Subset (10)

eli5 · 25k rows

Split (1)

train · 25k rows

query stringlengths 20 300	positive listlengths 1 1	negative listlengths 1 1
How accurate is the saying "Once you spot lightning, count the seconds until you hear the thunder, that'll give you distance of how far the storm is."?	[ "It's a common mis-saying of the actual rule: [sound travels a mile in roughly five seconds](_URL_0_), not one second. So divide the number of seconds by 5, that's roughly the number of miles away" ]	[ "Looking at the sun will blind you. Any time, anywhere. Including when you look at the sun during the partial phases of a solar eclipse. Naturally, people who don't know any better are more likely to look at the sun during a solar eclipse. They should not. One can look at the sun safely only during \"totality,\" th...
What happens if you get DDosed, and how to "recover"	[ "Imagine if you owned a pizza place and were taking orders by phone. One guy could call the phone over and over so no one could ever order a pizza. He has denied your service by using it all up. In that case you could just block their number and fix the problem. But if he kept having hundreds and thousands of dif...	[ "This is a nine min video which helped me get my head around it at first. _URL_0_ Everyone interested in this issue should take a bit of time to view." ]
When and why were folk costumes abandoned in favour of more 'global' western-origin outfits such as suits and later, t-shirts, jeans etc?	[ "Not to discourage future answers, but the [FAQ has an extensive section on the history of fashion,](_URL_1_) including the supposed universality of suits and ties as business wear. Similarly, for your last question, if you search the /r/AskHistorians archive for [questions about hats](_URL_0_), quite a few result...	[ "Not an expert on circadian rhythms but I know that modern humans didn't usually sleep 8 straight hours a night even a couple hundred years ago. It was very common to wake up for a couple of hours in the middle of the night to do things. Prior to the industrial revolution both biphasic (sleeping twice a day) and p...
How do satellites fall out of orbit?	[ "Even at the altitude that many satellites orbit, there is still a tiny amount of air, which causes some drag. This slows down the satellite, causing it to drop into a lower orbit, where the air density is a bit higher, etc... Without correcting the orbit of the satellite every now and then, satellites in low orbit...	[ "If you had thousands of bouncy balls in a big room with high walls, a few balls would occasionally get bumped out by the other balls." ]
How do barcode scanners work?	[ "It shines a light, the black part of the barcode absorbs the light and the white part reflects it, so the reader receives aback the reflected white parts and is able to read the pattern." ]	[ "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." ]
I recently heard that the player who chooses White in chess has a 5% increase of winning if then they choose black. Why is this? Don't both players have same chance?	[ "The starting player has what we call a trivial advantage (meaning, it is trivially clear that there is one), which is created by the rule that when a winning position (checkmate) is reached, play stops immediately. This has the result that every time a white player wins, he or she has been allowed to play one tu...	[ "It's determined at fertilization - it depends on which sperm makes it to the egg. Your genetic code is made up of 26 chromosome pairs. The 26th pair is the sex pair. Females have two X chromosomes (XX), a symmetric pair. Males have an asymmetric pair: one X and one Y (XY). When you reproduce, you give one chromoso...
Before the discovery of nuclear fusion, what theories were there for the Sun's energy?	[ "I'm on mobile at the moment, so I'll get the links later. Initially it was thought that the sun might exist as a large ball of combustible fuel, like coal. This is obviously impossible when considering things like lifespan, mass and energy production. A more popular (and accurate) theory emerged in the 19th centur...	[ "Are you talking about the [nucleon-nucleon potential](_URL_0_)? The repulsive core comes from Pauli exclusion between the quarks. If you have two nucleons very close together (less than 1 fm), you can think of the wavefunctions of the valence quarks overlapping strongly. Because quarks of the same flavor are ident...
How credible is the multiverse theory?	[ "Among some of the scientific answers you're getting/will get, there is also a historical precedent that shouldn't be ignored even though it is by no means proof itself. We used to think this was the only land, then we thought this was the only planet, then we thought this was the only solar system, then we thought...	[ "Before I answer, may I ask who the speaker is for this particular lecture? Or if you have a link for me to listen to? I would like to know where they are coming from in their argument." ]
Why is it normal for California to shut down a freeway when other states rarely do it?	[ "Other states do it as well. Usually it is for a safety reason. Examples being the clearing of an accident, debris on the road, car chase, etc. One of the reasons it seems like it only happens in Ca. is because of the amount of traffic on the roads. If they close the freeway running through LA for 30 minutes, they ...	[ "Google Android has a feature that sends location data to the google servers, even if you have GPS turned off. If you use a Google Android phone, you can actually view your own data if login to Google and goto this site: _URL_0_ What Google is doing is fetching all this data that is sent from all the Google Android...
Does everybody have a mental disorder of some kind? Or are some if not many people perfectly normal?	[ "Mental health is a spectrum; more about 'shades of grey' than a discrete, \"either you have depression or not\" model. 'Normal' is pretty a pretty subjective, fuzzy idea. It just means you are in the middle of the bell-curve, and your mental health isn't causing obvious problems. Some psychologists (very few) have...	[ "Issued doesn't mean it goes around alot. You can take a freshly printed bill and withdraw it from the bank and just never spend it. Some people keep an emergency stash of money in their home. They don't touch it for years until they need it for an emergency." ]
It hurts like hell to step on a pin. How did ancient humans walk barefoot through forests full of sharp twigs etc?	[ "As a barefooter I can attest that twigs are no problem at all. Your feet don't need to be all that hardened for that. It's just that the feet of most people in the developed world rarely get any exposure at all. Even [broken glass](_URL_0_) is far from the danger it's made out to be. Vertical pins would be a probl...	[ "A couple important things to remember: First, this is the hottest year since we've started recording them, and recent years have been similarly high. But another reason is because of how we design buildings. We design them to use air conditioning and the like. But back before AC, people had buildings designed to b...
How does breathing turn the oxygen into carbon dioxide?	[ "It's not breathing that does turns the oxygen into carbon dioxide, it's the cells of your body that does it. You breathe oxygen into your lungs. Your lungs have a bunch of blood vessels in them that pick up the oxygen. Your blood distributes this oxygen to all of the cells in your body. Your cells use this oxygen ...	[ "A large grove.. > Every gallon of gas you burn running your car creates roughly 20 lbs. of CO2. So if my car gets 20 miles per gallon and I do 20,000 miles per year..... yikes, that's another 10 tons of CO2 (you do the math for your car(s)!). Hmmmm...... that's another 2.0 acres or another 240 trees. using that a...
How are squatters able to stay on peoples properties without being arrested?	[ "I haven’t seen these videos and I’m no expert but it was my impression that you can only achieve squatter status if you are able to remain on the property for a specified period of time without being arrested and removed for trespassing. So it would seem if an owner fails to identify a trespasser and have it handl...	[ "Just go to green areas of Google Maps. If someone sees you and stops you, just explain you thought it was a national forest/park like in Google Maps. During hunting season people park by roads and walk into forests all the time." ]
Why do you burn fat better at a lower heart rate than your cardio zone?	[ "You don't. You burn a larger percentage of fat calories in that heart rate zone than in a higher zone. But, because you're burning more calories in total, you actually burn more fat calories in total at higher heart rates. See _URL_0_" ]	[ "eskimobrother, In my undergraduate studies I do recall one of my professors talking about some recent (recent as in 2007-ish) studies indicating that subjects who exercised on a treadmill while listening to music felt that time passed by more quickly than subjects who ran with no stimulus at all. Let me try and ...
How does chemotherapy work?	[ "Most chemotherapy drugs are mild poisons that are targeted at damaging cells that divide quickly. Since cancer cells divide quickly, they're usually harmed the worst by this, though other cells in your body (like hair follicles and digestive tissues) can be harmed as well. Some other chemo drugs target specific pr...	[ "_URL_0_ The wikipedia article is excellent and better than any of the answers in here so far. If you have specific parts you don't understand, ask away and I can help explain them to you." ]
Universal Basic Income	[ "A plan devised as a way to eradicate poverty and free up the job market by giving each member of the country a set amount of money which is /just/ enough to live on. People would still be expected to work, however they would only need to work one job to live comfortably as they already wouldn't have to worry about...	[ "Single-payer healthcare basically just means that everyone (in the country) is on the same (in the current example nationally run) health insurance plan." ]
As I understand the Higgs boson is 1/100 the size of a proton but weighs as much as a DNA molecule, should this not create some kind of tiny black hole?	[ "Assuming black holes of that scale behave like 'normal' black holes the requirement for a black hole to form is that the Schwarzchild radius of the object be larger than the radius of the object itself. That is if r_s/r_o > 1 then a blackhole should form. For the Higgs r_s/r_0 ~ 10^-32 if it is 1/100th the size of...	[ "From a Relativistic point of view, mass distorts space-time. In the case of a black hole the distortion is such that all the straight-line paths lead into the black hole. Light can't escape from a black hole because there aren't paths out of the black hole that the light can take." ]
California specifically seems to always be in a drought, but surrounding states don't seem to have the same issues with fires. Why is that?	[ "The surrounding states do have bad fires. But they get less press coverage because they are usually in more rural areas with less population density than the LA foothills. Look up Arizona Rodeo-Chedeski fire, Wallow Fire, Willow Fire, Cave Creek Complex fire, Warm fire. All devastating and huge (some absolutely en...	[ "\"Just about everyone here\" Where is \"here\" for you? It sounds like your question's premise is based on a small sample set based on personal observation. Before your question is addressed, you should be making sure the premise is valid..." ]
why rain doesn't hurt when it hits you.	[ "Terminal acceleration. As you move faster and faster in the air, the air resistance increases (see things re-entering earths atmosphere kinda). At a certain point, air resistance start to counter act gravitation acceleration and things just fall at a constant speed, not get faster and faster." ]	[ "Our brains didn't evolve with cars in mind. They evolved with, like, being hunted by a jaguar (or whatever) in mind. So your brain doesn't know what to do with a car. It thinks hey, we're sitting, our body's not really doing anything physical, there's very little activity or stimulus... this seems like a good time...
Why does it seem the larger any particular group get, the more stupid it becomes. Are human beings just naturally inclined to be dumb?	[ "Human beings, like many species, are highly social animals. We are strongly driven to ensure we \"fit in\" with the larger group. This has advantages of course, which is why we do it, but it also has huge disadvantages, including the ability to stop thinking clearly and go along with the herd because of the misgui...	[ "If you want a slightly biased but accessible and interesting source for a lot of the factors that have played into this phenomenon, you should check out \"before the flood\" documentary by Nat Geo. It came out pretty recently and is really informative, while being pretty engaging. The best part is that rather than...
Who really won the American revolution	[ "The Americans won the American revolution, whether the British gave up or not, since the purpose of the revolution -- the establishment of a country independent of Britain -- was achieved. Though it is true the British did not utilize their maximum possible military strength to put down the rebellion, and did rely...	[ "This is a very common question round these parts. Check out the AskHistorians [FAQ](_URL_0_) for a variety of posts addressing the subject." ]
when and why pro gun culture became associated with God and Christianity?	[ "Well, I live in a very conservative, very pro-gun part of the country and I've never seen anything like that picture you mentioned so I can't comment on that. As for why religious people might be more likely to own guns or support gun ownership, I'd say it has more to do with correlation than causation. Being Chri...	[ "On this sub giving much information on school assignments is frowned upon a bit. Okay, more than a bit. But here is a resource for you. This subject is covered in detail in Mark Noll's [The Civil War as a Theological Crisis](_URL_0_). I hope this is at least a bit of help. There were some pretty compelling argum...
Why did paleontologists believe dinosaurs stood upright and dragged their tails?	[ "Because they looked at the fossils they were finding and classified them as reptiles. Then they looked at extant reptiles and built their models on how those move and behave. The first models did not have them upright, they were modeled as [large, lumbering, quadrupeds](_URL_0_). It wasn't until a discovery of sev...	[ "Factual basis yes. Absolute proof no. We start to have a very good idea of how people danced and dance's from about 1500 on. The documentation from the medieval period is mostly based around court dances, so it's hard to say how the common people danced, but we can trace the steps of the nobility much better then ...
Why does terminal velocity exist? Why don't we just keep falling faster?	[ "Because air resistance increases at higher velocities, and in fact air resistance increases faster than velocity. So, as an object falls, at some point the slow down of air resistance cancels out the speed up of gravity, and then you have terminal velocity." ]	[ "This video created by Vsauce 3 (Jake Roper) does a very good job explaining this: _URL_1_ I hope this answers your question. He also did another video on a simmilar line of - could you survive: _URL_0_" ]
Did any Dharmic religions spread into Persia?	[ "If by Dharmic you mean Hinduism, the thing to keep in mind is that the Indo-Iranian group were a branch of the Indo-Europeans who migrated into India and Iran. So although Hinduism itself was not a feature or Iranian culture, both Iranian and Indian religious practices came from the same root source. For example, ...	[ "Follow up: Did a Holy Roman Emperor ever meet a Byzantine Emperor in person? What happened?" ]
How do blue whales sleep?	[ "* _URL_1_ * _URL_2_ * _URL_3_ * _URL_0_ tl;dr most whales have the ability to sleep with one half of their brain at a time." ]	[ "Here is a link to help. They basically have a tube that is separate from their throat, so they do not choke [click here](_URL_0_)" ]
Would a mirror allow someone who is nearsighted to clearly see far away objects?	[ "No. When an object is some distance in front of a mirror, the [image of that object is \"behind\" the mirror by the same distance.](_URL_0_) In other words, the point where you focus your eyes on a reflection in a mirror lies behind the mirror, not at its surface. So, the far away objects will still be far away i...	[ "Practically speaking, yes. If you look at the Newtonian theory of gravity, that is exactly what happens, and the Newtonian theory is close enough to the truth on the level you are describing. If you look at really massive objects (like neutron stars) then the Newtonian theory is no longer accurate and you need Gen...
. Will reclassification of internet as a utility have ramifications for personal privacy and government surveillance?	[ "It doesn't seem like there'd be more government monitoring, since they are already monitoring it as deeply as technically feasible. The classification would not make a difference in that regard. The government already has laws governing how and when it can monitor your traffic. ISPs do not stand in their way." ]	[ "The film \"A Knight's Tale\" is surprisingly accurate to the spirit of the times, apparently. Also, Jurgen Habermas states that during pre-Renaissance (or Enlightenment) times, there was a marked divide between 'private' and 'public.' To Habermas, things and people that were public mattered, and thus, a celebrity ...
Why do some foods spoil quicker than others?	[ "Foods that spoil quickly are full of nutrients like simple carbohydrates and proteins for molds and bacteria. They're also hospitable to microorganisms i.e. damp, not too acidic or salty, and relatively porous or not too dense so a colony can grow into the food. E.g soft cheeses spoil easier than hard cheeses beca...	[ "Different ingredients, different storage situations, different flavirong, different length of time they are aged." ]
Why are some words pluralized with an "i"?	[ "Those are words of Latin origin of male gender ending in -us. The ~~declination~~ declension of those words demands an -i in the plural. See [here](_URL_0_) for a full list of all forms of the second ~~declination~~ declension in Latin." ]	[ "Lower right corner, there is your tray, click on the icon that looks like a keyboard, and change the setting to US English, or just US. If you don't have this little icon, look for a little taskbar that can be anywhere on your screen, usually at the top. Change it to US settings. It happens whenever you change yo...
Were the names of the gods chosen consciously in order to influence the perception of people about certain concepts?	[ "The founding of these religions are too old to know. You might start with Hesiod's Theogony, but that text--like most that treat myth--are descriptive of contemporary practice. That is, they aren't actively engaged in creating myth (or what's called mythopoesis). By contrast, Tolkien creates myth in his Silmarilli...	[ "Because they would get sued. The legal system isn't like some kind of beep-boop robot that overlooks totally obvious loopholes. Any company that claimed \"No, we were really advertising the endorsement of Bill Gates, plumber, from Bumfuck, Nebraska.\" would get laughed out of court. As /u/Snewzie pointed out with ...
You hear of Cristoforo Colombo (Christopher Columbus) crossing the Atlantic, anyone in Asia try crossing the Pacific?	[ "It would not be hard at all to imagine Japanese or Korean fishermen or fur traders reaching Alaska or British Colombia. However from their perspective it would not be that big of a deal. Traveling along Russian coastline, trees, snow, people in canoes, gap of water and some islands to the south, then more coastine...	[ "> I’ve seen a lot of scientists say we can’t get through the Van Allen belts Who in particular? Were they working on the Van Allen belts, ionizing radiation in general, or biological impact of ionizing radiation? We can go through them easily, and if you don't spend days there the total dose is not a significant c...
What is happening when a door with solely hinges wants to close itself every time.	[ "It's because the door isn't hung exactly plumb (straight). If it's closing itself, it will be leaning into the doorway ever so slightly." ]	[ "You had some idea about where you were. You tried to open it there. The book also has a memory in that it was opened to a page. The bindings and paper had shifted." ]
Why don't siblings from the same mother and father look exactly alike?	[ "It is down to the combination of the genes you get half the genes from your mother and half from your father but those genes are an almost random selection of those genes which go to make up each so can be combined in trillions of different ways. Like saying you get half a pack of cards from one parent and half fr...	[ "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...
What's the difference between a normal SSD and PCIe-based SSD?	[ "They're the same way of storing data, but they differ in the way that your computer talks to them. A \"normal\" SSD is connected to the motherboard using SATA3, which can move data very fast, but not quite fast enough to keep up with really high end SSDs. PCI-Express, meanwhile, is pretty much the fastest data lin...	[ "How big are the files you are talking about? You may have noticed that transfer speed always ramps up slowly. Therefore it will always be faster to transfer one 10gb file than a hundred 100mb files. This is because the file system needs to open a data stream of the file, read the data, write the data, close the ...
25 years ago Nirvana released 'Nevermind', What was it about this album that catapulted grunge into the mainstream? What was it about this new found fame that disillusioned Cobain so much? & What affect did Cobain's suicide have on the grunge scene?	[ "Meta question : Bearing in mind, this is comparatively contemporary topic and a bit more pop culture than a lot of the subjects covered in this sub, what kind of sources would be considered acceptable?" ]	[ "A better question might be have mammals always had acne? There are documented occurences of many different types of animals that also experience this. For reddit, here is a research paper done on Feline acne: _URL_0_" ]
Was the Electoral College really intended as a device against tyranny of the majority?	[ "Follow-up questions: 1) Did the Founder's anticipate the Electoral College creating weird meta-strategies like swing states? 2) How has popular/academic opinion of the Electoral College changed over time? Has it always generated confusion and criticism?" ]	[ "Explain it like you're five? So somebody like an American version of Justin Bieber isn't swept into office because of his fan base." ]
Is it possible for entropy to reach zero?	[ "The 3rd Law of Thermodynamics says a system cannot be brought to zero entropy in a finite number of finite steps (equivalently, can't be brought to a temperature of absolute zero in a finite number of finite steps). You can read more [here](_URL_0_)." ]	[ "Sort of, but only in the sense that nothing can go faster than the speed of light. This isn't really \"terminal velocity\" with the real definition given by the other posters." ]
Why can babies live only on milk while a full grown adult can't?	[ "I am going to assume you meant breast milk... And I'm pretty sure an adult could survive for quite awhile on breast milk alone, if there was a person who could produce enough of it to fulfill their caloric needs. Babies don't require a lot of calories, mainly just nutrient rich healthy fats and water. Breast milk ...	[ "Some cultures have a very specific diet. The Inuit diet contains a lot of seal and they eat most of it, even the eyes. If you watch an animal hunt and eat something, they eat the guts first. The liver is packed with nutrients like vitamin A. Muscle, such as a steak, has a lot less nutritional value than organ meat...
What, if any, was the involvement of the various Natice American tribes in the American Civil War?	[ "I've answered this question a few times. You can find [the longest version here](_URL_0_)." ]	[ "Having done some background research on the region for some project evaluation, I have come across the debate between impact vs. tectonic origins. IIRC, there have been no signs of impact-related geological features (shatter cones, high pressure minerals, etc.) and the best explanation is a terrestrial tectonic bo...
What is the difference in sound quality between "Mastered for iTunes" and an audio CD?	[ "Unless the CD was mastered woefully badly, you're always better off getting a CD than any compressed music (such as iTunes, or using Amazon's auto-rip). There's an off-chance that a badly-mastered CD will be worse quality than a properly-mastered AAC file (or whatever compressed audio you get), but it's not very l...	[ "PC games: if the game is bought on Steam or some other DRM manager, the game is downloaded beforehand and installed, and the game is ready to be played the very minute it is released. Console games: games bought in store have the possibility of being sold out before you have the chance to buy itit, even if you go...
How to tell if a movie is either well directed, well acted or well written? What is the difference among them?	[ "The problem with this question is that it's very subjective. Everyone has their own opinion on what is or isn't good. Good Acting - Did you believe the characters? Good writing - Did you enjoy the story and dialogue? Good Directing - Did you enjoy the film? The normal audience opinion doesn't matter any less than ...	[ "Soooo many things. Temperature, current water AND salt levels in your body, your diet (not just week-to-week, but also day-to-day, and sometimes meal-to-meal), hormones, exercise, current and previous health routines, sleep patterns, and the consistency of all of these factors. If you want to start having more \"g...
Why is alcohol exempt from having a nutrition panel?	[ "Pretty sure its regulated by the ATF. The FDA does not regulate it. The FDA has nutritional info as a requirement, the ATF doesn't." ]	[ "MADD lobbied it through the Congress a few decades back." ]
Why was "roman concrete" not used for centuries after the fall of the empire?	[ "[META]: Not wanting to backseat mod here, but could you please rehost that image of the pantheon dome to _URL_2_, rather than the (donation-driven) Wikimedia servers? Reddit (and this subreddit) are pretty high traffic, and I'd hate to see AskScience costing Wikimedia a bunch of money." ]	[ "BTW, for those that are downvoting this question, I would appreciate it if you could take a moment to explain the motivation. On reddit in general I could care less if something I write gets downvoted, but here in askHistorians it decreases the chances something I ask will get answered so if I am breaking some sor...
How cranberry juice helps prevent urinary tract infections	[ "The latest thinking is covered [here](_URL_0_) FTA: > Researchers now believe that cranberries contain substances that prevent infection-causing bacteria from sticking to the urinary tract walls. There are a couple of different theories about how exactly cranberries do this. Some studies show that certain antioxi...	[ "Anything to take your mind off of the urgency. Alternately, you could slam a car door on your hand to take away the pee urge." ]
Why are petroleum based lotions discouraged with new tattoos?	[ "They tend to 'drain' the color of tattoos, and it also blocks the cells from getting air, which is necessary for proper healing and regeneration of the skin." ]	[ "Mainly, when they leak they cause massive damage to the environment, and while they don't leak often, it happens enough to make people worried. A pipeline in North Dakota just had a major leak this week for instance." ]
Is there anything in the known universe that is truly “unlimited”? Is it even possible?	[ "To paraphrase Einstein, two things are infinite: the universe and human stupidity, but I'm not so sure on the former." ]	[ "Three lines of arguments: * Experimental: Measuring the speed of light of a source that comes towards you gives the same result that measuring the speed of light of a source that goes away from you. That's why we're willing to accept that time slows and distance contract for the other frame of reference. * Math:...
why add salt to a water softening system?	[ "\"Hard\" water is water that has a lot of non-sodium salts dissolved in it - calcium salts, potassium salts, etc. Those are the cause of build up on taps and in water heaters. Water softeners remove those salts through a process called \"ion exchange\" where the calcium and potassium ions are pulled from the water...	[ "Historically lemon helped reduce the fishy odor of seafood. So it’s just become a tradition. Like fries and ketchup." ]
Why do doctors tell you to finish the whole bottle of antibiotics and what happens if you don't finish them?	[ "Essentially, the antibiotics kill the microbes that are making you sick. The meds make you feel better as more microbes are killed, so if you stop taking them after you feel better the more resistant ones are still alive and will reproduce. So these will be harder to kill with the remaining meds. If you keep doing...	[ "Several things. On an installation level, each program you install adds 'weight' to the operating system by giving it more tasks. These aren't always removed cleanly when you uninstall, which makes it important to reimage your computer about every year. Additionally, if you use a standard hard disk drive, the driv...
Why does everyone in the history seem to hate Jews?	[ "This was just posted yesterday. [Here](_URL_0_) is my reply." ]	[ "Congrats! You've asked what may be the single most-asked question on /r/AskHistorians. That's good news, because it means we have [a big FAQ file devoted to your question](_URL_1_). Check it out, and I hope it helps! Edit: And [here](_URL_0_) is a great answer from /u/talondearg, who answers it quite a bit." ]
How does electricity know what the shortest path is to its destination?	[ "It doesn't follow the shortest path. It follows all paths which create a circuit. The amount in any path is determined by the resistance of that path. If there are two paths and they have equal resistance, then half the current flows in each." ]	[ "Simpler explanation: I write you a letter that says \"This letter was sent from < my address > on < date > and < time > . Please send me a letter back as soon as you get this, with the exact time and date you received this. You follow the instruction and send the second letter back to me. When I get your letter, I...
Why is rape generally considered to be a man on woman crime	[ "It's possible for a woman to rape a man, or for men to rape each other. But outside of prison, the vast majority of rapes are done by men to women. And what you don't seem to realize is that some guys don't know the things you were told in that lecture. I frequently encounter guys who assume consent, who think t...	[ "The exact how is a little more complicated then i really understand, but roofies (rohypnol, pharmaceutical name flunitrazeoam) are a benzodiazepine. That type of medication is usually used for anti anxiety, insomnia, and in some cases preventing seizures. You might be more familiar with another member of that fami...
Why is the population in the United States significantly less west of the Mississippi River?	[ "- The US and the predating British colonies didn't expand past the Mississippi River until the Louisiana Purchase in 1803. There were some French cities and towns, but France's American colonial strategy revolved around the fur trade. The French had a few small trade outposts, but many trappers and traders would i...	[ "If you have Netflix there's a very good documentary titled \"the world without US\" It explains your exact question." ]
Why is the word, "number," abbreviated by, "No.?"	[ "Based on the Latin \"Numero\". Same thing for pounds (lb) \"Libra Pundum\"." ]	[ "M+ will add the currently displayed number to a running total that is stored in memory. M- will subtract from the running total instead. M will retrieve the current running total. Press 50, M+, 25, M+, 1, M-. The running total should be 74, press M to display it." ]
Is there any record of anti-slavery/underground railroad style groups in Ireland, during the practice of British slavery on the isle?	[ "Can I please ask you to clarify what time period it is you're talking about? From your phrasing, it isn't very clear whether you're making a reference to the kind of slavery St Patrick is described as being subjected to, or the use of Irish indentured servants in the Americas as a labour force by the British. If y...	[ "A collection of forums (called newsgroups) that was bit like really old version of Reddit. It's a bit hierarchical, so groups kind of contained other groups - so One called \"alt.subculture\" might have a sub group called \"alt.subculture.punk\". In the past it worked by internet providers synchronising the conte...
Hobby Lobby Supreme Court Case.	[ "Hobby Lobby's owners, who are religious conservatives, do not want their company to provide contraception as part of its health insurance plan. They are opposed to it, and feel that since they are paying the bill, they should be able to choose to select a plan that doesn't include contraception. Many people agree ...	[ "Basically, the Cult of Hubbard rakes in enough money to have really good lawyers. South Park did an extremely accurate portrayal in the episode \"Tom Cruise Won't Come out of the Closet\"" ]
Why does not eating for hours give us a headache? And then why does finally eating again not eliminate the headache?	[ "Blood sugar gets low and causes the headache. I don’t know the answer to the second part though. Also you’re probably dehydrated." ]	[ "Even in wester society there are variations of this, and in some cases it is even reversed. In southern-Italy they \"throw\" their head for 'no', and in Bulgaria they shake for 'yes' and nod for 'no'. The same variations exist all over the globe from culture to culture. Some shake and nod the same way westerners ...
How Earth's magnetic field protects us from solar wind.	[ "The solar wind, actually all of its radiation, are particles. They are also charged, so the poles of the magnetic filed deflect them." ]	[ "Take a good telescope, and catalog the stars you can see. [Compute their distance](_URL_0_). Then plot everything in 3D, and you'll see that the stars that are reasonably close to us, form a spiral, and that we are roughly in the middle of one of the \"arms\" of that spiral." ]
How do our ears make wax? Is this the only place in our body where wax is made?	[ "Ear wax (cerumen) is a secretion produced by your ceruminous glands, which are only found in your ear canal. It's a mixture of sebaceous secretions and secretions from modified sweat glands, and serves to trap anything foreign that gets into your ear canal (e.g.; dirt, insects). Your body has other sebaceous gland...	[ "Wikipedia doesn't know what they're for, usually random traits like this are caused by either: 1) The genes that cause it to grow also have other functions (maybe brain development?) that are selected for 2) Sexual selection - earlobes (for some reason) make a person look better to the opposite sex so you have mor...
Do bees that die when they use their stingers not seemingly conflict with the concept of natural selection?	[ "Bees are [eusocial](_URL_0_) creatures, so selection is more for the fitness of the hive than the individual. You lose cells when injured but are no less fit for it; the hive can and will lose bees as needed. /u/itsonlybitcoin makes a good point about genetics. Remember that worker bees will never procreate anyway...	[ "Imagine a huge machine. You'll find screws, nuts, bolts, gear wheels, cambelts and whatnot. Each part has a purpose. If part A doesn't work, part B may not be functioning as well. Nature is way more complex. Animal A maybe a source of food for animal B. Animal B helps animal Z to survive via a long chain. If anim...
How did people store foods before refrigerators were invented?	[ "In NZ where the weather is similar to the UK our houses all had food safes; this was a box that was often on the outside of the house with a door on the inside of the house. The exterior had mesh windows which allowed air through. You could use it to store things like milk, cheese, meat (for a very short time), et...	[ "Do you have a particular geographical region or time period in mind? You're more likely to get a good answer if you are more specific than \"people in the past\"." ]
Why do slugs die if salt gets poured on them?	[ "Slugs are over 90% water and need a moist place to live. Salt draws the water out through their very thin/porous skin and they dry up and die." ]	[ "I notice a lot of these natural selection questions are a lot easier to understand if you question the fate of the opposite, in this case the answer becomes clearer if you ask instead \"What happened to the living things that didn't try their best to produce offspring?\" Well they had fewer heirs and eventually di...
Hows is the Commission on Presidential Debates legal?	[ "Why wouldn't it be legal? It's an organization designed to carry out a function. It does that function. Where's the illegality?" ]	[ "Think of it this way. I own a house. In this house I allow several drug dealers to ply their wares. I don't sell drugs, I don't use drugs however I do FACILITATE knowingly, the use of drugs by my direct action and I am profiting off of it. Basically that's why, they know that they where facilitating the exchange o...
If you were traveling straight up, similar to a space shuttle launch, at a steady rate off 100MPh and you threw a ball straight down at 50MPh, would the ball continue to rise?	[ "If you threw it straight down at 50 mph relative to you, it would be going up at 50 mph relative to the Earth when you threw it. Of course, the gravity of the Earth would cause it to turn around and fall back down after a little time. You can see the equivalent phenomenon on an airplane. If the flight attendant to...	[ "The lower density of the air actually doesn't change the speed of sound that much, in an ideal gas the speed of sound is independent of density. Temperature does change as a function of altitude, though, and this changes the speed of sound. [Here's](_URL_0_) a handy graph from wikipedia, you can see the speed of s...
Cheap soap sucks.. Why?!	[ "Soap is generally made from hydrolysing a fatty acid with a strong base. One possible reason for \"cheap soap sucking\" is that in production, excess base was used and not neutralized afterwards. (This, in turn, could be due to the source of the base; it could be derived from wood ash etc., in which control of sto...	[ "Sometimes the exact same factory just uses a different label for the exact same product, sometimes the differences are small and you get essentially the same product, and sometimes the differences can be large with EITHER the store brand or the brand name product being superior. It's difficult to tell and how well...
How does the Large Hadron Collider work?	[ "The LHC accelerates protons or heavy nuclei to very high speeds, and then these objects undergo collisions. In those collisions, some of the energy of motion (kinetic energy) of those particles is converted into mass (which relativity shows is a form of energy), producing new particles. Some of these will be newly...	[ "Here's a link to the Hubble website (that another poster plagiarised from) that gives some explanation: _URL_0_" ]
Is it possible to separate the electric and magnetic fields in a photon?	[ "There's not really any such thing as a magnetic field. Magnetism is just a consequence of special relativity. It's useful, when working in one frame of reference, to create this mathematical object called a \"magnetic field\" that describes the effect of special relativity on moving charged particles, but when you...	[ "The answers above are for telecom fibers. From a purely physical point of view, it's in fact quite hard to make a fiber that transmits only in one direction. Light won't interfere with light from a different source aside from specific cases (called photomixing or optical heterodyning), so you can send light from b...
What would happen to Earth's oceans if the moon blew up?	[ "There would still be tides, due to the tidal force from the sun. The sun's tidal force is a bit less than half as strong as the moon's, so the difference between high tide and low tide would be smaller. Beyond that not a whole lot would change." ]	[ "You and your friend each have a large, thick water balloon. You have gotten bored of playing with them so you decide to throw them into the sink because you are five and that seems fun. You both throw your balloons into the sink at the same time and they compress together, they were tough but the combined weight...
How does countries calculate its land area?	[ "These days the most accurate answer comes from GIS data. This basically describes the shape of the country as a polygon, i.e., a shape made up of a sequence of straight lines connected together. There's a (relatively) simple [mathematical formula](_URL_0_) to determine the area of a polygon. There are some minor c...	[ "This CGP Grey video does a really good job of explaining it all. _URL_3_" ]
Why didn't Germany use "undesirables" as soldiers?	[ "The first thing to say is they actually used people who would be thought of as undesirable. Mischlings were often used as soldiers in the army and others who were more Jewish also served after been given essentially A free pass. One of the more famous examples is Erhad Milch who was a half Jewish Field Marshal in ...	[ "These areas are labeled on both the first and second maps, so we can understand the third map to follow the same idea. The first map has a note below the key stating \"Ungeordnete kleine Gebiete sind weiß gelassen\" which means \"Insignificant small territories were left white.\" The second map labels them \"nich...
Why is the animals brain usually located in the head of animal?	[ "The other responses so far are good, but in addition to latency, neurons are expensive! There is a lot of evidence suggesting that many aspects of the structure of nervous systems are organized in a way to reduce wiring. So if you have many critical sensory structures in the head (which is probably since it's at t...	[ "If you go to a major retail chain, all of the employees wear the same uniform, and look rather similar. If you go every day, you will start to learn to tell the individual people apart at a glance, and learn their names. The answer is experience. We have seen so many animals of that species, we start to learn to t...
Why are car windshield's slanted, but bus and train windshields straight up-and-down usually?	[ "For cars, it's important to reduce drag. For busses & trains, the priority is volume and getting as many people on as possible. Efficiency is the name of the game" ]	[ "heard this on the radio the other day: since the eye is a very vulnerable part of the body, it is protected by skin to resist the harsh environment of the prehistoric world, namely the cold of the ice age. It has become an inherited \"trait\" of people, whose ancestors originate from very cold environments. Not on...
How can the Friends TV series be shown in a 16:9 aspect ratio on Netflix without seeming recut when it must have been shot in 4:3 like any 90's show?	[ "It wasn't actually shot in 4:3. It was shot 'Academy', or 1.37:1, which is wider than 4:3. To show it on TV and DVD, they chopped the sides off. Now, to show it in 16:9, they put the sides back on, to make it wider, and chop the bottom off, to make it wide enough. [Here's a diagram approximating it.](_URL_0_) Nei...	[ "Flat screens come on sheets out of ,essentially, [a \"printer\".](_URL_0_) That printer is only 80 inches wide. Like paper, they can cut smaller sizes out of that sheet easily. To go bigger, they have to \"sew\" two sheets together, with is costly. Imagine taking two pieces of paper and gluing them together in...
How common was casual sex throughout history?	[ "Thank you so much for asking this, OP, I've wanted to know this for years. And I'd like to expand (or maybe define) casual sex for the purposes of this thread. There is sex between people who aren't close and met that night. There is also fooling around between young unattached people. In the liberal arts world, a...	[ "This might be easier for people to answer if you gave a specific time and place. Are we talking about Italian renaissance choir boys or Chinese imperial officials? Edit: specific time not a specific Tim" ]
Are there any working attempts at a Grand Unified Theory that don't contain proton decay?	[ "The [Pati-Salam model](_URL_0_) supposedly does not predict proton decay, unless it's embedded in a larger model that predicts it. This model does, however, predict magnetic monopoles, which like proton decay, are not observed in nature. It also suggests that quarks have four color charges and not three, for which...	[ "Rocks are not homogenous isotropic materials. Cracks propagate as microscopic tips. When they interact with grains or crystals it can deflect the crack. So without a perfect 3d model of the rock at micro scale it is impossible to perfectly predict crack propagation." ]
Do I have to pay any Credit Card Fees or APR even if I pay my statement in full?	[ "If you pay the balance in full every month, then you won't pay interest. Credit cards have a grace period of a month or two so that you only pay interest on the balance that you carry forward. You do still have to pay annual fees in most cases, though. They just get added to your balance." ]	[ "Yup. You must ALWAYS clear a sample or risk infringement. In fact, in [Bridgeport Music, Inc. v. Dimension Films](_URL_0_), N.W.A. was hit with a lawsuit for using a two-second guitar chord and lost. This changed the music industry's practices of sampling. Before Bridgeport, it was allowable to use small sampl...
Why is Zoophealia largly illegal but websites like zootube keep running	[ "Probably because Zoophilia isn't illegal everywhere. It's similar to how the Pirate Bay is still around, despite online piracy being illegal in most places. They find a place that lets them host their servers. Since there's no international Internet Police, the only thing countries can do to stop it is by having ...	[ "I am fairly sure this is how a lot of escort services work without getting into too much trouble. You pay for the \"date\" and if sex happens, well that's between two consenting adults! I think you may need an actual lawyer to answer this question as it is probably incredibly complex and would vary based on states...
Why does it sting when you use Aftershave/Cologne after you shave?	[ "when you shave, you make micro\\-cuts all over your skin. Usually Aftershaves and Cologne has an alcohol in them to facilitate evaporation. Alcohol burns any wounds, even if they are small." ]	[ "It doesn't, the ad was intended to make you associate Colgate with feeling virtuous and then want to buy Colgate the next time you're at the store." ]
How long have people known about time zones and how were they first discovered?	[ "_URL_0_ As the United Kingdom grew into an advanced maritime nation, British mariners kept at least one chronometer on GMT in order to calculate their longitude from the Greenwich meridian, which was by convention considered to have longitude zero degrees (this convention was internationally adopted in the Interna...	[ "They feel the air pressure changes by the level of pain that they have from their chronic conditions. They learn to interpret these shifts and match them to the corresponding weather changes. It is not 100% accurate by any means, but it is somewhat accurate." ]
How are artificial flavors that mimic natural flavors made?	[ "In some cases there is a very specific molecule that gives a majority of the characteristic to a natural flavor. If that happens to be true and if the molecule happens to be fairly simple then it can be manufactured in huge quantities for low costs using chemical industry. For example, limonene provides a citrus t...	[ "They don't really. The chance of that stuff actually happening to you is practically nil - but if it does, from a legal standpoint you were warned in advance. From a medical perspective they probably have ways to tell that a certain mixture could have some side effect without needing actual cases of the effect o...
If traditionally in history most women have taken their husband's last name, and many families don't have sons to pass down the line, why isn't the whole world made up of just a small number of last names? Shouldn't the number be perpetually shrinking?	[ "If the global average number of children per name-donating parent is less than 2 and no new surnames are created through hyphenation, migration, or other invention, then the number of surnames would gradually decrease to 1 over a very long time horizon. However, the global fertility rate is 2.36 children per mothe...	[ "There is no full life. Suppose I give you a really large number of something. After an hour, I take away half of that number. After another hour, I take away half of what remains. After another hour, I take away half of what remains from that. So after one half-life, I've lost half the sample. But the whole sample...
How do we know that there actually is some stuff called dark matter and not that our current models are wrong and the error is showing as the discrepancy of matter and energy not matching?	[ "We don't really. Flawed models are always an option to explain weird phenomenon, and it certainly wouldn't be the first time it happened. The reason the leading theories include Dark Matter and Dark Energy is because we can't find the error. Everything we can measure in scales we have access to seem to be matching...	[ "Brown dwarfs have sufficient mass for fusion of deuterium, whereas anything smaller than this class does not. At a certain point yet to be determined by scientists, once a mass generates enough energy it's not a planet anymore." ]
How exactly does moonshine cause blindness?	[ "It can happen quickly (within a day), if the moonshine happens to contain methanol, which can destroy the optic nerve. Methanol can appear in moonshine either by accident (the initial portion of the distillate can contain methanol) or deliberate (the moonshine was adulterated)." ]	[ "Look at the Mafia bootleggers during and after prohibition. The black market booze made them rich and powerful. When it became legal, they didn't suddenly disappear, but it stopped being open war on the streets for the most part." ]
If three grenades are stacked as close as possible, will the blast radius be trippled or will the core just "explode more"?	[ "\"Blast radius\" is not strictly defined. But, if you define it as distance it takes for the blast wave to decay to some threshold overpressure (the most sensible way), blast radius is proportional to the cube root of the source energy. The threshold overpressure could be that required to cause lung damage, hearin...	[ "How loud a noise is in one ear, relative to the other ear, allows the brain to estimate where the source of the sound is coming from. When both sounds in each ear are in sync and being received at the same volume, your brain figures that the source of this noise must be located between your two ears; the middle (o...
Why is Latin still such a revered language to this day, especially in academia?	[ "Because it is not in current use and does not get any new words added to it. This way, if you know Latin, you know the exact same Latin that any other person who knows Latin would use." ]	[ "If you were to build a 'super' car, would it be the fastest? The car that uses the least fuel? The one that can carry the most cargo? The one with the most amounts of seats? The one that fits in every parking space because its small? Different people create different languages for different reasons. Some are supe...
Why can "waves" of gasoline fumes emitting from the pump be seen in the shadow of the pump on the ground, but when looking directly at the pump in the car, these waves are not visible?	[ "gasoline vapor has a slightly different density than air. as light passes through the vapor, it changes direction slightly as it passes through the areas of differing densities. we see this as the visible shimmer, and the shadow thereof. Heat shimmer and rainbows are caused by the same mechanism- light changing di...	[ "They use extremely fast camera shutters to capture a very short moment so you can see the light beam. However they can not reset the camera in time for the next frame so they cheat a bit by sending a new beam of light for the next frame. They make sure to synchronize the short beams of light with the camera shutte...
why is google sued for monopoly (google shopping above other results) but not apple, for declining spotify updates in the app store to sell apple music better?	[ "Spotify broke app store rules repeatedly, by trying to get users to subscribe via the Spotify site, thus bypassing Apple's transaction fee. Since they broke the rules, the update got declined. The rest is just PR nonsense." ]	[ "C'mon this is explainlikeimfive Linux - Legos - there are sets you can get or you can just build whatever you want. Might need a manual for some things. Windows - GI Joe - Everyone knows it and there are all kinds of cool accessories for it, but still a GI Joe in the end. Vulnerable to dogs and little ...
How does an economy grow?	[ "All \"economic growth\" is is an increase in the aggregate amount of goods and services that that economy produces. If we have a super small economy of just Bill and Ted and Bill grows 2 bushels of wheat while Ted grows nothing, then our total economic output is 2 bushels of wheat. If Ted starts farming too and gr...	[ "Pressure from the erupting tooth causes the gum to break down. After the tooth has emerged, the gum tissue recedes down the tooth until it is in the proper place. Tissue recession in this case means essentially that it shrinks." ]
Is it possible for a liquid to be volatile but still have a high specific latent heat of vaporization? Why?	[ "They're definitely interlinked. A liquid at room temperature will contain molecules with a wide range of energies, and the higher the population of molecules with enough energy to enter the gas phase, the higher the vapor pressure you will measure. Actually, the best example I can think of to answer your question ...	[ "The energy (actually power dissipation) can vary depending on the position along the bolt. This can be affected by things like atmospheric density, humidity, wind velocity, pressure, dusts, etc. As an example look at [Paschen's law](_URL_1_). You will notice the voltage varies non-linearly with pressure. This wo...
How did America's economy overtake Britain in the late 1800s?	[ "America had a ton of natural resources, long period of peace to develop, rapid increase in production due to industrialization, and rapid increase in work force due to immigration. Factor this in with increasing education and the growth of cities, and you get a massive us manufacturing and agriculture sector that ...	[ "Could you be more specific? This is an extremely broad question that would take forty hours and several textbooks to properly explain." ]
Why is the Book of Enoch not considered biblical canon?	[ "The book of Enoch in the Dead Sea Scrolls was discovered long after the canon was formed, and by that time the canon was a well defended tradition. So it was never properly considered as to whether or not it should be in the canon. Anyone who attempted to add it now would be labelled a heretic. There's also at lea...	[ "[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, ...
Why there are a different cost for in state tuition vs. out of state tuition?	[ "If you live and pay taxes in a state you have been contributing to the public institutions in that state. Thus, you get a lower cost for attending them since you've already been supporting them. That's why private schools won't have an in state/out of state difference. There's also the idea that public institution...	[ "Generally, drugs taken orally act on the body systemically, that is they are absorbed and distributed in our blood, throughout our whole body. They are then delivered to the site of action, for painkillers usually within the CNS or PNS. They don't just know where you hurt and then go there. Depending on the drug,...
How do ants find even the smallest piece of food far away from their nests?	[ "They send out scouts. The scouts leave a pheromone trail to find their way back. When you see a solitary ant walking over your kitchen work top it's usually a scout and will be running back to the nest to tell all his colony about the crumbs under your toaster." ]	[ "The magic behind is that you don't need to connect to a Wi-Fi network to get the metadata like SSID. Google tracks every Wi-Fi router that doesn't have \"[_nomap](_URL_0_)\" at the end of it's SSID. Your's, mine, everyone's. They build a database of what SSID is where based on the related IP address. And while you...
why red & green are the colors of stop & go respectively if red/green colorblindness is so common.	[ "Red for 'no' and green for 'yes' is fairly deeply ingrained in us - although just why is debatable (I made a suggestion here based on fruit, which was backwards!). This made the choice of red and green obvious, and color blindness just wasn't thought of when the choice was made, over a century ago for railroad sig...	[ "Bind people aren't invalids, they're just blind. Some of them are only legally blind. They can still see colors and light. They can do most things others can do, including engineering, math, science, cooking, or running businesses. I know a blind guy who runs a snack bar on an Air Force base -- he makes bank selli...
Why do we have so many different programming languages?	[ "What's a feature to some people is a flaw to others. Here's an example. In C, you say this: int x; Whereas in python, you say this: local x So in C, the programmer is pointing out that \"x\" is going to be an integer. In python, the programmer isn't saying what \"x\" is going to be - maybe an integer, maybe a frac...	[ "In terms of evolution: Reading a bit the article \"ABO blood group glycans modulate sialic acid recognition on erythrocytes\" (Cohen, M, et al. Blood, 2009), they suggest that the different blood type \"antigens found on human erythrocytes modulate the specific interactions of 3 sialic acid-recognizing proteins......
Does drinking/doing drugs change your perception of reality in general? (not just while intoxicated)	[ "There are numerous anecdotes of people stating that using psychotropic or psychedelic substances changed their perception of reality in general on an ongoing basis." ]	[ "Brains easily perform many, many tasks hat are difficult for computer. Take that we know brains are optimized for pattern-finding. Consider intelligent life forms have to interact with a real 3-world and real time. Which means they can check their expectations. Testings a supposition is as simple as rotating an o...
What is the difference between a brook, creek, and stream?	[ "Local convention. It is not based on size. As [this map](_URL_0_) shows, what a person names a small body of flowing water has more to do with where they live than anything else. For specific etymologies: Brook - Comes from the Old English and is related to Bog. It probably originally referred to slow meandering...	[ "Uk Language? Pills will get you proper munted. Like out yer bonce. It'll make you think chubbers are buff and pull shapes all night. Draw makes you want to cotch. Then you get bare munch and need to smash a mint Aero and Potnoodle, maybe a maccie d's. Chang will make you Brap." ]
why do we feel less tired and feel less need to sleep when we can engage often in activities that makes us feel good?	[ "Dont let me talk out of my ass too much but basically your body releases endorphins when you do something you enjoy. Endorphins provide a sense of euphoria which stops you from feeling tired. Another reason may be that your body is releasing andrenaline when you play video games which also gives you more energy. D...	[ "Our brain is constantly making connections between one idea and another and navigating how they are related. When you are a child you must \"imagine\" answers to fill in the gaps which you haven't discovered. As you age you fill in more of those blank spaces with real tangible experiences and when you think of som...
Do species with a shorter lifespan evolve faster than those with a longer lifespan?	[ "Organisms with shorter lifespans will have more generations in the same period of time, so more mutations will occur in the population in the same period of time, meaning evolution will happen faster. We often use insects in labs when we want to study the evolution of traits partially for this reason; they also te...	[ "Basically its the idea that Darwinism (natural selection and self pruning of undesirable traits through low suvivability) applies to brain neurons. Key part of it is that when you are born, your brain develops in a ton of diverse ways, just because. As you age, the brain goes \"This part's not needed\" and prunes...
what is the purpose of high end income restricted apartments?	[ "Cities/states want different income brackets in their city. So the local government will give grants to developers to develop for certain income classes. Like it's not just a welfare thing for poor people. Like a city would say \"we need some middle class people in this city\" but they know property prices are su...	[ "None of these colleges is \"private\" in the sense that matters. If you accept federal student loan money, you have to obey the government rules. Letting rich people buy their way in by bribing coaches is not, unsurprisingly, allowed by the rules." ]

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