Split (3)

train · 273k rows

title stringlengths 0 299	text list
What did early Humans do on an average day?	[ "Life wasn't \"nasty, brutish and short\". According to the latest research, hunter/gather societies had massive amounts of free time. If you go back to just the Medieval era, the so-called \"peasants\" could hardly be persuaded to work (for money) for more than an hour or two a day, because they met all their own ...
The difference between 4x4 and All-Wheel-Drive	[ "Main difference is AWD is \"always on\" whereas 4x4 is a selector that can be turned on or off. 4x4 locks a differential so all 4 wheels travel at the same speed, and is best suited for low speeds on rugged/slippery terrain, and not higher \"normal\" driving speeds. AWD systems are more complex and can work in tan...
Why do I get chest freezes instead of brain freezes?	[ "Brain Freeze is a referred pain, from the esophagus. There are a few places in your body that this happens, where the pain occurs in one place and is felt elsewhere. In this case the pain in your esophagus caused by something cold is felt in your brain.\n\nIf you get chest/back/esophagus freeze, it's your body s...
What happens to a landfill when it's full?	[ "TYL the highest mountains in florida are landfills.", "They cover it over with plastic sheeting and fiber mesh to keep any chemicals from leaking out, then they put tubes down into the landfill, extending out of the mesh, allowing any gasses (methane, etc) to be dispersed into the air and not create a fire hazar...
The Indian Caste Hierarchy	[ "In what year or when exactly indian caste system began is not known till now.Now imagine a neatly organized society where each section of society has a job to do and each and every member of this society has to do that job.fast forward a few centuries and the people born in castes which control money,religion,land...
How Does a Neon Light Work?	[ "Say for a moment you're an atom. An atom who has alllll sorts of electrons easily available on it's uppermost layer of electron shells. Why, a noble gas to be specific, the most charmed of the element classes. We'll call you \"Neon\"\n\nSo, you, Neon is having a -bitchin'- time in it's lowest energy state, just ch...
What is the simplest way you can explain left vs right when it comes to politics?	[ "Economically \nLeft wing: taxation is (relatively) higher, but pays for more services, eg, hospitals, roads, police. Includes more state-owned businesses. This allows the rich to be charged more for the services the country provides than the poor. \nRight wing: taxation is lower, but services like health...
How has the US managed to mono crop for so long?	[ "It used to be a lot more important to rotate crops before artificial fertilizers and mechanized farming. The reason for crop rotation is that most crops pull nitrogen from the soil without replacing it, but a few crops pull it from the air and put it back in the soil. Leaving fields to lie fallow is also important...
Why do police Tasers have cameras on them but not their guns?	[ "Police officer and Taser Instructor here:\n\nTaser (the company) has a monopoly on Conducted Electrical Weapons. So any CEW you see an officer use is made by Taser. They offer cameras for thier devices (at an extra cost).\n\nThere is no monopoly on what guns police departments use. They are issued many, many br...
Why are people so politically charged?	[ "Mostly because our lives are directly impacted by who our government officials are. In America we vote to have Laws passed, therefore everyone who votes whether they are for Or against this law they are all entitled their opinion. Some political views such as abortion are extremely heated, and both sides do have v...
Volkswagen's Fraudulent Emission Case	[ "Hopefully I can explain it, I got one of the cars too.\n\nFirst, emission standards, EPA wrote them, said they have to run their cars through a test to check the emissions, write a report saying the car passed, and then the EPA allowed them to be sold. As part of this, the EPA had the manufacturer prove that when ...
Why do many languages have different letters from each other, but numbers are written is the same way everywhere?	[ "Actually, numbers [aren't written the same everywhere](_URL_0_).\n\nThere are other variants in use across the world, too.", "Numbers aren't written the same everywhere. Arabic numerals have become an international standard for mathematics and science so the are taught everywhere, though.\n\nLanguages still oft...
Nerve Impulse Transmition	[ "What exactly do you want to know? Here's the overall process:\n\nSomething excites a nerve and it sends an electric signal down the cell. There, the electric signal triggers certain chemicals to be released at the end of the nerve. The chemical goes and triggers another impluse in the next nerve (Action Potential)...
The Nordic Model in prostitution criminalization.	[ "I looked wikipedia map but i live in Finland (it's a nordic country) and prostitution is legal as long as you are 18 or over and not a victim of sex trafficking\n\nI'm not sure how it works because i haven't done that but as far as i know prostitutes meet their customers at their own home, and they advertise on in...
How Do Fish, Dolphins, Sharks and other Aquatic Creatures sleep?	[ "Disclaimer: I'm not 100% sure on this\n\n\nI read somewhere that they kind of switch between the right and left side of the brain, the alternation gives each side time to rest without actually sleeping." ]
What would happen if the US dug itself out of debt?	[ "There have been a lot of questions about the US debt so try the search if you want more information about it, I'll focus on the \"what if\".\n\nIn general, debt isn't bad. Money from debt is spent on infrastructure and facilities which grow the economy overall, if the growth is larger than the debt acquired, then ...
If you were to put a person in a tub of room temperature water, and raised it a few degrees at a time, could you kill them without discomfort?	[ "What comes to mind is the boiled frog experiment. The basic \"idea\" behind it is that if you put a frog in a pot of water and slowly raise the temperature, it'll die before jumping out. This is a widespread myth but it's untrue. It's likely based on experiments done in the mid 1800's, where scientists found out t...
How are messages sent through wires?	[ "You speak into a receiver. In the receiver is a magnetic cone attached to a metal loop. In an old phone the metal loop is attached to a wire that travels to a operating board that connects your line to the person you are trying to reach. \n\nWhen you speak, the magnetic cone vibrates with the sound. The magnet mov...
- what makes it possible to hoist 2 ton cannon up a cliff using a "block and tackle"?	[ "A block and tackle multiplies your force because you pull a lot on the rope and the weight moves only a little bit. If you had one loop a the top and bottom then you would pull the rope 10 feet and the weight would move 5 feet but would only require half the force. If you had 10 loops on both end then you would mo...
Why do some beards have spots and is there a way to avoid them before growing out a beard for the first time?	[ "Beards have spots because those are places you do not grow facial hair. This is determined by genetics and if you have them there is no way to avoid them or to make the beard grow more thickly. You simply will be unable to grow a beard that looks normal/proper." ]
What's the difference between Shia vs. Sunni Islam?	[ "After Muhammad died the Muslims had to choose a new caliph (leader). The first few were chosen without controversy. The fourth caliph, Ali, was assassinated in 661 which split the Muslims.\r\rShiites (aka Shia) emphasized blood descent in choosing the caliph. They thought Ali's grandchildren should be caliph. Sunn...
How can the universe expand into something if the universe is considered everything?	[ "> Why is it expanding?\n\nAs far as we can tell it's always been expanding, and nothing is stopping it from continuing. In fact, our latest observations suggest it's picking up speed. Due to what? We have no idea: that's \"dark energy\". Figure that out, and there is almost certainly a Nobel Prize waiting for...
Why does Pepsi lose it's fizz/carbonation so much faster than Coke?	[ "Because the carbonation is different. Less CO2 dissolved in Pepsi than in Coke. The bottle size can play a role too, usually big bottles are less carbonated." ]
File Compression	[ "Consider these two lines:\n\n\"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA\"\n\n\"the letter 'A' repeated 50 times\"\n\nThe second line is a compressed version of the first line. Rather than just writing out all the data, I described a pattern in the data, and it turns out that description was shorter. Th...
Why do certain vehicles like a Toyota Tacoma have unreal resell value, while others such as a Ranger are deemed useless at a comparable age?	[ "It's believed that at 200k miles, the Toyota will still be going strong, while the Ford will be scrap. I don't have any statistics to back this up, but I've seen several Toyotas live through several generations of Fords and Chevys." ]
Why do you need to “come out”?	[ "It's all about expectations.\n\nMost people are straight, so most people expect you to be straight. This expectation provides a framework for interacting with you. \n\nFor example, if you're a teenage guy, and your friend is a (straight) teenage guy, he might talk about some hot girl in class, and expect you to fi...
Why do people go for coffee/tea/a drink as a way of meeting each other for a chat?	[ "It's an open, public place, and it's something fairly non-committal. If you sit down for a full meal, you're there for probably the better part of an hour. If you grab a coffee, you can chat for as long or short as you like depending on what's going on. It's also pretty cheap, only spending a few bucks for a drink...
Why do only 5-10 people answer questions or provide discussion in a classroom?	[ "Some people don't know the answer. Some people are shy. Some people are scared of being seen as a nerd.", "In my experience in most discussion based classes, it's because those 5-10 people are louder than the rest, and no else one can get a word in." ]
Why did Forbes estimate 50 Cent's worth to be $155 million when his lawyer says that he is worth no more then $4.4 million?	[ "Forbes wants to publish articles about impressive people, so they have a motive to push the number higher.\n\nThe lawyer has a motive to protect his client's funds, so they have a motive to push the number lower.\n\nProper answer is somewhere in the middle. Wealth can be pretty complicated once you move past simpl...
Before there was cameras or forensic science, how was it possible to prove anything beyond a reasonable doubt?	[ "The key word is \"reasonable.\" You can always come up with increasingly unlikely scenarios for a situation but they have to reasonably fit the evidence. For example, if six separate people all say they saw me kill Billy Bob, my clothes were soaked in blood, and the knife that was used to kill him was engraved wit...
The accent from the 1940s/50s that no one seems to use anymore	[ "It's the Transatlantic accent; an artificial accent used by broadcasters meant to sound equally acceptable to Americans and British: _URL_0_", "Back in that era, people weren't as mobile, and region accents were quite strong. You could tell if someone grew up in Baltimore or Milwaukee or Indianapolis just by li...
How can people who work M-F 9-5, accomplish anything?	[ "We do a lot on our lunch breaks. Also, in most major cities there are a lot of offices open late at least one day out of the week. Real estate agents work well into the evening and the post office is open on weekends. Plus so much can be done online these days, you can pretty much accomplish anything at any time."...
How are daily fantasy leagues NOT considered a form of gambling?	[ "Gambling or not is irrelevant. \n\nThe law says fantasy games are allowed and poker isn't. The law also says that betting on horses is legal subject to a separate law, and betting on horses is certainly gambling. \n\nPeople can debate you on your comparison up there, but it really doesn't matter. the law says poke...
Why do words sometimes seem like they're spelled wrong when I think about it for too long?	[ "Gestaltzerfall, which is basically a more pedantic way to explain when you stare at the particular character, or words in this case (as the term was originally referring only to this phenomenon occuring with japanese kanji characters), and a part of your brain whose job is to store the visual information wears out...
Why do I have to close unrelated apps/programs when installing an app/program update on my Mac and/or PC?	[ "Internet browsers can often use plugins from other software/suites e.g. Microsoft Word/office. If the browser is open during the update (i.e. the plug-in is busy) then this might cause a failure to update microsoft office completely, as it also needs to update the plugins.", "Shared DLL's (in the case of Windows...
the gender wage gap, and if it's a "Myth" or not.	[ "It's real. Women get paid less than men for the same work (on average). \n\nThe \"myth\" part that has caused recent attention is that the figure 0.77 $ for women per $1 for men has been used a lot and it turns out it's not accurate because it wasn't controlled properly for hours. Women also work (on average) fewe...
Why has the global temperature spiked so dramatically in the last 10-20 years even though that's the timespan we've become aware of global warming and started trying to combat it?	[ "Guess what happened before 20 years ago? Rampant pollution while being oblivious. \"Just exhaust it, planet Earth will pick up the slack and balance out\" was the mentality back then.", "Because awareness doesn't imply doing something about it, the efforts to combat it are tiny, oil was cheap, and the alternat...
Whenever there is a race, why do the cars sitting all the way in the back still have to finish first?	[ "There's a qualifying round before the main race where the racers try to set the fastest time. They are lined up in order of their qualifying time." ]
Why are Honda Civics so popular in the car modding community?	[ "because they are popular generally. the car is incredibly reliable, the availability of parts is high - both scrap and off-the-shelf. If you're going to start making parts for a car-mod community you're already dealing with a subset of car owners, you don't want to make your market even smaller by picking an unc...
Why is February only 28 days long?	[ "Because a long time ago a group of people we will call Romans decided they needed to know how long between planting seasons. They made a calendar. On this calendar, they counted out ten months. To be fair to each of the months, they made them all equal of 30 days. \n\nThat made a 300 day year, which even a five ye...
A hangover, and why it can't be "cured"?	[ "A hangover follows a night of heavy drinking. When you wake up the next day, you may feel like poopoo. This feeling is usually caused by a headache, fatigue (tiredness) and nausea (sickness at the stomach accompanied with vomiting). \n\n \n\nHeadache:\n======\nAlcohol dehydrates (removes water from) your body ...
The arguments against GMO's	[ "Diet in America has been going through fads in the past decades. The argument against GMOs is as much social and emotional as it is scientific. Most people don't read scientific journals, so their understanding of the issue comes from less objective or reliable sources.", "Some people who have a \"natural = good...
Why are most skyscrapers gray or blue and not other colors?	[ "Well, skyscrapers are covered by glass on the outside. Glass is light, resistant and allows you to have great views. If the sky is blue, the building will look blue. If the sky is cloudy then it will look gray. Look at a skyscraper when the sunset is happening and it will reflect a different color.\nAlso there are...
Why is debating another person so appealing?	[ "Debating forces you to examine your own thoughts more closely. It challenges your mind. It's like sports, only better because it's your brain, not your muscle that wins or loses." ]
Where does Europe end?	[ "Europe's Eastern border is usually drawn at the Ural River, the Ural Mountains, the Caucasus Mountains, the Black Sea and the Caspian Sea.\n\nTurkey is in both Europe and Asia - the western bank of the Bosphorus is in Europe, and the eastern bank is in Asia.\n\nWestern Russia is usually seen as being in Europe; ag...
How do our bodies acclimate to hot/cold temperatures?	[ "Our brains have a \"thermostat\" (this is one of the jobs of the hypothalamus) to maintain a constant body temperature. It controls heating/cooling functions like sweating, shivering, and keeping blood circulation closer to our core to conserve heat or circulating it to our extremities to cool off by dissipating h...
Torrenting	[ "Whether you are seeding or leeching, you do have to provide an IP address. You are communicating with someone over the internet, after all; you have to know where to send things, and when you send things, they have a return address.\n\nYou can be tracked either leeching or seeding, depending on who's doing the tr...
How does anesthesia work in the body and why is it sometimes fatal?	[ "Most anesthesia in modern medicine is actually a combination of sedation (making you sleepy or putting you to sleep) and analgesia (relieving your pain), because most patients want to be asleep and pain-free during their surgery or procedure. Some may include a third group of medications, paralytics (make your ske...
What's the difference between an LP, EP, single, etc. when talking about collections of music?	[ "A single is generally one track. \n\nAn EP (Extended Play) is longer than a single, but shorter than an album. Usually once the runtime exceeds about 25 minutes, or four tracks, it becomes, technically at least, an album or LP (Long Play). \n\nThe difference between Album and LP generally is accepted to be that an...
How was the first computer program made if there was no program to make it in?	[ "In the beginning, there was only the computer's language, we call it machine language and it's made purely of 0 and 1. On or off to be exact, since the computer users were setting switches to write a program. That was the first generation language (also known as 1GL).\n\nBut it was frustrating so with further tech...
How do fetishes work?	[ "There is no certainty that the dog peeing on you had anything to do with your fetish. I've had the unfortunate luck to be peed on by several pets as a child (Dog, Cat, and Hamster - the cat was the worst, if you're wondering), but I don't have a urine fetish.\n\nThe actual process of fetish-forming isn't exactly...
How do Super Smash Bros professional competitions work?	[ "You can check out r/smashbros for more information on tournaments and overall smash bros. news.\n\n\nThey're typically conducted with stocks instead of time, with pools to skim out the top players, then into a double elimination bracket. Most tournaments keep the sets as best of 3 games to win the set until the to...
How can large companies like Costco, Nordstrom, Sephora, etc. afford to have such generous return policies?	[ "The more generous the return policy, the more likely people are to impulse buy.\n\nWhile some take advantage of return policies often, most don't. Therefore you have net gain for the company.", "Most customers are repeat customers. \n\nIf you piss them off with a harsh return policy, they are less likely to con...
How to use Reddit properly	[ "Different subreddits operate by different rules. What it acceptable in one subreddit (r/ < somename > ) will probably not work in another. \n\nSo lurk for a while in the subreddit of your interest and you might get the feeling for what goes and what doesn't.", "how do you make these things though with the topics...
Why I can't hear the American accents from movies and TV series, but can clearly hear it in real life.	[ "Not sure what you mean, there are various American accents as well that are portrayed in movies. A guy from Texas isn't going to speak the same way as a guy from New York, and a guy from New York doesn't speak the same way as a guy from California. These accents are solidified in plenty of movies.", "American he...
Why do the windows in airplanes never line up with the seats?	[ "I imagine they did once, on one version of the plane but each airline will have their own seating configuration and also as safety rules change and maintenance work take place over the years the seats probably shift about. Just guessing tho. It is quite infuriating!" ]
how do businesses get paid in China? Does the government take all the money they receive?	[ "AFAIK their economy works like Capitalism but their government/laws run like Communism. Their system has evolved. I apologise if I am wrong.", "China runs on capitalism. \n\nIf you are a worker, you work and get paid. \n\nIf you have a business you work and get paid. \n\nThey do collect taxes just like everywher...
Why do cigarettes need to contain so many dangerous chemicals if it is the nicotine that keeps you buying them?	[ "Seems that a lot of people here have missed the main point. \nCigarettes go out pretty easily. They add one chemical to keep it burning despite windy conditions, one to keep it from burning too quickly, another to keep it burning consistently and another to make sure that they don't burst into flames outright.\n\n...
Why doesn't the surface of a pool of paint dry or crust up?	[ "The solvent has to 'migrate' through the paint to escape into the air.\n\nThe surface can't dry til the solvent is practically all gone.\n\n(Once it's mostly dry, the migration slows and the inside does \ntake longer to get completely dry.)", "show me paint that never dries, and ill do my best to show you an ans...
why have some famous people of Jewish ancestry anglicized their last names ( john Stewart, bob Dylan, Natalie portman, etc.)?	[ "Many performers are concerned that if they seem too ethnic, they run the risk of being discriminated against and not getting some parts. Particularly when you're trying to break into showbusiness, it's important to take any good part you can get. Nowadays, discrimination is probably less of an issue than it was ...
How some states can handle 1 ft+ of snow, while others will close roads, cancel work, etc.	[ "Realistically, I would say there are five reasons.\n\n1) Preparation: Cold weather climates put salt on the roads in advance of cold, wet weather like snow. This melts the first layer of snow, preventing it from forming an ice layer under the snow as the temperature drops.\n\n2) Response: Cold weather places ge...
. A popular blogger wrote, "if you factor in all of the costs and the externalities of private cars and translate them into the working hours it takes to pay for them, driving a car turns out to be slower than walking." If this true?	[ "It's certainly possible, it would be almost impossible to say with certainty if it was true.\n\nI've seen models that put the social costs of a gallon of gas at $15 and I've seen ones that put it at $300. Trying to come up with a good number means tracking a bunch of costs that are really diffuse, difficult to q...
What happens to light particles when you point 2 lasers at each other?	[ "Light can have two natures: the wave-like nature and the particle-like nature. If you consider light on \"small\" scales then you need to consider light as individual particles, or quanta, called photons. \n\nUnlike other common particles, such as electrons, protons, neutrons and others, which are called fermions,...
Why don't they give brain scans to detect mental illnesses?	[ "If it was possible to diagnose mental problems that way, that would be a good idea. But most problems are caused by things too subtle to be seen on an MRI. Hormones, for instance, or other chemical imbalances.", "Brain scans are pretty invasive. Most people don't want to be stuck into machines like that.\n\nAls...
Does the president or other heads of state have to clear customs the same way normal people do when visiting a country?	[ "No, as high-ranking officials of another government, they're covered by special diplomatic rules that allow them to dispense with that sort of stuff.", "They have a diplomat visa and it is a very powerful visa.", "nope. they are given diplomatic status and diplomatic bags. neither can be searched outside of th...
When selling stock in the US, why is there such a capital gains taxation disparity between short-term and long-term holdings?	[ "day trading is akin to income, you do it with a hope of actively earning money.\n\nlong term holdings are considered passive investments. \n\ncommissions are not the govts concern. Promoting safe and responsible investing is beneficial for investors and companies, which is the govts concern.", "It's to encoura...
why humans can grow adult teeth, and knee caps, as well as repair broken/fractured bones, but can't regrow them if they get removed?	[ "Both teeth and knee caps are things that we are born with. Specifically, if you didn't know, we are actually born with all our adult teeth. When they \"grow\" in they're actually just shifting out from their little storage zones in our skulls - there are plenty of kinda spooky pics on google showing both baby and ...
Why do we get those weird wrinkles/lines on our faces or body after sleeping?	[ "The skin was pressed against a fold or wrinkle of fabric which created a lump, which in turn caused a temporary indentation in your skin. This happens after sleeping because you don't move for a long time, but could just as easily occur while awake if you didn't move." ]
How did Western European countries end up colonizing the world, instead of some other civilization?	[ "Short answer. Geography\nLong answer. Go watch guns, germs & steel\nThe basic premise is that because of Europeans ability to grow a large variety of low effort high calorie foods in their temperate climate they gained an advantage over other civilizations", "The simple answer is a combination of geography (n...
How do the balance sheet and income statement work together	[ "Assets - Liabilities = Capital + Income - Expense. In your example above this would create a balanced entry.", "The final net income (bottom line) will impact the retained earnings which is on the balance sheet as an equity item. So in this instance, you're hitting the BS and P & L but the P & L always flows bac...
Why do we grunt when we push/lift/pull heavy objects?	[ "* Because our core instinctively tenses up to support our lower back, and air is squished out of us\n\n* Grunting actually tenses up your core more, forming a symbiotic grunt-squish relationship.\n\n* To assert our dominance over a heavy inanimate object to anyone within earshot." ]
What do internet service providers actually have to pay for when supplying you internet?	[ "There are a lot more costs than you imagine.\n\nFirst of, laying down the infrastructure is not really a once-in-a-lifetime cost. The initial investment is the highest yes, but over time, there will also be general maintenance costs and costs due to damage.\n\nThen as for personnel, an organisation like that will ...
Whats stopping billionaires from starting up there own micro-nations to act as tax havens?	[ "The fact that there is no land, anywhere on Earth, that isn't claimed by another country or reserved by international treaty.\n\nSo, really, the only way to start a country is by force of arms." ]
What causes ingrown hairs? (Specifically on the scalp)	[ "A bump on your head with hair trapped in happens when the sharp edges of the hair grow downwards or sideways back cutting into the skin of the hair follicle.\n\nA hair can be ingrown in two different broad categories. You may have ingrown hair that grows straight out of the hair follicle then it curls back growing...
Why does grease on my hands take so much more effect to take off compared to say getting some on my legs	[ "Pure speculation, but I imagine it’s because the deep grooves and wrinkles in your palms trap and maintain grease more easily than your smoother, less tough skin in say your thigh or calf area." ]
What is a Solid State Drive (SSD), and why should I use it on my computer?	[ "SSDs are getting cheaper per GB and getting larger. I use a 256GB SSD because I don't need to store all that much data at one time. I'm not a pack-rat like some.\n\nAn SSD is a hard drive with no moving parts. This cuts out the slowest part of the read/write operations on conventional hard drives which is moving t...
Why do I become suddenly weak when I laugh?	[ "Most likely because when you are genuinely laughing, you're relaxed. You are also exhaling a lot of air which means your body isn't quite getting the oxygen it needs. \n\nEdit: A word" ]
Why does does AM radio sound infinitely worse than FM?	[ "AM has one big flaw, the audio signal is coded into the signal strength (or amplitude - > the A in AM). The signal strength changes just like the audio signal, that makes it very easy to receive the signal. You can almost plug a Antenna into a speaker and it works. It's a very simple and intuitive, you take the s...
Why does grunting, groaning or generally making little noises when you are in pain help the pain level go down?	[ "your brain can only take a certain amount of input, and can only focus on so much at a time. By vocalizing, you're focusing your brainpower on an output and a feeling other than the massive pain input that your brain wants to focus on.\n\nAnother method that's been proven to work are things like virtual reality s...
Why do different drugs have different dosages?	[ "Because they have different effectiveness. Like booze / alcoholic drink for example.\n\nBeers in average has 3-10 % alcohol content while Vodka has around 40%. When drinking a bottle of beer, you won't get drunk as much as if you drink a bottle of vodka. CMIIW." ]
How does the draft work in NASCAR? And how come they can sling shot around another car?	[ "When a car goes very fast, the air in front of the car is compresed and the air behind the car get stretched out. The high pressure air in front of the car pushes the car back. The low pressure air behind the car also pulls the car back. My fancy diagram: ++ [ < --] --\n\nWhen a second car is following the first ...
what will happen if a number of infants are isolated?	[ "FWIW, the Nazis tried this to discover the \"original\" language of humans. Obviously no reasonable entity would try this for ethical reasons.\n\nThe speed at which they would develop a language, if they did, is also very important. There have been several cases of feral, non-speaking children who could learn to ...
Affidavit of Truth	[ "It's bullshit that a far-right Christian Identity guy came up with. It will not work to prevent your getting a ticket. If you refuse to recognize the authority of the government, they will just throw you in jail (assuming you commit crimes)." ]
Why were most of the more well-known fighting styles (i.e Kung Fu, Karate, Judo, Aikido, Muay Thai, Sambo, Tae Kwon Do) all from Asia? Were there many styles of fighting that Europeans developed?	[ "Boxing, wrestling, fencing, and jousting are examples of western martial arts that are very well known. \n\nIn the 1800s, when Europe had increased trade with Asia, the Asian styles became popular in the West because they were more exotic. \n\nThere are many more less well-known [Historic European Martial Arts...
How do labs figure out how many calories are in food?	[ "Not positive, but I always thought they burned it and measures the heat given off by it. Calories are a unit of energy, which would be converted to thermal energy when burned, so I assume there is some correlation there" ]
Confederate heritage	[ "It is, and it isn't. The confederates were strongly opposed to the emerging \"tyranny\" of the federal government and what they saw as the trouncing of individual state's rights by the federal government. The reason it still rings true today is that state's rights are still a big issue for the right and there is...
Why did the Greeks not just climb Mount Olympus to see what was up?	[ "Imagine you are a Greek. You ignore the warnings from the priests telling you how the gods will strike you down, and decide to climb the 10,00 foot mountain anyways. Well, once you get to a certain point, the air thins out. It becomes cold, even downright freezing, and all of the trees have vanished. At that point...
Without meaning to be disrespectful. What stops someone with social interaction conditions (such as Asperger's and other such ASD'S) from emulating what is considered normal human interaction, even though it may be foreign or unnatural to them? (Or alternatively is it possible, just unusual).	[ "Conditions like Asperger's, or mental health issues like bi-polar disorder, or conditions like borderline personality disorder affect a person's perception of, understanding of, and interaction with, the reality around them. These conditions have biological bases which strongly affect how the person reacts to thos...
can you be tracked online if using prepaid cell phone sim cards? How? Is this a truly secure anonymous internet?	[ "SIM cards on their own cannot be tracked but once inserted in a phone it can be tracked through the SIM's serial number and the phone's IMEI number. These details are automatically sent to the nearest network tower. \n\nGSM phones can be located using the signal information pretty accurately without even GPS. \n\n...
How were the 32bit Windows 2000 Advanced Server and Datacenter Server OSes able to support more than 4 GB RAM?	[ "I don't know the innards of those survive Windows versions but I know how it's usually done, because I've designed and built hardware with 16 and 32 bit CPUs that support way more memory than their address bus allows. \n\nThe problem is that the CPU needs a way to say which byte of memory to read, and on a 32 bit ...
what is actually happening to an app on my phone when I update it? Does the file get deleted and then the entire new app downloaded?	[ "An app is made up of dozens of individual code files that each accomplish one part of the larger task. When the developer makes changes to the app, not all of those files will have changed.\n\nWhen it's packaged for an update, only those changed files included, so it's only them that are downloaded by your phone ...
Why is customer support always so bad?	[ "A lot of the problem boils down to the fact that customer service reps are treated like shit by everyone they interact with.\n\nCustomers only call is when they are already unhappy. Even before the menus and waiting, the customer is in a bad mood, and will take out all of their frustration on the first person that...
Why are heavier elements found together in the same location?	[ "When the Earth was much hotter, and everything was much more liquid, things could flow a lot easier. Just like putting oil in water, these molten metals and minerals will tend to separate out due to their different densities. They then cool and solidify, and billions of years later humans find them in clusters. ...
How is blowing on food supposed to cool it down?	[ "The technical term is \"forced convection.\" Basically, you are pushing comparatively cool air over your food, absorbing some of its heat. The warmed air is continuously being pushed away by cooler air, so the process can continue. This cools it down much faster than just leaving it alone (\"free convection\")....
Why are 99% of ads which are supposed to be funny so unfunny? Surely multi-billion dollar companies could afford comedic ad writers?	[ "They get group tested to hell and back, scrutinized backwards and forwards to eliminate any possible offense, to fit specific demographics, to fit in allotted time,etc. \n\nSmall companies generally do better at this, as they just go with the initial idea (saw a Bigfoot themed ad for a mattress protector that was ...
How Google can make so much money of ads and how they have more money than the brands they advertise combined	[ "The awesome thing about advertising with google is that you can target your ads so precisely. Let's say I google: Chocolate Protein. Ok, there are probably HUNDREDS of companies that sell protein. Maybe only a few of them advertise with google. Google will give me every result for chocolate protein ON THE INTE...
How can rockstars like Keith Richards and Ozzy Osbourne do so many hard drugs and consume so much alcohol over their lifetimes, yet still live into old age?	[ "You have picked two people who are MASSIVE statistical outliers. Even science is fairly confused by their survival. I believe they were studying Mr. Richards to understand how he's still breathing.", "Scientists have sequenced Ozzy's genes, and it turns out that he's liver produces radically more of an enzyme ...
How are humans the only species to have a higher consciousness?	[ "You are assuming a lot of things about consciousness . First by saying \"higher\" you assume that it's not binary. Secondly you assume that other animals isn't as conscious as you, even though I'm pretty sure a cat is more \"present\" than you, and I think a cat have a larger understanding of the \"now\" than peop...
Why do certain chicken eggs come out different colors (white, brown, turquoise, etc)?	[ "\"Having a mixed flock of different coloured eggers is wonderful. Most eggs are white, the addition of browns is from a layer of porphyrin, which is from broken down hemoglobin/blood and applied as a 'paint' during the last few hours of laying. Brownyness is controlled by over a dozen genes so you often get a lot ...
How does Germany not have a crazy high rate of alcoholism and related crime when it has relaxed liquor laws?	[ "People who are happy and secure generally don't drink to excess, or when they do, don't commit crimes. Germany has a strong economy, a strong social safety net, widely available substance abuse treatment, and a rather effective police and judiciary.\n\nAs various attempts at alcohol prohibition worldwide have prov...

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