id stringlengths 5 6 | input stringlengths 3 301 | output list | meta null |
|---|---|---|---|
39qbbb | used car pricing. | [
{
"answer": "1. people highball their car because potential buyers will haggle down the price. that is a near guarantee, so they list the car higher. \n\n2. people wildly overestimate the value of their car. it might have 200k+ miles and there might be a crack in the manifold... but it drives like a dream!\n\n3... | null |
21oyko | The Colombian conflict from the 60s until 1994. Anyone know any good resources? | [
{
"answer": "I can't recommend it because I haven't read it yet and I'm not a historian, but the [book list](_URL_0_) has one book on Colombia. It covers a wider area, but it's worth pointing out if you're interested in the subject.\n\nTo the mods: I'm technically referring to the book list and not making a rog... | null |
aneqcc | Why was the Domus Aurea in Rome buried? | [
{
"answer": "It was not abandoned wholesale, as many think. The Flavian emperors who came to power after Nero's death in 69 had listened to public opinion, and the Roman public was not very happy with Nero's capricious building program. We get scattered reference to the building as \"hated.\" Tacitus (*Annales... | null |
1spg12 | Why Ethiopian Orthodox Christianity didn't expand into the rest of Sub-Sahara Africa? | [
{
"answer": "Ethiopian Orthodox Christianity had a distinct connection to the landed nobility and ruling houses of Ethiopia--through Biblical connections--and the theology in question was tied very strongly to SW Asia. People further inland did not gain anything from conversion to a religion that recognized a ... | null |
rkbsh | How does prolonged use of pharmaceutical hypnotics (drugs used to treat insomnia) affect the human brain? | [
{
"answer": "Just this morning, in Denmark, there were a big fuss in the news concerning an increased number of pharmaceutical hypnotics persciptions for children (age 0-11) and teens (age 12-19). In relation to what the OP is asking, if someone know, how does hopnotics affect children (babies and toddlers) in ... | null |
29jsou | how do doctors get prescription medication? can they prescribe them to themselves or do they need to go to another doctor? | [
{
"answer": "They could prescribe for themselves, but they probably go to other doctors for a neutral point of view. Most doctors also are rich enough to go to another doctor when they're sick.\n\nSource: My grandfather was/is (he's like part time at the age of 73) a doctor.",
"provenance": null
},
{
... | null |
1f2ydh | How did German citizens feel about American "invaders" towards the end of the war? How aware were they of the reasoning behind the war and how did they feel about their own government? | [
{
"answer": "A gentle reminder that our rules don't allow for [personal anecdotes and speculation](_URL_0_).",
"provenance": null
},
{
"answer": "Could you elaborate what was for you the \"reasoning\" behind the war besides the clash between the wannabe German Empire and the existing UK, France and ... | null |
1drpna | How do bacteria and viruses "know" where things are? | [
{
"answer": "[Bonnie Bassler](_URL_0_) explains this beautifully. ",
"provenance": null
},
{
"answer": "For viruses: They don't. Viruses enter a cell basically by \"Velcro\" -- they have a protein that will specifically stick to one of your normal cell proteins, and enter the cell that way. This is ... | null |
1at0zk | If a human was thrown out into space, what would kill him first? Low pressure, low temperature, or lack of oxygen? | [
{
"answer": "Lack of oxygen, although if you hold your breath there might be significant physical damage to your lungs. The low pressure environment of space would rapidly de-oxygenate your blood, whereas cooling would occur (relatively) slowly due to the lack of thermal transfer other than radiative cooling. Y... | null |
h54id | What do you think about the parallel universes theory? | [
{
"answer": "This comes up a *lot.* It appears to be a widespread misapprehension.\n\nThere *is no* \"parallel universe\" theory. Seriously. Not kidding. No such theory exists. No such *hypothesis* exists. It's all been made up by the peddlers of science-fiction stories.\n\nThere are questions about whether the... | null |
1tw434 | why do stadiums have such a short lifespan relative to other buildings? | [
{
"answer": "Stadiums are basically concrete and aluminum seats. All the glitz goes in the boxes and high dollar seating. Then you have the dick measuring going on between owners over who has the best stadium. When they can find a government, local or state, to pay for it they want a bigger dick so they cut the... | null |
112y71 | Can a curved universe explain the accelerating expansion of the universe? | [
{
"answer": "The accelerating expansion of the universe isn't due to a gravitational pull between galaxies. The space itself between galaxies is expanding. Which is why we view objects farther away from us as traveling faster away from us. The more distance in between, the more space that gets in between, so th... | null |
1c0mm6 | Back in the days of Pangaea, was there nothing but ocean on the other side of the Earth? Or were there other continents, now lost? | [
{
"answer": "One vast ocean. Although there were probably some subduction arcs islands too, possibly even somme hotspot volcanics. the current pacific is not a bad analogy.",
"provenance": null
},
{
"answer": "It is a common misconception when looking at modern 2D maps that they only show half of t... | null |
fwg3n | Photons and relativity | [
{
"answer": "The simple answer is that there is no photon's perspective, so the question isn't particularly meaningful.\n\nIf that doesn't satisfy you: photons, when propagating, don't behave like particles at all -- they're just oscillating electrical and magnetic fields spreading through space. It's only when... | null |
3mcnpi | why is fried food crispy? | [
{
"answer": "Water is absorbed from the molecules surrounding the food items. When the h2o is freed the intermolecular bonds weaken and the item becomes crispy.",
"provenance": null
},
{
"answer": null,
"provenance": [
{
"wikipedia_id": "32816698",
"title": "Crispiness",
... | null |
3qhdz0 | Why did no Medieval European country recreate a Roman style army? | [
{
"answer": "There are several ways to look at your question.\n\nIt seems, though, that rather than speaking of professional standing armies in and of themselves, you're more curious about the tactics and such.\n\nFor that, first, you should look at the Battle of Adrianople in 378. In a battle between a Roman a... | null |
1i1rev | 1440p, 2k, 4k resolutions; what are they and why would i ever need these? | [
{
"answer": "Yes, your eyes would tell a difference. \n\nAs good as 1080p is, there is still more information that could be displayed on screen with a higher resolution. \n\nThis information would likely be crisper edges, better definition of features, and most importantly, less aliasing. \n\nAliasing is when a... | null |
ti6qj | Why does music make it easier to memorize things? | [
{
"answer": "Storing memory and recalling memory are each improved with recruitments of more neurons coding for and recalling that memory. Additionally, when that memory is tied to another, easy-to-recall memory (such as a familiar tune), the signal fidelity is much better (compared to extraneous neural noise).... | null |
4aiuvj | Why do some people have photographic memory, yet a normal person without one can still remember a huge quantity of information, such as the meaning of hundreds and thousands of words? What's the scientific difference between those two types of memory? | [
{
"answer": "No one has a photographic memory. It has never been proven to exist in the real world. It's merely a creation of art/literature/film for the sake of plot.\n\nSome people certainly have good memories, some of which are downright amazing, but no one has ever been recorded to have had a truly photogra... | null |
eap162 | What would the inside of sun look like to the human eye? | [
{
"answer": "It would appear brilliantly bright for a short time. The photons from fusion would still be very high energy, but the photons from temperature would not. It would emit lots of ultraviolet, blinding you, but also visible light.\n\nIt's a short time because the gamma rays would make short work of you... | null |
3uxb0b | how is your brain able to recreate the sound of, for example, a song, perfectly in your head so it seems like you can hear it? | [
{
"answer": "technically speaking, your brain is not recreating the sound of that song, it's only recalling its experience of it just like most other experiences it recalls, so your question is really a far more general one about how memories are stored. \n \nHowever in the case of music there are probabl... | null |
2olkez | why are american doctors so willing to prescribe strong painkillers when doctors in every other country aren't? | [
{
"answer": "**Tl;dr: It all boils down to different medical training and different laws.** \n\nAmerican doctors prescribe pain medication to prevent chronic pain, which is much more difficult to treat. Also, it is much more difficult for Americans to buy strong pain medications over the counter. In many Asian ... | null |
8amelo | What is the lower limit of the number of cells that can make up a multi-celled organism? | [
{
"answer": "The difference between a small colony and a true multicellular organism are probably arbitrary. Some protists like slime molds and volvox are capable of both unicellular and multicellular aggregations. \n\nIf you want a functional definition, I’d say that a multicellular organism would be any entit... | null |
15vvim | why do fish float upside down when dead or dying? | [
{
"answer": "Fish have a pocket of air called a \"swim bladder\" that they use to help themselves swim up and down. \n\nWhen a fish is healthy, they usually use chemical reactions to add or remove gas to the pocket, or just gulp in air and burp it out. \n\nWhen a fish is dying, it starts to lose control of the ... | null |
6iqlgj | how do doctors determine if a sickness (specifically, topical) is caused by a bacteria, virus, or fungus? | [
{
"answer": "They can either swab it and see what grows on media suited for microbial growth or through an immunoassay which uses antibodies and color indicators to identify specific probable species.",
"provenance": null
},
{
"answer": null,
"provenance": [
{
"wikipedia_id": "5854... | null |
f6bvzb | they said "the water doesn't have an expiration date, the plastic bottle does" so how come honey that comes in a plastic bottle doesn't expire? | [
{
"answer": "I used to work in regulatory compliance in a honey processing plant.\n\nHoney does not expire. IIRC there is evidence of 500+ years old honey found in clay pots that is perfectly safe to eat.\n\nThe date is a best before date.\nThis is because the Codex Alimentarius (from the WHO) ((on which the FD... | null |
4mw4av | how are new domain extensions (such as .tech, .xyz, ect) created? | [
{
"answer": "What you are describing is called a Top Level Domain, or TLD.\n\nThe organization reasonable is known as ICANN, or the Internet Corporation for Assigned Names and Numbers. Basically, they decide what TLDs should be made, which often makes some... weird ones (like .blackfriday).",
"provenance": ... | null |
2we6ox | what makes vlc able to play virtually any format and others players can’t? | [
{
"answer": "Some media formats require licensing fees that developers aren't willing or interested in paying. VLC either sidesteps these fees, or is exempt from them, or... maybe pays them, but I'd be surprised if that was the case. \n\nAlso, many developers and companies are more interested in pushing their ... | null |
b6wdcg | why are records still made of vinyl? i know they're more of a collector's item nowadays, but haven't we invented any materials that are more durable or would otherwise be better for the job? | [
{
"answer": "Vinyl is another name for PVC (Polyvinyl chloride). PVC is the world's third-most widely produced synthetic plastic polymer, after polyethylene and polypropylene.",
"provenance": null
},
{
"answer": "Due to the biggest advantage of Vinyl being that it is an analogue recording of the sou... | null |
86bo5e | what is a "confirmed kill"? is this a real military term or more a hollywood myth? | [
{
"answer": "It's real. The military keeps records of sniper kills, the range, the weapon used...etc. Traditionally it wasn't publicly discussed and was sort of a \"don't talk about fight club\" rule among snipers, but Hollywood has popularized the term.",
"provenance": null
},
{
"answer": "To add t... | null |
9cfqgj | would a gallon of water weigh the sams as a gallon of ice? | [
{
"answer": "No because a gallon is a measure of volume and weight in a constant gravitational field is related to mass not volume (force of gravity, or weight = mass*gravitational acceleration). \n\nImagine if you melted that gallon of ice so it decreased in volume. You would have less than a gallon of water. ... | null |
2ob5us | Since tidal force from the Moon moves such large quantities of water every day, do I weigh less at high tide? | [
{
"answer": "You weigh a tiny amount less when the moon is directly overhead.\n\nHigh tide occurs when the moon is overhead *and* when it's directly underneath. Tidal forces arise from the gradient of the moon's gravitational field across the Earth.\n\nThe moon pulls harder on the parts of the Earth closest to ... | null |
3m2lqh | Anyone know of any sources on the Republic of Pirates? | [
{
"answer": "I actually [just picked up this book](_URL_0_) today! It was recommended to me by a flaired user on this subreddit and I think it's in the subreddit book list.",
"provenance": null
},
{
"answer": null,
"provenance": [
{
"wikipedia_id": "43507984",
"title": "Rep... | null |
11opl3 | After reading about more and more exoplanets in the science media, I got to wondering what the most earth-like planet yet discovered is? Is there anything anywhere near the "habitable" zone yet discovered? | [
{
"answer": "This isn't directed at you, but more general musing. I've noticed that every time there is a big exoplanet announcement, every body seems to forget the last exoplanet announcement. It's not that people weren't aware of them, each one generates dozens of questions here. Curious.\n\nAnyway, here is t... | null |
a6uvqt | the newly discovered state of matter, "time crystals." what are it's properties, and what does it mean for scientific advancements? | [
{
"answer": "I'm far from an expert on this, but this is what I understood when I read about them.\n\nA regular crystal is a physical structure that does not change through time. A time crystal is a structure that does change through time, but does so predictably, on a cycle. If you have one that is on a 3 se... | null |
7ms57j | why aren't there symptoms of high blood pressure? | [
{
"answer": "High blood pressure can cause symptoms, which may include:\n\n* Severe headache (tension in capillary walls in the head).\n* Fatigue or confusion.\n* Vision problems (pressure on the retina).\n* Chest pain (tension in capillary walls of the heart).\n* Difficulty breathing (edema... | null |
1s4dmx | Is the nucleus of an atom organized in any way, like the electron cloud is? | [
{
"answer": "There are different theories for dealing with nucleons. The nucleus is a very complex object. That is because there are multi-body interactions between all the nucleons (protons and neutrons). The shell theory works very well and is very similar to how the electrons are organized into shells. T... | null |
2bt3yw | What sort of role was planned for smaller members of NATO in the event of a Soviet attack? | [
{
"answer": "I can't answer, but Albania, Slovakia (as part of Czechoslovakia) and Romania were all members of the Warsaw Pact during the Cold War.",
"provenance": null
},
{
"answer": null,
"provenance": [
{
"wikipedia_id": "6729973",
"title": "Force concentration",
... | null |
3ivgo1 | How were black people treated in 20th century Britain as compared to America? | [
{
"answer": "British Pathé's five minute 1955 short [\"Our Jamaican Problem\"](_URL_0_) offers a snapshot of some of the racial attitudes in mid-century Britain, when there was a strong wave of immigration from its (then) colonies in the Caribbean. Films like this would have been shown as part of the newsreel p... | null |
2lxynj | why are most computer related numbers even? | [
{
"answer": "Computers use binary numbers. We use decimal numbers.\n\n Binary Decimal\n 1 1\n 10 2\n 100 4\n 1000 8\n 10000 16\n 100000 32\n 1000000 64\n\nSo in computer-ese, numbers like 64 and 16 are round numbers.",
"provenance": null
},
{
"answer": n... | null |
sep0a | Questions about herbivores and their digestive capacity | [
{
"answer": "Q1) Most insects do not degrade cellulose, e.g. caterpillars excrete most of it. Leaf cutter ants use fungus gardens to break down cellulose whereas termites have gut bacteria to break down wood. Vertebrates also need bacteria in their guts to due it. \nQ2) I don't think you need any special enzyme... | null |
pmtlq | Deodorant dependance? | [
{
"answer": "Probably a genuine observation but with a bogus explanation. Both acne and [strong \"adult\" body odor](_URL_0_) are common symptoms of the onset of puberty. Should we believe that the bad smell of teen school locker rooms is exclusively caused by the students who as little kids were forced to (n... | null |
3qrpcf | In Aristotle's *Politics*, he refers to "the ancients". When people in classical Greece referred to Ancient times, how many years ago are they taking about. | [
{
"answer": "We can't say with any definitive authority who \"the ancients\" in total were in the mind of Aristotle however we do know some specific individuals that he considered to be part of that group and can draw some inferences from that information. As a matter of obvious formality, let me start by stati... | null |
porjr | Why does petting an animal relieve stress? | [
{
"answer": "Petting an animal stimulates a release of oxytocin (sometimes seen as the \"feel good\" hormone). That said the mechanism for this release remains unclear. We are fairly certain that Oxycontin receptors are found in both an area of the brain called the nucleus accumbens and the amygdala. Both of th... | null |
1bj5ya | why do i have to manually select "heat" or "cool" when choosing thermostat temperature? | [
{
"answer": "Because it's really expensive to switch constantly between heating and cooling to maintain a specific temperature, so normally only one is set up to work at a time, so that during the summer you set cool down to 60, it cools slightly past it, then waits for the outside to heat it up, then it cools ... | null |
2onvei | If helmets are designed to protect against shrapnel, why do modern helmets not follow the brodie-type shape, which seems optimal to protect against shrapnel coming from above? | [
{
"answer": "The design of the Brodie helmet (or M1917 for the American-made version) is really a product of the conflict that it was introduced during: the First World War. The executive summary here is that of all the things that can kill you in trench warfare that a helmet will protect against (so excluding ... | null |
50wno9 | are organs allergic? | [
{
"answer": "Allergies are when the host is incorrectly identifying allergens as foreign invaders. If your receive an organ, you aren't allergic to it; rather, your body detects that it is foreign and attacks it. I guess it's similar to an allergy, but not really. ",
"provenance": null
},
{
"answer"... | null |
fknf19 | How Were Medieval Noblewomen Trained In Administration? | [
{
"answer": "Oh, hey, I'd been meaning to respond to this for a few days now. \n\nThe main thing to note is that medieval noblewomen weren't just administrators of estates when their husbands were away in royal service, crusading, etc. They generally tended to be the managers of the household, its personnel, it... | null |
4h26vp | is there a species of animals or plants that have no native habitat? | [
{
"answer": "Well, there are some crop and livestock species whose wild ancestors are either extinct or not identified. Cows are descended from aurochs, which have been extinct since the 1600s; it's hard to say what, if anything, is the native range of the domesticated cow. Silkworms are in a similar situation.... | null |
37g8cn | What was the response (if any) when Romans encountered Buddhism? | [
{
"answer": "The closest thing we have to a response are literary depictions of the *gymnosophists* (\"naked wise man\"), which basically translates to \"naked wise men\". From what descriptions we have it is difficult to know whether these are Jain, Buddhist, Ajivika or Vedic Hindu. In fact it is probably best... | null |
2gjs28 | how does downloading data/files work? | [
{
"answer": "Data travels across the internet in packets. Each packet can carry a maximum of 1,500 bytes. Around these packets is a wrapper with a header and a footer. The information contained in the wrapper tells computers what kind of data is in the packet, how it fits together with other data, where the dat... | null |
8cnaxk | Why do historic paintings around the world of battle scenes and other dramatic events seem to always have emotionless faces on the people in it? | [
{
"answer": "Hi, I just ran into this question while searching for something. You might like this thread: \n\n* [Why do people in medieval art look bored or indifferent when being killed?](_URL_0_) by */u/silverionmox*\n",
"provenance": null
},
{
"answer": null,
"provenance": [
{
"... | null |
4y8xo7 | what the heck is an 'open source platform' for website building? | [
{
"answer": "Open Source is a phrase used to describe a methodology of software development. Instead of keeping the code closed and only allowing people use the software when it's assembled, they share the base code with everyone so they can work with it as well.\n\nThis inspires people to find bugs, security f... | null |
gtq86 | This is probably a dumb question, but what form of matter is light? | [
{
"answer": "Light isn't matter in any reasonable sense. It differs in many huge ways from matter, the most obvious being that it doesn't have any mass.",
"provenance": null
},
{
"answer": "Light is none of those.\n\nLight is made of photons, which are fundamental particles (completely separate from... | null |
4t5yyg | why is sport such a significant part of our society? | [
{
"answer": "My theory for the prevalence of sport in nearly every culture is that this acts as an outlet for our innate competitive instincts. In terms of an evolutionary advantage, communities that had this outlet perhaps had less internal violence which gave that community a better shot at survival. \n\nIn t... | null |
1aajw2 | When passing the event horizon of a black hole there are no paths leading away from the center, but are there longer or shorter paths towards the center? | [
{
"answer": "Yes there are, depending on your angular momentum.",
"provenance": null
},
{
"answer": null,
"provenance": [
{
"wikipedia_id": "2579267",
"title": "Ring singularity",
"section": "Section::::Traversability and nakedness.\n",
"start_paragraph_id":... | null |
1zv7p0 | Why is the Collatz Conjecture, a seemingly easy to understand problem, so difficult to prove? If it could be proven that any starting number eventually reaches a smaller number in the chain, would that be proof of the conjecture? | [
{
"answer": "I can only shed some light on the second part of your question, since the first is quite tough.\n\nIf it could be proven that any starting number eventually reaches a smaller number in the chain, then yes, that would be a proof of the conjecture. That idea is essentially the technique called the [P... | null |
1abszy | How prominent was the KGB in the USA? | [
{
"answer": "Very much involved. The KGB was _URL_0_ much that they even worked in the CIA. the most infamous kgb agent was Igor Orlov. He was a double agent. He worked in the cia offices in berlin and in the united states. He was also pretty heartless. To gain trust in the cia he recived orders to compromise o... | null |
3lsn72 | what is the difference between pro-life and pro-choice abortion? | [
{
"answer": "Pro-Life puts the life of the fetus as the most important factor in the choice to have an abortion or not, and is therefore the position where you are against letting women have the option of an abortion.\n\nPro-Choice puts the woman's right to choose what to do with her own body as the most import... | null |
124e0r | Russian troop movements WW1 | [
{
"answer": "In 1915, the president of France requested 300,000 Russian troops be sent to France, in return for a large shipment of munitions. This was rejected out of hand by the commander of the Russian army, but in 1916 Czar Nicholas II agreed to send a small num... | null |
49kzbk | how is it possible that my girlfriend is able to fall asleep within a minute or less? | [
{
"answer": "It's difficult to speak authoritatively without knowing your girlfriend, but it could be that she's just really good at unwinding before bed.\n\nIf you can take time to relax before turning in, it'll make it far easier to fall asleep. If someone's mulling over the state of the world, finances, job ... | null |
9ilyvy | why an object such as a piece of china won't stick back together on it's own after breaking | [
{
"answer": "So explaining this in actual ELI5 terms might be a little hard, so to keep things simple we'll just talk about failure of brittle materials which is what you're talking about in your example with a ceramic like a piece of china. My materials professor used to say that if you don't know the answer f... | null |
8ztldi | When classifying a moon, is it based around the relative size to the planet? Or do all moons have to be a certain size or larger? | [
{
"answer": "The word moon clearly describes an object that orbits something other than the main star in a system. Moons are not classified by their mass, size or composition. *Ganymede for example is the biggest one* with a diameter of 5,262 kilometers and we have just found that there are some with only a d... | null |
1a5scg | Origin of degeneracy pressure | [
{
"answer": "Pauli's exclusion principle isn't *ad hoc*. It's fundamental to the nature of fermions that, unlike bosons, no two can ever be in exactly the same state. The reason is that if you swap the states of two fermions, the overall state of the system is multiplied by -1. If those two fermions were in the... | null |
dfdc1e | why do leaves turn yellow (and other colors )? | [
{
"answer": "short answer, time of year changes amount of sun. Leaves are full of colors, we usually see green cause theres a bunch of chlorophyll being activated by sun. When theres less sun the plant cuts off supply of sugars to the leaf. Chlorophyll leaves, the other colors show. Theres also other factors th... | null |
17nxci | If the earth were drained of water and reduced to the size of a cue ball, would I feel a rough texture? | [
{
"answer": " > OK, first, how smooth is a billiard ball? According to the World Pool-Billiard Association, a pool ball is 2.25 inches in diameter, and has a tolerance of +/- 0.005 inches. In other words, it must have no pits or bumps more than 0.005 inches in height. That’s pretty smooth. The ratio of the size... | null |
17uzp8 | Following dyslexda's question, how would Han Dynasty soldiers have fared against Romans of the equivalent time? | [
{
"answer": "You might be looking for /r/historicalwhatif.",
"provenance": null
},
{
"answer": null,
"provenance": [
{
"wikipedia_id": "42740056",
"title": "Dragon Blade (film)",
"section": "Section::::Historic Basis.\n",
"start_paragraph_id": 42,
"s... | null |
m2079 | How do giant cities in the desert like Phoenix get enough water? Are they sustainable? | [
{
"answer": "Partly from groundwater, partly from imported water. Phoenix gets a substantial amount of its water from the Colorado River. These desert cities are built on the Basin and Range region of the U.S., and are commonly between two mountain ranges. The floors of these \"valleys\" are actually incredibly... | null |
4nzhub | how do political parties besides the republicans and democrats enter the presidential race? | [
{
"answer": "The same way that republicans and democrats do. The only difference is that republicans and democrats have more money and more supporters. So it's easier for an independent to just choose the side they more closely resemble. Or, people like Ron Paul, choose to run as a republican when they're actua... | null |
2j8qb1 | Which charges would Eva Braun have faced (in the Nuremberg) trials if she had not commited suicide? | [
{
"answer": "What exactly is a moral charge? I don't meant to sound rude, but the idea of a 'moral charge' in a legal trial is somewhat superfluous - either one is charged under a law or not.\n\nBraun essentially had nothing to do with politics despite being part of the inner social circle around Hitler, and al... | null |
2mfxha | how do guitar frets work? | [
{
"answer": "Each string is a base note (eg E). Every time you move up a fret, you're moving up a step. As you get closer to your picking hand, the notes get higher. As you go down towards the floor, the notes also get higher. As for identifying notes, chords etc songs generally are written in tabulatre, which ... | null |
7ybvcr | How does a flu vaccine lessen symptoms when you catch a flu variant that isn’t one of the variants in that seasons vaccination? | [
{
"answer": "First, we have to understand how vaccines work, in general. The basic premise is, we take a virus/bacteria and break it down into large chunks. These chunks are the outer shell/wall of the virus/bacteria, and as with most other cells, there are proteins that are embedded into them for communication... | null |
6guddo | just because pr votes for statehood doesn't make them a state right? wouldn't congress have to vote to approve such a move? | [
{
"answer": "Yes, statehood can only be granted if Congress votes for it. In fact, Congress doesn't even need the consent of the people in the territory to give them statehood (although that would be unlikely).\n\nBottom line, it's 100% the US Congress's decision. The vote is just an expression of interest.",... | null |
64wi82 | why do goats totally freeze and lock up their bodies in times of stress or fear? | [
{
"answer": "Not all goats do this, just myotonic goats. It's a neurological disorder. It can be fatal. This happens in other species as well. ",
"provenance": null
},
{
"answer": "It's only a certain type of goat that does that. They're generally bred that way then included in herds so that if a pr... | null |
efh969 | If you had a gas impermeable tube from the earth's surface to space (beyond the atmosphere) would it create a perpetual vacuum tube? | [
{
"answer": "If you built a tube from the surface of the earth to space you should expect no flow. There will be a pressure and density gradient in the tube due to earth's gravity, and it will maintain the same equilibrium as the atmosphere outside the tube.\n\nThe atmospheric pressure of the ambient air at the... | null |
2yjwbz | If there is no absolute position or speed, and both can be measured only in relation to something else, how can there be a maximum speed (light speed) and in relation to what is that measured? | [
{
"answer": "Round two, fight! I apologize for how long this got, I wasn't really keeping track and I ended up writing an essay on special relativity. **If you just want the answer to your question, scroll down to the bold.**\n\n**Short answer:** Light doesn't actually have a reference frame, which makes it spe... | null |
29kfm8 | elis: why are we so fascinated with scandinavian countries? | [
{
"answer": "Because economically, politically, and socially... many of them are the best humanity has provided. Mostly stable economies, education, and lack of crime.\n\nNot everyone agrees with that of course, but one must admit they ams gots a real sweets gigs.",
"provenance": null
},
{
"answer":... | null |
16geso | Why did William the Conqueror and King Harald of Norway both try to conquer England? | [
{
"answer": "Quick answer, different claims to the English throne.\n\nAlthough Harald himself did not have a claim, he was persuaded to invade by Tostig Godwinson, King Harold's brother. Tostig had been Earl of Northumbria, but after forces in Northumbria rebelled against King Edward, Tostig was exiled. (Obviou... | null |
2xdqsj | Why does it take so long to 'refill' (recharge) batteries compared to other energy sources like gasoline? | [
{
"answer": "It doesn't! \n \nWhen you refill your tank with gas, that's not equivalent to recharging a battery, it's equivalent to throwing out the old battery and buying a new one. \n \nRecharging the battery is analogous to filling your gas tank with organic matter and waiting a **really, really** long t... | null |
1hm89o | How good are humans at choosing randomly? | [
{
"answer": "I don't have the source at hand, but I read an article once about humans producing random numbers, and we don't seem to be very good at it. The biggest problem with human-generated strings of numbers, if I recall correctly the study used numbers 0-9, was that we tend to avoid using the same number ... | null |
2p53ub | what happens when i swallow my mucus. | [
{
"answer": "It's not bad to swallow your mucous. Your body is designed to swallow your mucous. Your stomach is very acidic and is designed to kill microorganisms. Your stomach naturally produces mucous, so it's not like there's going to be a massive accumulation of mucous there. ",
"provenance": null
},... | null |
bsvw4j | Bombardment of German Forces in WWI | [
{
"answer": "Most British monitors did not enter service until after the end of the Race to the Sea; the only monitors available were the three ex-Brazilian river monitors, *Severn*, *Humber* and *Mersey*. Other, larger monitors entered service in 1915, and did operate off the Belgian coast. The following will ... | null |
fpwwya | Do skin grafts include nerves, and if so do they retain the sensitivity of thier original location? | [
{
"answer": "No. The nerve terminals within the grafted tissue are dead.\n\nNerve fibers project to the skin from their cell bodies next to the spine. The underlying nerve fibers underneath the graft will slowly grow into the grafted skin, and sensation/function will return.",
"provenance": null
},
{
... | null |
7k8mo2 | why do ants and insects get trapped in pen circles? | [
{
"answer": "The ink has a solvent in it and the ant doesn't want to get solvent on itself. It's feelers detect it is getting close to the solvent, so it turns.",
"provenance": null
},
{
"answer": "There are a few different explanations for this, depending on what the circle is made of. Ants will g... | null |
7lxhvn | When did the English language emerge? | [
{
"answer": "It depends on what you mean by the English language. The modern English language has a few main sources of vocabulary, which I'll go through chronologically. The inhabitants of Albion at first contact with recorded history probably spoke a group of Celtic languages. You then have a Roman invasio... | null |
7gvm81 | Why is sexual dimorphism more prevalent in some species than in other to the degree that you may not be able to tell genders apart with just a look in one species but in others it's clear as day? | [
{
"answer": "TL;DR: Often, monogamy\n\nSexual dimorphism happens when the optimal traits for males and females differ. Very frequently this is related to costly traits that help one sex (usually males) gain access to mates. Male peacocks have extremely showy plumage, which makes them an easy target for predator... | null |
fyoa9n | why are ligers typically much larger and heavier than both lions and tigers? | [
{
"answer": "Built into your genes is code to *stop* growing. That's important because, for example, just making your heart *bigger* does not make it *better* at pumping blood. It takes additional muscle and different structure to be efficient. So if you get too big, your heart can't keep up with the need to pu... | null |
3vgors | How does hemoglobin get into the urine? | [
{
"answer": "So the heme is degraded into bilirubin. The bilirubin is then excreted as bile which is important for digestion of fats in the small intestine. Then the bilirubin's degraded even more from bacteria in the intestine to urobilinogen. Some of the urobilinogen is absorbed back into the bloodstream by t... | null |
4hhn4d | Is the origin of western monasticism based in Stoic philosophy? (3rd ask) | [
{
"answer": "You will find more helpful input from /r/AcademicBiblical almost definitely (and I think especially if /u/koine_lingua is active... I *think*).\n\nYou might also get some more joy by looking for connections between early Christians and Cynics - arguments have been put forward that Jesus was basical... | null |
aaoyz3 | this was posted about 4 years, but i was wondering if there was updated information. are monster energy zero ultra drinks bad for me? if so, why? | [
{
"answer": "If you're not experiencing side effects like high blood pressure or heart palpations, if you're not shaky and your decisions aren't impaired, and if you're not interfering with any medication, you're probably just fine. Are you having one, or several each day? Are you otherwise hydrating? Sleeping ... | null |
1e2kcl | What is your preferred explanation for the Industrial Revolution taking place in the West rather than the East? | [
{
"answer": "Morris seems to be your book! I guess some day I will have to read it. First, let me suggest you read Pomeranz *The Great Divergence* and then follow that up with Lieberman's *Strange Paralells* which synthesizes both pomeranz's arguments with some more recent discourse on the subject. For an incre... | null |
assnux | how long does your body take to stsrt using the carbohydrates you consume for energy? | [
{
"answer": "What exactly do you mean? You are constantly using carbohydrates for energy, there is no start up time/period where you don't use carbohydrates.\n\nIs your question about the time it takes from ingesting food to using the carbohydrates contained in it specifically?",
"provenance": null
},
{... | null |
82ok9o | how does a trade war work? what are the local and global repercussions? | [
{
"answer": "A trade war is when countries begin placing tariffs on imports that specifically target certain countries.\n\nSo, imagine Country A exports loads of imaginarium at a low price. Country B also produces a lot of imaginarium too, but it's used domestically rather than being exported and it costs the d... | null |
1i7o74 | unicellular to multicellular evolution | [
{
"answer": "Bacteria are single-celled, but even so they can behave together in groups in complex ways. If you have the time, look up \"biofilms\" in Wikipedia, as an example. Bacterial cells can communicate to each other in ways like: \"dude, bra, this space here is totally awesome to lay down and chill\" and... | null |
ulvz6 | Will there ever be a simultaneous eclipse of the sun and transit of venus? I imagine that it could be millions of years away, but have we worked out when? | [
{
"answer": "April 5, 15,232, according to Wikipedia.",
"provenance": null
},
{
"answer": null,
"provenance": [
{
"wikipedia_id": "5024887",
"title": "Solar eclipse",
"section": "Section::::Other observations.:Eclipses and transits.\n",
"start_paragraph_id":... | null |
8m6f6o | What impact did the video game crash of the early '80s have upon the British computer game market? | [
{
"answer": "Pretty much none directly, presuming you’re talking about the North American Home Video Game Crash of 1983. These markets were very far apart from each other, though in the matter of shifting the power of computer game publishers to the fore there was to be a long term impact. In the UK there was a... | null |
3qbmc4 | what caused that "crackling" background sound when you played music on old gramophones? | [
{
"answer": "Those records encoded the music in the shape of a spiral groove which covered one whole side of the disc. A stylus was dragged the length of the groove to get the sound that it encoded. \n\nIf the disc was dirty or the groove was damaged, there would be a crackling sound.\n\nI called it 'campfire... | null |
24b13d | what was the point of nuclear torpedoes? | [
{
"answer": "Why does it seem bad? A nuclear torpedo seems very effective at blowing up its target...",
"provenance": null
},
{
"answer": "Nuclear torpedoes are designed for use against (according to wiki) High speed deep diving subs.",
"provenance": null
},
{
"answer": "It's a great way... | null |
380ftc | how parent animals can carry their young and not inflict pain/wounds. | [
{
"answer": "Animals that practice such behaviour have evolved to have abundant layers of skin around the top of their neck when they are young so that their parents can carry them to safety, food, etc. As they get older, the fat and the skin becomes less prominent in comparison to the size of their neck (or en... | null |
9wyz5n | Is it normal/acceptable for historians to speculate about the thoughts, feelings, motivations, and emotions of historical actors? | [
{
"answer": "People's motivations and the extent of their knowledge, here, are not \"somewhat speculative claims.\" They're conclusions that the historian reached by analyzing evidence.\n\nWhat do you mean by \"in the real world,\" anyway? How are people's motivations not part of the real world? \"Islam\" didn'... | null |
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