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Why does stirring a liquid make it colder faster? | It's easier to see this as having the solid get warmer faster. If I expose the cold solid to warmer liquid by moving away the cooled liquid that surrounded it and and expose it to warmer liquid which was not as exposed to it before repeatedly There will be more heating over the same time, due to the [higher difference ... |
What is currently happening in Iraq? | Basically, we are most likely seeing what will be the beginning of a long, painful realization that invading Iraq was one of the worst military blunders in American history. We're not done with that war by a LONG sight. |
What happens if an pornographic actress stops consenting mid-shoot? Do they have to sign a contract where they say that they consent to a full "session"? | Generally, if they vocally retract consent the scene and filming stops. legally you can't sign away your right to retract consent at anytime. That said, the person retracting consent may be at risk of not being paid as a part of the contract. This is because porn isn't legal if it isn't 100% consenting. If there's any ... |
Why do batteries temporarily regain life when you rearrange them? | It's because all the electricity storage isn't depleted uniformly from the batteries. The connections between contacts or connections are also not always equal between batteries. Rearranging the batteries allows the slight the difference to release a few last unstable build-ups of the electrons. The electrons wants to ... |
Why do we have nightmares? Do they serve any purpose? | You should post this to /r/askscience if you want a better answer. They are far better equipped to answer this question. Frankly, a lot of these comments here are just wrong, like the one answering from a psychoanalyst perspective, which hasn't been respected in the academic community for a long time. |
What does it mean to be waitlisted by an American university? | A university receives a certain amount of applicants a year. They give acceptance letters to X percentage of these applicants. The rest are rejected or waitlisted. They know that out of the X percentage only Y percentage will actually enroll. This can be less than the number of students they want. If that's the case, s... |
Why aren't news stations (local, national, international) required to cite sources? | Aside from all of the wonderful explanations so far, I'd like to point out that if you contact a news station and ask for the specific sources that lead to a broadcast, they'll often email them to you at no cost.Because the news station itself is the source. Their capture of the information through interview or video o... |
Why is the dinner portion the biggest although breakfast is the most important meal of the day? | Breakfast isn't the most important meal of the day ). It's just another meal, it turns out. So that point made by your question isn't really accurate. |
How hot water freezes faster than cold water. | I think it is still not considered a fact, but here is the wiki: _URL_0_ I've always believed the primary reason was evaporation. Hot water tends to evaporate faster leaving a smaller volume of water to freeze. I goofed around with it a few times and I did notice that the volume of water in an ice tray filled with hot ... |
- Why are black boxes even a thing on modern airplanes? Why isn't all information that's traditionally found on a black box just continuously transmitted wirelessly? | Take the 787 Dreamliner as an example. Granted, it's a new plane, so it will have more technology than others. It is estimated that it can generate up to [500GB of data per flight] There is logic is streaming some of that data continuously, but the logistics of collecting that data from one flight, let alone all commer... |
Why is it that i can have a clearly-formed sentence in a foreign language or accent in my head, but then have difficulty actually producing it? | also, people are much better at recognition than recreation. say if i show you a picture of emma stone and you'll probably have no problem recognizing her. however, if i ask you to sketch or describe what emma stone looks like, it'll be much harder. |
Why do fleeing bugs choose to jump on people's faces instead of somewhere actually safe? | Bugs aren't smart. They just go. They don't know what a face is, much less a human face. When they want to flee, they just go fast. They also have really bad vision. A housefly, with its compound eyes, basically sees the whole world pixellated, so in order to actually see something, they have to get close.maybe they we... |
What is stopping me from laying claim on a planet in our solar system? | You can make the claim at any time. The issue is recognition and enforcement. There is a treaty that will prevent most any spacefaring country from recognizing your claim, not to mention that you aren't important enough for them to care anyway. Also since you cannot get there you cannot stop others from landing so ther... |
- Why is it easier to rebuild muscle than to build it in the first place? | Is this true or just anecdotal? I'd be interested in hearing more on this. Maybe it's just because you're familiar with dieting, supplementing, lifting exercises that you already know have worked for you in the past and have thus mastered the proper form that a lot of first-timers need to learn trough trial and error? ... |
How do guitar pedals work? | There are a huge number pedals out there. Some are cleverer and some are simpler. They all do some sort of signal processing. Overdrive and distortion pedals, for example, mimic the way a old tube amp would distort the sound if you turn the volume up too high, allowing you to get those sounds on a modern amp, which no ... |
If a soldier is captured, does that count as overtime? | The basic rule is that any entitlements you were qualified for on the day you went POW/MIA you remain entitled to for the entire duration you were/are gone. Basic pay, special pay, incentive pay for hazardous duty, BAH, BAS, Family Separation, Family Separation for Housing , Hostile Fire Pay, all possible. If at any po... |
Why do cars have displacements of, for example 2,997cc instead of just exactly 3,000cc? | Just speculation, but pistons are cylindrical. The formula for the area of a circle is 2PIr, so I imagine it's not always convenient for engineers to choose a round number for the displacement.Taxes, insurance, and racing rules are often based on engine displacement. So manufacturers stay just below the next bracketWhy... |
Why is it that after you have recover from being an alcoholic, that you cannot drink again, even in moderation? | Depends on whether or not you believe AA's disease horseshit or not. Some people can become raging alcoholics, stop, get their shit back together, and drink moderately. I've known many people like this. In college, they were alcoholics and now they're VP's who enjoy the occasional glass of Scotch but never to excess. S... |
Why isn't the foliage cut off the top of a pineapple? | There isn't any good reason to cut it off, but it isn't exactly useless. You can tell of a pineapple is ripe by pulling on a leaf from the center. If it easily comes out, the pineapple is ripe.You can make your pineapple produce fruit if you cut an old apple in half and put it on top of the pineapple plant with a bag o... |
Why do some stores (e.g. Gamestop) have multiple stores located in close proximity to each other? | in some cases it's just such a busy area that 1 store would be too busy to handle all the business, and thus lose business because some people would not be willing to wait and go elsewhere. this is especially the case with starbucks and probably mcdonalds as well. in the case of gamestop, it's probably a mix of that, a... |
How come when you get a nose bleed, you can't smell the blood, but when it's not in your nose it has that distinct iron smell? | There is something called olfactory adaptation or olfactory fatigue. Basically, your body stops smelling something temporarily after some time. To regain the ability to smell that substance, you need to remove yourself from its presence, allowing your body to re-adapt to an odorless normal. If you're bleeding from one ... |
What would happen if you tried to hug a wild Panda? | In general, wild animals are not especially thrilled with being hugged by humans. It's entirely possible it would avoid you from the get go, but if you irritated it, it could attack you. Hugging a wild animal is often a good way to irritate them. Hugging a large, irritated animal [may suck]. |
Why is the inside of a refrigerator cold, but the sides hot? | When you compress a gas, it heats up. When you expand it, it cools down. But this doesn't change the energy in it. Your fridge has some gas in it, like freon. It expands that gas until it's colder than the inside of the fridge and pumps it inside. Heat flows from your food into the freon, removing energy from the food ... |
How did Newton invent physics and calculus? How does one simply "invent" a mathematic tool? | Newton didn't invent physics, he discovered the laws of physics. The laws of physics are a set of abstract rules which relate various quantities mathematically. These laws are laws in the sense that they apply to a wide range of phenomenon . Evidently sometimes new mathematics has to be developed to express this law, s... |
How much do musicians ACTUALLY earn from streaming services? | Spotify pays out to the artist's label. Typically label contracts give less than 20% to the artist. In your example PM might have gotten a few hundred thousand dollars. Though this again isn't his cut as he has to pay the producers, mixers, for studio time, his crew out of his cut. While it may sound easy to earn a lot... |
How does a website display a custom error message when the server is down? | In the case of reddit it wasn't that the whole website was down. Likely there were just database pages. Instead of the front page linking to the normal page which links to the database it instead links to a totally separate site. |
I'm a runner. The colder it is outside, the more easily my muscles get tweaked. To solve this muscle tweak problem, I ice. How does that make sense? | Ok, this was hard to title. What I'm trying to say is, why is it that the colder it is, the more likely I am to get injured, but to solve those injuries, I use more cold to fix them? |
What is going on with Aliens: Colonial Marines | Hype and expectation was built up over it, then they got a product which didn't live up to the hype and expectation. |
Why did ships in the age of sail not employ more bow/stern "chaser" guns? | If these sorts of questions interest you I'd strongly recommend you read the Horatio Hornblower books. You'll learn all sorts of things about ship combat in the age of sail.The Korean hero Yi Sun Shin used Turtle Boats that would shoot through the mouth of a dragon head at the bow. [He was a true Bad Ass.]', "Γ = I α i... |
Mr ROBOT Ending (Episode 10) - Spoiler may be posted | 1, 2, 3, 5 aren't confirmed and are all mysteries at the moment. I, personally, think there is evidence to say that Elliot *is also* hallucinating Tyrell, but nothing is confirmed. 4: Yes. Elliot is Mr. Robot, and hallucinates that persona as his dead father. When Mr. Robot interacts with people who aren't Elliot, it's... |
Why do 60s and 70s boobs look like torpedoes? | It's boob fashion trends. There's always a variety of breast shapes, sizes, etc., and the examples you've given were all models. Models by definition embody as many of the current body style trends as possible. As other commenters have said, pointy boobs were in the fashion in the '50s and '60s, and round boobs are in ... |
How come sex and nudity in movies elicits a higher rating than violence? | Religious attitudes still pervade much of modern society's ideas about various issues, even if it is only on a subtle level. Historically, religion has been far more hostile to sex and sexual attitudes than to violence. This is reflected in mainstream societal attitudes. |
Why can't doctors replace a failing heart with a mechanical pump system? | It's difficult to design a pump that's not too rough on the blood cells. Artificial hearts tend to rough them up a little, which causes clotting and can lead to heart attacks/strokes as well as immune responses._URL_1URL_0_ There are options to either assist or replace the heart's pump function. Practical issues, along... |
How does the cream on a ice cream cake not get frozen? | Probably because its infused with a lot of air. I know when I was in Iraq they had chocolate that wouldn't melt even though it was 140 degrees outside. The chocolate seemed to be infused with a lot of air. |
Why are cuban cigars such a big deal? Why are they illegal? | As an avid cigar smoker, /r/cigars, and an Aussie, I can tell you that cuban cigars are so desirable because of their quality. That isn't to say that Nicaraguan, Dominican republic, or Honduran cigars aren't good, in fact they are great and are steadily becoming better and better and a Nicaraguan/Honduran brand called ... |
If space is empty, how can we control spaceships? | A different way spaceships are controlled is with reaction wheels. They're like spinning tops on motors. Spinning tops stay upright because the forces involved in spinning resist any attempt to rotate them in other directions other than the direction they're already turning. By having a heavy flywheel mounted on a moto... |
Why is obesity not more of a pressing concern when hundreds of thousands of people die each year because of it? | There are several reasons: 1) You can't catch obesity from others and society lacks empathy. In other words, society doesn't care if it's not their immediate and obvious problem. Rising health care costs and a plummeting economy are too abstract for people to understand that an obese nation hurts everyone. 2) People do... |
Why can negative emotions such as depression linger for years or a lifetimes but positive emotions (such as the honeymoon phase) seem to fade? | This is extremely misleading, there are hypermanic people that live in a near constant state of euphoria, shit that's what mania is. The premise of your question is just wrong. TL/DR: all emotions are fleeting, mental illnesses last forever. Source: hypomanic depressive diagnosed 7 years ago, ask me questions if you wa... |
How white supremacist groups like the KKK and Alt-Right find ways to recruit people despite being banned on social media | immigrants" and "banking establishment" to allude to specific races. Also, they do a lot of JAQing off. Why are so many criminals black? Oh, no, I'm not racist, I'm Just Asking Questions. |
Why is it that we tend to remember bad times rather than good times? | I've heard it said that there is an evolutionary imperative there - we obsess on our mistakes because it helps us learn from them. |
How is Dr. Phil not a form of public humiliation? | Because they do it of their own free will. So it doesn't quite count. Though your point is pretty much the question you should ask of all 'reality' tv shite. |
Why USB 3.1 Gen 2 SSDs (Like the new T5) Only Transfer at 540MB/s? | USB 3.1 gen2 supports 10Gbps. A highway supports 500mph? So why can't all cars that use the highway go at 500mph and are limited to say 150mph? Same thing. Usb3.1g2 is simply an interface specification. Like a highway. It's up to the device to be able to reach the peak tpt the interface supports. Most devices can't com... |
why some NYPD officers still use horses when there are other more modern options | Horses can still go places that some modern vehicles can't. Basically, 4 legs with hooves can handle situations that 2 or 4 tires can't.Because the horses are the better option. They put the officers far taller than the crowd improving what they can see. People naturally shy away from horses due to their size which giv... |
Why is there no cure for cancer when we are raising/spending so much money on it? | Because cancer is not some monolithic disease. It has tons of different causes, and tons of different variations. Asking why we haven't cured cancer is kind of like asking why we haven't cured all viruses. This is further complicated by the fact that cancer is essentially your own cells growing out of control, so any c... |
Why is frozen pizza's quality sub par when compared to delivery? | Pizza is made up of a bunch of different stuff, and many things don't behave well when frozen. Take a peach, freeze it, and then eat it. A lot of the texture and taste is changed for the worse. Now think about the separate pieces that make up pizza, and ask yourself if you ever buy them frozen. Do you buy frozen bread?... |
How much is Obama to blame for this latest domestic spying scandal. | > If we had elected McCain would things have been different or was this just an unavoidable scenario that the president alone couldn't control? If you remember the 2012 presidential debate on international affairs both the candidates pretty much agreed on everything from drone strikes to intelligence gathering. The sam... |
How can I build up a good credit score without racking up debt? | This is a good start. You can search the internet for best ways to build credit. But conceptually, here are the top items that build good credit: 1. Consistent usage and on-time payment. This applies to credit cards, auto loans, mortgages - basically any time you borrow money. 2. Longevity. The longer you maintain thos... |
Why is buying into a time share considered a huge scam? | It's not necessarily a scam and some of them work well. However, some companies use pushy tactics to sell the timeshares and the people who buy them don't really want them. Then the buyers are stuck with annual fees that may be more than a hotel would cost and they can only use the property during set times and only in... |
Why do people hate hover boards? | people hate the culture, hoverboards became a thing because of vine. people hate viners and the things they represent. I personally don't like them because it gives lazy people an extra excuse to be lazy. why walk to the end of the driveway to get your mail when you can just use your hoverboard. |
How do The train-stoppers at the end of the rail work? | They absorb some low speed impacts. The shape of the buffer generally pushes the absorbed energy down to the rails and into the ground. At a certain speed though, it will just shear off the rails and the train will keep going. You can get hydraulic ones that can absorb more energy _URL_0_. But chances are, a train goin... |
Why is Elon Musk saying this is the limit of what gasoline cars can do? Did Volkswagon have the highest performance of cars when it came to car emission? | Elon said what he said because he wants to convert the world to electric cars. It's a good sound bite against non-electric cars. Simple as that. Governments passed regulations on how much NOx emissions were allowable - but they never bothered to implement robust testing. That opened the door for automakers to game the ... |
Status of Sino-American relations in 2016? | Economy: First, the exclusion of China from the Trans-Pacific Partnership was mainly seen as a move to propel China to new standards on trade and investment but China has only accelerated its own trade initiatives in the Pacific Rim. Though the US is trying to neutralize China's global trading power and make American c... |
What's actually happening in my brain when I'm confused? | AwwwAs humans our whole existence is based on understanding the reality we live in and not understanding this reality has been drilled into our heads as bad. Obviously it is bad not understanding a tiger is dangerous can lead to certain death in the wild, among other things, which is why society drills this into our he... |
Does the body absorb all calories while binge eating? | Ceshomru's answer seems deeply, deeply suspicious. _URL_0_ This provides a much better and more complete set of answers. The TL;DR is yes you will absorb most of the calories you eat at a very high level of calorie intake, but certain groups have maximal limits on uptake, so you will shit out anything you can't absorb ... |
Why do we put people in prison who don't pay their taxes? | Failing to pay your taxes isn't a crime punishable by imprisonment; tax *evasion* is. > it makes much more sense for these people to pay back those taxes with fines on top of it then to take them and have taxpayer money pay for them to be in prison. The IRS doesn't take prison time in lieu of payment. The feds can garn... |
How do pro boxers and fighters avoid killing each other with 'one hit' punches that sometimes happens when people fight on the street? | The human body is amazing at protecting itself when in danger. When you fall, your body instinctively try to fall in a way where the head isn't at risk. If something were to fall, you duck your head or cover it with your hands. When strucked by a 'one ounch', you are unconscious when you fall. Your body is unable to in... |
Why is / r/Politics so left-wing biased? Shouldn't a sub with that name be as neutral as possible? | You need to remember that there is a fundamental issue with the way reddit is programmed. Because downvotes actually have an effect then anyone with an opposing or unpopular view is silenced even if they are making a perfectly justified and rational argument. Add to that, that most people who hold right wing views tend... |
How do TV channels work in different countries? | Other things about germany. Channel one is usually ARD, channel 2 ZDF, channel 3 your regional ARD station, but unlike for example in the uk with sky or freeview/freesat those channel numbers are not fixed by your provider or by your set top box's epg. You are free to shuffle those around as you like, add and delete wh... |
After years of staunch opposition, why are states seemingly scrambling to legalize marijuana use? | Someone broke the seal. That's really all anyone needed. Everyone knew it would be a cash cow, just like taxing figs, but no one wanted to be the first. *edit* cigs not figs |
Why my shower rhythmically throws a second of super hot or super cold water on me every 30 seconds? | There's a lot of good answers here, thank you everyone. I live in an apartment building alone . I don't have access to my hotwater tank. Given some of these answers, could this be a quick fix with the water tank settings or would it be more like.. replace the whole thing type of fix? Sorry for being vague and not knowi... |
Is the fact that no time travelers have visited us a definitive proof that backward time travel is impossible? | Not necessarily because it may be the case that a technology is required to 'receive' the incoming traveler that has not been built yet. In which case time travel will only be possible past that point. Its also possible that the time travelers are just not showing themselves . The third possibility is that time travel ... |
Why is competitive dragracing difficult? | In addition to maintenance/upgrades as you said and the fact that it's not the same as flooring grandma's Buick , there's also timing the light correctly. The faster cars are the more important even an extra 0.1 second becomes to winning the race. You can't wait to go until you see a green light, you have to go when yo... |
What would happen if we just copy-pasted the federal budget and tax code from the 90s when things were going a lot better? | Well little guy this is a tricky question. The thing is that the world has changed a great deal in these past few years and things that worked then can't work now. As a nation we have a lot more people living here and a lot of us look at the world differently. Remember last year you thought Blues Clues was the best sho... |
How would one go about obtaining a legitimate title (e.g. count, duke etc)? | If you don't stand to inherit such a title, the only way to obtain one is to be granted a title by a monarch . Anything you see about buying a title is a scam.A football player, playing for Liverpool FC, purchased a property that granted him the title of Lord Djibril Cissé - _URL_2_ |
Since a fetus shares the same life supply as its mother, how can the child end up with a completely different blood type? | The placenta is a very unique organ that acts kind of like the lungs and kidneys combined. The fetus does not have direct contact with the mother. The placenta acts as a buffer to protect both the mother and baby from each other, but it stills allows the transfer of what is needed to keep the baby growing and prevent t... |
If debt cant be inherited, can you take out a loan of 1million, give that to a friend as a gift and then die? | Apart from the practical considerations of getting such a loan without collateral > Can the bank come after your friend somehow? Sometimes they can, and you don't even have to die. If you make a sham transaction, selling something below market value or giving it way, with the express purpose of avoiding a legal debt, t... |
why are revolving doors so widely used? What makes them better than others such as automatic doors? | They're never actually open. The door revolves to let people in and out, but there's never a moment where there is a space through which the wind can blow: there is always a door separating the inside from the outside. If you're standing near the door, you never get a blast of cold or hot air every time somebody walks ... |
What happens to the chewing gum people spit out everywhere? | Most gum is made with synthetic polymers that will not decompose. It either needs to be removed by human cleaning crews or it makes its way into the food chain, mostly through fish. Here's an [article.] & nbsp; **TL;DNR:** Throw your gum in the trash, please. |
How do pharmacies always seem to have the exact medication I need on hand, in the building? | There really not that many drugs that most people need. All the common ailments might have a handful of possible drugs. So maybe 10 painkillers, 5 decongestants, 10 steroids, 10 antibacterial. Go through the common things and you'll find maybe 20-50 things that people might commonly have that require different drugs . ... |
why are our pubic hairs curly? | I just googled it for you and got a quick and simple answer I'll paste for you. Marc Glashofer, a dermatologist and fellow of the American Academy of Dermatology, claims that the texture of pubic hair\xa0tends to be thicker and more coarse than\xa0hair\xa0on the rest of our body because of its origins as a buffer. “It ... |
why does the scanned version of my art look worse than a photo? | How old are the scanners? Sometimes the resolution can be set low to save on time and ink when scanning and printing. Also, some times scanners have a hard time differentiating between tones and just pick up the lightest and darkest areas. Again, it's a settings problem.You’re probably using bad scanners. Try buying an... |
Do shaken soda bottles reabsorb the bubbles...and how long does it take? | It only takes 30 seconds or so for the CO2 to get reabsorbed. I saw a guy do a magic trick one time that took advantage of this. He had two bottles of soda and claimed to be able to transfer the bubbles from one to another magically. He took bottle A, shook it like crazy, and then delayed and delayed opening it by doin... |
Why is it OK for past Popes to condemn birth control and condoms but NOT OK for Pope Francis to express concern over climate change when it involves the futures of the next generations of children? | I'm tired of all these ELI5 questions that aren't actually asking for the breakdown of some complex issue but just want to point out some assumed political/religious contradiction in a facetious way. ELI5: Why don't people realize we can see through their pretend confusion? Edit:I'm honored that my rage has earned me a... |
As a non-American, please explain to me what's all this "Hobby Lobby" hullabaloo. | Hobby Lobby is a corporation that claims it that the Affordable Care Act violates it's right to freedom of religion. Hobby Lobby doesn't want to provide certain types of birth control within their healthcare plan, and the ACA says they have to. This is related to the Citizens United Case, wherein the Supreme Cort ruled... |
somebody please explain the rule of 3. | If I understand the question correctly, you're referring to this: 20 apples cost $10, how much do 30 apples cost? Then: * 20 apples / $10 * 1 apple / $0.5 * 30 apples / $15 The first step is just the original amount. We have a certain amount of apples for a certain amount of dollars . If we are interested in the cost o... |
how come I need protein, carbs and vitamins etc, when a horse can get all they need from hay and be fitter than me? Relatively speaking. | It's important to remember that 'hay' and 'straw' are not the same thing.Straw is leftover plant material from crops that have already been harvested. For example, after a wheat crop has been harvested, the remaining dead stems of the wheat plant are typically collected as straw.Hay is a collection of grasses, grains, ... |
why does chewing gum disintegrate into mush after chewing too long? Why does it happen suddenly instead of gradually? | This has happened to me once or twice ages ago and I've occasionally wondered about it since. It suddenly melts and turns to terrible tasting goo. My current theory is that oil or fat must have made it into my mouth and dissolved/broken down the polyisobutylene/gum Arabic. I can actually do a little experiment now to t... |
where did the 5 star rating system come from? | Further with OP's question, why stars? Why not some other arbitrary point system?", 'It makes a lot of sense: terrible-bad-average-good-excellent Or: split the difference between bad and good, the split those differences once more for a slightly nuanced way to look at things. Just enough information to be useful.I can'... |
Why can our ears handle the pressure from water or air just fine, but excessive loud noise can cause damage? | On top of the other answers here it would take a lot of pressure from an air compressor or water pump to actually get into your ear the way sound waves a can. You'd basically have to have the jet of water/air rip your outer ear apart before it could even get the direct application of pressure on your eardrum.imagine a ... |
How can a cheeseburger from a fast food restaurant cost less than a peach from a grocery store? | The burger is a loss leader. 99% of their customers will add a super size fountain drink and $0.01 worth of fries for three buck or more. If their customers think they're getting a deal then they get volume - which is the fast food objective - low margin, high volume.The grocer also employs a lot more full time staff a... |
Why does the U.S. presidential election depend on winning in enough states, rather than a simple nationwide vote count? | > As I'm sure you know, America is made up of 50 states. There are two houses in Congress and each state is represented in both houses. In the Senate, each state is represented by two senators, for a total of 100 senators. In the House of Representatives, the 435 Representatives are divided among the states based on po... |
Was suicide, depression or anxiety anywhere near as common before the construct of society, or is it a repercussion of society? | Perhaps with the lack of documentation before civilization I can address this question using political theory and anthropology. Rousseau, author of one of the first modern historic theory of the rise of civilization, would argue that illnesses are a malady of property, that once we started living together and staking c... |
Why did we have to learn how to play the recorder in elementary school (primary school)? | Same reason other basic skills are taught that you may never have a use for in the future . You may not know you enjoy something until you've had a bit of practice with it. |
Why Is The CDC Alluding To A Recommendation That Purified Air Respirators Should Be Used, If Ebola Is Not/Can Not Be 'Airborne'? | Ebola has never been observed to be airborne, it's been studied for decades and it's never shown this property. However that's not to say it can't mutate and become airborne . There are mumblings about it potentially having made this leap but there's still no evidence for it. With something like ebola, with a high leth... |
How Obamacare is bad for doctors | What i don't understand is the circular logic of * Lets spend less money on Medi* programs by paying doctors less * Medi* programs don't pay enough, lets get rid of the programs I'd agree that the government should negotiate prices like insurance companies, but hospitals/doctors also need to start being transparent wit... |
Why do people gravitate towards hatefulness rather than kindness and love? | because we know that not everyone is good. I like to think I am a nice and good person. I know i used to be. But the job I work at is not. If a company can have a personality all on its own , then this company would have some kind of psychosis or personality disorder. the result, is that the employees are hateful. they... |
Why doesnt the United States have super high MPG diesel cars like the rest of the developed world? | European fuel economy standards—the way they test the cars to produce the official fuel economy numbers—are different than those in the USA. If you test the exact same car using the European rules and the USA rules, under the European test procedure it will get a much higher result. But this is because the USA's tests ... |
The DOW 4% drop. | I put this in another comment earlier today, but I'll copy paste here. I posted this right after the dip/recover that happened between 2 & 330: I don't do equities but rumor around the campfire is that we just saw some haywire algo trading. In plain english, someone's computers went into panic mode and started dumping ... |
Why do we attach a special value to rounded numbers? Why is the 200th of something more special than the 243rd of something? | From what I gather our mathematics is based on the fact that we have 10 fingers with 5 fingers on each hand. Before the more advanced forms of calculation we would have used our fingers primarily for counting. We therefore regard 10 and multiples of it as rounded numbers and use it as a means to get a sense of proporti... |
Why do diuretics cause you to urinate so quickly, such as beer or coffee? | I'll make this as ELI5 as possible. Your kidney filters blood, thereby producing urine. As more blood is filtered more urine is produced. Diuretics cause a release of a hormone which causes blood vessels to grow in diameter. This means more blood flow to the kidney, which creates more urine. This is also why your pee i... |
What is a canker sore? And how can you get rid of them? | I get them extremely often, some methods I use are putting salt on the canker, it hurts like hell, makes me tear a little, but ultimately burns the sore itself and ends the pain. Or, you can try store topical medication. All it does it numb the stop and whatever else you accidentally got it on |
Why do fighting sports divide themself based on the athlete's weight? | So that lighter guys or girls don't get the shit beaten out of them by bigger brawlers. Your size is indicative of the amount of force you can generate and also your reach, so you can hit harder and hit them before they get close enough to hit you. Sure a smaller fighter can be faster and more nimble but a big hitter o... |
Why do video game companies price downloadable games at the same price of a physical game? | Because people will pay it. Simple as that. If full price digital hadn't caught on, you'd be paying almost half by now. |
Why do we eat certain foods at certain times of the day? | Certain foods are more appropriate for other times because of the way our body digests it. Meat requires more work internally to process, so it's best later in the day, while staple foods like bread, rice etc release carbohydrates more gradually, making them great breakfast foods. The latter is especially important to ... |
If it costs more in legal fees to fight a ticket than to actually pay it, why don't cops pull everyone over? | There are two ways to look at this: Remember when you were 5, what did you want to be when you grew up? A firefighter? An astronaut? A POLICEMAN? If you wanted to be a policeman when you grew up, it's probably not because you wanted to be a dick. A person who becomes a cop generally does so in order to do good rather t... |
Why does Michigan receive 10 cents back for can returns compared to other states? | That's just how they wrote the law. It's worked, clearly. Michigan's recycling rate is 97%, compared to 70% in other deposit states and 33% across the United States overall. |
What is the "Middile income trap" for nations and their economies? | One way for a poor country to earn money is to level its own poverty as a marketable advantage. What that means in ELI5 terms is that since everyone is very poor, everyone will do work for a very low wage. And so, the kind of work that does not require much in terms of education can be done there cheaper then anywhere ... |
Why does "walking it off" seem to help us recover from some types of minor injury more quickly? | When you walk, your blood pumps faster and that helps heal the wound faster. It also distracts you from the pain since your brain cannot waste time on pain if it has something physical to do. However, don't strain yourself too much or the healing process may actually be put on hold since your body focuses entirely on t... |
Why is there a Springfield in every state? | So you will never know where the Simpsons lived. They wouldn't want a bunch of people showing up to town simply to be on the TV.There was s a spring in a field and they built a town there in all those states?Because, while a little older, the Springfield was a fairly accurate rifle with only a little practice? |
Do people with Exotropia (one or both eyes facing outwards) have a wider field of vision? | They technically see a wider field, but they can't easily interpret what they're seeing because the images don't line up anymore. It'd be like walking around cross-eyed all the time. If a baby is born with exotropia, the developing brain can actually start to ignore the lazy eye, eventually leading to blindness in that... |
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