Subset (10)

eli5 · 25k rows

Split (1)

train · 25k rows

query stringlengths 20 300	positive listlengths 1 1	negative listlengths 1 1
why does it help to look up when trying to remember something?	[ "it's at least partially to reduce stimulus. our brains spend a lot of power processing sight, so someone performing demanding mental tasks will avoid eye contact." ]	[ "The stars. If you think of the stars as an unmoving background you would see the sun slowly move across the sky in a full circle over the course of a year, I'm not talking about the daily sunrise and setting but the sun in relation the the stars. That's where we got the zodiac from." ]
Why do humans need their tonsils removed?	[ "We don’t need them removed - I’m nearly thirty and still have mine - but in some cases the tonsils can get infected and inflamed. It’s painful, it’s miserable and it means the owner of the tonsils feels like shit for ages as the infection keeps coming back. In a situation like that, removing them altogether is ...	[ "Every time you make a copy of a cell, there is a chance for errors. For example when you photocopy a first print, it is pretty crisp and close to the original, but there are a few minor discrepencies. Now if you photocopy the copy, it gets more distorted, and so on until some letters get hard to read, it gets diff...
Is there any correspondence between fluctuations in the cosmic background radiation and the megastructure of the visible universe?	[ "you'll be looking for larger scale-structure than just galaxies, or even clusters--but some researchers are trying to tie the development of some very large scale structures (\"filaments\") to the anisotropies in the CMB. _URL_0_" ]	[ "Some things whose explanations most likely outside the scope of QM, GR or the Standard Model: 1. Dark matter 2. Dark energy 3. Neutrino Flavour Mixing 4. Charge-Parity violations by the strong force. One thing we don't yet understand, but will most likely be explained by QM, GR or the Standard Model (it's been tal...
Why is Cloud Seeding Not a Viable Option in Battling the Current Drought?	[ "Just say you don't know... Cloud seeding presumes there is moisture in the atmosphere to \"seed\" and bring down as rain in the first place. In the case of most droughts that is not the case in the geography needing the rain in the first place - basically you can't squeeze blood from a stone or a turnip. What woul...	[ "YouTube started doing this a while ago, many people would pre-load minutes/hours of content without ever watching it, which is wasting YouTube's bandwidth. So, they now only stream video in segments, like 5-sec each. As for why the already played content isn't cached on your browser, these sites simply didn't allo...
why we close our eyes when we kiss?	[ "a couple reasons I can think of. Practicality: What the hell are you going to look at? You can barely focus on anything on their face at that distance. Kissing is a physical sensation. Heightening the sense of touch by removing sense of sight just kind of feels intuitive. *Conditioning: We've seen the stereoty...	[ "The safest place in nature is a hole or cave where you're protected on 5 sides and only exposed on one. Evolution favors safe behavior like this, so it has become instinct. An open box is the modern equivalent-only open on one side, danger can only come from one direction, so they feel safe. It's also the reason c...
Where do cellphone companies get the statistics of a cellphone having for example 215hours talk time when the phone clearly doesnt last that long?	[ "When they say talk-time they're measuring how long it can last making a call under optimum conditions. That means no other apps running, no wifi or Bluetooth active, 3G & 4G switched off, maximum constant signal & not moving between towers and the battery is brand new so holds the maximum charge it can." ]	[ "Basically: They collected headlines from articles using some sort of software. This collection took place all of 2013. They did this to A) develop a model of what types of headlines are being created, B) analyze the words in the headlines, and C) find out the words that were used most frequently. They hope to be a...
what is the actual use of Google+ ?	[ "LPT: If you are on a job search, update your Google+ bio to a 200 word professional description of yourself. If your future employer Googles you, that bio is the first thing that will pop up." ]	[ "Cooked something really nice? Show it. Lost a few/lot of extra pounds? Show your transformation off. Have kids that make you feel proud to be their parents? Show why you are. Have cats that you love? Sure why not, just show it, people love animals. People like to show others things that they are proud of." ]
Why is it so hard to heat up mashed potatoes in the microwave?	[ "I could be wrong, but I think it's because of the density of mashed potatoes. I think it's hard for the radio waves to reach the more covered parts of the mashed potatoes. I'm not sure if that's the right answer though, it's just a guess. But you could spread it out over a bigger plate, and then heat it. That's w...	[ "That's because your device has to \"prep\" a lot of configurations such as encryption keys, protocols etc. Think of it as switching the battery in your car, you first gotta unplug it, check which wire goes well, reassure you did it correctly and then proceed to turn your car on. It took you time to do all that, ...
Why does every oscillating fan oscillate horizontally and not vertically?	[ "Rooms are laid out with objects in a mostly horizontal plane, because humans prefer to talk on flat (horizontal) ground.. If you want a fan to circulate air across an entire room, that fan should oscillate horizontally. If the fan oscillated vertically, the fan would effectively only cover one spot, floor to ceili...	[ "It's all about having an atmosphere, since that's what helicopters need to fly. [This article explains it quite nicely ](_URL_0_) Here's a relevant quote: *\"Elysium was that—unlike an airplane cabin—its atmosphere wasn’t canned up in some hollow tube. A landing spacecraft could enter its air like it would on Eart...
Why do they sell those erotic novels at some check out counters in grocery stores?	[ "Rule number one of business is know which demographic you're targeting. As it happens, a lot of the people who go out and get groceries for their family also masturbate to Fifty Shades of Grey." ]	[ "Online tracking is easy. Whenever you click on an ad, it sets a cookie on your computer that marks you as arriving to that site from the ad. Your each activity on that site is tracked and noted when you make your purchase. Offline is a bit different. Depending on the size and marketing efforts of a company, they m...
How smells distribute	[ "Second law of thermodynamics, the same thing happens when you pour some milk in your coffee, it will dilute itself until it's equally distributed" ]	[ "Bacteria on/in your skin metabolize the minerals in your sweat and create a by-product. TL;DR: sweat is bacteria farts." ]
Why did humans lose fur?	[ "_URL_0_ This article brings up an interesting fact about humans and their long-distance running abilities. > “Ancient humans exploited the fact that humans are good runners in the heat,” Dr. Bramble said. “We have such a great cooling system” — many sweat glands, little body hair. Humans are outstanding long ...	[ "Tastes and styles change and/or evolve. You may enjoy certain foods now that you didn't when younger or when you are older. The food or hair hasnt changed just you." ]
Why do we like the taste of cola so much?	[ "Yeah, yeah, we get it, cuz of the sugar. But why COLA?? -- vs. any of dozens of other sweek drinks out there?? What is it about the taste of COLA that makes it the most popular flavor of drink (or soda/pop type drink)??" ]	[ "Imagine your perspective from a car, in every aspect. Your vision is taken up almost entirely by the car, and not the road. You are focused on the road, but in reality, most of your FOV is the car itself, which relative to you, is not moving. You are also feeling the air inside the car, not the outside air. Howeve...
Why nails only grow on that specific area?	[ "Because our ancestors used them more than we did, and they’ve been growing more vestigial ever since. If you look at a gorilla using their fingernails on fruit, vegetation and movement you might have an idea why we developed ours where and how we did. I’m not sure if a gorilla would use its nails in a fight, eit...	[ "This is a more scientific answer than it sounds: it's all in your head. Try having a friend hold a pen there randomly half of the time. You guess when it's there, the more you guess the closer to chance you should get." ]
Why are lithium ion batteries dangerous when carried on airplanes?	[ "Lithium-ion batteries are dangerous, period, and airplanes are just a special place where you shouldn't take dangerous things. Lithium batteries store a lot of energy, and if they release that energy too fast, they heat up. There are electronics included in them to keep that from happening- if your batteries start...	[ "They use a wavelength of light that is cancer causing. Do you want to sit under a cancer causing light? Plus, they aren't all that effective to stop, say a sneeze from transmitting to another person. It takes some time to kill the germs." ]
Why does it seem as though it's more common to get sick when the seasons or weather change?	[ "Many reasons... An important one is that when the weather/temp/humidity changes it can dry out the mucus membranes of your nose and eyes as well as the rest of your skin. Dry skin equals micro-cracks in those tisues which can allow microbial invasion." ]	[ "Well i dont sleep good at night time very often, so when i get home from school i crash right away. Im guessing its just based on your body clock and what time you eat/go to sleep. Basically it just depends what your daily schedule is...." ]
Solar flares and global warming?	[ "Here is an excellent link that will help you: _URL_0_" ]	[ "Reading that page hurt my head so very very much. There is so much shit and garbage on that page it is ridiculous. No, these people are completely nuts. And for any of the points they did make that are valid - experiments performed after the results they discuss have disproven the original results - or the origi...
Anarchist Josiah Warren rejected Utopian socialist Robert Owen's New Harmony commune in Indiana as communism. What did the concept of communism mean in 1820's USA?	[ "Followup question, how often was the word communism used to describe this before the publication of The Communist Manifesto?" ]	[ "Three of the oldest bits of European folklore to manifest in early sources are: 1. the story of the incredible journey and magic flight from the monster that manifests in the Ancient Greek tale of Jason and the Argonauts; 2. the story of the ogre who is burned by the hero; this manifests in the Odyssey with the Cy...
Why do red states tend to have worse socio-economic and educational issues and why do lawmakers strive to maintain this?	[ "Oklahoma resident here. Its a really simple answer. The promise of Trickle-down economics fuels people around here. The idea that if you tax business less, business will be more likely to succeed is prominent. Unfortunately, new businesses don't want to move to a place that has crappy schools and infrastructur...	[ "Your eye sensors tire after a short while viewing a static image. In this example they're giving you a fixed point to focus on so that the image stays positioned in the same place on your retina. Notice how her lips are green in the negative. Staring at that wears our your green sensor there. Then, when you switch...
If most Muslims disagree with the actions of violent fundamentalist extremists, why isn't there a stronger reaction against it?	[ "Many Muslim leaders in the Middle East have spoken out against these extremists, even from the huge Islamic university in Cairo (the name escapes me at the moment). They have even said that those like ISIS can no longer even be considered Muslims. It's just not publicized much in the West." ]	[ "The N-S equations are [partial differential equations](_URL_3_) - they have no [closed form](_URL_1_) solution. You can't solve them algebraically. \"blow up\" is a loose term for [stability](_URL_0_) - a giant topic itself. Basically, because there's no closed form solution, it's impossible to tell if the equatio...
How hot would it be on the surface of the moon if it had an atmosphere similar to Earth's?	[ "If you somehow forced the moon to have an atmosphere of the same thickness and composition as the Earth's, you'd have a surface temperature pretty much the same as the Earth's. The Earth and Moon are an equal distance from the sun, and so receive the same amount of energy from the sun (per square meter). Though be...	[ "See: [Habitable zone of the solar system](_URL_0_) Venus mean distance from sun = 0.723 AU Mars mean distance from sun = 1.524 AU From - _URL_1_ Conclusion: Venus would be considered too close by just about any authority. Mars would be considered too far by all but this referenced Fogg fellow." ]
Why do people in movies just fall over and die when they are hit in thr heart with a sword or an arrow?	[ "You might have a couple minutes left before your brain starts to die (~4-6 minutes without oxygen leads to permanent brain damage), but because of the sudden change in blood pressure (assuming the shot was a high enough caliber or the sword hit just right and your heart is effectively obliterated) you'd go unconsc...	[ "Two methods: 1) Scale models in slow motion. Blow up a 1:64th scale white house with a can of gasoline and replay the film in slow motion. It looks very much like the actual building blowing up in real time. 2) Computers. Airplane crashes and large cityscape scenes are usually done with CGI backgrounds. The actors...
Why can't you 'relax' your tongue?	[ "You can absolutely relax your tongue. It just happens to be anchored. That's like asking why you can't relax your hand, because even when you put it down on a table it doesn't roll up your arm." ]	[ "Placing a chicken bone in vinegar for 2-3 days is a classic elementary/middle-school science demonstration; overtime, the acetic acid slowly strips the calcium from the bone leaving behind only the elastin and collagen fibers. At this point you can easily bend the bone (within reason) without breaking it. Once ben...
when theres an oil spill why cant we just light it on fire and let the oil burn out?	[ "Sometimes it is burned to control a spill, but burning crude oil releases a lot of toxins that aren't so good for humans like carbon monoxide, lead, nitrogen oxides, etc." ]	[ "Instead of draining the ocean, what about a cofferdam down to the ocean floor? Something like a giant tube all the way down so that you were at the elevation of the bottom of the ocean. Are you interested in whether we could breath there or if the pressure would be too high?" ]
Where do all the bugs go in winter? They're all around in summer - what, are they all hibernating?	[ "They die, but their eggs or larvae live on to hatch next year." ]	[ "Freezers are designed to remove moisture to prevent freezer burn. Ice tends to be exposed to this moisture removal, so it ends up evaporating. But water has minerals in it. So you may discover that your ice cubes shrink over time, but they have the same amount of minerals in each remaining cube, so that you end up...
Why aren't there any seat belts on buses?	[ "Seatbelts in cars prevent you from flying out the windshield. For the most part, buses are one of the biggest vehicles on the road. A car smashes into a bus, the bus will not be flinging people out. It's the car's passengers you'd worry about... There are buses with seatbelts though, like Greyhound buses and tour ...	[ "It takes a while to implement the changes. How would you like it if the law changed overnight and you had to pay fees/go to jail next day without having a chance to adapt yet." ]
How does Amazon Local make money?	[ "It's the same business model as sites like Groupon in that the business pays Amazon to show their deal. This is advantageous as it is simply another advertising front for the business. Beyond that, they are relying on you coming back after using your deal and also spreading the word to your friends etc." ]	[ "They don't. It's a marketing ~~lie~~ gimmick. I used to work for a company that did a similar thing by mail. New customers were supposed to sign up by a certain time for special rates but as a specific matter of policy we'd give those rates to anyone who mailed back the special offer." ]
How do we get bacteria in our intestines?	[ "I know we get basically baptized with bacteria upon birth. But usually we acquire more bacteria/diverse throughout the years. How do we get these ones? Alongside that line probiotics, yougurt, kombucha, etc. Do those bacteria really get incorporated or they just die in the stomach? Or maybe they are a drop in the...	[ "Yes, and that's one of the reasons natural birth and breast feeding is preferred over c-section and bottle feeding. It allows faster seeding of the GI tract." ]
Is it True that if Females Urinate after Sex their Chance of Getting a UTI decreases?	[ "In medical school, we were told that 95% of UTIs were due to ascending infections (don't have the source). This is due to the shorter female urethra compared to the male and the proximity of the vulva to the anus. Sex can introduce bacteria to the vulva, and sexual activity is related to [75-90% of UTIs](_URL_1_)....	[ "Your body can only process a certain amount of water within a certain amount of time. Anything extra gets pushed through the system faster. Think of it like putting a bucket under a faucet and another bucket under a waterfall. Your body can only process one bucket at a time, so even though the waterfall will fill...
How are we able to determine light years accurately?	[ "We defined second from atomic events. It's constant. We know speed of light, it's measured independently and is universal constant. We define year as 31557600 seconds. Knowing speed and time distance is an easy calculation speed*time." ]	[ "They don't. They have really really good camera's that can take a picture from really far away." ]
how come we can see fog in the distance but not directly in front of us?	[ "Imagine a quarter floating in the air in front of you. It's not blocking vision right? Now imagine a lot of quarters. Any two quarters are at least five feet apart. Five feet into that cloud isn't going to obstruct vision really. Nor will 20ft. Bit eventually those floating quarters will start to interfere. You c...	[ "The same reason people \"smell rain\", we don't actually smell rain, our noses just work better in high humidity. Same reason farts smell more in the shower." ]
Why isn't Russia's intervention in Ukraine getting more (US) media attention?	[ "Because the Ukraine situation has been going on for months and it lost its novelty value." ]	[ "Hi there -- while we've approved this question, we would like to remind potential respondents of our [current events](_URL_0_) (AKA \"20-year\") rule -- it's fine to discuss events through 1997 (inclusive) and their effects, but not events after 1997. Thanks!" ]
What difference does the wheel size make, specifically in regards to winter tires?	[ "You want narrow tires for snow/ice. 245/45R18 aren't that narrow. Usually what people do is buy a cheap set of steel rims in a size common on econoboxes, so they cay buy cheap, tall, narrow econobox winter tires to put on them. Also because you can slide around into curbs and only mess up your cheap steel rims and...	[ "In a super crazy simple world where every variable was controlled other than energy in + energy out, then no, it would not matter, same overall result. In the real world, it matters a lot. Try putting your down jacket over your raincoat on a wet day. There are 100s of examples like this one where order and other ...
Why do we have to "wait" for our eyes to adjust?	[ "Eyes adjust by deforming the [lens](_URL_0_) in your eyes. The shape of a lens change the path of the light that goes through it. By changing the shape our eyes makes so that the light has a path that makes the image of what you are seeing form exactly on the back of you eye, thus making it good (otherwise it woul...	[ "You can see stars, planets etc. move across the sky at the earth's current rotation rate. Sit still and line up a heavenly object with an stationary object in your foreground (a tree trunk, for example). Within a minute or two, you will see that the object has moved. Similarly, mark the position sun's/moon's shado...
Why does ice melt slower in a glass of water than it does in a glass of soft drink (soda)?	[ "Salt. Salt causes ice and snow to melt, and many places use it on roads. Despite its obvious sweetness, soda contains salt. Ice melts faster in liquids with salt. So, ice would melt faster in a glass of water from the ocean, as opposed to a glass of water from a lake, as opposed to filtered tap water, even if the ...	[ "It's mostly driven by changes in entropy. The entropy change (ΔS) for dissolving a gas is usually negative. So for dissolving a gas the Gibbs free energy change, which determines the favourability of a process, becomes: ΔG = ΔH + TΔS. This is less favourable with increasing temperature (ΔG increases). On the other...
Is there a scientific reason for people to clench up when someone tries to touch their neck? I know not everyone is like that but for me even though I know I'm not going to get hurt my body immediately reacts anyways haha	[ "Your neck is very vulnerable, even if you know you aren't going to get hurt, your subconscious still reacts instinctively and tries to protect your neck." ]	[ "Pressure changes from the sound, and instinctive reaction to \"unexpected thing = protect sensitive organ\"" ]
Why would O.J. Simpson want to write/have ghostwritten a book called "If I Did It"? What could it possibly do for his image or reputation?	[ "In exchange for writing that book the publisher gave him money which he was then free to spend on things he likes like fancy clothes, cars and flat screen TVs" ]	[ "_URL_0_ < - Here is an article discussing this particular paper written by climate science experts. They go through and show why the paper is incorrect. _URL_1_ < - This article deals with several past models the author (Roy Spencer) has released. Basically the issue with Spencer is that he is convinced CO2 has no...
How would the result of Einsteins light experiment change if it was rotated?	[ "The result would be the same, but it's more difficult to analyze. When the mirrors are separated along the motion, you need to deal with length contraction, which doesn't affect transverse lengths." ]	[ "Get a protractor, tape or glue a straw to the straight edge, and tie a weighed down string to the middle. When you get on the plane, look down the straw at a star that you can easily pick out from the night sky (hope you're travelling at night!) and is viewable from both hemispheres, and mark where the string hang...
Can you integrate cos(t)-sqrt(cos^2(t)+24) dt?	[ "The integral exists but cannot be expressed in terms of elementary functions. The integral of the second part is an example of an [Elliptic Integral](_URL_0_), which is an example function that can't be obtained from polynomials, roots, trigonometric, exponential and logarithmic functions in standard ways. But yo...	[ "Think about things bouncing around. Imagine a box with a fan in it. Put 20 balls in ithe box. Now imagine a basket to one side just the right size for the balls. Turn on the fan. The balls jump around randomly. At some point a ball will fall into the basket. This will happen at a given rate which will depends on h...
Did ancient sunglasses exist?	[ "I don't have my anthropology textbook at hand so I don't have a source to give, but google 'Inuit sunglasses'. Bone goggles with a narrow slit. I'd love to hear if there's any scholarship on this invention, but you'd have to think they were invented in prehistory." ]	[ "Follow-up/related: Do we have any idea how prevalent the Classically stereotypical physical traits for each group (e.g. big strapping blond-haired Dorians) actually were in those populations?" ]
Why the Boston bombers are considered 'terrorists' while the shooter from the Wisconsin Gurdwara shooting is just a 'white supremacist'?	[ "There's no rational, legal, or moral reason. It's just because they're Muslim." ]	[ "One thing to point out is the terrain. Iraq is in the populous parts of the country pretty flat, with a semi good road network across the country making it easy to move people around, and larger cities and towns to organize around. Afghanistan is some of the most inhospitable terrain on earth. With little nation...
Why do patches of still water persist behind the wake of a boat?	[ "I believe it relates back to wave motion and how it interacts with one another. Wave nature by force is in the constructive or destructive. What you are seeing is the destructive wave motion. The boat pushes through sending off wake and destroying the waves that are sent from surrounding shorelines or other movem...	[ "[Striped shirts](_URL_0_) tend to cause problems with video recording and, if the pattern is fine enough, photos. It is due to the creation of a [moire](_URL_1_) pattern where 2 sets of parallel lines that are not quite parallel (the lines on the shirt and the pixels on the sensor) create a illusion of density wav...
If our body keeps making new cells, how do we retain most of our memories?	[ "From what I understand, neurons do not regenerate that quickly, if at all. That’s why traumatic brain injuries are so devastating. Therefore, your “memory cells” wouldn’t replicate and die in this manner. Another way to put it is brain plasticity. Your brain is constantly creating new neural pathways and integrati...	[ "Imagine you're trying to find a coffee shop in a city. If you've been there recently, it should be pretty easy to find. If it's been 10 years since you've been to the coffee shop or the city, it might take you a LONG time to find. It also might take long to find if you've been to other, similar coffee shops in the...
Is there a scientific term for how soap works when applied to a dirty surface?	[ "I don't know if the term \"surfactant\" has a verb form; but that's what is happening: the soap is acting a surfactant. For cleaning some substances (namely those previously insoluble in water) the term would be emulsify. (This refers to the process where the amphiphilic surfactant molecules dissolve a lipophile b...	[ "There are a few different technologies. I assume you are thinking of the touch screen on your phone screen. That works because the screen is electrified just a little bit, not enough for you to even notice. When you touch the screen it messes up the electrical field. The computer can measure how the field changes ...
Why is the EURO losing value against the DOLLAR?	[ "The US Dollar is becoming stronger and the Euro is becoming weaker. People like to leave their money somewhere safe. Until recently, the Euro had been considered a super safe currency, and a lot of people were buying Euro bonds or storing their money at European banks in in European hedge funds. The oil boom and...	[ "If you have Netflix there's a very good documentary titled \"the world without US\" It explains your exact question." ]
Why do men's bikes have that high bar (nut bar) and women's bikes don't?	[ "The way it was explained to me was that back in the day all women wore skirts and dresses, so the low bar bikes could accommodate dresses." ]	[ "Wikipedia seems to have an interesting answer: \" Prior to the 2002 baseball season, studies determined that it was more the dry air rather than thin air which contributed to the more frequent home runs. It was found that baseballs stored in drier air are harder and therefore more elastic to the impact of the bat....
Why is it so common for people to say 'what' even though they heard what i aaod	[ "It gives me time. Sometimes someone spoke and I just havent processed it. My initial response is 'what' because I dont know what they said - it hasnt processed yet. By the time Ive said what though, my brain has processed it and I know what they said. I think sometimes your brain just needs a second to catch up, a...	[ "And the million dollar question you have to answer: does that add anything to the storyline of the film for the avg filmgoer? No. Just like movies never say goodbye when hanging up the phone, never lock the door, cock the gun even on a gun that doesn't cock, hacking by typing furiously at the keyboard, looking at...
Since contact area doesn't effect friction, why does a spinning top with a flat bottom(more area) spin slower than one with a pointy (less area) bottom?	[ "The frictional force might be the same, but the frictional torque will be larger with the flat surface, because the lever arm is larger (farther from the rotation axis)." ]	[ "The _tip_? The tip is not the hottest part. The _base_ is. One only needs to look at the colour of the flame. The light emitted is due to blackbody radiation of soot and other molecules in the flame. Therefore, the hotter the flame, the lower the wavelength of photon emitted. Let's examine a typical [candle](_URL_...
The Heptagon Conspiracy: When we learn about shapes for the first time, why are we not taught about heptagons?	[ "Heptagons are hard to draw and have an awkward \"regular\" angle size (i.e. 360/7 is not a whole number), whereas 3,4,5,6, and 8 are. Because of that there is really not much mathematical use to them as much as octagons are." ]	[ "Horse meat isn't rare at all. You can get it in many parts of europe. Tastes ok too. Anyway, that's culture. The same reason we think that bacon and eggs is a breakfast food, and don't eat grasshoppers." ]
Why do Muslims get in an uproar if there is imagery of Muhammad?	[ "There is a provision in the Hadith (a collection of sayings that aren't in the Quran but are of Mohammed) that says no living thing should be depicted (remember the Protestant 2nd commandment; thou shalt not make unto me a graven image). Also, Islam was founded in a period of Iconoclasm, where EasternChristians we...	[ "[A similar question](_URL_0_) came up a few months ago, if you find the replies helpful. See the bit about Malays \"running amok.\"" ]
Did stokers/boilermen receive extra incentives for their role onboard wartime ships, given that in the event of sinking they would most likely perish?	[ "I think you have a misconception on how wartime ships went under. Some sank catastrophically, like the HMS Hood, and the few survivors where those both protected by the explosion and high up enough to be able to get out of the sinking ship. However, ships exploding like that was uncommon - much more common was a...	[ "Before RICO laws it was hard to take down an entire organization because the mob boss could never be connected to any specific crime. The Mob boss would talk to his under-boss about an illicit act. The under-boss would pass the info along to a caporegime (a sort of lieutenant) who would then instruct one of his ga...
How do they get that footage of forming foetuses from inside the womb?	[ "I'm not the OP, but I came in here hoping to see the answer as it concerns actual photographs of developing fetuses. As in, full color actual pics, not sonograms or the like. I would link to a sample pic, but all the top google images appear to be on anti-abortion websites and fuck those guys." ]	[ "_URL_0_ The short version is they were recorded during a sting operation in which police were informed of the show's activities. You have no expectation of privacy during the commission of a crime in most jurisdictions. Local law varies, though." ]
Do actor's producer credits on TV shows and movies actually mean they are involved in production? Or is it something you earn after long career?	[ "There are some occasions on TV shows where actor's might be credited even if they were not in the particular episode. With movies, yes, everyone is involved with the production, but sometimes not very directly. For example, the \"Executive Producer\" is often just a big wig from the studio, who, in many cases, nev...	[ "It has already been answered, but I will add some more detail. A camera records the visuals, an microphone records the audio, obviously. The problem is, that unlike with consumer cameras, the audio isn't recorded to the same file as the video. So, you are left with a very high quality audio track, and a separate v...
How do we know, or do we know, that the parts of an atom are round?	[ "Atoms as a whole are not necessarily spherical. [Here](_URL_1_) is an old thread about it. As for subatomic particles, electrons are pointlike in the Standard Model. Protons and neutrons are not necessarily spherical. [Here](_URL_0_) is more about that." ]	[ "Edit: STSCI people have [posted an explanation](_URL_4_). There's also a [youtube video](_URL_3_) which explains it around 1:45. The long and short of it is that Hubble was tracking background stars throughout those images, and its orbit around the Earth meant that the comet had noticeable parallax which cause...
Is it possible to break RSA encryption without the public key given an infinitely powerful computer?	[ "Yes, if you are given a infinitely powerful computer you could decrypt anything you wanted. All modern encryption is simply a very complex math question. You could guess the answer until you get it or try and solve it. The speed at which you can accomplish both of these depends completely on your available computi...	[ "Computers use [pseudorandom number generators](_URL_0_). These are basically an algorithm that generates an extremely long list of numbers that appear to be randomly distributed. As long as you use them wisely, the results you get are as good as numbers that are perfectly random." ]
How come when you have a mouthful of water, it doesn't just seep down your throat when you tilt your head upwards?	[ "You have muscles and flaps in your throat that seal off your trachea and esophagus until you initiate a swallow. If you lose muscle control in the area (ie from a stroke) then it becomes much more difficult." ]	[ "Because of a concept called venturi pressure. Basically it works like this on a gas pump. When you're filling up the air in your tank gets replaced by gas, so there's basically an outflow of air from the tank. This air diverted into a small pipe in the gas nozzle and it in turns keeps the handle open as you squee...
the basic rules of League of Legends so I can enjoy watching a match as a non-player	[ "2 teams. Blue's base is at bottom left of map, purple team is at top right. Every 30 seconds, non-player minions spawn for each team (purple and blue) in equal numbers. These minions go down 3 lanes: top, middle, and bottom. There are 5 Player controlled champions on each team (10 total players in each game). The...	[ "YouTube changed how they pay youtubers to be based on how frequently they upload and the length of their videos. Let's plays, and other game play videos can be very long and don't take much time to make. Not saying they're bad, but these videos are so perfect in the eyes of YouTube they get paid more than basicall...
What is the purpose of Information Technology Infrastructure Library(ITIL)?	[ "At its most basic level, ITIL is really a set of best practices for IT Service Management - without a methodical approach, Service Management can be something that's done on a fairly ad-hoc basis without any specific direction to it. Although ITIL doesn't seek to specifically set in stone how things should be done...	[ "The person you link to has borrowed (~~or plagiarised - there's no citation~~ Edit: /u/Iguana_on_a_stick points out they do reference Eckstein on page 3, I only Ctrl-F'd the first page. My bad.) their main argument almost entirely from Arthur Eckstein's Mediterranean Anarchy, Interstate War, and the Rise of Rome...
What percentage of men in Ancient Rome during the Augustan era will have fought in the army.	[ "I unfortunately cannot cite this as I write this from memory. I work for the chair of Roman classical history on a big German university as a scientific assistant. Please don't use uncited information in academic papers. New estimates talk of a population of 50-55 million people in the whole Roman Empire in Augus...	[ "In a related question, what are the odds of surviving being stabbed in the belly and falling into the river which runs through a major city in the same time period?" ]
If a person has the parasite Toxoplasma Gondii, could this potentially increase their affinity towards cats, similar to how it affects mice and rats?	[ "Toxoplasma Gondii isn't thought to increase the affinity these animals have for cats. Instead, it decreases their aversion to cat urine. (The smell of cat urine should provoke fear in healthy rats.) There are studies (e.g. reference 20 in the wikipedia article) which suggest Toxoplasma Gondii does affect an inf...	[ "The duchy of Milan was ruled by the Visconti during the black death. In 1374 Bernabo Visconti gave some regulations regarding what to do in case of plague symptoms. Anybody with symptoms of the plague was forced to leave the city, and parish priest had to notify of any sick people, and their items became property ...
Why are skilled trade people in Asia paid so low wages?	[ "Living in China, i can say it falls down to 2 factors 1) there are too many people who can replace you. Don't like earning such a small package? There are 1000 who would move to the city to do it instead. 2) Look at salaries in the countrysides (often less than 100 US per month) and compare to the city (closer to...	[ "Neighbor across the street: \"Hey Tommy, will you mow my lawn?\" Tommy: \"Sure, I'll do it for $5/hr.\" Neighbor: \"How about $3?\" Tommy: \"I want $5.\" Neighbor: \"OK, well I'll just ask your brother.\" Tommy: \"My brother and I and all the neighborhood kids decided together that we weren't going to mow lawns fo...
Why is a signature considered as something "worthy" to have from someone ?	[ "Signatures are considered unique. Yes, there are folks who are able to accurately mimic the handwriting of others, it's a pretty rare skill and handwriting varies between person to person. If you have someone's autograph, it's proof that you met that person, as it's a unique feature that only they could have produ...	[ "Dates back to ancient Rome. In a lot of old languages, they hadn't invented the space or the period yet. Like just long unbroken strings of letters. So they started making the first letter of a word huge to indicate new paragraph. The tradition kept, and in the middle ages, they'd hand write/paint a huge fancy let...
Relates to the proverbial "straw that broke the camel's back." Could the miniscule weight of a straw being added to an immense weight cause a structure of bone to break.	[ "Yes, or else you could add (slowly) an infinite weight on a structure or bone." ]	[ "Put a slinky in a long glass tube and fix one end of the slinky to one end of the tube. Now lay the tube on your desk. The slinky is all curled up . Next, stand the tube upright. One end of the slinky is fixed to the top of the tube and the bottom of the slinky dangles down. What if you held the tube at an angle.....
Lawrence of Arabia is one of my favorite films, but how accurate is it really?	[ "I would say that the portrayal is not far off, even though we have to take it with a grain of salt - something that it has in common with all biopics in movie history. Concerning the events taking place in the film, they have obviously been cut short, changed or exaggerated for dramatic effect. One of the most fam...	[ "I would recommend reading historian D. C.A. Hillman's book,The Chemical Muse: Drug Use and the Roots of Western Civilization, in which he provides numerous primary sources and historical accounts of physicians doing things like prescribing opium, sedatives, and narcotics. His historical hypothesis (albeit a far...
Why do Americans pay for so much for healthcare, yet other countries are able to get by without paying nearly as much?	[ "It's not free in other countries. Those countries pay for medical services through higher taxes. That being said, the final cost of foreign procedures is usually only a fraction of the price. A large reason for this is because doctors and hospitals foreign countries with true universal coverage don't have to infla...	[ "We were British colonies that formed a country that was mostly autonomous from Britain in 1867. Over time we've gradually gained more and more independence to the point where our connection to Britain is entirely ceremonial. We happen to share a head of state. Why do we still do things this way? It's a combination...
Why do we have a preference for hot foods?	[ "Our ancestors when in the wild would enjoy a fresh kill, body still warm. If you came across a dead animal that had been there a while, well you wouldn't want that would you. Evolution has taught us warm is preferable to cold. Unless of course you are eating mint chocolate chip ice cream." ]	[ "Availability of the spices in which spiciness is derived. Culturally and historically you use what you had near you. History dictates what culture perpetuates." ]
Did the Romans force Their Language on the territories they conquered?	[ "There was no broad policy of Latinization--I don't know if that would even be possible in the context of the times. But the military and administration did operate in Latin, and so that was probably an important carrier of the language." ]	[ "hi! you may be interested in these recent posts * [In the Netflix series \"Marco Polo,\" Marco Polo, a Venetian, has a relatively easy time communicating with people in the Mongol court. Would actual western traders be able to communicate effectively without translators? If so, how?](_URL_0_) * [In Netflix's Marco...
Why are men normally attracted to big butts and boobs?	[ "Men are attracted to features that indicate a woman is capable of producing and raising healthy children. So a woman with wide hips is more likely to be able to give birth with fewer complications (remember that death in childbirth was very common up until relatively recently). A woman with large breasts is more ...	[ "this diagram shows the illusion well, _URL_3_ Basically we all interpret cues associated with perspective. things far away get smaller so if it's big in the distance it must really be big up close. In the picture the moon is the same diameter but it's position in the scene makes the one up front looks tiny. Same...
Why do calories in food not translate to fullness from eating?	[ "Calorie density. Just like an object's density - it is related to mass and volume. A food that is mostly water - say a cucumber - is going to be fewer calories as water does not contain calories. However, water does have a volume associated to it. As such, you have a less calorie dense food than say, peanut butter...	[ "> it doesn't make sense to allow companies to pay a full time employee less than what they need to pay their basic bills and feed themselves To put it simply, from the employers perspective there is no direct relationship between how much a job pays and how much money someone needs to pay their bills. The *employe...
Do chaotic systems behave normally under tiny variations of the initial conditions?	[ "[The Wolfram essay](_URL_0_) gives an example of a magnetic pendulum over a plane containing multiple magnets. The end state will be the pendulum at rest over one of the plane magnets. Initial conditions which differ slightly may result in the same end state, but there may be an initial condition between those w...	[ "> Aren't all parachutes designed the same? No, there are many designs. > Is there no procedure in place to ensure every chute is safe to use? There is. The process is performed by humans who can make mistakes, and equipment can still fail regardless. > What are the factors in play that could change the way a chu...
Why is there a neutral and live wire in Alternating Current?	[ "Voltage is relative, meaning that it can only be measured as a difference in voltage between two points. In electrical systems we arbitrarily assign the ground potential to be our reference, or zero volts. In your household electrical system, the line voltage oscillates from positive to negative with respect to th...	[ "Welder/Boilermaker here, It should say right on the front panel. AC, DC, or AC/DC. There's also a stamped tag on the back of most welding machines that gives you all the specifics for that machine." ]
Where would I be deported if I were born in international waters?	[ "If you were born on a ship then that ship is registered to a country. You might be considered born there." ]	[ "There are lots of ways for animals to traverse the earth, not to be trite. Addressing your specific example, this wiki. _URL_1_ Indonesia was at one time linked to the rest of the islands in that part of the world, when sea levels were lower due to so much water being bound up in polar glaciers. When the glaciers...
Why didn't Spain and Portugal become major early modern powers?	[ "Hi! You can find some excellent answers on this topic in [this section of the faq](_URL_0_), under 'The Decline of the Spanish Empire'. Edit: As the faq's answers focus mostly on Spain, here's another great [answer by u/Itsalrightwithme](_URL_1_) looking more at the Portuguese side." ]	[ "You have to remember having ''just'' iron, silver, gold, fish and AMAZING farmland is quite a lot in most eras." ]
What is the evolutionary benefit for humans to have a butt crack?	[ "As our ancestors became bi-pedal, you could imagine the difficulty needed of walking with a round butt. By splitting the butt muscles into two, the stride of our walks would significantly easen as there would be basically be one butt cheek per leg, and so the butt could brush against itself without actually restri...	[ "We don't have to cook our meat. We also could walk around with a heavy parasite load, like most animals do." ]
Why do electric vehicles accelerate so much faster than conventional vehicles?	[ "For DC motor torque, power, see this - _URL_0_ The maximum torque is the stall torque, which is the torque at 0 RPM. For a gasoline engine, see this - _URL_1_ You can see, in general that the curves are the opposite. Electric motors have high torque at low speeds, and gasoline engines have high torque at high sp...	[ "Put simply - moving parts. A HDD needs to spin to the correct place, and the head needs to move to the correct part of the disk, before the data can be accessed. The only thing moving inside a SSD is electrons." ]
How did European explorers react when they encountered Christians in "unexplored" areas of Africa?	[ "this isn't an answer, but more of an add-on. were european explorers familiar with the bible and the story of [philip and the ethiopian eunuch](_URL_1_)? and if so would that have affected how they approached african christians?" ]	[ "No. And to discuss why involves discussion of burden of proof. \"Extraordinary claims require extraordinary evidence.\" Sailing across either the Atlantic and Pacific, and making contact is a pretty extraordinary claim. Books such as \"Peru Before the Incas\", and \" The Last of the Incas\" have nothing to say abo...
what about diet sodas make them remotely bad for you?	[ "The best argument that you shouldn’t drink diet sodas is that the fake sugar in them can cause you to crave more real sugar. But the sugar replacements themselves are absolutely fine in moderation. The Science Vs podcast did an episode on this." ]	[ "The carbon dioxide, the bubbles, is a gas at RT. Pouring it into an empty glass means the liquid falls from a higher distance, when it hits the bottom of the glass the impact provides enough energy for the gas to escape. Not only does the liquid in there reduce the distance but also softens the impact. If you were...
Did the minoans really reach america more than 3000 years ago?	[ "Most of the theories claiming that various civilizations reached America before the vikings are generally considered bs. Given the fact that the minoans were an eastern Mediterranean civilization with no reason to make the near suicidal journey across the Atlantic ocean, it sounds pretty silly. Vikings got there a...	[ "Hi there -- while we've approved this question, we would like to remind potential respondents of our [current events](_URL_0_) (AKA \"20-year\") rule -- it's fine to discuss events through 1997 (inclusive) and their effects, but not events after 1997. Thanks!" ]
Why does paper become transparent when oil is spilled on it?	[ "Due to the fact that the refractive index of the oil spilled is similar to that of the fibers of the paper, when paper absorbs the oil, more light is able to more readily pass through the paper and give the paper a translucent quality." ]	[ "Do you have a fly screen over the window? If so what you are observing is a [Moiré pattern](_URL_0_) being projected onto the window. Essentially the light is passing through the screen and the light waves get split up and then interact with each other causing spots of superposition where some regions are darker a...
Where do billionaires like Bill Gates keep their money? In banks?	[ "Assets. They own property and stock in other companies. Cash is pretty much the worst place to store money." ]	[ "If you started a company called Blue Bonnet's Banjos Emporium and it became the #1 brand for banjo and banjo accessories but you sold all of your shares then you no longer get any profits from the company, regardless of how successful it goes on to be. Your children, grandchildren, great grandchildren and so on wo...
Why do professional female sports have much lower viewing figures	[ "The athletics are not as amazing. When you take away the novelty that all the athletes are female its just a bunch of REALLY unimpressive players." ]	[ "It was a loved franchise and everything about the reboot looked horrible from day one. When they realized what a steaming pile of crap they had made the director tried to get press by making all criticism out to be sexism. He got the press. Probably did better in the box office than it deserved." ]
Is it plausible that black holes orbit something the same as how stars orbit black holes and planets to stars?	[ "Absolutely. Black holes have a mass, and they can orbit around something with a comparable or greater mass to them (more specifically, they'll orbit around their common center of mass, which is what happens with planets, stars, etc. too). For example, if a binary star system (two stars orbiting each other) contain...	[ "The magic astronomical phrase to Google here is \"[Hill sphere](_URL_1_)\" - that's the volume around a body where the body's gravitation dominates the gravity of whatever it's orbiting around. Anyhow, [here](_URL_0_)'s a pretty good explanation of the situation. Short answer: yup. But usually they're not very sta...
Why is George Soros considered controversial?	[ "I'm just going to point out that accusing wealthy Jews of pulling the strings of power behind the scenes for nefarious purposes is, well, not exactly a new thing." ]	[ "Explaining all aspects would take a very long time. Basically though, GE own many companies, some of which lose money and some of which are deliberately allowed to lose a ton of money. When you factor in all of GE's holdings, you can get to that effective tax rate." ]
Why can cats (for example) make their hair stand up strait to look bigger than they are on command, but people cannot? Also, why does human arm hair stand up straight when we get the 'chills'?	[ "It is less conscious choice than you think. I've never seen a mammal flair their fur just for the hell of it. They are always either freaked out or cold. That's the same reason you get goose-bumps. You just have less fur (probably), so the effect is less dramatic. Birds, of the other hand, can move their feathers ...	[ "The surface of the stainless steel fridge is not smooth like a mirror. Rather, the steel has a microscopic pattern scratched into it across the surface. Each scratch acts like a tiny angled mirror, and reflects light in a certain direction. A perfect mirror would reflect the laser spot perfectly, but since the scr...
Why do doctors cut the umbilical cord so early?	[ "Clamping the umbilical chord within 30-60 seconds was thought to reduce the incidence of post-partum hemorrhage though recent studies have shown that this may not be the case. A delay in clamping shows an significant increase in incidence of jaundice in the neonate. There is evidence that delayed chord clamping m...	[ "They don't. It's a marketing ~~lie~~ gimmick. I used to work for a company that did a similar thing by mail. New customers were supposed to sign up by a certain time for special rates but as a specific matter of policy we'd give those rates to anyone who mailed back the special offer." ]
What did Obama just say about our relationship with Cuba?	[ "For 50 years now, US and Cuba had no official relations at all. There was no real way for the US government to talk to the Cuban government. Building an embassy means that formal relations are reopening, which is a huge step in the right direction. This means that the US might be willing to end the embargo, and Cu...	[ "Even if you speak English, you run the risk of using the wrong word. Small intricate mistakes in words could blow up in your face when you're a world leader." ]
Since the universe is expanding, is the space of an atom also expanding?	[ "I'm just thinking here: if everything expanded along with space equally, how would we know the universe is expanding?" ]	[ "in short, no, the pattern will not change. Observing in this sense doesn't actually mean observing. When people say the electrons are being \"observed,\" they really mean that they are being \"measured.\" By passing them through the slit, you are essentially measuring their position - you know that they are in the...
Why are kids so much better at learning and absorbing information than adults are?	[ "Neuroplasticity and neurogenesis. Younger mammalian brains are more readily able to create new neural pathways, and they also create new brain cells at a greater rate than older brains. Contrary to previously held conventional wisdom, adult brains DO produce new brain cells (limitations do apply) and are quite cap...	[ "I would say yes. [Here's](_URL_0_) an article about Dr. Clara M. Davis, a pediatrician who did a ton of experiments where she presented a bunch of foods to infants and allowed them to pick whatever they wanted. She did find that infants did know what foods to choose, but the choices that were given were inherently...
How tall will a human grow if raised in a zero gravity environment	[ "Osteoperosis from a young age. I don't think this is possible. Bone loss is one of the effects of zero gravity. I imagine one born in space wouldn't live very long." ]	[ "Nasa, among other groups with space exploration in mind, are asking that question themselves: _URL_0_ It seems the biggest problem to overcome is the low atmospheric pressure, which sucks the already rare water out of plants. Nutrients don't seem to be a problem." ]
What are the negative effects of habitually consuming an energy drink, such as Red Bull?	[ "The wikipedia article is actually pretty good _URL_0_ \"Consumption of large amounts of caffeine – usually more than 250 mg per day – can lead to a condition known as caffeinism. Caffeinism usually combines caffeine dependency with a wide range of unpleasant physical and mental conditions including nervousness, ir...	[ "Basically your brain is receiving conflicting signals from your eyes and ears. If you are looking at the floor when in a car or on a bus or a book your eyes are telling you that you are not moving. But your ear is telling your brain that you are indeed moving. So instead of your body realising you are reading a bo...
; Why does our body not have a method to prevent or remove ingrown toenails?	[ "Evolution doesn't \"design\" us to be better. Either your genes are good enough to survive and reproduce successfully or they're not. After enough generations, genes that are detrimental will disappear. Ingrown toenails typically don't kill people, and if they do, it doesn't happen often enough to select for that ...	[ "Evolution. People who didn't get that weird feeling when dangling their limbs from the trees they were sleeping on were killed by cheetahs." ]
Why do some doors open inward, and some open outward?	[ "Different building codes for safety. Exterior doors have to open inwards do that in emergency if you need to get out, something places on the outside doesn't block the door from opening. Its also a safety thing so that if you push open a door, it doesn't smash someone's face whose trying to get in." ]	[ "You know how on Wednesdays me and mommy cook spaghetti? Then the whole house smells like spaghetti? Then on Fridays we make tacos and the whole house smells like tacos? It's kind of like that. It's smells different because there's different stuff in the air. Different when it's hotter outside, or more moisture, th...
What's the difference between differing 'key' versus 'pitch' in music?	[ "A key is a collection of pitches used together in context to create a center or \"home base\" for the melody and harmony." ]	[ "The only danger associated with inhaling hydrogen gas (so long as it doesn't ignite) is possible asphyxiation due to the lack of oxygen being inhaled. This danger also exists in inhaling helium and to the same extent. So as long as the helium doesn't kill you, you can perform the same actions with hydrogen instead...
Why does the value of money go down when printed?	[ "Imagine that you have 10 pieces of silver in your pocket. Now, you take those pieces of silver out of your pocket and you cut them all in half. Now you have twenty pieces of silver, but really, you don't have any more silver than you did before, it's just in more pieces. Printing paper money basically works the sa...	[ "When cells divide they make pretty much exact copies of themselves. Introduce radiation to the equation and the copying process goes screwy and the new cell is different. Rinse and repeat over and over and you end up with body cells which are completely different in shape size and function to what they were origin...
Why do water bottles have 2% calcium?	[ "Calcium is one of the minerals added to the water to improve its flavor. They add enough of it that it shows up on the nutritional information." ]	[ "California has some labeling and quality laws that are more strict than the rest of the country. If they didn't put that on there, then they could sell it in every state except California. So they just slap it on everything in order to avoid the hassle of worrying where in the united states it will wind up. If you...
Juan Pujol García, AKA Garbo was a British double agent without the British knowing he was. How is he perceived in historiography?	[ "What do you mean \"without the British knowing he was\"?" ]	[ "[The Fordham Internet History Sourcebooks](_URL_1_) are pretty much go-to in terms of finding major/commonly-assigned primary documents in simple text format. The faculty in my department use Fordham docs a ton in assigning readings. I use the [Public Records Office of Northern Ireland](_URL_0_) online selection, ...
How ethnically diverse was Elizabethan England, and what social standing did visible minorities generally have?	[ "More can be written, but you might like to start with [\"Would Shakespeare have been personally familiar with Moors in 16th century London? How diverse would the city have been at the time?\"](_URL_0_) by /u/cdesmoulins. This is not to discourage discussion. More questions, data and debate are welcome." ]	[ "I could write a long explanatory answer about this. It's part of my area of specialty! However... this reads exactly like an essay prompt, and... > --We won't do your homework for you, but we'll help So, you get bullet points only, to help guide your research. * Office of \"king\" was replaced by two consuls, ele...
To what extent can we accept that galaxies are accelerating away from each other since the existence of universe, considering that we have observed only a fraction of time of the universe's lifetime (or behaviour of galaxies) so far?	[ "We observed [galaxies](_URL_1_) out to a few hundred million years after the Big Bang. The Universe is roughly 13.8 billion years old, so we have seen the vast majority of the fraction of the age of the Universe, not a small fraction. In addition, the [Cosmic Microwave Background](_URL_3_) gets us to about 380,000...	[ "To answer the question literally, our current best measurements of the expansion rate, known as the Hubble constant, are around 70 (km/s) / Mpc with an error of about 2. The unit there is kilometers per second of recession velocity for every megaparsec away from us a given object is. (For example, [Planck results]...
All the hate YouTube gets	[ "YouTube would be so much better if it just had no comment system whatsoever. I don't care to run into those trolls in public and I certainly loathe running into them on the internet as well." ]	[ "This has been covered many times before, but the short answer is that the ads come from a different server which has more money poured into it." ]
Why does stretching feel good?	[ "The 'good' feeling is completely subjective. It will vary from person to person. When you stretch you are lengthening muscles and their tendons. This may release tension inside the muscle and will aid in flexibility. If you do a more intense stretch, the felling may be more painful. I'm new to this sub.... how did...	[ "Some have suggested that it causes dopamine responses. Similar brain mechanics to forms of addiction (alcoholism, smoking, drug abuse etc). _URL_0_" ]

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