q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
value | subreddit stringclasses 3
values | url stringlengths 4 132 | answers dict | title_urls list | selftext_urls list | answers_urls list |
|---|---|---|---|---|---|---|---|---|---|
630npe | Most smartphone chargers are rated at 5V, will it make a difference if I use a 10V charger with half the current, since the power output is the same? | askscience | https://www.reddit.com/r/askscience/comments/630npe/most_smartphone_chargers_are_rated_at_5v_will_it/ | {
"a_id": [
"dfqiaf8",
"dfqises"
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"score": [
16,
7
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"text": [
"When one device supplies power to another, then the maximum voltage that can be provided is determined by the device receiving power, and the maximum current that can be provided is determined by the device supplying power.... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Ohm%27s_law"
]
] | ||
5zo7t2 | how many sentences can we form in the english language? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5zo7t2/eli5_how_many_sentences_can_we_form_in_the/ | {
"a_id": [
"dezojog",
"dezrjj8"
],
"score": [
2,
8
],
"text": [
"No. There is no strict limit to how long a sentence can be. As such there are an infinite number of possible sentences, and we obviously can't use that many. Note that most of these are pointless sentences and won't be used.... | [] | [] | [
[],
[]
] | ||
3occu4 | Are galaxies that are moving faster than light due to cosmic expansion going backwards in time? | askscience | https://www.reddit.com/r/askscience/comments/3occu4/are_galaxies_that_are_moving_faster_than_light/ | {
"a_id": [
"cvw47d7",
"cvw8jra"
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"score": [
10,
5
],
"text": [
"I'm going to deduce that the spirit of the question is something like \"does this qualify as FTL travel, and if so, doesn't that mean these galaxies can travel through time?\" This is a good question!\n\nThe restriction tha... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Principle_of_locality",
"https://en.wikipedia.org/wiki/Shape_of_the_universe",
"https://en.wikipedia.org/wiki/Friedmann%E2%80%93Lema%C3%AEtre%E2%80%93Robertson%E2%80%93Walker_metric",
"https://en.wikipedia.org/wiki/Minkowski_space"
],
[]
] | ||
aa06xa | how does water "climb up" certain materials, like paper? | We had a little water leak from the washer’s drain. Next to the washer is a stack of toilet paper. I noticed that not only the bottom of the pack got water in it, but also the second stack above it, like the water was somehow traveling up?
What’s the scientific explanation behind it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/aa06xa/eli5_how_does_water_climb_up_certain_materials/ | {
"a_id": [
"ecnx0sp",
"ecnzazb"
],
"score": [
11,
2
],
"text": [
"Capillary attraction. Have you ever looked at the edge of water in a half full glass? Where it meets the glass the surface goes upwards a little. That's because the water \"wets\" the glass surface, it tries to have a very ... | [] | [] | [
[],
[]
] | |
3450yf | why are super-rich, non european people world buying european football teams? | Many French football teams are owned by rich arabs. Chelsea is owned by a Russian. Rome and Bologna in Italy were recently bought by two americans. Inter is owned by a guy from Indonesia. Now the Chinese want to buy Milan.
How does that make sense? What's the logic in owning a football team of another country? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3450yf/eli5_why_are_superrich_non_european_people_world/ | {
"a_id": [
"cqrayrq",
"cqrbl5o",
"cqrdjr8"
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"score": [
2,
2,
2
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"text": [
"Usually ego and fame. There's only a limited number of clubs, which sets a pretty high barrier to entry. Sure it's costly, but it's a toy for them, and one that can bring them media coverage and fame... | [] | [] | [
[],
[],
[]
] | |
bbxtv7 | The void of Australian 20th century history? | I have been trying to find a book or similar devoted to Australian 20th century history. While there seem to be sources for specific events, I haven't been able to locate any broad overviews of the century.
While covering a recent century of a nation's history could be too large and undertaking and perhaps too recent... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/bbxtv7/the_void_of_australian_20th_century_history/ | {
"a_id": [
"ekmi3k5",
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"score": [
6,
4,
3,
2
],
"text": [
"This is a good question and one I am happy to make a recommendation for.\n\nStuart MacIntyre's *A Concise History of Australia* is the best starting point to be honest. It's not ju... | [] | [] | [
[],
[],
[],
[]
] | |
5sngta | how/why does an object's mass change due to velocity? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5sngta/eli5_howwhy_does_an_objects_mass_change_due_to/ | {
"a_id": [
"ddggkjq",
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],
"score": [
2,
4,
2
],
"text": [
"The observed mass of an object travelling close to the speed of light increases because it's momentum, and therefore it's energy increase, and relativity tells us that energy and mass are equivalent (E ... | [] | [] | [
[],
[],
[
"https://arxiv.org/pdf/hep-ph/0602037.pdf"
]
] | ||
21i3xx | why aren't mercenaries protected equally under the geneva convention? | According to the Protocol Additional to the G*eneva Conventions of 12 August 1949, and relating to the Protection of Victims of International Armed Conflicts (Protocol I), 8 June 1977,* it states that **a mercenary shall not have the right to be a combatant or a prisoner of war**. Why is that? Why aren't mercenaries tr... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/21i3xx/eli5_why_arent_mercenaries_protected_equally/ | {
"a_id": [
"cgd7xsd"
],
"score": [
3
],
"text": [
"Because they will fight for either side, whomever pays them the most."
]
} | [] | [] | [
[]
] | |
82lagl | Did England have an elective monarchy in the 18th century? | Did England have an elective monarchy in the 18th century? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/82lagl/did_england_have_an_elective_monarchy_in_the_18th/ | {
"a_id": [
"dvb3tnw"
],
"score": [
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],
"text": [
"Terminology note: England on its own didn't have a monarchy after the Treaty of Union with Scotland in 1707. It was the Kingdom of Great Britain.\n\nI believe the usual definition of \"elective monarchy\" is that, for each vacancy, some body vot... | [] | [] | [
[]
] | |
1noi8h | as for countries like n. korea who's citizens are dying from famine, why can't we just send them food? is it because it wouldn't ever actually get to the hungry civilians? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1noi8h/eli5_as_for_countries_like_n_korea_whos_citizens/ | {
"a_id": [
"cckh3wx",
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"score": [
7,
3
],
"text": [
"Plenty of NGOs and larger countries do send quite a bit of food, but you're right in that not much of it actually gets to the people that need it",
"I remember in the most recent famine (and I use famine like I would des... | [] | [] | [
[],
[]
] | ||
8l7dsd | in lawsuits and other court cases that involve money, why do courts bother ordering people to pay massive sums of money that the defendants obviously don’t have and that the plaintiff will most likely never see? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8l7dsd/eli5_in_lawsuits_and_other_court_cases_that/ | {
"a_id": [
"dzdesln"
],
"score": [
3
],
"text": [
"Yarr! Yer not alone in askin', and kind strangers have explained:\n\n1. [ELI5: When someone sues someone for a large sum of money (let's say 5 million dollars), and the person being sued doesn't have that money, who pays out the claim? ](_URL_1_)... | [] | [] | [
[
"https://www.reddit.com/r/explainlikeimfive/comments/2r1iqo/eli5_how_can_someone_be_awarded_millions_of/",
"https://www.reddit.com/r/explainlikeimfive/comments/2oeyig/eli5_when_someone_sues_someone_for_a_large_sum_of/",
"https://www.reddit.com/r/NoStupidQuestions/comments/4jramb/if_someone_sues_a_brok... | |
1fy2uq | the physical difference between cd, dvd and blueray. how can they look identical but their capacities vary vastly? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1fy2uq/eli5_the_physical_difference_between_cd_dvd_and/ | {
"a_id": [
"caex7eg"
],
"score": [
6
],
"text": [
"The markings that lasers read on CDs and DVDs are kind of like text printed on a page. Blu-ray discs just have smaller markings - just how you can fit more text on a page if you use a smaller font."
]
} | [] | [] | [
[]
] | ||
9zts4r | why does water make things slippery, but licking my finger helps me pull out a cigarette or turn a page? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9zts4r/eli5_why_does_water_make_things_slippery_but/ | {
"a_id": [
"eabyrp1",
"eabyt4c",
"eacioz5"
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"score": [
10,
9,
2
],
"text": [
"Water also has a trait called adhesion, which makes it clingy. This is why you can shake your hands really hard after washing them and they'll still be wet. Water sticks to paper and to your finger, *v... | [] | [] | [
[],
[],
[]
] | ||
12page | Are we actually living within 10 dimensions? | askscience | http://www.reddit.com/r/askscience/comments/12page/are_we_actually_living_within_10_dimensions/ | {
"a_id": [
"c6x0ks8"
],
"score": [
9
],
"text": [
"That video that you're referring to is utter hogwash, but there are some beyond-standard-physics theories that require ten spatial dimensions. A lot of research goes into reconciling that with the fact that only three are apparent. As for experim... | [] | [] | [
[]
] | ||
2au9ig | how are the location and depth of an earthquake's epicenter calculated? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2au9ig/eli5_how_are_the_location_and_depth_of_an/ | {
"a_id": [
"ciytssn",
"ciyu07v"
],
"score": [
3,
2
],
"text": [
"You can calculate the location by comparing what time seismographs in different places recorded the earthquake. Since the vibrations take time to travel through the ground, if you know when they reached various places you ca... | [] | [] | [
[],
[]
] | ||
1ry6ir | How did Latin mottos as a feature on coats of arms get started? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1ry6ir/how_did_latin_mottos_as_a_feature_on_coats_of/ | {
"a_id": [
"cds52z4",
"cdsalgd"
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"score": [
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6
],
"text": [
"I'll not speculate as to the beginnings of latin mottos, but you might find one of the reasons for their continued use interesting. Canada uses many latin mottos for government organizations as a way of avoiding perceived fa... | [] | [] | [
[],
[
"http://www.modaruniversity.org/motto.htm"
]
] | ||
1xiwd5 | Historians, what is the best way for a non-professional with limited resources to conserve/handle old pictures and documents? | Talking mainly about old black-and white pictures that I do not own the negatives for, or old letters that already have fragile and yellowing paper. Nor sure this is the right subreddit, but I'm sure some of you must deal with old documents?
| AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1xiwd5/historians_what_is_the_best_way_for_a/ | {
"a_id": [
"cfbqd73"
],
"score": [
9
],
"text": [
"You can try /r/Archivists, or me, for I am here as well. \n\n1. How old are the documents? \n\n2. How many are there? (Roughly) \n\n3. How much money are you willing to spend? "
]
} | [] | [] | [
[]
] | |
6yo428 | Apparently chess was popular in the soviet union. was it ever "altered" to be less of a symbol of feudalism and hierarchy? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6yo428/apparently_chess_was_popular_in_the_soviet_union/ | {
"a_id": [
"dmp63qe"
],
"score": [
244
],
"text": [
"The short answer is the game was not changed, but the players were.\n\nThe popularity of chess in the Russian Empire surged with Mikhail Chigorin (1850-1908), who challenged ~~Emanuel Lasker~~ William Steinitz for the World Championship in 1889... | [] | [] | [
[]
] | ||
brjix3 | is it really only calories in, calories out (caloric deficit/surplus) that determines weight gain/loss? or hormones can overpower this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/brjix3/eli5_is_it_really_only_calories_in_calories_out/ | {
"a_id": [
"eoefvww",
"eoeg7jj",
"eoehaao"
],
"score": [
2,
3,
2
],
"text": [
"Calories in- Calories out is a simple answer to a complicated issue. Yes it is true, but there are so many variables that affect how you store and burn energy that muddy the water. I may need to eat 150... | [] | [] | [
[],
[],
[]
] | ||
26ewn1 | if bottled water is really just tap water, how can companies get away with marketing it as coming from mountain springs or glaciers or whatever? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/26ewn1/eli5_if_bottled_water_is_really_just_tap_water/ | {
"a_id": [
"chqdi4z",
"chqdj2g",
"chqe7bo"
],
"score": [
6,
3,
2
],
"text": [
"They can't, that's false advertising. If it's filtered tap water it usually says so on the bottle. If it is spring water, it will say it is spring water. Not to say exceptions don't exist.",
"Well, ... | [] | [] | [
[],
[],
[]
] | ||
b7895w | why can’t you bring meat across international borders? | Ok background I’ve been watching the show border wars and I can’t understand why you can’t bring meat into the U.S and I’m sure other counties as well might have similar policies but they say it’s to protect agricultural and livestock but how would it affect livestock or agricultural? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b7895w/eli5_why_cant_you_bring_meat_across_international/ | {
"a_id": [
"ejpx28u"
],
"score": [
6
],
"text": [
"It's to stop certain diseases/parasites/insects/etc from being carried into regions where they typically aren't found.\n\nDifferent countries have different requirements for proving the food is safe, and it's simplest for them to just ban the tra... | [] | [] | [
[]
] | |
jg2ki | Does street light affect plant growth? | Does the light from a street lamp have any effect on the growth of a plant exposed to it?
Considering that street lights are turned on automatically after it gets dark it's understandable that a tree directly under a street lamp is exposed to about twice as much light (almost 24h) compared to a tree that isn't exposed... | askscience | http://www.reddit.com/r/askscience/comments/jg2ki/does_street_light_affect_plant_growth/ | {
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"c2bt4q0",
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"score": [
14,
4,
5,
14,
4,
5
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"text": [
"I did a similar experiment in the 6th grade. We planted several plants in pots and left them in different locations. The four groups... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | |
1716js | Why did the Tokugawa persecute the Christian population in Japan? | My understanding was that they did not like the missionaries that arrived from Europe's method of converting citizens but this doesn't seem correct.
| AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1716js/why_did_the_tokugawa_persecute_the_christian/ | {
"a_id": [
"c81aob1",
"c81nime"
],
"score": [
4,
3
],
"text": [
"It had to do in part with the [Treaty of Tordesillas](_URL_0_) and the threat the foreign governments posed to the emerging stability of the Japanese state. I'm headed off or I would give you a more detailed answer, but we ... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Treaty_of_Tordesillas",
"http://www.reddit.com/r/AskHistorians/comments/14gotb/how_was_the_voc_able_to_get_a_trade_relationship/"
],
[
"http://en.wikipedia.org/wiki/Kirishitan",
"http://www.reddit.com/r/AskHistorians/comments/1716js/why_did_the_tokugawa_persecute_... | |
6hmt3d | how casinos can refuse to pay a jackpot, claiming the machine is broken, but not pay back everyone who played and lost? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6hmt3d/eli5_how_casinos_can_refuse_to_pay_a_jackpot/ | {
"a_id": [
"dizgx2r",
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"dizpk15",
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"dizq8if",
"dizqdnl",
"dizqxhd",
"d... | [] | [] | [
[],
[],
[],
[],
[
"http://www.rawstory.com/2016/10/this-woman-hit-a-42-9-million-jackpot-but-the-casino-refuses-to-pay/",
"http://www.theroot.com/ny-woman-thinks-she-won-42-900-000-at-slots-but-casin-1790857541",
"http://www.chicagotribune.com/news/local/breaking/chi-iowa-casino-error-20150424-s... | ||
rjxtc | Do we have any clue what body system came about first? | I don't think that in evolution would have created multiple systems (Digestive, Endocrine, Immune/Lymphatic, Integumentary, Muscular, Nervous, Reproductive, Respiratory, Skeletal and Urinary) at a time so do we know which one would have evolved first? | askscience | http://www.reddit.com/r/askscience/comments/rjxtc/do_we_have_any_clue_what_body_system_came_about/ | {
"a_id": [
"c46f5u3"
],
"score": [
2
],
"text": [
"That's sort of a complicated question, since many different types of tissues that fulfill these individual roles have evolved separately in the course of natural history. Like do you mean a muscular system *like our's* or just any system that ma... | [] | [] | [
[]
] | |
79gjxm | Put a phone in a cup; you get amplification, why? Isn't it just as likely that the redirected/reflected sound will be out of phase? | askscience | https://www.reddit.com/r/askscience/comments/79gjxm/put_a_phone_in_a_cup_you_get_amplification_why/ | {
"a_id": [
"dp26ya2",
"dp2ehrs"
],
"score": [
5,
2
],
"text": [
"It’s because you’re directing the sound better. Your phone kind of just throws waves out in all directions. By directing the sound waves you’re increasing the intensity of them. If you stand directly behind the cup instead i... | [] | [] | [
[],
[]
] | ||
1znaia | the 5th ammendment. as a non-american, i don't understand how pleading the 5th doesn't directly translate to "i'm guilty". | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1znaia/eli5_the_5th_ammendment_as_a_nonamerican_i_dont/ | {
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"c... | [] | [] | [
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"http://www.youtube.com/watch?v=08fZQWjDVKE",
"http://www.youtube.com/watch?v=i8z7NC5sgik"
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"https://www.youtube.com/watch?v=6wXkI4t7nuc"
],
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[
"http://www.youtube.com... | ||
3cjn7w | what does a camera do differently when taking a panoramic picture? | What is my camera doing differently when it takes a panoramic picture vs. a regular picture? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3cjn7w/eli5_what_does_a_camera_do_differently_when/ | {
"a_id": [
"csw4j85",
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"score": [
4,
2
],
"text": [
"Depends on the camera, but mostly nothing except stitch together the photos. Some cameras have ways to assist with making a better panorama",
"The camera uses software that takes multiple images and attempts to make them... | [] | [] | [
[],
[]
] | |
4b8efc | why is anarchy and communism treated both as extreme left ideas? | I am studying the Redscare / intolerance from US history
Simply, the extreme left has a greater involement of the government, in everyday life and distribution of wealth. And anarchy which Is the complete opposite of that; placed in the same extreme left band?
Example : _URL_0_
Why?
Edit: Thanks for the responses, I t... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4b8efc/eli5_why_is_anarchy_and_communism_treated_both_as/ | {
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11,
2,
2
],
"text": [
"The Left wants to create a \"Fairer and more equal\" world. Most people on the left want to use the government to do this while Anarchists believe that a go... | [] | [
"https://sepetjian.files.wordpress.com/2012/09/left_right_political_spectrum_011.jpg"
] | [
[],
[],
[
"www.politicalcompass.org"
],
[],
[]
] | |
a2y1l5 | the u.s. yield curve just inverted. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a2y1l5/eli5_the_us_yield_curve_just_inverted/ | {
"a_id": [
"eb28twd"
],
"score": [
2
],
"text": [
"There’s a link within an article to another one explaining what yield curves are and why the flattening is important: \n\nThe Yield Curve Is Flatter! Remind Me Why I Care _URL_0_"
]
} | [] | [] | [
[
"https://www.bloomberg.com/news/articles/2017-12-11/the-yield-curve-is-flatter-remind-me-why-i-care-quicktake-q-a"
]
] | ||
6f2rgd | how do railroads work? are they just like freeways for trains? could i buy a train and drive it anywhere i want? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6f2rgd/eli5_how_do_railroads_work_are_they_just_like/ | {
"a_id": [
"dieyh39",
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"score": [
5,
3,
20
],
"text": [
"Railroads in the united states are all privately owned. Engines and railcars are all owned by the railroad companies. You can rent whatever to use, but you still must follow the rules of the company wh... | [] | [] | [
[],
[],
[]
] | ||
6rnlu0 | How much did Egyptian scholars contribute to modern Egyptology | I'd like to repost this old question of mine that didn't get any answer, hoping someone knowledgeable would spot it :)
It seems to me that the field of Egyptology is dominated by North American and European scholars. Do Egyptians/Arab scholars contribute significantly to the field? Are the two communities segregated o... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6rnlu0/how_much_did_egyptian_scholars_contribute_to/ | {
"a_id": [
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3,
13
],
"text": [
"Hi!\n\nJust wanted to let you know that while we encourage people to get in touch with flairs who might answer their questions, and bring the relevant threads to their attention, we prefer that you do this by sending them a... | [] | [] | [
[],
[]
] | |
2hzdtm | What was the "Net Worth" of Roman Emperors? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2hzdtm/what_was_the_net_worth_of_roman_emperors/ | {
"a_id": [
"ckxrvjm",
"ckxwvu1"
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"score": [
7,
7
],
"text": [
"This is going to be a very broad generalization, sorry I can't give any more specific info at the moment. Also this is more on the early empire as i'm not really sure in regards to the later empire. Roman Emperors (or their ... | [] | [] | [
[],
[
"http://classics.mit.edu/Augustus/deeds.html"
]
] | ||
62qo29 | why do we have an almost irresistable urge to place our hands on our hips when we are extremely winded? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/62qo29/eli5_why_do_we_have_an_almost_irresistable_urge/ | {
"a_id": [
"dfokceu",
"dfolpth"
],
"score": [
5,
14
],
"text": [
"Rib cage expand. At least that's what I've always been told via sports. But it's April fools so nothing is real. ",
"The actual urge is to sit down, elbows on thighs and bent forward. It's called tripoding and assists w... | [] | [] | [
[],
[]
] | ||
7815d0 | Did Martin Luther only become rabidly antisemitic later in life? If so, what prompted it? | I've read that he was far friendlier to Jews earlier in his carreer. What happened to cause him to compose such charming tracts as "On the Jews and their Lies"? Did it coincide with his more radical departure from the Church in the early 1520s (I think?)? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7815d0/did_martin_luther_only_become_rabidly_antisemitic/ | {
"a_id": [
"doqtyj8"
],
"score": [
253
],
"text": [
"Martin Luther the writer was popular. *Super* popular. From 1520-26 alone, Hans-Joachim Köhler has estimated that \"*conservatively*\" there were **6.6 million** copies of pamphlets and longer texts by Luther avalanching off German printing pre... | [] | [] | [
[
"https://archive.org/stream/werkekritischege11luthuoft#page/314/mode/2up"
]
] | |
26d16c | moore's law suggests that technology will continue to improve itself exponentially, on and on into the singularity. peak oil theory suggests that we will run out of gas fairly shortly. the endpoints of both trajectories are slated to occur within our lifetimes. how is this going to play out? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/26d16c/eli5_moores_law_suggests_that_technology_will/ | {
"a_id": [
"chpvpkg",
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"chpvrsf",
"chpw9w6",
"chpwpxw"
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"score": [
5,
2,
7,
2,
2
],
"text": [
"It's the future, no one knows. And no one can try and answer without violating ELI5's rule against speculation.",
"Moore's law is set to die in the next 1... | [] | [] | [
[],
[],
[],
[],
[]
] | ||
ouzrz | What happens, psychologically, when we look at ourselves in the mirror? (x-post from askreddit, no answer there) | People look at themselves in the mirror (especially in the eyes) when getting psyched up for public speaking, or when we are sad and crying, etc.
I am just wondering if there is a connection we make with ourselves, almost like we are two people and one is encouraging, consoling the "looking glass" version of ourselve... | askscience | http://www.reddit.com/r/askscience/comments/ouzrz/what_happens_psychologically_when_we_look_at/ | {
"a_id": [
"c3kh67h"
],
"score": [
2
],
"text": [
"That's a good question and there are far too many variables to give a clear answer. Humans are programmed to recognise faces, with the eyes intrinsically being the centre of attention. Psychology has traditionally learnt the most about our brain ... | [] | [] | [
[]
] | |
2bvquh | which point would lightning most likely strike: the taller point or the more favorable material? | Let's say I'm standing by a tall tree or house, and holding a fishing rod or something of the sort (something metal). Which object would lightning strike? Can lightning make "calculations" and decide that there is metal further down than the closer point, which is made of something like wood or plastic? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2bvquh/eli5_which_point_would_lightning_most_likely/ | {
"a_id": [
"cj9damk",
"cj9fgwv"
],
"score": [
8,
2
],
"text": [
"It takes the path of least resistance, always.\n\nBeing closer reduces resistance. Being made out of a better material reduces resistance.\n\nIf you look at a [very slowed-down movie of a lightning strike](_URL_0_), you'll s... | [] | [] | [
[
"http://gfycat.com/CloudyConsciousBellfrog"
],
[]
] | |
3pahs3 | why is it so hard to capture rain on camera? | I remember watching a DVD extra on one of the Harry Potter movies and the director said that it was pouring the whole time they were shooting one of the scenes but you couldn't tell because it didn't show in the recording. Is this a universal thing? Why does it happen? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3pahs3/eli5_why_is_it_so_hard_to_capture_rain_on_camera/ | {
"a_id": [
"cw4lkq4"
],
"score": [
2
],
"text": [
"Because water is translucent, rain is small, and the camera is not focused on it so it is this diffuse, small, translucent stuff that the camera doesn't have the definition to pick up. FYI: Akira Kurosawa, who primarily shot in black and white, u... | [] | [] | [
[]
] | |
1gesnm | An thoughts on an article published in the J. Org. Sys. titled, "A long-term toxicology study on pigs fed a combined genetically modified (GM) soy and GM maize diet."? | [Here](_URL_0_) is the full article. | askscience | http://www.reddit.com/r/askscience/comments/1gesnm/an_thoughts_on_an_article_published_in_the_j_org/ | {
"a_id": [
"cajjizp",
"cajkclk",
"cajks4p"
],
"score": [
7,
12,
3
],
"text": [
"This [xkcd comic](_URL_0_) is the first thing that comes to mind. Compare enough parameters and you are bound to find statistically significant correlation by sheer coincidence.",
"Complete bollo... | [] | [
"http://www.organic-systems.org/journal/81/8106.pdf"
] | [
[
"http://xkcd.com/882/"
],
[
"http://scienceblogs.com/denialism/2013/06/12/pollan-and-bittman-the-morano-and-milloy-of-gmo-anti-science/",
"http://weedcontrolfreaks.com/2013/06/gmo-pig/",
"http://www.marklynas.org/2013/06/gmo-pigs-study-more-junk-science/"
],
[]
] | |
2hs76i | what's supercharge, turbo, cold air intake, ect. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2hs76i/eli5whats_supercharge_turbo_cold_air_intake_ect/ | {
"a_id": [
"ckvi3uo"
],
"score": [
2
],
"text": [
"All different\n\nSupercharger - A (normally belt powered) air compressor in the intake of an internal combustion engine. Allows for a richer air/fuel mix in the combustion chamber to produce more power\n\nTurbo - similar to a supercharger, but p... | [] | [] | [
[]
] | ||
37h1j3 | How did the French become such a rival to the point of a qasr-war with Americans when they where allies only a few years earlier during the revolution? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/37h1j3/how_did_the_french_become_such_a_rival_to_the/ | {
"a_id": [
"crms04v"
],
"score": [
3
],
"text": [
"The biggest change that occurred in this time was the French Revolution. France became the ally of the US in 1778 (shortly after the battle of Saratoga) and the quasi-war took place during the Adams administration (1797-1801) while the French Rev... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Jay_Treaty",
"http://en.wikipedia.org/wiki/Causes_of_the_French_Revolution#Economics_and_finances"
]
] | ||
3jfgxk | how is a "massless" particle possible? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3jfgxk/eli5_how_is_a_massless_particle_possible/ | {
"a_id": [
"cuosrt0"
],
"score": [
9
],
"text": [
"Mass is no different from any other fundamental property. Just like there are particles with zero charge such as neutrons or zero spin such as the Higgs boson (maybe), there can be particles with zero mass."
]
} | [] | [] | [
[]
] | ||
587a64 | How is a particle's spin measured? | I get how charged particles can be measured magnetically, but what about neutral ones? | askscience | https://www.reddit.com/r/askscience/comments/587a64/how_is_a_particles_spin_measured/ | {
"a_id": [
"d8y5rds",
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"score": [
7,
6
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"text": [
"One way is to pass them through a region with a non-uniform magnetic field. The magnetic dipole moment due to the spin will interact with this field and deflect the particle. \n\nThis is what Stern and Gerlach did originally... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Stern–Gerlach_experiment"
],
[
"http://journals.aps.org/pr/abstract/10.1103/PhysRev.96.1546",
"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2965466/"
]
] | |
76bxed | What was the strategic value of North Africa in WW2? Was it just about controlling access to Italy? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/76bxed/what_was_the_strategic_value_of_north_africa_in/ | {
"a_id": [
"dod0cuu",
"dod0tjc",
"dodyso6"
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"score": [
300,
32,
2
],
"text": [
"North Africa had a great amount of value in terms of naval strategy. Axis control of the North African coast, combined with Italy (and especially Sicily), denied the Allies the quickest path for ship... | [] | [] | [
[],
[],
[]
] | ||
wyq1r | how the laws of supply and demand work when the supply is effectively infinite (eg. digital content bought online)? | When supply is infinite (like on the iTunes store, for example), how do the laws of supply and demand apply? I would think that with an infinite supply, the price would always be zero, but this is obviously not the case. So how do the laws of economics work in this case? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/wyq1r/eli5_how_the_laws_of_supply_and_demand_work_when/ | {
"a_id": [
"c5hmzmg",
"c5hnb2w",
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"score": [
7,
9,
3
],
"text": [
"The price on music doesn't drop to zero because iTunes have to pay for having the music in their store. So at most iTunes would sell the music for this price.\n\nFor the price to drop to zero, you are a... | [] | [] | [
[],
[],
[]
] | |
3y5egn | how can the un work if countries like the us and russia can just veto any proposal that does not serve their own interests? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3y5egn/eli5_how_can_the_un_work_if_countries_like_the_us/ | {
"a_id": [
"cyaow4h"
],
"score": [
3
],
"text": [
"It depends on what you think the UN \"working\" is. It's *not* designed to be a single world government. The UN isn't in charge; in fact, General Assembly resolutions (which are the resolutions all UN members have a vote on, and which can't be ve... | [] | [] | [
[]
] | ||
esaqzr | If dark matter does not interact with normal matter at all, but does interact with gravity, does that mean there are "blobs" of dark matter at the center of stars and planets? | askscience | https://www.reddit.com/r/askscience/comments/esaqzr/if_dark_matter_does_not_interact_with_normal/ | {
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"score": [
76,
2512,
207,
36,
14
],
"text": [
" We tend to think it's more like galaxies and galactic clusters form along dark matter lines. And dark matter does interact with normal matter. It int... | [] | [] | [
[],
[],
[],
[
"https://arxiv.org/abs/1906.11674"
],
[]
] | ||
40jtk2 | why does the game show jeopardy require the answer in the form of a question when the game show is clearly concerned about the factual knowledge? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/40jtk2/eli5_why_does_the_game_show_jeopardy_require_the/ | {
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"cyup6d1",
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"cyup9ng",
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"score": [
2,
2,
2,
2
],
"text": [
"It's just a gimmick. When Jeopardy first started, trivia/quiz game shows were extremely popular, and you needed a cool gimmick to set your show apart from the rest of the pack. Rem... | [] | [] | [
[],
[],
[],
[]
] | ||
80ecb6 | How likely is the story of the 'Lost Cosmonauts'? | I've seen many people debunk the Italian radio transmissions from the 50's but exactly how plausible is the idea that cosmonauts before Gagarin died in orbit and that the USSR covered it up? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/80ecb6/how_likely_is_the_story_of_the_lost_cosmonauts/ | {
"a_id": [
"duv9en3"
],
"score": [
44
],
"text": [
" The Smithsonian Air and Space Museum has an interesting [article](_URL_0_) on the subject.\n\nThe long and short of it is: it's not that likely. The Soviet Space program used \"Ivan Ivanovich\" dummies before sending live cosmonauts into space,... | [] | [] | [
[
"https://airandspace.si.edu/stories/editorial/lost-cosmonaut-conspiracy"
]
] | |
1efzzg | If the sun shines where I am for 14 hours, does that mean it will only shine for 10 hours on the other side of the planet? | askscience | http://www.reddit.com/r/askscience/comments/1efzzg/if_the_sun_shines_where_i_am_for_14_hours_does/ | {
"a_id": [
"c9zuyv8",
"ca005ax"
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"score": [
5,
22
],
"text": [
"Yes, that's correct.\n\nI even checked with real locations that are on the opposite sides of the planet, New Zealand and Spain.\n\n_URL_1_\n\n_URL_0_\n\nIt's because the sun always covers 50% of earth's surface so opposite ... | [] | [] | [
[
"http://www.timeanddate.com/worldclock/astronomy.html?n=31",
"http://www.timeanddate.com/worldclock/astronomy.html?n=22"
],
[]
] | ||
a306mc | when having trouble sleeping, is there any benefit to laying in bed with your eyes closed or you might as well get up? | It seems like your body is still resting without being actually asleep, so does that count for anything? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a306mc/eli5_when_having_trouble_sleeping_is_there_any/ | {
"a_id": [
"eb2bvyi",
"eb2bwmv",
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"score": [
34,
7,
2
],
"text": [
"If your mind is fighting you: get up and do something relaxing. Have some tea, read something, or listen to relaxing music.\n\nWhat you should NOT do is watch TV, play with your phone, or get on your c... | [] | [] | [
[],
[],
[]
] | |
2g3c1u | At what point in history did battlefield tactics transition from those during Napoleon's time to those of WWI? | Someone in /r/totalwar had the idea of a TW game going up until 1900, and while I was pretty sure warfare in the late 19th century wouldn't support a TW game, I couldn't put the reasoning into words because I honestly didn't know. During WWI, battles were mainly fights between large numbers of infantry attempting to ou... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2g3c1u/at_what_point_in_history_did_battlefield_tactics/ | {
"a_id": [
"ckf9tm1"
],
"score": [
2
],
"text": [
"_URL_0_\n\nTons of info here."
]
} | [] | [] | [
[
"http://www.reddit.com/r/AskHistorians/comments/2furc1/how_was_warfare_conducted_between_18361914/"
]
] | |
3pdesp | How many black people have been hung/lynched in the United States? | I am trying to determine how many black people in total have been hung until death throughout the entirety of US history.
Please feel free to contribute if you only know the total for a specific and location, but in that case please do specify which place and time to which you are referring.
I have already tried sear... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3pdesp/how_many_black_people_have_been_hunglynched_in/ | {
"a_id": [
"cw5ezw1",
"cw5og5h"
],
"score": [
5,
3
],
"text": [
"Whilst this doesn't account for all of US history, a [study](_URL_0_) by the Tuskegee Institute asserted that 3446 black people were lynched from 1882 to 1968. It's important to note that not all lynchings were recorded, and... | [] | [] | [
[
"http://law2.umkc.edu/faculty/projects/ftrials/shipp/lynchingsstate.html"
],
[
"http://www.eji.org/lynchinginamerica",
"http://www.eji.org/files/EJI%20Lynching%20in%20America%20SUMMARY.pdf"
]
] | |
1y9i71 | I am living in the 10th century. I have been injured in battle in Ireland,Scandinavia and England, what treatment will I receive in each of these countries? | Would the treatment change from country to country? Which country am I most likely to survive injury in? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1y9i71/i_am_living_in_the_10th_century_i_have_been/ | {
"a_id": [
"cfijcq4"
],
"score": [
2
],
"text": [
"Scandinavia is out of my scope, but I can comment on Ireland and England.\n\nThere are very few medical sources for 10th century England and Ireland. This is partially because medical schools are not around quite yet. In both places, though, yo... | [] | [] | [
[]
] | |
1tlzxd | England, Great Britain, the UK....which one can I use? | I am a soon to be student teacher of History. I am in the beginning stages of creating some lesson plans for my online portfolio (so I can hopefully get hired right out of school). I have chosen to create lesson plans about the American Revolutionary Era. My question is this: When speaking about the aforementioned e... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1tlzxd/england_great_britain_the_ukwhich_one_can_i_use/ | {
"a_id": [
"ce99nxu",
"ce9aoma"
],
"score": [
8,
4
],
"text": [
"If you're focusing on the American Revolutionary period, the proper name is the \"[Kingdom of Great Britain](_URL_0_)\". This was its name between the Acts of Union 1707 (when the Kingdom of England merged with the Kingdom o... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Kingdom_of_Great_Britain"
],
[]
] | |
34ug2j | In a theorized multiverse, how are "universes" separated from one other and can they influence each other? | askscience | http://www.reddit.com/r/askscience/comments/34ug2j/in_a_theorized_multiverse_how_are_universes/ | {
"a_id": [
"cqy8ri6",
"cqyab8y",
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"cqyc0nj",
"cqycbhb",
"cqyfqwk"
],
"score": [
111,
44,
8,
2,
6,
3
],
"text": [
"Which 'multiverse' are you talking about?\n\nOne view of the multiverse is that the big bang was a point origin of our universe, but ... | [] | [] | [
[],
[],
[],
[
"http://en.wikipedia.org/wiki/Multiverse#Max_Tegmark.27s_four_levels",
"http://en.wikipedia.org/wiki/Ekpyrotic_universe"
],
[
"http://en.wikipedia.org/wiki/The_Hidden_Reality"
],
[]
] | ||
25lns0 | why can our pupils dilate or shrink within less than a second, but we have to squint to get used to the light after a long period of darkness? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/25lns0/eli5_why_can_our_pupils_dilate_or_shrink_within/ | {
"a_id": [
"chiejke",
"chien3a",
"chienol"
],
"score": [
6,
5,
2
],
"text": [
"There are two types of receptors within your pupil that process light- rods and cones. Rods process low level light as black and white. Cones process bright light or color. \n\nWhen there is a lot of... | [] | [] | [
[],
[
"http://youtu.be/QAhUkluZiCc?t=8m52s"
],
[]
] | ||
6jvxhi | how can we not yet replicate the composition of expensive aged drinks like old whiskey and cognac | If it all comes down to chemistry, and there are some burnt oak traces and such... Shouldnt it all be reverse engineerable at this point in time? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6jvxhi/eli5how_can_we_not_yet_replicate_the_composition/ | {
"a_id": [
"djhi1x8",
"djhj2sg",
"djhjzi3",
"djht7pp",
"djhwkep"
],
"score": [
15,
8,
2,
3,
3
],
"text": [
"Which would you rather have? An autographed original rookie babe Ruth baseball card? Or a replica? Which would you rather pay more for?\n\nCould some whiskey... | [] | [] | [
[],
[],
[],
[],
[]
] | |
7eevfa | I just saw the BBC documentary, "1945: The Savage Peace". Historiographically, why was the post-war deaths of 12 million ethnic Germans largely ignored in school history texts? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7eevfa/i_just_saw_the_bbc_documentary_1945_the_savage/ | {
"a_id": [
"dq4z3df"
],
"score": [
15
],
"text": [
"Are you sure 12 million were killed? Do you have any other sources or a link to the documentary? I think you might be confusing the number of German speakers expelled from the east with the number who died."
]
} | [] | [] | [
[]
] | ||
b2l2om | why are the lanthanides and actinides so weird? | It's been a while since high school chemistry, but it's my recollection that the Period Table is organized like it is because elements in the same column have similar properties to each other, largely due to having the same number of valence electrons, which cycles as the atomic number increases.
I also understand tha... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b2l2om/eli5_why_are_the_lanthanides_and_actinides_so/ | {
"a_id": [
"eitaxsk",
"eitazky"
],
"score": [
10,
3
],
"text": [
"The Lanthanides and Actinides are not located outside the table because they're weird; they're put there to make the table easier to read. They properly belong between groups 3 and 4, but that makes the table really wide an... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Template:Periodic_table_\\(32_columns,_compact\\)"
],
[]
] | |
eqi89y | How was ancient Grecian pottery made? Can it be made today? | I've always wanted to make an art piece that resembles ancient Greek pottery and stays true to form. See here: _URL_0_
How was this made? Do we have the means to make this type of art with today's knowledge and materials? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/eqi89y/how_was_ancient_grecian_pottery_made_can_it_be/ | {
"a_id": [
"feyqtyb"
],
"score": [
2
],
"text": [
"With access to a pottery studio, it would be fairly easy to make something that *looks* like that; however, it might take some effort to find the exact pigments the Greeks used, and it would probably be a hassle to build a pottery wheel like the ... | [] | [
"https://d3vjn2zm46gms2.cloudfront.net/blogs/2010/11/27002720/black_figure_amphora_1300.jpg"
] | [
[
"https://www.metmuseum.org/toah/hd/vase/hd_vase.htm"
]
] | |
1iy8tn | what had caused the interest rates to go up and the housing prices to go down at the burst of the housing bubble? what was the trigger? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1iy8tn/what_had_caused_the_interest_rates_to_go_up_and/ | {
"a_id": [
"cb99r3y"
],
"score": [
13
],
"text": [
"Banks were giving out lots of lots of subprime mortgages to people who couldn't realistically pay for them. Then, the banks just packaged those mortgages into securities which were sold to investors, so the banks didn't even have to deal with an... | [] | [] | [
[]
] | ||
1du9pi | What do the visual stages of a bruise represent internally and biochemically? | From the first trauma to deep purple to yellow and then healed, what are the processes happening in the body? | askscience | http://www.reddit.com/r/askscience/comments/1du9pi/what_do_the_visual_stages_of_a_bruise_represent/ | {
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"\"...The striking colors of a bruise are caused by the phagocytosis and sequential degradation of hemoglobin to biliverdin to bilirubin to hemosiderin, with hemoglobin itself producing a red-blue color, biliverdin producing ... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Bruise#Mechanism_of_bruise"
],
[]
] | |
2jjy0w | why does a home loan at 4% end up taking 70% of my monthly mortgage payment? | Let's say you take out a $200,000 home mortgage advertised at 4%. You pay a $40,000 (20%) down payment and you are required to carry home owners insurance. Even if you never make a single payment after your down payment and the bank repossesses your home, they still have your $40,000 and a home they can now resell.
4%... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2jjy0w/eli5_why_does_a_home_loan_at_4_end_up_taking_70/ | {
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"That's 4% *per year*. So over a 30-year span, it adds up. The interest paid goes down as your principle goes down,... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | |
3f4gfl | What information can be gathered from a properly constructed phylogeny (and what can't easily)? | askscience | http://www.reddit.com/r/askscience/comments/3f4gfl/what_information_can_be_gathered_from_a_properly/ | {
"a_id": [
"ctlah1f",
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"text": [
"There are actually a lot of ways to construct a phylogeny and some give more or less information. \n \nThe most basic tree will give you information about divergence in lineages. \n[Here's an example.](_URL_0_) \nI... | [] | [] | [
[
"http://tolweb.org/Public/treeImages/Hominidae.png?x=196116141",
"http://www.nature.com/ncomms/2015/150714/ncomms8717/images_article/ncomms8717-f3.jpg"
],
[
"http://www.sciencedirect.com/science/article/pii/S1055790313003035",
"http://www.cell.com/trends/genetics/abstract/S0168-9525\\(03\\)003... | ||
2pzptr | Why did the Islamic world persecute Zoroastrians so much, yet were influenced so much by Persian culture? | I'm talking really only about pre-Partition, and primarily pre-Mongol Invasion.
Islam has always had negative views towards Zoroastrianism. It's strange, because it's a monotheistic religion that influenced Judaism, but Muslims seemed to like Romans much more than Persians. I thought that views towards it would get ... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2pzptr/why_did_the_islamic_world_persecute_zoroastrians/ | {
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"text": [
" > Islam has always had negative views towards Zoroastrianism\n\nThis is perhaps too general a statement that leaves no room for understanding the early Islamic period. I just completed the first quarter of an Islamic civ ... | [] | [] | [
[
"http://www.jstor.org/stable/1399963"
],
[]
] | |
1amqkq | What caused the Great Vowel Shift? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1amqkq/what_caused_the_great_vowel_shift/ | {
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"text": [
"/r/linguistics might help too if no one can answer here. ",
"I think it's hypothesized that it was the influence of the Norman upper-class dropping French in favor of Englis... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/Northern_cities_vowel_shift"
],
[]
] | ||
9zg030 | how do humans know that we've only discovered a fraction of the species on earth? and how is that possible given we're 8 billion strong? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9zg030/eli5_how_do_humans_know_that_weve_only_discovered/ | {
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"There's an awful lot of species that are too small to really see, or live at the bottom of the ocean (which is a huge percentage of the surface of the Earth). We've documented the surface pretty well... | [] | [] | [
[],
[
"https://www.currentresults.com/Environment-Facts/Plants-Animals/number-of-undiscovered-species-living-on-earth.php"
],
[]
] | ||
2ocncr | What profanities and euphanisms from modern times existed back in the early 1900s and even earlier? | I happened upon a song called ['Shave 'Em Dry' by Lucille Bogan](_URL_0_
gkPCmIxv-3k) from 1935. It is an extremely sexually provocative song containing frequent usage the words 'fuck', 'titties', 'grind', 'dick', 'nuts', 'cock', and other common profanities. Here are some examples of the lyrics:
> I got nipples **o... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2ocncr/what_profanities_and_euphanisms_from_modern_times/ | {
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"text": [
"I can't answer 2., but for 1.\n\n* \"Dick\" was, and is, a nickname for \"Richard\", and as Richard is a common name it was used to mean \"fellow, lad, man\" in the 16th century.... | [] | [
"https://www.youtube.com/watch?v=gkPCmIxv-3k"
] | [
[],
[],
[
"http://etymonline.com/index.php?term=fuck&allowed_in_frame=0",
"http://etymonline.com/index.php?term=cunt&allowed_in_frame=0",
"http://etymonline.com/index.php?term=poppycock&allowed_in_frame=0",
"http://etymonline.com/index.php?term=damn&allowed_in_frame=0",
"http... | |
fp77ct | Can lack of one sense heighten another? | I have never been able to smell well but I notice sound very well to the point a lot of things irritate me like the sound of people walking, talking loud and just small noise that makes it hard for me to focus, fall asleep etc. Sometimes it gets to the point where I can get bad anxiety from noises. Can this correlate w... | askscience | https://www.reddit.com/r/askscience/comments/fp77ct/can_lack_of_one_sense_heighten_another/ | {
"a_id": [
"flk7f4r"
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"score": [
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"text": [
"Yes, because the body needs to make up for the loss using the others, up to a certain limit, of course; it's like an increase in efficiency, and can occur in different sectors, if you stop using the hands, you could learn to write and manipulate ... | [] | [] | [
[]
] | |
xxxph | Why isn't there much interest about the "sound" of Mars? | askscience | http://www.reddit.com/r/askscience/comments/xxxph/why_isnt_there_much_interest_about_the_sound_of/ | {
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"c5qjtkj",
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"text": [
"There was a microphone on one of the rovers but it never switched on will find out more and post later on phone at moment",
"I know that Curiosity was literally a ton of stuff, but remember that e... | [] | [] | [
[],
[],
[]
] | ||
2g1u0f | how did japan overcome the radioactive fall out of two major nuclear bombs? | I've always heard terrible things about Nuclear radiation caused by Atom Bombs, but Japan seems to have shrugged off two major Nuclear events.
Perhaps someone could also explain the differences between the Cherynobl radiation leak, and the Nagasaki/Hiroshima incidents. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2g1u0f/eli5_how_did_japan_overcome_the_radioactive_fall/ | {
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"text": [
"A bomb produces much less radiation than - for example - a power plant. The design of the bomb is to totally use up the radioactive material as quickly as possible. So...there is... | [] | [] | [
[],
[
"http://www.energy-net.org/01NUKE/images/bomb-2.jpg"
],
[],
[]
] | |
2khwjt | how come ups and fedex can operate nationwide with huge profits, but usps hasnt profited in years? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2khwjt/eli5_how_come_ups_and_fedex_can_operate/ | {
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... | [] | [] | [
[],
[],
[],
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"http://www.pbs.org/wnet/need-to-know/five-things/the-u-s-postal-service/11433/",
"http://thinkprogress.org/economy/2011/09/28/330524/postal-non-crisis-post-office-save-itself",
"http://deliveringforamerica.com/resources/PreFundingFactSheet_final.pdf"
],
[],
[],
[],
[],
[... | ||
1ryk9e | What was the culture of pre-Sengoku Japan like? | My knowledge of Japanese history only covers a bit of military history throughout Japan - and I'm curious! What about the earlier period? Did they glorify warfare, or were there famous books and artistic works? Was there a defining book on warfare? What about love and more "womanly arts?" | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1ryk9e/what_was_the_culture_of_presengoku_japan_like/ | {
"a_id": [
"cds98ey"
],
"score": [
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"text": [
"Ok, this is going to be a bit of a long answer...\n\nThe Heian period (794-1185) was the last of the 'classical' eras in Japan. There was no Shogun, only an Imperial court. It is well known for its arts and culture (unfortunately, only the noble... | [] | [] | [
[]
] | |
4o45ny | What do we know about the motivations of Empress Dowager Cixi during the late 19th century and the Hundred Days of reforms? | Professor Kenneth Baum had a series called "The Fall and Rise of China" in which he portrayed Cixi as a hardline reactionary. I stopped listening when he assigned to her that most classic of disruptable acts, the poisoning of close family members. It seemed too connected t tropes.
However, another professor I had the ... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4o45ny/what_do_we_know_about_the_motivations_of_empress/ | {
"a_id": [
"d49k42y"
],
"score": [
2
],
"text": [
"I had quite an interesting debate with another poster [about this very topic](_URL_0_) a few weeks ago. Hopefully it may answer some of your questions. "
]
} | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/4i1lai/why_did_japan_modernize_and_progress_toward_an/"
]
] | |
9tisg7 | why long stays in low gravity impairs vision | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9tisg7/eli5_why_long_stays_in_low_gravity_impairs_vision/ | {
"a_id": [
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"text": [
"I believe it has something to do with the lack of or lesser gravity effecting the pressure of fluids in the eye. Because the human eye evolved at earths gravity, it is used to that pressure. But when you let the gravity pressure off, fluids in yo... | [] | [] | [
[]
] | ||
22oiqn | why does taking a small amount of melatonin work better than taking a large amount? | Why? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/22oiqn/eli5_why_does_taking_a_small_amount_of_melatonin/ | {
"a_id": [
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"text": [
"Taking melatonin works by replicating the natural release of melatonin in your system at sunset. You could get the same response by dimming all your lights and switching to redder light an hour before bed, but who wants to ... | [] | [] | [
[],
[]
] | |
2v852f | why are serial killers so difficult to catch? | I have been watching a few documentaries on serial killers (notably John Wayne Gacy and Ted Bundy) and they manage to kill dozens of people without attracting the attention of law enforcement for years, if ever. It seems like solving crimes of that amount would be top priority amongst criminal investigations.
In case ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2v852f/eli5_why_are_serial_killers_so_difficult_to_catch/ | {
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5,
18,
4,
3
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"text": [
"Well, by definition, serial killers are good at killing people without getting caught. If they weren't skilled at avoiding capture and leaving behind little/... | [] | [
"http://en.wikipedia.org/wiki/Ted_Bundy",
"http://en.wikipedia.org/wiki/John_Wayne_Gacy"
] | [
[],
[],
[],
[],
[
"http://www.horroretc.com/2014/12/30/episode-370-canadian-serial-killers/"
]
] | |
57zr7v | Why is stagnant water unsafe while flowing water is considered safer? What causes the microbes to flourish in stagnant ponds? | askscience | https://www.reddit.com/r/askscience/comments/57zr7v/why_is_stagnant_water_unsafe_while_flowing_water/ | {
"a_id": [
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2,
3
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"text": [
"Flowing water will carry away mist microbial life with it. Stagnant water means that the microbes will continue to grow their population and release metabolites into the water, and in general develop a more complex microbiom... | [] | [] | [
[],
[]
] | ||
1ldjnb | how can any country or coalition expect to challenge the united states and its allies in total war? | Even with Russia and China both having nuclear weapons, the level of technology and number of foreign military bases the United States controls seem insurmountable by any coalition of nations. With people talking about a Syrian strike being a catalyst for World War 3, how can any country or coalition actually expect t... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ldjnb/eli5_how_can_any_country_or_coalition_expect_to/ | {
"a_id": [
"cby5gk8",
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"score": [
10,
3
],
"text": [
" > With people talking about a Syrian strike being a catalyst for World War 3\n\n\nThe only people talking about a world war coming from the current kerfuffle in Syria are those with no real grounding in politics or histor... | [] | [
"http://en.wikipedia.org/wiki/List_of_countries_with_overseas_military_bases"
] | [
[],
[]
] | |
7ejqeo | why do ladders have one or two steps towards the top that you are not supposed to climb? | If you are clearly not supposed to use them because they are unsafe, why include them? Seems like a waste of material. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7ejqeo/eli5_why_do_ladders_have_one_or_two_steps_towards/ | {
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],
"text": [
"1. They still provide structural integrity in holding the ladder together;\n2. When those steps are flat (as with folding ladders) you can rest tools and materials there.\n3. They... | [] | [] | [
[],
[],
[],
[
"https://youtu.be/0NegJkO_ZM4?t=1198"
]
] | |
18jere | what is the strategy of nascar driving? how important is the team? the driver? game plans for specific races? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/18jere/eli5_what_is_the_strategy_of_nascar_driving_how/ | {
"a_id": [
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"score": [
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6,
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],
"text": [
"I'll try to answer this to my best ability. As for strategies, it's really what you plan to do to get to first. Whether you sit in the back and move yourself forward towards the ... | [] | [] | [
[],
[],
[],
[]
] | ||
a357bi | what causes nuclear bombs to mushroom inside of itself, but not regular explosive bombs? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a357bi/eli5_what_causes_nuclear_bombs_to_mushroom_inside/ | {
"a_id": [
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"score": [
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4,
2
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"text": [
"Conventional weapons - if powerful enough - do create mushroom clouds as well. They're also visible around natural events, like volcanic eruptions.",
"The size of the explosion. Regular explosive bo... | [] | [] | [
[],
[],
[
"https://en.wikipedia.org/wiki/Tsar_Bomba#Test",
"https://youtu.be/eiM-RzPHyGs?t=225"
]
] | ||
1kuhsz | how to get the percentage between two numbers (exact question in text) | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1kuhsz/eli5_how_to_get_the_percentage_between_two/ | {
"a_id": [
"cbsq6dw"
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"score": [
2
],
"text": [
"ELI5 isn't for math homework, try /r/homeworkhelp or /r/answers. Removing."
]
} | [] | [] | [
[]
] | ||
68spwr | How did Portugal shape the eventual Trans-Atlantic slave trade? | I have heard Portugal really made huge technological, societal, economic and political moves that made them ground breakers and drivers of this trade, how is this the case? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/68spwr/how_did_portugal_shape_the_eventual_transatlantic/ | {
"a_id": [
"dh1hkx4"
],
"score": [
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"text": [
"One of the most important sources for understanding the Trans-Atlantic slave trade is the Slave Trade Database: _URL_0_\n\nA look at the statistics for Portugal/Brazil show that during the slave trade, a full 3,897,000 slave embarked from Africa... | [] | [] | [
[
"http://www.slavevoyages.org/"
]
] | |
1qzqit | Is the incidence of genetically-related disease lower in those who would be considered 'two or more races' as compared to those who would be considered one race? | I ask because I remember learning about how cross-breeding between two inbred types of corn created a more durable, disease-resistant type of corn. Can the same be said of humans? I.e., is someone who is, say, half-Chinese half-African more likely to be immune to certain diseases or have greater immunological resistanc... | askscience | http://www.reddit.com/r/askscience/comments/1qzqit/is_the_incidence_of_geneticallyrelated_disease/ | {
"a_id": [
"cdi6qrb",
"cdi8nrl",
"cdine0v",
"cdio3cx"
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"score": [
11,
3,
2,
2
],
"text": [
"1) Race is rather arbitrary, irrelevant, and somewhat silly. There are no hard lines between human \"races\" everything very much exists along a continuum. With some populations (... | [] | [] | [
[],
[],
[],
[]
] | |
qhd30 | differences between video file types (mp4, avi, mkv, etc) | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/qhd30/eli5_differences_between_video_file_types_mp4_avi/ | {
"a_id": [
"c3xn2wj",
"c3xn4rw"
],
"score": [
14,
4
],
"text": [
"They're basically all the same thing, just written differently.\n\nThink of it like books (sort of) in a different language.\n\nIt's the same story about a bunny being buddies with a bear and all the crazy adventures they g... | [] | [] | [
[],
[
"http://www.reddit.com/r/explainlikeimfive/comments/q5vpg/eli5_difference_between_video_formats_and_codecs/c3v3akf"
]
] | ||
2ze2w7 | why is a photon (light) affected by gravitational fields? | photons are mass less particles ,i.e. mass =0
so why would they be affected by the gravitational pull of black holes?
| askscience | http://www.reddit.com/r/askscience/comments/2ze2w7/why_is_a_photon_light_affected_by_gravitational/ | {
"a_id": [
"cpiq3pv",
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"score": [
7,
4
],
"text": [
"Because gravity in its fundamental formulation is an effect related to energy, not to mass. Photons have no mass but they have energy, which we capture using solar panels for examples. \n\nHowever, mass is a form of energy (... | [] | [] | [
[
"https://www.youtube.com/watch?v=IM630Z8lho8"
],
[]
] | |
1ojhdk | Why were Tommy Guns so prevalent in the Roaring 20s? | And how were gangsters able to get ahold of them so easily? According to [wikipedia](_URL_0_), they were only issued to the Postal Service and Marine Corps, small quantities, whereas the civilian version was expensive as well, creating another difficult barrier of attaining.
These qualities seem to totally contrast wi... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1ojhdk/why_were_tommy_guns_so_prevalent_in_the_roaring/ | {
"a_id": [
"ccsj6de",
"ccszalr"
],
"score": [
4,
2
],
"text": [
"They were easy to get a hold of because this was prior to the [National Firearms Act](_URL_0_). As to availability, [Thompson sold it by mail order and in stores](_URL_3_). Price doesn't seem to have been the determining f... | [] | [
"https://en.wikipedia.org/wiki/Tommy_gun#Early_use"
] | [
[
"http://www.atf.gov/firearms/nfa/index.html",
"http://world.guns.ru/smg/usa/thompson-e.html",
"http://www.thomasroche.com/2012/07/13/clyde-barrow-and-bonnie-parkers-guns/",
"http://www.auto-ordnance.com/ao-thompson-submachine-gun.asp",
"http://world.guns.ru/machine/usa/browning-m191-bar-e.html... | |
4cc6sm | why did turkey not become a modern international power like france, germany, italy, england, japan, russia and china? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4cc6sm/eli5_why_did_turkey_not_become_a_modern/ | {
"a_id": [
"d1guggb"
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"score": [
4
],
"text": [
"For many centuries, Ottoman Empire sat between Europe and Asia. This meant that trade between the two had to pass through them, and they were able to profit from that. European powers, wanting to cut out the middle-man, eventually found routes ar... | [] | [] | [
[]
] | ||
cf36bv | Family genealogy related question | So I'm helping my grandfather wade through our family genealogy. According to a ship's roster, two of my ancestors came to New Netherland (New York) in 1638 from England. They had children with them, but the roster doesn't say how many or their names. Family stories that have come down through all these years say that ... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/cf36bv/family_genealogy_related_question/ | {
"a_id": [
"euas2lz"
],
"score": [
4
],
"text": [
"I do a great deal of genealogy, but there is so much to unpack in this question. The main thing about family research is that you must research from the present back to the past and you must go only where the facts lead you and ignore apocryphal ... | [] | [] | [
[
"familysearch.org"
]
] | |
36js7r | Regarding the Holocaust, why didn't Hitler just give the order for all prisoners to be shot immediately? | Disclaimer: I in no way support the Holocaust, i'm fairly sure nobody does. I don't like Hitler in any way, just always wondered this...
So the goal of the Holocaust was to get of people who were not of the Aryan, or German race, correct? It seems like they did it quite inefficiently. Couldn't they have just rounded u... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/36js7r/regarding_the_holocaust_why_didnt_hitler_just/ | {
"a_id": [
"crek83i",
"crelbfz"
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"score": [
3,
3
],
"text": [
"They were often put to work in the camps, its not like they just sat around. Making clothes or ammunition was common. Many Jews were essentially slave labor, but many of the elderly or those too weak to work were quickly kil... | [] | [] | [
[],
[]
] | |
6qy47a | the persistence of end-of-the-world claims. | Even people that don't believe in religious texts can get swept up in end-of-days panic. In this century alone, we've been through two abruptly canceled Apocalypses (Y2K and 21/12/2012). Is it psychological, something people are simply prone to believe? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6qy47a/eli5_the_persistence_of_endoftheworld_claims/ | {
"a_id": [
"dl0ujy6",
"dl0uvs2",
"dl0wprp"
],
"score": [
11,
2,
3
],
"text": [
"Y2K was not \"abruptly canceled\". It was prevented, through an incredible amount of work. We saw it coming, and we fixed it, with millions of hours of coding and bug-fixing. The cost of all the wor... | [] | [] | [
[],
[],
[]
] | |
aq9jit | Phoenicians in Herodotus. | I am primarily studying Phoenician history and i am puzzled with statements in Herodotus, they don't seem to make much sense.
**Herodotus 7.89**
These Phoenicians formerly dwelt, as they themselves say, by the Red Sea; they crossed from there and now inhabit the seacoast of Syria. This part of Syria as far as ... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/aq9jit/phoenicians_in_herodotus/ | {
"a_id": [
"egep33y"
],
"score": [
5
],
"text": [
"I think, based on your translation, that you're using the Perseus version of the text, which is Godley, 1920. So for simplicity's sake I'll use the greek from the same edition as available on Perseus if I need it.\n\nTo understand the context of ... | [] | [] | [
[]
] | |
4je6yr | How/Why did Desert Storm Happen? | [deleted] | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4je6yr/howwhy_did_desert_storm_happen/ | {
"a_id": [
"d35yo3n",
"d36pcu2"
],
"score": [
5,
2
],
"text": [
"What exactly do you mean? Do you mean why Iraq invaded Kuwait? Or the US responded the way it did? Or why the air campaign caused such abject destruction among Iraqi forces? \n\nThere have been entire books written on each o... | [] | [] | [
[],
[]
] | |
26mjub | Where does all the rubber go? | When a tire wears down because of use, it looses about 1/2 inch of rubber off of the tread. This happens to millions of tires each year. So where does this volume of rubber go? | askscience | http://www.reddit.com/r/askscience/comments/26mjub/where_does_all_the_rubber_go/ | {
"a_id": [
"chshg02",
"chsmb27",
"chsww8b"
],
"score": [
84,
27,
4
],
"text": [
"It depends on the size of the rubber particulates coming off the tyre. But first we need to understand how the rubber separates from the main body in the first place. Synthetic rubber (which is what p... | [] | [] | [
[
"http://f1.imgci.com/PICTURES/CMS/15500/15530.jpg"
],
[],
[]
] | |
xm70u | What evolutionary pressures led to the differences of morphology among different human races? | Question inspired by the Olympics. I use the term 'races' out of ignorance of a better way of classifying humans, but it seems as though people of African origin generally seem better suited for track races, people of European origin seem better suited for water sports, and people of East Asian descent seem to be bette... | askscience | http://www.reddit.com/r/askscience/comments/xm70u/what_evolutionary_pressures_led_to_the/ | {
"a_id": [
"c5nkg3d",
"c5nkgd4",
"c5nmdvr"
],
"score": [
3,
11,
7
],
"text": [
"People who lived and trained at altitude will automatically have a better physical condition because they have more red bloodcells and thus can absorb more oxygen.\n_URL_0_",
"My guess is that most... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Altitude_training"
],
[],
[
"http://www.telegraph.co.uk/science/science-news/7884135/Centre-of-gravity-theory-for-dominance-of-black-sprinters-and-white-swimmers.html"
]
] | |
5vwz9l | Why are the air intakes of fighter jets so often on the bottom of the plane? | Just as an example, the F-16 is like a vacuum cleaner, and will suck up ANYTHING off the ground nearby. That's a problem when rocks, tools, and bolts, get sucked up into the air intake, so I'm wondering why they continue to be below wing level.
As I'm not an aeronautical engineer, the only good reason I can think of s... | askscience | https://www.reddit.com/r/askscience/comments/5vwz9l/why_are_the_air_intakes_of_fighter_jets_so_often/ | {
"a_id": [
"de5nq8e",
"de5t0vg",
"de5unmk",
"de6m5bu"
],
"score": [
51,
5,
8,
7
],
"text": [
"For fighters, having the intakes above the wings would create a visual obstruction for the pilots, a definite disadvantage in a dogfight. Generally, the top of the wing is more ae... | [] | [] | [
[],
[
"https://i.stack.imgur.com/FAls1.jpg"
],
[],
[]
] | |
b6y7o7 | why does just thinking about tequila make me want to throw up? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b6y7o7/eli5_why_does_just_thinking_about_tequila_make_me/ | {
"a_id": [
"ejntdol"
],
"score": [
2
],
"text": [
"Because your brain and your body are deeply connected. Your body once threw up after drinking tequila, and told your brain, “we don’t care for that at all”. So your body is just reminding your brain of that. "
]
} | [] | [] | [
[]
] |
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