed of light, which is ~300,000 km/s. The moon is ~384,000 km from Earth. That means the effects would be noticeable 1.28 seconds after it was destroyed.\n", "Unless you mean the...
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[ [], [] ]
4z1j1f
what are the origins of male obsession/competition with/over penis size?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4z1j1f/eli5_what_are_the_origins_of_male/
{ "a_id": [ "d6s3ho2", "d6s4058" ], "score": [ 2, 10 ], "text": [ "I have a reason to believe that this originated in antiquity, far beyond the invention of written language so no records were kept.\n\nPenis cults have arisen independently several times in many cultures around the world. T...
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[ [], [] ]
24bw6z
is it feasible for homes to be fitted with bicycle powered generators to save on energy costs?
I've wondered this for a while. If each member of a family allotted an hour of time a day to produce energy, could that time spent pedaling equate to as much energy (in dollar value) as a person making a minimum hourly wage?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/24bw6z/eli5_is_it_feasible_for_homes_to_be_fitted_with/
{ "a_id": [ "ch5l0wx", "ch5lscd" ], "score": [ 2, 3 ], "text": [ "Pedalling continuously produces about 80 Watts of energy at any given time, you might be able to keep a lightbulb on.", "The problem may be that your nutritional costs would increase more than your power costs would decr...
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[ [], [] ]
1jpe20
fight club
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1jpe20/eli5_fight_club/
{ "a_id": [ "cbh0vcw", "cbh1b96", "cbh1mty", "cbh25di" ], "score": [ 13, 5, 103, 5 ], "text": [ "Poor guy will never get an answer from anyone who's seen it.", "If you really want to know, watch the DVD commentary. It's a satire that is critical of modern society, with...
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[ [], [], [], [] ]
3dvcn6
What are the vertical streaks next to the mushroom cloud?
_URL_0_
askscience
http://www.reddit.com/r/askscience/comments/3dvcn6/what_are_the_vertical_streaks_next_to_the/
{ "a_id": [ "ct8zwxy" ], "score": [ 12 ], "text": [ "They are [smoke rockets](_URL_0_), which are launched to give a reference point for photographic analysis of the bomb's shock wave. Basically they make it easier to see exactly where the shock wave front is, since the shock wave is invisible but...
[]
[ "http://youtu.be/ZWSMoE3A5DI" ]
[ [ "http://nuclearweaponarchive.org/Usa/Tests/SmokeTrails.html", "http://nuclearweaponarchive.org/Usa/Tests/Trinity90MS640c10.jpg" ] ]
6wtf7c
how to 'happy tears' come about, and do they differ from 'sad tears'?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6wtf7c/eli5_how_to_happy_tears_come_about_and_do_they/
{ "a_id": [ "dmaw7vp" ], "score": [ 2 ], "text": [ "I was hoping there would be an answer on here, but there wasn't so I became curious and looked it up. Supposedly it has to do with different molecules that are in the tears. Happy and sad tears also look different under a microscope which I foun...
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[]
[ [ "https://www.google.com/amp/sploid.gizmodo.com/tears-of-joy-and-tears-of-sadness-look-different-under-1468602557/amp" ] ]
1xupv9
why do we allow north korea to have internment camps similar to nazi germany?
I've seen a post with a man that escaped a North Korean prisoner camp and it was horrendous, he said things that made me honestly question whether or not these camps are WORSE than the Nazi camps- and we liberated them as fast as we could. Everyone on the planet knows the USA along with the EU could liberate the people...
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/1xupv9/eli5_why_do_we_allow_north_korea_to_have/
{ "a_id": [ "cfesc6f", "cfesflc", "cfesh0n", "cfesh88", "cfesnkt" ], "score": [ 12, 3, 2, 2, 6 ], "text": [ "Nazi Germany invaded other countries\n\nChina does not want the US invading North Korea, because the refugee crisis will hit them directly and the US would g...
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[]
[ [], [ "http://en.wikipedia.org/wiki/Gulag" ], [], [], [] ]
3x50vy
how are borders that overlap with rivers determined?
How do you know which side of the border are you on if you, say, are on a boat?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/3x50vy/eli5_how_are_borders_that_overlap_with_rivers/
{ "a_id": [ "cy1km78", "cy1knsx" ], "score": [ 2, 2 ], "text": [ "I have seen three definitions in place.\n\n(1): the mean high tide line on one side or the other. (that is, the average location of the daily high tide on one side).\n\n(2): halfway between the two mean high tide lines.\n\n(...
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[ [], [] ]
2bqzx1
why is there an assumption that if two nuclear powers go to war with each other they would necessarily use nuclear weapons?
Given the concept of mutually assured destruction, it doesn't make any rational sense to me for either side to conduct a nuclear first strike.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2bqzx1/eli5_why_is_there_an_assumption_that_if_two/
{ "a_id": [ "cj81m6h", "cj81mcy", "cj81oft" ], "score": [ 2, 2, 2 ], "text": [ "The very act of war, I believe, belies the rationality of the actors. There is nothing that could not otherwise be accomplished without war, yet we have typically raced into it with abandon. And we've u...
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[ [], [], [] ]
1sy84g
Why did people write sagas in 13th century Iceland?
It always felt a bit weird to me considering Iceland is on the very outskirts of Europe and would therefore not be as exposed to european literature. Also, where did they get the money to make books? Wasn't Iceland quite poor back then?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1sy84g/why_did_people_write_sagas_in_13th_century_iceland/
{ "a_id": [ "ce2j4qf", "ce2jcsz" ], "score": [ 3, 6 ], "text": [ "hi! not discouraging anyone from contributing more detail, but FYI there was a good thread on sagas here, which touches on your questions\n\n[Questions about the Icelandic Saga](_URL_0_)\n\nI recall that there was another th...
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[]
[ [ "http://www.reddit.com/r/AskHistorians/comments/1l1698/questions_about_the_icelandic_saga/" ], [] ]
1bdyry
Wikipedia suggests that the Xiongnu of Chinese records may in fact be the fabled Huns that swept into Europe - how credible is this theory?
Is it a controversial but plausible statement? Or crackpot conspiracy like rumours of Chinese contact with the Americas?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1bdyry/wikipedia_suggests_that_the_xiongnu_of_chinese/
{ "a_id": [ "c963bly", "c963t7z", "c963ujl", "c965rgb" ], "score": [ 29, 8, 14, 3 ], "text": [ "It isn't crackpot on the order of Ancient Aliens or Gavin Menzies, it just doesn't have much to support it. Pretty much the entire argument rests on a phonetic link of their name...
[]
[]
[ [], [], [ "http://en.wikipedia.org/wiki/Huns#Traditional_Xiongnu_theory", "http://en.wikipedia.org/wiki/Sima_Qian", "http://www.etymonline.com/index.php?term=Hun" ], [] ]
2ldzct
If I remember a song in my head, lyrics and all, does the brain use the equivalent amount of memory to store this as it would need in a device?
Say I remember a 50 mb song completely. Every sound and every word said. Does this mean my brain used the same amount of memory the song would take up on say a phone? Or would it use less?
askscience
http://www.reddit.com/r/askscience/comments/2ldzct/if_i_remember_a_song_in_my_head_lyrics_and_all/
{ "a_id": [ "cluspow" ], "score": [ 10 ], "text": [ "This is a difficult question to answer. And it's even quite difficult to explain why it is difficult.\n\nLet me put this question to you. Pick up whatever is to closest to your right hand, say, it's a pen. How many megabytes is that pen? Is that...
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[ [] ]
lrza2
Why can't we make large LED bulbs?
Why do all LEDs have to be small? Can't we make a big one that would go in cars or lighthouses? What would be the biggest we could make one?
askscience
http://www.reddit.com/r/askscience/comments/lrza2/why_cant_we_make_large_led_bulbs/
{ "a_id": [ "c2v4y23", "c2v4y23" ], "score": [ 35, 35 ], "text": [ "LED are grown on top from semiconductor wafers approx. 1mm thick, mostly [GaAs](_URL_1_). On top of the wafer a different semiconductors are grown in very thin layers (less than a 1 micron thick); it is these layers that e...
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[]
[ [ "http://en.wikipedia.org/wiki/Metalorganic_vapour_phase_epitaxy", "http://en.wikipedia.org/wiki/Gallium_arsenide" ], [ "http://en.wikipedia.org/wiki/Metalorganic_vapour_phase_epitaxy", "http://en.wikipedia.org/wiki/Gallium_arsenide" ] ]
var8f
Was US involvement in Pinochet's overthrow of Allende decisive?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/var8f/was_us_involvement_in_pinochets_overthrow_of/
{ "a_id": [ "c52ta43" ], "score": [ 5 ], "text": [ "My feeling is that Somoza's overthrow in Nicaragua in 1979 suggests that American power over things in Chile in 1973 is oft overstated. \n\nCould Pinochet have overthrown Allende without US approval? \n\nAnd if he could have done, would he have...
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[ [] ]
2qzkaf
the usa has a huge spanish-speaking population and a tiny french-speaking population. why do so many products have labels in english and french, instead of english and spanish?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2qzkaf/eli5_the_usa_has_a_huge_spanishspeaking/
{ "a_id": [ "cnb097h", "cnb09u2", "cnb1uu5" ], "score": [ 11, 3, 2 ], "text": [ "Many products are sold in Canada where it's required by law in some provinces to have French on the label.", "Where are you from? Maybe the NE, near French-speaking Quebec, possibly? There, many pr...
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[]
[ [], [], [] ]
41bar7
why do tightrope walkers balance better carrying a long dowel or with arms outstretched to the sides?
I just finished watching Man on Wire, and the whole time it just seemed like carrying that thing should throw him off instead of helping him, which was obviously not the case. How does this work?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/41bar7/eli5_why_do_tightrope_walkers_balance_better/
{ "a_id": [ "cz101mr", "cz13nph" ], "score": [ 6, 3 ], "text": [ "TLDR; It allows them to fine tune their balancing needs. Longer pole allows more subtle changes to their balance. ", "The wider an object is, the more energy it takes to change its equilibrium—assuming it starts off bala...
[]
[]
[ [], [] ]
1cn5n0
Evidence of some Bible stories
What are some examples of artifact or textual evidence to suggest stories or people from the Bible may have existed?
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/1cn5n0/evidence_of_some_bible_stories/
{ "a_id": [ "c9i7jft", "c9ibs5d" ], "score": [ 2, 3 ], "text": [ "The [historicity of the Bible is problematic](_URL_2_). Certainly, towns and places in the Bible existed, with [numerous artifacts](_URL_3_) found. On the other hand, major discrepancies are found between Biblical account...
[]
[]
[ [ "http://en.wikipedia.org/wiki/Hezekiah%27s_tunnel", "http://www.biblicalchronologist.org/answers/bryantwood.php", "http://en.wikipedia.org/wiki/The_Bible_and_history#Challenges_to_historicity", "http://en.wikipedia.org/wiki/List_of_artifacts_significant_to_the_Bible" ], [] ]
cdrkzd
Why did Vermont form the green mountain republic? What was stopping them from simply joining the us in 1777?
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/cdrkzd/why_did_vermont_form_the_green_mountain_republic/
{ "a_id": [ "etxxse3" ], "score": [ 7 ], "text": [ "It was in large part due to competing land claims. In the 1700s, both NH and NY thought that the land between the Connecticut river and the Hudson/Lake Champlain was theirs, at least as far as handing out land grants - a pretty lucrative trade - ...
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[]
[ [ "https://www.history.com/this-day-in-history/new-connecticut-vermont-declares-independence", "https://ancestralfindings.com/vermont/", "http://freedomandunity.org/new_frontier/frontier.html" ] ]
6vjjwq
why do chains like eddie bauer and jos a banks open stores in airports? how do they possibly make any money?
Many other chains too that I know don't move enough product to afford the high rent of an airports space - especially behind security.
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6vjjwq/eli5_why_do_chains_like_eddie_bauer_and_jos_a/
{ "a_id": [ "dm0o30j", "dm0oxgu", "dm0oxkk" ], "score": [ 3, 3, 2 ], "text": [ "The great thing about a retail store at an airport, for a retailer, is they have a pretty consistent number of people who will show up and need to be at the airport for a certain amount of time. For ma...
[]
[]
[ [ "http://www.franchisetimes.com/October-2011/How-to-land-in-an-airport/" ], [], [] ]
131o18
What factors led to and/or allowed some dinosaurs to be massive on a scale not seen by land animals in any other period in history?
I recently learnt about Square-cube law thanks to the dust mite thread and now thinking about the sizes of some dinosaur species hurts my head even more.
askscience
http://www.reddit.com/r/askscience/comments/131o18/what_factors_led_to_andor_allowed_some_dinosaurs/
{ "a_id": [ "c702u48" ], "score": [ 4 ], "text": [ "As far as I am aware the answer is unknown. The correlation between home range and maximal body mass can be extrapolated for terrestrial mammals all the way up to the largest extinct land mammal. \nThis is not particularly helpful in explaining t...
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[]
[ [ "http://www.ncbi.nlm.nih.gov/pmc/articles/PMC64714/figure/F1/", "http://www.ncbi.nlm.nih.gov/pmc/articles/PMC64714/", "http://jxb.oxfordjournals.org/content/52/357/801.full", "http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1489188/" ] ]
32og5x
why is it so common for europeans to speak english as a second language?
As opposed to french or spanish or mandarin?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/32og5x/eli5_why_is_it_so_common_for_europeans_to_speak/
{ "a_id": [ "cqd2cxg", "cqd2lpp", "cqd2rvp", "cqd5j8c", "cqdbgce", "cqdeu90", "cqdhbob", "cqdnlm4", "cqdnuxc", "cqdo4rh", "cqdofjf", "cqdofpz" ], "score": [ 40, 7, 128, 2, 2, 7, 2, 2, 2, 2, 2, 5 ], "text": [ "I...
[]
[]
[ [], [], [ "http://blog.esl-languages.com/blog/learn-languages/english/english-language-global-number-one/" ], [], [], [], [], [], [], [], [], [] ]
3hpqyw
why do satellites appear to be glowing like feint stars?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/3hpqyw/eli5why_do_satellites_appear_to_be_glowing_like/
{ "a_id": [ "cu9fcjw" ], "score": [ 3 ], "text": [ "The sun shines on them, and they reflect some of that light back at us. Equally important, though, is the fact that Earth also reflects a lot of light from the sun back into space." ] }
[]
[]
[ [] ]
3lggxk
Was there a failed D-Day before the successful one?
A friend recently told me a remarkable story about her grandfather, a WWII vet. It goes like this: Grandfather, a polish-American man living in Nebraska, never spoke about his service. At least not until very recently. According to her, he had been involved in a failed European invasion, a "practice dday," that had e...
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/3lggxk/was_there_a_failed_dday_before_the_successful_one/
{ "a_id": [ "cv63jfr", "cv63qs4", "cv64ey4" ], "score": [ 5, 8, 10 ], "text": [ "If he served in the US Army he is likely remembering \"Exercise Tiger\" it was a training operation in April 1944, designed to practice and figure out best practices for landing lots of crafts from dif...
[]
[]
[ [], [], [ "http://www.npr.org/2012/04/28/151590212/operation-tiger-d-days-disastrous-rehearsal" ] ]
2r7uao
what is with all the "am i being detained officer?" comments?
I've seen it in so many threads. What's up with this? Is this a bad thing to say to a cop? Is there some historical precedent to it?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2r7uao/eli5_what_is_with_all_the_am_i_being_detained/
{ "a_id": [ "cnd8ufz", "cnd8wxr", "cnd8zjf", "cnd90m7", "cndaa7e", "cndc9ap", "cndilsw", "cndjidy" ], "score": [ 55, 101, 10, 85, 6, 4, 2, 6 ], "text": [ "It's an important question to ask. If you aren't under arrest, and you aren't being det...
[]
[]
[ [], [], [], [ "http://www.browarddefender.org/page3.html" ], [ "http://lawcomic.net/guide/?p=1585", "http://lawcomic.net/guide/?p=1813", "http://lawcomic.net/guide/?p=864", "http://lawcomic.net/guide/?p=2256", "http://lawcomic.net/guide/?p=3044", "http://lawcomic.net/guide/?p=6...
5zgq8s
Do snow covered mountains still erode?
If the temperature on the mountain never reaches below zero, I figure the only source of erosion is the wind. But when the mountain is covered with snow, does it not act as a barrier between the wind and the mountain?
askscience
https://www.reddit.com/r/askscience/comments/5zgq8s/do_snow_covered_mountains_still_erode/
{ "a_id": [ "deyf8s0" ], "score": [ 13 ], "text": [ "Yes, snow covered mountains still erode, sometimes in a spectacular fashion. \n\nYou have to keep in mind that snow cover is not static, but represents a dynamic equilibrium between precipitation and slope stability. When that equilibrium is dis...
[]
[]
[ [ "http://wxyzwebcams.com/fr/webcam-1364.php", "https://www.youtube.com/watch?v=htgkyCyzUG0", "http://www.obs.ujf-grenoble.fr/paysagesglaciaires.net/site_source/Photos/AX1.jpg" ] ]
6s6f7s
how did pixar create such amazing cgi (i.e. toy story, a bug's life) with early 90's technology?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/6s6f7s/eli5_how_did_pixar_create_such_amazing_cgi_ie_toy/
{ "a_id": [ "dladsmv", "dlae29r", "dlaebms", "dlaiuf7", "dlao9zd" ], "score": [ 9, 15, 20, 4, 3 ], "text": [ "CGI movies are not bound by the need to be rendered in real time.\n\nVideo games need to be rendered at 30-60fps in real time in order to appear fluid and r...
[]
[]
[ [], [], [], [], [] ]
4evc14
what does post-modernism, and minamilism mean, in american literature?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/4evc14/eli5_what_does_postmodernism_and_minamilism_mean/
{ "a_id": [ "d249hma" ], "score": [ 2 ], "text": [ "Literary minimalism is a little difficult to explain, and I'd suggest googling if I make no sense. \n\nIt has a lot to do with simply not being overly wordy and descriptive. The writing relies on context and other clues to help give weight to a s...
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[ [] ]
pijkg
maps split down the atlantic not the pacific
Most maps (Of the flat variety) are split down the Pacific. Since coming to Reddit I've seen an unusual quantity of maps split down the Atlantic. Why is this? There's a much cleaner split down the Pacific. Do people just hate Greenland?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/pijkg/elif_maps_split_down_the_atlantic_not_the_pacific/
{ "a_id": [ "c3pnk2k" ], "score": [ 2 ], "text": [ "The reason maps have the edges cutting through the Pacific has nothing to do with the oceans. Maps (most of them, at least) are made with Europe at the center. The current setup of the world map was created during a period of European dominance...
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[ [] ]
45xzuv
Was the Civil War Conscription Act Necessary for the Union army if they already had such an advantage of man power and industrial resources?
[deleted]
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/45xzuv/was_the_civil_war_conscription_act_necessary_for/
{ "a_id": [ "d0157pl" ], "score": [ 5 ], "text": [ "McPherson, *Battle Cry of Freedom*, covers United States conscription from near the start of chapter 16.\n\nRecruiting of volunteers and calling up of militias had served their needs for 1861. But after US failure in the Seven Days', morale plun...
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[ [] ]
2nm9x1
what does cracking a videogame usually involve and why is denuvo so much harder for pirates to crack?
While I'm at it: why was this solution so difficult to come up with?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2nm9x1/eli5_what_does_cracking_a_videogame_usually/
{ "a_id": [ "cmewk8i", "cmf16xf" ], "score": [ 13, 3 ], "text": [ "In the old days when the DRM was merely the program (exe) checking to see if the CDrom was good, you would use an assembly debugger to track to the point where it reports a success. You change it so the fail outcome also ju...
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[]
[ [], [] ]
203qn8
why did the hobbit frame rate matter and what does it mean for future movies?
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/203qn8/eli5_why_did_the_hobbit_frame_rate_matter_and/
{ "a_id": [ "cfzjvu0", "cfzjwi1", "cfzm3h0", "cfzms8w", "cfzoefh", "cfzrsr5" ], "score": [ 125, 18, 85, 2, 4, 8 ], "text": [ "The frame rate used for the Hobbit is only realistically possible with digital projectors. Mechanical projectors are all built to r...
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[]
[ [], [], [], [], [], [ "http://en.m.wikipedia.org/wiki/Sallie_Gardner_at_a_Gallop" ] ]
ebn6sa
what do the numbers in the cpu stand for? like i7-9700 vs the i7-8700 vs the i5-8600/9600?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ebn6sa/eli5_what_do_the_numbers_in_the_cpu_stand_for/
{ "a_id": [ "fb62l6k", "fb62o87", "fb62sbo", "fb65o28" ], "score": [ 4, 6, 5, 2 ], "text": [ "Whatever the manufacturer wants, really.\n\nFor Intel, the general idea is i3 = budget, i5 = good, i7 = high end, i9 = top of the line. The bigger the number after that, the more p...
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[ [], [], [], [] ]
2x4bxm
why is the keystone xl pipeline more controversial than other pipelines? i know that the oil is dirtier than other types if oil, but is there another reason? don't we have lots of other pipelines all over the u.s. carrying oil and natural gas. noone seems to be against those.
explainlikeimfive
http://www.reddit.com/r/explainlikeimfive/comments/2x4bxm/eli5_why_is_the_keystone_xl_pipeline_more/
{ "a_id": [ "cowr65v", "cowrf5f", "cowrp9q" ], "score": [ 6, 2, 3 ], "text": [ "Mostly just politics. This particular one has come into the public eye so Politicians on both sides have taken very public vocal sides. I honestly don't know if it is a good idea or a bad idea, and I ...
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[ [], [], [] ]
7dxg5x
can you explain the genetic process behind height, and why a tall parent with a short partner is more likely to produce average or marginally shorter off spring?
I'm curious as my grand father on my dads side was 6'6 while his wife 5'2, and my grand father on my moms side was 6'4 while his wife 5'4. Resulting mostly in kids who were in the 5'10- 5'11 range, and my dad himself was 6'1 3/4 and my mom who is 5'8. So, if you could provide a simplified explanation of the gene and p...
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/7dxg5x/eli5_can_you_explain_the_genetic_process_behind/
{ "a_id": [ "dq16egv" ], "score": [ 2 ], "text": [ "I believe there are many genes that influence your height. You get a combination from both parents, and sometimes you’ll get complimentary genes that produce children taller than their parents, and sometimes you’ll get a combination that produce ...
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[ [ "https://www.scientificamerican.com/article/how-much-of-human-height/" ] ]
6bo58q
Did European royal houses and Asian royal houses intermarry? If not, have such marriages ever been proposed or seriously considered?
To clarify: "Asian royal houses" refer to royal houses that still exist in geographic Asia, including Japan, Thailand, Cambodia, Brunei, Bahrain, Jordan, Kuwait, Saudi Arabia, Oman, Malaysia, etc.
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/6bo58q/did_european_royal_houses_and_asian_royal_houses/
{ "a_id": [ "dhouipj" ], "score": [ 409 ], "text": [ "*I missed OP's clarification and this is about Mongols.*\n\nYou know how there are some stories that are just waiting for their soapy, bloody, sexy HBO miniseries?\n\nByzantine emperor Michael VIII (r. 1259-1282) was, among other little things ...
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[]
[ [] ]
bzu1io
How do rashes target specific parts of the body?
I came across [Hand Foot and Mouth disease](_URL_0_) which results in rashes on the palms of the hands and feet. > “It’s one of the few rashes where you’ll have bumps or blisters on the palms and soles of the feet,” Dr. Derickson says. "Usually rashes on the whole body spare those parts, so that's one of the give-aw...
askscience
https://www.reddit.com/r/askscience/comments/bzu1io/how_do_rashes_target_specific_parts_of_the_body/
{ "a_id": [ "er31inb" ], "score": [ 2 ], "text": [ "I believe the answer is \"we don't know\" (though I'd love to hear what the answer is if we do know. Any dermatology buffs around?)\n\nRashes from different disease processes can take stereotyped albeit different forms, I'm not sure why. H, F & ...
[]
[ "https://www.trihealth.com/dailyhealthwire/miscellaneous/whats-going-around-hand-foot-and-mouth-disease" ]
[ [ "https://en.wikipedia.org/wiki/Dermatome_(anatomy)" ] ]
pxdic
What's in old gold tooth fillings/crowns besides gold? Why aren't they pure?
A relative gave me some old gold tooth fillings they had lying around and asked if I would be willing to melt them down and purify them at the assay lab I work at. When I got them it turned out to be three gold fillings, two crowns and a gold bridge. I wrapped the whole mess in lead foil and cupelled in a 1700F furnace...
askscience
http://www.reddit.com/r/askscience/comments/pxdic/whats_in_old_gold_tooth_fillingscrowns_besides/
{ "a_id": [ "c3t3q2d" ], "score": [ 2 ], "text": [ "Gold by itself is pretty malleable. Alloying it with other metals can increase it's hardness, which would be valuable to keep the crown from deforming while chewing. Poking around, it actually looks like standard practice. Many metal fillings tod...
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[]
[ [ "http://www.identalloy.org/identalloy" ] ]
9wdvf3
what does it mean when the rule of thirds is intentionally being subverted?
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/9wdvf3/eli5_what_does_it_mean_when_the_rule_of_thirds_is/
{ "a_id": [ "e9ju90q" ], "score": [ 5 ], "text": [ "The \"rule\" is more of a convention but we are that used to it that it makes us feel uneasy when it's broken. So if it is being deliberately broken then the intention is to create feelings such as mystery, suspense, unease, tension etc." ] }
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[ [] ]
ll46e
Questions about extremophiles and xenobiology.
About extremeophiles, did they evolve after life evolved on this planet, or were they the progenitors? I thought the obvious answer to this would be they evolved after since they seem to be specialized in terms of proteins and enzymes able to handle extreme conditions but I wanted to ask this question (without doing th...
askscience
http://www.reddit.com/r/askscience/comments/ll46e/questions_about_extremophiles_and_xenobiology/
{ "a_id": [ "c2wcyi2", "c2wd0x3", "c2y1mwp", "c2y1pkc", "c2wcyi2", "c2wd0x3", "c2y1mwp", "c2y1pkc", "c2tk8hn", "c2tkeyv", "c2v2sbu", "c2v2ygy", "c2vd5yq", "c2vd7mz", "c2vscrp", "c2vsldn", "c2vwjwa", "c2tk8hn", "c2tkeyv", "c2v2sbu", "c...
[]
[]
[ [], [], [], [ "www.venusian.us.com" ], [], [], [], [ "www.venusian.us.com" ], [], [ "http://en.wikipedia.org/wiki/Geology_of_Venus#Global_resurfacing_event" ], [], [], [], [], [], [], [], [], [ "http://en.wikipedia.org/wiki/Geology_of_Venus#Global_resurfacin...
5n6e9o
If language is primarily localized to the left hemisphere, what does the right hemisphere of brain do when you are reading?
Is it different for people who have had their corpus callosum severed (i.e. split brain patients)?
askscience
https://www.reddit.com/r/askscience/comments/5n6e9o/if_language_is_primarily_localized_to_the_left/
{ "a_id": [ "dc9j9l3", "dca60rh", "dcafrsk" ], "score": [ 15, 3, 2 ], "text": [ "The cardinal rule of brain function is \"the whole thing is always functioning.\" A person who's speaking will have RELATIVELY higher activation of certain areas in the left hemisphere. It takes a lot ...
[]
[]
[ [ "http://www.mayfieldclinic.com/Images/PE-fMRI1.jpg" ], [ "http://brain.oxfordjournals.org/content/122/7/1317.long", "https://www.amazon.com/Top-Brain-Bottom-Surprising-Insights/dp/1451645104" ], [] ]
2ly363
Why did Japan attack America - Why not the Netherlands/Britain and other countries in the Pacific on their own - More detailed explanation of my question within
I understand Japan entered war with the Netherlands, Britain, and a number of other countries in the Pacific in a desperate bid to secure oil, which they had been deprived of due to the American-led embargo, but why exactly did they attack America? Couldn't they just have attacked the aforementioned countries and gotte...
AskHistorians
http://www.reddit.com/r/AskHistorians/comments/2ly363/why_did_japan_attack_america_why_not_the/
{ "a_id": [ "clz8vc8", "clzgbbc" ], "score": [ 7, 2 ], "text": [ " > Or were they expecting America to attack them in response should they do that, and would have preferred to start the war on their own terms, so to speak?\n\nThis is basically it.\n\nThe problem for the Japanese war plann...
[]
[]
[ [], [] ]
ernjry
Why does Ancient Greek art frequently depict soldiers wearing helmets halfway on? Is this authentic to how a soldier would wear it when he wasn't in immediate need, or is it a purely stylistic choice?
Examples: [This coin dated 340-330 BC](_URL_0_) [Bust of Pericles](_URL_1_)
AskHistorians
https://www.reddit.com/r/AskHistorians/comments/ernjry/why_does_ancient_greek_art_frequently_depict/
{ "a_id": [ "ff5mswo" ], "score": [ 7 ], "text": [ "There are obvious artistic reasons to disregard or alter the head protection of a warrior so you can show his face. This is also why Trajan's Column gave generations of historians and costume designers the notion that the Roman legionary helmet's...
[]
[ "https://upload.wikimedia.org/wikipedia/commons/e/e8/MetapontumDrachmRutter1576Obverse.jpg", "https://www.ancient.eu/uploads/images/1246.jpg?v=1485680433" ]
[ [ "https://www.reddit.com/r/AskHistorians/comments/4xyfrw/is_it_true_that_those_helmets_of_the_kind/d6jhfq5/" ] ]
ehbaj9
why are ‘highway kilometres’ better than ‘city kilometres’ for your car?
I’m buying my first car used and many people list that they have driven mostly on the highway etc... I’m so confused about how highway driving impacts a car differently in comparison to city driving! Thanks in advance!
explainlikeimfive
https://www.reddit.com/r/explainlikeimfive/comments/ehbaj9/eli5_why_are_highway_kilometres_better_than_city/
{ "a_id": [ "fchpr0t", "fci9x87" ], "score": [ 17, 2 ], "text": [ "City driving involves a lot of starting and stopping with short trips. Motors tend to suffer the most wear when they are cold, and wear more when revs are constantly changing than when they are steady. In the city you're al...
[]
[]
[ [], [] ]
321k0k
when the body is presented with an immune challenge that it has never experienced before, it seems to be able to produce a molecule to match. How does this happen?
askscience
http://www.reddit.com/r/askscience/comments/321k0k/when_the_body_is_presented_with_an_immune/
{ "a_id": [ "cq7gdbo", "cq7o70o" ], "score": [ 2, 8 ], "text": [ "the molecule challenging the immune system is a unknown \"keyhole\", how does the body has the right key?\n\nShort answer: cells in your tymus and bone marrow turned into all possible keys beforehand through V(D)J recombinat...
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[]
[ [], [ "http://www.pangloss.com/seidel/shake_rule.html" ] ]