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They are under your skin, below the layers that regenerate. Therefore they are not affected by new skin growth, changes in skin (like spots or a tan) etc, and thats why they can stay for at least a very long time. They dont last indefinately tho, most will at some point lose their color and/or fade. mostly it has to do... |
If you think a particular diet works for you, great, follow it. But science doesn't really support any of that crap... Mind the calories, get your vitamins, have a bunch of fiber and you're good to go. If you ate a bunch of fresh veges and got some protein, doesn't really matter where the rest of you calories come from... |
AFAIK, (I'm not a dentist or an orthodontist) This is purely from my own extensive research as I am about to get braces this month. I'm also in my 20s. The arch wire naturally wants to straighten itself out so in this process as it straightens your teeth will also straighten with it. There are actually proteins that br... |
Back in the day, every frame was completely hand drawn, one frame at a time. Then came cel-animation, which lasted the longest. It was used most famously by Disney and Warner Brothers, but was basically used by everyone. With cels, they would animate using a static background and a clear foreground that held the cel, a... |
Most surfaces are not perfectly flat at all. Even if it's not visible to the eye, surfaces are in fact REALLY rough which leads to the light being spread in all directions. |
Health insurance is the single ELI5 answer to this question. We have a multi-billion dollar industry standing between ourselves and our health care. The insurance industry making more money for everyone except the person who is sick and the millions that will never get sick. With insurance, there became a financial dis... |
On the contrary, Freudian psychoanalysis has been widely criticised as being non-scientific. It fails to make predictions that can be tested and shown right or wrong, and if a theory is not possible to prove wrong or 'falsify' then it's not really possible to prove right either and it's not science. Freud's work was im... |
When a company is founded the owners are the initial founders. However they often need money to grow and pay out their salaries. To do this they need more investors. The new investors take part of the ownership of the company. This means they get a place on the board. The board is composed of the different owners of th... |
It is worth noting that until fairly recently, phone's tended to have proprietary charging ports that were specific to the phone. The reason is that there wasn't a compelling reason to. Until USB-C, there wasn't a universal standard that could provide the power that a laptop required to run, so each company would desig... |
If we know nothing about the food, we use a calorimeter, which essentially uses the food as fuel to heat up a specific amount of water a number of degrees. From that, there is a formula to calculate the amount of energy in the food from how much the temperature of the water changed. I would assume that this is run many... |
What time dilation is not: --- In order to explain time dilation, let me fist explain what it is **not**. A popular, but entirely wrong notion of time dilation states, that time passes slower the faster you move. A quick examination of this claim, however, reveals that it cannot be true. There is no absolute velocity, ... |
Tooth paste does. All those terms are marketing terms to appeal to different types of people. Some care about a brighter smile, some care about no cavities, etc. I'm sure they could put "fat free toothpaste" on one and people would buy it for that reason. Almost all toothpaste have the same ingredients. Mainly because ... |
Because [it comes from the Latin word *pronuntiatio*]( URL_1 ). The question is therefore why the corresponding verb is 'pronounce' and not 'pronunce', and that is less obvious from [that word's etymology]( URL_0 ). |
The concept of a "memory palace" is based on the [method of loci]( URL_0 ) developed by the ancient Greeks and Romans in order to remember large amounts of information. The basic idea is that the brain is fairly bad a remembering long lists of things, but is very good at remembering other types of things (such as spaci... |
Realistically, there isn't any other league of consequence playing American football outside the US. So the winner of the NFL has a valid claim to being the best in the world. They're almost definitely the best pro team in the world too, just like the World Series winner is the best professional baseball team in the wo... |
Yes. The play starts when the ball is snapped and if the defense crosses the line of scrimmage before that, it's an offside penalty. The problem with this, of course, is that your own team mates fall for it as well and you end up with a false start and penalty on your own team. First, note that the QB can use any word ... |
One of the biggest challenges in math is it is very incremental. You can probably pass a test on World War II without knowing anything about World War I, but in math, if you don't have a solid foundation, everything built on it crumbles. And by solid, I don't mean remembered just enough to pass a final. I mean true und... |
The US drug buyer funds a healthy portion of global drug development, because most other nations set a single buyer that negotiates much lower prices (or foregoes purchasing) branded drugs. This is a pretty explicit policy decision (it also means that the US captures the majority of private drug development spending) a... |
Parts of your body such as your lips, tongue, eyes, fingers and toes are able to make small and precise movements. Because of that, the nerves take up more space in the sensory cortex so it only makes sense for those to be the first and easiest to move. Disclaimer: I know it didn't use correct vocabulary, a few words a... |
Red ants technically don't bite, they sting, by injecting a venom similar to a chemical found in black pepper. This is what causes pain and itching, and sometimes allergic reactions. Their red colour signals to predators that they're dangerous, and warns them to stay away. Black ants are black to help them hide in the ... |
Let's start with what *titration* is. Titration is when you determine the concentration of a solution. It is frequently used in acid/base analysis. The idea is that you have a solution with a known concentration, called the titrant, and you add a known volume of it to your unknown solution. Say that we want to know how... |
First, a green plant uses the solar energy to drive chemical reactions that build energy-containing molecules out of smaller pieces. The plans creates sugars and starches. Second, you eat the plant, and your body uses these molecules to drive a wide range of chemical reactions that keep you alive. One of these many dif... |
The body attempts to heal damage done to it. Not so much when it's dead. So in the case of wounds you can simply look at the quantity of white bloodcells in the area to determine if the body was attempting to heal the wound. There's similar tricks for all sorts of injuries that have been learnt over the decades. Anytim... |
It's likely due to the fact that the current political climate has led to extremely polarised views, and lots of pointless childish name-calling between them. It makes it all a bit useless when you want facts or real discussion, and instead get people being called cucks or racists all the times. Each sub has it's own g... |
Nothing. There is no scientific evidence that masturbation, in moderation, has any negative effects on your physical or mental health. It's generally understood to be a normal and healthy sexual habit. It's perfectly natural and observed in many animals. Don't listen to /r/nofap. They're delusional. |
Who wants to know? What are you a cop? |
Quite possibly. History has several examples of this happening. For example, Australian Aborigines look *very* different from most other people. For another example, Europeans (and their descendants) with their pale coloring look *very* different from nearly all other people (with their brown coloring). No, not necessa... |
Through the burn of a typical cigarette, the smoker ingests about 1 mg of nicotine. 50% of the nicotine in an e-liquid is present in the vapor. So consuming 3 mg in a 1 ml tank would expose you to 1.5 mg of nicotine, roughly 1 and a half cigarettes. Your body's addiction to nicotine is much better at this math than you... |
There's a bunch of different, completely unrelated drugs used in anesthesia. Some are opiates, some are benzos, some are something completely different. Novocaine, a topical anesthetic, and its derivatives are based on cocaine. The term doesn't describe a mechanism of action but rather is a term to describe the end res... |
Point a flashlight at the wall and turn it on. See the small circle? Now, let's say your flashlight is delivering xyz power to the wall. So xyz power is landing in that circle, right? Tilt the flashlight in any direction. The circle spreads out across the wall doesn't it? But you didn't change the batteries or anything... |
Usually it is because they get bored and want some kind of stimulation. It also could be something they do when they are nervous and it helps release some energy to call them. |
Because it's more socially acceptable to complain about them "taking jobs" than it is to admit that they just hate brown people. If it were really about the jobs, then they would get angry at the companies that hire illegals. It's not really about jobs. It's about covert racism, hiding behind a weak jobs claim. To some... |
When light refracts at the boundary, it also reflects. This reflected light carries momentum which then satisfies momentum conservation. |
A little analog: When you have your first place to live (house, apartment and so on) that would be version 1.0. If you were to make changes to it, like renewing the kitchen, then you get 1.1. So after a few years, after much work of making change you could and up with let's say 1.12. But then you home to somewhere and ... |
I suppose it is because they contain menthol which is a known ingredient that causes cooling effects on the skin so I suppose on the mucous membranes as well. Menthol is used widely in the cooling lotions for muscles, those that don't contain any real medicines like the joint pain ointments. I think it might have the s... |
Toilet paper is designed to break apart pretty easily. Try taking a piece and getting it moist like you were wiping down a table- it'll start to crumble very easily. There are standards for how much agitation before they break apart. As far as "flushable wipes", feminine hygiene products, cotton pads etc- *don't* flush... |
Radioactive dating, for one. Radioactive materials are very common in nature (bananas, for example have a lot of Potassium-40). Radioactive decay is fairly regular and quite predictable. You might have heard the term "half-life" before. A half-life is the time period over which half of a given sample of radioactive mat... |
If I remember my high school anatomy correctly, it's because hair will continue to grow as long as the follicle is alive and even somewhat intact. If you pull a hair and the entire follicle/matrix sheath comes out with it, that hair is less likely to grow again. It's possible that the monobrow hairs just have a more te... |
We can. We know greenhouse gasses have a specific opacity/transparency to certain wavelengths of light, such that visible light passes through them (and reaches the earth) and thermal radiation gets absorbed (and so has trouble leaving the earth). We know that we release a specific amount of these into the atmosphere, ... |
Sound waves are literally just movements of the particles that make up a medium (usually air for humans). Situation 1: Your liquid stream hits the solid porcelain side of the bowl. There is nowhere for the force of it to go except to spread out in roughly all directions, and it barely "slices" through the air along the... |
Solar systems do not orbit the sun (star), they orbit the center-of-mass of the system. It just so happens that the center-of-mass is inside the star in most cases, because the star is so massive compared to the rest of the system. Same goes on the galactic scale. The galaxy has a center-of-mass that everything orbits ... |
Clouds of gas [congregate]( URL_0 ) and condense. Then hydrogen atoms get [Lucky.]( URL_1 ) As the energy increases, the probability of fusion increases, and a star is born. Hmm now that I think about it, congregation and luck seem to be how most births happen.... |
Well, when you have more time to consider all the qualities of something, you have time to pick out the things you do like. And if you are mostly focused on the things you dislike about something, eventually you will learn to grow accustomed to these qualities and even reason them into being able to deal with them. Thi... |
the pain isn't excruciating, it's just mixed with fear since the cause and cure are unknown to a child. when you get soap in your eye as an adult, the pain is the same, you just don't panic that your eye is on fire and permanent blindness is your future, you just rinse it out. |
Kind of. In a pretend world with zero privacy, the authorities are able to peer inside your mind and discover if you're planning to do something bad. Zero privacy, total security. In a pretend world with total privacy, an attack can never ever be prevented. Zero security, total privacy. The issue stems from the ways in... |
It's usually an an obstruction of some kind, like smagma or semen, bits of fabric and the like. Keep your stuff clean and it won't happen too often |
Gets people to use the paid survice, more "girls" in the area, more chances a guy will pay to get more swipes and vice versa(but not really). |
These divisibility rules are due to the way our numbering system, known as "base 10," works. If you want to write out a number 12345 in base 10, then what you're really doing is writing: 12345 = 5(10^0) + 4(10^1) + 3(10^2) + 2(10^4) + 1(10^5) When you want to see whether a number is divisible by 3, the question you are... |
Sleep is for your brain; it's not needed for the rest of your body and has nothing to do with physical energy When you sleep, you brain clears itself out harmful toxins. The flow of cerebrospinal fluid in the brain increases dramatically, washing away harmful waste proteins that build up between brain cells during waki... |
storage is a collection of 1's and 0's (bits) and 8 bits form a byte. all the information about your files, programs and anything else is stored in this binary form. lets just call this the data. however just storing the data isn't enough. you have to be able to manage all this data, and how to find it all. that way wh... |
To continue from what u/allfeelingsaside said, it's been proven that playing video games actually strengthens connections in the brain, especially if you're learning as you go and staying away from the increasingly-available guides and help on the Internet. Most games take a certain amount of strategy, and as a gamer s... |
It depends :) In a modern, civilised and industrialised region the water goes through pipes to a water treatment station. This water follows the same path as the water from the bathtub, kitchen sink or toilet. The treatment station tries to purify the water through several organic methods (plants, algae, etc..) and ino... |
That's the basis of one of Einsteins biggest theories. The gist of it goes that all observations around you are based off of the Frame of reference you are in. For example. Two astronauts are next to each other and use a jetpack to move away in opposite directions. To one astronaut it would seem that he is standing sti... |
Undergraduate psych major here so I'm going to try but you'll definitely be getting better answers here. So you have your two tracks of information coming in. Your attended and unattended information. Essentially what you're paying attention to, and what you're not. So there are multiple models of how memory is process... |
Recordings. When you're playing online, you're not getting a good, high fidelity recording. However, if a good mic picked up your voice and filtered and played it back well, that'd be your real voice. It sounds different to you because it travels through all the fleshy tissue and bone in your head before hitting your e... |
The male snake sticks it's penis inside the women's snakes vagina and they fuck. Sometime later momma snake lays some mother fucking snake eggs and bam! Baby sneks! |
The system to return blood from your feet back to your heart is quite complex - you have a sequence of one-way valves in your leg veins, and movements of the muscles in your legs squeeze the veins, helping to push blood back up. If your bones are broken, you don't move your muscles much, so this system doesn't work as ... |
They have small, well, horns. Usually placed behind the front bumper, and there are usually 2 of them. As far as alarms go, if it's not using the factory horns, they often have a megaphone looking horn of its own. And these can be placed anywhere, but usually under the hood, relatively high on the fire wall so a thief ... |
Whomever ELI5's this, please try to be non-partisan. I'd actually like to know what is being setup as opposed to why it's worse than Obamacare |
The space in the overhead bins is often scarce, and even when it is not, people often fill them inefficiently, keeping a jacket or something first. Most people do not want to check-in their carry-on and hence the rush to board the plane first. As a business traveller: If you're not able to board early due to elite stat... |
These games are done in 2 game series (home and away), and the total aggregate score from both games determines the winner. BCA lost the first game 4-0, meaning they were pretty much screwed going in to the second game. With 2 minutes left in the second game, they were up 3-1. But with the aggregate score, they were st... |
This is a complicated question, but I think it has to do with the fact that your brain has cells (neurons) that need to connect with each other and develop before long term memory develops. Usually, long term memories start being made around age 3, which is why you can remember things from about then The part of the br... |
That is just what happens when you cram a bunch of circles together. Bees make circular/cylindrical containers for their honey and eggs, since those have the most volume to wall material ratio. When these are all smushed together you get hexagons. |
It's like with LP records or black and white films. When movies came out the film equipment operated at 24. So people got used to 24. So other than 24 doesn't look right. Today, 24 is literally called cinematic quality. In comparison, video rates (30/60/120) look to smooth and 'artificial'. |
There are rare cases where individuals or companies are able to sue. They have to show: * That they were actually spied upon. This is difficult because everything is secret and classified or similar. * That they were actually harmed. While there is plenty of theoretical harm, showing actual harm is difficult. * That go... |
The short version: Circumstantial depression - you are sad, because something happened that made you sad. If you told anyone else about it, they would understand why you feel sad. Clinical depression - your entire emotional system is depressed, in the sense that it is functioning at a lower level than normal. You are n... |
your vocal cords are muscles. after sleep all of your muscles are more relaxed. so your vocal chords act like a "floppy" rubber band and produce a deeper sound. during the day your vocal cords get more tension from talking breathing and gerenal activity so your voice changes slightly over daytime. |
Well, not to be too blunt about it, the immigrants got busy and America has plenty of space to get busy. People came over in large quantities (approximately 16 million through Ellis Island between 1892 and 1954, and that's just one point of entry), found enough land and resources, and were fruitful. For a long time, th... |
Wizards came into existence way back, probably in the 1990s. There are many situations in software where you want to do a task, and there are lots of options. Before wizards, you'd be presented with a huge dialog box on which you could set all of the options. But as software became more complex, this became less and le... |
When a loop station is in "record" mode, it takes the input (guitar, bass, microphone, synthesiser, anything that has the right jack and volume level) and records it to its internal memory. Then when you stomp on it again, it'll go into playback mode, where it'll just play back its memory (sometimes synced to a tempo i... |
The conscious brain is story telling machine. It likes to have things form a nice linear storyline. But sometimes we don't get all the information, weather it's missing, obscured or forgotten. So it'll have a play around to make things fit, filling in gaps and adjusting bits that don't fit the narrative. We need this t... |
It is biologically engraved in us. Seeing water and fresh landscape meant survival in ancient days All inherent human characteristics are the result of evolutionary pressures. Being attracted to bodies of water brought us closer to food sources rich in Omega-3 fatty acids, [which scientists theorize was pivotal to the ... |
Historically, it came about because married women were not expected to work. If a man was older than his wife, he would retire at 65 and collect his pension but his wife would not yet be eligible. The couple would be forced to survive on just the man's pension until his wife reached 65 and could also receive a pension.... |
In advanced I'm on my mobile so I apologize. I'm also going to bring it to layman s terms so I'm not concerned if it's not **exactly** correct This condition is called Takotsubo Cardiomyopathy aka "Broken Heart Syndrome." It does not need to be a sad event it can also be a joyous occasion. In every way it's symtoms mim... |
Silicon is made into an insulator by oxidizing it. It becomes more conductive when doped with very small amounts of other elements. Silicon has four valence electrons in the outer shell. If you mix in a little boron or aluminum which have three valence electrons, you create an P-type semiconductor. Conversely, an eleme... |
Every day batteries are a standard size - 1.5V or occasionally 9V. Never seen something need multiple 9V batteries so we'll stick to 1.5V. Using multiple gives you whatever voltage you need. 2 gives 3V. 4 gives 6V. Bigger batteries give you more duration. So, having lots of small batteries means you can switch the same... |
Don't need good social skills to dig through a dumpster for discarded food or clothing. There are also soup kitchens that might feed them as long as they behave while on the premises, even if they might still say unusual things. They might have good and bad days too, like most people. Perhaps they're able to keep it to... |
The problem is the drivers for the hardware. A driver is a piece of software, that tells the OS how to talk to the components (e.g. camera, wifi-chip, modem, graphics chip, processor, etc.). On the computer you got standards for most stuff, so it is possible, to get basic functionality working with a default driver, bu... |
They are in a geostationary orbit. That means that the satellite is rotating with the earth, and remain directly overhead. The satellites are in geostationary orbit, a circular orbit above the equator at a height that gives an orbital period synchronised with the Earth's rotation. So from your point of view the satelli... |
"“Our whole system is based on personal trust,” an exasperated Clapper said, adding that there were no “mousetraps” in place to guarantee there wouldn’t be another Edward Snowden. The NSA has enacted tighter restrictions on when and how agents can access classified documents since Snowden’s heist, including a “two-man ... |
100th percentile would be the group below which 100% of people would fall... So the 100th percentile would be the section above what anyone scored. Edit: Think of it like 'x percent of people are below this point.' If 100% of people are below it, no one is there. Scoring in the 99th percentile means that you've scored ... |
The gold standard is a monetary system where the value of the currency is based on a certain gold quantity. The link between the Great Depression and the gold standard is based on the leak of gold property by the Gold Exchange standard system. The stock market used a strategy of speculation on the debt instead of inves... |
There are two radio transmission standards in the U.S: Sprint, Verizon and U.S. Cellular use CDMA, while AT & T and T-Mobile use GSM. GSM is also the standard used in most of the rest of the world, so an unlocked AT & T or T-Mobile phone can usually be used abroad by inserting a local SIM card. Some phones are only ava... |
It isn't true because each die roll is an independent event, they have no effect on each other. Think about it, if you roll a 6 on your first try that doesn't mean you won't roll another 6 the next time, or the next time. So the 1/6 chances for each roll do not simply stack up to make 6/6. Think of it this way. If you ... |
First we'll note that the rational numbers are "as infinite" as the counting numbers. We can create a mapping between the counting numbers and the rationals by placing the rationals in an order like [this]( URL_0 ) (and skipping any points in that sequence which repeat rationals we've already seen). So now we want to s... |
Seems like most of these answers are just reiterating why oral or IV antibiotics alone don't solve abscesses, while you're asking why we can just put a needle into the cavity and push the drug in. 1. Abscesses are often acidic to a point where their pH would change the composition of the antibiotic to the point where i... |
When a person sues because a police officer violated their civil rights, the lawsuit is almost always against the officer. Sometimes you can sue the local government if it has an unconstitutional policy (like a secret racial profiling policy you could somehow prove existed), but if there's no specific policy then the s... |
The answer will be a bit unsatisfying because honestly we just don't know. We don't know entirely why or how anti-depressants even work. We don't know entirely why or how depression works. And not all cases of depression have the same chemical reasons behind them. What we do know is that, X, Y and Z chemicals, in most ... |
The Russian government could in theory have hacked into Democrats' emails and used the information that they found to make the Democrat candidates look worse or to find out what their campaign tactics were, and then passing the information on to the Republican campaign. That seems to have been one of the most common al... |
Part of what makes jokes funny is an element of surprise or tension. When you explain the joke (presumably they've already heard the joke in it's entirety by this point), there's no unexpected twist. You can see where the joke is headed and you know the punchline before they get to it. Many kinds of jokes are centered ... |
Part of the allure of a "new car smell" is the excitement of stepping into a brand new car... fresh off the assembly line, free of dirt, dust and human skin cells. "New Car Smell" seeks to recreate that experience, rather than emulate the actual smell... which is the smell of phthalates, VOCs and offgassing glues... an... |
So we need to talk about what semiconductor devices are, what they're made of, and how they work. A semiconductor device is built from two metals in what is called a junction. This can be as simple as two metal foils compressed together, but in modern electronics, they use a form of lithography to bond layers of metals... |
Your phone has a hunk of memory dedicated to long-term storage, and another hunk saved for short-term storage. When you download songs, you put them onto long-term storage. Streaming uses short-term storage, adding and deleting whatever it deems necessary. Presumably you could jailbreak your phone and fiddle with the r... |
They use the same general architecture as typical PCs, just in much greater quantities, and higher quality components. Their RAM almost certainly is of the ECC variety, which is basically the same type of RAM technology as used in normal PCs, except they have an additional chip on them that calculates checksums, to ens... |
The resonant frequency of a chamber changes when it's open at one end vs being open at both ends. FWIR it's different by a factor of two [1]. So if you're driving a certain speed, and that's able to drive a vibration frequency in your car, when you "open the other end of the chamber" the same wind speed will likely not... |
Significant, I wouldn't say. The source of the water changes its composition, and therefore also the taste. If two brands get water from the same source, they would be practically identical, unless one of them really screwed up the bottling process. Unless you have a serious mineral deficiency, I can't imagine one bran... |
First they came for the Socialists, and I did not speak out— Because I was not a Socialist. Then they came for the Trade Unionists, and I did not speak out— Because I was not a Trade Unionist. Then they came for the Jews, and I did not speak out— Because I was not a Jew. Then they came for me — and there was no one lef... |
The perception of time durations are crucially bound up with memory. It is essentially our memory of an event that allows us to form a perception of its duration. We subconsciously infer the duration of an event from our memory of how far in the past something occurred, of how long ago the beginning and end of the even... |
A DDOS attack works by bombarding a website with so many commands that it has to shut itself down. It's effective if you have enough computers to do it, but the bigger the site, the more computers it takes to shut it down. It's also illegal to do a DDOS. It would be difficult for a government to do that without getting... |
> ELI5: How does zero-point energy work Zero point energy is simply the minimum possible energy that can exist in a system. Even at absolute zero, particles can't be completely stationary but have some remaining motion. To do otherwise would violate the uncertainty principle. This remaining 'wiggle room' is the zero po... |
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