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Why do people have favourite colours, and for what reason is my favourite colour different to someone else's?
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personal aesthetics are a complex issue. why one person likes a song or color or food is not really explainable other than that it happens to be what they like. sometimes people have a reason for liking a color. "i like red because fire trucks" "i like blue because ocean" but for a lot of people it is "just because" so there is no answer to your questionPeople like to make their own identity and as kids we like to decide what color we want to identify with. Kids might base it on just the way they feel one day and then they stick with it to be consistent.
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Why is Indian food so spicy? why people in hot climates tend to eat spicy food?
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Spicy food in hot climates causes you to sweat, which, ironically, causes your body to feel cool. Spice was never used to cover the smell of old meat. If you were wealthy enough to afford spices, you can bet you weren't eating old meat. Besides, spices were too valuable to just dump on meat. What little you had would be used very selectively. "White people" have no special aversion to spicy food. However, spicy food is an acquired taste that you develop and Caucasians/Northern Europeans traditionally don't use a lot of spice so they often aren't used to it.It's a bit of a myth that rotten meat was common back in the day. Meat was either eaten immediately after slaughter or preserved in some way . Meat simply wasn't allowed to spoil. People valued spices for the same reason we do today, because they taste good.
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How do Bionic limbs function?
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The go to way is to take a bunch of sensor units, attach them to whatever muscles are left in the stump, and convert their muscle movements into electric signals. These signals are then used for rather rudimentary commands. Hand prostheses for example are either "pull to open" or "pull to close". If you don't pull, the prosthesis goes back into its default. Imagine that your hand was always closed, but would open when you flex your biceps. Something like this. Now, ever amputation is different. Not only does the prosthesis have to be fitted neatly on the stump of the patient, it also has to be done in a way that it stays in place, but without putting to much wear in the stump. That's one reason for why they are tailor made. Also, in each amputation different muscles in different places will be retained. You need to check where a clever place is to actually put those sensors mentioned above.
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Jupiters Great Red Spot and why it has lasted for such a long time?
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Jupiter's Great Red Spot has been around for as long as we've been able to SEE Jupiter with the first telescopes. Some of the main reasons its lasted for so long include the fact that Jupiter is a ball of gas that slowly becomes denser as you descent into it. There are no mountains to collide into or plains to dissipate its power. Just atmospheric currents to further fuel it or sap a bit of power here and there. Secondly, Jupiter radiates more heat than it receives from the sun, which is opposite of Earth. Our storms are driven by solar power. Jupiter's are driven by the heat of its gravitational contraction, which has been going on since its formation. Its theoretically possibly for there to have been GRSpots on the face of Jupiter since its creation, though probably not the one we're looking at now. TL;DR: Jupiter's GRS couldn't form on Earth and the storms are powered by inverse processes. Earth's are solar-powered and peter out when they hit land. Jupiter's comes from continual interior heat on a landless planet, which is why its so long-lived.
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Why do most single-vitamin supplements cost the same amount as a multivitamin containing the the same vitamin, plus many more?
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My best guess is that 90% of costs is in the manufacture of product, packaging, and distribution. The cost of vitamins raw materials are very very minimal.
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Chrysler is currently requesting a subsidy from Canadian federal and provincial governments in return for expanding investment. Why do profitable private corporations need government subsidies?
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Chrysler: We need a new factory, we could put in in Mexico, or we could put it in Canada .Mexico *is* cheaper Canada: Here's some money, pick me! Pick me! Chrysler: Well, if were to put a factory in Canada, we could put in in Quebec, or we could put in in Ontario Quebec is Ontario: Here's some money, pick me! Pick me!
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What does the US spend tax money on? How does it compare to other countries?
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First, some perspective. The total budget of Canada is 279.2 Billion Canadian dollars . The US budget is 3.77 Trillion US Dollars. In other words, the US budget is more than 13 times the size of Canada's budget. The US spends more discretionary money on the Department of Defense each year than the entire budget of Canada. We spend nearly 80 Billion on health services. 70 Billion to the Department of Education. 60 Billion to the Department of Veterans Affairs. The list goes on and on. And that is just discretionary. More than 60% of the US budget, or more than 2 Trillion Dollars, is "mandatory spending," or spending that does not need to be appropriated. The largest of these are Medicare and Social Security, which together account for about 1.5 trillion dollars.
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How is mandatory overtime legal?
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The U.S. Fair Labor Standards Act does not limit the number of hours someone can work in general. There may be state laws ) or occupation-specific laws that do. The FLSA only requires time-and-a-half pay for hours worked over 40, if the employee is not "exempt" . The idea is that paying time-and-a-half is supposed to be economically disadvantageous to employers-- it would be cheaper to hire a new employee for less rather than to require employees to work for more. But sometimes that's not the case, or sometimes hiring someone else is not convenient. So employers can force employees to work overtime. If the employee is forced to work so much that they can no longer do their job safely, other entities, like OSHA, might get involved as well.Put simply it is [because the FLSA doesn't make it illegal]. While the goal may be a 40 hour work week for hourly employees, there is no regulation requiring it.
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Who keeps maps up to date?
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Google, and other mapping companies, of course have a group of workers to update their own maps system, but there is no way a small group of either can keep up, so that's why users can report bad/missing data. Google also has Map Maker, where people, like myself, can contribute to add and review roads, businesses, etc. I have added new roads in newly built subdivisions, I've added buildings, businesses, walkways at my university, etc. Now, the company that made the subdivision can add it to Google if they want to. If you own a business, you can upload your floor plans to Google so that you can see the layouts not Google Maps, from stores like Home Depot and Lowe's to whole shopping malls, no more need to wander around and look for a directory. For the property lines, Google gets this data from a 3rd party.
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What authority permits the US National Guard to be deployed overseas?
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Article 1, Section 8 of the U.S. Constitution also authorizes use of the National Guard under continuing state control but in the service of the federal government to "execute the laws of the Union, suppress insurrections and repel invasions." The premise behind the national guard is that state governors have direct control in assessing what are the needs and demands for its usage. However under certain specific instances the president can pull the trigger and enforce that the national guard must be deployed. In the case of invasion governors would no longer have explicit control of the national guard - the president would. In today's age we live in a very federal government-focused society, as opposed to an age where state's rights are clearly defined, defended, and respected. You can expect Obama to pressure governors to deploy for the purpose of defending America from Ebola spreading here any further than it already has. Either that or he will boldly attempt to usurp any control of the national guard away from governors. We are America, we defeat deadly viruses with soldiers & guns apparently :)I would assume that this would fall under either voluntary order, or Presidential Reserve Call up. Which is basically a fancy way of saying, if the president and his team think a certain situation calls for federal aid he can send the guard. There generally isn't much of a problem getting enough volunteers to go on missions such as this one. I know in my unit, there have already been talks about individuals trying to get over there to help out. I know that doesn't exactly answer your question, but I do know that when the national guard is needed we become federalized for our time overseas/on orders and aren't "technically" under the state. Drilling status is by state, deployments are federal. Hope that helps a littleThe National Guard is deployed pretty often, really. It's typically justified under "repel invasion" and they're utilized as Army units . They're just also deployed to help in situations domestically.
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How come we never taught birds of prey to fish for us?
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We do. Chinese fisherman have been using comorants to fish for thousand years. But it's highly inefficient compared to netting.
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Cancer , how does it attack the body , and why haven't we found a cure yet ?
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Cancer is when a part of your body grows uncontrollably. Normally the result is piece of your body that doesn't actually do what it should called a tumor. There are LOTS of different cancers because "uncontrolled growth" is a pretty broad category. Because it presents in so many ways, and is rooted in our actual DNA being messed up and causing our own body to mess up we can't really apply cures what work in other fields. We cure bacteria by putting antibiotics in our body to kill it. We prevent some diseases by exposing our bodies to dead or weak versions so our built in defenses can get stronger. Cancer is our own body so these approaches don't work. Obviously more complicated but I don't know how to expand and still ELI5.Because Cancer is not just one condition. It's thousands of different conditions, having thousand different causes and effects. Cancer describes only a phenomena by which cells start to clump together uncontrollably creating potentially dangerous tumors. And we found a cure for it. Cut it off, or bombard it with poisonous radiation. But that is like saying cure to all wars is stop killing people. Which is in theory correct. However the details start to get tricky. What if the cancer is in the area where you can't cut it off, nor poison it via radiation. Well then you need to force organs to kill it off. And when your organs can't, then you need an immune system to start treat it as hostile organism. And countless other different solutions for dozens of different kinds of cancers. Some have no solution with our current level of technology and knowledge. Simply because no known cures works.
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Why do need to be taught to lift with our legs and not our back? Is lifting with our back a learned behaviour that we need to unlearn?
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Upright standing is a very recent condition for humans on an evolutionary timescale. Our spine isn't that much different from our primate ancestors, who had horizontal backs, and therefore adapted to carry weight in a very different way. This is the root cause of most of our back problems. However, our instincts haven't changed much since then either. Bending over to pick something up feels natural because that's basically the position our ancestors were in all the time..
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what is the purpose of the US Congress forming a committee specifically targeting ISPs and the migration to IPv6?
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Committees are used to study a specific issue, and draft the first forms of a bill before they open up to general voting/debate. They are specifically targeting the issues of ISPs because of the FCC choosing to get rid of Net Neutrality.
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- How can you make a profit on a tuna or bluefin when buyers bid up to $1 million for one fish?
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If you were a millionaire, how much would you pay to eat just a meal of a species you know is about to become extinct? If money were no object and somebody offered you a bit of dodo, what would you pay? There's a cachet to it, even if it's a bit abhorrent to most people. So you have 200kgs or more of fish. You only need to sell it at $50,000/kg to make a profit. That for very, very high quality bluefin is not impossible, and even if you decided to take a loss on it, think what it says about your restaurant
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How does our body read data (genes)
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Genes are made up of sequences of four different types of bases: A, T, G, C. You may have heard that DNA comes in two strands, the double helix. One strand binds to the other strand through matching up bases to their "complementary base" on the other strand. An A on strand will bind to a T on the other, G to C, C to G, and T to A. When a gene is being analyzed, the strands are pulled apart and specialized proteins build a *new,* shorter strand out of a substance similar to DNA called RNA. The strand is built on the principle of complementary base pairing, and is packaged and transported away from the DNA once the copy is complete. Once the copy is made, it gets picked up by a "ribosome," a little cellular machine. The ribosome looks at the base pairs in sets of three . Using complementary base pairing, it builds a protein. It can do this because it has access to amino acids, the building blocks of proteins. Each amino acid has a chunk of three bases attached to it that are specific to the type of amino acid. The ribosome matches each codon to the corresponding amino acid, and moves on to the next codon. The amino acids are strung together in a chain, and when the process is complete the chain folds into a protein. Once the protein is complete, it performs a function based on its shape and what amino acids it's made of.
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Do water pressure valves actually reduce water consumption?
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Depends on the application. Probably works in the shower if you don't change how long you shower. But for static uses like your toilet, it will just take longer for it to fill. Its still using the same amount of water. People used to stick a brick or something in the tank to reduce the amount of water it uses. But this is back in the day of the 5 gallon tanks. With the smaller ones now, putting a brick in there may severely impair the ability of it to flush. It may help a tiny bit when it comes to stuff like showers. But to a toilet, or if you're filling a pot with water to cook, it'll just take longer to fill. And in a shower situation, it may take you a little longer to rinse your hair, for example. 30% seems a bit high though for household stuff. For landscaping it may make a major difference as long as you don't change the watering times. The only issue is that the sprinklers may not cover as much . But for things that use a set amount of water the consumption will be the same. Depends on what you do with it.
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Why is it on hot days, I can stick my hand out a car window while driving and feel a cool breeze?
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The air outside the car isn't at 100% relative humidity. There's room for it to absorb more water by evaporation. So as you stick your sweaty disgusting paw out your window, the water on your nasty mitts gets evaporated quickly as it is exposed to a great deal of air in a hurry. Evaporation causes cooling, so your hand cools down.When you feel hot or cold, you aren't feeling the temperature of the air, you're feeling the transfer of heat from your body to the surrounding air. When you feel cold, you're losing a lot of heat. When you feel hot, you're losing less heat. Moving air absorbs a lot more heat from your body compared to still air, because you're not touching the same air molecules that you were a second ago, so the air never gets "full enough" of heat that it can equalize.
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Why is Google not providing external sd card support for the nexus, moto g etc?
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Google Drive. If you don't have local storage that gives you more incentive to put your files in Google's cloud.
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Why drones are so prevalent right now. What tech breakthrough occurred to make them so common and versatile all of a sudden?
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Probably the driving factor was the reduction in the price of accurate gyroscopes, which keep the drones oriented correctly.
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How does the Fight Club "soap-bomb" work? Is it really possible?
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In the movie it was a fake way to make explosives but in the book it described a real way to do it. They changed it in the movie adaptation to keep peele from actually doing it', "You could use the glycerin from soap as one of the building blocks to making dynamite. Homemade dynamite is unbelievably dangerous & the federal government has a system to track who's buying what from chemical supply companies in order to find anyone who's buying the chemicals needed to make large amounts of explosives/meth/whatever. So it's possible but the most likely outcomes would either be that you'd blow yourself up or that the ATF would be rolling up to your house with a tank.
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Is sleeping with "one eye open" possible. Could your vision work while you're fast asleep?
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No, that's just an expression. You can't literally do this. The expression means to sleep lightly and while some people *might* be able to semi-consciously sleep "lighter" on some occasions, most people have no control over that. Interestingly, some animals only have half of their brain sleep at any given time, so that they can still breathe while sleeping. It has been found that this phenomena is more common than we thought, and some animals use this method in order to stay alert while sleeping. But, as I said, humans do not share in this ability.
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My six year old daughter just asked what's beyond the edge of outer-space. I have no idea how to answer. Help?
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A common misconception is that the universe is like a bubble or a balloon, this is due to the somewhat related analogies such as "The universe is expanding!" and so we think to ourselves, "Well, it must be expanding into something!" Or that we live in the world, which is in space, so "Space must be inside something!" It's a difficult thing to imagine. It is itself, it isn't inside anything. It is bound to itself so when we travel in one direction forever we can end up right where we started. There isn't a way to study anything \'outside\' the universe as the question doesn't make sense. The concept of \'outside\' can't apply here in the everyday sense. Also, remember that the universe is expanding, so for our intents and purposes, we study what is called the *observable* universe - this is the part of the universe that we can see, because its light has reached us. But there is more beyond that since the universe is expanding so fast. We can't see those parts and so it isn't dealt with normally"We don't know, maybe you can grow up to be someone to help us figure it out."', "I've been to the edge. Just looked like more space.
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Can smoking related diseases be noticed before becoming full blown?
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This is a tricky one. I guess it depends what you mean by noticed. Let me preface this by saying it seems any consumption of cigarettes causes an effect on body tissues. It is noxious and causes a response. The end diseases we associate with smoking, at least personally, are emphysema, lung cancer, and heart disease. Emphysema, or its early manifestations can be picked up early. Shortness of breath on exertion and such. The problem with most of these things is our bodies amazing capacity to cope and the inbuilt physiological reserve we have. In the lungs this means we open more airways when we don't have enough oxygen because of emphysema or cancer. So you don't really notice the deficit. In heart disease it is much the same. Most of us are only using a percentage of our overall cardiac or respiratory capacity. So when there is a problem our body just works a bit harder. This causes some other problems. The chronic use of most cigarette smoking means that there is also continually irritation and injury meaning nothing gets a chance to recover properly either Very basic over view. Hope it helped
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e^i*pi + 1 = 0
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This is a special case of Eulier's formula: e^ix = cos + i*sin Because sin = 0 the imaginary component disappears and you're left with cos = -1; adding 1 gets you to zero. It's a mathematical coincidence but a pretty cool one. _URL_0_
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What defines something as edible or inedible? How is this determined?
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Can you eat it and not die, get sick, or gain some nutritional or functional benefit? Then it's edible. Plastic isn't edible because you can't absorb nutrients from it or use it as food for long. mercury isn't edible because you'd die pretty quickly from mercury poisoning. Bread is edible because you can sustain yourself on it Poison ivy isn't technically edible because, well, it's slightly poisonous. . Basically, something is edible if it is fit to be eaten without negatively affecting you.
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Why would a company sell stock and buy it straight back?
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Sell when it's high, stockholders may start selling too which can bring down stock price, buy it all back again. Profit.
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Why can you replace only the glass in some phones and you have to replace the full display on others?
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On some phones, the screen is bonded to the glass. This was done supposedly to achieve a clearer image, having less material and an air gap between the top surface and the display. So rather than use a heat gun to carefully separate the screen from the glass , I usually just opted to go the easiest route and replace the whole unit. It’s usually not that much more expensive anywayA touch screen screen is composed of three layers, which are basically all glue together. 1-Glass - Protection layer, Top layer2- Digitizer - detects where your finger has touched on the screen, Middle Layer3- LCD - produces the image only, Bottom Layer You can replace the glass on any phone if you can do it without damaging the digitizer and LCD when trying to remove just the glass. With the design on some phones is it easy to remove just the glass without damaging the other layers. On other phones like the Samsung S7 Edge it is close to imposible to do this. To replace just the glass on iphones you will need special equipment to install the new glass. Also, like someone commented here, the cost for the whole touch screen, not just the glass, it is only a bit more, so it makes no sense to go through so much work and run the danger of damaging the Digitizer and LCD, no to mention the time you spend compared to just replacing the whole screen
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What is the process they use to teach deafblind individuals, like Helen Keller, to read and write?
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Well, first they have to learn how to communicate in some nontrivial way . Once they have learned some such way, learning another such way is a straightforward process - they can then have the new system explained to them. In Helen Keller's case in particular, Anne Sullivan first taught her to communicate by running her fingers over Keller's palm in certain patterns and giving her the related object. For example, she 'd spell out "D-O-L-L" and then give Keller her doll. Of course Keller at first didn't understand this or even the point of it, but eventually she figured out what Sullivan was trying to teach her. Once that major breakthrough was made , nothing held her back. [Here] is a fascinating video that's not exactly what you're asking about, but strongly related. It's a video of Sullivan and Keller, with Sullivan describing how she taught Keller to "hear" spoken language and to speak herself , and the both of them demonstrating the process that they used.
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if you need yogurt to make yogurt, how was the first ever yogurt made?
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You don't actually need yogurt to make yogurt. The acidophilus bacteria needed to make it occur in the stomach linings of most young mammals. Cheese and yogurt could be made by accident if you carry milk in a bag made from a lamb, calf, or kid stomach and bump it around in the hot sun. Please don't try though!
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Why does a refrigerated can of juice take so long to return to room temperature after it has been removed from the refrigerator?
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There are no stupid questions. Only stupid people.It doesn't take long at all. It takes just as much time as it's supposed to. How are the cans situated? If they are bunched together the outer ones will insulate the inner ones. If they are in a row with gaps in between, they will warm faster, but things like temperature equilibration happen with quite a predictable nature based on a few parameters.
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What stops someone from opening the emergency exit on a plane?
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Their feeble human muscles. Doors on jets are designed so that they have to open inward before they swing outward. That means that to open them, you have to be strong enough to overcome not just the weight of the door, but also the difference between the pressurized atmosphere inside the plane and the low pressure air at 10 or 30 thousand feet. I've seen estimates as high as it being equivalent lifting 1,500 lbs.
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How come all these amazing breakthroughs I see in articals such as cancer treatments and battery advancements just seem to disappear and never to be heard from again
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Because by adding the phrase 'amazing breakthrough' to an article, they've made you more likely to read it. But in most cases the article either describes an idea someone had that may or may not work and hasn't been tested yet, or a single step in the right direction on a path with millions of steps to go before that battery advances, that cancer gets cured, or that frikken shark gets a frikken laser on it's head.
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Why do little kids elongate words (such as drinky, milky, nappy, etc) when you would think its easier to just say one syllable?
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It comes from parents usually. The parents use it as it's been shown to help kids learn, specifically the repetition. Parents probably won't say "milky", they'll say "milky milk", it helps little kids learn easier. From that the kids shorten it to just "milky" since that's the first word.
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Why is it so much more expensive to send texts and make phone calls internationally?
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The string that ties your tin cans together gets really expensive when you get further away. In reality, because they can* 1. because they can -- goods are often priced at what people think it is worth, not a fixed markup. * 2. A call may have go through several different networks to reach its destination. Each network wants a small cut for using their wires. PS Skype and Facebook video is free worldwideHistorically, that used to be more expensive. Nowadays, everything goes over either old lines or over the Internet, so there is no barrier between borders. It is currently nearly 100% arbitrary and purely for the sake of making you pay more for the same.- Cost of upkeep of the lines/infrastructure, landline and data, by the providers in their areas- Peer agreement costs- Local provider costs on top of your provider's costs All of these costs are either subsidized and/or passed to the customer.
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What makes it frowned upon for OPs to respond to their own post?
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The interwebs culture views it as spammy. Use an edit to your original post instead. After someone replies to your OP then it is OK to respond with one new post.
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How do tribute bands not have to pay royalties?
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Tribute bands that play only at venues that have contract with a licensing agency are covered by that for licensing. Or, a really popular tribute band may have directly handled the licensing. Many cover bands, however, are performing illegally, and just hoping not to get caught. A small bar band isn't likely to be noticed. if anything, the venue is more likely to be fined. Here's an interesting paper done on this:_URL_0_", 'Legally you must have a license to perform a copyrighted song. The right to license public performances are almost all held by one of three "performing rights organizations" . The venue usually takes care of obtaining the license and often does so in a package deal . If you're playing at a nonprofit venue, such as a church or school, you may be exempt from having to pay for the license.It should be noted that tribute bands can't release a recording of them singing copywritten music without them paying a royalty to the original song writter.
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Difference between bisexuality and pansexuality.
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Seems to me that the difference is very nuanced. Bisexual means being attracted to both males and females, while pansexual means being attracted to any human, the difference being that transgendered or in between gender people or whatever are included on the pansexual menu while they are not specifically included for a bisexual. It is confusing because we think of bisexual as being attracted to either men or women , or males and females , so I suppose there could be a bisexual person that is only attracted to men and women but only the male sex, while all pansexuals are attracted to men and women who are either males or females or in between.
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If California is running out of water, why do we continue to allow industrial agriculture to continue creating more and more water sucking farms to turn a profit and ship goods out of state?
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It's not obvious to me that there is actually a trend of new farms sprouting up. The place to look would be [USDA statistics]. We don't have the numbers since the drought, ie the difference between 2014 and 2015 yet. If this is really going on, it doesn't look to me like part of a long-term trend: there were 77 900 farms in 2013, as opposed to 76 400 farms in 2014. Total land in farms was unchanged, at 25.5 million acres in both years. Looking back a few years: there were 77 900 farms in 2012, with 25.6 million acres of farmland; 81 500 farms in 2010 and 2011, with 25.4 million acres of farmland in both years. There seems to be a trend of fewer farms, but bigger ones on average, since 2010. If new farms are indeed being established or new farmland being used, that'll appear in next year's statistics. TL;DR: Too soon to tell if this is even happening.Because it's necessary for the survival of the united states for California to continue growing food? "California is running out of water" because we need the water for industrial agriculture. Yes, we're running low on water in general, but the impact on our economy as well as on the welfare of the nation from furthering restrictions on farm water use would be disastrous. Drinking water and bathing is a fraction of the water usage, the main need for water is for agriculture. And industrial agriculture is already restricted to how much water they can use. They're upset about it too. Drive down I5 and you'll see farms with big signs protesting that they're not allowed to use as much water as they 'd like. ', "What's wrong with shipping goods out of state?
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How did racism begin if no one is born/inherently racist?
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Humans are immensely tribal in nature. We are comfortable in our own groups and hostile to people from outside our groups, because we don't know if they can be trusted. So, it's probably a more accurate statement to say that people are by nature xenophobic, and all sorts of hostility arises from that. Skin color is just a really easy way to label someone as different and allows a simple target for that hatred and fear.
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The difference between all of the programming languages, and what they are used for.
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There's a lot of languages , explaining all the little differences is beyond the scope of an ELI5. In short, when you're designing & implementing a programming language, there's going to be trade offs. The biggest one is between how easy the language is for the computer to use vs. how easy it is for the programmer. For example, [if you compare C++ and Ruby] you'll see that C++ is much faster & uses more less memory, but Ruby requires fewer lines of code. Less code means a programmer can get more work done. For many applications, programmer time is more expensive than computer time. As I said, you're question's pretty broad - what is your interest in this? Are you just randomly curious about programming languages, are learning or planning on learning to program for fun? Are you considering studying computer science and/or going into a career programming? You won't get all the answers at once - there's too much to learn & without some background, it wouldn't make sense in the first place. Just work on small pieces & you'll pick the rest up gradually by exposure.
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How does your body remain its form and know when to stop growing?
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It sounds like someone found Reddit as an easy way to answer some Biology essay questions I can't answer all of your questions, but the reason we have a defined form is a process called Apoptosis, or "Programmed Cell Death". It's a process whereby cells actively Stop growing in certain ways to define shapes such as our fingers and toes, and why we aren't just a massive blob of insane amounts of flesh.
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If a mother is vaccinated against a disease, why doesn't her child get that immunity in utero?
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They do, actually, but only in some cases. When a person gets vaccinated, they produce antibodies against an organism. Antibodies are proteins, and they come in many flavors. IgG and IgA are two types that can cross the placenta, but IgM can't . Unfortunately it isn't possible to make IgG producing vaccines for every pathgen. You must also consider that these immunoglobulins only last for a while. They are proteins, not living cells, and thus they are unable to replicate themselves. Eventually the baby will lose this immunity, so he needs to get his own vaccine. This way he will teach his immune cells to make the antibodies, and as in other things in life, what is truly learn is hardly forgotten.
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Why does your throat get so sore when you're sick, regardless if you have a cough or not?
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Most sore throats come from the irritation of your sinuses draining, not from coughing.It's drainage from you nose, it can irritate your throat.
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How does wireless phone charging work?
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Electromagnetism. When electricity flows through a wire, it generates a magnetic field perpendicular to the wire. Basically to create a wireless charging system, you reverse the process: create a magnetic field that induces electric flow in the wireless charger on your phone and that electrical flow charges the batteryInduction. By putting electricity through a copper/conductive loop and alternating it back and fourth it creates a magnetic field that alternates back and fourth. Put that up next to another loop and the alternating magnetic field causes the electricity to flow in the other loop.
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How does one fix their standing/sitting posture?
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I assume you're talking about hunched shoulders--that's the main problem that people have. It's usually just a result of attitude and habit, not a medical problem. I know that correcting your standing posture will help correct your sitting posture, so I'll target standing posture in particular. A lot of it is confidence. When you walk, take up space. Be in charge. Swagger a little. When you swagger, you pick your head up, stand taller, and push your chest out . Arch your back backward a little too. You'll feel it in your lower back. Do this consciously for a while, and then it'll be come second nature. You'll know you've succeeded when people tell you that you walk like you have a stick up your ass. Your friends will make fun a little , but people notice someone with good posture. It speaks volumes about their confidence. Good luck!
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How come going a certain speed on a roller coaster feels more intense than traveling in a car at the same speed?
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While the speed of a roller-coaster may be the same, the quicker change in the direction of the speed cause more G-forces to be felt by the rider than while travelling in a car.
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How do humans and other animals “feel” and predict changes in the weather? i.e rain.
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The pressure changes with the weather, low pressure usually means rain. You know how you ears pop when you go up in a plane because of the high pressure. This is the same idea but with a change to low pressure. Some people who have achy joints can feel the pressure drop because there isn't as much pressure around their body from the air. Some people can "smell" rain if the wind is carrying it toward them. The same idea is for animals as well.Mammals have a ton of different sensory capabilities, not just the five we learn about as children. Weather changes like rain are usually accompanied by drops in barometric pressure and temperature, as well as an increase in humidity and even changes in ambient smell. More extreme weather changes are accompanied by more extreme changes in the air around us, and so we're even more tuned in.
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Why moving air feels cold
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The most energetic particles of water on your skin evaporate from liquid to gas, taking away their energy from your body and lowering the overall kinetic energy of the water on your skin. This is how heat transfers from skin to sweat, to water vapor. If the air is moving, it more effectively allows water to evaporate because it's constantly pushing the vapor away and replacing with new, dry air. It's easier to water to evaporate to dry than humid air. So a breeze in a super humid area won't feel so cold.
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Why does shampoo made in the US have English and French translations as opposed to English and Spanish?
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Canada has laws that products must be labeled in English and in French. Most US manufacturers also want to sell their items in Canada, so they just make one label for both countries. Most US manufacturers aren't trying to sell their products in Mexico, so they don't have a Spanish translation.
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Why is my eyesight blurry when I first wake up in the morning?
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Most likely they're very dry. Blinking a few times and creating tears should clear it up, if not, then artificial tears/saline should do the trick.Sorry for english in advance,dont know some of these terms releted to eye sight. When you're sleeping,your eyes are relaxed.When you wake up,the muscles in your eyes have to activate to compensate for your bad vision. When they do,you see "better". Thats why people that start wearing glasses see "worse" when they take them off. While wearing glasses,their eyes dont have to try hard to compensate for bad vision,when they take their glasses off,eyes have to try hard to present you a clear picture,and it works,but it puts strain on your eyes,and if you dont wear glasses,your vision will become worse. Get your eye sight checked,dont be in denial. "My eyesight is fine" - No,your optician will tell you if its fine or not. I was in the same situation too.
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Why do we touch our forehead when we did something stupid?
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We don't all necessarily do that! Touching your forehead when you make a mistake is not universal, it is cultural! As a child, you may see your mother touch her forehead after an incident and you copy it! But for another child, say in a far off country, the child might observe his/her mother putting her hand on her waist, or stomping her feet, or a variety of different actions. That child will copy it and hold that as his/her cultural norm. Where I am from, we virtually all say "achoo!" when we sneeze! However, as I traveled the globe, I have learned that this is not universal. How you sneeze is cultural! Different societies make different noises when they sneeze!I 've always thought it was because we don't want others to see our expression of shame when we realize we did something wrong. Touching your forehead will cover your eyebrows and eyes and prevent others from being able to interpret your expression. Some are empathetic enough to have such expressions when they see others making mistakes. They'll want to touch their forehead to prevent others from seeing their own expressions. This is a "Facepalm" in internet-speak. This permeates to other situations you may not expect, too. For example, my wife often touches her face when she's going around a corner while driving. What might I learn about her from this behavior?', "Instinctual reaction to shame. We bow our heads and cover our faces without even thinking about it. This behaviour can be observed in other primates, and I've even seen my dog do it .
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When the roof of your mouth and the inside of your ears get itchy from allergies, and you can never seem to reach the irritated area, what is it that is actually itchy?
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Histamine release. Your body produces histamines, which causes redness and itching when it triggers from thinking your body is being invaded. That allows your white blood cells to travel easier to remove the invaders. Histamines are produced all over your body. It's like the redness you get from eating niacin on an empty stomach. It's why antihistamines prevent the issue, since they block the production. I don't know why it especially affects certain body parts; perhaps someone else can answer that. But that's what causes it.It actually is the inside of your ears, way back in the back of your throat where your eustachian tubes come out.
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The division between Noam Chomsky and Daniel Everett regarding "universal grammar."
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Chompsky points to the fact that no one ever sits you down as a child and says "verbs work like this, sentences work like this " the way we do with math and such, but all kids learn language perfectly. Because of this, Chompsky believes that out brain has a set of grammar which we are born with, like settings on a new computer. When we hear our native language, it changes the "original settings" to the rules of the language we hear. Like, your computer needs a default font setting, and you set it when you boot it up for the first time, hearing your language for the first time tells your brain "Hey verbs conjugate like this". Hope that helps with Chompsky's stuff.Can anyone give me an explanation of their disagreements? [evilerdave] did a pretty good LY5 job. And maybe what kind of repercussions it may have? It effects how we evolved. If we have built in grammar, a part of our brain must have developed to deal with grammar. This would be an interesting fact of evolution. If effects how we treat disorders. Certain language deficits involve not being able to form grammatically correct sentences, but you can still get the right words out, and vice versa. . If Chomsky is right, that is a neurological issue, if he's wrong it's more psychological. It effects how we teach language. If there is a universal grammar, and we figure it out, we can teach humans the rules of universal grammar, and build rules for specific languages on top of it. Presumably Chomsky would predict this would be a better way of teaching language. It effects AI-language research. If there are universal rules to language, they would have to be programmed in to a computer before it is able to do language. If there isn't, and grammar can be learned, we need to figure out a way of figuring out how it is learned, and program that into a computer. This is above LY5 level perhaps, if you want simpler English , I could perhaps give it.
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Why is it that data is always unavailable for Greenland?
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Greenland isn't an independent country, for starters. It's still part of Denmark. Considering that it has a population of 60,000 people, using the same data as for Denmark proper wouldn't be an accurate representation.
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How do meteorologists predict temperatures?
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They track past temperatures when conditions matched the current conditions and see what patterns emerge. They use those patterns to make educated guesses about what is going to happen in the future. Pretty much everything in weather forecasting works that way.
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Why Are certain areas said to be not habitable for "centuries" due to a nuclear accident, but places like Hiroshima are habitable?
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Different kinds of radiation. Bombs like Hiroshima generated a lot of quickly dissipating radiation, and very little long-lasting radiation. The Chernobyl reactor, on the other hand, put out lots of long-lasting radiation and very little short-lived radiation. I don't know enough about the topic to be more specific, but that's my understanding of it.Hiroshima was hit by a relatively little nuclear material, with an air burst that sent most of the bad stuff into the atmosphere. Chernobyl had tons of nuclear fuel, and all the bad stuff was contained inside. Also, there is a difference between "uninhabitable" and "will have elevated levels of radiation" for centuries. Most of the bad stuff is gone after a few decades.Due to the amount of radioactivity. A meltdown, like at Chernobyl or Fukushima, occurs when the reactor is not cooled. A reactor generally makes energy when a heavy element is split, throwing away alpha, beta or gamma particles, and in the case of Uranium-238, it becomes Uranium-235. The reactor core must be cooled at all times. Modern reactors have automated cooling systems, so the reactor can be shut down, and still cooled until it is safe. In the case of Fukushima, the reactor was shut down , and the automated cooling systems worked until the generators were flooded by the tsunami. They then failed, and the heat energy melted the building, producing hydrogen, which then exploded. Then radioactive particles were thrown into the air and then the area was evacuated. At Chernobyl, they wanted to find out what would happen if the reactor wasn't cooled, or something, I'm not entirely sure, but the reactor melted and air currents carried the radioactive particles across Europe. A nuclear weapon is more based on destructiveness, rather than radioactivity, so it is safer sooner.
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what exactly is a rape kit ?
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Its used to collect physical evidence from the victim, sometimes done by the victim themselves, more commonly by a nurse. > Although a rape kit's contents may vary by location, it may include: > Instructions > Bags and sheets for evidence collection > Swabs for collecting fluids from the lips, cheeks, thighs, vagina, anus, and buttocks > Blood collection devices > Comb used to collect hair and fiber from the victim’s body > Clear glass slides > Envelopes for preserving the victim’s clothes, head hair, pubic hair, and blood samples > Nail pick for scraping debris from beneath the nails > White sheets to catch physical evidence stripped from the body > Documentation forms > Labels
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Gut bacteria and their relationship with depression.
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90% of serotonin is produced in your gut. Serotonin regulates mood. If your gut bacteria is off, this could cause depression and anxiety. Thus, sometimes a probiotic can help with this.
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Where the term “late” to describe deceased came from
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It's shorthand for "lately deceased". It's traditionally used to describe someone who has died recently, but as the abbreviated phrase eclipsed the full one in popular speech, it's come to describe anyone who is dead regardless of how recently they croaked.
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How do people make high quality GIFs of live sporting events on TV only minutes after the action occurs?
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The same way all gifs are made, just quickly. They probably have a capture card connected to their TV that they set to record the whole game, so after something "gifworthy" happens they just need to trim that part of the footage and convert it using any number of programs available online[Hi, this is how I do it.] Basically, I live-stream the content onto one of my screens, and use a screen capture program to record the action. As soon as I stop recording I have a video file stored on my hard disk. Uploading the video to gfycat is quick and gfycat converts it to a gif for meI have a TV whateverathing card in my PC so I can connect the antenna cable directly to my toaster and watch/record/schedule recordings directly through Windows Media Center. This might just be arguably the best ways for such activity.
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Why are bodybuilders more ripped than powerlifters?
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Lifters build up their body to lift. Bodybuilders build up their body to look ripped.Power lifters center their workouts around trying to get as strong as possible. Whether it's bench press, squat, dead lift, the purpose is to lift the most weight. That is how they score competitions. Bodybuilders on the other hand have a different goal than just lifting X from point A to point B. Bodybuilding is about looking good. Some bodybuilders are very strong, such as Ronnie Coleman, but it is not totally strength. Body builders aim for definition and balance more so. For that reason they tend to do more isolation exercises that concentrate on single muscle groups. This lets them put more effort into carefully building that one group. Another reason that they look more ripped is because they have to focus on cardio as well. Having large muscles looks good, but by having very little fat around it you focus more on the definition and how far a muscle pops out rather than overall size.While both may have the same amount of muscle a bodybuilder would typically have less fat around the muscle. A male bodybuilder will have 3-5% body fat. Going below this range or staying in it for to long is extremely dangerous as some of your body fat helps protect internal organs. Also having some energy reserves and water reserves while doing extreme work outs is helpful to your performance. Bodybuilders stand up and flex, power lifters are lifting super heavy things.Bodybuilders are pretty heavy and have quite a bit of fat when they aren't preparing for a competition. Once the competition time nears, they begin to cut and essential drain their body of fat and water. Their bodies looked more ripped because of the low water retention and fat burn. When you see them on stage competing they are essentially at their weakest. Its not viable for powerlifters to do this because they are based on performance not looks. Although there is some performance associated with bodybuilding , powerlifting is not heavily based on physique but on how well you can do various tasks/exercises.
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What is the pump and dump method in stocks?
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That's where you buy a bunch of worthless stocks at a very low price. This inflates their price a bit and gives the appearance of growth. Other people see the value increasing, and may buy more stocks, thinking the price will continue to rise. If enough suckers buy stock on top of yours, you can sell what you have for significantly more than you paid. This lowers the price of remaining stocks. You gain almost exactly what the other buyers lose. Edit: Sometimes a financial institution or investment banker will take this a step further and advise clients to buy stocks they've already invested in. Theft and fraud.> "Pump and dump" is a form of microcap stock fraud that involves artificially inflating the price of an owned stock through false and misleading positive statements, in order to sell the cheaply purchased stock at a higher price. From [here]. So said person buys some stock in the firm and then goes about releasing false/misleading statements about how good the company is or how big it will become and then when the price rises they sell their stock at the increased price [before the reality of the false/misleading statements come out]. There's a movie called [Boiler Room] which is brilliant and includes underhand behaviour like this.This is generally applied to penny stocks that trade on lesser regulated exchanges. You buy some shares and then start rumors on sites and boards that imply the company is about to strike it big - either they've made a find if their in minerals/oil etc, or they're just about to win a new massive contract. If you do this from a multitude of accounts you can create a buzz that gets others buying the stock, thus inflating the price. This is called pumping. The dumping should be obvious.
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What makes a song more complex than another?
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There are many determining factors in deeming a song complex. For instance, a simple C G A F chord progression with a guitar, bass and drums isn't quite as complex as a unique chord progression with an orchestra behind it. I'm not 100% sure what you're asking but I hope that helped answer your question.
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What happens to illegal drugs after they are seized by law enforcement?
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They get stored in the police's evidence rooms and their files are put into archives. Then, they are sent to this big oven for incineration in a more central police station. My mom works with this stuff.Additional mod reminder: is this really a question you looked into and thought it was so complicated you needed to ask ELI5? Five seconds worth of googling would reveal that confiscated drugs are incineratedIt depends on what the confiscated items are. Illegal items like drugs are destroyed after they are no longer needed as evidence. Items like firearms are typically melted down / destroyed as well. High value property like houses, cars, boats etc are typically sold at auction.A few weeks ago I encountered an *extremely* high police officer at 3am in a bar while he was on duty. So I'd imagine not all of it gets to the evidence room.Drugs are usually burned, sometimes I beleive they have to do other things to dispose of them like chemical treatment, but they are always destroyed. Valuable stuff is sold off.
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why in some countries it is left lane drive and in some it is right? what are the advantages of right/left lane driving?
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left side driving if more often than not a british thing, or a it happends in a country that used to be a british colony. when there still was knights on horses out on the road, the knights prefered to ride on the side of the road where they could use their sword arm without pullign the sword into bushes. it would also be possible to fight an oncomming attacker on horse. it also redused the risk of their scabbard hitting oncomming people. when it comes to left side driving, it is a lot easier to mount a horse from the left side. if they had right side riding, they would have to stay in the middle of the road to mount the horse. when riding with an wagon you would prefer sitting on the left back of the horse, to controll the wagon so it would not fall of the side of the road. source: _URL_0_I believe it is safer to drive on the left hand side of the road because this means your car is right hand drive, meaning you change gears with your left hand - keeping the more often than not dominant right hand on the steering wheel. I would be interested to know why most parts of the world drive on the right with this in mind
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How were people able to make accurate depictions and maps of different continents in a time before satellites?
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They would do it by surveying. That is going out with tools to look at and measure things directly. And using some math to estimate heights, distances, etc.
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Why is it that Hillary Clinton and Donald Trump seem to be the leading presidential candidates when it seems that public opinion of both is very low?
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First, this is how it always is this early in campaign season. Anyone with a little bit of name recognition immediately is at the forefront, regardless of their quality as a candidate or likelihood to do well long term. But more to the point, it's because we don't cast negative votes. If 20% of the people love you, but 80% hate you, you don't get a score of -60. You get a score of +20. Those 80% who hate you are going to be divided up among a bunch of other candidates, or will just be left undecided. +20 is enough to be the frontrunner early on in primary season. Note that general elections are different. A negative opinion often converts into a vote for the other guy. So now, those 80% who hate you vote for the one leading opponent and you easily lose.
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why is my school so sensitive to religion amongst students, but also purposely doesn't serve meat on Fridays?
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A lot of schools focus on creating an inclusive space for all students and staff. This includes recognizing traditions and cultural practises, such as 'meatless Fridays' during Lent.
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Why is it so hard to text with cold hands?
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When your body gets cold blood circulation to your extremeties is partially cut off in order to preserve the heat near the core of your body where the most vital organs are. With less blood your fingers and hands become less sensitive and less mobile and thus it makes it harder to text. Sort of related: Consumption of alcohol widens your blood vessels and should make it easier for you to text in cold weather. Although this effect may be kind of inhibited by getting drunk as well.When you get cold, your body sends less blood to your extremities. Meaning your ears, nose, and fingers. You need blood to move and such so if you get less blood then you need you'll have a problem.
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Where did smoking terms like "high" or "stoned" originate?
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As far back as 1620, "high" meant "euphorically drunk" . It's that stage of drinking where you're still cheerful: your spirits are high. It didn't come to be used for other drugs until the 1930s. "Stoned" also originally meant "drunk" and was later transferred to being intoxicated on cannabis. I can find references to it in the first meaning to the late 18th century , but why "stone" I'm not sure. One possibility is that it's connected with phrases like "stone-deaf", which means "completely unable to hear". Maybe "stone drunk" originally meant that you were so drunk, you were totally out of it, perhaps even unconscious[According to this], getting stoned was still getting stone-drunk in the 1940s. Stoned was adopted by beboppers but still meant drunk. I 'd wager that somewhere between bebop parents and hippie kids, stoned became synonymous with pot. [According to THIS] in the 1930s stoned meant drunk or intoxicated with narcotics. By the 1960s it meant a "stuporous person" As for getting high, [according to this] like others have said it meant high off alcohol back in the 1600s. Then in the 1930s it took to mean high off drugs.High made sense for me the first time I ever smoked when I was 13. I hit my neighbor's bong in the woods and when we were walking back to my place I felt like my head was on the top floor of an elevator and the rest of me was on the ground floor. Stoned I got from new wave reggae music.
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why do ludicrously over-priced listings exist on sites like Amazon, even for common, nondescript products?
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The most common reason for this is that these items are have code/algorithms from their owners that continually adjust the price relative to some other items, and occasionally they mess up and end up at these crazy values. In the past there were some funny situations that people found of algorithms selling the same or similar products fighting against each other with issues and prices get hilarious like multiple sellers selling the same thing from over $1M for some random book or food item that is otherwise like $20.I was wondering just the other day if some people do that to sell illegal products. Like you order from that listing and actually get, say, $300 worth of cocaine. No one actually looking for Coke Zero would ever order that in preference to other listings, so the only people who went for it would be people who knew what the actual deal was; but there'd be no way for Amazon to know what you were actually selling. This is entirely speculation though.
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Why does stretching when you wake up feel so good?
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Your joints’ metabolism works through the liquid in the joints. When they are not moving and the fluid stays still, the process makes the liquid have the metabolites, which makes the cartilages somewhat sore. So when you stretch and the fluid gets stirred around, you feel the refreshment. A similar thing happens during pregnancy when the child’s metabolites gather in the woman’s body overnight causing morning sickness
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How do big companies prevent petty theft from employees?
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Registers are computerized and have a log of all the transactions. Each clerk starts with a fixed quantity of cash and it gets counted at the end of the shift.\r\rThis is part of why so many stores have strict policies about giving a receipt with every purchase. It forces employees to put every order into the system.All money that goes in and out of the register is recorded. If you take a dollar, it's going to show you as being a dollar short. Most companies allow very small discrepancies, but even then, if you're a dollar short consistently, you're likely to be investigated. Many registers have individual codes per employees so that they can tell who is on the register at any given point, and require multiple people to sign off on large cash deposits.
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why do cats have to smell everything? Why can't they just look at the things?
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The cat's response:Why do humans have to look at everything? Why can't they just smell things? Each of your senses gives you a wealth of information. Humans are very visually-based creatures, for a variety of reasons . Cats, on the other hand, have evolved to fit a different niche. Humans, as relatives of apes, evolved to mostly eat plants and bugs, which don't require a lot of hunting, so we don't need a particularly great sense of smell, since we just kind of look for a plant to eat. Cats are obligate carnivores: they *must* eat meat . So they have to hunt, and that means tracking down small critters, which relies a lot on smell. We also evolved a very complex society, and we use sound to communicate mostly. Cats do use sound, but they also use a lot of chemical signals, too. That also requires smell. Using sound was better for us, so again, our noses aren't quite so good. All of that is to say that there's a lot of information available through smell that isn't available through sight, and vice versa. We don't need the smell information, so our noses aren't as good. But cats do, so they spend a lot of time sniffing around.
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Which virus scanners to avoid, which to use, what should I look out for.
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Let me fix your account with Webroot. PM me your e-mail address you used to register and I will see what I can do.I use a combo of Microsoft Security Essentials and Malware bytes with Windows 7. If you're careful, this should be sufficient. I'm not sure about MSE and Windows 8 however.
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Why isn't there a spending limit in US political campaigns like a salary cap in sports?
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[There are.] Problem is they have so many loopholes, candidates still amass over 500 million USD.
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Why Gluten-Free diets are so popular now
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Eating a gluten-free diet is both extremely strict and generally devoid of foods that the average American binge eats. Most of the success of the diet isn't specifically due to the absence of gluten, but due to the dieter's restricted calorie intake and avoidance of nutrient-deficient foods.\r\rBasically, you aren't healthy being gluten free because of the gluten- you're healthy because you stopped eating so much crap.Basically, there are alot of people out there with ridiculous ideas about food. These are the same people who talk about "releasing toxins", even though they cannot define what, exactly, a "toxin" is. Celiac disease is a real thing, but probably like 10% of people who claim to have a gluten intolerance actually have one.There is currently a theory that outside of celiac disease many people have a gluten sensitivity. It has not been proven that people have gluten sensitivity but it is being reported that many people who have had issues but don't have celiac disease feel much better when they go on a gluten free diet. More and more doctors are starting to agree with the theory of gluten sensitivity so it's seeming likely that there's at least some truth to it.
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Why don't any animals have to wipe their ass, but humans do?
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Animals don't need to *wipe* their ass, because they lick it or rub it to the ground. Some animals don't feel the need to clean anus at all, because their shit is dry enough to not make a mess. If humananimal wants to clean their ass, and they don't want to rub it to ground, hand need to be used, because tongue can't reach the hole.Everyone pointing out that animals just walk around dirty are correct. However, there is a mechanism that many animals have that is rather vestigial in humans. Loose skin around the "tube" of the anus expands and unfolds when an animal dedicates. A bit of that tube that is normally inside the animal sort of turns inside out and extends "outside". It is usually called prolapsing. The feces slides out through this tube. The end of that tube is what gets dirty. When the anus relaxes the prolapse retracts inside the body. It takes the dirt with it to a large extent. I don't know if it's because of our civilized habits or something more biological but most humans don't have much of a prolapseOne reason is that humans have big asses, upright running and walking means our butt muscles are really big, also some people do not have access to toilet paper and do not wipe, they squat all the way down to minimise poopy butts.I've been around sheep before, and believe me, the experience would have been much-improved were they able to wipe their arses.
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What is a quantam entanglement?
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Let's say you have two pieces of chocolate. You know that one of them has caramel inside and one has nougat inside, but they look the same and there's no way to tell the difference. You give one to your friend. Your friend takes it on a trip far away. Later you bite into your chocolate and find out that it has caramel inside. You instantly know, without needing to communicate, that your friend's chocolate has nougat inside. Correct me if I'm wrong but I think this is essentially what quantum entanglement is about.When two particles are entangled, it typically means they have *correlated statistics*. For example, if I produce a pair of particles with opposite spins, they exist in a state where they could either have spin up *or* down. But, as soon as I measure the spin of particle A and find it to be one or the other, I know particle B has the opposite spin.
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Why is fiberglass so itchy?
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Fiberglass is literally made of glass fibers. Like tiny threads.Glass is sharp, especially if it's the size of thread. So if it pokes you, it penetrates the top layers of the skin a little, and this causes irritation. The fibers aren't thick or heavy enough to press in deeper so there's not much risk of them getting completely embedded in your skin. However if you're exposed to fiberglass all the time, like you work with it, fibers ending up all over your body and face can eventually get rubbed down deep into tissue and interfere with where new cells are made and this can cause problems, such as cancer. It's why if you touch a piece of broken fiberglass it feels itchy, but people who work on fiberglass production lines cover themselves in full body suits and masks as if it's toxic.
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Why are the majority of the reddit population male?
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Why are most subreddit populations comprised of men moreso than women? Check out the history of reddit: [Here] It's a lot of good content to read through. For example, check out the growth and popularity of subreddits over the history of reddit: [Here] Or here, take a look at reddit in [2007]. Now, if you look at the data, the earliest popular subreddits were programming, science, politics, and porn. I won't get into why men are more likely to be discussing these topics/professions, that's a whole different ELI5, but because that tends to be the case, it is not rocket science to figure out why Reddit tends to be populated my men. It's been cool that reddit has grown SOOOO much and now has better representation of women, but to understand why things are the way they are, you have to appreciate the history of a thing. Reddit began as a place to talk about computers, science, and boobs. That drew in a predominately male population for obvious reasons.What proof do you have that it is?
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Why does a computer screen look pixelated and wavy on a digital camera shot?
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The PPI of the camera's sensor is battling with the PPI of the computer's screen. This is known as [Moire].
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Why do most bigger men, i.e. bodybuilders, have deeper voices?
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They don't. There's no correlation between the size of a person and the size of their vocal chords, which is what determines vocal pitch and timbre.
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why when I fall asleep I wake up with "sleep" in my eyes
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Spiders climb up to the ceiling and have competitions to see which one can shit in your mouth first. It's also why your breath is so bad when you first wake up. True story.
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Meditation and how you would go about learning to understand and practise it?
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when you are just starting out, audio recordings of guided meditation can be fantastic. few people have the mindfulness to just up and do it alone. it's kind of like riding a bike. takes practice and trust with yourself. there's a lot of options and [ ], they don't have to cost much / anything as they are [readily available online]. the trick, i think, is to find the voice in the guided meditation to your liking. that alone can make or break the whole thing! ps. it's totally okay to fall asleep at first. no big deal.
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How almost every book in a bookstore is written by 'New York Times Best-Selling author'
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Confirmation bias. When you see that, you go "Huh, another one." When you don't, you ignore it. Most books are *not* written by authors who 've had books on the New York Times best-seller listNYT has multiple different lists that are filled with dozens of books each that update relatively frequently. All a book has to do is be one of those few hundred once to be labeled a NYTs best seller.
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Why Does Conservation of Angular Momentum Happen?
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Conservation laws are ultimately due to symmetries. Since physical situations do not depend on how a system is orientated, this *rotational invariance* gives rise to the conservation of angular momentum.Basically, anytime the laws of physics don't change with respect to a change in your perspective, you get a conservation law. This is [Noether's theorem]. Conservation of angular momentum follows from the fact that the laws of physics are the same even if you rotate the universe 90 degrees.
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How does the whiskey and water trick work?
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Density. The water is more dense than the whisky. So water will weigh more than the whisky. They switch places since they are the same volume. The heavier water fills up the entire bottom glass, leaving the lighter whisky nowhere to go except up into the top glass.
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What it means when people say "You can't make up lost sleep"?
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The idea is that sleep isn't totally a + - system. Sleep is meant for helping with memory and body recovery. No matter what you do, if you don't sleep that night the damage will already be done. You can't work on memorizing something that's been gone for a day, and if you have bodily damage rest later may help, but will not do the same as resting that same day. Sleep's properties and such are pretty widely argued, so everyone may give a slightly different answer, but regardless of the answer your body works on a daily cycle. Everything normal must be done in that daily cycle, if it's not done, it will never be done, since your body is then on to the next cycle. Imagine each day you're working at a warehouse and each day you're told to organize a specific range of shelves. If you skip a shelf, the next day you'll have a wide range of other things to do, and even if you get done with everything else and manage to get back to what you missed, you'll never be able to organize everything correctly, and if you don't have the directions like the day prior, could never do it.It's the general idea that sleeping isn't as simple as "I 've had a late night tonight, so if i have an early night tomorrow night, I'll be fine." For me, if I have a stupidly late night one night, I'll be OK the next day, probably, but no matter what time I get to bed the next night, I'll feel like crap the day after. So in other words, despite going to bed at 8PM on the second night, I haven't 'made up for lost sleep\' because the day after I'll feel like crap whatever.
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How can glass get fogged up from steam and frost but our eyes can't?
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Fogged up glass happens when humid air gets in contact with a cold surface and condensates there. Our eyes have a. a layer of water in front of them, that's because you keep blinking, and b. are not cold enough to cause the humid air to condensate.Your eyes are water. Water in the air just attaches to your eyeball. And your body keeps it at a regulated temperature.
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How do animators pair up the voice recording with the character's lips?
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Voiceovers are almost always done BEFORE animation, especially the finer points of animation like lip sync. Properly lip syncing is all about understanding the four basic shapes the mouth makes while speaking : Open, Closed, Wide, and Narrow. With a few special exceptions all phonemes fit roughly into these categories. Example: "Tambourine" Tam-Bow-Reen. Tam: Narrow, Open. Bow: Narrow, Closed Reen: Wide, closed. So really only three different shapes are necessary for that word. A huge mistake of amateur or beginning animators is to try to be super accurate to every single nuance of movement in the mouth and tongue. Not only is it a wast eof time and energy, it often ends up looking odd. We don't really look at people's mouths that much when we're talking and over-animating those movements often looks a little bizarre and distracts from more important things in the scene like eye movement and gesture. Source: Am an animator, have a degree and everything They pair up the animated mouth to the voice-over. They can do some just open and close mouth movement for animating before they have the voice-over and then go back and re-animate it.
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How do GPS systems enter all their road data?
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A lot of it is pre-existing database information from municipalities and private firms. You can buy most of it for yourself too if you know where. Some systems also integrate a user updated database that can quickly track changes based on individual reports and third party tracking.
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Military Patents, how are they enforced and why bother to make a patent?
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These things are often designed and manufactured by private companies, and then sold to government customers. The government manufactures almost nothing itself. So all those tanks and planes and weapons are made by businesses like Boeing, Chrysler, Colt, etc. For example, for many decades Colt held the exclusive rights to manufacture M16 and M4 rifles for the military. Other manufacturers could not make a duplicate weapon without violating patent laws and the military's licensing agreement. However, you are correct that any hostile country that really wanted to could copy our equipment. China and Russia don't care about things like patents and copyright laws in the first place, so nothing is really stopping them.
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Why do the Alps have more glaciers than the Rocky mountains if the Rocky Mountains have a comparable number of peaks at or over 13,000 Feet/4,000 meters?
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There's an enormous difference in rainfall between the Rocky Mountains and the Alps. While these maps are pretty general, the difference is enough to be obvious. [The Rockies] are almost entirely in the 200-400mm range with only the Northern part of the chain in the 400-800mm range. [The Alps] appear to fall mostly in the ranges from 1000mm to 2000mm. That's several times more precipitation . Glaciers are formed from precipitation that remains through the year, so with less precipitation, there's less snow and as a result fewer glaciers forming.
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What in the world is Half Life 3?
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Half-Life is a series of video games by Valve. The first game came out in 1998, and was a huge success. The second game came out in 2004 and was also a huge success. After the seconds game, Valve decided to create new sequels as three "episodes" . The first episode, titled "Half-Life 2: Episode 1", came out in 2006, and the next episode came out in 2007. They were both also very successful. However, the third episode never saw the light of day, and fans are still expecting it or Half-Life 3. Since Valve are very hush-hush about this, fans try to look for anything that might hint on a new game being developed. You can read more here: _URL_0_', "Op's name is 6 letters Question is about HL3 6 divided by 3 is 2 HL2 comes before HL3 **HL3 Confirmed**
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Why are Americans forced to purchase pharmaceutical prescription drugs from America?
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American's go to Canada all the time to buy drugs. It's technically illegal but the FDA generally turns a blind eye and I've never had a border guard ask me about prescription drugs. You generally need a Canadian Doctor to write the script for you but that is easy enough to get especially if you already have a script from a US doctor. _URL_0_
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how come most high schools don't teach you how to do taxes or buy a house or car?
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Some view school as the place you go to be taught academic subjects. Life skills such as cooking, changing the oil, doing taxes, etc. are viewed as skills most adults have and should pass on to their children. This is not necessarily what happens in reality, but it is the reason schools put less emphasis on life skills. As time goes on, it seems like fewer people actually have what used to be considered basic life skills . But, what is in the school curriculum is, to a great extent, a political battle controlled by people who want to maintain the current societal structure, so common sense is rarely part of the decision.At least in our system, they tried to. We had some class called Career and Life Management. However, everyone knew it was a joke that didn't matter for college admissions, so nobody paid any attention. Just like why you don't like being told things by mom and dad Jimmy, we never want to learn anything until we need to know it
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Why aren’t the parents of minors who take their guns and use them in crimes held criminally responsible?
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Sometimes, they are. * [Parents charged after Wisconsin boy accidentally shoots, kills 9-year-old sister] * [Kentucky parents charged when 11-year-old son shot sister in the head.] * [Ashland Sheriff: Mother charged after 8-year-old shoots his 4-year-old sister] * [Parents charged in accidental shooting of boy, 3, in Englewood ] [Current reports] estimate about half of deaths in which children under 12 shot themselves or other children led to criminal charges.It's only a crime if there's a law. You would need a state to pass a law that said that you can be charged with a crime if you fail to adequately secure your guns, and they're used in a crime by your child.
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Can someone ELI5 the political turmoil that is going on in Italy?
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As you may already know, we just had an year of technical government, that's coming to an end after Mario Monti resigned , nominated and chosen by our President after Berlusconi's cabinet *fell*.You may have noticed, that in Italy we have as many political parties ad you can think of, but just a few have national *popularity*, you can see all of them [here]. The most important ones in this election are: * Movimento 5 stelle: It's the political party of ex comedian Beppe Grillo. Basically, he's completely nuts, doesn't have any idea of how to run a country but it's pretty damn popular because he says what people want to hear, in one word: demagogic. * Popolo della Libertà: It's Berlusconi, yes, AGAIN. He's the one who got all of us in trouble in the first place, but people keep voting him, why? For the same reason people support Grillo, he says what people want to hear, so as above: demagogic. * Con Monti per l'Italia: Monti got Italy in it's worst shape, and tried relieve our economy , but he did it using extreme budget cuts and raising taxes, so he's not very popular, but IMHO he did what had to be done, after years of politicians doing what's best for them, not thinking about long term consequences, there's not other way out. * Partito Democratico: Basically it's our main left wing party , that's been the opposition for as long as I can remember , it's leader is Pierluigi Bersani. The Elections are this weekend, but I don't think anyone will get the majority, in the parliament, they need to govern.
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