Split (3)

train · 273k rows

title stringlengths 0 299	text list
When you look in a mirror why is left and right reversed, but not up and down?	[ "It isn't left-right reversed. It is front-back reversed.\n\nIt seems like left and right flip because in order for you to normally turn yourself around, you rotate to one side or the other 180 degrees.\n\nIf you were a being that normally faced the other direction by rolling yourself forward or backward 180 degr...
If i cut a human in half using a sword at the speed of light will i kill him instantly?	[ "[Everything within roughly a mile of you and your target would be leveled, and a firestorm would engulf the surrounding area. Where you stood would now be a sizable crater.](_URL_0_)", "Since matter can't accelerate to the speed of light, let's assume the sword's just moving very close to that speed. Then the m...
Why are men better spacial thinkers?	[ "Hunting and warring require spacial thinking more than raising children and collecting berries." ]
Why do cops always get paid administrative leave after abusing their power instead of being fired?	[ "Paid administrative leave isn't their punishment. It's just a tool to allow an investigation to commence without them potentially interfering in that investigation, or even possibly making things worse for themselves or for the organization by their continued actions. It's basically, \"Stay out of the way until ...
Why does my voice sound different (and awful) when it's recorded and I hear it replayed?	[ "When you normally hear your own voice you are hearing two distinct things. First, you hear the normal sound waves coming through the air, into your ear just like everyone else. Second, you are hearing the bone conduction. This is the vibration that your voice causes in your bones that gets transferred to your inne...
How can entropy be reversed?	[ "The traditional answer is [\"There is insufficient data for a meaningful answer.\"](_URL_1_)\n\nHowever, simply put: at this point it does not appear to be something we can do universally. Entropy is simply the universe's tendency to \"settle out\" with time; everything gradually settles into low-energy states ...
Why does the tap water at another persons house taste different than the water in your own house, even though it comes from the same source?	[ "Not always, maybe from different wells, or different water treatment plants. Maybe different type of plumbing in their house.\n\nPEX vs copper pipes?" ]
Why Does Adding CO2 To Water Change Its Taste?	[ "When CO2 dissolves in water, part of it actually undergoes an acid-base reaction with the water. That reaction creates a small amount of carbonic acid (H2CO3). Being an acid, it makes the water taste mildly sour. The taste also can vary depending on the origin of the water as well as the process of carbonation.", ...
How do writing credits work on TV shows?	[ "It's the main people in the making of the show that get the \"big credits\" so the staring actors, director, editor, producer etc. \n\nAnyone else is just seen as regular crew members and easily be replaced, it's these bigger names that make the show what it is." ]
when someone finds treasure, do they get to keep it?	[ "It's a big, fat it depends.\n\nTypically if you find something, you have an obligation to try to return it to its owner. Only after you do that and wait long enough does the property become legally yours.\n\nHowever, there are laws governing salvage and abandoned property that apply. If I go through the effort t...
How much damage does a beer, or 2, or 3, etc do to your physical health?	[ "In moderation? Unless you have an alcohol triggered medical issue it's gonna do damn near nil to your overall health.", "That's not how it works. Beer can play a part in an ideal, healthy and balanced diet.", "None.\n\nBeer, along with many substances, does slight \"damage\" to the liver as part of the normal...
Why isn't there any war on japan. Are they simply peaceful?	[ "There are still attacks on Japan. In 1997, there was a terrorist attack on the Tokyo subway, which used Sarin Gas. The gas is a deadly nerve agent (a chemical that damages the nervous system), and is manufactured only for use as a chemical weapon. Also, Japan, after the end of World War II, became a new country, w...
In very remote places (e.g. 50km from your nearest neighbor, 2 hour drive to the nearest small village) in places like Canada, Scandinavia, Alaska, etc, what jobs do people do to sustain themselves?	[ "In Australia they are generally cattle stations, large areas of grazing country breeding cattle for export. In dry areas, there can easily be 50 km between station homesteads.", "It's not really possible to live in total isolation in northern Canada. You would need to go to town often for supplies and food.\n\nT...
Where did "Lets dispel with this notion once and for all that 'x' doesn't know what he's doing. He knows exactly what he's doing." come from?	[ "From a Republican primary debate where Marco Rubio repeated the sentence four times, almost unaltered." ]
Why are the tips of our fingernails white?	[ "I'm sure you've heard about [tape over frosted glass](_URL_0_) trick right? Your nail is actually rough on the underside, especially with bits of dead skin still attached. The part of your nail that didn't grow out is firmly \"adhered\" to the nailbed so it appears translucent because the hydration provided by the...
how do blind people know where to find the little Braille signs?	[ "They don't know where to find them, they just check the most obvious locations, you may notice that the signs are at natural level in a natural location and not hidden.", "Aside from the answer already given, Braille is also a dying language. With the rise of screen readers (computers that read out loud every th...
How the "Mass Effect" concept works	[ "It's a made up hand-wavey sci-fi excuse to not think too hard about how your video game spaceship gets from place to place.\n\nThere is no scientific explanation.", "> is this correct?\n\nThat is the in-universe explanation of this fictional concept, yes. It's also stated as being something used for all sort o...
What did Aristotle mean when he said man was a "political animal"?	[ "Aristotle constructs man as a fundamentally political animal as opposed to other philosophers like Hobbes or Locke who construct man as individuals who just happen to enter into a society for individual benefit. Aristotle was a realist, and since the only men who exist purely alone were either \"beasts or gods\", ...
Why was Muammar Gaddafi such a bad person?	[ "Mostly the standard dictator spiel - took power in a coup (albiet overthrowing a monarch rather than a democracy), ruled undemocratically, suppressed any opposition. He distinguished himself by his particular attention to cultivating his cult of personality.\n\nHe was a particular villain in the West because he id...
Why does cancer cause so much pain, and which types are the most painful?	[ "My guess would be Liver or Kidney cancer would be the most painful do to the fact that you could not take pain meds. If the meds dont get filtered out correctly they can not be proscribed." ]
With what technology do scientists find new planets and explore deep space?	[ "We are not actually observing the planets themselves, they are too far away for our telescopes.\n\nWhat we are observing is how bright the stars are. If a star gets dimmer every now and then, at the same interval, again and again and again, then obviously something is passing in front of it at regular intervals." ...
How are traffic light timings decided? Is there a kind of formula for determining timings?	[ "The short answer is yes. For individual signals or small networks, the timing can be figured by hand, but for larger networks, civil/traffic engineers use models and even purpose built computer software to link every light in a massive network together to try to prevent jams and keep traffic flowing. Contrary to w...
things that glow in the dark	[ "First, let's think of [Newton's cradle](_URL_2_), consisting entirely of two balls. One ball falls, transfer that energy to a second ball, which rises. It eventually falls too, and transfer that energy back to the first ball. The key concept here is that energy is conserved.\n\nWhat happens when you shine light on...
Why does plastic get hot when you bend it really fast?	[ "Essentially: Hot means heat. Heat is energy. The energy comes from forcing mechanical energy (bending it) into the plastic itself." ]
How is it that something physical happens in your dream and then you wake up and can still feel the sensation?	[ "You don't ever directly experience sensation (the activation of the nerves in your hand, in this case), you only experience perception — the mental state caused by sensation. But the brain can also generate false perceptions. That is, it can experience mental states usually experienced in response to sensation...
Site security certificates	[ "It's probably not your tablet. If it's happening on every site that's https, it means your clock is probably wrong. If it's happening on only some sites, it probably means your Internet connection is messed up.\n\nYour tablet came with a list of authorities that it trusts. You can mess with it, but the default set...
Avogadro's number	[ "## What does it do? \n\nSuppose you want about one million individual grains of rice. Counting them would be silly. So what do you do? You figure out how much a million grains of rice would weight! Then, you just pour on sacks of rice until your measuring scale shows the correct weight.\n\nNow, suppose you wante...
On a given construction site, why are there usually 4 people standing around doing nothing or watching someone work, for every 1 person actually working?	[ "The people that you see standing around doing nothing on a site 'doing nothing' are all working. Let's pretend that the crew is fixing an underground pipe, and name the crew members and their jobs.\n\nNormally a survey crew marks out where the pipeline is, and where other utilities should be. \n\n Now for the wor...
Redditors, what's the difference of Best, Top, and Hot?	[ "\"Top\" has the most up votes.\n\n\"Best\" takes into account the ratio of up to down votes, how quickly they get the votes, etc.\n\n\"Hot\" are those which are getting votes and responses regardless of if it is highly voted overall. \"Hot\" would tend to include highly controversial comments which the former opti...
How do they plan and simulate fireworks?	[ "I can speak to how it's done by professional display companies. Specialized software such as [Finale](_URL_0_) allows you to set your firing positions or create a rendering of the structure you're shooting from. The software has a wide variety of preloaded fireworks and effects, and you can basically drag-and-drop...
What would happen immediately if i were to hold something that was incredibly radioactive	[ "You'd end up like this guy: _URL_0_\n\n > Over the next nine days Slotin suffered an \"agonizing sequence of radiation-induced traumas\" including severe diarrhea, reduced urine output, swollen hands, erythema, \"massive blisters on his hands and forearms\", intestinal paralysis, gangrene and ultimately \"a total ...
Scientific Theory vs. layman's idea of theory.	[ "Scientific concept of a theory: \"Based on our testing and observations we believe this is the way things generally work.\"\n\nLayman's concept of a theory: \"All that science and you guys only have a guess?\"", "* Scientific Theory: An idea supported by a great base of corroborating evidence. This is because ...
Is there any way to solve a cubic equation in the same way you can solve a quadratic equation using the quadratic formula? Basically, is there any 1 formula that can solve a cubic equation.	[ "There is a [general cubic formula](_URL_0_), it's just difficult to memorize.", "In case anyone's wondering: there is also a general [quartic](_URL_3_) (x^4 ) formula, which runs to a couple of pages of math and has an interesting history of [academic theft](_URL_3_). [There is no](_URL_3_) general quintic (x^5...
What is the strange tingly feeling I get when I consciously relax or 'reverse-flex' my legs?	[ "I can also do this but have never been able to describe it and thought I was alone. I can seem to do it with my entire body." ]
What keeps other countries from "bringing the war" to US soil?	[ "\"Force projection\", or being able to attack targets a long way from your own country, is not easy.\n\nIf you want to attack by air military aircraft don't tend to have very long range, especially fighters. The options are to have a conveniently located airbase, have an aircraft carrier, or run a complicated air-...
why is it that destroying things makes me feel better when I'm angry?	[ "When you build up anxiety and anger, adrenaline is released. \n\nAdrenaline causes a \"fight-or-flight\" response in your body. This is a mechanism that usually requires intense muscular effort. This is rooted for survival: for example - if you were being chased by a bear, your body will release adrenalin. Your ...
The differences between cow's milk, soy milk, and almond milk.	[ "Well almond milk is blended almonds in water and soy milk is blended soy beans in water. \n\nI'm not too familiar with cow's milk but I assume it is blended cow and water", "Milk: Liquid extracted from the teets of cow\n\nSoy Milk: Soy beans mixed with water and ground in a blender in to a very fine mixture, the...
Why can't you drink rainfall?	[ "Living as I do in the rural western U.S., I was initially astonished at your question. For people going \"off-grid\" in my region, collecting rainwater in cisterns, for household use and not just gardening, can be a viable choice, and I know plenty of people who do it.\n\nSo, I'll have to answer your question with...
Why do some movies and games come out later in certain parts of the world than others?	[ "If you're talking about theatrical releases, sometimes, even if theater owners are pretty sure a movie is going to be a hit, they like to wait until it is in fact a hit so they can use it in their advertising: \"The Number 1 movie in America\" etc. It also helps to build up buzz.\n\nThis is why there used to be \"...
Why does turning the batteries (in a remote control for instance) provide a little bit more energy?	[ "The battery contacts get corroded by a thin film of oxide, and moving the battery scrapes the oxide clear or moves to a spot with less oxide.", "It doesnt add more energy. The voltage of the batteries begins to sag both under load and when being depleted. Once the voltage drops to a certain point, the device is ...
We can see an ant. If there were some giant, big enough that made us look like ants compared to it, that giant couldn't see the ants we see. Is there anything that ants can see that we can't?	[ "The giant probably could see the ants if it bent over, if the eyes are of similar construction they should have similar resolution.\n\nA human eye scaled down to ant size wouldn't have greater resolution, that's limited by the number of photoreceptor cells and how well the eyes focuses.\n\nAnts themselves have fai...
why is a tomato considered a fruit?	[ "Any plant that has seeds is a fruit. “Vegetable” is strictly a culinary term, to distinguish sweet fruits like cherries from savory fruits like tomatoes." ]
why are are Americans so precious over their right to bear arms?	[ "American here. I don't own a gun, but in this world, I plan to eventually get a handgun for self defense.\n\nHere's something about Americans. We hate getting shit taken from us. Why did we secede from the British Empire in the late 1700s? Because they took our money and resources and didn't give us adequate rep...
Why isn't Latin spoken anymore?	[ "This is covered in detail in [this thread](_URL_0_) from /r/AskHistorians. [This answer](_URL_0_c84utax) by /u/dangerbird2 is accurate and yet simple enough for ELI5:\n\n > It is important to recognize that for most of its history, the Latin language existed in two primary registers, the Classical Latin used in R...
Why does a hovering helicopter rotate with the Earth?	[ "When starting off on the ground the helicopter already has inertia, going around the center of the Earth. After lifting off, that inertia can't magically go away since that's a violation of conservation of momentum. \n\nThis is also true with rockets. NASA prefers to launch rockets in the direction of the plane...
Why do Television News Programs get locations completely wrong on maps so often?	[ "In the past you had a newspaper once per day. The journalists supplied the stories, editors checked them for editorial issues, content checkers (that's a job, not some feature of your word processor) would fact check them and when the newspaper went to the printer it was checked and double checked.\n\nThen some pe...
how does sound travel on the ISS	[ "The air inside the ISS (the medium through which sound inside travels through) is travelling right along with them and isn't accelerating. It's no different from how you're able to talk normally on a plane despite going ~2/3 the speed of sound. Or why when you toss a ball up in a vehicle it doesn't fly to the back...
How come a lot of styles 50 or so years ago dated very well, yet a lot of styles from only 20 or 30 years ago seem to have aged horribly?	[ "Actually, that seems to be the standard cycle. From my experience.\n\nIn the 70s retro-style/fashion from the 30s was \"in\".\nToday, it's from the 60s. \n\nIn the 70s and 80s, 60s style/fashion just looked ridiculous.\n\nGive it 20 or 30 years, and we'll be reliving the 90s. Get your flannel shirts ready!" ]
How did the Soviets make their submarines quieter than American submarines?	[ "Perhaps I'm missing something, but Soviet subs were pretty much always noisier than US ones if you compare like with like. The latest Red Navy ones were usually about as stealthy as the previous generation of USN boats. Unless you're comparing diesel electric subs with nuclear ones, which isn't really a valid co...
USA involvment in Syria/Turkey/Russia	[ "Turkey is part of NATO, which US is also part of. Russia, supports Assad in Syria. Somewhere in between Syria and Turkey there are some rebels that might be part of ISIS(Its actually more complicated as far as i know there are 6 different fractions fighting). Russia help Syria, and Turkey doesnt like it, and since...
The difference between RAM and hard drive memory.	[ "The hard drive isn't memory, it's storage. So, if we use the analogy of a computer as an office: the hard drive is the filing cabinet. The operating system is the secretary. The desktop is the memory and the person reading and modifying the files that come across his desk is the processor (CPU). \n\nSo the s...
Why can i vividly remember something from 10 years ago but cant remember what I ate a week ago?	[ "Our brain has two places where memories are stored - one is temporary and another is permanent. So everyday things like the food you eat, dress you wear,etc. are stored in the temporary compartment. Other things that happen during the day - like you getting your first car,etc. too are stored in this unit. When you...
Why do objects turn bright red when very hot?	[ "All objects emit some radiation, as objects get hotter, the frequency of the radiation gets higher. Objects that are around room temperature emit radiation that has a lower frequency than we can see. As the objects get hotter, the frequency goes up until we can see it as red, then yellow, all the way up to blue. \...
How is it that approaching rain has a smell? What is it that we're smelling an hour before a storm arrives?	[ "My old organic chemistry professor explained the smell of rain coming in class once. It's also on his [website](_URL_0_): \n\n > People often think that they can smell rain coming before it actually starts to rain. Strange, as we would be in rough shape if we actually could smell water as it makes up most of our b...
How does a person that never drinks untreated water not become ill after swimming in a lake or ocean?	[ "You are absolutely right to think that we ought to pick up diseases. The reason we don't is because the authorities go to great lengths to ensure that the water we swim in is kept relatively free of nasty stuff.\n\nIt's [not recommended](_URL_0_) to swim in water which is not properly managed and monitored.", "Y...
What is so appealing about Doctor Who?	[ "I hated the first couple random episodes I watched. Totally didn't get it or the people who like it. \n\nYet now I'm a great fan. I got sucked into that universe immediately after watching the 2005 first episode with Rose and the ninth doctor. It may have been a more accessible entry point because the doctor, the ...
Why does some tap water have so many small air bubbles that it looks like its actually white?	[ "I think OP asks the milky white type of water that takes some time to clear up.\n\n\nThat's caused by the pressure in the main pipes. Water needs pressure so it can travel from the reservoir to your home. Increasing pressure makes air more soluble and it mixes in easily. Once it is near your faucet, the water lose...
Why does Kim Jung Un wear a western suit?	[ "They don't really see suits as \"innately western,\" they also use architecture designs from the west and even the Android operating system (though heavily modified). Because it works fine.\n\nThere's also evidence he himself isn't anti-west, seeing as how he went to school in Switzerland, loves US basketball to t...
3D that doesn't require glasses, like the Nintendo 3DS	[ "It works because the LCD screen on a 3DS is not your conventional LCD. It uses a technique that basically splits the images sent to each eye based on the angle the eye is to the display. You know those funky strips that changes the picture when you move it? (also super fun to scratch and make those sounds) It's a ...
What is the difference between momentum and inertia?	[ "Inertia is an objects resistance to changes in motion. For instance, a heavier object is harder to push around so it has more inertia. Inertia does not change with speed (unless you consider einstein's theories, which can be ignored in daily life) so a certain object always has the same amount of inertia, which me...
Why are mobile games so shallow and bad compared to even the much older PC/console games?	[ "How many of those old console and pc games were free?\n\nMobile games generally are simply thinly veiled skinner boxes. Get you hooked on shallow expectation-reward cycle and tease you with micro transactions. There is no incentive to make them GOOD, no incentive to make them a story based game to play for hours...
How was google earth created/made, and how how did google complete it so quickly?	[ "It was funded by the CIA and made using satellite imagery, aerial photography and GIS, or geographic information systems. This project had access to all the images already taken and just compiled them into a single globe. Also if you are asking about street view, Google is an international company and has street v...
Why do our tastes change over time?	[ "Very likely our tastes change for the same reason everything else about us changes: We grow, we have new experiences, we learn new things. Most of the cells in our bodies are less than seven years old, and our brains rewire pathways every time you learn something new or have an emotional experience. So there is ...
Why is calling Obama a socialist considered an insult? What's so wrong about that type of government anyways?	[ "During the Cold War, the \"enemy\" of the United States (as well as most of the wealthy world) were all self-proclaimed socialist nations (The USSR and China being the largest). The word \"socialism\" has come to represent all the things US Americans prefer about their way of life to that of those countries: freed...
What happens to a spider after it gets sucked up the vacuum cleaner?	[ "Already answered this one, then you deleted and posted again? Original answer:\"Suffocation in the dust I suppose but if it survives the thrill ride of the vacuum hose then I would guess a death by starvation.\"" ]
Why do I get irritable when I'm hungry?	[ "Because the animal inside you activates and you engage in \"Predator\" mode, doing everything in order to secure food and guarantee the survival of your species.", "Low blood sugar. Your body has burned through the glucose it has on store and one of the side effects of [hypoglycemia](_URL_0_) is irritability.", ...
Why do we squint to focus on things far away?	[ "Our vision basically comes from light passing through the pupil and focusing on the retina, which is the back of the eye. So when you squint, you are changing the shape of your eye and decreasing the amount of light that will enter your pupil. The limited amount of rays make it more likely that they will become mo...
How death works and why it can"t be undone	[ "ICU doctor here. \n\nTrue death is when the brain is dead. When we test for death, we are looking for brain activity. The ability to cough, gag, breath, etc. When there is a question if somebody is dead, we do a perfusion scan that checks to see if the brain is receiving blood. True death or brain death cannot be ...
Why deep 'cones/holes' are created in the centre of a whirlpool	[ "While the other comment makes sense I think this is more ELI5.\n\nRemember the centripetal force from highschool physics? The rotation of the water causes the water to want to move more to the outside, causing a water deficit in the center. \n\nYou probably remember from highschool that in order to keep something ...
How come people might stutter when they talk, but you don't stutter when you sing a song?	[ "Music therapist here. It's the same reason why people with traumatic brain injuries who loose all ability to speak can sometimes still sing. \n\nThe speech center of the brain is located in a very small part of the left hemisphere. When we are speaking, that part of the brain lights up. But music is associated wit...
Why do Crypto-currencies need to be 'mined'. Why can't they just be created in a certain amount and then bought and sold at a set rate?	[ "The \"mining\" is really running the brains of the encryption itself. Without miners, their is no computing power to protect the currency or make it work.\n\nThat really was the novelty of bitcoin. An independent economy where helping the currency run paid you in the currency itself.", "The don't need to be mine...
How is a single-machine software license recognized when it's being used on that machine? Is it registry-tied or IP-address-tied?	[ "It depends. You can do it to Windows key or a GUID which is a bit more complex. You can tie it to an IP address, but that's generally not a good idea because IP addresses are not necessarily fixed.\n\nIts better to tie it to physical attributes. This is called hardware binding. For example, your MAC address can't ...
If someone was brought up without being told about sex, would they still know what to do?	[ "Everyone else failed to consider that all the teenagers getting pregnant today are also exposed to huge amounts of sex in the media and their daily lives. If a straight male and female were completely isolated from any mention of sex, then they were introduced to to each other after puberty, it would take some tri...
Why do windshield wipers push the water to the drivers side?	[ "The wiper is vertical when it reaches the driver's side, getting more water off than the passenger side.", "They do this so that the driver's side gets cleared better. It sounds weird, but it's true.\n\nThe wipers don't clear the whole windshield, just an arc across it. If you sit on the passenger side, water is...
Why can't we provide internet by using the same technology that broadcasts television shows?	[ "The TV setup has two BIG perks the internet doesn't.\n\n* It's a one-way connection.\n* The messages are being broadcast to no one in particular with little concern about privacy.\n\nYour internet is bi-directional AND intended to be a connection that's potentially private for just you. This results in a TON o...
How does molecular mechanics work?	[ "Molecular mechanics uses the fundamental forces of physics to describe physical properties of molecules and biological systems. \n\nThis field is usually used in conjection with computational chemistry techniques since the mathematical construct is complicated and tedious. \n\nIn my use of molecular mechanics I us...
how the reddit frontpage is determined	[ "Here's an attempt at a LI5 answer which says more than \"most upvotes in littlest time.\"\n\nImagine a racetrack for horses that goes on forever in one direction. The start of the track is labeled \"Jan 1, 1970 12:00am\" and there are equally spaced notches labeled \"Jan 1, 1970 12:01am\", \"Jan 1, 1970 12:02am\"...
Explain how full immersion while living in another country is the fastest way to learn another language?	[ "That's how you learned English and you were fluent in a few years.", "You pick it up as you go. You have to. I went to a Spanish immersion school K-2nd and by the end of second grade I was fluent in Spanish. The teachers would talk to you in Spanish and expect you to understand. It seems daunting at first but I ...
How do fossils of an action or event get made?	[ "It's fossilized sap. It's basically tree blood, and it flows pretty quickly, and in some cases is almost like water. The insects drown in the stuff while fighting, and the sap hardens over the years.\n\nThis might be morbid for a 5 year old, but it would be like having a bunch of concrete dumped on you. The concre...
Why is it that you sometimes get the sensation of falling when you're about to fall asleep?	[ "That is a phenomenon called the \"[Hypnic Jerk,](_URL_0_)\" and it's very common. Scientists don't really know the cause but it may be attributed to anxiety, caffeine or stress. (I know I get it more when I am overtired). They also happen after you fall asleep, but you don't notice it. As you grow older, they beco...
Why is Russia's cyberattack against the White House not a bigger story?	[ "The scope of the breach was very limited. To our knowledge, it was limited to essentially the President's schedule and agenda. There was no classified information and the breach did not extend to more secured parts of the system.", "Because it happens all the time, but this time US administration needed a politi...
How are some physical traits able to skip through a generation?	[ "You have two copies of each gene, one set from your father, one from your mother. Each copy is called an _allele_. Alleles can be recessive or dominant. If you have one dominant allele from one parent and one recessive from the other, the dominant allele will be expressed. Only if you have two recessive alleles wi...
Why the LAPD cooperated so much with OJ during his chase?	[ "In a fantasy world, we'd imagine that LAPD would call the local military base, and have a fighter plane or attack helicopter fly out and disable the bronco with a missile, bomb or some gun. Maybe have a sniper ahead on the road, shoot the driver or engine block with a large bullet. Maybe have an officer in an armo...
Why does it cost money to get a domain? And why does the price change for every company and domain ending I use?	[ "The registry fee the ISPs pay is small yet many are greedy and figure most people are stupid or desperate to get the name they want so charge lots more for it." ]
Why do big computers have fans but little ones don't?	[ "A fan in phone would make it too fat. So it uses a heat sink instead. When it reaches maximum temp it then bottlenecks itself til working temps ate resumed..", "It's not only a matter of passive (heat sink) or active(fan) cooling. It is also a matter of architecture. The ARM arch, like phones or small computer (...
Why do military and police forces often side with the corrupt governments when the people rise up against oppression?	[ "Here's the thing:\n\nThe government pays their bills. It provides a certain quality of life that is, more or less, guaranteed. Everything is set in place, there are people to handle the ins-and-outs of governing, etc.\n\nPost-rebellion, none of those things exist right away. It takes time for everything to stabi...
Why do foods that are bad for you taste better than things that are healthy?	[ "We've evolved to feel rewarded for certain chemicals and compounds because they are vital for our survival. However, in modern society, we can get them in abundance. Our bodies haven't evolved a way to say 'hey wait, that's way too much of a good thing.' So we over-consume and the excess has deleterious effects on...
How does a company such as hooters get away with hiring only large-breasted waitresses? How is this not an ongoing discrimination lawsuit?	[ "In employment discrimination law in the United States, employers are generally allowed to consider characteristics that would otherwise be discriminatory if they are bona fide occupational qualifications (BFOQ).\n\n\nFemale employees are required to sign that they \"acknowledge and affirm\" the following:\n\n\nMy ...
what is the alternative to a two-party system?	[ "A multi-party system.\n\nFor an example, look at Canada.\n\nWe have several parties, in fact as long as you are willing to pay for it, you can start your own party based on any political belief. We have the Conservatice party, the Liberal Party, the Blocques de Quebecquois, New Democratic Party (NDP), Green Party,...
Why do I (and others) talk to themselves?	[ "Conversing with one's self has long been a common practice amongst humans. It puts our minds at ease when things like taxes, bills, work and life's other discrepancies get us down. Often times, we like to converse with ourselves in order to play out a scenario in our head before an event whether it be huge or insi...
Why is it after all my ex has put me through, one conversation can undo a ton of work I've made in getting over them?	[ "I cannot emphasize this enough: The human brain is basically six pounds of fatty Jello. The fact that it is sometimes capable of mathematics and rhetoric does not make it rationally designed; natural selection favors survival and reproduction over logic and happiness.\n\nBio: Strong pair bonding makes sense for an...
Why does my stereo measure volume starting in the negative decibels?	[ "\"Decibel\" or dB isn't a unit of _URL_0_'s a way of measuring things with large ranges relative to some arbitrary value. dBFS is the measurement for digital signals, and 0dB is the maximum. dB V is the measurement for analog voltages, dB SPL is the measurement for sound pressure level in air. All are different an...
How does Apple know whether or not a charging cable is "certified"?	[ "There s a chip inside the lightning cable that tells the phone that its a legitimate chip approved by apple, if the phone doesn't see this, then its not legit. Yes it can be hacked, thats how some knockoff cables from China were introduced." ]
How come it's harder for countries in South America and Africa to modernize as compared North American, European, and Asian countries?	[ "South America wasn't founded on wanting freedom, it was colonized to extract resources and enrich its colonizers. \n\nThen there's foreign interventions in South America. Here's a [map](_URL_0_) of US interventions. \n\nThen there's home-grown problems like class divisions." ]
Why are most popular websites created by Americans?	[ "English, plus the largest portion of internet traffic is American, so anyone who can appeal to the American market will find it easier to make a popular website.", "In Asia, most countries have either limitations on internet usage/content, (ie China, S. Korea) or the internet is not widely used enough to encoura...
Is there a reason why my leg bounces all the time when I'm sitting down, and I hardly ever notice?	[ "Its a way your body copes with blood pooling in your lower extremities owing to gravity. As you are involuntarily shaking your leg, the major veins that are embedded in your leg are being squeezed by the surrounding musculature and this facilitates blood to flow upwards.", "The ball on the bottom of your foot i...
How does outside/fast lane of a motorway get congested to the point traffic is at a standstill?	[ "The scene.\n\nNobody wants to drive in the slow lanes because they're full of lorries (UK here)so they're traveling at 60. So the next lane in gets full of cars doing just a bit more than the lorries maybe 65 to 70. So you've only got the fast lane to overtake in.\n\nCar doing 70 overtakes long line of cars in the...
When people drink alcohol, cravings for and use of cigarettes is increased greatly. Is there a scientific basis for this, or is it purely habitual?	[ "Alcohol is a depressent, nicotine is a stimulant, the two go very well together. \n\nAlcohol also lowers inhibition and impairs judgement, meaning you are more likely to give into a craving, and less likely to care about the implications of doing so (stinky breath, cancer, ugly looks from non smokers). \n\nMixing ...
Why do wheels (noticed in car tires) seem to be moving backwards when they're rotating really quickly?	[ "Repost removed. Please remember to search before posting. [I did this one for you.](_URL_0_)" ]
Why is Disney allowed to purchase Fox Entertainment?	[ "It has not been approved yet. It was just announced today. You can always announce it, it does not mean it will get approved. Actual approval (and if approved, and under what conditions the approval requires) likely wont be settled for 1-2 years from now\n\nAT & T-Time Warner is currently not approved either, and ...

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