q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
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1xzib1 | how do scientists/anthropologists explain the seemingly quick ascent of the human species? | The wheel was created around 3500 BCE and within roughly 5000 years, humans have been to the moon. What is the explanation for such quick progress in a species? Dinosaurs were around for millions of years and never accomplished even a fraction of the technological progress as we have. I have heard that opposable thu... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1xzib1/eli5_how_do_scientistsanthropologists_explain_the/ | {
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"[Punctuated Equilibrium, my man. Evolution of species or ideas shouldn't be be viewed as a gradual and constant change but as a series of leaps and bounds interspersed with periods of stability.](_URL_0_)",
"Am I the onl... | [] | [
"https://en.wikipedia.org/wiki/Kardashev_scale#Type_I"
] | [
[
"http://en.wikipedia.org/wiki/Punctuated_equilibrium"
],
[]
] | |
3ow34m | Is it possible to tack into the solar wind the same way we can sail into the wind on earth? | askscience | https://www.reddit.com/r/askscience/comments/3ow34m/is_it_possible_to_tack_into_the_solar_wind_the/ | {
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"If you mean sailing in the opposite direction as the wind (i.e. to the Sun) then yes, it is possible, though not in the same way nor for the same reasons. Orbital dynamics are crazy and amazing :)\n\nYou can use [radiation pressure](_URL_0_) with... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Radiation_pressure",
"https://en.wikipedia.org/wiki/Electric_sail"
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2u1fvs | why do boobs in classical artworks look so different from those sported by today's models? [nsfw] | I've always wondered about this. Did Titian, Rubens and the like have different ideas about how nice boobs were supposed to look? Were they going for some "classical ideal" of nice boobs, and if so, what was it? I've read that beauty comes from an evolutionary instinct towards healthy, child-bearing figures, so surely ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2u1fvs/eli5_why_do_boobs_in_classical_artworks_look_so/ | {
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"text": [
"The models have all had surgery, or are naturally big-breasted. \n\nIn antiquity, it was considered more attractive to have smaller breasts, so the artists chose smaller-breasted women.",
"I'm sure ... | [] | [
"http://upload.wikimedia.org/wikipedia/commons/7/74/Maja_desnuda_%28museo_del_Prado%29.jpg",
"http://imgur.com/r/Page3Glamour/EOAW9G1",
"http://upload.wikimedia.org/wikipedia/commons/b/bb/Tiziano_-_Venere_di_Urbino_-_Google_Art_Project.jpg",
"http://i.dailymail.co.uk/i/pix/2011/10/18/article-2050520-0E6D16CB0... | [
[],
[],
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] | |
3jqs5y | why was the race to the moon more important than the race to the first man in space? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3jqs5y/eli5_why_was_the_race_to_the_moon_more_important/ | {
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"They know him in Russia. \n\nBecause the Soviets sent a man into space first, the achievement was downplayed in the West, and then the Moon Race was really hyped up to compensate. ",
" \"It remind... | [] | [] | [
[],
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1z2qtn | how was the bureau of census measuring population before sampling? | I'm currently reading about Dr Deming's early work at the Bureau of Census and it says
> many of the users of census data were willing to accept sample results, but some of the old-timers at the Bureau of the Census were opposed to the idea of sampling
I'm new to this section of history. I may guess they were me... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1z2qtn/eli5_how_was_the_bureau_of_census_measuring/ | {
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"text": [
"The census counts every person, or at least tries to, every ten years.\n\nHe is talking about people using the data collected - some of them insisted on using everything which, before modern computers could be a monumental task."
]
} | [] | [] | [
[]
] | |
dh60c4 | how is airport security regulated and kept consistent around the world |
Like do all the countries agree on regulations somehow, or could you theoretically get away with something by boarding a plane with something in one country and connecting to a different country. (I’ve never flown international so idk anything) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dh60c4/eli5_how_is_airport_security_regulated_and_kept/ | {
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"No, it’s highly inconsistent from country to country.\n\nUS is the worst for sure, I hate travelling there. Its the only place they make us remove your shoes.\n\nAtm im in Nepal, and they only pass your luggage in a scanner,... | [] | [] | [
[],
[]
] | |
6eawqj | What happens to the parts of the brain which control amputated body parts? | askscience | https://www.reddit.com/r/askscience/comments/6eawqj/what_happens_to_the_parts_of_the_brain_which/ | {
"a_id": [
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"score": [
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"text": [
"Op, the brain will began to adapt new brain cells to communicate with it, whatever is near in the somatosensory cotrex, that means if you cut off a finger the section of brain that used to respond to that will begin strengt... | [] | [] | [
[],
[]
] | ||
3rf3qu | what is the benefit of a water-cooled pc? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3rf3qu/eli5_what_is_the_benefit_of_a_watercooled_pc/ | {
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"text": [
"Generally superior cooling due to both heat absorption of liquid and a lack of stale warm air in the case. \n\nAlso quieter ",
"Water cooling is more effi... | [] | [] | [
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1r7qm7 | why group mentality is so powerful | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1r7qm7/eli5_why_group_mentality_is_so_powerful/ | {
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"text": [
"Human nature to belong and conform to social groups, empathy, and natural fear of exclusion.\n\nIt's kind of instinctual, that's why the weak minded are susceptible to group mentality. Case in point: Reddit."
]
} | [] | [] | [
[]
] | ||
49av6o | Are protons in nuclei wiggled by electrons "flying" around them? | Protons and electrons attract each other. And I hear that an electron is like wave around the nucleus. Waves oscillate so they should shake the proton. | askscience | https://www.reddit.com/r/askscience/comments/49av6o/are_protons_in_nuclei_wiggled_by_electrons_flying/ | {
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"text": [
"This is better answered by answering each sub-question.\n\n > Are protons in nuclei wiggled by electrons \"flying\" around them?\n\nYes, in the system both motions contribute to the actual state. But, the nucleus is very mu... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Exchange_interaction",
"http://wps.prenhall.com/wps/media/objects/3081/3155040/blb0606/6.20.gif"
],
[]
] | |
3q4huh | how is the milk of a cow so beneficial to humans? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3q4huh/eli5_how_is_the_milk_of_a_cow_so_beneficial_to/ | {
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"Because it contains fats, proteins, and sugars, making it a very energy-packed beverage. Now granted, if you're lactose intolerant than you don't make the necessary enzyme to make use of the sugars, lac... | [] | [] | [
[],
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cl55sk | Was the Indo-Aryan migration truth or fiction? | In most Indian schools, students are taught Indian history (and world history to a certain degree) as a compulsory subject until the 8th grade. In the 5th grade I remember being taught about the Vedic period in India brought on by the Aryan tribe who had begun settling in the subcontinent after the Indus Valley Civilis... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/cl55sk/was_the_indoaryan_migration_truth_or_fiction/ | {
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"text": [
"The Indo-Aryan migration is absolutely true, insofar as Indo-Aryan - a branch of the Indo-Iranian language family, which itself is a branch of the Indo-European family, which originated somewhere in the Pontic Steppe (around modern Ukraine, Crim... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Dravidian_languages",
"https://en.wikipedia.org/wiki/Yamnaya_culture",
"https://en.wikipedia.org/wiki/Munda_languages",
"https://en.wikipedia.org/wiki/Comparative_method",
"https://en.wikipedia.org/wiki/Indo-Aryan_migration"
]
] | |
1p4cai | If photons are smaller than atoms, why don't they pass through solid matter? | Aren't atom's mostly empty space, between the nucleus and the electrons? Shouldn't photons pass through those spaces and penetrate basically any form of matter? | askscience | http://www.reddit.com/r/askscience/comments/1p4cai/if_photons_are_smaller_than_atoms_why_dont_they/ | {
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"The closest thing to \"size\" for a photon is its wavelength. Diffe... | [] | [] | [
[],
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"http://www.futuretg.com/FTHumanEvolutionCourse/FTFreeLearningKits/01-MA-Mathematics,%20Economics%20and%20Preparation%20for%20University/001-MA01-HI00-High%20School%20Mathematics,%20Preparation%20and%20Recreational%20Science/13%20-%20Recreational%20Science/Richard%20Feynman... | |
5kbm2n | Did the concept of mutually assured destruction prevent the Cold War from going hot? | I understand the idea of MAD, but would the USSR really be willing to engage in all out war with NATO without nuclear weapons? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5kbm2n/did_the_concept_of_mutually_assured_destruction/ | {
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"text": [
"We really can't know the answer to complex hypotheticals like that. Smaller \"What ifs\" can sometimes be productive. But \"what if the strategic situation of the world was totally different?\" isn't something that historians can readily answer.\... | [] | [] | [
[]
] | |
12iqdn | How does pollution from mostly unregulated countries like China affect the rest of the world? | For example, if most of the western world attempts to curb the amount of pollution it produces, does China's disregard affect these nations? Is there anything the rest of the world can do about it? | askscience | http://www.reddit.com/r/askscience/comments/12iqdn/how_does_pollution_from_mostly_unregulated/ | {
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"text": [
"Long-range transport of air pollutants, including metals and pops, and is well-documented with ongoing research. While your last question seems mostly policy related, a large proportion of, but not all, nations decreasing use/production/emission... | [] | [] | [
[]
] | |
ckjlo7 | Do I weigh less at midday than at midnight? | Does having the sun directly overhead make any difference to an objects mass on earth? | askscience | https://www.reddit.com/r/askscience/comments/ckjlo7/do_i_weigh_less_at_midday_than_at_midnight/ | {
"a_id": [
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"text": [
"A point of clarification: Mass is how much matter makes something up, so it won't change mass.\n\nThe position of the sun will change your weight, but only very, very slightly. It's only a very small fraction of the influenc... | [] | [] | [
[
"https://van.physics.illinois.edu/qa/listing.php?id=30395&t=effect-of-sun-and-moon-on-ones-weight-during-the-day"
],
[]
] | |
5ec1tu | why does standing on a train tire me out? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5ec1tu/eli5_why_does_standing_on_a_train_tire_me_out/ | {
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"It's the same thing as being in a car for an extended period of time.\n\nWhile you aren't really making a lot of *big* movements, you are making a *very very large amount* of *tiny* movements. Every second you're adjusting, ... | [] | [] | [
[],
[]
] | ||
22cjj1 | When a star collapses into a black hole, does the density of the singularity continue to increase forever? | From what I understand, once the star exceeds the electron degeneracy pressure, there's no known force in the Universe that will prevent the star from not only collapsing but to *continue* collapsing. That being said, is the density of the singularity of Sagittarius A* higher than it was, say, yesterday morning if we h... | askscience | http://www.reddit.com/r/askscience/comments/22cjj1/when_a_star_collapses_into_a_black_hole_does_the/ | {
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"text": [
"It doesn't really make sense to consider the density of the singularity. You can consider the mean density of the entire black hole within the event horizon, which actually decreases as the black hole gets bigger. If you tr... | [] | [] | [
[],
[]
] | |
xk1p5 | LEDs vs Normal Bulbs - Environmental Impact Outweighs Benefits? | Hey,
So recently P-brand started to sell LED based lamps that can be screwed into the normal sockets, so even though it's still much more expensive than 'traditional' bulbs, it's not prohibitively so. In my view, the first real affordable LED solution for the everyday people.
I was talking about this with a friend, j... | askscience | http://www.reddit.com/r/askscience/comments/xk1p5/leds_vs_normal_bulbs_environmental_impact/ | {
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"text": [
"I work with LEDs all the time. If you live in the US, the \"Prius Conundrum\" could be applied to any imported product.\n\nAs far as [luminous efficacy](_URL_5_), the LED lights that you can buy *right now* at Home Depot etc are about the same as... | [] | [] | [
[
"http://www.philipslumileds.com/products/luxeon-rebel/luxeon-rebel-white",
"http://1000bulbs.com/product/58963/LED-409946.html?utm_source=SmartFeedGoogleBase&utm_medium=Shopping&utm_term=LED-409946&utm_content=LED+Light+Bulbs+-+60+Watt+Equal&utm_campaign=SmartFeedGoogleBaseShopping&gcl... | |
k74ie | Is their a chemical or other additive(like what I do not know, perhaps one that reacts with water) that could make paint dry faster? | would it be the same for both oil and latex based paints?
P.s. I just finished typing this and I think the real question should I guess be about dehydration... but thats as far as I have gotten. | askscience | http://www.reddit.com/r/askscience/comments/k74ie/is_their_a_chemical_or_other_additivelike_what_i/ | {
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"text": [
"Many of the paints in use now take advantage of chemical driers or other systems to accelerate 'drying.'\n\nFirstly, not all paints are water-based. In the case of oil-based paints, 'drying' is actually not related to the ev... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Linseed_oil#Chemical_aspects",
"http://en.wikipedia.org/wiki/Alkyd",
"http://en.wikipedia.org/wiki/Drying_oil#Chemistry_of_the_drying_process"
],
[
"http://en.wikipedia.org/wiki/Linseed_oil#Chemical_aspects",
"http://en.wikipedia.org/wiki/Alkyd",
"http://e... | |
1ms1sy | When did the Byzantines stop wearing togas and other classical Greco-Roman garments? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1ms1sy/when_did_the_byzantines_stop_wearing_togas_and/ | {
"a_id": [
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"text": [
"They probably rarely wore togae in the first place. Togae were notoriously uncomfortable to wear, let alone in the stifling heat of the Eastern Roman Empire. Martial refers to work done during the day wearing the toga as 'toga work' (_opera toga... | [] | [] | [
[
"http://books.google.co.uk/books?id=QYo8kA3pJNAC&pg=PT212&lpg=PT212&dq=toga+uncomfortable+juvenal&source=bl&ots=hjNfkrY_Xr&sig=Mp_nFe1ZPnQkANvNBkcQKyHqxpg&hl=en&sa=X&ei=J9w8UoSFNqPM0QXYloGQBg&ved=0CDMQ6AEwAQ#v=onepage&q=toga%20uncomfortable%20juvenal&f=false"
... | ||
1ulku9 | Was it commonplace for Royals of old to be highly learned and respected in Academia? | For example - 'Anti-Machiavel' by Frederick the Great. Was he an exception or was the publication of academic works by monarchs more frequent? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1ulku9/was_it_commonplace_for_royals_of_old_to_be_highly/ | {
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"text": [
"It was generally not common. Certainly there were some monarchs who did have some scholarly abilities. Queen Elizabeth I translated Boethius's Consolation of Philosophy.\n\nBut the amount of training in languages and literature necessary to be a ... | [] | [] | [
[]
] | |
14pyjg | why is gold so expensive? | I don't see any obvious use for gold except for jewlery :/ | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/14pyjg/eli5_why_is_gold_so_expensive/ | {
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"[It is not used only for jewelry](_URL_0_), but what does it matter if it was? There is a limited amount of gold ... | [] | [] | [
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"http://dollardaze.org/blog/pages/00063/GoldUses2005.gif"
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"http://www.reddit.com/r/finance/comments/utf5u/where_has_all_the_money_in_the_world_gone/c4yg5it"
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fwgbt2 | how do options and shorts work for investments? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fwgbt2/eli5_how_do_options_and_shorts_work_for/ | {
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"For shorts, its better to think about what you're expecting to happen when you do it than how its actually executed in the market (which is more complicated, but ultimately unimportant to you, the trade... | [] | [] | [
[],
[],
[
"https://www.investopedia.com/options-and-derivatives-trading-4689663"
]
] | ||
3e5z2m | Why is tungsten at room temperature so brittle? Since super cooled metals are more brittle, is this the same phenomenon but just at a much lower temperature because tungstens melting point is so high? Or is it something entirely different? | askscience | http://www.reddit.com/r/askscience/comments/3e5z2m/why_is_tungsten_at_room_temperature_so_brittle/ | {
"a_id": [
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"text": [
"Basic answer is that tungsten is Body Centered Cubic (BCC) and therefore will go through a ductile to brittle transformation at certain temperatures. DBTT (Ductile to Brittle Transition Temperature) of tungsten is quite h... | [] | [] | [
[],
[
"hal.archives-ouvertes.fr/jpa-00253413/document"
]
] | ||
1sxoss | can someone explain to me the pros and cons of capitalism? | I feel I know a bit of both, but not nearly anything when I really think about it. Help? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1sxoss/can_someone_explain_to_me_the_pros_and_cons_of/ | {
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"text": [
"As far as economic history goes, there simply isn't a better set of institutions than capitalism to generate technological growth.\n\nCons: inequality - though this can be abated with a welfare state.",
"Capitalism: An e... | [] | [] | [
[],
[]
] | |
wm6zb | What is the final form of energy? | So the Law of Conservation of Energy states that energy cannot be created or destroyed. Since that is true, what is the final 'form' of energy?
For example, a lot of energy is converted to friction (which is heat). But what about kinetics and sound? When I wave, chemical energy is transformed to kinetic energy, but w... | askscience | http://www.reddit.com/r/askscience/comments/wm6zb/what_is_the_final_form_of_energy/ | {
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"text": [
"Heat (thermal energy) would be the closest to the answer you are looking for.\n\n_URL_0_"
]
} | [] | [] | [
[
"http://en.wikipedia.org/wiki/Heat_death"
]
] | |
1t1wve | how does apple own the beatles? | I just saw the movie Jobs and have been obsessed with apple and Steve Jobs lately.. How does Apple own the rights to the Beatles when Paul McCartney is still alive? /How does all of that royalty stuff work? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1t1wve/eli5_how_does_apple_own_the_beatles/ | {
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"text": [
"Apple Inc, the computer/device company, is different from Apple Records/Apple Corps Ltd, which is the record label created by the Beatles. Apple Inc doesn't own the rights to the Beatles music.",
"... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Apple_Records",
"http://en.wikipedia.org/wiki/The_Beatles#Song_catalogue",
"http://en.wikipedia.org/wiki/Apple_Corps_v._Apple_Computer"
],
[]
] | |
5vle6l | if in the vacuum of space there are no exterior forces acing on a spacecraft, why can't we continuously speed up the craft to light speed with constant thrust? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5vle6l/eli5_if_in_the_vacuum_of_space_there_are_no/ | {
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"text": [
"It takes more and more energy to constantly accelerate a spacecraft. This means that as you approach C the amount of energy that you need to go faster approaches infinity. Sadly humans do not have acce... | [] | [] | [
[],
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] | ||
250f92 | Hebrew language revival | I know very little about the revival of Hebrew as a modern language from the ancient version, so I was wondering if the reason of the revival was a part of building a national identity or for a religious identity. Was identity a part of the reason or was it purely religious? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/250f92/hebrew_language_revival/ | {
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"text": [
"It was about the national identity, not religious reasons. More religious segments of Judaism were historically (and often still are) skeptical of Zionism in general, of which the Hebrew revival was a part.\n\nFirst, some linguistic background. ... | [] | [] | [
[]
] | |
1fdnkv | What was the source of gunpowder for the colonial militias during the American Revolution? | Were they able to manufacture it themselves? Did they receive it from overseas? If so, from where? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1fdnkv/what_was_the_source_of_gunpowder_for_the_colonial/ | {
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"I don't have much analysis that can add to their own words. From the Journals of the Continental Congress, Saturday, June 10, 1775:\n > Resolved: That it be, and is hereby earnestly recommended to the s... | [] | [] | [
[],
[
"http://penelope.uchicago.edu/Thayer/E/Journals/AHR/30/2/Supply_of_Gunpowder_in_1776.html",
"http://www.universityarchives.com/Find-an-Item/Results-List/Item-Detail.aspx?ItemID=54674"
],
[]
] | |
ctl2kg | when cops and dea agents perform undercover drugs busts where do they obtain said drugs? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ctl2kg/eli5_when_cops_and_dea_agents_perform_undercover/ | {
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"text": [
"I think most of the time they act as the buyers, not the sellers. They are trying to work their way UP the ladder, not down, so they want the dealers, not the end users. \n\nSo they just make multi... | [] | [] | [
[],
[],
[]
] | ||
4qy10k | what happens to clothing that isn't sold? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4qy10k/eli5_what_happens_to_clothing_that_isnt_sold/ | {
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"text": [
"What you're asking about is the retail chain. For most products, it works like this:\n\nManufacturer makes a product, and markets it to retailers, who place orders in various q... | [] | [] | [
[],
[],
[],
[
"http://nymag.com/thecut/2010/01/hm_destroys_and_throws_out_per.html"
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7lc8hh | how is a single injection of a drug able to provide months of therapy? | My wife is getting a single shot of a drug that will stop her production of estrogen for a full three months. I read about "once a year" injections that can provide months of relief for various conditions. How can a single dose of a medication remain metabolically active for months at a time? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7lc8hh/eli5_how_is_a_single_injection_of_a_drug_able_to/ | {
"a_id": [
"drl6egf"
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"text": [
"Esterification of an injectable steroid basically accomplishes one thing, it slows the release of the parent steroid from the site of injection. \nThis happens because the ester will notably lower the water solubility of the steroid, and increas... | [] | [] | [
[]
] | |
13hp7g | How does amputation early in life affect growth of the amputated limb? | askscience | http://www.reddit.com/r/askscience/comments/13hp7g/how_does_amputation_early_in_life_affect_growth/ | {
"a_id": [
"c749t3m"
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"score": [
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"text": [
"Typically amputated limbs do not grow."
]
} | [] | [] | [
[]
] | ||
2johqv | Were legendary swords actually a thing? | In all the many years where swords were used in combat, were legendary swords actually a real thing?
I don't mean simply named swords, but swords that carried a reputation as being exceptionally well made or somehow powerful. I'd imagine given the beliefs of the time, they probably would have been seen to be magical.... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2johqv/were_legendary_swords_actually_a_thing/ | {
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"text": [
"Heya guys, just popping in here to issue a quick reminder as to the [standards we uphold in this subreddit.]... | [] | [] | [
[
"http://www.reddit.com/r/AskHistorians/comments/1jsabs/what_it_means_to_post_a_good_answer_in/"
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[],
[
"http://www.reddit.com/r/AskHistorians/comments/15atks/are_there_any_examples_of_named_swords_in_history/"
],
[],
[],
[],
[
"http://en.wikipedia.org/wiki/Skofnung"
]
] | |
4dcac6 | how quartz crystal resonators work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4dcac6/eli5_how_quartz_crystal_resonators_work/ | {
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"text": [
"They rely on a piezo crystal. These crystals have the useful property that they generate a voltage if you squeeze them, and expand or contract if you apply a voltage. They are co... | [] | [] | [
[],
[],
[],
[
"https://www.youtube.com/watch?v=dUZFxMTEss0"
]
] | ||
7dy4xi | What are the best examples of forgiveness and philanthropy and self-sacrifice from history? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/7dy4xi/what_are_the_best_examples_of_forgiveness_and/ | {
"a_id": [
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"score": [
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"text": [
"Sorry, we don't allow [\"example seeking\" questions](_URL_1_). It's not that your question was bad; it's that these kinds of questions tend to produce threads that are collections of disjointed, partial, inadequate responses. If you have a quest... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/3nub87/rules_change_throughout_history_rule_is_replaced/",
"https://www.reddit.com/r/AskHistorians/wiki/rules#wiki_no_.22example_seeking.22_questions"
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4szktg | how does the 100 year old light bulb work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4szktg/eli5_how_does_the_100_year_old_light_bulb_work/ | {
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"text": [
"I believe you're talking about the firehouse lightbulb that is 100 years old.\n\nThe answer is a combination of several things- the bulb has been fairly gently used, the power that it running it is lowe... | [] | [] | [
[],
[],
[]
] | ||
fktct0 | Why aren't you still contagious after you recover from a viral infection? | My understanding is that *recovering* from a viral infection is not the same thing as *removing* a viral infection. Even though you no longer show symptoms, the virus remains in your body forever - the only difference being that your immune system can keep at at bay effectively enough to keep you asymptomatic. If that'... | askscience | https://www.reddit.com/r/askscience/comments/fktct0/why_arent_you_still_contagious_after_you_recover/ | {
"a_id": [
"fkxm3cs"
],
"score": [
9
],
"text": [
"It is absolutely not true that viruses remain in your body forever. There are a small subset of viruses that do that, but the vast, vast majority of viruses are completely eliminated from your body by the immune system."
]
} | [] | [] | [
[]
] | |
2fq2fb | Are there any magnets available commercially that will adhere to aluminum? | Just wondering. Is there anything like that available? | askscience | http://www.reddit.com/r/askscience/comments/2fq2fb/are_there_any_magnets_available_commercially_that/ | {
"a_id": [
"ckbseb7"
],
"score": [
7
],
"text": [
"Magnetic effects generally arise from the interactions of unpaired electrons. Typically, magnetic materials (such as iron) are ferromagnets, which means that the the unpaired electrons the d-orbitals can spin-align under certain conditions. Alumi... | [] | [] | [
[
"https://www.youtube.com/watch?v=yk4ACjzDFRY"
]
] | |
e7jnch | how does a fast charging plug charge faster when the socket has the same output when there's a regular plug? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/e7jnch/eli5_how_does_a_fast_charging_plug_charge_faster/ | {
"a_id": [
"fa0acfy"
],
"score": [
5
],
"text": [
"The \"fast charge\" socket **does not** have the same output.\n\nThe voltage is the same, but the current available at that voltage is higher. This must be taken into account when choosing cables and connectors."
]
} | [] | [] | [
[]
] | |
1br8vb | Generating electricity and rotating magnets | From what I understand, rotating a magnet inside a metal coil produces electricity.
Also while I was playing with my magnets I noticed that in certain configurations/distances if I rotated one magnet the others would rotate as well.
Building on these two things could we build one 'master' generator with a rotating ... | askscience | http://www.reddit.com/r/askscience/comments/1br8vb/generating_electricity_and_rotating_magnets/ | {
"a_id": [
"c99a5j1"
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"score": [
6
],
"text": [
"You could, but it wouldn't be beneficial. Any energy being used to cause rotation of the smaller magnets is not going in to generating electricity. You could be better off using your super magnet to generate electricity directly. "
]
} | [] | [] | [
[]
] | |
53m6oc | In John Milton's Paradise Lost, Satan is sometimes read as the protagonist. While Milton obviously didn't intend this, did any of his contemporaries believe this? | By this I mean, do we have any writings or evidence to suggest that some people in his time viewed Satan as the protagonist, or at least a tragic hero. | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/53m6oc/in_john_miltons_paradise_lost_satan_is_sometimes/ | {
"a_id": [
"d7ujkni"
],
"score": [
32
],
"text": [
"[Yes.](_URL_0_)\n\nAs the source describes, Milton was a republican in the historical sense. It was during his lifetime that Oliver Cromwell, still a divisive figure in English history, rose to power after overthrowing Charles I. Milton supporte... | [] | [] | [
[
"http://darknessvisible.christs.cam.ac.uk/critics.html"
]
] | |
3ap076 | after their extinction, why did dinosaur type creatures not evolve all over again? | After the dinosaurs suffered the extinction event and life had to 'start over' to a degree, why didn't creatures similar to them evolve all over again?
If life had evolved as such to create all the dinosaurs creatures and they were seemingly wiped out by a disaster (rather than simply not being up to it as a species)... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3ap076/eli5_after_their_extinction_why_did_dinosaur_type/ | {
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2,
2,
2,
3,
2
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"text": [
"There are infinite forms for life to try. There is no trajectory of evolution except the historical lineage. Since the non-avian dinos w... | [] | [] | [
[],
[],
[],
[],
[],
[]
] | |
3bioer | I know of absolute zero at -273.15°C, but is there an absolute hot? | askscience | http://www.reddit.com/r/askscience/comments/3bioer/i_know_of_absolute_zero_at_27315c_but_is_there_an/ | {
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"csn7xdy",
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"c... | [] | [] | [
[],
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"http://scienceworld.wolfram.com/physics/Temperature.html"
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[],
[],
[
"https://medium.com/starts-with-a-bang/ask-ethan-92-is-there-a-limit-to-temperature-18c39d0e337c"
],
[],
[],
[],
[
"https://en.wikipedia.org/wiki/Planck_units",
"https://en.wikipedia.org/wiki/Planck_tem... | ||
j3oo0 | programming and writing computer code (if it can be explained to a 5 year old) elim | Where to begin, how to do it, important programs and tools? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/j3oo0/programming_and_writing_computer_code_if_it_can/ | {
"a_id": [
"c28vdu4"
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"score": [
2
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"text": [
"If you have a lot of time, I think a wonderful and engaging introduction is Harvard's [CS50](_URL_0_) course, and it leads you step-by-step through many of the questions you have. "
]
} | [] | [] | [
[
"http://cs50.tv/2010/fall/"
]
] | |
8zaa51 | how can google get fined by eu for practically promoting their own products/brand(google search engine & android/google search engine on android devices) | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8zaa51/eli5_how_can_google_get_fined_by_eu_for/ | {
"a_id": [
"e2h78ca"
],
"score": [
4
],
"text": [
"How can they? The EU can impose a fine and refuse to let them operate in the EU until it is paid.\n\nWhy would they? Because it can be considered a breach in monopoly laws. Microsoft was indicted on the grounds of monopolization for bundling inte... | [] | [] | [
[]
] | ||
3yivi2 | What was US espionage like from the Revolutionary War period through the Civil War? What sort of information was targeted and how was it collected? | Reposting this question since I didn't get an answer when I [first asked](_URL_0_). | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3yivi2/what_was_us_espionage_like_from_the_revolutionary/ | {
"a_id": [
"cydtgrl"
],
"score": [
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"text": [
"In the intelligence community Nathan Hale is often called \"America's first spy\". He was captured by the British in 1776 and executed, famously stating \"I only regret that I have but one life to lose for my country.\" \n\nHale's mission was to ... | [] | [
"https://www.reddit.com/r/AskHistorians/comments/3xweqm/what_was_us_espionage_like_from_the_revolutionary/"
] | [
[]
] | |
nnv0t | computer shellcode (shell code) | Please ELI5 what malicious shellcode (Shell Code) is, how it works, and how it can be avoided. Thank you. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/nnv0t/eli5_computer_shellcode_shell_code/ | {
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3,
3,
3,
3
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"text": [
"If you're not a programmer, the only thing you can really do is make sure that you consistently update your software, especially when it says it's for security reasons.\n\nIf you a... | [] | [] | [
[],
[],
[],
[]
] | |
66oskt | How does a king or queen end up with a epithet...such as Alfred the Great, Æthelred the Unready, Edward the Confessor, etc? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/66oskt/how_does_a_king_or_queen_end_up_with_a/ | {
"a_id": [
"dgl5nch"
],
"score": [
8
],
"text": [
"A couple ways.\n\n1. They give it to themselves. *Every* Joseon Korean King styled himself \"the Great\"\n\n2. Others give it to them. Kings in Europe took their epithets personally and knew what they were in many cases. They all wanted a name li... | [] | [] | [
[]
] | ||
1bnxah | Why do English translations of WWII German always leave the words "Reich" and "Führer" in German? | I'm a German major and as far as I'm aware "Reich" simply translates to "Empire" and "Führer" simply translates to "Leader".
So why do English translations almost always leave those two words (and a few others) in German? Why not simply finish the translation?
Thanks! | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1bnxah/why_do_english_translations_of_wwii_german_always/ | {
"a_id": [
"c98fknb"
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"text": [
"These words have entered the consciousness of English-speakers (and speakers of other languages) as having a specific connection to a certain object. There are dozens of German leaders, there is only one Fuhrer. This is the same with, say, Czar o... | [] | [] | [
[]
] | |
4smarr | how far ahead we are in achieving unified field theory ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4smarr/eli5_how_far_ahead_we_are_in_achieving_unified/ | {
"a_id": [
"d5ag67d"
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4
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"text": [
"Not very far unfortunately. Without going into the details (which I'd be crap at explaining anyway), string theory seems to be the most promising avenue. However, there seem to be virtually an infinite number of configurations of the math that ... | [] | [] | [
[]
] | ||
1m77h4 | Were there ground public transportation options before the advent of the automobile and the locomotive? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1m77h4/were_there_ground_public_transportation_options/ | {
"a_id": [
"cc6n71f"
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"score": [
2
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"text": [
"One of the best known ground public transport options was stage coaches, so-called because they regularly changed horses with each stretch between changes being called a \"stage\". In Australia the best known and remembered of these is \"Cobb ... | [] | [] | [
[
"http://australia.gov.au/about-australia/australian-story/cobb-and-co"
]
] | ||
1sod3n | how do generic brands work and why are they cheaper than their name brand cournterparts? | I've always wondered, as a frequent consumer of generic brands, I e always wondered what was it that made it so much more cheaper than the name brands. Like, is it made with cheaper ingredients or materials or is it just the reason that its not a name brand that its cheap? How do stores get their own generic brand like... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1sod3n/eli5_how_do_generic_brands_work_and_why_are_they/ | {
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9,
2,
3
],
"text": [
"My roommate used to work at Kraft foods. He said when they were making the \"Brand Name\" product, everything was added to the mix. About mid day they would... | [] | [] | [
[],
[],
[],
[],
[
"http://www.cbsnews.com/news/generic-and-store-brands-vs-brand-names/"
]
] | |
3t2p0i | what is a runny nose supposed to accomplish? it seems so counterproductive | As soon as snot starts flowing into your nose, you're just going to sniff it back it. I've seen this reaction in every person, and even every mammal I've ever seen with a runny nose. Don't we just end up snorting all the germs back up into out internal snot chutes? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3t2p0i/eli5_what_is_a_runny_nose_supposed_to_accomplish/ | {
"a_id": [
"cx2jyjc"
],
"score": [
6
],
"text": [
"Your \"internal snot chutes\" empty into the stomach. The snot, along with anything that happens to get stuck in it, gets destroyed by stomach acid. So sniffing it back in, and then down into your throat, is the entire point."
]
} | [] | [] | [
[]
] | |
4d134m | how can we know the size of the observable universe of we only just escaped the solar system? | I know we didn't really leave the solar system but I can't spell. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4d134m/eli5_how_can_we_know_the_size_of_the_observable/ | {
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"text": [
"We can look at galaxies outside ours, and see how far away they are (using various techniques like standard candles, a particular kind... | [] | [] | [
[],
[],
[
"http://i.imgur.com/83Qa2mU.jpg"
],
[],
[],
[]
] | |
1mhpx8 | why in germany or the netherlands the youth unemployment rate is under 9% while in countries such as greece, spain and portugal the same rate ranges from a 40% to 60%? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1mhpx8/eli5_why_in_germany_or_the_netherlands_the_youth/ | {
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"score": [
6,
13,
23,
2
],
"text": [
"Overall unemployment in Germany and the Netherlands is significantly lower, so without a lot of unemployed, experienced workers around, businesses have no real choice. They would... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Dual_education_system"
],
[
"http://stats.oecd.org/Index.aspx?DatasetCode=LFS_SEXAGE_I_R"
],
[]
] | ||
2nsiiw | Why is the way in which colonial powers took over North America viewed today as "stealing", when similar scenarios are often seen as "occupying" or "invading" and then largely forgotten? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2nsiiw/why_is_the_way_in_which_colonial_powers_took_over/ | {
"a_id": [
"cmgkey1"
],
"score": [
6
],
"text": [
"Can you give some examples, please? That would help."
]
} | [] | [] | [
[]
] | ||
fgy10d | why is it harder to find veins for injection on someone who's feeling nervous about it ? | I was given an injection with a baby needle on my elbow pit. The nurse had to switch veins 4 times (twice in left arm, twice in right arm) and still didn't manage to give me the injection. I was told it was because I felt nervous so it made my veins "disappeared". How is that possible ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fgy10d/eli5_why_is_it_harder_to_find_veins_for_injection/ | {
"a_id": [
"fk7js2q",
"fk7jz7q",
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"score": [
2,
2,
30
],
"text": [
"Nervousness causes high blood pressure. One of the causes of high blood pressure is constriction of the blood vessels thus making them smaller and hard to find. Add in the fact that not everyone has ... | [] | [] | [
[],
[],
[]
] | |
2t5gal | how come when i dream something relevant happens in real world? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2t5gal/eli5how_come_when_i_dream_something_relevant/ | {
"a_id": [
"cnvviog"
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"score": [
2
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"text": [
"You dream many things per night and some of them are relevant. Or maybe they are not all that relevant, but can be interpreted in a strange way to make sense to you. Like in your example, it could have been your brother, your father, anyone calli... | [] | [] | [
[]
] | ||
j2pol | explain me stocks (what i should look for, what types are there). | More specifically: I am spending a bunch of money in random stocks, but don't know what things I should be looking at. They are things like dividends and other technical terms. Also, there are many other types of stocks like mutual funds. Share your knowledge. (Also, I wasn't sure if this topic would be more towards As... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/j2pol/explain_me_stocks_what_i_should_look_for_what/ | {
"a_id": [
"c28ncf6",
"c28nnqq"
],
"score": [
2,
2
],
"text": [
"Honestly, this is your best shot at learning about [stocks](_URL_2_)\n\n\nThere is no easy answer to any of the things you asked.\n\nStop spending money as if it grows on trees. \n\nalso here are some important links that yo... | [] | [] | [
[
"http://www.djindexes.com/",
"http://www.standardandpoors.com/home/en/us",
"http://www.investopedia.com/university/",
"http://www.nasdaq.com/"
],
[]
] | |
3k8zxw | how did people used to find their penpal, back in the day? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3k8zxw/eli5how_did_people_used_to_find_their_penpal_back/ | {
"a_id": [
"cuvmu96",
"cuvmyf9",
"cuvpp2s",
"cuvx1wt"
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"score": [
5,
2,
2,
2
],
"text": [
"I found some in the back of a magazine called Stickers, for sticker collectors, back in the 80's. It was in the classified section where people could advertise that they wanted pe... | [] | [] | [
[],
[],
[],
[]
] | |
2pj3xi | why do police always show up to places with their sirens on? | Wouldn't it be beneficial to keep the element of surprise on your side without announcing your presence with loud noises and flashy lights? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2pj3xi/eli5_why_do_police_always_show_up_to_places_with/ | {
"a_id": [
"cmx5j7u"
],
"score": [
6
],
"text": [
"If police are doing something sneaky, like a sting, then they won't use a siren.\n\nBut the siren gets them through traffic, instructs the public to clear away, and can intimidate criminals (or potential criminals) to dissuade any further crimes.... | [] | [] | [
[]
] | |
4332ig | why does "populism" have a negative connotation within democratic societies? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4332ig/eli5_why_does_populism_have_a_negative/ | {
"a_id": [
"czf1ap7",
"czf4p87",
"czfcco3",
"czfh5rj"
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"score": [
44,
2,
9,
2
],
"text": [
"Wiki has this definition:\n\n > Populism is a doctrine that appeals to the interests and conceptions (such as hopes and fears) of the general population, especially when contrasti... | [] | [] | [
[],
[],
[],
[]
] | ||
74z0xe | why do wifi routers need to be power cycled periodically? are there any that don't? | It seems like the older they get, the more often the procedure is necessary. I need to reset mine once a day or every other day. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/74z0xe/eli5_why_do_wifi_routers_need_to_be_power_cycled/ | {
"a_id": [
"do2b7lo"
],
"score": [
10
],
"text": [
"Routers do NOT need to be reset periodically. If you set it up correctly and installed its firmware then you shouldn’t even be touching it for months or years. If you have an older modem then it could possibly be set on DoD and you’ll need to fi... | [] | [] | [
[]
] | |
3eofx6 | why do towels have a band without fuzz on each end? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3eofx6/eli5_why_do_towels_have_a_band_without_fuzz_on/ | {
"a_id": [
"ctgw4zh"
],
"score": [
11
],
"text": [
"It is there so the towel does not fall apart over time. There are two reasons for using this stitch over the regular \"fold-and-stitch\" version:\n\n* the fabric is very thick so it would give a very fat fold at the end which does not look appea... | [] | [] | [
[]
] | ||
1ntaga | If we know all the naturally occurring elements and how they combine, is there a finite number of compounds? Do we know them all? Have we synthesized all or most of them?? | askscience | http://www.reddit.com/r/askscience/comments/1ntaga/if_we_know_all_the_naturally_occurring_elements/ | {
"a_id": [
"ccltzf4",
"cclvx04",
"cclwxl5",
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"score": [
51,
4,
16,
6
],
"text": [
"It's quite likely we know all naturally occurring elements, as all the ones heavier than those we know are naturally occurring are quite short-lived, and AFAIK it's not believed ... | [] | [] | [
[],
[],
[
"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3447393/",
"http://pubs.acs.org/doi/abs/10.1021/jm0707727"
],
[]
] | ||
d0edar | Why do positron-electron pair not annihilate each other? | Ok so my current understanding of the formation of electrons at the big bang ish is from to colliding high energy gamma rays from black body radiation turning into a positron-electron pair to keep net charge 0 but as they are antimatter of each other so why don't they annihilate each other? | askscience | https://www.reddit.com/r/askscience/comments/d0edar/why_do_positronelectron_pair_not_annihilate_each/ | {
"a_id": [
"ez9g9dn"
],
"score": [
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],
"text": [
"To answer the question in the title: electrons and positrons do annihilate eachother.\n\nTo address the [different] question in the body of the post: the matter–antimatter asymmetry of the universe is an unsolved problem. Perhaps there are proces... | [] | [] | [
[]
] | |
5fiqj4 | what are pilots checking during pre/post flight? | What is the checklist to make sure a plane is good to go and what could prevent that plane from taking off again? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5fiqj4/eli5_what_are_pilots_checking_during_prepost/ | {
"a_id": [
"dakhev9",
"dakhnnc"
],
"score": [
3,
7
],
"text": [
"Im not a pilot, but as a truck driver i would assume you would check a lot of the same things as i do on my rig. Check your fluid levels, belts, guages, lights, and for leaks. I bet they check their wings and tail like i che... | [] | [] | [
[],
[
"https://www.scientificamerican.com/sciam/cache/file/1B1FE816-FDF8-4284-AA1440243F4494AD_agenda.jpg?w=600&h=335"
]
] | |
fw2yke | why does yawning temporarily make a headache go away? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/fw2yke/eli5_why_does_yawning_temporarily_make_a_headache/ | {
"a_id": [
"fmmh5fa"
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"score": [
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],
"text": [
"Headaches are mostly caused by misfiring nerves in your brain (migraines) or \"heartbeat\"/pressure headaches in the nerves/vessels/muscle that surround your brain.\n\nYawning causes a few things to happen in your body: it increases oxygen in you... | [] | [] | [
[]
] | ||
35wuj4 | Is there a name for the feeling you get when you see something that makes you cringe? | Like the feeling you get when you see a graphic injury (bones sticking out, blood, etc.) Just thinking about it now is making me uneasy. What is going on in the brain that causes this reaction? | askscience | http://www.reddit.com/r/askscience/comments/35wuj4/is_there_a_name_for_the_feeling_you_get_when_you/ | {
"a_id": [
"cr8q97c",
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"score": [
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3,
3
],
"text": [
"_URL_0_ This is more about sounds like scratching, scraping etc., but it does cover where the reaction comes from",
"[Might not be what you're looking for exactly, but this site has a plethora of de... | [] | [] | [
[
"http://psychcentral.com/news/2012/10/11/why-we-cringe-at-unpleasant-sounds/45935.html"
],
[
"http://www.dictionaryofobscuresorrows.com/"
],
[
"http://en.wikipedia.org/wiki/Mirror_neuron"
]
] | |
6du8cw | How did Gen James Longstreet go from Lee's right-hand man to pro-Reconstruction Republican? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6du8cw/how_did_gen_james_longstreet_go_from_lees/ | {
"a_id": [
"di5qv6n"
],
"score": [
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],
"text": [
"In a word, Longstreet was a realist. He accepted that the South has lost, and was looking for the best way for her to bounce back. But while he wasn't alone in the former officer corps in his caution \"to accept the terms that are now offered by... | [] | [] | [
[
"https://books.google.com/books?id=n24-UIO3TuUC&pg=PA106&lpg=PA106&dq=%22My+politics+is+to+save+the+little+that+is+left+of+us,+and+to+go+to+work+to+improve+that+little+as+best+we+may%22&source=bl&ots=x_BhIJ2P4c&sig=glxeWPlkkGUE1MTyJT_c7NXYvfg&hl=en&sa=X&ved=0ahUKEwjq95X0qZP... | ||
ryol9 | hasidic judaism (or jewish mysticism) | What's the core of their belief and how are they different from other branches of Judaism? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/ryol9/eli5_hasidic_judaism_or_jewish_mysticism/ | {
"a_id": [
"c49q07s"
],
"score": [
9
],
"text": [
"Alright, first of all, not all Chasidim (-im generally means plural people in Hebrew) are mystics, nor are all mystics Chasidim. But you will usually find more Chasidic Kabbalah scholars than you will Reform. (Anecdotal evidence: I knew a Chabadn... | [] | [] | [
[]
] | |
3duro7 | How do sun rays affect clouds and their changes? | Is it all about wind when clouds move, disperse, tear apart etc., or does sunlight also have any significant effect? | askscience | http://www.reddit.com/r/askscience/comments/3duro7/how_do_sun_rays_affect_clouds_and_their_changes/ | {
"a_id": [
"ct91lq8",
"ct9fe2f"
],
"score": [
2,
2
],
"text": [
"Well, sun is the energy source in the formation of clouds. Actually, sun is the main energy source of all atmospheric movements. But I assume that wasn't your question (if it was, let me know.)\n\nOnce the clouds are formed,... | [] | [] | [
[],
[]
] | |
89jpfh | Do wolves panic during thunderstorms the way domesticated dogs sometimes do? | askscience | https://www.reddit.com/r/askscience/comments/89jpfh/do_wolves_panic_during_thunderstorms_the_way/ | {
"a_id": [
"dwrvkhe",
"dwsdjzl"
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"score": [
10,
5
],
"text": [
"Dogs panicking during thunderstorms only primarily happens because they aren’t conditioned to the sound before formative development in the brain stops. Dog trainers can suggest playing different sounds—cars honking, trains... | [] | [] | [
[],
[
"https://watermark.silverchair.com/84-1-243.pdf?token=AQECAHi208BE49Ooan9kkhW_Ercy7Dm3ZL_9Cf3qfKAc485ysgAAAcQwggHABgkqhkiG9w0BBwagggGxMIIBrQIBADCCAaYGCSqGSIb3DQEHATAeBglghkgBZQMEAS4wEQQMRwH8V6yxoazOF12cAgEQgIIBd18Sa2tRpFN8okKsrtDztKt7CnibUmh7YFtCilYifQKS09s_viDxTkL8CAplaUnSKAGoQbaCHRuNa9R1hzgOGkQPGjYLF9... | ||
4dauhr | why is the ph of water important for plants but not animals? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4dauhr/eli5_why_is_the_ph_of_water_important_for_plants/ | {
"a_id": [
"d1p97zd"
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"score": [
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],
"text": [
"My tomato plants that I'm growing hydroponically (i.e. in water) grow within a pH range of about 5.5-7.0\n\nMy fish grow in a range of about 6.5 - 7.0.\n\nSo I think pH of water is important for both plants and animals, and probably even more imp... | [] | [] | [
[]
] | ||
3r7grd | why do tomato based foods stain tupperware? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3r7grd/eli5why_do_tomato_based_foods_stain_tupperware/ | {
"a_id": [
"cwlkpsh",
"cwllrt4",
"cwmgr1p"
],
"score": [
23,
9,
2
],
"text": [
"Tomatoes contain a compound called lycopene that reflects light strongly in the red portion of the visible spectrum. The lycopene binds to the plastic in the container causing it to take on a reddish t... | [] | [] | [
[],
[],
[]
] | ||
10h7zb | dust | what is it made of? how does it get to all those weird spots? how does it get into virtually untouched spots it seems. What is dust
| explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/10h7zb/eli5_dust/ | {
"a_id": [
"c6dh3ih",
"c6dql7g"
],
"score": [
17,
2
],
"text": [
"Dust is made of a collection of things: dead skin, dust mites, dust mite feces, pollen, smoke, soil, hair, and other materials. Dust particles are very small and light so they get blown around easily in the air. They spread... | [] | [] | [
[
"http://www.wikihow.com/Make-a-Cloud-in-a-Bottle"
],
[]
] | |
3ho54r | Before the arrival of the Magyars, who lived in Hungary? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3ho54r/before_the_arrival_of_the_magyars_who_lived_in/ | {
"a_id": [
"cu95kff"
],
"score": [
14
],
"text": [
"The Iazyges were a nomadic Sarmatian tribe located in around where Romania, Ukraine, and Hungary meet today. They were a constant thorn in the side of the Roman Empire from the 1st Century BCE. They constantly resisted assimiliation and were amo... | [] | [] | [
[]
] | ||
frxto | Does the total volume of precipitation in the sky vary? If so, by how much? | askscience | http://www.reddit.com/r/askscience/comments/frxto/does_the_total_volume_of_precipitation_in_the_sky/ | {
"a_id": [
"c1i66mi"
],
"score": [
2
],
"text": [
"Unsure what you are asking. Are you asking if the amount of water vapor varies? If so, it clearly does because humidity varies widely over the Earth."
]
} | [] | [] | [
[]
] | ||
30eh70 | Before photo ID's how did people prove their identity? How would you get a check cashed? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/30eh70/before_photo_ids_how_did_people_prove_their/ | {
"a_id": [
"cprwxbu",
"cprxw5p",
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"cpsgjt9"
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"score": [
99,
4,
23,
8
],
"text": [
"More of a legal history perspective, but contracts historically were based on trust. Basically you could cash a check because you said you were the person on the account. You wou... | [] | [] | [
[],
[
"http://www.reddit.com/r/AskHistorians/wiki/dailylife#wiki_proof_of_identity"
],
[],
[]
] | ||
219vbr | Why is Australia so hot even though it is so far south of the equator? | I feel like this is a stupid question but yeah.. | askscience | http://www.reddit.com/r/askscience/comments/219vbr/why_is_australia_so_hot_even_though_it_is_so_far/ | {
"a_id": [
"cgb1vsz",
"cgb2xiv"
],
"score": [
9,
2
],
"text": [
"Australia isn't that far south - depending on whether you're talking Darwin or Tasmania, you're roughly looking at the same latitudes as northern hemisphere locales such as Syria, Iraq, Spain and Mexico - all fairly warm in ... | [] | [] | [
[],
[
"http://go.hrw.com/atlas/norm_map/world.gif",
"https://www.lib.utexas.edu/maps/world_maps/txu-oclc-264266980-world_pol_2008-2.jpg"
]
] | |
2r8mu5 | why is murder always the most severely punishable crime? | Why is it that no matter how much pain and suffering you inflict to a living person you will always get a lighter sentence than if you killed someone quickly with a relatively short amount of suffering? Even if you torture someone and ruin their lives and they end up killing themselves later. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2r8mu5/eli5_why_is_murder_always_the_most_severely/ | {
"a_id": [
"cndgf1v",
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"score": [
2,
8,
10,
4,
2,
11,
2
],
"text": [
"It's simply the most permanent way to harm someone. I do agree that there are other ways to harm people that sho... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | |
4ub0s3 | airplane formations | Other than the Geese/Mighty Duck flying V, why? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4ub0s3/eli5_airplane_formations/ | {
"a_id": [
"d5ob2l9"
],
"score": [
3
],
"text": [
"Different formations serve different purposes. Some just look good for display, and some are designed to maximize the aircraft's effectiveness in combat. \n\nEspecially in the pre-missile-and-radar days it was important for combat aircraft to fly... | [] | [] | [
[]
] | |
1j8cwm | Are there any well written/ researched historical books specifically about the America atomic dread and how it influenced culture and art? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1j8cwm/are_there_any_well_written_researched_historical/ | {
"a_id": [
"cbc4owx",
"cbc4rg5",
"cbc881r"
],
"score": [
2,
8,
2
],
"text": [
"Hmm, if you're specifically interested in American art the catalog for the exhibition Under the Big Black Sun should have some material on the topic.",
"Indeed, there are!\n\nMy favorite, for its br... | [] | [] | [
[],
[],
[]
] | ||
3ds72j | How did Jefferson Davis get out of treason charges? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3ds72j/how_did_jefferson_davis_get_out_of_treason_charges/ | {
"a_id": [
"ct8i5jf"
],
"score": [
4
],
"text": [
"The short answer is there are a variety of reasons. This actually goes into law a little bit so I will be in uncharted territory.\n\nSo Davis was indicted for treason. But when he went before the judge his team argued that due to the 14th Amendme... | [] | [] | [
[]
] | ||
8m527b | why does light only penetrate 1000 meters of the ocean and not the entire ocean? | I read that light is detectable at a depth of 1000 meters, but photosynthesis is only possible at 200 meters. The verbiage used by the article I read was "significant light is only present at above 200 meters," but does "significant" mean the energy of the photons at that depth is diminished or simply that the frequenc... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8m527b/eli5_why_does_light_only_penetrate_1000_meters_of/ | {
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"dzlcz3s",
"dzlf3p6",
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"dzliiie",
"dzlimdm",
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"score": [
201,
39,
5,
7731,
53,
4,
2,
50,
2,
2,
... | [] | [] | [
[],
[],
[],
[],
[],
[
"https://en.m.wikipedia.org/wiki/Electromagnetic_absorption_by_water#/media/File%3AAbsorption_spectrum_of_liquid_water.png",
"http://bio1151b.nicerweb.net/Locked/media/ch10/10_09PhotosynthWavelength.jpg"
],
[],
[],
[],
[],
[],
[],
[],
[]
] | |
15hykv | If you have an addiction, and suddenly get amnesia, will you know what you crave, even if you can't remember it consciously? | Say you are addicted to cocaine. you then get whacked in the head, forgetting your entire life, or at least the parts filled with cocaine use. I assume you will have intense cravings, but will you know what for? | askscience | http://www.reddit.com/r/askscience/comments/15hykv/if_you_have_an_addiction_and_suddenly_get_amnesia/ | {
"a_id": [
"c7mulqc"
],
"score": [
2
],
"text": [
"Amnesia, to my knowledge, only affects conscious memory, so you will still have the cravings but you most likely will not remember what you are craving."
]
} | [] | [] | [
[]
] | |
2arj2i | doing x in your life decreases/increases your risk of getting y cancer by z%. how do they determine the percent risk? | For example, I'm personally reading an article that says "Men who drank 2 to 3 cups a day had a 10 percent lower risk of mortality, and those who drank 4 to 5 cups per day had a 12 percent lower risk." We also see things like "Smoking increases your risk of lung cancer by whatever% over that of nonsmokers!" How do th... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2arj2i/eli5_doing_x_in_your_life_decreasesincreases_your/ | {
"a_id": [
"ciy0wr3"
],
"score": [
3
],
"text": [
"They look at a sample of the population, made up of varying groups within that sample, and they look at their habits and the outcomes.\n\nIf they notice that some men are not getting cancer while others are, or some men are being hospitalized for... | [] | [] | [
[]
] | |
151lkv | baby boomers and the animosity towards them | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/151lkv/eli5_baby_boomers_and_the_animosity_towards_them/ | {
"a_id": [
"c7ifm5x",
"c7ihz3x"
],
"score": [
10,
5
],
"text": [
"Copy-Pasta of my comment from [this thread](_URL_0_).\n\n > When the US had crushing debt after WWII, the top marginal tax rate was raised to over 90%(!!!). Our debt was far worse than today and the WWII generation was not ... | [] | [] | [
[
"http://www.reddit.com/r/explainlikeimfive/comments/mf3m4/eli5_the_baby_boomer_generation_and_why_they_are/"
],
[
"http://www.4thefight.com/media/catalog/product/cache/1/image/5e06319eda06f020e43594a9c230972d/p/a/patriotic_yellow_ribbon_support_our_troops_vehicle_magnet_1.jpg",
"http://www.pbs.org... | ||
2meeum | Do bent space-time and gravitons both cause objects in space to attract one another? | I'm having a hard time understanding why there seem to be two different explanations for how objects attract one another. | askscience | http://www.reddit.com/r/askscience/comments/2meeum/do_bent_spacetime_and_gravitons_both_cause/ | {
"a_id": [
"cm3fjmq",
"cm3hhn5"
],
"score": [
10,
7
],
"text": [
"They are different descriptions of the same thing. Changes in the gravitational field propagate as gravitational radiation, and quanta of gravitational radiation are called gravitons. The classical limit of a spin-2 massles... | [] | [] | [
[],
[]
] | |
3z1kmw | what is the purpose of the black paint under the eyes? | Also if historical context could be explained that would be great too!
Edit: the black paint used in sports | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3z1kmw/eli5_what_is_the_purpose_of_the_black_paint_under/ | {
"a_id": [
"cyih9zy"
],
"score": [
2
],
"text": [
"It reduces glare (reflection off your upper cheekbones) from the sun/lights and makes it so that you do not have to squint as much. Besides being used in many sports, it is also used by hunters and military/ warring peoples. As for historical con... | [] | [] | [
[]
] | |
5d0chz | Why can an inner ear infection cause temporary taste loss? | I recently had a minor inner ear infection and along with the normal slew of symptoms (headache, earache, and overall discomfort) I experienced temporary taste loss in the front half of my tongue. After some googling, I discovered that ear infection can be accompanied by taste loss (_URL_0_) but I haven't yet found a s... | askscience | https://www.reddit.com/r/askscience/comments/5d0chz/why_can_an_inner_ear_infection_cause_temporary/ | {
"a_id": [
"da1vh19"
],
"score": [
6
],
"text": [
"Oh so this is SUPER cool. Sorry, probably not for you, but I'm a huge dork.\n\nThere's a nerve called the chorda tympani which passes through the middle ear, and I'm making an assumption here that you actually had a middle ear infection, as they ... | [] | [
"https://www.nidcd.nih.gov/health/statistics/what-numbers-mean-epidemiological-perspective-taste-smell"
] | [
[
"http://hearinghealthmatters.org/waynesworld/files/2016/08/chorda_tympani-1.jpg"
]
] | |
2514oc | Is an insect that lives for 1 hour much faster evolving than humans who reproduce every 657 000 hours? (30 years) | Let's say a mayfly lives for 1 hour.
A new human offspring always 1 step further in the family tree reproduces every 30 years.
This theoretically and optimistically leaves the mayfly the oppurtunity to reproduce further in the family tree about 657 000 times in the time the human reproduces 1 time.
Does that mean tha... | askscience | http://www.reddit.com/r/askscience/comments/2514oc/is_an_insect_that_lives_for_1_hour_much_faster/ | {
"a_id": [
"chd26g9",
"chd5h5o"
],
"score": [
2,
2
],
"text": [
"My brain is foggy, but there were many studies that get done on fruit flies for mutations because of their quick life span and how many offspring each can create.\n\nEDIT: Here is an example that goes into more details than... | [] | [] | [
[
"https://www.apologeticspress.org/apcontent.aspx?category=9&article=2501"
],
[]
] | |
d42crs | how are people able to salvage data that has been deleted? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/d42crs/eli5_how_are_people_able_to_salvage_data_that_has/ | {
"a_id": [
"f06xo52",
"f06xpvn",
"f06y1zt"
],
"score": [
6,
2,
3
],
"text": [
"Data isn't actually deleted when you hit \"delete\". When you hit \"delete\", you're telling the Operating System that it is OK to overwrite the area the data is taking up. If you delete something by mi... | [] | [] | [
[],
[],
[]
] | ||
cydkv5 | After WW2, Hirohito was allowed to remain as a symbolic head, Why? | I read that initially, he wanted peaceful solutions to international problems, but was he actively involved in giving orders to the armed forces during the war? Was his initial hesitancy responsible for the later treatment? Or did the common people of Japan have any attachment with the emperor or the Dynasty? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/cydkv5/after_ww2_hirohito_was_allowed_to_remain_as_a/ | {
"a_id": [
"eyrrqrr"
],
"score": [
3
],
"text": [
"/u/restricteddata previously answered [Why was Emperor Hirohito allowed to keep the throne after Japan's unconditional surrender in WWII?](_URL_1_)\n\n/u/vinco_et_praevaleo previously answered [How did Emperor Hirohito escape trial and death foll... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/5omexl/how_did_emperor_hirohito_escape_trial_and_death/",
"https://www.reddit.com/r/AskHistorians/comments/4wozby/why_was_emperor_hirohito_allowed_to_keep_the/"
]
] | |
d70rvp | why do some batteries puff up? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/d70rvp/eli5why_do_some_batteries_puff_up/ | {
"a_id": [
"f0x1tct"
],
"score": [
2
],
"text": [
"A swollen battery is the result of progressive degradation of the chemicals that generate power. The reaction that pushes electrons through the circuit can't work the way they were designed to, and part of that failure involves *outgassing,* or t... | [] | [] | [
[]
] | ||
vnd2t | Is there a certain configuration for a wifi router's antennas to give better reception? | I am not 2 rooms away from my wifi router and I only get 2/5 bars. I have my wireless Rx on my wall and the router itself is also up high, however it is not on the wall. Is there a certain way that I can angle the antennas to give me better reception?
| askscience | http://www.reddit.com/r/askscience/comments/vnd2t/is_there_a_certain_configuration_for_a_wifi/ | {
"a_id": [
"c5603ya"
],
"score": [
3
],
"text": [
"You want to set up antennas perpendicular to the direction of motion of the signal. So, if you're in the room next door, you would want the antenna to be vertical. If your router was in the basement and you wanted signal directly above it on th... | [] | [] | [
[]
] | |
1mwg90 | How does sound pass though objects, but light (mostly) cant? | askscience | http://www.reddit.com/r/askscience/comments/1mwg90/how_does_sound_pass_though_objects_but_light/ | {
"a_id": [
"ccdcuaz"
],
"score": [
16
],
"text": [
"Sound waves are a series of uncompressed and compressed molecules. When you slam your book on your table, the molecules of the book pushes the table surface molecules down, which gets them pretty close to the next set of molecules. The first gro... | [] | [] | [
[]
] |
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