q_id stringlengths 5 6 | title stringlengths 3 301 | selftext stringlengths 0 39.2k | document stringclasses 1
value | subreddit stringclasses 3
values | url stringlengths 4 132 | answers dict | title_urls list | selftext_urls list | answers_urls list |
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1sun0m | Can someone help me identify this object? Possibly Native American (Fort ancient culture). | To me it looks like a generic ax head/chisel morphotype from the Hopewell or Fort Ancient cultures. My father and uncle found them as kids just after the first rain on a plowed and disced field just outside Fairfield Ohio. It is part of a larger collection found in the same area.
[side view 1] (_URL_3_)
[side view ... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1sun0m/can_someone_help_me_identify_this_object_possibly/ | {
"a_id": [
"ce1hgj2",
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"score": [
5,
9
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"text": [
"Looks like a stone celt. _URL_0_\n\nAs a guess, I'd imagine it's an ax from the Adena culture, which inhabited the area you're talking about during the period in which axes similar to this one were in use. _URL_2_\n\nI'm not... | [] | [
"http://i.imgur.com/m2isIwD.jpg",
"http://i.imgur.com/PhrnWjN.jpg",
"http://i.imgur.com/V6w5gaB.jpg",
"http://i.imgur.com/0HYRcpv.jpg"
] | [
[
"http://www.zuko.com/timeWarp/The_Ancients_of_North_America_Stone_Celts.asp",
"http://ohsweb.ohiohistory.org/gallery2/main.php?g2_itemId=251",
"http://en.wikipedia.org/wiki/Adena_culture"
],
[]
] | |
22it3g | When a person experiences visual effects during a psychedelic trip, how much of that is neurological and how much is purely optical? | i.e., is the effect primarily due to the atypical movement and dilation of the eyeball or to chemical interactions in the brain and nervous system? | askscience | http://www.reddit.com/r/askscience/comments/22it3g/when_a_person_experiences_visual_effects_during_a/ | {
"a_id": [
"cgnxmt8"
],
"score": [
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"text": [
"it's all in the brain. computational models of visual cortex can produce geometric hallucinations similar to the effects of e.g. LSD. you might like to look up some stuff by [Jack Cowan] (_URL_0_) of U.Chicago, he's done a lot of work in this are... | [] | [] | [
[
"http://scholar.google.com.au/scholar?hl=en&q=jack+cowan+hallucination&btnG=&as_sdt=1%2C5&as_sdtp="
]
] | |
3bieak | how are the speeds of planets and galaxies determined? | Considering velocity is relative, how do we know how fast an object is moving in deep space both relative to earth and other galaxies? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3bieak/eli5_how_are_the_speeds_of_planets_and_galaxies/ | {
"a_id": [
"csmdp0p"
],
"score": [
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"text": [
"We measure it, quite simply. \n\nVelocity may be relative, but we can certainly measure it relative to a given reference, like our planet, our sun, or even our entire galaxy.\n\nIt may not be a simple measurement. Scientists may have to compensat... | [] | [] | [
[]
] | |
7w09ea | how did amazon become such a giant? wasn’t there other online stores at the time of its creation? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7w09ea/eli5_how_did_amazon_become_such_a_giant_wasnt/ | {
"a_id": [
"dtwi2s0",
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"score": [
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3,
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],
"text": [
"When it came out, it was mostly focused on books. The early web started seeing a lot of specialized sites, like _URL_1_ for pet stuff. One other problem with the early web is that there wasn't really ... | [] | [] | [
[
"walmart.com",
"pets.com"
],
[],
[]
] | ||
4mmmd6 | Why is schizophrenia considered a mental disorder, while Alzheimer's is considered a disease? | [Schizophrenia](_URL_1_)
[Alzherimer's](_URL_0_)
Is alcohol addiction a disease or a disorder? | askscience | https://www.reddit.com/r/askscience/comments/4mmmd6/why_is_schizophrenia_considered_a_mental_disorder/ | {
"a_id": [
"d3wx28s",
"d3x5ega"
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"score": [
6,
5
],
"text": [
"That other post is pretty informative, but here's my understanding of the terminology: A disease implies a certain pathology associated with a known course. A disorder implies functional deficits but not necessarily a certai... | [] | [
"https://www.nia.nih.gov/alzheimers/topics/alzheimers-basics",
"http://www.nimh.nih.gov/health/topics/schizophrenia/index.shtml"
] | [
[],
[]
] | |
oqjov | When, in the universes history, did the first photon appear? | askscience | http://www.reddit.com/r/askscience/comments/oqjov/when_in_the_universes_history_did_the_first/ | {
"a_id": [
"c3j8lea"
],
"score": [
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],
"text": [
"after electroweak symmetry was broken, about 10^-12 seconds if [wiki is accurate](_URL_0_). That being said, the universe was full of too many charged particles for the first 300000 years for the photons to travel *freely*. Those photons are what... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Timeline_of_the_universe#Electroweak_epoch"
]
] | ||
4ymvwe | how bipolar 1 works | You see, my mother is Bipolar 1 which means that she is (or was before medication) more Manic. She has been on medication since I have been born and I want to understand more what its like. I have talked to her about it briefly before but I understand she doesn't like to go too much into it. I know that something that ... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4ymvwe/eli5_how_bipolar_1_works/ | {
"a_id": [
"d6oyjkn",
"d6p11ng"
],
"score": [
2,
5
],
"text": [
"Bipolar 1 disorder is exactly as you said, nor work me to being manic. If your mother is like me (everyone is different) then she probably constantly has thoughts racing through her head. The manic end of bipolar makes the b... | [] | [] | [
[],
[]
] | |
1jxjhq | How is it that my eyes retain a bright dot from glancing at the sun/the flash of a camera? | How come when I see bright surfaces such as the sun reflecting off of the snow it doesn't burn in my vision in the same way that glancing at the sun does? How do my eyes retain such a "burn" and why doesn't the dark have a similar effect? | askscience | http://www.reddit.com/r/askscience/comments/1jxjhq/how_is_it_that_my_eyes_retain_a_bright_dot_from/ | {
"a_id": [
"cbjd2vn",
"cbjlt1l"
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"score": [
3,
2
],
"text": [
"The cells in your eyes essebtially get \"tired\" (consuming a certain compound to fire a neurotransmitter I forget the specifics) resulting in your seeing a negative of whatever yiu were just looking at. ",
"You might wa... | [] | [] | [
[],
[
"http://www.handprint.com/HP/WCL/color4.html"
]
] | |
1sxzoh | how did the positions in basketball get their names? | All of the positions in baseball and football are easy to figure out , but the positions in basketball stump me... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1sxzoh/eli5_how_did_the_positions_in_basketball_get/ | {
"a_id": [
"ce2en7r"
],
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],
"text": [
"Centers obviously play in the center or the middle down low. Forwards play up front or \"forward\" on the court, or at least they used to before the three point line made the game more perimeter oriented. Back in the day gaurds werent allowed t... | [] | [] | [
[]
] | |
ai78fk | Does aurora borealis and aurora astralis happen on other planets? | askscience | https://www.reddit.com/r/askscience/comments/ai78fk/does_aurora_borealis_and_aurora_astralis_happen/ | {
"a_id": [
"eemqejz",
"een93j8"
],
"score": [
6,
2
],
"text": [
"On earth, the phenomenon depends on two things: earth’s magnetic field, and earths atmosphere. \n\nI’m on my phone, so can’t write the entire process, but basically charged particles are shot out of the sun and then are capt... | [] | [] | [
[],
[
"https://www.iflscience.com/space/mars-has-a-bizarre-aurora-weve-never-seen-before-/",
"https://www.sciencealert.com/saturn-aurora-hubble-space-telescope-cassini-grand-finale",
"https://www.missionjuno.swri.edu/media-gallery/aurora"
]
] | ||
48j6ax | why cant brain and spinal cells repair themselves? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/48j6ax/eli5why_cant_brain_and_spinal_cells_repair/ | {
"a_id": [
"d0jzyt1",
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"score": [
2,
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],
"text": [
"any organs and tissues in the body can recover after injury without intervention. Unfortunately, some cells of the central nervous system are so specialized that they cannot divide and create new cells. As a result, recovery... | [] | [] | [
[],
[]
] | ||
2hib78 | how does developing taste work? why did i hate coffee as a kid and now it is like nectar of the gods for me? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2hib78/eli5how_does_developing_taste_work_why_did_i_hate/ | {
"a_id": [
"cksxq72",
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"score": [
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2
],
"text": [
"There was a recent study that determined musical tastes are mostly based on repetition, simply hearing a song multiple times makes you like it. This explains cultural trends in musical tastes.\n\nLikewise, food tastes are al... | [] | [] | [
[],
[]
] | ||
86zba1 | what is "overproduced" music and what does it sound like? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/86zba1/eli5_what_is_overproduced_music_and_what_does_it/ | {
"a_id": [
"dw913fj",
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"text": [
"Calling something over- or underproduced is inherently subjective because people have different tastes and preferences. But a song being \"more\" produced generally refers to background strings/synths/voices etc being added ... | [] | [] | [
[],
[
"https://youtu.be/MN23lFKfpck"
]
] | ||
33yvus | the concept of the magnification and objective lenses of binoculars. | Seeking an explanation, conceptual understanding, and the meaning of the technical specifications of the magnification x objective (AxB) of binoculars below:
* 8x21 - Roof-prism binocular with 8x magnification and 21-Millimeter objective diameter
* 10x25 - 10x magnification, 25-millimeter objective binoculars wi... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/33yvus/eli5_the_concept_of_the_magnification_and/ | {
"a_id": [
"cqpntj7"
],
"score": [
2
],
"text": [
"objective is how big the lens you're looking thru. magnifcation is how much bigger than naked eye the object is"
]
} | [] | [] | [
[]
] | |
2yjdue | If atoms vibrate, do they emit sound? | If sound is is based on vibrations and atoms also vibrate is sound created? | askscience | http://www.reddit.com/r/askscience/comments/2yjdue/if_atoms_vibrate_do_they_emit_sound/ | {
"a_id": [
"cpatorx",
"cpay1pb"
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"score": [
3,
2
],
"text": [
"It depends on what you mean when you say that \"atoms vibrate\".\n\nIf you mean that the position of many atoms in a medium oscillates, then this is by definition a sound wave.\n\nIf you excite an atom *in a medium*, then it... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Fluorescence"
],
[]
] | |
a8sk36 | Why do our ears build pressure? | I drive up and down a mountain multiple times a day. I've been trying out different things when my ears build pressure.
Sometimes yawning helps, other times it doesn't. Lately I've been just letting my ears build pressure until they *pop* on their own. When they do that, I feel it in my throat.
Why do our ears buil... | askscience | https://www.reddit.com/r/askscience/comments/a8sk36/why_do_our_ears_build_pressure/ | {
"a_id": [
"eces84o"
],
"score": [
4
],
"text": [
"First you have to know that the mouth, nose, and inner ears all connect. This area that connects all of them is called the sinuses. Your inner ear has a passage way that connects to the sinuses called the eustachian tube. This tube is usually clo... | [] | [] | [
[]
] | |
8otkmd | – i’ve just found out that the recipe and salt contents on some popular fast foods are different countries by countries. why is that? why can’t there be a universal recipe? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8otkmd/eli5_ive_just_found_out_that_the_recipe_and_salt/ | {
"a_id": [
"e05zrj4",
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],
"score": [
11,
2
],
"text": [
"There's an aspect of tailoring food to a local regions taste but there's also sometimes a logistical or cost issue. For example it may be cheap to get an item like apples to any state in the U.S. however getting an apple to... | [] | [] | [
[],
[]
] | ||
11ejwu | Universal expansion as time | Is this way off base, or just another way of looking at it?
_URL_0_
(Warning - it's long and has trig in it and is linked to two or three other posts) | askscience | http://www.reddit.com/r/askscience/comments/11ejwu/universal_expansion_as_time/ | {
"a_id": [
"c6lscp8"
],
"score": [
4
],
"text": [
"It looks like bollocks to me. His starting premise is wrong: that the expansion of the universe is not uniform. He uses the example that we can see distant galaxies receding, but we don't see a ruler growing. There are two problems with that: ... | [] | [
"http://neophilosophical.blogspot.com.au/2012/10/a-little-expansion-on-lightness-of-fine.html"
] | [
[]
] | |
2mars4 | Why does blending potatoes before you cook them give you such a totally different result from blending them after you cook them (something slimy instead of mash potatoes)? | Usually I make mashed potatoes by boiling up some potatoes and then using a stick blender at the end. One day I decided to try doing it the other way around and I blended some raw potatoes and then cooked it. It turned out slimy and uneatable.
(I used the same potatoes to make normal mash potatoes successfully.) | askscience | http://www.reddit.com/r/askscience/comments/2mars4/why_does_blending_potatoes_before_you_cook_them/ | {
"a_id": [
"cm40q8e"
],
"score": [
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],
"text": [
"I think that by reducing the size of the potato, you increased its surface area dramatically as well as ripping apart more cells that formed the potato, releasing more starches. Upon cooking, these starches leach into the water and partly dissolv... | [] | [] | [
[]
] | |
6qfe5m | how do cooling mattresses/mattress pads work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6qfe5m/eli5_how_do_cooling_mattressesmattress_pads_work/ | {
"a_id": [
"dkwv89j"
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"score": [
6
],
"text": [
"They contain pieces of a gel material which has a very high heat capacity. That means if they've been sitting around at room temperature for a while, they have significant ability to absorb heat from you (your body is warmer) before they reach yo... | [] | [] | [
[]
] | ||
1fvoie | what makes diamonds more expensive than cubic zirconia | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1fvoie/eli5_what_makes_diamonds_more_expensive_than/ | {
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15,
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2
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"text": [
"Monopoly and artificial shortages. DeBeers monopolized the diamond industry and stockpiled diamonds they mined. Combine that with good marketing and you cre... | [] | [] | [
[],
[
"http://www.theatlantic.com/magazine/archive/1982/02/have-you-ever-tried-to-sell-a-diamond/304575/"
],
[],
[],
[
"http://www.youtube.com/watch?v=LHupgR2RGk8"
]
] | ||
267he8 | What happened in Turkey and C. Asia during WW2? | More specifically, Turkey and the -stans? I can't find anything pertaining to the political, social and economic situation of Turkey at that time, and C. Asia seems to be an industrial footnote to the Soviet war machine. Are there any books of note covering these subjects? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/267he8/what_happened_in_turkey_and_c_asia_during_ww2/ | {
"a_id": [
"choiklu"
],
"score": [
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"text": [
"I can briefly explain Turkey: Turkey for the most part stayed out of the war, as it had allies on all sides and Atatürk had officially adopted a policy of \"[peace at home, peace in the world](_URL_3_)\" in the 1930's, which his successors carrie... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Necdet_Kent",
"http://en.wikipedia.org/wiki/Behi%C3%A7_Erkin",
"http://en.wikipedia.org/wiki/Varl%C4%B1k_Vergisi",
"http://en.wikipedia.org/wiki/Peace_at_Home,_Peace_in_the_World",
"http://en.wikipedia.org/wiki/Nam%C4%B1k_Kemal_Yolga",
"http://en.wikipedia.org... | |
5if2bt | why do pros use arcade sticks for fighting games? are they really better than normal controllers? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5if2bt/eli5_why_do_pros_use_arcade_sticks_for_fighting/ | {
"a_id": [
"db7vvuv"
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"score": [
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],
"text": [
"This isn't true for all fighting games - for example, most hardcore Super Smash Bros. players use the GameCube controller, to the point where Nintendo had to release a special GameCube controller adapter for the WiiU in order to accommodate them ... | [] | [] | [
[]
] | ||
mz8pr | What are the downsides to a Molten Salt Thorium Reactor? | Seems like its sort of an energy dream other than obtaining funding. Whats the fine print? | askscience | http://www.reddit.com/r/askscience/comments/mz8pr/what_are_the_downsides_to_a_molten_salt_thorium/ | {
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"text": [
... | [] | [] | [
[],
[],
[],
[
"http://www.gen-4.org/"
],
[
"http://www.youtube.com/watch?v=P9M__yYbsZ4"
],
[
"http://energyfromthorium.com/pdf/MSadventure.pdf"
],
[],
[],
[],
[
"http://www.gen-4.org/"
],
[
"http://www.youtube.com/watch?v=P9M__yYbsZ4"
],
[
"http://energyfromth... | |
1lnj9l | Do we know approximately how much neurons there are in the different parts of the brain? | Or do we just know how many there are in total?
For example, do we know how much neurons are used for language acquisition? | askscience | http://www.reddit.com/r/askscience/comments/1lnj9l/do_we_know_approximately_how_much_neurons_there/ | {
"a_id": [
"cc1cs3e"
],
"score": [
3
],
"text": [
"We have rough, order-of-magnitude counts of the number of neurons in different regions of the brain's gross anatomy. However, this number keeps going up as we continue to study the brain. Just a few years ago, it looked like around 10 billion n... | [] | [] | [
[]
] | |
1ssdqh | why do i get completely blind when i suddenly get up after resting for a long time? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ssdqh/eli5_why_do_i_get_completely_blind_when_i/ | {
"a_id": [
"ce0qsft",
"ce0qyaw",
"ce0t2xr"
],
"score": [
10,
2,
2
],
"text": [
"You could be mildly dehydrated. Or you might have orthostatic hypotension (a.k.a. postural hypotension), which occurs when blood rushes to your feet and away from your head as you stand up suddenly. (P... | [] | [] | [
[],
[],
[]
] | ||
6nxy5w | why did america fail to become the number one producer of solar panels? wouldn't the government do whatever it takes to gain huge viable markets like this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6nxy5w/eli5_why_did_america_fail_to_become_the_number/ | {
"a_id": [
"dkd3jzb",
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5,
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2,
2
],
"text": [
"Because America depends on oil for more than just energy and fuel. Brobdingnagian amounts of money and power are involved with US oil companies, stocks, and even the economy itself... | [] | [] | [
[],
[],
[
"https://dothemath.ucsd.edu/2011/09/dont-be-a-pv-efficiency-snob/",
"http://www.businessinsider.com/solarcity-ceo-how-much-solar-energy-will-cost-in-5-years-2016-6",
"http://www.madehow.com/Volume-1/Solar-Cell.html",
"http://www.businessinsider.com/solar-panel-makers-grappling-with-was... | ||
478b57 | how can luxembourg have an insane national debt and not crumble? | According to wikipedia, the external national debt per capita in Lux is 3.7 million dollars. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/478b57/eli5how_can_luxembourg_have_an_insane_national/ | {
"a_id": [
"d0ay4vb"
],
"score": [
5
],
"text": [
"Debt per capita doesn't matter very much--what matters is the debt as a percentage of GDP, the size of the economy. After all, wealthy countries can afford to pay more than poor countries even if they have a lower population. Nevertheless, Luxemb... | [] | [] | [
[]
] | |
b9eg9t | How does solar radiation pressure impart a force to spacecraft if photons have no mass? | If photons are massless, how do they carry momentum to impart solar radiation pressure to spacecraft? The force due to solar radiation pressure is very important for astrodynamics, and I’m having trouble understanding how this works. | askscience | https://www.reddit.com/r/askscience/comments/b9eg9t/how_does_solar_radiation_pressure_impart_a_force/ | {
"a_id": [
"ek5xbss",
"ek5y5c6"
],
"score": [
12,
3
],
"text": [
"Because p=mv is a lie!\n\nOkay, it's not quite a lie. It's an *approximation* that gives extremely accurate results for objects with mass that are moving much slower than the speed of light. However, if you have an object w... | [] | [] | [
[],
[
"https://youtu.be/_eVYHs9s4E4"
]
] | |
k2me0 | what happens - internally - when you pull the trigger on a gun. | If possible, for different types of guns. Shotguns, pistols, automatic weapons, etc.. For example, does the trigger act like a hammer, it hits the bullet generating a spark? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/k2me0/eli5_what_happens_internally_when_you_pull_the/ | {
"a_id": [
"c2h1dyp",
"c2h6cou",
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"c2h6cou"
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"score": [
2,
2,
2,
2
],
"text": [
"There are usually firing pins in most guns. When you pull the trigger, there are internal actions that make the pin spring forward and hit the primer which sparks and ignites all t... | [] | [] | [
[],
[],
[],
[]
] | |
68iok9 | What was a rare or weird culinary treat (for the poor, rich, or anyone between) in your time period and region of expertise? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/68iok9/what_was_a_rare_or_weird_culinary_treat_for_the/ | {
"a_id": [
"dgysq7h"
],
"score": [
2
],
"text": [
"Taking \"treat\" rather generously:\n\n > Looking back, I find that drinking, in this country at least, has been divided more or less definitely into various epochs, in each of which a different brand of poison and hell-fire dominated the thirst... | [] | [] | [
[
"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1382135/",
"https://www.youtube.com/watch?v=ayltwUwpW04",
"https://www.youtube.com/watch?v=lGuoOyeUj-w"
]
] | ||
1fhi75 | Are there any plants or animals that are bioluminescent in the infrared spectrum only? | Would this be possible? | askscience | http://www.reddit.com/r/askscience/comments/1fhi75/are_there_any_plants_or_animals_that_are/ | {
"a_id": [
"caabirg"
],
"score": [
8
],
"text": [
"Hot blood animals, like mammals and birds, emit in the IR all the time, so in a sense they're bioluminescent in the IR only unless they are also standard light bioluminescent."
]
} | [] | [] | [
[]
] | |
2r7roe | the reasoning behind sandy hook trutherism. | Do people legitimately believe there was no massacre or is it just the standard tinfoil hat types? If so why? Since no legislation was passed afterwards due to the massacre, why would there need to be a conspiracy behind it to begin with? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2r7roe/eli5_the_reasoning_behind_sandy_hook_trutherism/ | {
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"cndaw9c",
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"score": [
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"text": [
"\nSome portion of the population seems be naturally disposed to seek out and believe in conspiracy theories and these people seem to be drawn to anti-establishment political groups... | [] | [] | [
[],
[],
[],
[]
] | |
5u2mpk | the difference between phenomenology and ontology | title says it all. i don't have a strong understanding of philosophical lexicon, so when people have tried to explain the difference between phenomenology and ontology to me in the past, the vernacular used has gone right over my head. please help me understand. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5u2mpk/eli5_the_difference_between_phenomenology_and/ | {
"a_id": [
"ddqu87s"
],
"score": [
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],
"text": [
"Bottom line: Ontology \"What is\". Phenomenology: \"What is experienced\". \n\nOften (pretty much always as far as we're concerned with our everyday lives) those two things seem to perfectly align. If however, you study many branches of science y... | [] | [] | [
[]
] | |
8him3y | How historically accurate was the video game Red Dead Redemption? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/8him3y/how_historically_accurate_was_the_video_game_red/ | {
"a_id": [
"dykjgsn"
],
"score": [
14
],
"text": [
"To help others who haven’t played the game, can you be more specific about what part of the game you want to know if it is historically accurate?"
]
} | [] | [] | [
[]
] | ||
1ndsnj | why did they used to put a bag over people's heads before executing them in a public hanging? | I was watching the movie Changeling and was confused. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1ndsnj/eli5_why_did_they_used_to_put_a_bag_over_peoples/ | {
"a_id": [
"cchmfo9",
"cchmhbw"
],
"score": [
57,
28
],
"text": [
"That is so whoever is watching the execution will not be able to see the persons face. The eyes bulge, blood vessels become more prominent and is basically too gruesome to look at.",
"Well, hanging wasn't the clean exe... | [] | [] | [
[],
[]
] | |
epwl5e | why do pacifiers soothe babies so much? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/epwl5e/eli5_why_do_pacifiers_soothe_babies_so_much/ | {
"a_id": [
"fem79va"
],
"score": [
9
],
"text": [
"Placates the constant desire to feed. Also unless they're seriously distressed, the suck instinct overrides crying if something is in their mouth."
]
} | [] | [] | [
[]
] | ||
6pa927 | Why was Baldur Von Schirach the only other Nazi war criminal kept imprisoned for as long as Albert Speer? | Yes, I know Hess was there longer | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6pa927/why_was_baldur_von_schirach_the_only_other_nazi/ | {
"a_id": [
"dko0cwi"
],
"score": [
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"text": [
"The immediate answer was that of the \"Spandau Seven,\" von Schirach was comparatively younger (bn. 1907) compared to the three prisoners released earlier before their sentences were up- von Neurath (bn. 1873), Raeder (bn. 1876), and Funk (bn. 1... | [] | [] | [
[]
] | |
bcnbcd | how are we able to decipher acronyms and initialisms so easily? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bcnbcd/eli5_how_are_we_able_to_decipher_acronyms_and/ | {
"a_id": [
"eks83yr"
],
"score": [
3
],
"text": [
"They seldom occur without any context. This gives you plenty of hints about what they might mean if you'd never heard the words before and had no context, it's be impossible to tell between CPU and scuba"
]
} | [] | [] | [
[]
] | ||
58m9vl | Where can I learn more about the history of political Buddhism? | I recently listened to the AskHistorians podcast about Buddhism in Tibet and Bhutan, and the rise and machinations of people like Pagsam Wangpo and Ngawang Namgyal. I found this endlessly fascinating, particularly the way theological justification was given for things like resolving successions and inheritance, and the... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/58m9vl/where_can_i_learn_more_about_the_history_of/ | {
"a_id": [
"d91p761"
],
"score": [
2
],
"text": [
"Hi there! I was the interviewee for that episode and I'd recommend if you're interested in Tibet and Bhutan further, to take a look at the [_URL_0_](booklist.) \n\nBuddhism has always been mildly political. Remember that even in the earliest rete... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/wiki/books/innerasia#wiki_tibet_and_bhutan"
]
] | |
5mznt0 | why do lcd screens become slow in a temp below 0? | Below 0 degrees, An LCD screen will have a weird ghosting effect, Why is this? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/5mznt0/eli5_why_do_lcd_screens_become_slow_in_a_temp/ | {
"a_id": [
"dc7isgw"
],
"score": [
6
],
"text": [
"LCD screens use a chemical \"shutter\" effect to do their thing. When a current is run through them, the material crystalizes. When the electricity is turned back off, it returns to it's uncrystalley form.\n\nIn low temperatures, the material get... | [] | [] | [
[]
] | |
wgc50 | What was the medical specifications of a British World War One CONSCRIPTED soldier? | ie. weight, size, eyesight requirements. I was literally thinking the other day wondering if I would have been conscripted - I am 22 and single but have quite bad sight in my right eye. I was kinda of looking for like a table of requirements or something. I think itd be pretty interesting.
Also, how much were the rule... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/wgc50/what_was_the_medical_specifications_of_a_british/ | {
"a_id": [
"c5d33zq",
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"score": [
3,
3
],
"text": [
"_URL_0_\n\nFun little bit here on the rush to enlist at the war's beginning.",
"I'll come back to this later once I find some good sources.\n\nThe physical requirements for British soldiers decreased as the war went on. ... | [] | [] | [
[
"http://books.google.com/books?id=YPA1dGj_N18C&pg=PA44&lpg=PA44&dq=medical+requirement+british+1914&source=bl&ots=JDySSIGrpJ&sig=FmkGHceli2M90EzZiLO5wAcD6SY&hl=en&sa=X&ei=kBv_T7DKLcbn0QGL_4XOBg&ved=0CFQQ6AEwBQ#v=onepage&q=medical%20requirement%20british%201914&f... | |
8dw7gx | Shinobi/Ninjas, Bushido and Seppuku | First of all, apologies for misspellings.
Now onto the core of the question (Spoilers for the Danish novel 'Ternet Ninja' ahead). I've just finished a novel where a ninja doll is possessed by a ninja from the late 16th century. In the backstory to this ninja, he was charged with protecting the children of his vill... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/8dw7gx/shinobininjas_bushido_and_seppuku/ | {
"a_id": [
"dylt413"
],
"score": [
3
],
"text": [
"Hey I meant to write you an answer a while ago, but life got in the way. I hope you'll still find this helpful. It's a bit of an info-dump with lots of links to previous answers and resources.\n\n > I still have reservations about the historical... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/6rja8q/how_many_koku_would_a_ninja_in_medieval_japan_get/",
"http://ejmas.com/jalt/jaltart_friday_0301.htm",
"https://open.library.ubc.ca/cIRcle/collections/ubctheses/24/items/1.0071589",
"https://www.reddit.com/r/AskHistorians/comments/52sewz/was_t... | |
a0oplo | why do spices prefer warm climates to cold? | I don't see many naturally occurring spices in colder climates and am curious. | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/a0oplo/eli5_why_do_spices_prefer_warm_climates_to_cold/ | {
"a_id": [
"eajap54"
],
"score": [
15
],
"text": [
"The simplest answer is that there's more variety of spices in warm climates simply because there's more variety of plants in general. Plus, a lot of spices also have antimicrobial properties (which is why they're good for preserving food) and so... | [] | [] | [
[]
] | |
2owmvu | Melting point of bone? | A friend in my gym clas questioned what is the melting point as well as the heat of vaporization of bone? | askscience | http://www.reddit.com/r/askscience/comments/2owmvu/melting_point_of_bone/ | {
"a_id": [
"cmrp91w"
],
"score": [
5
],
"text": [
"Bone doesn't melt, it decomposes or burns.\n\nYou can decompose off the organic bits from the bone (the network of collagen like strands that give bones their shock resistance) and leave behind a pile of calcium and phosphorous oxides. They proba... | [] | [] | [
[]
] | |
8vxefc | why do some manufacturers print their own prices on items? | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/8vxefc/eli5_why_do_some_manufacturers_print_their_own/ | {
"a_id": [
"e1r3fv2",
"e1r6h4m",
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"score": [
10,
3,
5
],
"text": [
"to prevent strors from over inflating prices. They know how much thier product costs. if someone is selling it for more, the customer knows its not Arizona and does not have those hostle feelings. k... | [] | [] | [
[],
[],
[]
] | |
2st2c8 | If the supermassive black holes at the center of the galaxy were stars of the same exact mass, how large would the star be? | For example if you had a supermassive blackhole with 1 billion solar masses, and instead of a blackhole it was a star of similar mass how large of a star would it be? | askscience | http://www.reddit.com/r/askscience/comments/2st2c8/if_the_supermassive_black_holes_at_the_center_of/ | {
"a_id": [
"cnsoe6h"
],
"score": [
2
],
"text": [
"The same size as the black hole, because a star of that mass will immediately collapse into a black hole. There's no way to answer that question, because a star of that size is impossible. Besides, the size of a star depends on more than just its... | [] | [] | [
[]
] | |
3vetvl | why are most of amazon's highest discount flash sales on jewelry or watches? how can the seller afford to list them at +/- 90% off? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/3vetvl/eli5_why_are_most_of_amazons_highest_discount/ | {
"a_id": [
"cxmvh6g"
],
"score": [
5
],
"text": [
"Because they are the items with the biggest margin. They might be still making money at 90% off.\nMy girlfriend used to work in a watch shop and could buy watches at cost - a watch that retailed for $200 cost her about $30."
]
} | [] | [] | [
[]
] | ||
342gug | how do vaccines you can get after exposure to a disease work? | The way I understand vaccines is that you get injected with a small amount of dead or deactivated pathogens so your body learns to make antibodies for them. How can that help if you've already got real pathogens in your system? Or do these vaccines work differently? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/342gug/eli5_how_do_vaccines_you_can_get_after_exposure/ | {
"a_id": [
"cqqohjc",
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"score": [
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2
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"text": [
"After the immunisation ( it can be by vaccine or naturally as a first infection for example ) there will be memory immune cells left in your body. So if the pathogen occurs again in your system, your body can eliminate it q... | [] | [] | [
[],
[]
] | |
35pykd | the difference between red, pink, and white wine | I'm a douchebag college frat kid about to go to Rome for a summer semester and the only thing I know is cheap beer and vodka | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/35pykd/eli5_the_difference_between_red_pink_and_white/ | {
"a_id": [
"cr6nnf3",
"cr6ns6i",
"cr6nsyr"
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"score": [
2,
2,
2
],
"text": [
"The color comes from the incorporation (or lack thereof) of the skins of the grapes. Red wine uses the red (or other dark colored) grapes and their skins. White wine uses a variety of grapes, sans skin.... | [] | [] | [
[],
[],
[]
] | |
1v4ivd | Why are eggs slightly wider on one end? | Simple as that. Why are eggs "prolate spheroids?" | askscience | http://www.reddit.com/r/askscience/comments/1v4ivd/why_are_eggs_slightly_wider_on_one_end/ | {
"a_id": [
"ceoo2gi",
"cep6b3w"
],
"score": [
7,
2
],
"text": [
"This shape provides superior strength and limits the distance that an egg can \"roll\" away. Especially important for those cliff-dwellin' birds!",
"Actually, its because of the animal and vegetal poles I believe. Veget... | [] | [] | [
[],
[]
] | |
6k1je5 | how can the power company direct renewable electricity to my meter but nonrenewable to the apartment upstairs with no new wires? | I recently received a letter in the mail from my power company that I now have the option to go to 100% renewable energy. It touts how no one needs to come to the house, no new wires, and they just switch it over. I live in a split level home with separate meters. How does this work? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6k1je5/eli5_how_can_the_power_company_direct_renewable/ | {
"a_id": [
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"score": [
4,
16,
3,
2,
3,
2,
2
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"text": [
"It doesn't. The same electric flows out. The company just tracks how much flows out of the meter that should ... | [] | [] | [
[],
[],
[],
[],
[],
[],
[]
] | |
7zzhf9 | how do people critique music | [deleted] | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/7zzhf9/eli5_how_do_people_critique_music/ | {
"a_id": [
"duscr0f"
],
"score": [
2
],
"text": [
"Well in the end it's all subjective anyway . However , music critics will generally tend to favour songs with clever lyricism , memorable melodies , excellent production (how good the album sounds from an audio standpoint) and it's relation to th... | [] | [] | [
[]
] | |
58w09s | if it's possible to sli two gpus, why is it not possible to sli two cpus? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/58w09s/eli5_if_its_possible_to_sli_two_gpus_why_is_it/ | {
"a_id": [
"d93n5lo",
"d93nwmx",
"d93p255"
],
"score": [
9,
5,
4
],
"text": [
"Uhh, multi socket boards have been around for ages...they don't need a physical connection between the two becuase they are connected via the FSB (front side bus) they are in tangled via software suppor... | [] | [] | [
[],
[
"http://www.dell.com/us/business/p/precision-t7810-workstation/pd?oc=cup7810w7p_4&model_id=precision-t7810-workstation"
],
[]
] | ||
2f1gxx | how can a drink taste "dry"? | I really enjoy dry whites and beers, but I don't really understand the use of the word dry to describe them. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2f1gxx/eli5_how_can_a_drink_taste_dry/ | {
"a_id": [
"ck4z65c",
"ck4zuaz",
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"ck58zky"
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"score": [
5,
2,
10,
3
],
"text": [
"Pretty sure it means the absence of sweetness ",
"It's just a way to describe the taste, not the texture or actual properties of the drink\n\nHave you never had a drink that t... | [] | [] | [
[],
[],
[],
[]
] | |
4hxei4 | how do swim goggles help you see better underwater? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/4hxei4/eli5_how_do_swim_goggles_help_you_see_better/ | {
"a_id": [
"d2t7p2f"
],
"score": [
3
],
"text": [
"the \"refractive index\" of air and of water is very different.\n\nSometimes if you can't see well underwater it's because the index of refraction is not optimal to focus the light on the back of your eyeball, but in some cases it's the opposite.... | [] | [] | [
[]
] | ||
1qfi3p | What did the ancients think menstruation was? How did they explain what it's function was? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/1qfi3p/what_did_the_ancients_think_menstruation_was_how/ | {
"a_id": [
"cdcarx0"
],
"score": [
5
],
"text": [
"There a lot of varying accounts in Egypt about what really caused menstruation, medicinal papyri say a lot of different things on menstruation, but there weren't any big theories on what actually caused menstruation. For the most part, menstruati... | [] | [] | [
[]
] | ||
3g2uzu | Wooden plane parts? | Hello fellow history buffs! I'm looking for some information on some plane parts I found, they appear to be wooden frames skinned with navy blue painted plywood. They were found near Ewa Marine Airbase in Hawaii sometime in the 1960's. They look as though they were part of a plane that had been shot up. The only pr... | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3g2uzu/wooden_plane_parts/ | {
"a_id": [
"ctucobq"
],
"score": [
2
],
"text": [
"might as well post the pictures"
]
} | [] | [] | [
[]
] | |
ej8bkc | why does a brisket crust get so dark? | Cooked a brisket for 15 hours with only salt and pepper.after about 15 hours the crust was almost black but doesn't taste burnt. Is it from cooking so long or is there more to it? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/ej8bkc/eli5_why_does_a_brisket_crust_get_so_dark/ | {
"a_id": [
"fcwfuaa"
],
"score": [
4
],
"text": [
"It's from cooking.\n\nThe Maillard reaction changes the proteins in the outer layer of meat into that tasty bark goodness. Simple caramelisation of the limited sugars in the brisket probably has a similar effect but less significant effect."
]
... | [] | [] | [
[]
] | |
equx2l | How did Medieval Catholic Mass evolve to how it is today? | If I were to attend one, say, in the 14th Century or something, would there be a major difference? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/equx2l/how_did_medieval_catholic_mass_evolve_to_how_it/ | {
"a_id": [
"feypt5c"
],
"score": [
9
],
"text": [
"Yes. To respond somewhat quickly to you there have been multiple iteration of the \"Mass\" throughout the history of Catholicism. If we were to isolate two key moments I would undoubtedly say the Council of Trento (1545-1563) and the Second Vatic... | [] | [] | [
[]
] | |
35wsyh | What stopped free blacks in the pre-Civil War American South from being re-enslaved by white people? | Is it that they were deemed able to own themselves, and so were protected under property law? I'm just trying to understand the social and legal constructs that allowed for some blacks to be free (though second-class citizens) during that time. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/35wsyh/what_stopped_free_blacks_in_the_precivil_war/ | {
"a_id": [
"cr8nf5e"
],
"score": [
29
],
"text": [
"There are numerous examples of this actually happening to black people. Not just in the South, but multiple free black men in the North were kidnapped and sold into slavery down South. If you didn't have documentation on you that said you were f... | [] | [] | [
[]
] | |
1qj3z0 | why are there some currencies, like the yen for example, which have so large numbers for so small prices? | For example, a coke in Japan is 150¥. Why isn't it 1.5¥? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1qj3z0/eli5why_are_there_some_currencies_like_the_yen/ | {
"a_id": [
"cddadk1",
"cddbphr"
],
"score": [
4,
3
],
"text": [
"When the Yen was introduced in the 1870s, it had approximately the same value as the dollar. However, 140 years have had their affect on the comparative prices - it dropped a lot because Japan followed a silver currency stan... | [] | [] | [
[],
[]
] | |
o5i1l | transcendentalism | We're working on this topic in English and I have no idea what it is! Can someone explain this to me please? I need to know who some modern Transcendentalists are and how contemporary society reflects Transcendentalist ideas. Thank you! | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/o5i1l/eli5_transcendentalism/ | {
"a_id": [
"c3eiqy7",
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"c3ekowv",
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4,
8,
16,
3
],
"text": [
"God created the world, but sorta blew himself up to do it. therefore, God is in every part of nature. what is perfect and pure and beautiful is nature. and ... | [] | [] | [
[],
[],
[],
[],
[]
] | |
n1a14 | Is it possible to neutralize the effects of a hot pepper? | I know that people say to drink milk or eat bread but I also know those things aren't that effective. What I was wondering is if there's any sort of food or chemical that works against the effects of a chili pepper so you wouldn't notice the hotness of it. | askscience | http://www.reddit.com/r/askscience/comments/n1a14/is_it_possible_to_neutralize_the_effects_of_a_hot/ | {
"a_id": [
"c35hmpa",
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"score": [
4,
3,
4,
3
],
"text": [
"Milk actually does work. Milk contains casein, which binds to capsaicin oil (what causes the hotness in peppers). If you drink enough of the milk, all of the capsaicin molecules wi... | [] | [] | [
[],
[
"http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2497455/?tool=pmcentrez",
"http://www.americanscientist.org/issues/feature/feel-the-burn",
"http://www.ncbi.nlm.nih.gov/pubmed/17217056",
"http://antoine.frostburg.edu/chem/senese/101/features/capsaicin.shtml"
],
[],
[
"http://www.ncbi.n... | |
chzbk5 | how much of a cold or flu virus do you have to be exposed to in order to catch it? | As I sit on a train home from work in Australian winter, half the carriage is coughing and sneezing. My understanding is that, generally, cold/flu viruses spread either through the air and being inhaled into the nose/lungs, or by being left on a surface by contact and subsequently picked up by new contact and then pass... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/chzbk5/eli5_how_much_of_a_cold_or_flu_virus_do_you_have/ | {
"a_id": [
"euzpr70",
"euzrtrs",
"ev00rrw"
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"score": [
4,
12,
16
],
"text": [
"Cold and Flu aren't the same thing. A factoid I learned recently was quite interesting: there's about 200 different cold viruses that you catch repeatedly through your life, and you're immune for abou... | [] | [] | [
[],
[],
[]
] | |
bzmf6i | how are cities just “buried” and built on top of? | The catacombs in Paris have sidewalks and ruins of buildings and are now completely covered by the modern city. Also under Manchester... I don’t get how a city used to exist and then another one is simply built on top. Let me know, thanks! | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bzmf6i/eli5_how_are_cities_just_buried_and_built_on_top/ | {
"a_id": [
"eqtruv2",
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"score": [
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5
],
"text": [
"Well, for the catacombs at least it's actually the other way around. As a TL;DR At the end of the 1700's there were large sprawling networks of stone mines haphazardly placed under Paris that were threatening the structural ... | [] | [] | [
[],
[]
] | |
2dvwbm | why did disney channel/nickelodeon/cartoon network aim their shows towards teenagers and put cartoons on a separate channel? | Psychology? Demographics? Money? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2dvwbm/eli5_why_did_disney_channelnickelodeoncartoon/ | {
"a_id": [
"cjtlt50"
],
"score": [
2
],
"text": [
"I think /u/rudd_fuckers said it pretty well, but I'd also add that the advent of the DVR has a lot to do with it as well. Since everyone has a DVR if you have cable, then it makes sense to be able to fill up the DVR with loads of whatever you ar... | [] | [] | [
[]
] | |
40ty36 | the canadian dollar being as low as it is, how is that affecting us with normal shopping ? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/40ty36/eli5_the_canadian_dollar_being_as_low_as_it_is/ | {
"a_id": [
"cyx1t4k"
],
"score": [
2
],
"text": [
"Any item that's imported into Canada is likely to be more expensive. It won't hit right away, since lots of things have been \"in the pipeline\" for a while in order to get to our shelves. You can already see it in the prices of perishable good... | [] | [] | [
[]
] | ||
6mgzr0 | Are Julius Caesar's remains still extant? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/6mgzr0/are_julius_caesars_remains_still_extant/ | {
"a_id": [
"dk1kblp"
],
"score": [
19
],
"text": [
"Julius Caesar's remains are not extant, because he was cremated, not buried. The Temple of Caesar was built on the site of his cremation, in the main square of the Roman Forum, but only the altars remain of it now. There was also a wax-statue di... | [] | [] | [
[]
] | ||
6kqmn7 | how did early colonial settlers navigate across the atlantic ocean to find the specific port they intended to go(i.e plymouth, jamestown)? | Sure, they may have been able to head in the general direction. But how would a second wave of settlers find a specific port?
| explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6kqmn7/eli5how_did_early_colonial_settlers_navigate/ | {
"a_id": [
"djo25nc",
"djo3xtm",
"djo9jg2",
"djoho8s"
],
"score": [
9,
7,
2,
2
],
"text": [
"Astrolabe and similar instruments have been around at least 1200 years. With charts and calibration calculating latitude is possible. Along with compasses, maps, wind maps, current... | [] | [] | [
[],
[],
[],
[]
] | |
2433ml | Is there any medicine that has no side effects? | askscience | http://www.reddit.com/r/askscience/comments/2433ml/is_there_any_medicine_that_has_no_side_effects/ | {
"a_id": [
"ch3blqs"
],
"score": [
13
],
"text": [
"Paracelsus, old toxicology geezer, said that 'All things are poisons, for there is nothing without poisonous qualities. Dose alone determines the poison'.\n\nTrue words - everything is poisonous/has side effects in the wrong amounts. Too much ox... | [] | [] | [
[]
] | ||
14ah6s | How was 18th century Britain interacting with the Arab world? | I'm thinking in terms of commerce, intellectual and literary exchange, etc. How was 18th century Britain influenced (if at all) by this part of the world? Any information you could share would be useful. I am also grateful for any books or articles you could recommend on this topic. Thank you! | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/14ah6s/how_was_18th_century_britain_interacting_with_the/ | {
"a_id": [
"c7bg30c"
],
"score": [
5
],
"text": [
"Arabia was part of the Ottoman Empire. As such, that would be your frame of reference.\n\nTry Gerald Maclean, [*Looking East: English Writing and the Ottoman Empire Before 1800*](_URL_0_). But the development, progressively, of an orientalist p... | [] | [] | [
[
"http://www.worldcat.org/oclc/137331447"
]
] | |
1qvn5k | τ vs π as the circle constant | I read the Tau Manifesto, but I didn't really get much past why it's better for understanding radians. | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/1qvn5k/eli5_τ_vs_π_as_the_circle_constant/ | {
"a_id": [
"cdgzzd0",
"cdgzzww",
"cdh0fxn"
],
"score": [
2,
2,
2
],
"text": [
"It's just like an argument about whether you should measure distance in centimetres or metres (or inches or feet if you're American). Neither is more correct, but one is often more convenient than the o... | [] | [] | [
[],
[],
[]
] | |
2up2m3 | if my internet connection is only 20mbit/s, why do i need a 1300mbit/s wifi-ac router? | Why can't I simply use a cheap b or g router that has a much lower transfer rate, when my internet connection is so slow? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2up2m3/eli5_if_my_internet_connection_is_only_20mbits/ | {
"a_id": [
"coacyd4",
"coaduhc"
],
"score": [
3,
2
],
"text": [
"unless you are transferring stuff between computers within your home (which would use the access point locally but not use the internet) you don't need one that fast.",
"In the event you want to do a device to device fil... | [] | [] | [
[],
[]
] | |
65g63a | why are goats more susceptible to tensing up after being surprised? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/65g63a/eli5_why_are_goats_more_susceptible_to_tensing_up/ | {
"a_id": [
"dg9zise",
"dg9zjhy"
],
"score": [
5,
2
],
"text": [
"In general they aren't.\n\nThe particular goats you see are known as fainting goats. They have a neurological disorder that causes that strange behavior.\n\nSome people are amused by this, and specifically breed goats with ... | [] | [] | [
[],
[
"https://en.wikipedia.org/wiki/Myotonia_congenita"
]
] | ||
bp8dy8 | how do websites know to go to the mobile version on your phone even when you click a desktop link but don't know how to go to the desktop version on your desktop if you click a mobile link? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/bp8dy8/eli5_how_do_websites_know_to_go_to_the_mobile/ | {
"a_id": [
"enpx8ez",
"enpxemn",
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"enr32mg",
"enr3a7u",
"ensnr7z"
],
"score": [
5,
9,
39,
14,
4,
2,
2
],
"text": [
"Basically html and JavaScript code that checks the resolution of your screen and other browser information to de... | [] | [] | [
[],
[],
[],
[
"www.m.example.com",
"www.example.com"
],
[
"m.site.com",
"site.com",
"www.site.com"
],
[],
[]
] | ||
2divti | Why did the British and Ottomans and French team up against Russia in the Siege of Crimea? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/2divti/why_did_the_british_and_ottomans_and_french_team/ | {
"a_id": [
"cjq2ub6"
],
"score": [
4
],
"text": [
"After the Battle of Sinope, Russian Navy dominated the Black Sea, which brought up the threat of Russian attack on Bospor and subsequently Dardanelles, thus opening the way into Mediterannean, something British and French governments and elites t... | [] | [] | [
[]
] | ||
fm9ru | What useful senses are we missing out on as humans? How could we go about acquiring them if we wanted? [followup to egoncasteel's post] | For example, innate sense of compass direction using a "[Northpaw](_URL_1_)" (except less clunky and more like an elastic ankle band).
Some ideas:
internal maps/additive sense of direction
clock/timer
barometer
em field sensor
echolocation
safe poison/nutrition analysis
children's location/stress level
... | askscience | http://www.reddit.com/r/askscience/comments/fm9ru/what_useful_senses_are_we_missing_out_on_as/ | {
"a_id": [
"c1gyzej",
"c1gzd2w",
"c1gzhju"
],
"score": [
3,
4,
2
],
"text": [
"not exactly askscience, but f it. I want the ability to measure distance accurately. I can't estimate lengths for crap.",
"More types of color sensors in the eye would be nice, as would being able t... | [] | [
"http://www.reddit.com/r/askscience/comments/fm71s/if_we_connected_the_nerves_of_a_baby_to_a_sensor/",
"http://sensebridge.net/projects/northpaw/"
] | [
[],
[],
[]
] | |
4am850 | Before around the 1980s or 90s, most countries only had one, two, or three TV channels, but starting in the 80s and 90s they began to proliferate. What changed in that time? | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4am850/before_around_the_1980s_or_90s_most_countries/ | {
"a_id": [
"d11savt"
],
"score": [
3
],
"text": [
"In the Middle East the big difference was the launch of the first telecommunications satellites in the 1980s and 90s like Arabsat. This was combined with the launch of some of the first independent (i.e. non-state) TV enterprises around the same ... | [] | [] | [
[]
] | ||
3b12ro | why do a lot of people seem to be so averse to casinos being built in their town? | I live in St Louis, and there are 5 casinos within a 15 mile radius of me. What harm do people think they cause? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/3b12ro/eli5_why_do_a_lot_of_people_seem_to_be_so_averse/ | {
"a_id": [
"cshutq9"
],
"score": [
2
],
"text": [
"There will always be a not in my backyard mentality, for various things. Not just for casinos, but for almost anything.\n\nThere is a concern that casinos can bring in some of the more undesirable elements, such as crime. I have never done rese... | [] | [] | [
[]
] | |
64ao63 | why an arrow to the body doesn't kill you but a bullet does | I know it depends on where the projectile hits, but I'm talking in general. Why does a bullet do more damage than an arrow? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/64ao63/eli5_why_an_arrow_to_the_body_doesnt_kill_you_but/ | {
"a_id": [
"dg0np36",
"dg0nxfi",
"dg0orv3",
"dg0vowc"
],
"score": [
8,
3,
2,
2
],
"text": [
"Arrows and Bullets have very different physics that drive their assault upon your body.\n\nArrows, once they enter tend to stay on a very straight trajectory, because the shaft of ... | [] | [] | [
[],
[],
[],
[]
] | |
29fu3a | I'm home with pharyngitis and craving entertaining, accurate and can't-look-away historical documentaries. | Preferably ones I can access on YouTube. Ive seen all by Mary Beard -- I love those! Any suggestions? Apologies if this is not an appropriate question for this sub. | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/29fu3a/im_home_with_pharyngitis_and_craving_entertaining/ | {
"a_id": [
"cikk0au"
],
"score": [
3
],
"text": [
"Here are a few that stick in my mind as being more entertaining/compelling; you should be able to find them online or at your library:\n\n* BBC series *Voyages of Discovery* (2006) - hosted by enthusiastic Australian explorer [Paul Rose](_URL_1_)... | [] | [] | [
[
"http://www.afilmunfinished.com/",
"http://www.paulrose.org/voyages-discovery.html"
]
] | |
3fjbtb | Why is Anglicanism not as prevalent in former British colonies as Catholicism is in former Spanish/Portuguese colonies? | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/3fjbtb/why_is_anglicanism_not_as_prevalent_in_former/ | {
"a_id": [
"ctp7n8j"
],
"score": [
14
],
"text": [
"In a word, Time. The first European powers to reach the New World were Spain and Portugal, these two heavily Catholic nations led the way in colonial expansion for a good two hundred years before the United Kingdom had left Britannia giving them... | [] | [] | [
[]
] | ||
2utplr | if we can simulate audio and visual elements (e.g, movies, video games), why can't we do that with feeling, tasting, and smelling, elements as well? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2utplr/eli5_if_we_can_simulate_audio_and_visual_elements/ | {
"a_id": [
"coblktg"
],
"score": [
3
],
"text": [
"Actually, we can, but it's more complicated. Hearing and sight are detection of energy rather than matter (light or moving air), so we can produce it using electricity. We're not interested in light's particle characteristics here, only the fact ... | [] | [] | [
[]
] | ||
9w0n91 | why do movies and tv shows have to use fake money during taping? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/9w0n91/eli5_why_do_movies_and_tv_shows_have_to_use_fake/ | {
"a_id": [
"e9gn22u",
"e9gsfas"
],
"score": [
13,
3
],
"text": [
"They don't *have* to, but it's easier on the props department if the huge wad of money that 100 people end up handling for the day wasn't actually made up of $10,000.\n\nIt's also easier to get a hold of for the film maker,... | [] | [] | [
[],
[]
] | ||
15qinq | Soviet Russian USSSR experts, what can you tell me about this real photo double postcard? | _URL_0_ | AskHistorians | http://www.reddit.com/r/AskHistorians/comments/15qinq/soviet_russian_usssr_experts_what_can_you_tell_me/ | {
"a_id": [
"c7ow2kb",
"c7ox1vb"
],
"score": [
3,
5
],
"text": [
"Do you have an alternate way of sharing that image? It prompts me to sign into Yahoo.",
"Translation: Solemn meeting on the day of the opening of the Dnerperoges 10 Oct 1932.\n\nIt was apparently taken at the opening of... | [] | [
"http://i.imgur.com/TOmKf.jpg"
] | [
[],
[
"http://translate.google.com/translate?sl=ru&tl=en&js=n&prev=_t&hl=en&ie=UTF-8&eotf=1&u=http%3A%2F%2Fwww.calend.ru%2Fevent%2F4107%2F&act=url"
]
] | |
b1ax9r | the logic behind "that is such a virgo move!" what defines an astrological sign's personality, and how does everyone seem to know about them by heart? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/b1ax9r/eli5_the_logic_behind_that_is_such_a_virgo_move/ | {
"a_id": [
"eikiqx5"
],
"score": [
4
],
"text": [
"In my opinion there is no logic to. The time of the year will have more of an impact on your personality than the environment you were brought up in? Nah not for me.\n\nThe reason why you see inconsistencies is because it's not real. \n\nJust Goo... | [] | [] | [
[]
] | ||
eev9gd | how do electric motors create so much more torque than gas engines? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/eev9gd/eli5_how_do_electric_motors_create_so_much_more/ | {
"a_id": [
"fbwrgrt",
"fbwt3ec",
"fbwwoib"
],
"score": [
2,
2,
2
],
"text": [
"They don't exactly. Reduction is one part, the other part is an electric motor has a flat torque curve across the RPMs unlike ICE",
"The electric motor has full power at low rpm, and at any rpm.\n\n... | [] | [] | [
[],
[],
[]
] | ||
20bqjc | how do (would) radio communications in real time work in space and / or at high speeds. | I can't get how real-time radio chat is possible in, for example, a space vehicle or plane exceeding the speed of sound. Assuming the vehicle is travelling away from the transmission the wave will never catch it. I know I'm wrong, but how? How did communications at epic space distances (think Apollo missions) work in r... | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/20bqjc/eli5_how_do_would_radio_communications_in_real/ | {
"a_id": [
"cg1nnxz",
"cg1np2o",
"cg1nprw",
"cg1nu3m"
],
"score": [
8,
2,
2,
2
],
"text": [
"Radio waves move at the speed of light. Which is far faster then sound.",
" > Assuming the vehicle is travelling away from the transmission the wave will never catch it. I kno... | [] | [] | [
[],
[],
[],
[]
] | |
4oh8ft | were Americans allowed to own cannons under the second amendment? | "A well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear Arms, shall not be infringed."
basically, did the term "arms" refer only to the individual firearms of the time, or would it have been acceptable for an average person to own a cannon? are there any rec... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/4oh8ft/were_americans_allowed_to_own_cannons_under_the/ | {
"a_id": [
"d4cpccu",
"d4ctsm1"
],
"score": [
145,
27
],
"text": [
"Yes, private citizens were allowed to own cannons, and many did. It was very common for private merchant ships (for example) to be equipped with cannons. They were called \"armed merchantmen\" - so yes, \"arms\" definit... | [] | [] | [
[
"https://www.reddit.com/r/AskHistorians/comments/1wdg5z/could_someone_fact_check_this_short_video/cf17gqb"
],
[]
] | |
6whw6q | why do our brains seem to have specific receptors just for drugs? | For example our brain produces cannabinoids so I assume there is a specific receptor which deals with these. More importantly though, I often read about our brains having opioid receptors, though I don't understand why. Were we supposed to do drugs? Why does our brain have its own specific set of receptors for seemingl... | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6whw6q/eli5_why_do_our_brains_seem_to_have_specific/ | {
"a_id": [
"dm85on6",
"dm85skp"
],
"score": [
9,
8
],
"text": [
"A better question is: why are there drugs for every set of receptors? And that's because molecules can take so, so, so, so, *so* many shapes that for every receptor there are bound to be some molecules that lock on the recep... | [] | [] | [
[
"https://en.wikipedia.org/wiki/Tetrahydrocannabinol#Mechanism_of_action",
"https://en.wikipedia.org/wiki/N,N-Dimethyltryptamine",
"https://en.wikipedia.org/wiki/JWH-018#Pharmacology"
],
[]
] | |
czcahi | when a politician (or whoever) says something to a journalist “off the record” what stops them just reporting the information and source anyway? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/czcahi/eli5_when_a_politician_or_whoever_says_something/ | {
"a_id": [
"eyxeteq",
"eyxf8p9",
"eyxhske",
"eyxwf28"
],
"score": [
3,
11,
4,
2
],
"text": [
"Of course they could publish the information anyways but say good bye to any working relationship they had. When you tell something “off the record” it is usually providing backgr... | [] | [] | [
[],
[],
[],
[]
] | ||
jj755 | systemic lupus erythematosus | My Aunt has just been diagnosed with this. The doctors are not making sense to her, she has asked me simplify it for her, and wiki makes no sense to me.
| explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/jj755/eli5_systemic_lupus_erythematosus/ | {
"a_id": [
"c2clajb",
"c2codms",
"c2clajb",
"c2codms"
],
"score": [
2,
3,
2,
3
],
"text": [
"[Wiki on lupus](_URL_0_)\n[Webmd on lupus](_URL_1_)\n\nLupus (System Lupus Erythemoatosus, or SLE) is an autoimmune disease. It means that it's caused by your body's immune system ... | [] | [] | [
[
"http://en.wikipedia.org/wiki/Lupus",
"http://lupus.webmd.com/default.htm"
],
[],
[
"http://en.wikipedia.org/wiki/Lupus",
"http://lupus.webmd.com/default.htm"
],
[]
] | |
5wlc7n | What was flying like in 1960s America for African-Americans? | I'm having a little bit of trouble researching this topic. The novel I'm writing has a scene where our main character, who is black, is supposed to fly from a fictional city to Chicago in 1968.
He is portrayed as an average middle class African-American boy.
Is it unrealistic for him to be flying?
And how far, in advan... | AskHistorians | https://www.reddit.com/r/AskHistorians/comments/5wlc7n/what_was_flying_like_in_1960s_america_for/ | {
"a_id": [
"debea1z",
"debni9m"
],
"score": [
176,
110
],
"text": [
"In the sixties air travel wasn’t quite as popular as today; [travel by air was much more expensive than by rail or bus](_URL_1_); travel by bus cost $2.73 rail $0.71 and air $34.13 (Unadjusted for inflation). [With the a... | [] | [] | [
[
"https://airandspace.si.edu/exhibitions/america-by-air/online/abaImage.cfm?webID=308.p7",
"https://www.rita.dot.gov/bts/sites/rita.dot.gov.bts/files/publications/national_transportation_statistics/html/table_03_18.html",
"http://www.airspacemag.com/history-of-flight/aviations-jackie-robinson-16161631/... | |
lsgt2 | Zero-calorie sweeteners: What are these substances? What exactly am I putting into my body? Why is there a choice, and which is doing the least damage to my health? [pic inside] | _URL_0_
This always bothered me. Why is there a choice of FOUR different sweeteners, if they all taste EXACTLY the same and all they do is sweeten my coffee? | askscience | http://www.reddit.com/r/askscience/comments/lsgt2/zerocalorie_sweeteners_what_are_these_substances/ | {
"a_id": [
"c2v8hew",
"c2v8iyb",
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"c2v94sy",
"c2va8f9",
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"c2v8ly8",
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"c2va8f9"
],
"score": [
2,
2,
4,
2,
11,
2,
2,
4,
2,
11
],
"text": [
"Aspartame is a protein. It has the same numbe... | [] | [
"http://i.imgur.com/lMF7B.jpg"
] | [
[],
[
"http://www.snopes.com/medical/toxins/aspartame.asp",
"http://en.wikipedia.org/wiki/Phenylketonuria"
],
[
"http://en.wikipedia.org/wiki/Acrylamide",
"http://en.wikipedia.org/wiki/PAHs",
"http://en.wikipedia.org/wiki/Sucralose",
"http://en.wikipedia.org/wiki/Saccharin",
"http:... | |
gujs7 | How long does it take for a food born illness to set in? | Example, today I want to pick something up at the grocery store after work, but before I go to the gym. Is it OK to leave meat in my car while I go to the gym? It would be one to one and half hours tops.
**EDIT** Meat would be unfrozen. It would be about 70 degress outside. | askscience | http://www.reddit.com/r/askscience/comments/gujs7/how_long_does_it_take_for_a_food_born_illness_to/ | {
"a_id": [
"c1qenxc",
"c1qeyg3"
],
"score": [
5,
6
],
"text": [
"*borne\n\nis the meat frozen or fresh? how hot is it in the car?\n\ntoo many variables, not enough detail.",
"Perhaps it would make more sense to go to the gym *and then* to the grocery store?\n\nAlso, your safest bet i... | [] | [] | [
[],
[]
] | |
2hghli | what's so special about the f-22s | I understand the over spending and high costs for each jet, but what makes them so special and revered as so bad ass? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/2hghli/eli5_whats_so_special_about_the_f22s/ | {
"a_id": [
"cksfp48",
"cksu33x"
],
"score": [
6,
2
],
"text": [
"They're fairly stealthy, have radar that is hard for other fighters to detect (meaning they can see and shoot without being seen in return), they can fly at supersonic speeds without using afterburner and thus burning throug... | [] | [] | [
[],
[]
] | |
jpevm | vacuum tubes | I know they were used in computers and still are used in amps... how do they work? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/jpevm/eli5_vacuum_tubes/ | {
"a_id": [
"c2e3kna",
"c2e3kna"
],
"score": [
4,
4
],
"text": [
"First you need to understand a little bit about current and voltage. An electric *current* is the flow of electrons, moving from one place to another. A *voltage* is something that makes electrons want to flow; imagine, fo... | [] | [] | [
[],
[]
] | |
22qj90 | how do gas stations function? | Who makes all of the money?
How do so many survive so close together?
Who actually determines the cost per gallon? | explainlikeimfive | http://www.reddit.com/r/explainlikeimfive/comments/22qj90/eli5_how_do_gas_stations_function/ | {
"a_id": [
"cgpftol"
],
"score": [
2
],
"text": [
"The company that supplies the fuel to the distributor makes all the money as well as the companies that produce the cigarettes and food items etc.\nThey survive so close together because everyone needs to go there all the time and if youre on opp... | [] | [] | [
[]
] | |
6mrdez | if total blood volume depends on weight. where does the extra blood go when you get slimmer? | Also if you lose weight does your blood volume and number of cells and plasma etc all reduce as well? | explainlikeimfive | https://www.reddit.com/r/explainlikeimfive/comments/6mrdez/eli5_if_total_blood_volume_depends_on_weight/ | {
"a_id": [
"dk3uoq8",
"dk407ce"
],
"score": [
9,
2
],
"text": [
"Your body produces less. Blood cells are produced all the time as the cells die, and are carried around in fluid. Your body just uses less fluid (and makes less cells so the concentration stays the same) \n",
"When your ... | [] | [] | [
[],
[]
] |
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