q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
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9mv309 | How does conservation of absolute vorticity lead to Western Intensification of ocean currents? | I have been trying to put this together in my head for a while but just can't. I sort of understand how voracity needs to be conserved, but I'm not entirely sure why the result of this need for conservation is Western Boundary Currents with high current shear and friction with the "western boundary" and Eastern bounda... | askscience | https://www.reddit.com/r/askscience/comments/9mv309/how_does_conservation_of_absolute_vorticity_lead/ | {
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"This is easier to explain with equations, but I'll give it a shot with text. \n\nConsider looking vertically down a parcel of ocean water from space. If it's stationary with respect to the Earth, it will be rotating due to the planet's rotation.... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Sverdrup_balance"
]
] | |
148v5f | Is it fair to attribute the break up of India (into India, Pakistan and Bangladesh) to British Colonialism? | I recently wrote a paper with this as one of my arguments, but I'd love to see what others have to say!
Basically, the argument was that the British treated the North and South of India differently during colonialism. The ports were in the South, so the British were far more interested and involved in that area, which... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/148v5f/is_it_fair_to_attribute_the_break_up_of_india/ | {
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"text": [
"Not at all, India was never considered a single political/cultural entity before British Colonialism.",
"I thought that Gandhi and Mashriqi decided that Hindus and Muslims could not live in harmony... | [] | [] | [
[],
[],
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] | |
9yik9v | Can someone give me any information about this coin i found in the mediterranean sea? | [deleted] | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/9yik9v/can_someone_give_me_any_information_about_this/ | {
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"_URL_0_\n\nRather close match. Coin series was being minted from 1941 to 1959. Any close up shot, just in case there's a mint letter hiding in there? You sure it's aluminium?\n\n[Edit: Clarification on minting run vs. existence...language]."
]
... | [] | [] | [
[
"https://en.numista.com/catalogue/pieces708.html"
]
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1mo1u2 | why is piracy bad but borrowing stuff from libraries ok? | I mean, I guess authors/movie studios get one sale, but they seem like the same thing to me. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1mo1u2/eli5_why_is_piracy_bad_but_borrowing_stuff_from/ | {
"a_id": [
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"text": [
"When you borrow stuff from libraries, there exists still solely one copy, and one use at a time. So, if an item is in high demand, more copies must be acquired, with attendant license and possible payments to the copyright h... | [] | [] | [
[],
[]
] | |
51fghu | is it naturally possible to increase or decrease your metabolism? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/51fghu/eli5_is_it_naturally_possible_to_increase_or/ | {
"a_id": [
"d7bjoh6",
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"score": [
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"text": [
"Totally possible. \n\nMuscle cells, even when completely at rest, require more calories to maintain themselves than do fat cells. Therefore, if you increase the ratio of muscle cells to fat cells (ie: workout regularly), yo... | [] | [] | [
[],
[]
] | ||
2y7bu0 | Could we/do we use the radiation in space to power spaceships in any way? | askscience | http://www.reddit.com/r/askscience/comments/2y7bu0/could_wedo_we_use_the_radiation_in_space_to_power/ | {
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"text": [
"We use solar panels to capture energy from the sun. Solar sails can work too using radiation pressure. ",
"\"Radiation\" is a very broad term. Other responses have already des... | [] | [] | [
[],
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"http://en.wikipedia.org/wiki/Solar_particle_event",
"http://en.wikipedia.org/wiki/Cosmic_ray",
"http://en.wikipedia.org/wiki/Electric_sail"
],
[],
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] | ||
2ec4z2 | How can new diseases spontaneously appear without precedent in human history? | Like Ebola, how could it just appear in 1976? Or the related disease marburg, how would it appear on two different continents around the same time? | askscience | http://www.reddit.com/r/askscience/comments/2ec4z2/how_can_new_diseases_spontaneously_appear_without/ | {
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"text": [
"There are many diseases that never infect humans. There are also many bacteria that exist throughout the population, but are not harmful in any way. Occasionally, a disease that af... | [] | [] | [
[],
[
"http://www.cdc.gov/media/releases/2014/p0717-chikungunya.html"
],
[],
[]
] | |
1sia5l | how would a state go about seceding from the united states? | I know about the Civil War and the outcomes for the South. I'm curious about the process itself. Just declare war and wait for the federal government to intervene? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1sia5l/eli5_how_would_a_state_go_about_seceding_from_the/ | {
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"Declare war and win. :3\n... | [] | [] | [
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4gcd3j | Would it be accurate to claim that Germany is the reason that Great Britain & France became allies? | England & France have not always been besties. We all know it. However, I was always curious what changed in the late 1800s/early 1900s where over hundreds of years of prior conflict became a strong alliance in 2 world wars, as well as in founding the EU, being part of NATO/UN, etc. Point is, I've recently heard in ... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4gcd3j/would_it_be_accurate_to_claim_that_germany_is_the/ | {
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"text": [
"Germany is certainly a large slice of the pie yes, but there is a lot of water under the bridge by the time the first world war comes around.\n\nBy the turn of the 19th/20th centuries, Britain was long established as the dominant world power, mos... | [] | [] | [
[]
] | |
1q4e65 | celibacy syndrome in japan? (if it is really happening, if not; eli5: japanese sexuality) | I've received a lot of mixed opinions on this subject and I'd really like to have it explained to me in a little more detail and with some more reading. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1q4e65/eli5_celibacy_syndrome_in_japan_if_it_is_really/ | {
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"score": [
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"text": [
"Here's a good article about it: _URL_0_\n\nIn short, yes Japan has ... | [] | [] | [
[
"http://www.independent.co.uk/voices/comment/sex-myths-without-substance-mislabelling-japan-8911325.html"
],
[],
[],
[],
[],
[],
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"http://www.theguardian.com/world/2013/oct/20/young-people-japan-stopped-having-sex"
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1m4rnw | [Astronomy] Planet Orbits Between Equidistant Binary Stars? | Could a planet orbit theoretically orbit two equidistant binary stars in a figure 8 pattern?
My friend and I had a discussion. I said that the tidal forces at the inflection point would be so great it might rip the planet in two. He of course disagrees and says that it might just make that time when all gravity would... | askscience | http://www.reddit.com/r/askscience/comments/1m4rnw/astronomy_planet_orbits_between_equidistant/ | {
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"No. Such an orbit would not be stable (given any small perturbation, the planet would drift out of that orbit - and either end up orbiting one of the stars, up close, or orbiting both of the stars far away). It doesn't hav... | [] | [] | [
[
"http://saoastronews.files.wordpress.com/2011/09/kepler16orbit.gif",
"http://images.spaceref.com/news/2002/10.09.02.d_orbits.jpg",
"http://en.wikipedia.org/wiki/Lagrangian_point",
"http://adsabs.harvard.edu/abs/1999AJ....117..621H"
],
[
"http://physics.stackexchange.com/questions/31201/mig... | |
eqk5z0 | when you eat something and you get diarrhea immediately after, do you digest the calories in the food or is it pooped out? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/eqk5z0/eli5_when_you_eat_something_and_you_get_diarrhea/ | {
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"If you get diarrhoea immediately after, it’s probably from the previous meal.\n\nThe body doesn’t want you getting poisoned, and the first line of defence is throwing up what you just ate.\n\nIf the ba... | [] | [] | [
[],
[],
[]
] | |
3ikjzw | how come when a police department is accused of wrong doing in a case they investigate it? shouldn't some other department do it? | Shouldn't a nearby police department investigate or something? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3ikjzw/eli5_how_come_when_a_police_department_is_accused/ | {
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"They probably should, but the logistics behind having a division devoted solely to policing nearby police departments just don't work out. Having to have your cops go elsewhere and investigate another department's affairs is difficult, and takes ... | [] | [] | [
[]
] | |
27le2n | If I stick two identical magnets together, do their powers combine into a single magnet that's twice as strong? | I was just playing with some magnets this afternoon and I wondered...
EDIT: Thanks to everyone for your interesting and detailed answers! | askscience | http://www.reddit.com/r/askscience/comments/27le2n/if_i_stick_two_identical_magnets_together_do/ | {
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"In the ideal situation, the resulting magnet is just as strong as the ones you began with, not twice as strong.\nThe way a magnet works is with dipoles. Every atom has a cloud of electrons that is normally centered around th... | [] | [] | [
[],
[]
] | |
42q1kk | how do red light cameras know not to snap a picture when you can make a right turn on a red light? | I recently noticed a red light camera sign at an intersection I travel through daily. I make a right turn on a red 50% of the time all legal but how does the camera know? Or is it simply not angled at the right hand turn. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/42q1kk/eli5_how_do_red_light_cameras_know_not_to_snap_a/ | {
"a_id": [
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"score": [
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"text": [
"They give you \"clearance\" to make that turn without a ticket once they detect your speed has dropped to zero within an assigned zone. If you just rolled through without stopping you'd get a ticket."
]
} | [] | [] | [
[]
] | |
2ynifu | what does the letter from 47 u.s. senators to iran mean, and why are some saying it's treason? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ynifu/eli5_what_does_the_letter_from_47_us_senators_to/ | {
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"text": [
"The 47 Republican Senators sent a letter to Iran basically saying that any deal they make with Obama (with respect to Iran's nuclear program) will basically be ignored by congress and that those Senat... | [] | [] | [
[],
[],
[]
] | ||
5emleq | why, when presented with information contrary to their belief, do people tend to become more steadfast in their belief? | *_trump supporters_* /s | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5emleq/eli5_why_when_presented_with_information_contrary/ | {
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"text": [
"Identity formation. Your beliefs and opinions are part of that. Challenging your beliefs is challenging the you which you recognize yourself as.\n\nIt is changing you. And that is ... | [] | [] | [
[],
[],
[],
[]
] | |
2h7a34 | I've heard algae produces the most oxygen for our planet but what is the best producer of oxygen in a scale of efficiency? | Is it still algae or do other plants actually produce oxygen at a better rate per cubic inch? | askscience | http://www.reddit.com/r/askscience/comments/2h7a34/ive_heard_algae_produces_the_most_oxygen_for_our/ | {
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"Algae are by far the most efficient, and what you are looking for here is photosynthetic efficiency. I believe one of the most efficient O₂ producing plants is sugar cane, which has around a 7% efficiency. Algae, on the other hand, can get up to ... | [] | [] | [
[]
] | |
cn1ye2 | why does styrofoam squeaking give me the chills? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/cn1ye2/eli5_why_does_styrofoam_squeaking_give_me_the/ | {
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"text": [
"My girlfriend has something similar. She says it's sensory processing disorder, where you hear, see, or taste something and your brain over processes it and can be uncomfortable.",
"The styrofoam sound, nails on chalkbo... | [] | [] | [
[],
[]
] | ||
1xyo5y | why do people put "an" before words beginning with h? | I understand that in America certain H words aren't pronounced the same (Herbs) but I see "an history" or "an historical" often and other words, is this the explanation or is there more to it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1xyo5y/eli5_why_do_people_put_an_before_words_beginning/ | {
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"text": [
"It is an artifact of language related to the soft h -- it is common to all the words that receive the treatment normally reserved for vowels.\n\nUnfortunately, there's no good ans... | [] | [] | [
[],
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14harw | how harmful are x-rays, and if harmful, why do dentists x-ray annually? thank you. | ELI5, kindly | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/14harw/how_harmful_are_xrays_and_if_harmful_why_do/ | {
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"text": [
"Mod from r/Dentistry, here. Please refer to the xkcd radiation chart posted by x2mike2x. A full-mouth series of dental radiographs is about equivalent to the background radiation you are exposed to standing outside for mayb... | [] | [] | [
[],
[]
] | |
25nmcu | Why did the people of the Indus Valley Civilization use symbols instead of writing? | It seems that for a society to prosper, a real writing system is necessary. Is the Indus Civilization the only exception? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/25nmcu/why_did_the_people_of_the_indus_valley/ | {
"a_id": [
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"text": [
"Hello,\n\nSo I would like to tease out what you're looking at in this question because I saw this and it was a little confusing to me. From what you're asking, you don't see symbols as a form of writing but linguistics would disagree with it. A s... | [] | [] | [
[]
] | |
56vjp7 | why does google market pixel phone as verizon exclusive when it's not? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/56vjp7/eli5_why_does_google_market_pixel_phone_as/ | {
"a_id": [
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"text": [
"Verizon probably paid them for the privilege of it being the only US carrier to directly carry or market the phone. This is pretty common to give very good deals for types of exclusivity of a product."
]
} | [] | [] | [
[]
] | ||
1digj9 | If a pistol shrimp were to use his "Hand gun" on me.. would i even feel it.. or it would sting.. or.. leave a mark? | askscience | http://www.reddit.com/r/askscience/comments/1digj9/if_a_pistol_shrimp_were_to_use_his_hand_gun_on_me/ | {
"a_id": [
"c9qodxk"
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"score": [
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"text": [
"It would be pretty painful. It can break small glass objects, but not aquarium's glass tanks.\n\nThey're not as powerful as a mantis shrimp which can break aquariums (and literally split your finger open)."
]
} | [] | [] | [
[]
] | ||
az0zdp | why is it nearly impossibly to revive a person after their heart stops beating? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/az0zdp/eli5_why_is_it_nearly_impossibly_to_revive_a/ | {
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"text": [
"It's not nearly impossible if revival procedures are initiated *very* shortly after the heart has stopped. But every second that goes by decreases the person's chances of being revived. While the heart isn't beating, oxygen... | [] | [] | [
[],
[]
] | ||
1x7dpu | why am i sometimes exhausted in a dream? | Sometimes I find myself (of course unaware) in a dream and the simplest tasks are nearly impossible to do because I'm so exhausted. ie: walking, or picking up something small. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1x7dpu/eli5why_am_i_sometimes_exhausted_in_a_dream/ | {
"a_id": [
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"score": [
3,
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"text": [
" It happens to me too... I like to think that, in reality, I'm actually trying to perform those actions, but I'm blocked by the sheets/ my body position.",
"hm. i used to have this happen when fighting in a dream, id fee... | [] | [] | [
[],
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] | |
284bco | what do those "work from home" spams actually get people to do? | I'm curious, I see those ads and get the spam all the time, just not curious enough to actually click one.
Work from home and get blah blah money for blah blah time.
What actually happens if you click on them?
does it install malware? Do they employ people to launder money? Write fake Amazon reviews?
Did a search, cou... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/284bco/eli5what_do_those_work_from_home_spams_actually/ | {
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"text": [
"Some are money order scams, others want you to buy the thing that will help you make money.",
"Some of them get people to pay money to buy in, before prov... | [] | [] | [
[],
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4jv1gt | Is degeneracy pressure a non-local phenomenon? | When you cool and compress a collection of fermions, you will reach a point where it is not possible to compress the fermions further. This is due to the Pauli Exclusion Principle, which in turn is traceable the spin-statistics connection, i.e. the fact that what spin a particle has determines which type of statistics ... | askscience | https://www.reddit.com/r/askscience/comments/4jv1gt/is_degeneracy_pressure_a_nonlocal_phenomenon/ | {
"a_id": [
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"score": [
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"text": [
"The Pauli exclusion principle is derived in the nonrelativistic limit, as it assumes:\n\n* that no particle creation/destruction occurs at all, so that the system can be described by an n-fermion wavefunction\n* that there is a fixed background p... | [] | [] | [
[]
] | |
49e28k | What does the reaction triggered by the gold rush say about the american character? | Hello, Historians, I hope you are having a good day!
I have been looking into what has made the United States the most successful country in the world, focusing on the psychological aspect. There is obviously something very different about Americans which has caused the nation to become the center of the world in alm... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/49e28k/what_does_the_reaction_triggered_by_the_gold_rush/ | {
"a_id": [
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"It is with good reason that the title of the classic work on the California Gold Rush, [The World Rushed In](_URL_0_) by J. S. Holliday (1981), made reference to the entire world. A fair number of the roughly 150k who came to California with the ... | [] | [
"http://www.pewresearch.org/fact-tank/2015/03/12/how-do-americans-stand-out-from-the-rest-of-the-world/"
] | [
[
"http://www.amazon.com/The-World-Rushed-California-Experience/dp/080613464X"
]
] | |
4vgn06 | if the world is improving in almost all aspects of daily life in general, then why is mental illness, or specifically depression on rise and higher than ever? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4vgn06/eli5_if_the_world_is_improving_in_almost_all/ | {
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2,
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"text": [
"Well, first of, though the world is improving in general, that doesn't mean it has to be improving for everybody (for example, if new technology becomes avai... | [] | [] | [
[],
[],
[],
[
"http://www.healthline.com/health/depression/statistics-infographic",
"http://www.science20.com/florilegium/too_many_people_misdiagnosed_depression_blame_criteria_or_doctors"
],
[]
] | ||
y8ax6 | Are there any molecules that are big enough to see with the naked eye? Any that are not polymers? | askscience | http://www.reddit.com/r/askscience/comments/y8ax6/are_there_any_molecules_that_are_big_enough_to/ | {
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"score": [
3,
16,
3
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"text": [
"Do you consider crystals molecules?",
"Crystals are really just very big molecules, so a perfect diamond would be one example of a molecule that can be seen with the naked eye. \n\nDNA is also pret... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/Carbon_nanotube",
"http://physicsworld.com/cws/article/news/2008/aug/08/carbon-nanotubes-but-without-the-nano"
]
] | ||
12wy3j | What's the exact significance of the Acts of Union with Ireland? What was different about them? | I'm pretty good with 20th century Irish history, but I get lost any further back, and I have yet to find a really good survey history. I'm writing a paper on modern-day Irish politics and I keep reaching back into history to provide context - too much context is better than no context, right?
So if I'm understanding ... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/12wy3j/whats_the_exact_significance_of_the_acts_of_union/ | {
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"text": [
"The first thing to understand is a distinction between 'personal union' and formal union. Personal union is when two distinct legal states share the same monarch-- England/Scotland from 1603-1707 or England/Ireland 1542-1800. In a personal unio... | [] | [] | [
[]
] | |
1as2px | Does stomach size really affect how often one becomes hungry? | As I've been losing weight, I've been told that as my appetite reduces, my stomach (the organ) "shrinks". This seems in line with how the procedure of "stomach stapling" works - the smaller the stomach, the more quickly one becomes "full."
But i can't find any information on how or why the physical volume of the stoma... | askscience | http://www.reddit.com/r/askscience/comments/1as2px/does_stomach_size_really_affect_how_often_one/ | {
"a_id": [
"c9139k6"
],
"score": [
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"text": [
"Visceral/autonomic nerves, which function as stretch receptors, line the wall of the stomach. As food enters into the stomach, the stomach wall expands due to the food taking up space. The stretching of the stomach wall causes these nerves to beg... | [] | [] | [
[]
] | |
9657wc | I've read that semen glows under a black light due to the chemicals within it, but are those chemicals within the sperm themselves, or the rest of the ejaculate? | Would semen without sperm still glow? | askscience | https://www.reddit.com/r/askscience/comments/9657wc/ive_read_that_semen_glows_under_a_black_light_due/ | {
"a_id": [
"e3ymbiv",
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"score": [
5,
4
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"text": [
"it's likely the rest of the ejaculate, probably mostly the phosphates the prostate produces. \n\nI believe this to be true because men with a vasectomy would have non flourescent semen otherwise, and I don't think there's a... | [] | [] | [
[],
[
"https://www.ncbi.nlm.nih.gov/pubmed/1030920",
"https://pubs.acs.org/doi/abs/10.1021/ja102800r"
]
] | |
64jk0h | why is a telecom/isp selling your usage information any worse than reddit doing so? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/64jk0h/eli5_why_is_a_telecomisp_selling_your_usage/ | {
"a_id": [
"dg2l0pu",
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"score": [
7,
3
],
"text": [
"I don't have to go to reddit. If I want internet, I have to buy it from someone who is then going to sell my information",
"Instead of the internet pretend you're sending information via the post office. You agree to cor... | [] | [] | [
[],
[]
] | ||
fbveny | Why is Henry IV not considered a Plantagenet? | In the preface to The Plantagenets: Warrior Kings and Queens who made England, Dan Jones states that the Plantagenets ruled from Henry the II to Richard II's deposition by Henry Bolingbroke (Henry IV). But afaik, Henry IV and Richard II were both descended from Edward III who himself descended from King John and, conse... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/fbveny/why_is_henry_iv_not_considered_a_plantagenet/ | {
"a_id": [
"fj9qf6z"
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"score": [
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"text": [
"Quite simply, he often is. I remember watching Dan Jones's TV series that the book was a companion to. I also sort of disagreed with him calling the death of Richard II the end of the dynasty (in fact I wouldn't be surprised if he disagrees with ... | [] | [] | [
[]
] | |
1kvxdm | Does much UV pass through glass? | I have heard a lot said either way. That said my mother is a lab tech and says they can not use glass slides when using UV light to look at a specimen.
So I assume some gets through, and some doesn't, but is there a good answer to this question? | askscience | http://www.reddit.com/r/askscience/comments/1kvxdm/does_much_uv_pass_through_glass/ | {
"a_id": [
"cbt4oxk"
],
"score": [
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"text": [
"The short answer is that it depends on the glass and it depends on what wavelengths you're interested in.\n\nOptical Glass has a cutoff pretty much right at the edge of the visible spectrum (like probably about 300 nm), but something like fused s... | [] | [] | [
[]
] | |
4ojp8w | Can someone explain bernoulli's principle? | I am supposed to use it for a project but I can only find complex explanations. Not sure if this is the correct subreddit. | askscience | https://www.reddit.com/r/askscience/comments/4ojp8w/can_someone_explain_bernoullis_principle/ | {
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2,
2,
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"text": [
"It's the principle in hydrodynamics that says an increase in the velocity of a stream of fluid results in a decrease in pressure. One of its most common and ... | [] | [] | [
[
"https://upload.wikimedia.org/wikipedia/commons/2/2d/Equal_transit-time_NASA_wrong1.gif"
],
[],
[],
[],
[]
] | |
3e1s3o | How are the "mathematical definitions" images on the Voyager spacecrafts' Golden Records to be interpreted? | According to [JPL's website](_URL_0_), the famous golden records contain [this image](_URL_1_). However 5 + 2/3 is not 5*2/3, so how is that line supposed to be understood? | askscience | http://www.reddit.com/r/askscience/comments/3e1s3o/how_are_the_mathematical_definitions_images_on/ | {
"a_id": [
"ctapi3c"
],
"score": [
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"text": [
"The relevant line says \"5 + 2/3 = 5 2/3\", which expresses the fact that we concatenate integers and fractions to represent their sum.\n\nIt is a bit confusing, I suppose, because when we write a variable next to a number or another variable, mu... | [] | [
"http://voyager.jpl.nasa.gov/spacecraft/scenes.html",
"http://voyager.jpl.nasa.gov/spacecraft/images/image003.gif"
] | [
[]
] | |
3xqk2x | why would companies prefer to hire multiple 20hr employees over 1 40hr employee? | EX I have seen posts for openings for a position that traditionally has 40 hrs/week available but only have (multiple) 20hr positions for the same job.
**Edit**
Wow thanks for the quick replies. That really makes a lot of sense now that you all mention it. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3xqk2x/eli5_why_would_companies_prefer_to_hire_multiple/ | {
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"text": [
"Part time vs full time \n\nAvoid benefits and other taxes/ such?",
"No need to pay insurance and benefits, and also scheduling flexibility. Most places that do that are custome... | [] | [] | [
[],
[],
[],
[]
] | |
2vtx2m | is there a scientific explanation for falling in love with one person, but not with another? | So i got broken up with today (stay with me, story is important. Im 27F, he's 36M and divorced). We had been dating for 5 months, i met his parents, family. He broke up with me bc he's not in love with me. He is a great person, i still believe so and he has always treated me with upmost respect. I believe he wouldn't l... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2vtx2m/eli5_is_there_a_scientific_explanation_for/ | {
"a_id": [
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"score": [
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"text": [
"I was waiting for someone to comment with a good answer since i cant provide one but since I've experienced this exact same thing I understand how painful it is for it to end so abruptly. I for the longest time could not fig... | [] | [] | [
[],
[]
] | |
atr041 | Why all of the world's highest mountains are in South Asia? | askscience | https://www.reddit.com/r/askscience/comments/atr041/why_all_of_the_worlds_highest_mountains_are_in/ | {
"a_id": [
"eh3p36f"
],
"score": [
17
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"text": [
"All of these mountains are associated with the collision between the Indian and Eurasian plates. In general, the majority of high topography on Earth is associated with collision / convergence between tectonic plates, either presently (e.g. the ... | [] | [] | [
[
"https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2010JB008051",
"http://tectonics.caltech.edu/publications/pdf/BettinelliJGEOD2006.pdf",
"https://link.springer.com/content/pdf/10.1007%2Fs00190-011-0444-4.pdf"
]
] | ||
1f04mn | Did contemporary listeners consider different genres within what we call "classical" music? If so, what distinguished them from each other? | I'm not necessarily talking about different types of pieces (sonata, symphony, concerto, etc) here since most composers would write a variety of things throughout their careers. But, for example, Pachelbel doesn't really sound very similar to Mozart, although we consider them both classical musicians. Would they have b... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1f04mn/did_contemporary_listeners_consider_different/ | {
"a_id": [
"ca5jz3x"
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"score": [
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"text": [
"The answer is a yes and no I suppose. One thing to note is that 'musicologists' didn't exist at the time, Charles Burney might be the first guy I'd consider a musicologist for that time period, and he was a music historian too. (If you're keen, ... | [] | [] | [
[
"http://www.youtube.com/watch?v=BTWBieDvZb8",
"http://www.youtube.com/watch?v=Rzn4R7FtRIA",
"http://www.youtube.com/watch?v=jZL3POaATn8"
]
] | |
4u38rp | would living on a constantly moving elevator be comparable to living with another planets gravity? | When riding on an elevator moving upwards it feels like there is extra gravity on me, and it is harder to move. How comparable is this is this to living on a planet with different gravity | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4u38rp/eli5_would_living_on_a_constantly_moving_elevator/ | {
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"score": [
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"text": [
"Yes and no. You would need to keep accelerating to keep simulating a \"pushing\" force. You'll notice that when ... | [] | [] | [
[],
[],
[
"https://pixabay.com/static/uploads/photo/2015/08/13/16/34/theme-park-887219_960_720.jpg"
],
[],
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uuuy3 | Why do people have an urge to cover painful areas with their palms in the event of injury or trauma? | I always wonder the reason why people have the instant urge to put palms on injured or traumatized areas. Think of being punched in the stomach or face, getting a cut or a stuck finger. What might be the smoothing effect of applying a little pressure on traumatized areas? Even as an engineer who values scientific facts... | askscience | http://www.reddit.com/r/askscience/comments/uuuy3/why_do_people_have_an_urge_to_cover_painful_areas/ | {
"a_id": [
"c4yr2jj"
],
"score": [
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],
"text": [
"This is actually explained by the 'gate control theory' of pain sensation. Basically, pain is transmitted by different nerve fibers than pressure sensation (A-delta and C fibers instead of A-beta). When you stimulate the touch fibers, they actua... | [] | [] | [
[]
] | |
ryum4 | Will the merger of galaxies extend the period in which life is possible to form? | Do astronomers know for sure whether or not most of the mass will be ejected in the "collision" of Andromeda and the Milky Way? If they retain most of the matter, will there be a longer period of new star formation than if both galaxies had been separate and without pooled resources?
Are the distances too vast to make... | askscience | http://www.reddit.com/r/askscience/comments/ryum4/will_the_merger_of_galaxies_extend_the_period_in/ | {
"a_id": [
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"score": [
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"text": [
"The general consensus is that the collision of the gaseous envelopes of the Milky Way and Andromeda galaxies, as well as their various satellite galaxies, will usher in a renaissance of star-birth. Most of the mass, gaseous, stellar, and dust ali... | [] | [] | [
[]
] | |
gv7fu | Why do pipes sometimes "resonate" and create a loud hum when I turn on the faucet a certain way? | I can't really think of any mechanism that would cause this, but fluid dynamics are not my strong point. | askscience | http://www.reddit.com/r/askscience/comments/gv7fu/why_do_pipes_sometimes_resonate_and_create_a_loud/ | {
"a_id": [
"c1qj9ui",
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"score": [
73,
4,
2
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"text": [
"A direct application of my thesis work?\n\nI'm going to have to email this thread to my mom who can never understand what I do.\n\n\nAnyway....\n\nWhen water forms a free surface, waves form on the sur... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Kelvin%E2%80%93Helmholtz_instability",
"http://en.wikipedia.org/wiki/Plateau-Rayleigh_instability"
],
[],
[]
] | |
1zr4lr | why is human euthanasia considered unethical in cases where competent individuals exhaust all possibilities of recovery, and explicitly request to end their lives on their own terms? | What is the reasoning behind government refusal to allow people to die with as little suffering as possible, especially when there is absolutely no chance of recovery? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1zr4lr/eli5why_is_human_euthanasia_considered_unethical/ | {
"a_id": [
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"score": [
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3
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"text": [
"Because actively ending a life is defined and governed differently than passively ending one through care withdrawal. One is seen as allowing the natural order to take over, the other is seen, while not the same, as similar ... | [] | [] | [
[],
[]
] | |
5wy2bt | does the human brain keep evolving? if so, how? if not, when in our history did it stop evolving? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5wy2bt/eli5_does_the_human_brain_keep_evolving_if_so_how/ | {
"a_id": [
"dedp3dl",
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"score": [
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4
],
"text": [
"Yes, it is still evolving. Evolution are simply heritable changes that are passed down, which can occur through a variety of causes, not least of which are errors in copying that occur. However, these are not guaranteed to b... | [] | [] | [
[],
[
"http://evolution.berkeley.edu/evolibrary/misconceptions_faq.php#b6"
]
] | ||
6jtoyy | why do emotions trigger certain chemicals in our brain? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6jtoyy/eli5_why_do_emotions_trigger_certain_chemicals_in/ | {
"a_id": [
"djh2o0j",
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"score": [
2,
5
],
"text": [
"Well, being that we are organic life forms, our entire bodies are made of chemicals, and all of our experiences are due essentially to chemicals in your brain, at least if you take the materialist view. Without getting into ... | [] | [] | [
[],
[]
] | ||
341lz2 | how video game publishers and developers justify what is clearly a horrible decision? | In the past few years, I've noticed that game developers and/or publishers have been making clearly bad decisions. A few prominent examples include the Xbox One fiasco of strict online requirements, Ubisoft releasing what I'd easily considered an unfinished game, and the recently famous decision by bethesda and valve ... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/341lz2/eli5_how_video_game_publishers_and_developers/ | {
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"score": [
2,
2,
3,
3
],
"text": [
"For that matter, why do software companies make bad design decisions? There's an example floating on the front page via /r/mildlyinfuriating . I'll attach the link in an edit.\n\n... | [] | [] | [
[
"http://i.imgur.com/NwMcOy3.jpg"
],
[],
[],
[]
] | |
29zmnb | do heart transplant patients need to be of the same blood type as the donor? | Or does the heart change the blood type of the recipient, or does the heart begin making the same type of blood as the recipient? Or something else? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/29zmnb/eli5_do_heart_transplant_patients_need_to_be_of/ | {
"a_id": [
"ciq1r8x",
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"score": [
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"text": [
"The heart doesn't make blood. It just pumps it around. Bone marrow is what makes blood.",
"As others pointed out the heart does not make the blood, that's the bone marrow. But the blood type for a heart transplant need... | [] | [] | [
[],
[]
] | |
9l22e4 | how does a fit bit know when you are asleep and what stage of sleep you are in? how accurate is it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9l22e4/eli5_how_does_a_fit_bit_know_when_you_are_asleep/ | {
"a_id": [
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"e74aapm",
"e74b2sp",
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"score": [
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5,
3,
18,
4,
97,
3,
31,
8,
136,
... | [] | [] | [
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[],
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"https://www.ncbi.nlm.nih.gov/pubmed/25991187"
],
[],
[],
[],
[],
[
"https://www.lifewire.com/fitbit-sleep-stages-4140333"
]
] | ||
piysi | the arguments against "guns, germs, and steel" | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/piysi/eli5_the_arguments_against_guns_germs_and_steel/ | {
"a_id": [
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"score": [
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9,
23
],
"text": [
"Every one I've ever seen has been either:\nA) a slight nuance to add to something in the book (it isn't perfect of course)\nB) an argument that is actually addressed in the book itself, indicating tha... | [] | [] | [
[],
[],
[]
] | ||
29bcjk | Will we ever be able to travel to Andromeda? | The thread about the hubble telescope has me thinking about travel between galaxies.
I realise were still only on the cusp of being able to have manned missions to Mars but given current trends and technological improvements, would we ever achieve this? | askscience | http://www.reddit.com/r/askscience/comments/29bcjk/will_we_ever_be_able_to_travel_to_andromeda/ | {
"a_id": [
"cijboy3",
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"score": [
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2,
3
],
"text": [
"Well, if we believe Einstein, then we can never travel faster than the speed of light. Assuming that someday we can achieve speed-of-light-travel, it will still take 2.5 *million years* to get there... ... | [] | [] | [
[],
[],
[
"http://en.wikipedia.org/wiki/Andromeda%E2%80%93Milky_Way_collision"
]
] | |
1z6xsy | why do certain breakfast cereals shred the roof of my mouth, but i can eat tortilla chips and other crunchy things and be fine? | As the title says... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1z6xsy/why_do_certain_breakfast_cereals_shred_the_roof/ | {
"a_id": [
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"score": [
3,
3,
2
],
"text": [
"This definitely isn't a scientific answer, but I have found that when I don't scoop such a large spoonful of cereal every time the roof of my mouth doesn't get \"shredded\". I have just always assumed t... | [] | [] | [
[],
[],
[]
] | |
g0qft6 | how do our lungs get rid of undesirable things? | When stuff we drink "goes down the wrong pipe", when we've had a small buildup of anything in our lungs (such as pus), when we inhale dusty air, our lungs somehow eventually rids itself of some things. How does that happen? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/g0qft6/eli5_how_do_our_lungs_get_rid_of_undesirable/ | {
"a_id": [
"fncqb5a"
],
"score": [
2
],
"text": [
"Our lungs are lined with little hairs (\"cilia\") that wriggle together like the wave in a sports stadium. The wave pushes the phlegm in the lungs and anything embedded in it up to where it can be coughed out.\n\nSmoking screws up the little hair... | [] | [] | [
[]
] | |
dkqubu | Was there a debate when renaming Leningrad? | Like the question asks, was there a debate when renaming Leningrad? Why was St. Petersburg chosen over Petrograd? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/dkqubu/was_there_a_debate_when_renaming_leningrad/ | {
"a_id": [
"f4jkc95"
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"score": [
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"text": [
"The name change was undertaken by the Mayor of the city i. 1991 after a nonbinding referendum vote was held. I wrote a bit more about the circumstances of that name change [here](_URL_0_)."
]
} | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/9d5tyj/why_was_leningrad_renamed_st_petersburg_but_the/e5g1zuv/"
]
] | |
1lj7mu | how is the uk a country and there are countries inside of it? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1lj7mu/eli5_how_is_the_uk_a_country_and_there_are/ | {
"a_id": [
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"score": [
10,
3,
3
],
"text": [
"The United Kingdom isn't a country but it is a sovereign state made up of several countries.\n\nThe countries within actually are fairly different similar to the states that make up the USA having diff... | [] | [] | [
[],
[],
[
"http://www.youtube.com/watch?v=rNu8XDBSn10"
]
] | ||
1plbls | What "motivated" soldiers in WWI to go over the top? | I did a quick search to see if this had been asked before, and I believe it hasn't, but please feel free to direct me to another thread.
I would like to know why soldiers in WWI kept going over the top, especially in the trench warfare of the Western Front.
However, I don't mean why, in the tactical / strategic sens... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1plbls/what_motivated_soldiers_in_wwi_to_go_over_the_top/ | {
"a_id": [
"cd3jeem",
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"score": [
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4
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"text": [
"It's super late so this won't be a long answer. This is also based off of all of the military history I've read, as the reasons seem to be universal throughout all wars (more or less). \n\nthe general reason seems to be tha... | [] | [] | [
[],
[]
] | |
bns8w7 | AskHistorians Podcast 136 - Clothing, Status, and Race in Colonial Lima w/Professor Tamara Walker | [**Episode 136 is up!**](_URL_10_)
The [AskHistorians Podcast](_URL_6_) is a project that highlights the users and answers that have helped make r/AskHistorians one of the largest history discussion forums on the internet. You can subscribe to us via [iTunes](_URL_0_), [Stitcher](_URL_9_), or [RSS](_URL_3_), and now o... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/bns8w7/askhistorians_podcast_136_clothing_status_and/ | {
"a_id": [
"enicgxr",
"eo686wz"
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"score": [
4,
3
],
"text": [
"Just to say that the topic and book look fascinating, I'm really looking forward to listening to this.",
"Very cool episode. It really got me thinking about all the ways we use clothing today to indicate subculture affil... | [] | [
"https://itunes.apple.com/us/podcast/the-askhistorians-podcast/id812302476?mt=2&ign-mpt=uo%3D8",
"https://www.youtube.com/channel/UCJudPwztZyg2BQjhetw_bww",
"https://soundcloud.com/user679855208",
"http://askhistorians.libsyn.com/rss",
... | [
[],
[]
] | |
3tyehr | What main factors led to Islam spreading rapidly after Mohammed's death? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/3tyehr/what_main_factors_led_to_islam_spreading_rapidly/ | {
"a_id": [
"cxafseh"
],
"score": [
76
],
"text": [
"Islam itself did not spread rapidly after Muhammad's death, as regions such as Egypt would not become majority Muslim until centuries later. The political movement that coalesced around Muhammad did achieve a flurry of major military victories o... | [] | [] | [
[]
] | ||
4vfj24 | what would happen if i try to throw up in space? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4vfj24/eli5_what_would_happen_if_i_try_to_throw_up_in/ | {
"a_id": [
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"text": [
"Vomit is expelled by muscle action which isn't dependent upon gravity. You would spew normally enough and it would float away."
]
} | [] | [] | [
[]
] | ||
sgcj6 | In what way did the advent of machine gun style artillery change how battles were fought? | What were some of the first strategies when it became clear that large groups from each side facing each other on the field was foolhardy thanks to the development of rapid fire artillery weapons?
A basic overview from someone would be fabulous, but more importantly, are there some specific battles or military leaders... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/sgcj6/in_what_way_did_the_advent_of_machine_gun_style/ | {
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"It led to trenches. Russo-Japanese war was in many ways a precursor to WWI in terms of warfare tactics.",
"The American Civil War was generally the first war to really incorporate accurate rifles and rapid fire artiller... | [] | [] | [
[],
[]
] | |
4h552q | Did Winston Churchill serve in both a political and military role in WWII? To what extend did he serve both roles during the war? | I know he was prime minister, but I often seeing him wearing a uniform in pictures. Was he also a military commander? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4h552q/did_winston_churchill_serve_in_both_a_political/ | {
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"Churchill was an Honorary Colonel (Air Commodore, etc) of many units and those were the uniforms in which he chose to appear during WW2. Churchill's last military command was the 6th Battalion, Royal Scots Fusiliers, in 1916. Although he exercise... | [] | [] | [
[
"http://www.winstonchurchill.org/publications/finest-hour/39-finest-hour-143/2062-finest-hour-143-summer-2009"
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] | |
aok38v | if ab blood is the universal recipient and let’s say it receives o blood, wouldn’t the a and b antibodies from the o blood destroy the ab blood? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/aok38v/eli5_if_ab_blood_is_the_universal_recipient_and/ | {
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"When a patient receives blood they are really only receiving the red blood cells. Other things like antibodies are filtered out using a centrifuge.",
"Only the plasma contains ... | [] | [] | [
[],
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5wf6rp | why do employers use those "strongly disagree - strongly agree" type surveys with repetitive, reworded questions in applications and what do the results show? | I've been applying for a bunch of jobs recently and have encountered a number of employers who use those lengthy surveys with questions like "I enjoy projects that require little thought" and give you the options Completely Agree/Strongly Agree/Agree/Neutral/Disagree/Strongly Disagree/Completely Disagree and then about... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5wf6rp/eli5why_do_employers_use_those_strongly_disagree/ | {
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"It actually is helpful! It A) makes sure you are reading the question and B) makes sure that they get the answe... | [] | [] | [
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hyppl | Do wind farms slow down the wind? | The kinetic energy from the wind is being converted to electrical energy, so I assume that at least locally to the wind farm, there is a small reduction in wind velocity. Does this mean that if wind farms were installed all over the place, that the overall reduction in the movement of air could affect the weather? | askscience | http://www.reddit.com/r/askscience/comments/hyppl/do_wind_farms_slow_down_the_wind/ | {
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"The law of conservation of energy says that if we generate energy with the wind, we take that energy away from it (and more, via the overhead of generation). The same applies with hydroelectricity.\n\nWhether this affects... | [] | [] | [
[],
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"http://www.pnas.org/content/107/42/17899.abstract?etoc",
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5kaezf | How did Hawaii's current vegetation get there? | Based on my knowledge of how islands are formed (lava escapes through faults in Earth's continental plates, and cools down after contact with water), Hawaii would have been very bare at one point. I am imagining a small island similar to what is in this picture (_URL_0_). My question is, how did Hawaii turn into the lu... | askscience | https://www.reddit.com/r/askscience/comments/5kaezf/how_did_hawaiis_current_vegetation_get_there/ | {
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"Some seeds float, individually or in vegetative rafts. Some seeds can pass through the digestive tracts of birds. I don’t know what the rate of colonization might have been, but even one new species every ten thousand or twenty thousand years ... | [] | [
"https://imgur.com/a/24qZs"
] | [
[]
] | |
3vvr8s | (Genetics) Is there a link between Sex Chromosome DSDs and gender identities? | So we've been going over Sex Chromosome DSDs in my Medical Cytogenetics class and it's made me wonder if such a link exist.I mean there are plenty of reported cases of 46, XX males or Complete androgen Insensitivity Syndrome where 46,XY individuals appear female, and plenty of other examples.
So it got me thinking, w... | askscience | https://www.reddit.com/r/askscience/comments/3vvr8s/genetics_is_there_a_link_between_sex_chromosome/ | {
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"I think cryptic chromosome rearrangements could play a role in gender identity, but I doubt any single genetic feature will determine a person's gender. Here is why.\n\nThere is some weak evidence that there is a genetic component to whether a pe... | [] | [] | [
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"http://www.nature.com/ng/journal/v46/n11/full/ng.3097.html",
"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3402034/pdf/nihms369145.pdf",
"https://en.wikipedia.org/wiki/Pseudohermaphroditism"
]
] | |
2ube4n | how do we learn to recognize emotions that we are feeling ourselves? | So I understand that we learn to recognize outward signs of emotion- like smiling, frowning, crying, etc. Even though we tie those outward signs to emotions, how do we learn to recognize the emotion itself, without the outward sign?
For example, how do we know that we feel "happy" specifically, even if we aren't smil... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2ube4n/eli5_how_do_we_learn_to_recognize_emotions_that/ | {
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"You might get a much better answer via /r/askpsychology as that could be complex. I'd imagine it comes down to learning early on to associate what you were feeling with an emotion via external observation/source."
]
} | [] | [] | [
[]
] | |
kklsx | When a universal influenza vaccine becomes available, will the instances of worse diseases increase? | Does having the flu confer some type of benefit for warding off other diseases?
I'm thinking in particular about the [hygiene hypothesis](_URL_0_) and it's possible interplay with infectious diseases, but there could be other considerations as well. | askscience | http://www.reddit.com/r/askscience/comments/kklsx/when_a_universal_influenza_vaccine_becomes/ | {
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"I'm not familiar with any reason to expect that a universal influenza vaccine would ever be developed. The flu mutates quickly; a new vaccine is needed whenever a new strain become... | [] | [
"http://en.wikipedia.org/wiki/Hygiene_hypothesis"
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[],
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2eov3g | what is the gold star on people's comment? | I think it comes from the give gold on the comment section. But what is it exactly? What's the purpose of giving gold to a comment? What happens if I get a gold on a comment? What's the benefits of getting a gold on a comment?
Edit: To the guy who's gilding almost everyone, on behalf of everyone you gave a gold to. Th... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2eov3g/eli5_what_is_the_gold_star_on_peoples_comment/ | {
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2dku68 | rolling friction | What actually causes the friction? And theoretically can a perfectly round and smooth ball roll on a perfectly flat and smooth surface forever? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2dku68/eli5_rolling_friction/ | {
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" > And theoretically can a perfectly round and smooth ball roll on a perfectly flat and smooth surface forever?\n\nAs the ball comes in contact with the surface it sticks and peels off. If that results in no loss of mechanical energy, yes, it c... | [] | [] | [
[]
] | |
35fbi5 | the queen's (uk) absolute powers vs practical powers. | I asked this in another thread, but thought it might be better to let it have its own post:
The U.K.'s sovereign is often said to have no real powers in a practical sense, but almost absolute powers in a theoretical sense. Is that because she chooses not to use her powers, or because there's an actual mechanism to dis... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/35fbi5/eli5_the_queens_uk_absolute_powers_vs_practical/ | {
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"Within the existing legal structure there's not much that Parliament could do. They can pass a law removing the monarch, but that requires Royal Assent which can assume the megalomaniac monarch won't grant.\n\nEffectively th... | [] | [] | [
[],
[
"http://en.wikipedia.org/wiki/Black_spider_memos"
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] | |
874416 | I'm interested in learning more about society in medieval Scandinavia; what are some well-regarded introductions on the subject for a beginner? | I am a hobbyist game developer and am about to start working on a project in this setting. Specifically I would like to know more about village and town life but obviously anything and everything you can show me will be of tremendous help.
edit: to be clear when I say medieval Scandinavia I mean 8th/9th century, pre/... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/874416/im_interested_in_learning_more_about_society_in/ | {
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"text": [
"Are you interested in the actual Viking era, or in the later period after the arrival of Christianity (but which is probably more reflected in some ways by the saga literature codified at that time)?"
]
} | [] | [] | [
[]
] | |
1l5ivf | how do blood thinners (rat poison) work? what makes the blood "thin"? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1l5ivf/eli5how_do_blood_thinners_rat_poison_work_what/ | {
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"Your blood contains things called platelets - these are basically a type of cell whose job it is to plug any holes that might form in your bloodstream. And normally, these holes and tiny tears happen *all the time*, but you ... | [] | [] | [
[],
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ofsre | world's current political status | O.K. There is economic crisis since few years, China's economy is booming, Middle East is in deep shit, Right-wing, even racist political parties are in rise in Europe and etc.
+All the governments are trying to get the internet under control.
Is everything is as usual with the World or some kind of shit storm is com... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/ofsre/eli5_worlds_current_political_status/ | {
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"There's a lot of shit storms always coming. A couple decades again plenty of people assumed that we were on the brink of the end of the world in a massive world wide nuclear winter. Almost no one thinks anything like that is expected to happen ... | [] | [] | [
[]
] | |
2fni3d | Rome And China | How much did Han China and the Roman Empire actually know about each other? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2fni3d/rome_and_china/ | {
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"There are several threads on this in the FAQ: _URL_0_"
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"http://www.reddit.com/r/AskHistorians/wiki/antiquity#wiki_rome_and_ancient_china"
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4ta69b | If geological activity (volcanoes and earthquakes) stopped right now, would erosion eventually render all the Earth's lands into a featureless plain? If so, how long would it take? | askscience | https://www.reddit.com/r/askscience/comments/4ta69b/if_geological_activity_volcanoes_and_earthquakes/ | {
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"Erosion would render all of Earth into formations that conform to the medium causing the erosion. For example, some strong rivers would erode lands into canyons, as seen in the most famous example of the grand canyon which s... | [] | [] | [
[],
[]
] | ||
1dznj4 | Genetically, how divergent are modern ethnic Jews from modern Arabs? | I'm mostly interested in the apparent disparity between modern Arabs and the Ashkenazim, many of whom are (possibly superficially) very Caucasian? I have some *very* nordic-looking Ashkenazi cousins, for example, and they bear no resemblance to my Arab friends.
What accounts for that disparity? How much interbreeding ... | askscience | http://www.reddit.com/r/askscience/comments/1dznj4/genetically_how_divergent_are_modern_ethnic_jews/ | {
"a_id": [
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"text": [
"Here is good writeup abut generic differences with sources:\n_URL_1_\n\n > The good news is that the genetics of Arabs and Jews have been pretty extensively researched. The classic study dates to 2000, from a team lead by Michael Hammer of Unive... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Genetic_studies_on_Jews",
"http://epiphenom.fieldofscience.com/2009/01/shared-genetic-heritage-of-jews-and.html",
"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3595026/"
]
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2jxfn2 | On the historicity of Jesus - What do non-believing (secular/atheist) historians think the techniques, methods and analyses of Carrier and Ehrman? | 15 years ago someone mentioned to me there were those who didn't think that there was any historical basis for Jesus. I read a lot about pagan god-men and then found Price, Doherty and, ultimately, Wells.
I had come to the conclusion that there was probably some unknowable peripatetic cynic-influenced apocalyptic ... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2jxfn2/on_the_historicity_of_jesus_what_do_nonbelieving/ | {
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"A few months ago, I had started what's probably the most detailed response to Carrier yet; but I had a hard drive crash, and sooo I basically have nothing now. \n\nTo simplify: the fatal weakness of C... | [] | [] | [
[
"http://i.imgur.com/C5N8QfX.png"
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[],
[]
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4i2dul | what's the difference between a regular and an impact drill? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4i2dul/eli5_whats_the_difference_between_a_regular_and/ | {
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"Regular drills just rotate the bit. Impact drills actually hammer down as well as drilling.",
"[This GIF visualizes an impact drill pretty well.](_URL_0_) It's basically a hammer that rotates to g... | [] | [] | [
[],
[
"https://gfycat.com/FlusteredSarcasticDikdik"
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fj3bqf | When we find a piece of intact ancient pottery, would it typically have been a special piece that was treasured by the culture, or would it have been the average Joe's cheap flour pot that just happens to have survived? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/fj3bqf/when_we_find_a_piece_of_intact_ancient_pottery/ | {
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"The answer is: both. A lot of the pottery we modern folk are most familiar with from the ancient world, like the fine red- and black-figure Athenian wares from the 5th and 4th centuries BCE, were expensive in antiquity and priceless now. Just fo... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Typology_of_Greek_vase_shapes"
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1plizv | What temperature would be required to ignite the earth's atmosphere, and would it be possible for humans to ignite our atmosphere? | askscience | http://www.reddit.com/r/askscience/comments/1plizv/what_temperature_would_be_required_to_ignite_the/ | {
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13vsma | Why is it not possible for two carbon atoms to react to form a dicarbon (C2) molecule with quadruple covalent bonds? | The carbon atom with its four valence electrons is known for being able to form a plethora of compounds with single, double and triple covalent bonds. Quadruple bonds, however, have never been observed before between carbon atoms. Could someone explain what prohibits two carbon atoms (or any atoms with 4 valence electr... | askscience | http://www.reddit.com/r/askscience/comments/13vsma/why_is_it_not_possible_for_two_carbon_atoms_to/ | {
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6,
2
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"text": [
"Well I think the well-known quantum chemist Sason Shaik would [disagree with you](_URL_1_) on that. \n\nLewis theory and the octet rule simply fails here (and does so in many places). A proper explanat... | [] | [] | [
[
"http://www.madsci.org/posts/archives/2000-10/971992131.Ch.r.html",
"http://www.rsc.org/chemistryworld/News/2012/January/carbon-carbon-quadruple-bond.asp"
],
[
"http://en.wikipedia.org/wiki/Diatomic_carbon"
],
[
"http://en.wikipedia.org/wiki/Sp3_bond#sp3_hybrids"
]
] | |
5yfe83 | Why is Julius Caesar typically depicted as being a 'good guy'? | While the optimates such as Pompey or Cato are typically depicted as 'bad guys'? This seems to be the case in fiction such as the TV show Rome, or even the "Masters of Rome" series (excellent books BTW). However even in earlier times there seems to be this perception, with Dante relegating the killers of Caesar to the ... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5yfe83/why_is_julius_caesar_typically_depicted_as_being/ | {
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"text": [
"It's actually a case of much older fiction than that. But we can start with Dante. Dante Alighieri's famous epic *The Divine Comedy* specifically glorifie... | [] | [] | [
[],
[],
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[],
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"https://www.reddit.com/r/AskHistorians/comments/3jhyl2/ive_seen_julius_caesar_reffered_to_as_a_villain/cupnvuw/"
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1jk4jo | why are there so many programming languages to essentially write the same programs? and the same with web pages? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1jk4jo/eli5_why_are_there_so_many_programming_languages/ | {
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23xczw | How did we learn that the liver can regenerate itself? | askscience | http://www.reddit.com/r/askscience/comments/23xczw/how_did_we_learn_that_the_liver_can_regenerate/ | {
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"I think we might have learnt this the livers of dead alcoholics. They develop [alcoholic cirrhosis](_URL_0_) and the characteristic signs of cirrhosis is bands of scar tissue (fibrosis) and *regenerative nodules* of liver cells, particularly on m... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Cirrhosis",
"http://depts.washington.edu/hepstudy/definitions/uploads/49/Liver_Cirrhosis.png"
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27i580 | what actually makes f1 cars so loud? | I understand that they don't have silencers or baffles but what actually causes them to be so loud? Is it the combustion or the movement of the parts? This has been intriguing me for some time. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/27i580/eli5_what_actually_makes_f1_cars_so_loud/ | {
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"text": [
"I would wager the lack of coventional exhaust. \n\nTake any jacked up truck, and straight pipe the thing from the engine/headers, and it... | [] | [] | [
[],
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[],
[],
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q6075 | Why is the earth's atmosphere not layered by type of gas? | If you pour a variety of liquids into a container they will arrange themselves in layers according their respective densities, with the denser liquids towards the bottom. Gases do the same thing which is why [this](_URL_0_) works.
Now we know the earth's atmosphere is made of different gases, the most common being nit... | askscience | http://www.reddit.com/r/askscience/comments/q6075/why_is_the_earths_atmosphere_not_layered_by_type/ | {
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43,
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"text": [
"So, two factors at work here. Entropy favors having the gases all mixed together, but enthalpy favors having layers. In gases, intermolecular forces are ver... | [] | [
"http://chemistry.about.com/od/funfireprojects/a/candle-science-magic-trick.htm"
] | [
[],
[],
[],
[],
[]
] | |
4doewn | when (especially in the old days of analogue phones) we are dialling a phone number, what does actually happen? how is the right person reached at the other end? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4doewn/eli5when_especially_in_the_old_days_of_analogue/ | {
"a_id": [
"d1t68s0"
],
"score": [
2
],
"text": [
"The phone number is a coded \"address\" of sorts. When you dial a game shop's phone number outside of your city to see if they have a used copy of a hard to find game, you're really sending a set of instructions for the switching system to conne... | [] | [] | [
[]
] | ||
2kuh2c | Why don't we feel the pull of the suns gravity even though it's so massive it effects planets? | askscience | http://www.reddit.com/r/askscience/comments/2kuh2c/why_dont_we_feel_the_pull_of_the_suns_gravity/ | {
"a_id": [
"clp16a6",
"clp3m0w",
"clp9990"
],
"score": [
9,
2,
4
],
"text": [
"Because we're in orbit around the sun, and orbit is free-fall. \n\nAs to why you feel weightless in free fall, think about it like this: If you're standing still on the ground the earth is pulling you d... | [] | [] | [
[],
[],
[]
] | ||
6ysyrs | when you jar a finger or bend it right back, why does it feel like it 'locks down' and is hard to move? | Recently jarred my finger and along with the pain, after the event it was hard to move my finger very far, very fast - it's fine now but why does this happen? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6ysyrs/eli5when_you_jar_a_finger_or_bend_it_right_back/ | {
"a_id": [
"dmq1e11",
"dmq1wxi",
"dmq2mm4"
],
"score": [
2,
20,
3
],
"text": [
"It means you have sprained that joint. When a joint gets moved in a way it's not supposed to, the ligaments and connective tissue get stretched unnaturally or tear. This affects the joint's ability t... | [] | [] | [
[],
[],
[]
] | |
27gopj | According to some models, the Moon was created as a result of a collision between the Earth and a planet called 'Theia' 4.5 billion years ago (link in the text), what happened to the rest of the planet?? | _URL_0_
Just read the above article which is something I wasn't very aware of, though highly interesting. However, if the moon was created as a result of a collision between earth and a planet larger than the moon, what happened to the remnants of the other planet assuming that planet was larger than the moon?
Would ... | askscience | http://www.reddit.com/r/askscience/comments/27gopj/according_to_some_models_the_moon_was_created_as/ | {
"a_id": [
"ci0so1n"
],
"score": [
9
],
"text": [
"The vast majority of the material would be either go into the disk around the Earth (that the Moon would then form from), or be incorporated in to the Earth. Some very small fraction would be ejected from the Earth-Moon system and go into helioce... | [] | [
"http://www.bbc.co.uk/news/science-environment-27688511"
] | [
[
"https://www.youtube.com/watch?v=ibV4MdN5wo0"
]
] | |
8b9uj5 | Central Asia was basically an extension of Europe, demographically speaking, until around 1,600 - 2,000 years ago. | Central Asia was basically an extension of Europe, demographically speaking, until around 1,600 - 2,000 years ago. Then, we had Asiatic people migrate to these lands.
Do we have any insights as to the demographics of these lands before 500 AD? I've always heard that they were Caucasians living there, and today, they'... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/8b9uj5/central_asia_was_basically_an_extension_of_europe/ | {
"a_id": [
"dx6ce4e"
],
"score": [
2
],
"text": [
"Before the Turkic migrations, the primary populace of the Steppes would be various Indo-European tribal groups. Specifically, the Iranian Scythian people, known variously as Scythians, Sarmatians, Indo-Scyths, and Sakas depending on the source an... | [] | [] | [
[]
] | |
24k0xt | Imagine if you filled a bucket with germs and cramed as much in as the bucket could hold. Enough that you could see the germs. What would it look like? | askscience | http://www.reddit.com/r/askscience/comments/24k0xt/imagine_if_you_filled_a_bucket_with_germs_and/ | {
"a_id": [
"ch7whxh",
"ch7z0th"
],
"score": [
6,
25
],
"text": [
"I'm going to give you a general answer. Germs can be bacteria, fungi, viruses or protozoa. [Here](_URL_1_) is more info about germs. I'm assuming you're asking about bacteria, in which case it would have to grow on somethi... | [] | [] | [
[
"https://www.google.com/search?q=bacteria+colonies&client=firefox-a&hs=i7d&rls=org.mozilla:en-US:official&channel=sb&source=lnms&tbm=isch&sa=X&ei=_txjU8zYO7aysATmpIDgCA&ved=0CAgQ_AUoAQ&biw=1600&bih=797",
"http://kidshealth.org/kid/talk/qa/germs.html"
],
[]
] | ||
dc4tds | how does a dry cleaner work? beginning to end? | I don't know why I have never questioned this before.
What actually happens inside a dry clean store? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/dc4tds/eli5_how_does_a_dry_cleaner_work_beginning_to_end/ | {
"a_id": [
"f25z7qj"
],
"score": [
10
],
"text": [
"Drycleaning machines use a product called Perc (sort of like a gasoline solvent) to clean clothes. The machines are a washer/dryer combo so it’s a sealed unit. The solvent keeps clothes from shrinking and getting crazy creased up. \n\nThen it... | [] | [] | [
[]
] | |
2m00gz | Did most men enlist in the United States military or were most drafted? | Before the draft was abolished anyways. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2m00gz/did_most_men_enlist_in_the_united_states_military/ | {
"a_id": [
"clzr6c1"
],
"score": [
7
],
"text": [
"Can you be specific as to which conflict you're talking about? Civil War, World Wars, Vietnam?"
]
} | [] | [] | [
[]
] | |
ehgaok | if an individual in the hollywood business plays a role as the director, executive producer, and an actor in the fim/tv show, do they take a salary for each position? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ehgaok/eli5_if_an_individual_in_the_hollywood_business/ | {
"a_id": [
"fcj53hv"
],
"score": [
2
],
"text": [
"Executive producer either manages the money or provides it. The director handles all the top-level decision making about the actual filming process. The actor acts. \n\nThe most likely scenario is that Danny McBride found a script or concept that... | [] | [] | [
[]
] |
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