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why do people's accents seem to disappear when they sing? | BA in linguistics here. I believe it is for a couple reasons. Reason number one being that you simply don't hear it as much. The differentiators in accents are in things like "r" sounds and vowel sounds, and when you hold these sounds out in a long way like you're singing, they sort of morph into a more universal pronu... |
why do snipers (in movies anyway) work with another guy with binoculars? Do they do this in actual combat? | They're called a spotter and they identity targets for the sniper. And yes, many snipers work in pairs, with one spotting and one shooting. |
How do programs or files get "deleted" from a hardrive? Where do they go? | ##What is a File System? Imagine your computer as a recipe book. It contains sections, such as "*Cakes* |
What is exactly happening in a person body whey they overdose? | It depends on the drug. Every substance has what they call an "LD50" that is the dosage that will result in the deaths of 50% of the subjects. LD50 = Lethal Dose 50% So without asking about a specific substance, we can't really tell you what's happeningThat depends greatly on **WHAT** they have overdosed on. Opioid ove... |
I've seen HDR photography, audio playback, rendering, etc, but not HDR microphones. Why is that? | HDR photography typically mixes more than one photo to get the effect. Essentially it's because technology has trouble recording images or sound to the same quality that human eyes or ears work to. There's also a brain making sense of it all and that is replaced with photo editibg techniques or sound mixing techniques ... |
In apps like whatsapp and facebook where it shows when the user was "last seen", how is this determined? | Bot removed my comment : store a LOT of data, including what was the last time you opened the app, close the app, where did you click etc. Therefore the 'last seen' is the time you last used the app or exited the app Hope this is enough? |
The difference between a generalization and a stereotype | I 'd say stereotypes are generalizations, but not all generalizations are stereotypes. A generalization could be pretty neutral, just an oversimplification, like: "Cartoon movies are all G rated". A stereotype, generally , has a negative connotation. So, "Black people are good at basketball" would be a stereotype. |
Why do my cheeks hurt from smiling? | Overuse of any muscle can lead to fatigue and pain. Running for example may lead to pain in the legs etc. Your face has muscles in it required for smiling, if they get used a lot the same principles apply with them as for any muscleBecause in order to smile you need to use muscles in your cheeks. Those muscles contract... |
Why is Apple allowed to bundle iTunes with iOS and restrict competing products, while Microsoft couldn't do the same with IE with Windows? | Apple does not control almost all of the market, so bundling iTunes and restricting competing products will not prevent competing products from being successful. |
Why is it easier to 'pop' your knuckles the more you do it? | You probably are just better at the technique after practice. There is currently no evidence that cracking your knuckles causes any physiologic change. Edit: correction, actually chronic knuckle cracking has been shown to be associated with hand swelling and decreased grip strength. The evidence also shows no associati... |
How do buying domain names work? | Godaddy or Hostgator get the domains from the registry, which for .com domains is VeriSign but there a bunch of different registries handling thousands of domain extensions. The registries in turn get their authority from IANA, who are the group that oversees everything. Nothing stops you from selling domain names exce... |
Why are people scared of the dark? | It's natural. Humans rely primarily on their sense of sight. When it is dark, we can't see potential predators. |
Why do employers bargain collectively for and subsidize health insurance but not other big items like auto insurance, auto loan, and mortgage? | During WW2, the American government instituted wage and price controls as a preemptive measure to keep inflation down. So businesses that wanted to hire the best people couldn't offer more money than their competitors. But they *could* pay for your healthcare, and it was a pretty sweet deal for both parties - the emplo... |
How is Coca-Cola's recipe still a secret? | Nobody who knows it has disclosed it. And nobody who *doesn't* know it is particularly motivated to try to find out what it is. It's just fizzy sugar water, after all, not the polio vaccine.There was an incident where 3 coco cola employees tried selling the recipe to Pepsi but Pepsi called policeCoke kept it as a trade... |
Why do men go bald more often then women? | Baldness is caused by something called DHT . It is a byproduct of testosterone. It causes finer hair and a receding hairline. Because men have more testosterone, they have more DHT. Some men are more susceptible to DHT which is why they get male pattern baldnessDNA, the blueprint for your body, comes from your parents.... |
Why very cold (liquid) beer, turns to slush as soon as it's opened. | If it's carbonated, then releasing the pressure causes the gas to expand - which drops the temperature suddenly, which freezes the liquid. It's also possible that the liquid may have been supercooled - that is, it's below its freezing point but unable to freeze because it can't find anywhere to get started. The sudden ... |
The camera effect where the scene freezes and the camera pans the scene. | IIRC, this technique was pioneered while filming The Matrix. They set up a lot of cameras — in a circle or arc around the subject. Then they all take a picture at exactly the same time. Ta-da! A moment frozen from multiple angles. Of course, there's some post-processing to clean things up afterwards — and the technique... |
How are white Monster Energy drinks 0 calories when it has 2 carbs per serving? | Erythritol. Sugar alcohols are carbohydrates, but erythritol has a caloric value of 0.2kcal/g which allows the Monsters to be labelled as sugar-free and 0 calorie.You can legally put 0 calories on your product of the amount is less than .5 or something like that. It's practically 0. |
When my bread goes moldy, where does the mold come from? | Mold is everywhere; in the air, in the bread, on every surface, on and even inside your body.It literally comes out of thin air. Spores are virtually everywhere! In fact, we probably wouldn't have beer today if that wasn't the case. Beer fermented with yeast was probably not a deliberate thing at first; the beer was si... |
Why do people put their hands on their head when something bad happens? | Just a theory, but it's likely derived from an instinct to protect our head/face when in danger. Another theory, it may be a learned form of non-verbal communication. It could be a way of signalling to others that there is a dangerous situation. This could explain why when a crowd sees something bad go down, not everyo... |
What happens with the relationship between large predators and their handlers? Why do those animals (mostly) cease seeing their human handler as food? | Predators don't necessarily just see 'all other things' as prey. In the case of large predators and handlers they're also tamed. They've been socialized to the presence of humans. They're certainly still dangerous animals, but they are accustomed to the fact that people are around, and potentially also have been traine... |
why does it seem so many gas and convenience stores (US) are owned by foreigners? | They probably mostly are. It's not something someone born here would strive for necessarily, whereas for foreigners it's an opportunity to make a pretty decent amount of money for themselves, while not really stepping on too many toes along the way. |
If a women receives donor blood from a man, isn't she technically 'on steroids' ? | Testosterone has a really short half life , so generally in the time it takes to collect and process the blood, testosterone has most likely been used up. Generally when collecting blood, we screen it for disease and abnormalities and then store it either as whole blood or plasma. Whole blood when your red blood cell c... |
Why we can “feel” it when someone/something comes within millimeters of touching us, but doesn’t actually touch us | In general you simply cannot feel those things. If that thing is a different temperature it is possible you could feel the warmth or chill imparted to the air. Or you might actually have thin hairs from your skin touch the object which you could then feel. But most likely what you are describing is an imagined ability ... |
What make a person gorgeous and why? Also, what makes a person ugly and why? | There are multiple articles and studies done on this, but basically it goes back to our survival instincts/days of early man. It wasn't about beauty, but a healthy partner who could reproduce the best possible child. So not too skinny or fat meant they were eating right, symmetry is a big thing- subconsciously, if they... |
How would unbundling Google Search from the rest of the Google services prevent Google from monopolying? | For the same reasons as Microsoft in the 90's. Microsoft was dominating computing, specifically OS, but got in trouble for their bundling because it effectively prevented any fair competition The search engine may be google's primary revenue source, but there's no justification to fear a monopoly there: they may be the... |
If the economist predicts a growth of 3% but it comes to be 4% in reality, was the economist off by 25% or 33%? | The prediction was off by 25% . Growth came in at 33% over prediction. So it depends on how you phrase itPretty sure it's 25% Formula for percent error is || / actual value ~~In this case the economist's estimate would serve as the experimental value,~~ so || / 4 = .25 edit: added absolute value bars for clarity. value... |
What on earth is WWE wrestling about | Hey uh you know all those movies and TV shows you watch? They're not real either. You still watch those despite knowing it's acting, don't you? |
Why does water and soap cause my shower to become a nasty, vile, putrid, black-mold infested cesspool of filth? | Because it's actually water, soap, dead skin cells, whatever you scraped off yourself, soap particles in hot soapy water flung everywhere which create scum, and bacteria. There's all sorts of nooks and crannies in a shower where the gunk accumulates and breeds. Clean often and in-depth! |
Where does the term Generation X Y Z come from and now that we are on Z is AA next? | Generation X was the generation after Baby Boomers. They were called that because "X" is the stereotypical unknown variable and, at the time, nobody really knew what they were going to be like. They grew up in a peaceful, prosperous time of American history without any major social strife. They were also significantly ... |
How can fruit be GM'd or selectively bred to have no pips (eg oranges) if they wont be able to reproduce? | They graft branches from the seedless variety onto pre existing root systems of non seedless varieties. fwiw, where are you from? Pips is not that common a term for seeds. |
Why do companies give away free stuff to new customers but I get bugger all as a loyal customer? | You said yourself you are a loyal customer. They've already got you! They're trying to create even more loyal customers like you via special promotions for new customers", 'Having people agree to a good deal when they first sign up is an example of a classic sales technique called [foot-in-the-door]: > Foot-in-the-door... |
What characteristics make a certain liquid/solid "flammable"? | Volatility, or the tendency of the substance to vaporize and form a gas. Liquid gasoline, for instance, is very hard to burn. However, the vapors coming off of the gas are easy to burn, because they have enough access to oxygen to easily complete the combustion reaction. As for solids, such as wood, the same principle ... |
Why do artists in older bands sound so different than artists today? | There is a thing called the Loudness Wars which is probably what you're noticing. Basically, old music was recorded more simply, but record labels found people like songs more if they 'sound louder' . So they started processing songs using a lot of Compression. Many people reckon this has destroyed music. [Here's] an a... |
What exactly causes the mirage of reflective water on the road? | On a sunny day, when the road gets much hotter than the air above it, a temperature gradient is established, which bends the light upward. What appears to be water is actually bent light looking at the skyThis is an awesome example of optical effects in physics. So the road is hot as hell and the heat causes the air ab... |
How is it possible that police in other countries can fire their weapons so few times a year? | For the most part in Great Britain police officers don't carry firearms. Turns out it's pretty easy to not fire something you don't have. |
How does Autonomous Sensory Meridian Response (ASMR) work/occur? | > Can anyone explain how this actually works from a physiological and psychological standpoint? Nope. The first step would be proving it actually exists, which hasn't really been done yet. |
How do sewer systems in tall buildings work? Does your crap free-fall all the way to street level? | Generally sewer systems in high rise buildings are designed to avoid 2 problems. 1. free-fall of waste, both to avoid ramming into to the pipe at the bottom of the fall, and to avoid increase in air pressure in the sewer line at the lower floors. Increased air pressure might cause sewer gases and water in the P traps o... |
How do we walk, and how does one become more graceful at it? | Hi, Here's a couple of tips that will help. You're going to want to rehearse these so that they can be locked into your neurology by the time the wedding comes around: 1. Imagine someone that you find REALLY sexy is waiting for you at the end of your walk. Really see them, hear, smell them, etc. Make this image real an... |
How asthma puffers work? | They contain a drug that forces all the tiny pathways in your lungs to open up. The misting just makes it easier to inhale and get where it needs to be quickly, rather than taking pill and waiting an hour for it to start working.Well, depending on the inhaler, it alleviates two major symptoms of an asthma episode, or a... |
How does exercise contribute to our overall well being? | Our bodies are designed for movement. We want to move; sit still long enough and you will start fidgeting or bouncing your leg, stretching, etc. We get rewarded for these things by easing our stress, tension, and even aches and pains. Working out feels good on several levels. ~ It releases endorphins which are your min... |
Green Screens vs. Blue Screens in film productions. | The idea behind both screens is that a program searches for the color that the screen is and replaces that color with computer imagery. If you wear green in front of a green screen, the program will see the green on your clothing and also put computer imagery where you are, which ruins the effect. The biggest differenc... |
What's the percentage breakpoint of salt in water where it doesn't hydrate you anymore? | It depends on how much salt you have. Generally though saline used in medicine is 0.9% salt by weight, so 9 grams of salt per litre. |
Why are you required to remove headphones for take off and landing on most flights? | Most emergencies happen during these periods, and the cabin crew want to be sure you will hear any emergency announcement that's made. And that you or your seatmate don't get tangled up in a cord if the plane must be evacuated. |
how missiles "work" | a rocket has a couple of parts, the first thing is proulsion - usually a solid fuel that burns up, pushing it out the back, and forcing the rocket to go forward. The next bit is the payload, which is high explosive, designed to detonate when it hits its target. finally, the computer, and sensors. So the computer decide... |
why do painkillers like percocet and vicodin contain a little bit of the painkiller and alot of acetaminophen | APAP kills pain in different ways than opiates & combining the two is far more effective than just taking the opiate alone. This means you can take a cocktail of the two and get better pain relief with lower cost/addiction potential. Another benefit - if you're concerned about law+order and preventing drug addiction/ab... |
Why did hitting electronics (like old T.Vs) temporarily "fix" them? | Sometime problems were caused by debris on the circuit or a relay sticking. Vibration might shake the problem free, restoring normal functionOld circuitry suffered badly from dry solder joints. This is where the solder holding components onto the circuit board does not conduct electricity and deems that part of the cir... |
Why is it OK to use the same utensil on raw chicken all the way through until it is cooked? | If you work with food then it's not. You have to have separate utensils for raw & cooked: and it's especially important with chicken. At home, using the same fork or something like that isn't really a big problem as it's not a big chance of bacteria being transferred in any significant quantity, and it'll be killed aga... |
How do Area 51/ other secret service workers get chosen? | You apply to work for the government. Your next job in the government requires a higher security clearance. So, your life is investigated by the government, and they decide to give you a clearance. Then your next job requires access to compartmentalized information. So, you get a more through investigation. Eventually ... |
How can phones make emergency calls without a SIM card, reception, etc...? | As stated already, you always need reception, there's no way around that. To explain the lack of SIM, you need only look at the meaning of the abbreviation: **S**ubscriber **I**dentity **M**odule. A SIM is not actually required to make a phone call, it's just required to identify you and associate your phone with an ac... |
How do I use Flashcards for studying? | topic name on one side, short description of topic on the other. So it could be an important name with a short explanation why the person, place, or thing is important. could be "member of the XXX cartel" with the members on the other side. Get creative, have fun. The point is to make a connection between the informati... |
Why does it feel less hot to slurp a hot drink like tea or coffee than it does to drink it like you would take a sip of water? | When you slurp a hot drink, you are pulling the drink into your mouth along w/ air which cools the drink as it mixes. When you sip it like water, you are sipping into a closed mouth where there isn't as much air to mix and cool it down. You'll also find that some people slurp when they drink wine in order to aerate it ... |
Why and what are puppy mills and why are they bad? Why don't "ethical" breeders sell to pet stores? | A puppy mill is a place that just breeds dogs round the clock and pumps out as many puppies as they can. The dogs likely won't get much attention or be able to play, run around etc its literally a puppy factory. Pet stores will buy from normal ethical breeders, but sometimes they might not realize that they are buying ... |
How are movie companies able to get entire roads/highways/places shut down in order to film? If I payed enough money, could I shut down highways? | In theory? Sure. In practice? Not unless you have a good reason like say a few million dollars and a movie to film. "Just because" isn't going to flyThe city has the say in the end, but getting it done in the first place is going to take some serious cash. The detour is going to cost the city so they are going to want ... |
Why are car batteries so big if they lose their whole charge after leaving a dome light on overnight. | They're designed to put out a large amount of power for a short time -- enough to start your car engine, which is heavy. But the designers assume they'll be constantly recharged thereafter .Your typical car battery is about 50Ah*13.8V = > 690Wh. If you leave a 20W lamp on for 12 hours you will have drained ~50% of your... |
Why are the craters on the Moon so shallow and somewhat flat? | Gravity limits the size of mountains; that's why objects above a certain size are alway close to spherical. Rocks just aren't strong enough to be self supporting on a really large scale. |
Why are tobacco companies banned from selling flavored cigarettes yet other tobacco products like flavored cigarillos or hooka tobacco is fine? | Flavoured cigarettes were really popular with kids 10-15 who wanted to smoke for the coolness but couldn't handle the taste of plain cigarettes. Cigars, cigarillos and hookahs didn't have the same appeal to kids and weren't working as a lure for them. |
If someone needs a kidney transplant, does the donated kidney have to be from the same side? Like, can you replace a left kidney with a right kidney? | When a person receives a kidney transplant, it is not in place of one of their kidneys. The new kidney is typically placed in the patient's pelvis. The artery, vein, and ureter from the donor kidney are then connected to the recipient's iliac artery, iliac vein, and bladder, respectively. [This] image describes what it... |
When bands tell politicians not to use their songs - who gave them permission in the first place? | Generally, you don't need to get permission, other than to get a license to perform the music in a public place. This isn't a license that someone has to approve based on the type of event -- it's simply a financial transaction: you pay the appropriate license for the appropriate event and you can play whatever music y... |
If I take antacid after orange juice do I inhibit the Vitamin C? | No, the bile secreted when food enters the intestine is alkaline and one of its functions is to neutralize the excessive acidity of the stomach acids, doing the same as an antiacid. Adding another is not going to make any noticeable difference. Something that do affect the absortion of Vitamin C is dietary carbohydrate... |
If the use of antibacterial soaps and careless use of antibiotics is discouraged because it could produce very resilient and dangerous bacteria, how come mouthwash isn't being given the same treatment? | The "antibacterial" part of mouthwash is ethyl alcohol; bacteria are about as likely to develop a resistance to it as they are to bleach. |
why do pens write better on a stack of paper than one sheet on a table? | The surface area on the ballpoint is greater when there is extra paper underneath. Extra friction is created when the ball has more surface to cling to, allowing the ball to roll along the paper, grabbing wet ink when it rolls along. Imagine a large marble rolling on your counter vs on your bed. The surface that the ma... |
Why isn't a vacuum created in my body when I fart? | Vacuums would only be created with rigid bodies. When you fart it's more like popping bubble wrap; Your stomach compresses rather than having a vacuum.Fart happens due to the build up of gases by bacteria in your stomach. More gas, means more pressure. When you fart, you are relaxing your spinchter muscles in your anus... |
Why does water taste weird in the morning compared to at night? | You'll have to be more specific, water sitting on your counter or stagnant in the pipes will be warmer and have more oxygen or minerals dissolved in it making it taste different. Other wise factors like brushing your teeth, or having a lot of build up of bacteria in your mouth while you sleep can affect the taste as we... |
Why is it hard to speak when we are emotional? | Emotions are caused by chemicals being released in the brain. These chemicals can cause love, panic, fear, nostalgia, etc. When surprising information hits your brain, it can get flooded by these chemicals and can hinder other non essential brain operationsEmotions take up processing power and influence our responses. ... |
What causes the “burn” in muscles when working out? | When you perform strenuous exercise, the movement of your muscles require more energy than can be provided by aerobic methods which use oxygen from your blood. Your body is then forced to produce energy by anaerobic methods . These processes end up producing a substance called lactic acid which causes your muscles to b... |
Why is the letter "Y" sometimes a vowel? | Even though we label *letters* as consonants or vowels, it's really only *sounds* that are consonants or vowels. And thanks to English's screwy writing system, "y" can be either - at the start of "you", it's a consonant, and at the end of "try", it represents a vowel . In the word "tray |
What is the deciding factor in whether or not a light wave is absorbed or reflected? | Mostly the electron configuration and whether the light energy is the right frequency to promote an electron in the receiving material. Light hits electrons, makes them more energetic, and they either do so stably, unstably, or just arent the right match. Arent the right match and they go dtright through, stably and th... |
How do people "grow out" of allergic conditions like Asthma? | This is ELI5, so simply put, your body gets used to the allergen that it overreacted to in the first place. The protein/carb/lipid tags on the foreign body are so familiar to your immune system there isn't any reason for it to go into a reaction. In theory most allergies can be "cured" this way, but for some reactions ... |
Why does Nutella need no refrigeration or microwaving? | It's ingredients do not spoil at room temperature until said expiration date, similarly to peanut butter, and is edible as is; the ingredients have undergone their completed industrial processing and are safe to eat from the jar. |
How can the car industry be so diverse, and still be so successful? | For the same reason there can be dozens of fast food companies, dozens of soft drink sellers: there is a huge, huge market with lots of different preferencesThe market for cars isn’t that diverse. You have major car brands and then companies that fall under their umbrella. 9 total |
Aussies, what are bogans? | bogans are culturally marginal people. they wear shit clothes and speak in non sensical platitudes. they smoke value pack cigarettes and drink goon. they vote labor for the benefits, and are all about 'straya. they are borne of underage and unmarried parents - and again fall pregnant and create more socially parasitic ... |
How can you not bleed to death when surgeons cut you open? I mean a papercut can still bleed | They clamp major arteries, and use an IV to put fluids back into your body. For a minor surgery, the fluids are enough to keep your systemic pressure up while your body makes new blood. For major surgery, they give you whole blood or plasma, as needed.Cutting through the skin bleeds but the muscles in vessel walls cont... |
how do we know how old Saturn's rings are if we never been there? | When you say never been there, people's may not have been there but the rings have been analyzed through Hubble, Voyager spacecraft and Cassini space probe. It used to be believed the rings were created like 100 million years ago but ring features seen by instruments on Cassini -- which arrived at Saturn in 2004 -- ind... |
Sunday trading hours (UK) | its more a nicety to the worker who would have to work those extra hours now on the rota that has been expanded to include all day Sunday. Even if its just a rest from the rest of the week. Also any government who suggested it would suffer significantly from all the retail workers who suddenly had to work that extra da... |
The United States debt. Does it just keep increasing forever? what will eventually happen? | Your questions; Firstly, debt=public debt. That is the one you hear in the news all the time. It is what the government owes. The US debt is what we owe to the world, but as stated by /u/majiming it is mainly owned by the US, US institutions, and the people. If we default our perfect credit rating is harmed, and econom... |
Why do certain sounds, such as nails against a chalkboard, make us cringe? | Iirc , the sound is made of frequencies at both ends of our natural range of hearing, but are NOT harmonic of each other. The auditory cortex has difficulty trying to make sense of the noise, causing unpleasant feeling.sorry i can't cite, and this may be incomplete explanation. |
How does a ship force a submarine to leave an area? | The only thing a submarine has is stealth. It uses the depths, different thermal layers and silent operations to hide in the background ocean noise. Getting detected means the submarine is pretty much a sitting duck. It reflects either a mistake made by the submarine crew, or the skills of the surface fleet at anti sub... |
Why do gas stations with the same name, have different prices from location to location? | Most such gas stations are part of something called a franchise, which means that the physical gas station you're at doesn't actually belong to the company that owns the name. Instead, the owner of the gas station pays fees to the company that owns the name, wears their uniforms, and follows their standard business mod... |
Why do sunburns feel warm? | Blood is rushed to those areas for repair thus causing the feeling of more heat in a specific piece of your body. |
Do worms travel with a single orientation? Do they have a "belly" side that they usually travel facing down with? Or do they just move without caring about their rotation? | They have a "belly" and a back . They are not symmetrical inside. The neural system is the top side, the digestive system is the bottom side. And they aware of which side is up and downNot all "worms" have the same body plan. Segmented worms, earthworms for example, are bilaterally symmetrical, and have a dorsal and ve... |
Why are wedding dresses white? | Because Queen Victoria wore a white dress when she married Albert in the middle of the 19th century. A white wedding dress became fashionable, then the fashion turned into a tradition.And just to add: not *all* wedding dresses are traditionally white. For example, chinese wedding dresses are **red** . Of course, the We... |
Why does our vision look black and white when it is dark and our eyes get adjusted? | In our eyes we have two different recepters called rods and cones. Cones help us see color and rods help us decern between light and dark. Cones are only useful if there is light, because color is a reflection of white light. Rods, on the other hand, are fantastic at making out shapes and figures when there is no light... |
Can dogs understand other dogs when they bark? | Dogs don't bark in a language like how you speak English. Languages are an invention which must be taught to our children and requires constant care and revision to be mutually intelligible. Dog barks are extremely simple vocalizations. Though it is probable that dogs have a better idea of why another dog is barking th... |
When it's sunny out, how does closing one eye allow you to open the other eye fully without discomfort? | Because when you close one eye, you're instantly stopping 50% of the light from entering your brain. That's why you wouldn't feel discomfort. |
Please help me understand what systemic vascular resistance is. | Emergency Med. PA-C here. SVR is the back-pressure within your arteries that your heart must overcome each contraction to pump blood to the rest of the body |
what's going on with YouTube? | I hihly recommend watching Ethens explaining what's going on. Basically what's happening is, that the people or the companies who want to advertise on YT are signing a contract. In the contract they can check boxes where it says something like -It's okay if the video I want to advertise on has: * Sexual content * Viole... |
How and where does acid in our stomach come from? | Sure, we start out as a mass of cells, but that doesn't really say much. Cells are capable of a variety of tasks. Detecting light, moving the body, pumping blood, firing electrical impulses, creating new cells. Producing acid isn't especially unique as a 'cool thing cells can do,' cells do all kinds of crazy things inc... |
the difference between murder and assassination. | Assassination is to murder as beagle is to dog. Assassination is a specific type of murder generally defined by its political nature or the prominence/celebrity of the targetAssassination is generally political in nature. When JFK or MLK was shot it was for a political statement and therefore an assassination. Also if ... |
today's science's view of the shape of the universe. | If you're referring to the "observable universe", it is the distance from Earth we 've been able to observe. It's a sphere because earth is a sphere. That is not the whole universe |
Under what circumstance could residents of the United States overthrow the government if said person/organization would immediately be charged with treason and/or imprisonment? | The entire point of overthrowing a government is that the usurpers are declaring that the government is not valid, and than none of its laws apply. If they succeed, then they rewrite the laws, and will not be charged with a crime by the new government that they create. Basically, overthrowing the government is only ill... |
Does the Earth make a sonic boom? | It doesn't, because it isn't moving trough anything. Sonic speed is based on the medium propagating the sound. No medium, no sound, no speed of sound, no sonic boom. |
What determines if gas is expelled out the body as flatulence or a belch? | If the gas is liberated in the stomach, it goes up as a belch. If the gas is liberated once passed the pylorus, it will exit as a fartNot a biologist, but trying to apply common sense here: for a belch, the air would probably mostly enter your stomach alongside your food - think carbonated drinks, or maybe air trapped ... |
why is it that elderly people tend to wake up earlier the older they get? | You're looking at a biased sample set. Once they get old enough, they don't wake up at all. |
How can so many movies claim they are the "#1 movie in America" and not be lying? | By not defining what they mean by "#1." If they don't say it's the #1 movie at the box office, or the #1 movie according to critical rating, or #1 highest rated movie on metacritic user reviews, or such, they're not lying. By not quantifying it they can easily decide for themselves what it means, and argue that it's ju... |
What does "paper money has no intrinsic value" mean and what are some examples to help understand the word "intrinsic"? | Intrinsic means inherent value that the item has just for existing. When they say money has no intrinsic value, they are basically saying that money is valuable because WE say it is valuable, not because money is naturally valuable.Intrinsic means of itself. Gold is useful because you can use it for jewelry, electronic... |
Where did the tradition of having bedrooms on the second floor come from? | Bedrooms have been upstairs since houses had two stories, because it puts them away from the public spaces, away from the livestock, and away from some of the creatures that crawl around on the ground. Also it's warmer in the winter, and catches more breezes in the summer. |
How do you run for president? | - Convince a few wealthy people you'd make a good President and get them to help finance your campaign. Alternatively, be wealthy enough to fund yourself in the early stages. - Enter the primaries for one of the major parties, campaign hard in each state, press flesh, get people to believe in you, and solicit more dona... |
Why can't we build a graviton detector? | Basically, gravitons are just really hard to detect because their interaction with matter is so limited. We have the same problem with neutrons. It takes massive underground tanks just to detect a couple neutrinos. Detecting gravitons is several orders of magnitudes larger. To simplify the passage you posted, if we had... |
How do you stop texting and driving? | Easy. Just don't text and drive. If you have a condition where you literally cannot stop texting, you should seek a medical professional, but for most people it's just a matter of self control. |
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