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Why haven't jelly fished taken over the world? | > and they done't have many natural predators, They have turtles. Turtles eat them by the ton. |
Why is coffee almost impossible to be reheated without it tasting burnt and is there anyway to prevent this? | We make coffee with a chemex Pyrex maker along with the suggested filters. The thicker paper filters out more of the compounds that make the coffee bitter. I reheat it all the time and it tastes nearly as good as fresh brewed. I really recommend this method of brewing. I like that it's all glass -- no plastic to leach ... |
Why are there air bubbles in the water when faucets are fully on? | I don't fully understand your question. Your faucet most likely has an [aerator] at its end. That is there to increase the water velocity while using less water and reduce splashing or jetting when the water stream hits an object. But the aerator should work through most of the faucet opening range . Does that answer y... |
Why is the NSA allowed to break the law? | Because of the law. It's like a cop having to speed in order to catch a speeder. Or an undercover officer buying or selling drugs. |
Why do I twitch as I fall asleep? | It is called a hypnagogic jerk and is perfectly normal, though it gets more frequent if you are sleep deprived. Make sure you're getting plenty of rest. |
Why aren't tattoos applied by a printer like machine? Why do we only have tattoos drawn by hand? | Human bodies aren't uniform in shape or size. You'd have to accurately map a person, and constantly adjust the mapping as the person moved. It's very different from printing on a sheet of paper, or manipulating a block of metal in a CNC. I suppose it's technologically possible, but it would cost far more then the avera... |
How can 2 (3?) gas atoms (H & O) form a liquid (H2O)? | Hydrogen bonding is why water is a liquid at room temperature despite being made of gaseous atoms. CO2 has a heavier atomic mass, but is not a liquid at room temperature. Because of hydrogen bonding, all the water molecules form a lattice structure where all the molecules are, more or less, slightly bonded together due... |
Why is it not possible for earth to be flat? | Gravitational pull. Everything in the universe are circular because of gravitational forces. Gravity pulls everything in creating a spherical shape, and when that gravity gets strong with an abundance of mass, it can suck into itself creating a black hole. Basically mass is being pulled into an epicenter creating a cir... |
Why is there such a large variance in which day Chinese New Year is celebrated on each year? | The traditional Chinese calendar isn't the same as the Gregorian calendar. So the same date on the traditional Chinese calendar doesn't always land on the same date on the Gregorian calendar. |
Would there be any downsides towards health or digestion if I blended all my food and eat/drink my meals in the form of a smoothie? | Look up Soylent. I believe it's fine. Biggest problem is people still feel hungry and crave real food. But sounds like that's not a problem for you. |
What is so good about Google Fiber? | It uses fiber optic cables which use light to transfer massive amounts of data at massive speeds, or one gigabit per second. In contrast, you can download a gigabyte in 8 seconds, a 14 GB movie in under 2 minutes, and much more. Most of all though, it is breaking internet service provider's hold on the internet. It act... |
Why do some people get so effin' angry over repetitive noises? | Mine is also from no scientific basis, but i am speaking from experience. Loud noise in general that isnt monotonous tends to anger people. This is especially true of mental patients . Quiet calms people, loud noise irritates people. Sometimes that irritation can go a bit further than that, especially if youre already ... |
Why is trash such a problem in the world? Why can't we just burn all of it? | ELI5 for tomorrow: Why are the toxic fumes from burning trash such a problem. Why can't we just bury all of it? |
do my friends see me the same way I see through a mirror? If not is there a way I can see myself the way my friends see me without taking numerous photos of myself? | Sounds like you need a True Mirror!_URL_0_I heard about it on Radiolab. Listen to the story linked on that page, it's great. |
Are we at the center of the observable universe? | This is essentially what relativity is. If you're in a moving car, you don't see the car move, but rather you see the road, the trees and buildings moving closer, and then away to you. However, we understand that while we see things move, we understand that it is us in fact that are moving. In sum, if you see the dista... |
Why is really simple stuff so expensive while really complicated stuff is super cheap | Intel has the economy of scale advantage. Intel produces literally tons of microprocessors, so the research and development investment gets offset to millions of sales. Plus they basically print hundeds of chips at once, and then test how good they are and adjust prices accordingly. Your 30 Euro processor is something ... |
why we don't have monstrous shadows from Mercury or Venus blocking out the light to Earth? | Even when they're directly between us, the sun's disc is so large that all areas with the sun in the sky will still be getting most of the sun's light. The planets cannot block it out. It would reduce the light hitting us by some inconsequential amount. Basically, you have to realize as 'monstrous' as a planet sized sh... |
Why do children have a seemingly innate aversion to solid vegetables? | I specify solid because many children seem to enjoy puréed vegetables. EDIT: I should also specify that these are children who have the ability to eat other solid foods I'm asking about |
how did Hitler rebuild Germany's economy so fast? | Putting a lot back into public infrastructure and limiting imports. Germany was relatively self-sufficient, in the grande scheme of things, after WW1. They also cut the labor unions, which I'm sure pushed efficiency up in the workplace, albeit at the expense of workers interests. |
How someone growing up as a teenager before modern acne medications would combat and deal with severe acne? (i.e. a teen growing up 200 years ago) | There's been some pharmacological knowledge around for thousands of years, some of it being bunk, of course, and some of it working. Chinese roommates I had would cook and eat a horrible plant called bitter melon, which controlled acne, according to them. I tried a bit of it once and nearly got sick. In Western culture... |
Why can't countries like Japan with so many zeroes in their currency just remove a few? | Japan has no currency smaller than 1 yen. It's just like if the US counted everything in cents. |
Why is sports betting viewed as reckless and troublesome whereas playing the stock market or making investments is viewed as okay | Companies need a liquid secondary market for their stock in order to be able to raise capital. So, indirectly, the stock market serves a purpose. Sports betting doesn't contribute anything to society other than entertainment, and probably detracts from society through compulsive gabmling.It takes a lot of research to d... |
why can xbox one x run some games at 4k60 and cost 500 while a gtx 1080 ti struggles to hit 4k60 on newer titles and cost $700? | The hardware of a console is made to do only that, while a PC may have other bottle necks than the graphics card. Furthermore, since the game developers know the exact hardware the game will run at, they'll customize the settings so it runs well. The output resolution may be 4k60 but perhaps they have decreased quality... |
Why is alimony paid for people without kids? | Alimony exists so that non-working spouses are not economic hostages to their breadwinner spouse. Alimony provides a transition period for the non-working or lower-earning spouse to transition to a self-sustaining financial situation. There are other reasons besides children that can make a couple choose to be single i... |
How do you “crack” a game? Why can’t you just send the files of the game to someone so they can play it? | I could be completely incorrect, but this is how i understand it. Say you go and buy a new game, that game has a built in cd key/code that only activates it to one user per copy of the game making it so you can't share the same copy with thousands of people cutting heavily into the profits of the company A crack basica... |
Why is animation treated so differently in Japan than the West? | Every decade or two, the US works up a moral panic about some form of media. Rock and roll is turning kids into satanists, etc. Rather than risk targeted legislation, industries typically voluntarily censor their content. Western animation was affected by a series of self-censorship measures - the [Hays code], the [Cod... |
Magic Eye Pictures: How do they work and how do I see the hidden image? | Ever look through a chain link fence and it looked like the pattern was much closer? It's like that. The trick is letting your eyes drift slightly apart as if beyond the page, yet focus on the image.Now if you **really** think you 've got the hang of it, try playing [Stereogram Tetris.][]', "For those trying to do it f... |
Why do "blank pages" in official documents always say "page intentionally left blank"? | A true blank page may cause the reader to believe the blank page is accidental. Typing the 'intentionally left blank' message prevents that. |
What does "encrypted smartphones" mean & why does NY and CA want to ban the sale of them? | So the civvies have made a lock that the cops can't crack open. This makes people in power mad. When they want to bust open a lock and look at everything behind the lock, they want to be able to do so. Ostensibly, it's so criminals can't keep cops with warrants from looking at all the incriminating evidence they have o... |
How do car companies release a new car every year and still make money? | Remember that cars don't live forever, they get hit, they rust, they break down, they get too old. When a car dies through one of these means it has to get replaced, even if someone replaces it with a used car, and that used car with another used car, at some point one of those used cars is a new car, they just get han... |
Why doesn't the ISS have plants to produce oxygen? Or is that a thing? | There are a few problems with that. For one, while they do convert CO2 to oxygen, it's at a pretty small level. You'd need quite a large farm inside the ISS to do the job, and space is already at a premium in the ISS. Another problem is resources. Sunlight is hard to get onto the plants and water is another resource th... |
How did some Anglo last names become popular among black people? (Washington, Johnson, Jenkins, etc.) | I think it's because when some black people were in slavery, they took on the names of their slave masters.People taking on the last name of their previous owners. |
Does DNA only become dangerous when it creates proteins with that intent? | CRISPR was taken from bacteria where the bacteria stores some part of the virus and then uses that to recognize the virus next time it infects. This is because bacteria lack an immune system per se. The CRISPR we use is made up of two parts. One is the the guiding part and other is the cleaving part. The guide is a seq... |
Does the concept of incest exist in regards to plant reproduction? | Incest matters for plants. Example: heirloom tomatoes, which are very old strains of tomatoes, are considered inbred and have high rates of harmful mutations and stuff like that as a result. Incest is a problem for any life form because without new genetic material coming into play genetic problems will become worse an... |
What are the differences in the levels of caches? | ELI5 answer involving milk for your cereal. Your whole family is eating cereal for breakfast, so you bring a carton of milk to the table, but it runs out. Your L1 cache is your refrigerator. It's only a few steps away. Your L2 cache is the neighborhood grocery store. They have to constantly stock up on milk. Your L3 ca... |
Can SETI listen to radio activity from TRAPPIST-1? | Sure. But keep in mind that system is 40 light years away. You'd need a pretty substantial amount of power to transmit a signal over that distance. If you are sending an omnidirectional signal, it'll attenuate at the same rate as gravity, a-la the inverse square law due to the spherical expansion of the signal. They mi... |
Why is Denmark (1 silver medal in Winter Olympics history) so terrible at the Winter Olympics, while its Nordic neighbor Norway, has 367 medals all time? | In Norway we not only have an abundance of snow inland during the winter, we also have a topography that is very much suited for a broad spectrum of winter sports. We have pretty much the opportunity to do whatever snow related that we want. Skiing, downhill, snowboards, ski jumping, and so forth. Naturally, this stimu... |
Why is Russia so threatened by the idea of states on its borders (such as Ukraine) joining the EU? Is Russia actually afraid of a EU invasion? | The chief problem is that, from Russia's perspective, the EU and NATO are basically the same entity. In addition, Russia doesn't want NATO to start expanding around it's southern borders ; it undermines their defenses against nuclear attacks.I believe their primary reason for objecting to former satellites joining NATO... |
Why do I have to wait 8 minutes to post something If I have a verified email and lots of karma? | There's already a market for high karma accounts. Removing that limit would make it that much more desirable.You need to have sufficient karma in that specific subreddit. |
If a whale swallowed you whole, assuming you survived, would you be able to escape out of the whale? | Enzymes in the whales digestive system would poison and kill you eventually. I don't know much about a whales stomach, but if it's anything like a humans, you'll be covered in Hydrochloric Acid and broken down.You would die of suffocation long before being dissolved or whatever.Dude, a blue whales esophagus is about th... |
why don't they just artificially inseminate pandas? | they do, but there is a very small window when it can be done. It's also almost impossible to see if she is pregnant for a number of reasons. Ultra sounds are out, because of the size difference between the mother and the offspring. second, the female's body always shows that she is pregnant after the insemination. the... |
What health aspects can easily be monitored/measured via ones mouth | Well if someone has gum disease they are more likely to have heart disease as well, the bacteria from the diseased gums travels through the blood stream to the heart increasing the chance of heart attack. I know it's not an oral measuring system but it's still an interesting fact nonetheless |
How does a virus "trick" your body into acting incorrectly? | I'm not so sure it 'tricks' the body like some things do I it's explained that way because Virus' cannot actually reproduce/spread by themselves. They're just instructions coated in protein. so the virus 'tricks' the body into making more of the virus itself by invading the cells, taking over the cells and having the b... |
why are Starbuckses at US airports so different from the other ones on the outside? | I'm not sure if this is true for all airports but a majority of the Starbucks in airports, as well as most fast food and retailers, are operated by a third party company. I believe most are operated by HMS Host. Many things are overseen by the parent company representatives so that the product maintains consistency and... |
How can creatures like wolves and lions survive without brushing their teeth? Do they have an evolutionary advantage or do they succumb to dental issues like humans? | Part of it is indeed lifespan, but a major contributor is diet. Modern humans eat diets high in sugars and other simple carbohydrates like starch. These are great food for the bacteria that causes cavities . Other animals don't have nearly as much sugar or starch in their diets, and therefore tend to have fewer dental ... |
How does vector art save information? | so in a 'normal' picture that is defined by pixels, you have something like this:Imagine every pixel has a color value, and in this small example b stands for blue and g stands for green in this tiny picture consisting of 20 pixels: b b b b b b g g b b g g g g b g g g g g You might 'see' that this tiny picture has some... |
How are 2D movies made into 3D movies? | First of all, converting old movies to HD is easy because physical film already has more detail than an HD image. For the 3D, the basic process works sort of like this: imagine taking a picture from a magazine, cutting out the person in the picture and moving that person forward a few inches. If you position it right, ... |
How did nuclear bomb tests in the ocean not cause destructive, widespread tsunamis? | This [What If? XKCD] explains in some technical detail the physics behind water displacement as a result of large explosions. The bottom line is that while there can be very high local effects from a nuclear blast , they dissipate fairly quickly. They don't carry on endlessly; they get more and more diffuse. So while y... |
how a turbo works in your car. | When your engine burns fuel it creates many little explosions that come out under a lot of pressure and very hot. Many cars let this hot gas cool and settle down in the exhaust system and go out the exhaust pipe. Turbo engines don't let that happen. They use the hot air to spin a small turbine - conceptually similar to... |
Why is inflation good for an economy? | Inflation isn't completely good for an economy, what is good for an economy is the *right amount* of inflation. Traditionally, this is around 5-8%. Steady inflation is generally a sign that your economy is growing, that people are spending more money. Too much and your cost of living rises out of control and eventually... |
Why is it easy for me to watch 2-3 episodes of Game of Thrones in a row but making it through a whole movie can be difficult? | In general, I think it's because we don't necessarily enjoy our leisure time incorporating education. When it comes to movies, you have to learn the ins and outs of a new set of characters and the universe they live in — which results in a very different type of storytelling to a serial that tells a richer, broader sto... |
When I uninstall a program using an unistallation .exe included in the program's folder, how is that .exe capable of uninstalling itself? | So a program runs when it is in memory . When you run a program, it is copied over from the hard disk to the RAM -- once its in the RAM there's nothing but operating system constraints that might force it to not be able to delete itself. In Windows, the OS doesn't let you delete files/executables if you're using them. ... |
What happens to eyelashes that get stuck below my eyelid that I never get out? | Your eyeball oozes, not as much as your nose, but it does, and that's why you wake up with sleep in the corner of your eyes. All that ooze flows out. Eventually, it's carried away by that ooze. Things on your eye only bother you if they start scraping the epithelial cells. Most of the time, they float above them on tha... |
What happens at around 7 years old to all of us that we suddenly realize we are all going to die? | I knew when i was four. I told my mom that for my 5th birthday, I didn't want to be five. When she asked why, I told her that if I turn 5, then I'll grow up and die. When she said that she couldn't do anything about that, I was stunned. I really thought she could stop my age just like that. |
Why do I never get the internet/download speed that I pay for? | One thing that some people don't realize, and maybe you do, apologies if so, is that the internet speeds are in mega*bits* per second, so if your service is 20 Mbps, then when you download something the fastest rate you should expect is 2.5 mega*bytes* per second. The second thing is that when you're downloading someth... |
How come sometimes (especially when I lay down to go to sleep) it feels like my heart is beating so hard (not fast) that it shakes my whole body? | It's very common with young men to be able to feel their heartbeats apparently. I can feel mine almost all the time. |
How do we get a still picture of Earth if it is rotating at 1000 miles/hour? | You have your camera moving at roughly the same speed. An easy way to demonstrate this is to get a camera and go stand outside and take a picture. Viola! A still image of the Earth as it rotates at 1000 miles per hour. A satellite, just by virtue of being 'in space' does not suddenly lose this velocity that you and the... |
What's the purpose and why do we have hair on our toes and knuckles? | Look at our relatives today, they have hair just about everywhere. It's what we naturally had for warmth before we were intelligent enough to invent clothing. |
What the big deal is with "Han shot first" | My Reasons: *1) It solved a problem that didn't exist. The amount of people complaining that Han shot first, or thought it was out of character, is statistically 0 per cent. *2) Unlike most of the effects and changes in the special edition, which were 'enhancements' of existing special effects this change fundamentally... |
How do some people sustain injuries, then recover with newfound language abilities? | None. It's impossible to recover a skill that you never had to begin with. There have been reports of traumatic brain injuries/strokes where the survivor comes out with Foreign Accent Syndrome where the person unintentially has an onset of new accent with their native language. I have had bilingual patients who have su... |
US Voting and Polling MEGATHREAD | Why does Florida need 60% 'yes' for medical marijuana as opposed to 50%?", 'ELI5: How did Republicans have such a sweeping success in Congressional and Gubernatorial races when they are so unpopular as a party? 53% of people had an unfavorable opinion of Republicans and only 36% had a favorable rating in this poll. Yet... |
What is this "bitcointip" I keep seeing here on Reddit? | Have a look in /r/Bitcoin. Bitcoin started up in 2009 as a completely decentralized on-line currency. It has numerous advantages over fiat, and no central bank or organisation controlling it. Bitcointip is a Reddit bot which allows people to quickly and easily send bitcoins to other Reddit users as a 'tip' - usually in... |
how come my rack light on my ship (Navy) takes forever to turn on when it's dark, but if I flash my phone screen light at it it turns on immediately? | Probably because it is a shit level fluorescent fixture with a shit bulb and over hour ballast. _URL_0_ When fluorescent fixtures are old they take a long time to activate the phosphors. Sometimes the bulb is has just leaked a lot of its internal gas so it does not work worth a shit. Replace the bulb, if that does not ... |
What's wrong with Comic Sans? | It was a system font in Windows, still is. And when word processing was all the rage in the 90's, Comic Sans was one of the few fonts available to choose from. So many people overused it for just about everything, especially for uses that it wasn't intended for. It means you picked a really silly font without giving mu... |
How do sports commentators (NFL, NBA, MLB) pull up random facts and stats so quick? | I'm currently doing it in high school for our football team. We prep everyday, so we have every stat there is for us somewhere. Usually, a stat will pop up and it catches our eyes and we have it ready to say whenever relevant. |
If the United States can dispose of dictators like Saddam Hussein and Osama Bin Laden publicly and not through assassination. What's stopping them from doing the same to people like Kim-Jong Un? | Osama Bin Laden was not a dictator. He was a terrorist and an international fugitive. The simple answer is something called a 'casus belli', which is an event that justifies a war. In the case of Saddam Hussein this was the supposed weapons of mass destruction, which it turned out not to exist. These can be many and so... |
Why aren't more customer service sections of businesses switching to live chat? | Live chat is great for the younger generation who grew up with and are familiar with computers, chat programs, and typing quickly. It's easy to forget, however, that there's an older generation who aren't nearly as comfortable with these things, and that older generation are also likely the ones to need the help of cus... |
High Frequency Trading (HFT), what it is, and why has it become such a scandal? | Basically, it's insanely quick automated purchases/sales that can process faster than you can. They can detect your purchase order, buy that stock , then sell it to you as your initial purchase. Super simplified, and I really hope someone qualified comes in here. If not, that's how I have had it explained.Here is my vi... |
As a British person who has never used or had dealings with Comcast, what is so bad about them? | I'm on TWC, not Comcast, but i could show you a video of what loading a YouTube video is like here. Or i could show you a jpg of a YouTube video player with the little spinning circle icon and tell you to stare at it for ten minutes because that would be the same thing. But hey, if i go to _URL_2_ i test at 30mbps down... |
If I enter the military as a private, how do I rise up the ranks to become an officer? | Not sure about other branches, but if you go Air Force there are several options to become and Officer during your time as an Enlisted member. Most importantly, talk to your direct line supervisor, and your chain of command, let them know what your goals are, they will likely know someone that has done what you're want... |
Why are women, who are now working, still entitled to 50% of their husbands earnings when they divorce? | She isn't entitled to 50% of the husband earnings. Each spouse gets 50% of the **family's** earnings during the time they were married.In most cases, the woman takes the children with her. Which means that they have to work less ** and pay more **.Are you sure that's how it works? I'd imagine a couple would first pool ... |
Why is Shooting a Deer in the Head a Bad Shot? | When people think head shots, they think human heads with human brains in them. A deer's brain is about the size of a fist, which means most of what is in a deer's head is *not* brain. Hitting something that small from a distance is a tough shot for even a good marksman. Heart/lungs/arteries in the chest cavity in a mu... |
Why does mist/fog get more opaque the further away it is? | Think about it like a forest. If you're inside a forest, you can probably see the area around you pretty easily, but at some distance away from you, there are so many trees around that you can't really see anything but a mass of trees. The thicker the forest, the shorter that distance. Same with fog.The fog "blocks" a ... |
Ebooks. How do they work? | This is dependent on where in the world you live, but another source of free eBooks would be your local library's website. There should be an online/media section which has instructions on how to set it all up on your devices. For example, [this] is from my library's website, but in order to do anything you'd need a li... |
Why do some substances say "Do Not Induce Vomiting"? | Some fluids cause damage on contact rather than by being poisonous. Many caustic fluids like Drain-O for example burn your throat on the way down and then on the way back up. While leaving them in your system forever would kill you we have the miracle of modern medicine called a stomach pump. Basically because it's les... |
What's the deal with Comcast? | Basically, their service and customer service is sub par, both compared to other carriers in the US, and especially to other nation's ISP's. In many areas, they are the only available ISP, and they are actively trying to buy out competitors. |
Why are there different methods of validating my debit card when making a purchase? | debit cards typically have a credit component as well . Usually when you use them you have the option to run it as credit or debit. If you run it as debit, you have to enter your pin. Most places prefer to run it as a debit because credit companies charge a fee to the store to process it. If it has the Star, Pulse, or ... |
How can I tell if a picture has been doctored or photoshopped? | Don't know what to say beyond it won't look *real*. In people, for example, look for perfectly smooth, even skin, perfectly toned/fatless bodies, and bright white teeth. People aren't perfect, photoshopped people are. Real people have marks in their skin, their teeth aren't precision straight and their body shape isn't... |
Roughly how much of the current economy is driven by metadata collection? | I have a friend who made an algorithm that trades stock based on Market sentiment.He works for a Hedge Fund group.But they use Big Data.I don't know how it works but yeah it does work!! |
How do electrical fires typically begin in the home, and what can homeowners do to help prevent them? | Typically, it's either an outdated appliance with a frayed electrical cord or a loose outlet. Putting in a lightbulb that's wattage is too high for a lamp is another, as are space heaters that are kept not watched. And for the love of god, please don't remove the ground from your cord, it's there for a very important r... |
Why do Australian accents seem so much closer to British accents than American accents? | I'm not a linguist but I am a brit who has lived in America for the past 14 years. I would say all three accents are about equidistant from each other. As I take on more and more American, I am more often mistaken for Australian, and when I visit England my old friends make fun of me for sounding like an Aussie these d... |
Why do doctors still use pagers when there are clearly smartphones and cheap cellphones around? | * Simplicity. Doctors don't like learning new things. * Reliability/Durability. Doctors are impatient and don't like it when shit doesn't work. * Speed. Doctors don't wanna have to dig through a dozen menus to get to a message stating some guy is gonna die in 30 seconds. * Battery life. Doctors can't often be bothered ... |
Why do Christians follow some Old Testament laws but not others? | The Old Testament pointed forward to the coming of the Messiah -Jesus Christ. As soon as He came it was not longer needed to follow it. Take for example this : in Old Testament times, the priests carried out animal sacrifices every day to make atonement for the sins of the people. But through His death, Jesus paid the ... |
What is the deal with India and toilets? Why does such a large portion of the country either not understand their usefulness or outright shun them? | > I remember reading an article a little while back about some family that got a toilet installed, but didn't use it and instead made offerings to it like it was some sort of deity. Because that news was bullshit. The people were 'welcoming' the toilet into their home and life. Indians do the same with new houses, vehi... |
If scratching our skin is generally bad for us, why does it feel sooooo good? | the trouble is that for the examples you gave like mosquito bites and rashes, the relief from scratching is only temporary. Scratching works by short-circuiting the nerve ending that is reporting the itch and it overloads and stops transmitting itch signals. But then it reboots itself and and then the itch comes back e... |
Why are the toes of my shoes off the ground? | As a random guess, I'd say it is because the end of the shoe is quite a bit beyond the end of your foot. So if it were flat, you'd trip over it all the time.As a complete guess, it makes walking easier; it lets you rock from the heel to the toe when you shift your weight whilst walking. |
What's the difference between flat footed people and people with arches? Why is it that flat feet is a disadvantage and was at some point a reason to excused from military service? | Back 100 years ago, most of the army marched from point A to point B, there weren't trucks or trains or airplanes. So if you had someone with lousy feet, you didn't accept them. You needed those who could march 25 miles per day, and flat footed recruits, it was thought at the time, wouldn't be able to handle that. |
Why is there fluoride in tap water? | The government is using fluoride to lower people's IQ's and take control. Also it makes you gay. Its a conspiracy, im telling you. |
How come there hasn't been a Dexter copycat killer? | The FBI currently estimates there are between 25 and 100 active serial killers in the United States today. They don't know who they are or their specific motive. Whose to say one of them doesn't use Dexter's MO? |
Why teams like the Browns and 76ers seem to always be awful, despite getting draft picks, etc? | Several factors work together here to help them stay awful. First, when they do get good draft picks, the good players leave as soon as they can because they don't want to be on a bad team. Second, there's the whole attitude thing. Some players are going to start thinking that they stink because they are on that team, ... |
In the Star Wars universe why would someone want to be a sith? | Also, sith was a heritage in the Old Republic times. Having sith ancestry pretty much forces your hand, at which point you were taken to Korriban and trained . So you really didn't have a choice in the matter depending on where you were born. |
As a pregnant woman, why should (or shouldn't) I worry about higher levels of EMF in my home? | You have nothing to fear from reasonable levels of EMF; unless you are standing in front of a microwave transmitter or something it does absolutely nothing. There is no proven or even plausible link between low level EMF and any health impact. If you aren't burning then it is essentially harmless. |
Why do people outside of the US pretend to be hit by drivers. | It's a scheme to make money off of the person that hit you. People who do this usually target nicer looking cars to get the most money out of it. The funny thing is in the U.S. the reason people don't do it is because of our poor health care system. It's not worth it to jump in front of a car which may or may not hit y... |
Why biting fingernails/skin, or chewing lips is such a common response to anxiety, worry or fear? | Someone with lifelong anxiety issues here. For me, when I get really anxious, I feel like I have all this energy that needs to be released. I can't be still. Biting and picking at my nails gives my hands and mouth something to do. I'm also willing to give credence to the theory that nail biting/lip peeling/lip biting/s... |
why do superheroes wear capes? A piece of clothing that hasn't been in fashion since the early 1900s. | Why do they wear tights? It's because it all throws back to the early days of comic books. |
what happens when you get your penis broken while it is erect. | First, I cringed and started writhing in pain while holding my junk reading the title. Second, I wondered this same question a few months ago. To this day I don't know why I did, but I found this really helpful: [Warning: NSFW and, if you have a penis, NSF Your Mind] So basically there's a loud pop, your penis goes fla... |
Why do sandwich bags come closed when you're going to always put something in them? | it's probably easier to ship them that way, and with how the seals are attached to the bag having them shut is easier to make than open. it's like putting a zipper in pants: easier to stich in properly when they're zipped together than apart and hoping it matches up. |
If schedule 1 drugs cannot be used for research how do we have medically-available drugs like meth and heroin? | Methamphetamine is Schedule 2 , not Schedule 1. That's why methamphetamine hydrochloride is an FDA-approved prescription medication. |
In courts, why is admitting guilt rewarded with a more lenient punishment? | It all comes down to money and win / loss record. For instance: Scenario 1: a district attorney gets a case and it's a slam dunk no questions asked you are guilty. However the charge is something like stealing copper, or writing a bad check, they may offer a plea deal just to save the state/county/city millions of doll... |
How much trouble is Edward Snowden in? | > Could he ever live a normal life again? Depends on your definition of normal. A presidential candidate could run on a platform of pardoning him, win, and then do it, or a civilized country could offer him political asylum, both or more. He will likely remain something of a celebrity his entire life, but not the papar... |
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