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Is there a reason the English alphabet is in the order it is in? Is there a specific reason for the sequence?
"There is no rhyme or reason — theorder\xa0of the letters seems to be arbitrary. From what historians understand, the\xa0order\xa0of the\xa0alphabetis the way it is because, well, it's always been that way. The Greeks used the Phoenician\xa0alphabet\xa0as a model for their\xa0alphabet, which saw the addition of vowels....
Why aren't naval ships sitting ducks?
There hasn't been all out warfare between two nations on equal footing since WW2. Modern military doctrine dictates that carrier groups would likely be lost within the first stage or so of an all out conflict between major powers, since they're extremely vulnerable to ballistic strikes. Different *types* of conflicts h...
Why are my hands cold so frequently, and how can I help prevent this?
You might want to provide a little more information otherwise the best anyone can do is take a wild guess. My wild guess is that it is because it is cold outside, wear gloves to prevent it.This is a shot in the dark since we obviously can't diagnose you with so little information, but please look into [Raynaud's phenom...
Why is it a legal requirement to wear a seatbelt in a car but not on buses, trains etc.?
Buses are larger and the passengers inside are much safer than they would be in a Sedan. A bus doesn't get thrown around in an accident much like a small car would - So the passengers wouldn't be thrown around much either.
The physics of guitar strings and why they make sound
Guitar strings make noise because they vibrate, transferring their vibration to the air directly as well as to the material of the guitar itself which in turn vibrates large amounts of air. Since sound is vibrations in the air it is clear how they make sounds. Now *what* sounds they make is a bit trickier. By varying t...
Why do certain games (and perhaps other things) that have a year in the title, like Madden football, release the year before what's stated in the title?
Because you've created your game for that upcoming year, which sounds new, and hopeful, and futuristic, instead of naming it after the previous year, which was lame, and frankly much more upsetting than we had all hoped.
does time actually exist or is it just a unit of measurement like distance.
I mean your question doesnt really make sense. Distance exists, its the space between objects. Distance is not a unit of measurement. Its a thing. Feet, yards, inches etc are units of measurement.
If suicide by subway train is prevalent, why don't the subway trains slow down enough to make a quick stop before they get to the platform?
Trains have poor stopping distances. The value of a subway system is rapid mass transit. Slow travel times undermine its use as competition with driving/walking. Suicide by train is not that common in fact it's so rare that its often international news when it happens. Even if it were a problem, a much more effective a...
Why isn't there an app that combines the library of Amazon Prime, Hulu+. Netflix, HBO GO, etc into one easily searchable library?
Those companies don't support APIs to make their catalogs accessible, probably for competitive reasons. So it would have to be done by hand, at great expense
How are phones locked?
I 've worked with this. As in, actually implementing SIM-locking for GSM/3G/4G phones. I call it "SIM Locking", as what we're telling the software is: "only accept SIM-cards issued by the following carrier" We're not actually locking the phone into a specific carrier network, as your phone should still be able to "roam...
Why are latches on airplane seat belts so much different than in automobiles?
There's a few reasons: They're less expensive to produce, meaning that when it's time to replace them, it can be done more cheaply. They're also more reliable in that they have a very simple design. Airplane seatbelts are used far more frequently than automobile belts and the clasps must be able to handle being used ma...
Why have some countries developed rapidly while other have not over the last century?
It's easier for us to create heat than to remove it. Furnaces for heating have been around forever but air conditioners are expensive and still catching on. Therefore, for centuries the most productive places have been cold-but-not-too-cold places because they can get work done all day, year round, whereas in warmer pl...
How does scribbling on a thicker stack of paper make a pen work again when it stops?
I assume you are talking about a ballpoint pen. The ink can dry around the ball after a while. If you try to write on a single sheet of paper on a hard surface, the ball has very little contact with the paper and not enough friction won’t turn it over in the dried in ink. Using a larger stack of paper makes the surface...
Why do chickens lay eggs so quickly and efficiently?
Chickens have an extremely sped up version of the reproduction cycle humans have, it was synced with the bamboo dispersing it's seeds season . Their food supply was the largest when the bamboo plants released their seeds, so they evolved to reproduce rapidly and proliferate like crazy to take advantage of this enormous...
Why are foreign accents usually thought of as sexual and arousing?
It's because my brain tells me that if you come from far away you cannot be my sister. So we will have beautiful non-retarded babies.
How does Silicone hold information. basically giving us computers
It is silicon. [Measured by mass, silicon makes up 27.7% of the Earth's crust] Silicon is next to aluminum It is a member of group 14 in the periodic table, along with carbon above it and germanium, tin, and lead below. It is a semiconductor, neither a good conductor like aluminum or an insulator. As such it can be loa...
Why do most household sprays easily kill spiders?
I think it just shoots chemicals into their spiracles. Openings in the body. I have also found a foot effective. Also a tissue, awkward grab, quick toss in the toilet, and feminine scream work as well.
Why is depression so common in Grad school?
You are expected to create new and original research, often with very little support from faculty. You are often paid below poverty wages. Take crap from senior faculty because it's part of the game until you earn your research wings. Then you have grade grubbing students or the rest are largely indifferent and there o...
What causes the "pressing" feeling in your lungs that makes you want to cough when inhaling marijuana smoke?
That is your lungs wanting to expel what is in them because they need something richer in oxygen content.
How did Israel developed from rand rock desert into OECD equivalent progressive nation.
It was built by first world people, at first educated by first world institutions, until they created their own. And they get funded by first world jews all over the world. Jews have always prioritized education.Israeli culture does place a high value on knowledge and education. This was established for patriotic reaso...
Why do we have to restart our PC after uninstalling an app?
Depends on the OS, most times, a restart is unnecessary, but in some cases it may be required. ###Windows: On windows, applications are stored as files and registry keys. Registry keys are never cleaned properly, and an unnecessary large amount may slow down your PC a bit . A restart is necessary if : - The app has a d...
Can chameleons control their color changing? How do they even do it?
Chameleons do not use chromatophores to change the color of their skin, sorry below comment. They have a lattice of crystals in the skin which reflect and absorb light, and changing the spacing of the crystals changes what colors are reflected and absorbed. The normal green color is the blue of the relaxed crystals plu...
Obamacare. What did it actually do?
It hasn't done much yet. It's a 10-year plan to phase responsibility for health care into the hands of the federal government. It transfers rights to define medical salaries, hospital administration, decisions regarding procedures , and plenty more. It's over 1,000 pages long and if you 've got time to read the whole t...
how do we choose/regulate hot or cold breath when we exhale?
The air in your mouth is pretty much at the same temperature as your body. When you blow air by puckering your lips, you pass that air through a small opening, with the inside of your mouth being high pressure and outside being low pressure. As the air exits, it experiences a sudden pressure drop, causing temperature t...
Why is Arnold Palmer Tea/Lemonade cheaper than water?
because people are suckers and will pay $$$ for bottled waterGoods like this are priced based on what people are willing to pay, not what they cost to produce. The real question is, "Why are people paying so much for water?"
My friend called me in the USA from somewhere in South America, call dropped, then played a recording of his side of the call. Why?
Interesting, from what i can gather from a quick Google foo it appears that some overseas companies write recording of calls into their tos. This only allows them to record their party, hence why you only heard your friend's side of the conversation. Why you heard it in the first place? Probably a software glitch, it s...
Why is Marijuana illegal in the majority of nations?
The Single Convention on Narcotic Drugs of 1961 _URL_0_ The United Nations Office on Drugs and Crime works with countries' legislatures to ensure compliance. As a result, most of the national drug statutes in the UNODC's legal library hare a high degree of conformity with the Single Convention and its supplementary tre...
From our single-cell origin, how do random and minuscule copying errors in DNA result in highly complex constructs such as sight, thought and self-awareness?
luck. nothing more, nothing less. or do you want to explain process, step by step?
How do natural notes in music sound okay?
You'll have to elaborate a bit more, not quite clear what you mean. For example, Let it Be by Beatles is in the key of C major, so every note is a natural one, and in the key? If you mean what I think you do, I'd use natural notes in a chromatic approach in keys where they don't 'naturally' appear.
Why are we attracted to symmetry so much?
Probably because most living creatures are more or less symmetrical, bilaterally or radially . Creatures that are not symmetrical overall are aberrant, and could be threatening. Here's the wiki on [symmetry]", 'Symmetry of features is an indication of overall genetic health. We are biologically driven to seek out healt...
If clogged pores are holding dirt & oil in your face, then how come squeezing them is bad & not beneficial ?
Well, it's not that it's bad and not beneficial, there are actually tools that help you remove blackheads and whiteheads. The harm is in either compulsively picking, and also when you use your fingers you damage the tissue around the clogged pore.Most of the "clogged" pores you see on your skin are actually not clogged...
how did the Perseid Meteor shower not hit the International Space Station?
The ISS is about the size of a football field. Compare that with the size of the Earth. The chances of something hitting it directly is similar to the chance something dropped from space will randomly land in a specific football field. Most of the Perseids are about the size of a grain of sand, with a few as big as a p...
Why should we not go back to the gold standard?
The erratic nature of capitalism needs a flexible currency to protect consumers and maintain trust in the markets. The amount of gold backing the dollar is a much less variable, and so inflexible, amount than the amount of money in circulation as directed by the federal reserve. If the Federal reserve can exert control...
How do sports players for different countries communicate on the field?
First, they're playing against each other, they don't really need to communicate. Second, they're playing the same sport which means they have, if not a common language, at least a common frame of reference. Third, when you're yelling at someone you're mad at you don't really care if they understand every single word y...
How does the "US Debt Ceiling" crisis repeat every few years?
Most other countries don't have a debt ceiling. You just pass budgets as needed and, if they're not in balance, the government borrows to cover the difference. The US is a special case as Congress needs to approve extra borrowing. So if the US currently owes $16 trillion and needs another half trillion, the Congress ne...
If I ate a dry packet of instant oatmeal and drank a half cup of water, would it be as filling as cooking the oatmeal normally?
Oats expand as they're cooked in liquid. If you eat cooked oatmeal, a cup will have 166 calories, about 6 grams of protein, not quite 4 grams of fat and 28 grams of carbohydrates. This includes 4 grams of fiber, or 16 percent of the daily value. Eat a cup of uncooked oats, however, and you'll be getting 307 calories, a...
Why do babies heal so fast? If they get a scab or cut, it is gone by the next day, but sometimes it takes months for me to experience the same result?
Babies grow *really* fast. That's really all there is to it. Wound healing and growth are both powered by division of cells, and since babies grow so fast their wounds heal more quickly too.
When you freeze something, does it's shelf life remain the same after you defrost it?
The short answer is no, freezing tends to damage foods a little. This damage breaks the food down slightly allowing it to spoil faster. However, you can keep food frozen for a long time, and just take it out when you are ready to use it. That being said, I'd still use the thawed-out bread past the 'shelf life' until it...
How does PayPal benefit from giving 1% cashback on their debit card?
_URL_0_ Paypal charges the seller 2.9% on sales. So giving you 1% cashback is losing a chunk of profit, but still making money for Paypal. Plus, it looks good to you; hey, I'm getting money back! Credit card companies do the same thing. All those benefits being offered to users generally total to less than what the com...
Why cant we fly fighter jets in space and travel far out quickly and back.
Fighter jets are air breathing. There is no air in space. For the same reason, there's no sonic boom in space either.No. Planes are dependent on the atmosphere to provide lift via air pressure as the wing moves through the air, and to supply the engines with a constant flow of oxygen to be able to burn their fuel. In a...
American Redditors, how does insuring a car work in the states?
> -age of driver -the amount of years you have been driving -no claims bonus -whether they the driver has a full licence or a provisional license It's pretty much the same thing here, what differences are you talking about?
What techniques do crisis teams use to prevent potential suicides?
Last time I called a suicide hotline the woman didn't even talk, stuff like 'yeah that sounds pretty rough', not very helpful.
Why is the alphabet ordered the way it is? What's the reasoning behind the sequence?
I don't know the reason for the order, but I do have very [cool table.] Look at I,J and U,V,W. They used to be one single letter and this is also the reason why they are packed together. The reason for the order of the other letters is probably pretty subjective. They had 22 characters and wanted them in an order. It c...
How is Kepler using "solar radiation pressure" to stabilize it's self?
Light has pressure. A solar panel array, besides absorbing light to generate electricity, will also absorb momentum. It is not much. But if the array is in the sun 24/7 for months then the thrust is continuous. It will build up. If it were a mirror array then the momentum imparted would be twice simple absorption since...
What is the process of supplying more cellular data to a customer on the provider's side? To companies like AT & T and Verizon have an unlimited supply of data to give?
it's not a matter of there being a finite data limit. that's not what caps are enabled. they are enabled for 2 reasons. $ and performance. with a cap, you can convince customers to pay for higher tier of data for basically the same service. verizon isn't doing anything more for you if you have 4 or 8 gb a month. but th...
Weird moon in the sky?
That is a phenomenon called earthshine, it's caused by light reflecting off the earth onto the moon", 'A more interesting fact is when their is a full moon you can see a visbile "rainbow" extended in a full circle around the moon :)
How come dumpsters always seem to have the same smell even though they all have different combinations of trash in them?
usualy the smell isnt the actual trash its the fungus and bacteria feasting on the remains kinda like how most dead things smell roughly the same given the same temperature and climate. the more pungent smells that smells roughly the same is the gases released from the organisms breaking down the different items in the...
how do those Optimum/spectrum or other cable company internet hot spots work in large cities?
Companies like Comcast have the Wifi system in their modems/routers set up to be a hotspot. When I had comcast at home, I could see two access points from my Comcast-owned router. My own SSID and "Comcast". Anyone who came over could latch on to the "Comcast" SSID if they wanted to pay for it or if they had their own c...
What are the chances you would get in trouble if an armed robber entered you're house as you sleep, and ended up getting killed by a booby trap you set up?
Excellent. Booby traps are illegal everywhere in the US. You would very likely be charged with murderYour* and the authorities could potentially charge you with premeditated murder because you set the traps with the intent to kill someone, regardless of whether it was a specific person or a random stranger.
Why are there crushed stones alongside rail tracks ? what is there use and what will happen if they are not there ?
The crushed stones are called track ballast on which the sleepers are laid. The sleepers bear a lot of weight, the ballast helps them bear the weight. They also allow water to drain through and also prevents creepers and weeds from growing on the ground beneath the tracks. They hold the ties in place which hold the tra...
How does turning the volume up or down on speakers actually work?
Actual engineer who worked on audio circuits here. Audio is caused by differences in air pressure, we call that sound waves . When a speaker receives voltage, the diafragm of the speaker moves according to that voltage.The amplitude of the speaker movement is controlled by the voltage it receives, the higher the voltag...
Why do voices get higher pitched when songs are sped up?
Sound is a pressure wave that pushes and pulls your eardrum. The faster the wave, the higher the pitch. Sound is lazily sped up by compressing the waves. There is a way to speed up sound that doesn't change pitch, but it involves some post-processing.
Why is self-help stuff so popular in the US?
The US is vastly larger, so anything you've got in the UK, we probably have five times as much of here, including kooky self-help people. I've never heard of the three people you mention, but I don't doubt that they make money off of vulnerable people. There may also be a tacit cultural aspect to this, too - I have pro...
Why in most text editors font sizes increase by 24, 36, 48, 60, 72
Those fonts translate to commonly used printer measures in the days before word processors. Back when manual typesetting was the process required to build newsletters, they wanted a consistent size so they could more easily structure larger headlines into a standard "broadsheet" format. You wanted the total vertical he...
Why are eyelids swollen after waking up from crying the night before, and why it affects individuals differently?
Ok im gonna try to explain this the best way possible. Your tears are made of water, mucin, lipids, lysozyme, lactoferrin, lipocalin, lacritin, immunoglobulins, glucose, urea, sodium, and potassium. The effect of the potassium are long term so it will usually make your eyelids swollen. This effects only last about 8-10...
Ethics and morals - what's the difference?
One talks about the other. Morals are the rules you follow to do good instead of bad things. Ethics philosphizes about wich morals you should follow. IE: a moral is "Don't kill it's bad M\'kay?" Ethics says: "Killing is bad because you're harming someone, causing grief and pain etc."Ethics come from an external source ...
If the US Post Office is funded by the government, why do they charge us to ship something from them?
The Post Office is a government agency only in the sense that the government owns it and it's protected against failure because it's a critical service that we can't afford to let fail , but in most respects it is run like a private company. The US Government pays for services with tax revenue. They'd have to increase ...
what happens when you throw something in the trash vs the recycle bin?
Garbage is typically sorted at a processing plant before being dumped into a landfill or incinerated . They use conveyer belts and magnets to collect the metallic items. The garbage is actually magnetized to assist with the collection by magnets. Recycling is a bit different. Beer bottles are actually rinsed and reused...
If a country somehow launched a nuke at the moon for whatever reason, is it a crime and would any other country do anything about it?
it would be a breach of several treaties. nuclear ordinance are no allowed in space. everyone would be pissed', "It would be very expensive and pointless. All it would do is make that country look stupid and irrational in the world arena. That country would defiantly be investigated being they are a country with nuclea...
Why do cats feel like they're entitled to everything?
They don't. Cats don't have the capacity for the emotion of entitlement. We project that concept onto them. Partially because cats are nowhere near as facially expressive as humans or dogs. Cats generally don't look 'happy' or 'sad', they just .always have the same facial expression. Humans associate a stoic facade wit...
What does the close button on the elevator even do?
Several uses: 1) It gives the people something to do, this keeps them less angry. 2) When the elevator is in "manual" mode it does what the buttons command. The open button only opens the door as long as it is held in and the close button closes when it is held it. Like the window controls on a car window before they g...
What's the purpose of Eliminating the EPA?
This is political; there will some bias in my answer. I'll keep it to a minimum. The people who are trying to eliminate the EPA feel as though government regulation is strangling business. They feel as though eliminating the EPA will allow businesses to engage in cost-cutting, profit-creating measures. Others feel as t...
What ramifications should we expect from Detroit's bankruptcy?
Detroit will have a harder time getting a loan, but they might be able to start to operate somewhat again.
Is a space station similar to Elysium even possible?
While theoretically possible, it would take basically all of our resources and only the wealthy could live there . There are lots of engineering and physics ideas in the past about this, see the Wikipedia 'space habitat' article. Having it smaller in size would help because it would require less metal/engineering to ma...
The division between North and South Vietnam
1. The two states were created in 1954 after the French lost to Vietnamese forces during Vietnam's war for independence, previously they 'd been a French colony. 2. Diem's regime was unbearable, and that's why the Viet Cong existed. The VC were a militant group trying to overthrow the South Vietnamese government. They ...
Why does the number '256' seem so significant in video games?
Because binary. In 8-bit the most values those bits can hold is 256 . Check this link for a better explanation. _URL_0_Actually you often find 255 is the max number - because 0 is a potential one of the 256 valuesA byte is the most simple form of meaningful data storage in a computer. A byte is 8 bits, which is 256 ind...
Why does fracking cause earthquakes?
Stresses are built up in the earths crust by plate tectonics but everything is held together by large masses of rock that make up most of the crust. Earthquakes occur when the stress gets high enough that the rock fractures and the fault moves. Hydraulic fracking fractures those rock formations to release gas and petro...
Why are AAA games increasingly removing local multiplayer (split screen) game types?
Along with the answer about selling multiple copies, it also requires more resources out of the machine to run a split screen game. The CPU needs to process the movements and actions of twice the characters, and the GPU has to render 2 separate screens. this ups the load on hardware, and typically a hit has to take pla...
Why cold water is not evaporating when it is poured into a hot pan?
the pan evaporates a small amount of water , creating an air cushion between the pan and the cold water. the cushion eventually goes away, and more water evaporates, creating another cushion. you can see the smaller droplets eventually disappear in the video. the larger bubble of water simply traps more air and the wat...
How someone just opens a bank account overseas?
You pick up the phone and call a bank in Berne or Grand Cayman or, indeed, wherever the heck you want. There is, *generally speaking,* no citizenship or residence requirement related to banking. Just as you can pick up the phone and order a pizza from a pizza parlor in Florence — though you might not like the delivery ...
Why can't we just overstretch muscles to build muscle mass?
You can continually stretch the muscle but that lengthens it. Strong muscles are short and dense, and require years of training in order to build them this way.
why does ice freeze hard but ice cream freeze soft?
If you let ice cream melt and refreeze you'll find that it gets very hard. Ice cream is soft because it's frozen foam. Ice cream is churned as it is frozen, and the churning whips the liquid into a foam that has a soft texture when frozen.Two different materials ice cream is not frozen water there are fats in it that f...
How does it make sense for companies to make you send in rebates for often small amounts?
Advertising the rebate is a kind of sale, many people will get the product that otherwise would not because of said sale. But a large percentage of these people will forget to send in the rebate and so do not actually benefit from the sale. This really does give them enough profit to cover the handling of the rebates. ...
The "V" shape is a popular configuration for 6 and 8 cyl engines, but not for 4cyl engines. How come?
Inline engines are easier and cheaper to produce than V engines. But, larger inline engines such as 6's and 8' are too relatively large, so manufacturers opt for a V engine to save space. An inline 4 can easily fit in most automobile engine compartments, so they opt for the cheaper to produce inline 4 over a more expen...
What's the difference between a "Boy Band" and other bands that consist of all males?
A 'boy band' is a constructed musical group where the members are chosen primarily for their attractiveness to teenage girls. None of the bands you mention is a 'boy band'. However, the Beatles are the *prototype* for boy bands. While not themselves a boy band, boy bands are constructed with the idea of exploiting the ...
Does "catching up" on our sleep actually do anything to help us?
So this is called your 'Sleep Debt' and you can't catch up with it all at once. So sleeping all day won't 'pay it back' but slowly adding more sleep, like an extra 15 min to 1 hour will.Sleep is one of the most important things for ones health. The more you deprive your body of sleep on regular basis the worse your bod...
How does the human circulatory system maintain effective and efficient productivity while in space and under vastly contrasting gravity conditions relative to the astronaut's planet of origin; Earth.
Poorly. Typically we experience gravity pulling down on our blood, meaning the muscles of our legs act to push blood back up into our torso and there are valves which usually prevent back flow. In space people tend to have higher than normal blood pressure in their upper body and this is feared to result in issues with...
Why do my eyes get all bloodshot when my allergies flair up?
Causes the activation of allergenic mediated mast cells which subsequently release histamine into the body, which THEN causes vasodialiation or expansion of the blood vessels, causing a perceivable "redness" in the eyes and elsewhere
As a US citizen filing tax returns, why does the Federal form allow me to contribute to political parties instead of contributing to reduce the national debt?
You can contribute additional money on your tax return by either: claiming higher income than you actually have; or failing to claim deductions to which you are entitled. Your effective tax rate goes up. Also, the Treasury department [does accept gifts that go directly to the debt]. Also, there is no contribution direc...
- School Funding in America.
Schools are funded based on property taxes paid in that school's district. The higher the property values, the more taxes paid into the system, the more money the schools get. Schools also receive government money based on the number of students enrolled at the beginning of the year. Ta-da!", 'Schools are given money o...
A bankrupt local landmark "wrote down" $40 million in bonds to $100k, why do bondholders allow this?
Because either they accept 1/400th or they get nothing, and generally nothing is worse. They aren't happy about it though. Any organization that did something like this would not be selling bonds at low interest rates in the future, it's why greek bonds cost greece FAR more now in interest, because it's more risky, and...
why are some people are consumed by emotions while other people don't even seem to have any at all
Social conditioning is the primary factor in displaying emotions. There are some mental disorders that can limit the emotions you feel, or make them overwhelming but most do not suffer from these and simply fall into the natural variance of how they feel emotions.It's the kind of training we went through. Think of a do...
Why do shadows blur around the edges?
If the light source isn't an infinitesimal point, then around the edges of the shadow are spots where only *part* of the light source is visible. For example, the sun appears about half a degree wide from earth, so a shadow from the sun cast 10 feet will have a blurry area about 1 inch wide between the totally shaded a...
What is the difference between coke zero, diet coke and the new coke zero sugar
Coca-Cola is trying hard to make a diet drink that matches the taste of the regular Coke. Diet Coke was their first attempt in the 1980s. It was noticeably different than regular Coke. They later tried to make regular Coke taste like Diet Coke, which was a [total disaster] for them. Coke Zero is a more recent attempt t...
How do shows end up on illegal websites hours after first airing on TV?
Record the show, upload it to the website. Am I missing something here?Tuning cards with hard drives can give you a video file, then you can just upload it to these illegal sites.
How did we arrive at the common structure for today's popular music? (e.g. Verse, chorus, verse chorus, bridge, chorus)
hopefully someone else can give a better answer, but a large of part of pop music in the US is based off Americana music like swing, blues, country and jazz. Verse-Chorus-Verse-Chorus-Bridge-Chorus is pretty much how blues songs go, and in the 50s when pop and rock were the same thing, blues is what influenced everythi...
Why do some people believe ADHD doesn't exist?
A big part of it is overdiagnosis. But it's an issue with all mental health problems, a lot of people just can't understand that mental health disorders are very real problems even though it's an "invisible" illness. As someone else mentioned, it's also a problem when people use ADHD as a descriptor outside of its medi...
How does the use of cocaine cause necrosis?
You are talking about cocaine induced midline destructive lesion. It's not fully understood, but it seems that cocaine causes your immune system to attack your own body. _URL_1_ Also, 70% of the cocaine in the US is contaminated with levamisole, which causes inflammation of the blood vessels and skin necrosis. But this...
What happened to the H1N1 virus?
Influenza viruses tend to come and go in waves during flu season. The H1N1 strain mostly died out after the 2009 pandemic, although since then there have been several small outbreak in other countriesActually, H1N1 has now become a seasonal flu, and is still circulating in 2014, although it as not as prevalent as it wa...
Why are some youtube videos not allowed to be viewed on mobiles?
Because the owner of the video does not get paid for mobile views, so, most of them choose to forbid mobile viewing.
In detail, how do sperm actually come in contact with the egg in a woman?
Semen have little tails that they whip back and forth madly to swim through the fluid in the vagina and cervix. The man just shoots them in the general direction of the egg and the little buggers will seek it out on their own.
Can someone explain why you sometimes break out in sweat before you have explosive diarrhea?
It's due to a vasovagal response. The Vagus nerve can be stimulated during a bowel movement when you strain. Bearing down can cause the veins in the legs to dilate causing a sudden drop in blood pressure triggering your vagus nerve. Severe attacks can cause fainting. Unless you faint, vasovagal responses or attacks are...
EL5 - Why Megaupload was seized?
They were stupid. Allegedly, they knew they had copyrighted material that was being shared with their service. The important part of this is that if they knew about it, but didn't take all of the required actions when notified of it, they no longer qualified for the "safe harbor" provision which prevents companies from...
Why does being overweight seem to increase your chances of getting just about every single disease?
Without getting into the specific details of each of those diseases, fatty tissue is not just an energy warehouse. Adipose tissue has a lot of properties that have widespread effects. Your liver has to work overtime to deal with all of the extra fat that is circulating in your system. Circulating fat can deposit in blo...
why I shouldn't feel bad about causality.
[Compatibilism.] Being aware that the mental process called volition is embedded in the causal mesh of the universe doesn't mean that you are some mindless puppet that has choices forced upon you. The notion of being "impinged upon" in this way is based on a notion that "you" are over here, and the "set of causal proce...
First Fundamental Theorem of Calculus
Derivative and integral are inverses; that means that the derivative of an integral is the original function. Why do you think that couldn't be true?
Why, after 113 years, has nobody made another everlasting lightbulb like the one at the fire department in California?
Three reasons to start with. That bulb was a fluke. You can make a bulb like that pretty easy, just by using a thicker, more durable filament, but that puts out more heat and less light and is very energy inefficient, and why would a manufacturer produce a thing they can only sell once?You can get long-lasting bulbs. M...
Why does a chicken have to extend its head out to walk with each step?
Humans have [eye stabilization]; you can look at something and keep it in your visual focus even if you move your head around - your eye muscles keep your eyes fixed on a target, compensating for the movement of your head. Birds don't have that, their eyes are mostly fixed, and they have to keep their heads still in or...
Why does my space heater dry out the air? Where do the water molecules go?
You understand that warm air can hold more water vapor than cold air, right? So if you warm up the air, the amount of 'space' for water increases, and so your skin and mucus membranes lose more water to the air as it seeks equilibrium.
Why are elderly people more likely to fall for scams? ("You've won the lottery of monaco, congrats!" Etc.)
A couple of factors. Elderly people often come from times where scams like this weren't as popular. There were still scams then, as all history, but in vastly different ways that didn't utilize modern technology. My 85 year old grandma used to think she had to connect to AOL before opening a Word document, so what shou...