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 |
|---|---|---|---|---|---|---|---|---|---|
zfrvj | why are comic books published date set in a future date? | I have been collecting comic books for a while now and this has always bothered me. As an example, I just bought DC's Earth Two #0 that came out today. The bar code has a date of Nov 2012, and it says 'Earth 2 0. November 2012.' inside the book, which will be interpreted by people who aren't into comics that this parti... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/zfrvj/eli5_why_are_comic_books_published_date_set_in_a/ | {
"a_id": [
"c647oqj",
"c6495yd"
],
"score": [
6,
14
],
"text": [
"[Relevent (?) wikipedia link](_URL_0_)",
"The date on the cover isn't actually when the comics come out. Instead, the date signifies when newsstand owners / store clerks should remove them from the shelves!\n\nIt's sort... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Cover_date"
],
[]
] | |
6sab5x | [technology]how does mobile data consumption change when watching a video vs downloading it? | I understand that higher quality=higher 'information' that needs to be uploaded to be able to see the video = > higher data consumption.
And i think the same way goes for the video duration.
Would there be a difference in mobile data consumption if(for example) i were to see a 5min video (360p) instead of downloadin... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6sab5x/eli5_technologyhow_does_mobile_data_consumption/ | {
"a_id": [
"dlb8j8w"
],
"score": [
3
],
"text": [
"No. There's no difference in the data-rate between streaming and downloading a video. When downloading, all you're doing is taking the exact same video and storing it locally. The same information has to come from the video's host either way."
... | [] | [] | [
[]
] | |
2ffvjj | Why does thermite release it's energy as incredible heat rather than exploding? | askscience | http://www.reddit.com/r/askscience/comments/2ffvjj/why_does_thermite_release_its_energy_as/ | {
"a_id": [
"ck8ulqw",
"ck8um0v",
"ck8y7gc"
],
"score": [
32,
15,
5
],
"text": [
"Thermite doesn't produce any gas. Aluminium reacts with Iron oxide. The result is Iron and Aluminium oxide, both solids (or, liquids because of the heat). So the volume stays (mostly) the same, and no... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/Boiling_liquid_expanding_vapor_explosion#cite_note-2",
"http://en.wikipedia.org/wiki/Thermite#cite_note-2"
]
] | ||
3mw3y6 | how can the brain make you sleepwalk, but not turn you on your side if you are choking on your vomit? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3mw3y6/eli5_how_can_the_brain_make_you_sleepwalk_but_not/ | {
"a_id": [
"cvin7wb"
],
"score": [
5
],
"text": [
"People who are vomiting in their sleep are either very sick, or (much more likely) intoxicated. Their brain is therefore in a state of reduced effectiveness."
]
} | [] | [] | [
[]
] | ||
1lermw | What percentage of men who went to fight in medieval wars could expect to come home? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1lermw/what_percentage_of_men_who_went_to_fight_in/ | {
"a_id": [
"cbylwvx",
"cbymjdd",
"cbyz6si"
],
"score": [
3,
21,
2
],
"text": [
"I don't have an answer do you, unfortunately, but I believe you would have more luck getting an answer if you narrowed down the time period a bit. Perhaps one of the crusades?",
"I do not know abou... | [] | [] | [
[],
[],
[]
] | ||
9tzcb7 | So water causes the soluble coating on tide pods to disintegrate 10 seconds or so after you place it in the washer. However, inside the pod there is a concentrated detergent that also has water in it. So why doesn’t the liquid inside the pod also cause it to disintegrate? | askscience | https://www.reddit.com/r/askscience/comments/9tzcb7/so_water_causes_the_soluble_coating_on_tide_pods/ | {
"a_id": [
"e92ijzu",
"e939kqc"
],
"score": [
2,
5
],
"text": [
"I haven't actually looked into how tide does it, but probably some hydrophobic coating on one side. When it's in the box it prevents the detergent from dissolving the plastic. When the outer coating is dissolved, the pressur... | [] | [] | [
[],
[
"https://patents.google.com/patent/WO2014202412A1/en"
]
] | ||
10f3jx | How does mRNA "know" wether to travel to a bound ribosome vs. a free ribosome? | askscience | http://www.reddit.com/r/askscience/comments/10f3jx/how_does_mrna_know_wether_to_travel_to_a_bound/ | {
"a_id": [
"c6cx0ri",
"c6cyirb",
"c6d9wtn"
],
"score": [
2,
4,
2
],
"text": [
"This thread seems relevant: _URL_0_",
"In general molecules moving about in a cell don't have any idea where they're going. There is no conscious action or directive that tells them what to look for... | [] | [] | [
[
"http://www.reddit.com/r/askscience/comments/qo9gr/how_does_mrna_find_the_ribosomes_during_protein/"
],
[],
[
"http://en.wikipedia.org/wiki/Protein_targeting"
]
] | ||
8oycco | By the time the Berlin Wall fell, had the more than 40 years of separation led to notable differences between the Standard German spoken on either side of the wall? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/8oycco/by_the_time_the_berlin_wall_fell_had_the_more/ | {
"a_id": [
"e07ku2u"
],
"score": [
4
],
"text": [
"Expanded from an [earlier answer of mine](_URL_2_)\n\nGerman division did not create a wholesale division of the language. Although there certainly was a political divide between the two Germanies, the cultural divide was somewhat less salient. ... | [] | [] | [
[
"https://www.youtube.com/watch?v=BKOPlKwaJH0",
"http://www.dw.com/en/the-du-sie-dilemma-in-german/a-16494631",
"https://www.reddit.com/r/AskHistorians/comments/44r5oh/did_russia_impose_grammatical_changes_on_east/",
"https://de.wikipedia.org/wiki/Sprachgebrauch_in_der_DDR#Liste_DDR-typischer_W.C3.... | ||
bjbt1d | what is the difference between being found guilty and being convicted? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bjbt1d/eli5_what_is_the_difference_between_being_found/ | {
"a_id": [
"em719ia"
],
"score": [
8
],
"text": [
"A conditional discharge is a type of plea deal. Essentially, you admit that you committed the crime in question and, in exchange, the judge agrees that if you fulfill certain conditions (typically completing a rehabilitation or therapy program) ... | [] | [] | [
[]
] | |
crqvqq | why is some glass not allowed near open flames or it shatters (display candles, etc) yet some glass like scientific beakers can withstand flames directly on then when all glass is made with heat? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/crqvqq/eli5_why_is_some_glass_not_allowed_near_open/ | {
"a_id": [
"ex8c2nd",
"ex8h56o"
],
"score": [
2,
3
],
"text": [
"Different ingradients basically. Boron included glasses can withsand much more heat than non-included ones.",
"Some glass is scientific / pyrex (boron + silica ) It has a low coefficient of expansion over a thermal range... | [] | [] | [
[],
[]
] | ||
3j5klz | why is data still compressed? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3j5klz/eli5_why_is_data_still_compressed/ | {
"a_id": [
"cumgwrv",
"cumgz5w"
],
"score": [
2,
2
],
"text": [
"Most cameras now allow you to save uncompressed (\"RAW\") photos.\n\nCompression lets you download photos much faster, and use less of your data plan if you have limited data.\n\nCompression for videos is still a necessity i... | [] | [] | [
[],
[]
] | ||
2q6ixx | why are rockets launched from places like cape canaveral and not high up in the mountains? | Wouldn't it save tons of fuel to not have to punch through the atmosphere? Besides cost of fuel rockets could reach even higher velocities and therefore reach outer planets much faster. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2q6ixx/eli5_why_are_rockets_launched_from_places_like/ | {
"a_id": [
"cn3b5d7",
"cn3b64d",
"cn3b84h",
"cn3bokc"
],
"score": [
2,
3,
17,
2
],
"text": [
"I believe that it's because of the issues related to building everything so high up.\n\nEverything you see on the ground would have to be moved up to the top of mountains (Or simp... | [] | [] | [
[],
[],
[],
[]
] | |
3inec1 | how does the nordic model of economy work? | It seems like socialism and capitalism just shouldn't work together. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3inec1/eli5how_does_the_nordic_model_of_economy_work/ | {
"a_id": [
"cuhymca",
"cuhyqw6"
],
"score": [
4,
3
],
"text": [
"In Norway, things which everyone needs, like food, shelter, and medical care, are provided to everyone via a robust social welfare system. Things which people want, but do not need (basically all consumer items) get provided... | [] | [] | [
[],
[]
] | |
3gxro4 | When did Lincoln become a folk hero and when did he start to be considered the best president in many people's minds? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3gxro4/when_did_lincoln_become_a_folk_hero_and_when_did/ | {
"a_id": [
"cu32wih"
],
"score": [
6
],
"text": [
"Arthur Schlesinger Jr. conducted a survey of historians that resulted in a ranking of the presidents in 1948 for *Life* and another in 1962 that appeared in [*The New York Times*] (_URL_0_). Both surveys ranked Abraham Lincoln at #1 followed by G... | [] | [] | [
[
"http://query.nytimes.com/gst/abstract.html?res=9E07EEDA123EE036A0575AC2A9619C946391D6CF"
]
] | ||
cxxlvx | if i'm in a coma for x years, am i x years older? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cxxlvx/eli5_if_im_in_a_coma_for_x_years_am_i_x_years/ | {
"a_id": [
"eyo5nie"
],
"score": [
2
],
"text": [
"You're physically 16 but mentally still 5.. Idt you would be capable of driving in that case.."
]
} | [] | [] | [
[]
] | ||
4uwr6w | how were metal chains made before we had welding machines? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4uwr6w/eli5_how_were_metal_chains_made_before_we_had/ | {
"a_id": [
"d5tgs1r"
],
"score": [
2
],
"text": [
"Blacksmiths would heat the metal, and then hammer weld. You beat two pieces of metal with a hammer, and they will weld together. Lot's of info on Youtube about this type of welding."
]
} | [] | [] | [
[]
] | |
340km0 | How much energy is lost in an internal combustion engine through the sound that it makes? | askscience | http://www.reddit.com/r/askscience/comments/340km0/how_much_energy_is_lost_in_an_internal_combustion/ | {
"a_id": [
"cqq9ivv"
],
"score": [
4
],
"text": [
"The math isn't overly complex, but the short answers is \"not much\". Sound doesn't take a lot of energy to produce, even at the volume a car produces before the muffler. A few hundred watts at most. A car engine is in the range of a few hundred ... | [] | [] | [
[]
] | ||
2pfi94 | Why were the stairs in American vernacular houses behind doors? | I have seen many houses throughout my area (Southern Appalachia) with a staircase behind a door. I just want to know why they built them like that. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2pfi94/why_were_the_stairs_in_american_vernacular_houses/ | {
"a_id": [
"cmwove5"
],
"score": [
2
],
"text": [
"Heat rises up stairwells. One reason to have a door on a stairwell would be to keep the heat (from a fireplace or a stove) on the ground floor, instead of rising up the stairwell. This would keep the ground floor warmer.\n\nThis would be partic... | [] | [] | [
[]
] | |
uucuh | I often see a spider walking a cross a web line between two trees. How did they get the web to the other side to begin with? | askscience | http://www.reddit.com/r/askscience/comments/uucuh/i_often_see_a_spider_walking_a_cross_a_web_line/ | {
"a_id": [
"c4ymerv",
"c4yrmyc"
],
"score": [
67,
2
],
"text": [
"The spider lets out an adhesive thread into the wind. Usually it does this upwind of an object suitable for this. When the thread adheres to the surface, the spider then goes across the thread while letting out a tougher no... | [] | [] | [
[],
[
"http://www.espace-sciences.org/explorer/animations-en-ligne/comment-l-araignee-construit-elle-sa-toile"
]
] | ||
bq6to0 | What factors primarily determine if a shoreline is rocky or sandy? | askscience | https://www.reddit.com/r/askscience/comments/bq6to0/what_factors_primarily_determine_if_a_shoreline/ | {
"a_id": [
"eo3l39z",
"eo4kfft"
],
"score": [
7,
4
],
"text": [
"It has to do mostly with how long the waves have been washing over and corroding the rock over time. The most common component of sand is quartz, which ranks a 7 on the MOHS Scale of Hardness, meaning that the amount of time... | [] | [] | [
[],
[]
] | ||
eh7fiy | how rough seas come about. | Like you see in the movies, where boats are way in the air then like down in a valley. What makes the ocean do that? Wind? If so how? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/eh7fiy/eli5_how_rough_seas_come_about/ | {
"a_id": [
"fcg3qu2"
],
"score": [
3
],
"text": [
"Wind adds energy to the sea by pressing on it, which makes the waves we know and love at a perpendicular angle. Like sticking your hand in the water and the waves radiate out. Harder winds mean more pressure in the water mean higher waves, especi... | [] | [] | [
[]
] | |
n5njo | What happens physiologically during exercise that can help us not only prevent osteoporosis, but even cause an increase bone mineral density? | I know about the bone remodeling with osteoblasts and osteoclasts, but what actually happens to this process when forces are applied to bones that causes an increase in BMD. Furthermore, when astronauts are in space and their bones are not under normal forces due to mechanical unloading they can lose up to 1-2% of th... | askscience | http://www.reddit.com/r/askscience/comments/n5njo/what_happens_physiologically_during_exercise_that/ | {
"a_id": [
"c36fts4",
"c36fts4"
],
"score": [
3,
3
],
"text": [
"The remodeling of the bones is very responsive to mechanical stress. When you exercise, you place stress on the bones, and they respond by laying down more bone matrix, thus increasing bone density.\n\nAstronauts in space a... | [] | [] | [
[],
[]
] | |
1ptvie | why is this baby crying? | I know it seems trivial, but I don't understand what's happening [here](_URL_0_). If something scared a baby it would cry or yell, if the baby is amused it would smile and laugh. But here it's crying out of emotion and pleasure, almost out of the appreciation/emotion of the singing... can babies at that age have such a... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ptvie/eli5why_is_this_baby_crying/ | {
"a_id": [
"cd67tow"
],
"score": [
2
],
"text": [
"i would think it was the subject matter of the song (kinda sad song) and the kid knows that based on either the mother's facial expressions/body language or by the tone of voice. Kids react to the mother's emotions very easily."
]
} | [] | [
"http://www.youtube.com/watch?v=nIsCs9_-LP8"
] | [
[]
] | |
f8lxmq | why is it so hard to sleep in silence once you get adjusted to a white noise? | I’ve always wondered this. I use a fan every night even if it’s freezing cold and it’s for the white noise. I literally can’t sleep without it going and I start getting paranoid about the house creaks and deafening silence. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/f8lxmq/eli5_why_is_it_so_hard_to_sleep_in_silence_once/ | {
"a_id": [
"fim6b93"
],
"score": [
13
],
"text": [
"Your environment has changed, so you become hyper aware. It's the same concept as when you first move out from your parents or get a new job. It's different from the norm so your mind pays more attention to it's surroundings as a survival mechan... | [] | [] | [
[]
] | |
4t9yyb | How historically accurate is the series "Empresses in the Palace/The Legend of Zhen Huan"? | I've recently become enamoured with this series, and I am fascinated with the workings of the Chinese Imperial Court during the Qing dynasty. However, I had a few questions:
1. What benefits would a concubine receive from being elevated to various ranks (First Attendant, Lady, Noble Consort etc)? Is it only for presti... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4t9yyb/how_historically_accurate_is_the_series_empresses/ | {
"a_id": [
"d5frnmb"
],
"score": [
2
],
"text": [
" > What benefits would a concubine receive from being elevated to various ranks (First Attendant, Lady, Noble Consort etc)? Is it only for prestige, or were there practical benefits as well?\n\nBelieve it or not, being empress/consort/concubine ... | [] | [] | [
[]
] | |
7kbk4z | why do episodes of animated shows take so long to make? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7kbk4z/eli5_why_do_episodes_of_animated_shows_take_so/ | {
"a_id": [
"drd1agi",
"drd38zr"
],
"score": [
3,
3
],
"text": [
"You need to draw those characters, animate it per frame per scene. Afterward, quality check to ensure it follows the script; otherwise repeat the process again; then only voice over with voice actors / actress.",
"Keep i... | [] | [] | [
[],
[]
] | ||
35cst4 | why does it feel so orgasmic when you insert a cue tip into your ear? | Second favorite hobby after sniffing sharpies. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/35cst4/eli5_why_does_it_feel_so_orgasmic_when_you_insert/ | {
"a_id": [
"cr380iq",
"cr387vs",
"cr38r9x"
],
"score": [
2,
2,
2
],
"text": [
"Do you mean queue tip?",
"Because its something that doesn't often get touched, so it's incredibly sensitive.\n\nI love it too...I also love itching the inside of my eyelids. And my taint",
"Eve... | [] | [] | [
[],
[],
[]
] | |
1rc91e | if i die in a car accident alone, how is my next of kin identified and contacted? | I live in the US. I commute to work alone everyday. I'm married but my wife does not share my last name. Sometimes my phone has a pass code. How do responders or the morgue find and contact my wife if I die unexpectedly? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1rc91e/eli5_if_i_die_in_a_car_accident_alone_how_is_my/ | {
"a_id": [
"cdlqsbk",
"cdlqu72"
],
"score": [
2,
4
],
"text": [
"They would start by looking in your vehicle for identifying information, including your vehicle registration and cellphone, and contact those at an address best determined to be your home. Many people put a contact in their ... | [] | [] | [
[],
[]
] | |
5vv8j8 | how does sweden get things done if they have 6 hour work days, 25 vacation days per year, etc? | I live in Canada, and in order for construction crews to get their work done they usually work 10-12 hour days 6 days a week during the spring, summer and early fall. How does Sweden manage to build and maintain infrastructure if they can only make their employees work 6 hour days? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5vv8j8/eli5_how_does_sweden_get_things_done_if_they_have/ | {
"a_id": [
"de55dhs",
"de55f1o",
"de57x4w"
],
"score": [
16,
3,
5
],
"text": [
"It's been shown that the longer and harder someone is made to work, the less work they actually get *done,* because they get tired and work slower, get sick more easily, miss days, etc. If you let peop... | [] | [] | [
[],
[],
[]
] | |
1wazc3 | Is it better in the long term for a car to be "warmed up" in cold weather before using it? | If not, at what temperature does warming it up become necessary? This question comes from a friend in Michigan. | askscience | http://www.reddit.com/r/askscience/comments/1wazc3/is_it_better_in_the_long_term_for_a_car_to_be/ | {
"a_id": [
"cf0dlju",
"cf0jjfo",
"cf0lzyy",
"cf0nuj6"
],
"score": [
27,
12,
40,
2
],
"text": [
"For older cars (i.e. mid 1980s and older) it's definitely a good idea because the existing technology for engine ignition and fuel delivery worked best when warm. Nowadays, our... | [] | [] | [
[],
[],
[],
[]
] | |
3a8huj | why does porn stream better on my phone over 4glte than it does on my home internet with 50/50/mbps? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3a8huj/eli5_why_does_porn_stream_better_on_my_phone_over/ | {
"a_id": [
"csa9z57"
],
"score": [
2
],
"text": [
"I doubt you have a symmetrical home connection. But even if you do, well.. are you using WiFi?\n\n\"Standard\" WiFi (802.11g) can only obtain a maximum link speed of 54mbps whereas 4G LTE supports up to 100mbps. WiFi has many variables that may a... | [] | [] | [
[]
] | ||
3hp9nn | WWII and Reinforced Units. | I've been reading a lot about individual battles fought by US troops during WWII and come across numerous references to reinforced units at pretty much every level from company through division and even a few corps, often with (Reinforced) after the unit name. It seems to occur most often in the Pacific and Marine unit... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3hp9nn/wwii_and_reinforced_units/ | {
"a_id": [
"cu9dup8",
"cu9juxl"
],
"score": [
12,
2
],
"text": [
"You are correct that reinforced units had extra assets attached, before making an attack on an important target. In the US Army, every Corps and Army had a pool of independent Armor, Artillery, Engineer, Recon and Tank Dest... | [] | [] | [
[],
[]
] | |
4duo4k | how do "safe spaces" relate to the first amendment? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4duo4k/eli5how_do_safe_spaces_relate_to_the_first/ | {
"a_id": [
"d1uhqlc"
],
"score": [
5
],
"text": [
"You might need to add more context.\n\nRemember that the first amendment essentially says you won't be arrested for saying something (with a few exceptions).\n\nIf you're talking about censorship, and it's not happening from the government, they ... | [] | [] | [
[]
] | |
tbtlf | Before the Big Bang occurred were the fundamental laws governing the universe present or were these created simultaneously with the expansion? | Examples of the fundamental laws I'm asking about are Gravity, the speed of light in a vacuum, and the way atoms bond with one another.
**A further perhaps more difficult question is:** Do we have any idea how these laws came into effect and are there any possible experiments capable of answering such a question?
| askscience | http://www.reddit.com/r/askscience/comments/tbtlf/before_the_big_bang_occurred_were_the_fundamental/ | {
"a_id": [
"c4l9hgd",
"c4l9wwx"
],
"score": [
4,
2
],
"text": [
"It's unclear whether the phrase \"before the big bang\" can even be given rigorous meaning, let alone what physics applies to anything that can be given such a description.",
"Define \"before the Big Bang\" mathematicall... | [] | [] | [
[],
[]
] | |
20kx22 | After France was liberated in WWII, how prevalent were reprisals against people who collaborated with the Germans? | How worried should French collaborators have been about the possibility of being targeted for violence by former resistance members or individual victims the Germans? It seems pretty clear that this did happen in most occupied countries, but I've never seen anything to indicate on what kind of scale we're talking. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/20kx22/after_france_was_liberated_in_wwii_how_prevalent/ | {
"a_id": [
"cg4lqya"
],
"score": [
7
],
"text": [
"The situation in France is a bit complicated by the fact that part of France was actually a collaborationist puppet state of the Germans Reich, so-called [Vichy France.](_URL_0_) This meant that a lot of people were involved in some kind of deali... | [] | [] | [
[
"http://i.imgur.com/l9mVLzh.png",
"http://i.imgur.com/Zx25Evg.jpg",
"http://i.imgur.com/0FyNEUe.jpg"
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a7w5b9 | / why do baby animals have different fur than adults do? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a7w5b9/eli5_why_do_baby_animals_have_different_fur_than/ | {
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"The smaller animal has a higher surface area to volume ratio so would lose more heat and possibly needs better insulation. It also probably doesn't need the sort of tough fur able to withstand hunting prey through undergrowt... | [] | [] | [
[],
[]
] | |
4dd1ph | why do professional basketball games often end with close scores despite bigger gaps earlier in the game? | There are lots of games where one team grabs a big early lead, followed by the other team staging a big late comeback and a final few shots that decide who wins. Is this the natural consequence of rules designed to keep both teams scoring? Randomness giving way to steadier performance over time? Teams giving and losing... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4dd1ph/eli5_why_do_professional_basketball_games_often/ | {
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"text": [
"Some might say it is because there is score fixing going on whereby individual players/refs are paid to keep the score close to the betting line. They might accomplish this by intentionally missing free-throws, calling fouls... | [] | [] | [
[],
[]
] | |
eiqt3w | How does the location of the brake caliper on the disc affect braking performance? | [deleted] | askscience | https://www.reddit.com/r/askscience/comments/eiqt3w/how_does_the_location_of_the_brake_caliper_on_the/ | {
"a_id": [
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4
],
"text": [
"It doesn’t really affect performance too much. The main deciding factor on where they go is the location of the steering and how the tie rods connect. If the steering rack is in front of the wheel the brakes go on the back,... | [] | [] | [
[],
[]
] | |
1dqxua | why do some websites and programs seem to not be able to process apostrophes and instead replace it with a series of nonsensical characters. for example: instead of "john's", the site would show "john’s". | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1dqxua/eli5_why_do_some_websites_and_programs_seem_to/ | {
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"text": [
"Issues like this are usually due to mishandling of character encod... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Unicode",
"http://en.wikipedia.org/wiki/UTF-8"
],
[],
[],
[],
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1lk6gx | Are humans built to 'mate for life'? | Is settling down and 'marrying' one person for the rest of your life a biological trait of the human species, or are we intended to have multiple partners throughout our lives? | askscience | http://www.reddit.com/r/askscience/comments/1lk6gx/are_humans_built_to_mate_for_life/ | {
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"text": [
"I approved this question, not because it is a good question, but because it is a bad one. We can learn from bad questions!\n\nThere's no \"intention\" in evolution. Anthropologically, we see a tendency ... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/Obstetrical_dilemma",
"http://en.wikipedia.org/wiki/Sexual_selection",
"http://en.wikipedia.org/wiki/Altricial",
"http://en.wikipedia.org/wiki/Monogamy",
"http://en.wikipedia.org/wiki/Nuclear_family",
"http://en.wikipedia.org/wiki/Cooperative_breed... | |
8r5i2t | what happens in our brain, when we forget what we wanted to do while starting to do the action? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8r5i2t/eli5_what_happens_in_our_brain_when_we_forget/ | {
"a_id": [
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"text": [
"Our brain reinforces pathways we take more than once. Often what happens when we forget what we wanted to do while starting to do something is that a more reinforced brain pathway is triggered when we start the action, c... | [] | [] | [
[],
[]
] | ||
9w3dl9 | when dry clothes are hanging on the radiator, what happens to all that heat energy? | I just feel that the room doesn’t heat up when I forget to remove the dry clothes from the radiator.
In fairness, I don’t even know the process of drying clothes on a radiator, either. (My school didn’t teach physics at all but I’m trying to learn) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9w3dl9/eli5_when_dry_clothes_are_hanging_on_the_radiator/ | {
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"Some of the heat is used to convert the water in the clothes to water... | [] | [] | [
[],
[],
[],
[],
[],
[],
[
"https://www.engineersedge.com/materials/specific_heat_capacity_of_metals_13259.htm",
"https://www.engineeringtoolbox.com/specific-heat-capacity-d\\_391.html",
"https://www.engineersedge.com/materials/specific\\_heat\\_capacity\\_of\\_metals\\_13259.htm",
"https... | |
1w9m65 | what are collateralized debt obligations (cdo) and how do they work? | Asian here. I have been told to watch the film "Inside Job" for my upcoming exam. I can't understand the movie, since I am having trouble grasping some core ideas which all seem arcane to me. I have searched the internet for hours, and most websites assume you already know the term and their explanations include words ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1w9m65/eli5_what_are_collateralized_debt_obligations_cdo/ | {
"a_id": [
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"score": [
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"text": [
"To break it down by terms, you have a **debt** that someone is **obligated** to repay, and this debt is secured by some kind of **collateral**. This is a fancy way of describing a very common situation like someone buying a house. When you buy ... | [] | [] | [
[]
] | |
394mji | what is this white fluid covering my knee scratch | i just got my wound and this white stuff covered it. its like a lube trying not to get my wound dry | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/394mji/eli5_what_is_this_white_fluid_covering_my_knee/ | {
"a_id": [
"cs0mk5x"
],
"score": [
2
],
"text": [
"Its probably Lymph.\n\n > Lymph is a clear-to-white fluid made of: White blood cells, especially lymphocytes, the cells that attack bacteria in the blood. Fluid from the intestines called chyle, which contains proteins and fats.\n\nBasically its ... | [] | [] | [
[]
] | |
cz8f09 | how do videogame textures work? | I understand that a mesh is the shape of the "object" and the texture is applied on that mesh.
When viewing texture files they seem to be the images of the texture but jumbled up.
How is the texture file applied to the mesh and how is it decided which part of that texture image goes where? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cz8f09/eli5_how_do_videogame_textures_work/ | {
"a_id": [
"eywp64k",
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"score": [
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9
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"text": [
"There's a thing called UV coordinates. Each triangle on the mesh has coordinates associated with each point. These coordinates correspond to a point on the texture, and all 3 together determine which part of the texture is a... | [] | [] | [
[],
[]
] | |
7qxcrt | why do led lights look jittery or like they're strobing when you look at them quickly? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7qxcrt/eli5_why_do_led_lights_look_jittery_or_like/ | {
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1e5w3b | Asking again about Egalitarian society in Prehistory | My fellow history enthusiasts,
I asked this question last week, but didn't receive any answer, so I'm doing it again if I may :)
I'm listening to Dan Carlin podcasts and in an interview with the historian Gwynne Dyer, the latter said that in prehistory (before Mesopotamian civilization, i.e. most of our time as a spe... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1e5w3b/asking_again_about_egalitarian_society_in/ | {
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"Generally-speaking, smaller non-state or non-complex groups (i.e. hunter-gatherer groups of say, 20-50 people) are considered egalitarian. This is not to say that there is no hierarchy at all, just that leadership is fluid and non-permanent (one ... | [] | [] | [
[]
] | |
bju7v2 | does a leaf stay alive right after it is severed from the main plant body? if so, for how long? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bju7v2/eli5_does_a_leaf_stay_alive_right_after_it_is/ | {
"a_id": [
"emb6o7n",
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"score": [
2,
7
],
"text": [
"Yes, cell chemistry continues until the cells run out of energy or water. Plant cells (especially leaf cells) do most of their energy production locally so the greatest concern is water. How long they survive depends on am... | [] | [] | [
[],
[]
] | ||
1qmp05 | What is the purpose of the imaginary component of the Riemann Zeta Function? | I am an undergraduate physics/math/chem student who has recently become interested in the distribution of primes.
I have not studied complex analysis. Frankly, I am not sure what the 'complex plane' entails at all.
I was hoping that someone would be able to explain this in relatively simple terms, and provide some in... | askscience | http://www.reddit.com/r/askscience/comments/1qmp05/what_is_the_purpose_of_the_imaginary_component_of/ | {
"a_id": [
"cdem5qd"
],
"score": [
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],
"text": [
"So, you've probably seen the usual definition of the zeta function. Namely zeta(s) = 1+2^-s +3^-s +...\n\nNow, this is a function of a real number, s. Moreover, it is only defined, thus far, for s > 1, since the above series diverges otherwise. C... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Riemann_zeta_function#The_functional_equation"
]
] | |
2mjpor | I am an ordinary person in the middle of England in the mid 14th Century. What is the closest modern flavour of cheese to the cheese I would usually eat? | What about elsewhere? I'm just curious, really. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2mjpor/i_am_an_ordinary_person_in_the_middle_of_england/ | {
"a_id": [
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37,
7,
5
],
"text": [
"In the 14th century, parmesan (as just one example) was already being made and shipped potentially as far as England. In lowland areas of the northern Mediterranean these kinds of salty cheeses were pr... | [] | [] | [
[
"http://www.openisbn.com/isbn/9781603585064/"
],
[],
[
"http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:C:2013:231:0020:0024:EN:PDF"
]
] | |
7tv2jj | how are street address numbers decided upon, if they apparently don't refer to an agreed upon distance unit? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7tv2jj/eli5_how_are_street_address_numbers_decided_upon/ | {
"a_id": [
"dtff39q"
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"score": [
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"text": [
"In US cities, some central intersection is designated as 0. The first east-west cross street north of that is 100N. The first block south is 100S.\n\nSo if your address is 6407 N State Street, you're on State street 64 major cross streets North... | [] | [] | [
[]
] | ||
3d573x | why can 50 cents declare bankruptcy to avoid paying the woman even though he's got the excess money to give to her? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3d573x/eli5_why_can_50_cents_declare_bankruptcy_to_avoid/ | {
"a_id": [
"ct1viks",
"ct1vldo"
],
"score": [
3,
4
],
"text": [
" > even though he's got the excess money to give to her?\n\nWell, his argument is that he _doesn't_ have excess money to give her. He is claiming that all of this debts are greater than his assets and he can not afford to p... | [] | [] | [
[],
[]
] | ||
9iv0ga | what are the aggressions of iran that make the super powers want to isolate them? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9iv0ga/eli5_what_are_the_aggressions_of_iran_that_make/ | {
"a_id": [
"e6mm05y",
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"score": [
4,
2
],
"text": [
"InB4 the conspiracy nuts arrive and blame ze Jews lol.\n\n\nThey are essentially an Islamic Fundamentalist Dictatorship. Their leader threatens to revive the medieval crusades and they are actively seeking to develop nuclear... | [] | [] | [
[],
[]
] | ||
9eo25n | Does a high metabolism increase risk of cancer? | Since a high metabolism gives you higher cell division and cancer happens when cell division has a mistake, logically higher division gives more cell divisions to go wrong? | askscience | https://www.reddit.com/r/askscience/comments/9eo25n/does_a_high_metabolism_increase_risk_of_cancer/ | {
"a_id": [
"e5qv681",
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"score": [
9,
5,
12
],
"text": [
"I was thinking about something similar if anyone has an answer. What about activities that constantly damage the body? For example boxing and always tearing up your knuckles or shaving and always cutti... | [] | [] | [
[],
[],
[
"https://i.imgur.com/z5Lvvip.png",
"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3060950/",
"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3347786/",
"https://en.wikipedia.org/wiki/Peto%27s_paradox",
"https://jamanetwork.com/journals/jama/fullarticle/2456041/?utm_campaign=articlePDF... | |
38oak0 | what is it about guns that makes americans so worried? is it some eventual uprising that will sweep the nation, or what? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/38oak0/eli5_what_is_it_about_guns_that_makes_americans/ | {
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"crwty9p",
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"crwubs9",
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"crwvrar",
"c... | [] | [] | [
[],
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[],
[],
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[],
[],
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"http://en.wikipedia.org/wiki/Gun_violence_in_the_United_States",
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... | ||
bl92uy | why radioactive material is dangerous | Why coming in contact with radioactive material is know to have cause cancer. what kind of changes happens in the body for such a outcome... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bl92uy/eli5_why_radioactive_material_is_dangerous/ | {
"a_id": [
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"score": [
12,
2
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"text": [
"The definition of radioactive refers to the material being unstable at the atomic level and breaking down over time while releasing a spray of energetic subatomic particles. Those particles contain enough energy that they c... | [] | [] | [
[],
[]
] | |
4k6214 | how do elevator logistics work? that is: what happens to an elevator car after it deposits somebody at their floor? does it stay at floor n until called to another, or immediately go back down to floor 1? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4k6214/eli5_how_do_elevator_logistics_work_that_is_what/ | {
"a_id": [
"d3cg1je"
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"score": [
3
],
"text": [
"That totally depends on the traffic pattern and the predictability of the traffic and the smartness in the system.\n\nFor example, in the morning most traffic is from the bottom to somewhere higher. So when the carriage is empty it might go down ... | [] | [] | [
[]
] | ||
p1l3k | Are the hamburgers you get from traditional fast food chains like McDonald's really THAT terrible for you? | askscience | http://www.reddit.com/r/askscience/comments/p1l3k/are_the_hamburgers_you_get_from_traditional_fast/ | {
"a_id": [
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"c3ltaem",
"c3ltbro",
"c3lte43",
"c3ltgf2",
"c3ltl0t",
"c... | [] | [] | [
[
"http://aht.seriouseats.com/archives/2010/10/the-burger-lab-the-myth-of-the-12-year-old-mcdonalds-hamburger.html"
],
[],
[],
[
"http://www.amazon.com/Good-Calories-Bad-Challenging-Conventional/dp/1400040787",
"http://www.imdb.com/title/tt1333994/"
],
[
"http://nutrition.mcdonalds.com/g... | ||
18cx1t | Did unconnected societies like the Spanish, Inca, Aztecs, etc. all independently mine and value gold? | It's known that the Spanish spent plenty of time raiding Mesoamerican gold during the 16th century. Did unconnected societies in different corners of the globe all independently discover, mine, collect, and value gold? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/18cx1t/did_unconnected_societies_like_the_spanish_inca/ | {
"a_id": [
"c8dobvz",
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31,
15
],
"text": [
"Yes - many, many societies, with little or no contact between them, have developed similar reverence and/or senses of value (in the economic sense) for gold. Aside from its shininess and relative rarity, it's also very sof... | [] | [] | [
[
"http://www.stuffyoushouldknow.com/podcasts/gold-works/",
"http://www.howstuffworks.com/gold.htm"
],
[]
] | |
5d5y16 | why is mixing stimulants and depressants bad? | Uppers and downers. Seems a no brainer, but the answers I've been able to find on the web seem a bit unscientific, scaremongering even.
So please tell me why playing hormonal tug of war with your brain is bad. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5d5y16/eli5_why_is_mixing_stimulants_and_depressants_bad/ | {
"a_id": [
"da27b0d"
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"score": [
4
],
"text": [
"Mixing stimulants and depressants isn't inherently bad as long as one is careful with amounts. As they are opposites in terms of their effects on the central nervous system, they tend to cancel each other out.\n\nThe main danger lies in excessive... | [] | [] | [
[]
] | |
422xay | Mechanical traps in ancient temples: did they exist? | Thinking about the use of this common trope in popular culture, I wondered how it originated, if it is somewhat historically reliable. Were mechanical traps such as arrows or sliding doors used to protect ancient temples against looters? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/422xay/mechanical_traps_in_ancient_temples_did_they_exist/ | {
"a_id": [
"cz76j7i"
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"score": [
6
],
"text": [
"There's always room for discussion, but perhaps the section [Were/are there actually tombs filled with deathtraps?](_URL_0_) from our FAQ will answer your inquiry."
]
} | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/wiki/monuments#wiki_were.2Fare_there_actually_tombs_filled_with_deathtraps.3F"
]
] | |
56o9f9 | Why are oxidized compounds typically in a lower energy state? | When methane is oxidized into co2, it releases a large amount of heat. This implies that the total heat of formation of co2 and water is significantly lower than that of methane. Why is this the case? | askscience | https://www.reddit.com/r/askscience/comments/56o9f9/why_are_oxidized_compounds_typically_in_a_lower/ | {
"a_id": [
"d8lm60l"
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"score": [
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"text": [
"Oxygen is a high energy unstable molecule. When it forms bonds with other elements energy is given off. Note So CH4 goes to CO2 + 2H2O. 4 stable C-H bonds + 2 moderately stable O-O bonds turn into 2 very stable C=O bonds + 4 stable H-O bonds - ne... | [] | [] | [
[]
] | |
3nyvxw | if bleach is meant to keep clothes white, why does it stain dark clothes randomly instead of altering the entire garment to a lighter shade? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3nyvxw/eli5_if_bleach_is_meant_to_keep_clothes_white_why/ | {
"a_id": [
"cvsgmah"
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"score": [
4
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"text": [
"Bleach works by breaking certain chemical bonds.\n\nWhen these bonds are present, you can see your stains. After you break them, the stains end up only reflecting a wavelength you can't see.\n\nBleach doesn't eliminate stains, it makes them invis... | [] | [] | [
[]
] | ||
5zjphx | Battle of Cannae research help | Hi all, I'm doing a research question on the battle of Cannae and whether or not after the battle should Hannibal have marched for Rome. I do have some idea of what happened during and after the battle which would help my arguments but do you guys have any other advice of what to do?
heres what i know (pretty sure i k... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5zjphx/battle_of_cannae_research_help/ | {
"a_id": [
"deytpvq"
],
"score": [
2
],
"text": [
"Reading Adrian Goldsworthy's *Cannae* is your best bet imo."
]
} | [] | [] | [
[]
] | |
7r6qve | Why do "Y" chromosomes only have 3 chromatids? | I was in Biology class when I asked this question, but the teacher wouldn't answer it, she only said we would learn about it in the next unit. So if someone could answer this that would be nice. | askscience | https://www.reddit.com/r/askscience/comments/7r6qve/why_do_y_chromosomes_only_have_3_chromatids/ | {
"a_id": [
"dsur4ub"
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99
],
"text": [
"They don't. When replicated, they have two chromatids (and four branches) just like every other chromosome in your cells. Because two of the branches are very short, they can lie next to each other, creating the appearance of a Y under a microsc... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Y_chromosome"
]
] | |
17vzn7 | What is the significance of finding King Richard III's remains? | It's a pretty cool achievement but what's really the point? It seems like a lot of people put a lot of effort into finding his remains but what does it really tell us other than that he had scoliosis? Are there any unanswered questions that his remains could help answer? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/17vzn7/what_is_the_significance_of_finding_king_richard/ | {
"a_id": [
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"According to BBC radio 4, none beyond confirming he had scoliosis ",
"More than anything, it's the significance of the archaeological find - essentially the last medieval king of England, killed on... | [] | [] | [
[],
[],
[
"http://www.reddit.com/r/AskHistorians/comments/17wa97/everyones_interested_in_king_richard_iii_find_all/"
]
] | |
4vsq18 | why aren't short answers to eli5 questions allowed? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4vsq18/eli5_why_arent_short_answers_to_eli5_questions/ | {
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"From the sidebar:\n\n > E is for Explain - merely answering a question is not enough.\n\nThat's the entire point of the sub -- not to give an answer, but an explanation. The idea is not just to answer \"what\", but \"why\" ... | [] | [] | [
[],
[]
] | ||
365vgm | in a collision, why does it seem like the impaired driver has a higher chance of surviving it than the innocent driver? | Here are some local examples of what I'm talking about; in all three cases, the impaired driver walks away (or has minor injuries) while the innocent driver dies.
[Link 1](_URL_2_)
[Link 2](_URL_1_)
[Link 3](_URL_0_) | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/365vgm/eli5_in_a_collision_why_does_it_seem_like_the/ | {
"a_id": [
"crb0bs2",
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"text": [
"They don't. Several studies have shown that drunk drivers are more likely to be injured or killed when involved in an accident than sober ones. It's a pervasive myth that the opposite is true for some reason, and people ha... | [] | [
"http://toronto.ctvnews.ca/one-dead-after-wrong-way-driver-crashes-on-hwy-403-1.2377238",
"http://www.cbc.ca/news/canada/toronto/westbound-hwy-401-near-whitby-reopened-after-fatal-crash-1.2944332",
"http://www.cbc.ca/news/canada/hamilton/news/man-charged-with-drunk-driving-causing-death-after-qew-crash-1.280708... | [
[],
[]
] | |
242qu0 | I get the magnus effect. But how does this guy get the soccer ball to change direction twice? | _URL_0_
I asked the question on the originating page, and a commenter suggested that the ball flips. But wouldn't gyroscopic forces keep the axis of rotation fixed?
Edit: repeated viewings appear that the ball has no spin, giving it a knuckleball effect.
Edit: There is no spin on the ball, clearly this is not a the ... | askscience | http://www.reddit.com/r/askscience/comments/242qu0/i_get_the_magnus_effect_but_how_does_this_guy_get/ | {
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"text": [
"Can we rule out wind as the cause?\n\nEdit: on further viewings, wind seems very likely to be the cause. The ball seems to have a... | [] | [
"http://i.imgur.com/MIev8C0.gif"
] | [
[],
[
"https://mfix.netl.doe.gov/results/Cartesian_Grid/Vortex_Shedding/CYL_Re=200.gif",
"http://www.reddit.com/r/askscience/comments/242qu0/i_get_the_magnus_effect_but_how_does_this_guy_get/ch35gjr"
],
[
"https://www.youtube.com/watch?v=Or-AaJ2Alzs"
],
[
"https://www.youtube.com/watch?v=i... | |
bm6jnm | Do galaxies have clearly defined borders, or do they just kind of bleed into each other? | askscience | https://www.reddit.com/r/askscience/comments/bm6jnm/do_galaxies_have_clearly_defined_borders_or_do/ | {
"a_id": [
"emu8ec8",
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"emv96k6",
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"emwjhi6",
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"emx6kxa",
"emygmsy"
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"score": [
8379,
182,
... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[],
[],
[
"https://daily.zooniverse.org/tag/amazing-galaxy-of-the-week/",
"https://dailyzooniverse.files.wordpress.com/2016/09/56f3de535925d90042033d7f.jpeg",
"https://www.zooniverse.org/projects/zookeeper/galaxy-zoo/classify",
"https://panoptes-uploads.... | ||
9uezw4 | Were Stories Like The Iliad and The Odyssey Still Told in Greece in the Middle Ages? | I'm wondering if those ancient stories were still told in the land where they originated into the Middle Ages, or if they fell out of favor or were suppressed by the Christian Byzantines. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/9uezw4/were_stories_like_the_iliad_and_the_odyssey_still/ | {
"a_id": [
"e94xq1j"
],
"score": [
2
],
"text": [
"According to Judith Herrin’s Byzantium and Lost to the West, both epics alongside many other examples of Greek literature was studied and told throughout the Middle Ages. While it mainly concentrated around the educated in Constantinople and Myst... | [] | [] | [
[]
] | |
8yt4a7 | why is the "world's first ever color x-ray performed on human body" important or interesting when we already have mri? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8yt4a7/eli5_why_is_the_worlds_first_ever_color_xray/ | {
"a_id": [
"e2dgrn1",
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"score": [
2,
2
],
"text": [
"Can you link to the article you're referencing?",
"Medical imaging is fascinating. There are a variety of different techniques, each with their own unique limitations and benefits. Ultrasound, for instance, is pretty che... | [] | [] | [
[],
[]
] | ||
40o0h5 | how are curse words bleeped out on live television broadcasts? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/40o0h5/eli5_how_are_curse_words_bleeped_out_on_live/ | {
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"cyvo83p",
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"text": [
"They aren't, if they are bleeped out then the \"live\" broadcast is on a few second tape-delay for exactly this purpose, to bleep things out before they reach air. ",
"There i... | [] | [] | [
[],
[],
[],
[]
] | ||
zg7n9 | How much electricity would be created per day if every Walmart and Home Depot in America covered their roof with solar panels? | askscience | http://www.reddit.com/r/askscience/comments/zg7n9/how_much_electricity_would_be_created_per_day_if/ | {
"a_id": [
"c64amqx",
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"c64eohg",
"c64fhe7",
"c64frcd",
"c64fvho",
"c64gk3d",
"c... | [] | [] | [
[],
[],
[],
[
"http://news.walmart.com/news-archive/2005/01/07/some-facts-about-wal-marts-energy-conservation-measures"
],
[],
[],
[],
[],
[],
[],
[
"http://www.ikea.com/ms/en_US/about_ikea/our_responsibility/index.html"
],
[
"http://imgur.com/T2EdT"
],
[],
[],
[],
[]... | ||
40ble7 | how do ebay auctions benefit buyers/sellers as opposed to buyitnow? | I have never had any good experience with auctions as a buyer, you don't know if the price will be less than other instant options, you have to waste a few days waiting for the auction to end only to have last minute bidders take it away from you and the price ending up being almost exactly as much (if not more) than t... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/40ble7/eli5_how_do_ebay_auctions_benefit_buyerssellers/ | {
"a_id": [
"cyswrlz"
],
"score": [
2
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"text": [
"You can get a better deal buying with an auction but it takes like 10 tries. I've won GTA V for like $12 and COD BOII for like $8, but then sometimes the seller sends you some bullshit about \"sorry, I lost the game, my bad\" and you have to star... | [] | [] | [
[]
] | |
1ue4zf | why are phones so much more expensive than other mobile technology??? | I mean really, without a new plan, the Galaxy S4 can run around 700 usd, meanwhile, a laptop can go for as cheap as 300 usd. Is it because they don't really cost that much (and the carrier is still profiting on the discounted price) or is the tech more 3G/4G connectivity that much? Can't you get it on the PS Vita for l... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ue4zf/why_are_phones_so_much_more_expensive_than_other/ | {
"a_id": [
"ceh4zvg"
],
"score": [
6
],
"text": [
"Miniaturization. It's the same reason laptops are more expensive than desktops. It's pricier to make things smaller.\n\nTo a lesser extent, Steve Jobs set the price of the first iPhone based almost purely on his gut feel of what people would pay.... | [] | [] | [
[]
] | |
1hcok2 | Can you detect many chemicals, mixed together, below their odor detection level? | If you have a single chemical, you can only detect it if it is above a certain concentration. What if you have 10 chemicals that are at 50% of their minimum detection concentration, mixed together in a solution? Do you detect a sensation that is in between the 10 chemicals? Or nothing? Or something else? | askscience | http://www.reddit.com/r/askscience/comments/1hcok2/can_you_detect_many_chemicals_mixed_together/ | {
"a_id": [
"cat9zph"
],
"score": [
2
],
"text": [
"There are many possibilities. \n\nIf the mixed chemicals remain completely distinct and do not interact or change in any way within the mixture, they will all remain undetectable. \n\nIf the chemicals DO react with each other, than they could pro... | [] | [] | [
[]
] | |
9ktq1f | The use of theory within history essays |
Hi all. I'm doing a Masters degree in history at a good British university. I took quite a gap (three years) between my under grad and this post grad degree. I'm actually in the second year of a one year degree as I missed most of my classes and was unable to complete the degree due to illness. I'm also likely going... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/9ktq1f/the_use_of_theory_within_history_essays/ | {
"a_id": [
"e71pqtu",
"e71u0yl"
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"score": [
2,
5
],
"text": [
"Do they specifically mention theory or do they say historiography? If the latter then it's possible that they're referring to the more specific meaning of the term. While historiography does mean theory in general, when peop... | [] | [] | [
[],
[]
] | |
3jrkzs | why do we 'need' money/funding to do things like cure cancer or find alternative fuel sources or explore space? | If money is a completely human concept why can't we just apply the resources and solve the issue as a whole? It seems funding is just counter productive if we already technically have what we need to do it. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3jrkzs/eli5_why_do_we_need_moneyfunding_to_do_things/ | {
"a_id": [
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2,
2
],
"text": [
"So, join the effort to cure cancer. Dedicate the next 30 years of your life to it. You won't get any paychecks.\n\nWhat? Not interested? Well, neither is any... | [] | [] | [
[],
[],
[],
[],
[]
] | |
4oih78 | what are securities in a financial sense? | I feel stupid but none of the explanations I find online really explain it for me. They just start throwing terms about investments and bonds that I don't understand. Help me, /r/ELI5, you're my only hope. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4oih78/eli5_what_are_securities_in_a_financial_sense/ | {
"a_id": [
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"text": [
"There is a metric fuckton of types of securities these days. Following statement is oversimplification and may not be true for every type.\n\nBasically securities are value (money) that is engaged in so... | [] | [] | [
[],
[],
[]
] | |
1erye3 | When did brides start to dress in white for their mariage? | Was it a heathen tradition, or maby from medieval christianity?
What was the symbolic significance for the originators? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1erye3/when_did_brides_start_to_dress_in_white_for_their/ | {
"a_id": [
"ca371jr"
],
"score": [
5
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"text": [
"The fashion is much later than that, it was started by Queen Victoria, who wore a white wedding dress because it was her favorite color, then fashionistas copied her and it's just stuck around. It was an unusual choice at the time, bright, happy ... | [] | [] | [
[
"http://www.washingtonpost.com/blogs/royal-wedding-watch/post/queen-victoria-was-the-first-to-get-married-in-white/2011/04/29/AFIYPmDF_blog.html"
]
] | |
tysbg | if multiple countries economic systems collapse... | ...couldn't we start a new economy at $¥€0. In other words would debt really even need to be repayed? Is it possible that everyone, excluding the richest countries, could create a new financial system. Obviously we'd have to start over without most electronic technology as trading with richer countries would cease. Eve... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/tysbg/if_multiple_countries_economic_systems_collapse/ | {
"a_id": [
"c4quxpf"
],
"score": [
2
],
"text": [
"What about the people who don't produce food? They're all going to starve while you get the economy started back up."
]
} | [] | [] | [
[]
] | |
2vuswd | why has california not legalized pot beyond medicinal use? | I am a California resident constantly hearing about our debt and budget cuts while paying a high amount of taxes. Knowing the amount of tax money pot has given Colorado, I just don't understand why California hasn't legalized. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2vuswd/eli5_why_has_california_not_legalized_pot_beyond/ | {
"a_id": [
"col4310",
"col7oaj"
],
"score": [
8,
2
],
"text": [
"Some of the most well funded anti-legalization lobbies in the state are sponsored by the legal dispensaries and co-ops. They would hate to have inexpensive, high-quality, locally and responsibly sourced cannabis flood the ma... | [] | [] | [
[],
[]
] | |
9a3ncp | How much does the earth need to move to/from the sun in order for life to end? | Asked by my 8 year old daughter. | askscience | https://www.reddit.com/r/askscience/comments/9a3ncp/how_much_does_the_earth_need_to_move_tofrom_the/ | {
"a_id": [
"e4ug865",
"e4ugi9k"
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"score": [
5,
9
],
"text": [
"Earth's orbit could decrease by 4,500,000 miles or increase by 34,000,000 miles and still be in the habitable zone. Which is the area in which water can exist as a liquid.\n\nNow there would be massive climate changes in th... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Circumstellar_habitable_zone"
]
] | |
5ccdyq | why are the search results when googling an unknown phone number so terrible? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ccdyq/eli5_why_are_the_search_results_when_googling_an/ | {
"a_id": [
"d9vfp3k"
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"score": [
7
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"text": [
"I actually think google intentionally obfuscates results. Back in the day, googling phone numbers worked *awesome*. It was one of the first \"best answer\" things at the top of the page. \n\nQuite suddenly it stopped working. "
]
} | [] | [] | [
[]
] | ||
bpu0mb | if christian churches are non-profit / not-for-profit, how do full-time pastors/reverends earn a salary? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bpu0mb/eli5_if_christian_churches_are_nonprofit/ | {
"a_id": [
"enxcu8y"
],
"score": [
2
],
"text": [
"Paying your employees isn't profit. The pastor/reverend is an employee of the church.\n\nI can answer the question in one sentence so technically it doesn't belong here. \n\nAlso, all churches/temples/mosques/synagogues are like this. Christian c... | [] | [] | [
[]
] | ||
2hy5nu | What did Gorbachev envision as the ultimate endgame of perestroika? | Perestroika barely got underway before the USSR collapsed, so I'm wondering what was Gorbachev planning to do if collapse had been averted? Just how much privatization was he willing to allow? Did he think of his plans as still being essentially socialist and why? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2hy5nu/what_did_gorbachev_envision_as_the_ultimate/ | {
"a_id": [
"ckxdp6d"
],
"score": [
6
],
"text": [
"This is a very complicated question, and one that is very much open for interpretation, but I'll take a stab at it and hopefully fill in some holes. \n\nWhen Gorbachev came to power, the USSR was in a dire decline. The economy was stagnant, the ... | [] | [] | [
[
"https://www.youtube.com/watch?v=fgm14D1jHUw"
]
] | |
5idktx | Did two-headed axes historically exist and were used? | I'm talking about [THESE BAD BOYS](_URL_0_).
They are so... unweildy. Wouldn't the weight balancing be absolute garbage? And why would you have two heads in the first place? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5idktx/did_twoheaded_axes_historically_exist_and_were/ | {
"a_id": [
"db7k1og"
],
"score": [
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"text": [
"They did but not in the way you think. \n\nThe double headed axe comes from a Minoan object, the Labrys, and as best we can tell it was a religious or symbolic item. Employing a double headed axe on a battle field isn't the best idea, because the... | [] | [
"http://www.buyingasword.com/images/Product/large/CL-194.png"
] | [
[]
] | |
37w98d | What is left after DNA degrades? | Most people who wanted Jurassic Park to one day be a reality know now that DNA has a relatively short half life. What is left over after degradation? Would there be biochemical clues as to how it perhaps once was compiled in the residue? | askscience | http://www.reddit.com/r/askscience/comments/37w98d/what_is_left_after_dna_degrades/ | {
"a_id": [
"crqnbrg",
"crqwr7d"
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"score": [
2,
2
],
"text": [
"Lots of things happen to DNA as it degrades. The DNA shears (the two strands of the double helix come apart, and the resulting single strands and double strands also get chopped up by mechanical shearing), mutations accrue o... | [] | [] | [
[],
[
"http://rspb.royalsocietypublishing.org/content/early/2012/10/05/rspb.2012.1745"
]
] | |
lnl6r | Tiny patches of gray hair started growing on my head; why? | When I was about 14, I found that there are a couple spots on my head where my hair grows gray. These didn't show up until high school.
The hairs are few in number, 10 to 15 at the most, and disappear from time to time. They all seem to sprout more or less from the same spot on my head, no bigger than a pencil eraser.... | askscience | http://www.reddit.com/r/askscience/comments/lnl6r/tiny_patches_of_gray_hair_started_growing_on_my/ | {
"a_id": [
"c2u7h4l",
"c2u7h4l"
],
"score": [
2,
2
],
"text": [
"The fact they show up in the same spot all the time is common. In your skin at the root of your hair, cells that produce your hair remain embedded. These cells usually never die (unless you go bald, are burned there, or elec... | [] | [] | [
[],
[]
] | |
bh1jvq | why would a ball stop bouncing on the ground | If you drop a ping pong ball on the floor, it will bounce smaller and smaller but eventually stop. Why doesn’t continue to bounce but just at a continuously smaller height. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bh1jvq/eli5_why_would_a_ball_stop_bouncing_on_the_ground/ | {
"a_id": [
"elp7wlt",
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"score": [
4,
9
],
"text": [
"Lots of reasons. For one, there’s friction introduced from the air that is an additional force slowing it down. Another is that whatever ball you use will deform slightly every time it’s dropped, absorbing some of the energy... | [] | [] | [
[],
[]
] | |
duv91c | How do you measure carbon dioxide in old ice? | How does the scientist calculate how much atmospheric carbon dioxide was at the time of the ice freezing? I am really impressed I don’t even know how much carbon dioxide I can put in when making beer. It is so sensitive at temperature and somewhat of weather too. And still scientist can guess levels in atmosphere for t... | askscience | https://www.reddit.com/r/askscience/comments/duv91c/how_do_you_measure_carbon_dioxide_in_old_ice/ | {
"a_id": [
"f7cp92w"
],
"score": [
8
],
"text": [
"The ice [contains tiny air bubbles](_URL_0_) where samples of atmosphere at the time of freezing are trapped. This gas is extracted and usually analysed with gas chromatography."
]
} | [] | [] | [
[
"http://www.antarcticglaciers.org/glaciers-and-climate/ice-cores/ice-core-basics/"
]
] | |
1ong23 | squareroot of a number? | i can only guess/ try and fail til i find an answer without a calculator. but the calculator must have an algorithm that i follows how does this algorithm go? | askscience | http://www.reddit.com/r/askscience/comments/1ong23/squareroot_of_a_number/ | {
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"cctp1d0",
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"score": [
5,
3,
10,
5
],
"text": [
"I believe calculators use the [binomial expansion](_URL_0_) to estimate the answer. For example, say you want to find the square root of 66. You can first realize that it is close... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Binomial_series"
],
[],
[
"http://www.reddit.com/r/askscience/comments/1m91ak/how_do_calculators_compute_fractional_exponents/"
],
[]
] | |
e5k92i | How is feline leukemia contagious but human leukemia isnt? | I recently learned that feline leukemia is contagious but can't figure out what makes it contagious when the human version isnt. | askscience | https://www.reddit.com/r/askscience/comments/e5k92i/how_is_feline_leukemia_contagious_but_human/ | {
"a_id": [
"f9kabd7",
"f9kanvi"
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"score": [
40,
4
],
"text": [
"It sounds like you're thinking of feline leukemia virus, which is a virus that causes leukemia. As a general rule, cancers including leukemias are not contagious, but if they are caused by a contagious virus, cases of cance... | [] | [] | [
[],
[]
] | |
6zo8ye | Why did Germany continue its aggressive foreign policy after Britain joined the Triple Entente? | I mean, Germany's fear of becoming militarily surrounded was now fulfilled. Why would they continue such an aggressive foreign policy, when tensions were so high? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6zo8ye/why_did_germany_continue_its_aggressive_foreign/ | {
"a_id": [
"dmxike5"
],
"score": [
2
],
"text": [
"Germany was in the Triple Alliance to counter it with Austria-Hungary and Italy. Germany was ambitiously trying to be a colonial power and needed to counter British control of world trade and sea lanes. With the second reich, Germany now being un... | [] | [] | [
[]
] | |
nilni | For lithium ion batteries, is it better to keep it fully charged or let it deplete and recharge? | For example, if my laptop or phone is at 100%, is it better to keep the power cord connected and keep it at 100%, or let it run on battery, then recharge once it depletes?
Edit: Thanks for the answers guys! I'll keep this information in mind. | askscience | http://www.reddit.com/r/askscience/comments/nilni/for_lithium_ion_batteries_is_it_better_to_keep_it/ | {
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"Technically, its better to never have it fully charged or fully depleted. Its best to have i... | [] | [] | [
[],
[],
[],
[
"http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries"
],
[],
[],
[],
[
"http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries"
]
] | |
3bvvc7 | When I hear a sound, what kind of information is sent to my brain? | I understand that, of course, nerves carry information from the inner ear to the brain via electrical potential impulses, but what kind of information is carried? Is it the waveform or something like the Fourier transform of the sound (information about waves of different frequency), or is the information more abstract... | askscience | http://www.reddit.com/r/askscience/comments/3bvvc7/when_i_hear_a_sound_what_kind_of_information_is/ | {
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"score": [
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"text": [
"It is something like the Fourier transform of the sound. The [inner ear](_URL_0_) and in particular the [cochlea](_URL_16_) has a fascinating organization that allows the brain to breakup the incoming signal into its frequency components.\n\nHere... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Inner_ear",
"http://www.nature.com/nrm/journal/v10/n1/images/nrm2595-f4.jpg",
"http://www.fgcsic.es/lychnos/uploadFCK/oido_01_eng.jpg",
"https://en.wikipedia.org/wiki/Tectorial_membrane",
"http://www.nature.com/nrg/journal/v5/n7/images/nrg1377-f4.jpg",
"http:... | |
16yn2j | Why do some geographically isolated islands produce more biodiversity than others? | Some famous "natural laboratories of evolution" like Hawaii and Galapagos are (were) home to many unique species. I get that these are tropical places and that explains some biodiversity, but why don't other islands (both more and less remote than Hawaii or Galapagos) have at least a sizable fraction of the biodiversit... | askscience | http://www.reddit.com/r/askscience/comments/16yn2j/why_do_some_geographically_isolated_islands/ | {
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"text": [
"There are a lot of factors, such as ease of colonization (distance from mainland, ocean currents), amount of sunlight (latitude), size of the island, age of the island (state of ecological succession), and rainfall. Also, do a search for Island ... | [] | [] | [
[
"http://www.stanford.edu/group/stanfordbirds/text/essays/Island_Biogeography.html"
]
] | |
709qfx | Why exactly did the gunpowder to cannonball weight ratio in cannons drop by the 18th century? | So, in some works i was browsing recently i found references to 17th century works showing preferred shot-powder ratios for cannons. Here is an one [image](_URL_2_) (for ants) of a table showing it, but there are [other](_URL_1_) instances where you can find similar tables and ratio values.
It seems the weight ratio o... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/709qfx/why_exactly_did_the_gunpowder_to_cannonball/ | {
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47,
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"text": [
"TL;DR: Improvements in metallurgy, allowing for smaller grain sizes and higher chamber pressures, along with various other improvements that increased the ballistic efficiency of guns and allowed less... | [] | [
"http://www.houseoftheorangemonkey.co.uk/monkey/trips/trip1461615.htm",
"https://books.google.hr/books?id=TnpmAAAAcAAJ&pg=PA43&lpg=PA43#v=onepage&q&f=false",
"https://4.bp.blogspot.com/-NFaFsMgEg4A/V4q9nrYXwxI/AAAAAAAADVo/JVbKO0AJgA0LT0nqWdK29bxjJHMu77APQCLcB/s1600/cannon-types.JPG",
"https://... | [
[
"https://upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Bombard-MortarOfTheKnightsOfSaintJohnOfJerusalemRhodes1480-1500.jpg/1024px-Bombard-MortarOfTheKnightsOfSaintJohnOfJerusalemRhodes1480-1500.jpg"
],
[
"https://upload.wikimedia.org/wikipedia/commons/thumb/2/2c/Bombard-MortarOfTheKnightsOfSaintJo... | |
1nftv2 | people getting red light camera/speed camera tickets | OK, I understand how the cameras work, and the hypothetical reason behind them. The part I don't understand is the legal situation following issuance of the ticket. If someone contests the ticket in court and simply says "I was not the person driving the car", isn't it incumbent upon the state to prove you were? If ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1nftv2/eli5_people_getting_red_light_cameraspeed_camera/ | {
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"Depending on your jurisdiction they can just say \"Your vehicle, your responsibility. Don't ... | [] | [] | [
[],
[],
[],
[],
[],
[],
[],
[
"http://caselaw.findlaw.com/us-7th-circuit/1118906.html",
"http://m.autos.aol.com/article/monkey-man-speeding-camera/"
]
] |
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