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Why are all the boxing title belts not unified? | There are multiple organizations that list champions . They all have different rules, so it's possible that a champion is stripped of his belt by one organization, but not by another. Usually this happens because a competitor doesn't fight for a long period of time, or doesn't grant a rematch that was mandatory under t... |
How did they add text to movie scenes (ex. In the credits at the beginning of an old movie) and TV Shows before computers and digital editing? | In the Star Wars films, they painted the words on a piece of glass and then ran the camera across it at that angle you know and loveThey filmed the credits which were printed on paper, then used dual exposure to print a new negative which contained both the credits and the movie scene.Before digital machines effects on... |
Why can't Americans themselves keep the net neutral? | Because Americans can't make companies do what they want simply because they want it. In most areas, ISPs are a monopoly, and if you want to get online at anything faster than dial-up speeds, you have only one choice. If that one choice decides to screw you over because it's not illegal, there's not really anything you... |
What is all the controversy surrounding stem cell research/testing? | Stem cells are often gathered from what's left over after a woman has an abortion. Many people have a problem with this. |
Why does everyone seem to think that drinks in glass (cups/bottles) are better than drinks in plastic cups and bottles? | Glass is generally chemically inert, which is why labs use glassware and not plasticware. Some plastics can leach chemicals into the contents. Not all, but since most people don't know which ones are safe for what purpose we rely on manufacturers to choose wisely. That puts your health in the hands of people who's only... |
Depth of Field, F-Stop and Apertures (that sort of camera stuff) | F-Stops are a way of measuring the aperture. The aperture is the size of the hole that allows the light in to take the photograph. The larger the number, the smaller the aperture. The aperture dictates the depth of field - the amount of the photograph that would be in focus. The best way to begin understanding this is ... |
Why do some young mammals have such a hard time realizing their tail belongs to their body? (Hence the chasing.) | Sometimes behaviors start for one reason and continue for another. Baby humans will spend hour watching/catching/chewing their hands and feet because they don't quite recognize them as part of their own body yet. Humans tend to outgrow the behavior because we have lots of ways to use our hands and feet to interact with... |
When talking about deceased people why do they refer to them as "late"? | It was noticed over the years that once a person stopped breathing, they rarely, if ever, arrived at their destinations on time. That is of course, without the assistance of the more vertically abledI'll actually take the question more seriously and give you a non-joke answer. The term "late" has been in place of "dead... |
What's the difference between "I'm stressed" and "I'm anxious"? | If you're just saying it, from a layman perspective, both are subjective. They basically mean whatever you want . Now if a psychiatrist or psychologist says "You are under a lot of stress" and "You are suffering from anxiety", then we're talking medical terms and in *that* case they are radically different. "Stress" wi... |
How do radio telescopes work and why do we use them? | Radio telescopes work much like regular telescopes do with light, but with radio waves. Radio waves are part of the electromagnetic spectrum like light, but have a much longer wavelength. They are used because the long wavelength is capable of penetrating things better than visible light . This means dust clouds and su... |
Déjà vu? What does it mean? How does it happen? | It's french for "already seen". As far as I know, it happens when you expirience any random action/feel/sound/view/etc and the synapses in your brain react/connect wrong by accident. The input information goes to the wrong place, where other input is already "stored". The brain gives the output that this expirience isn... |
how did we evolve male-pattern baldness? | It hasn't been weeded out by evolution because it doesn't usually appear until after peak mating age. |
Why did gas prices get outrageously high years ago and what eventually brought the prices back down? | It would be good to mention that in the US, we had an energy revolution between '08 and '12. Oil companies invested heavily into the domestic shale fields. Technologies include going from 2D seismic to 4D which nullifies the old 80/20 equation. Technologies also improved where instead of drill a mile long shaft that us... |
why are Chinatowns celebrated in American cities as tourist destinations? What's the cultural significance compared to say a Braziltown? | We do not have a lot of Brazilian immigrants, and those that we do have are not extremely likely to congregate. That said if a Braziltown did form it would not have the same draw as a Chinatown because it is not culturally different enough. Brazil is a former Portuguese colony and much if not most of their culture has ... |
What is a nicotine buzz and why do we get it? | Most of the effects of nicotine can be attributed to a release of a chemical called acetylcholine which binds to receptors in the brain increasing alertness and enhancing concentration. Positive feelings might be due to the drugs enhancement of dopamine action in the nucleus accumbens or reward center of the brain. Dis... |
Why don't news shows have to censor brands but TV shows do? | Usually the brands are censored on TV shows because the producers of the show either asked for the brand to pay for an endorsement op and they said no, or they don't want to piss off any brands that did endorse the show by putting another brand on for free. Plus there's always a risk that the brand owners may not want ... |
How do Coronal Mass Ejections affect the International Space Station? | Slight misconseption here. Aurora Borealis and Aurora Austrialis occur because the magnetic field weakens at the magnetic poles of the Earth. Now while the ISS does not orbit around the equator, it never passes 51.6 degrees North, or South so it does not go all that far north or south. The ISS is still fairly protected... |
Why do healthy foods at the stores nutrition labels always seem devoid of nutrition? | In general it's because of companies and farmers lobbying the FDA about what essential nutrients appear on the label. Iodine is an essential nutrient, why isn't it on the label? Vitamin C is essential, but in everything; why is it on the label? When you showcase only calories, iron, vitamin c, and only a couple others ... |
Pi. Why is it infinite and how do people approximate it with such accuracy? | Pi isn't "infinite" - its representation as a decimal fraction is infinite and non repeating. The thing about Pi is that it's *irrational*. Irrational numbers are, by definition, numbers that can't be represented as the quotient of two integers. There's a simple theorem that says that a number is rational if and only i... |
What happens to money that was destroyed (or found to be destroyed) during a police investigation? | New money is printed and old money is taken out of circulation and destroyed all the time. > would they reprint the money they found that was destroyed They wouldn't print "special" money just for this case. It would just be done on the normal schedule. > I always thought you couldn't just "lose" money out of the syste... |
how does someone blowing their breath into a device give their blood alcohol content? | A certain amount of the alcohol in your blood evaporates through your lungs and is exhaled. The rate at which that happens is related to your blood alcohol content, so a breathalyzer can pretty accurately estimate your BAC by the alcohol content of your breath. |
Why hasn't Sega made a new console in the past 10 years? | They lost money on the Saturn and the Dreamcast. Probably the Megadrive add ons too. So instead of risk going under, they bailed and focused on the profitable side of their business, software. And for them to re-enter the market they'd have to take on several behemoths - Sony, Microsoft, Nintendo. Not too mention Steam... |
Why do we give negative feedback more weight than positive feedback? | Negative feedback is relayed to more people, more often, than positive feedback. The old adage goes something like : "An unhappy customer will tell 10 people about their experience. A happy customer will tell one person about their experience." By extension, negative feedback is more likely to alter perceptions . ergo,... |
How is the universe ~15 billion years old yet span over 80 billion light years in diameter? | The universe is expanding. During the early expansion it was expanding much faster than the speed of light. The current [understanding of metric expansion in the universe] is subject to some debate, particularly the effect of dark energy.**Short but non-descriptive answer:** Because the universe is expanding. **Longer ... |
Why does "top shelf" alcohol taste so much smoother than the cheap alcohols? | When spirits are distilled, the liquid comes out in 3 parts, heads first, then the heart, then the tails. The heads and tails contain lots of nasty things such as fusel oils. The best spirits / top shelf producers only take a small part of the heart which contains the cleanest spirit. This means less hangover/bad shit ... |
How can a corporation create more stocks if stocks are just a percentage of ownership of a company? | The Board of Directors have to approve the sale of any new shares. For a smaller private company it's often a gamble. The existing shareholders willfully take a cut in their percentage of ownership so they can get funding to expand the company in the hopes that the expansion will make the company more valuable, and the... |
What is the advantage of using a diode with a solar panel? | It prevents the battery from discharging into the solar panels when their voltage falls below battery voltage. If you're just hooking them straight to the motors with no other power source, I wouldn't bother. |
If I had $1Billion, what "Bank" would/could I deposit it all in. | It would be stupid to put it all in one bank because, for one, banks can fail, and two, it could be put to much better use. Ideally one would invest most of it in various forms of assets like stocks and bonds, real estate, etc. |
What gives food their taste? | Food contains chemical compounds. Our tongues and noses contain receptors linked to nerves. These receptors have very specific shapes. When a chemical in food has the right shape, it binds to the appropriate receptor. This triggers a nerve to send a signal to the brain, which interprets the signal depending on which ne... |
Why does our brain allow self harming activities? | Way back when before civilization, self injury was sometimes necessary. If you had a hunk of wood in the your leg you would remove it. If your arm was trapped, you’d dislocate it if it meant freedom. For survival, the ends ALWAYS justify the means.I don't think something like scratching wounds has ever been so detrimen... |
What causes the "burn" in your muscles when you're working out? | There is a common misconception that lactic acid build-up produces the burn in muscles. There is evidence that the burn is more likely caused by the build-up of protons in the muscle after the breakdown of ATP for energy. Protons makes the environment acidic and this causes the burn. |
Are incognito windows used for anything other than porn? | They're useful if you want to enter your credit card number on somebody else's computer browser for something without having it try to remember all your details. They're useful if you're doing travel booking, a lot of sites that sell flights and hotel rooms leave cookies on your browser that raise prices the more you l... |
The Big Short, why were there no repercussions for banks or bankers? | > if anything did change to prevent it in the future Not sure about the US, but in the EU there has been a lot of banking regulations, banking reserve funds, and minimum reserve requirements for banks that have been added. > what happened to all of the bailout money. The bailouts were loans. They were paid back, and in... |
Why do we get very uncomfortable/get chills whenever we hear very squeaky sounds (like fabric pillows being scratched)? | Copied and pasted from the post [here] by kaze_no_saga: There are two theories. The sound resembles the cry of alarm of the primates long way down the evolutionary lane; The sound frequency resonates within the human ear canal, causing it to vibrate violently. |
Why am I so much thirstier when I wake up from a nap than just regular sleep? | naps are less restful. your body doesn't slow down the same way it does when you crash for the night. you're just spending more energy. |
Why do beech trees and hedges retain dead leaves on their branches, while most other species of tree shed them? | They give off the appearance that they are keeping them but really the leaves are fully abscised, that is, the plant has cut off all nutrients from the leaf by walling it off. The only reason why it stays attached to the tree is because of the connective tissue in between the dead leaf and the tree is thicker in those ... |
How are sports betting sites like Fanduel and DraftKings able to play out so much money? | i think its cause a lot of users pay which add up but they give u a free 10 tokens to get hooked |
What are artificial flavors made of, and how are different flavors created? | The can come from anyone you can imagine. For example Castoreum is the exudate from the castor sacs of the mature North American Beaver . It is used as a substitute vanilla flavour for food and drinks. _URL_0_ |
What's the point of all those crazy chemicals in cigarettes? Do they really put "rat poison" in them? | "Arsenic is not actually an additive in tobacco. It is in the tobacco smoke. Ok, so commercial tobacco companies add about 600 additives, on average. Some of them are synthetic, some of them are natural products, ALL of them are fda approved for use in food. Most cooking does not involve the chemical reaction of combus... |
how is medical marijuana a justification for it being legalized for recreational use? | Currently, marijuana is a schedule 1 drug. This means that according to the government, it has NO legitimate use, and is very dangerous, and a high potential for abuse If medical use is accepted, this means that the DEA is admitting it was wrong about no medical use , and as such, it isn't too much of a stretch to beli... |
How can websites know when I'm on mobile and use mobile-version of that site yet can't know when I'm using a computer to redirect to normal version? | The site definitely knows that you're visiting it with a desktop instead of a mobile device . Keeping you in the mobile site instead of redirecting you to the desktop site is just a choice by the site's developers. The main reason for this choice is that websites' desktop versions are the default, so developers assume ... |
why it's acceptable to eat animals like cows and pigs and fish, but it's unacceptable to eat animals like cats and dogs? | It's a cultural thing - in a lot of places, people tend to classify pets and food differently, regardless of what actual animal they are. People allow themselves to get attached to pets, consider them family, etc, so killing them, let alone eating them feels as barbaric as eating a member of the family.Dogs have person... |
Why does water like to bead on some surfaces? | Car paint is hydrophobic. The reason it beads is because it isn't absorbed into the paint and gravity isn't strong enough to pull the water down the slope of the car. Water beads because of surface tension, which is a property of liquids where it naturally seeks to form the least surface area possible. It's also why wh... |
What exactly do Neural Networks in AlphaZero/LeelaChess do? | If you're going to do a Monte Carlo Tree Search, you want some way to assign probabilities to candidate moves. If you favor moves that are likely to be strong more over moves that are likely to be weak, you're going to do much better than if you pick moves uniformly at random. The neural network spits out a vector of m... |
What kind of experiments do they do on the ISS, and how are they only relevant on the station? | They do all kinds of experiments, and they're only relevant on the station because that's the only place that we have that's in sustained freefall, not to mention easy access to solar radiation and near vacuum in unlimited quantities. Say you want to know how salt crystals form in higher gravity than earth. That's easy... |
Why does the president sometime use multiple pens when signing a bill? | Everyone involved in the bill, or at least the sponsors of it all want "The pen" used to sign the bill. You can't give everyone the same pen, so he uses severalFor important bills, the pens become commemorative items, something that might wind up in a museum. More pens mean more commemorative items. |
Why do people think they can tell when someone is looking at them? | As humans, we're often lousy at trusting our intuition when it comes to validating a belief. We tend to ignore evidence that conflicts with an assumption, and overvalue evidence that agrees with it. So if we get a prickly feeling, and we look around, and make eye contact with someone, we think \'oh the prickly feeling ... |
Why do we sometimes experience tremendous mood shifts based upon music? | It's based on you experiences you have had with these genres. For example, I used to listen to the most annoying alarm clock every morning because it was the only thing loud enough to wake me. One day I was walking through a store and heard a sound with the same frequency going over the PA and immediately felt angry ab... |
Why do faraway objects in a mirror seem blurry if you have bad vision and don’t wear glasses/contacts? | For the most part, it's the same light that you'd be seeing if you were looking directly at the item when you're looking at a mirror. This means the same optical issues also apply. It's basically no different than looking directly at it in terms of how far it is. Contrasted with a screen, when you're not actually looki... |
Why is water so heavy if it's the lightest element mixed with the eighth? | Because it's very dense. And it's not *that* heavy, in the grand scheme of things. |
Why doesn't every car has a turbocharger/supercharger? | You need higher octane fuel to get the full benefit, it adds complexity and cost to the engine, and reliability suffers. As fuel prices rise you'll keep seeing more and more of them because the balance is shifting but there is no free lunch.Because it would be too reliable, and too economic for oil and car companies to... |
Why are smells stronger in the heat, rather than the cold? | Your sense of smell works by picking up molecules from the air. Many things emit these molecules regularly. "Volatility" is a measure of how frequently something will emit an odor-causing molecule. When temperatures increase the speed of atoms increase, which leads to an increase in volatility. Basically, you smell som... |
Game engines (Unreal, Unity) and how they are being used to create content. | Each individual model will be created in something like 3DS Max or Blender. Then they're put into the engine. The engine figures out how to put all the models in the same scene, how the light would reflect off the objects and what shadows they would cast, how the water would flow, and so on. |
How do the ubiquitous 'cardboard' milk cartons not leak the milk everywhere? | They are lined on the inside with plastic. The plastic layer is impermeable to milk and that's why the carton doesn't leak. |
What happens to the energy made from revving the engine of a vehicle while in park/neutral, since it's not going to the wheels? | There are a few things all this energy is turned into. 1. Heat. As any engine it produces huge levels of heat that are disipated via the cooling system 2. Friction. 3. Rotation. While yes your car is in park/neutral you are still turning a mass. Example, in my manual putting the car in neutral and revving it causes the... |
How are borders that overlap with rivers determined? | 1 down the center of th channel. So, if you are in a boat, basically whichever shore you are closer to or 2 The bordering states share responsibility for the water, from shore to shore, so you are technically in both. The ST Croix River between Minnesota and Wisconsin is this way or very rarely 3 Nothing except emergen... |
Why do popcorn bags tell you not to use the popcorn button on the microwave? | Because the popcorn button is evil. Depending on the power of the microwave and the size of the bag, you may end up with unpopped kernels or burnt popcorn. Better to just listen to the bag and wait for the kernels to mostly stop popping to take it out of the microwave. That's the best way to maximize your popcorn witho... |
Explain new study about Ibuprofen | The study gave 31 men either 1200mg of Ibuprofen or a placebo daily for 6 weeks and found that it caused a temporary reduction in testicular function. It's important to remember that this is just a single, very small study, and as far as I can tell it has not been replicated. It's also important to note that they gave ... |
What does the term micro aggression mean, and why would anyone care? | A microaggression is a very small gesture on your part, often unnoticed by you, that conveys a message of your part as "the oppressor." In my opinion, it's one of the more ridiculous aspects of critical race theory. It seems like more of a way to micromanage people based on actions that they aren't even conscious of. A... |
Why are computer generated visuals way more advanced than sounds/voices? | When you know exactly what is going to be said it makes a million times more sense to just have someone read it off the page. Siri and other "computer voices" need to make words and sentences out of whatever audio database they have available to adapt to any situation.Creating visuals is pretty basic math, something a ... |
Why is ice made from hot water clear? | Heating causes most of the dissolved gases to come out of the water, so they are not there to cause cloudiness when you then freeze it.It's not always this way. I've tried this experiment a bunch of times, and even with boiled water, it always winds up cloudy for me, just like using regular cold water straight from the... |
If we can see a representation of 3 dimensions on a 2 dimensional screen, why can't we see representations of 4 dimensions in a 3 dimensional environment? | We can. The problem is that a 3-D representation is just a "slice" of the full object. You 'd need to somehow animate it to grasp the full 4-D nature of it. [Here's an example] of a 2-D representation of the 3-D representation of a simple 4-D object. You need to keep in mind that the "motion" you see isn't really a tra... |
Why are we expected to tip for food, but not any other services? | You *are* expected to tip for other services. This includes hairdressers/barbers, cab drivers, valets, coat-check employees, bartenders, hotel doorman who helps you carry your bags, and a few others.I think that tipping is just something that should be erased forever. If I order a pizza that costs $3.50, why should I g... |
how do rockets fly in space? | That don't push against the air. A rocket propelled by throwing mass behind. Actually the air reduces the efficency of the rocket engine. You can find out more about rocket physics here : _URL_0_", 'Rockets never push against air, they push against their own exhaust. Throwing hundreds of kg of exhaust gasses out the ba... |
What was the "fuel" in the hyperbaric chamber explosion caused by a spark from a horse shoe? | A hyperbaric chamber has a higher oxygen content and more pressure than regular air. It's not that there's something special to act as fuel, it's that anything which normally would cause an explosion will cause a much larger one when there's more oxygen and pressure around. In terms of the question of fuel, you are cor... |
If Asian cultures stereotypically pronounce the letter L as the letter R, why is Lee such a common last name? | Lee is a surname that is common in China and the Koreas. Some dialects of Chinese have little to no [erhua], the tendency to suffix words with an R sound, so they may have difficulty pronouncing an R sound at the end of a word because their own speech never calls for it . In addition, L is frequently used in transliter... |
Why are ACL, LCL, and other -CL type injuries so bad and can end careers? | Those major knee ligaments, ACL, LCL, PCL stabilize and keep the knee in place. A minor injury to one, can weaken the knee and cause greater injury. Because of this, serious rehab is involved and it is a lengthy process. By the time to knee is repaired and ready for rehab, the leg usually has lost a lot of muscle. Peop... |
Do musical artists know which songs will become a "hit" before they release their album? | They don't know for certain. However, they usually have a good idea which songs will sell well as singles/hits based on key parameters. Hits are usually catchy and easy to sing along/dance to. This is why something like Fancy became popular, but if Iggy Azalea had released a ballad, it would have gotten little play tim... |
arachnophobia, instinctual or cultural. | Sorry that this doesn't directly answer your question, but I definitely read somewhere once that people are only born with 2 fears, and the rest are learned. The fear of falling, and the fear of loud noises. |
How exactly does day light savings save energy when it gets darker way earlier after the time change? | The saving period is over. Daylight Saving Time ended. The saving period took place during the summer. |
Does the current chess setup give the maximum range of movement to the pieces? | No the initial position in chess is close to the minimum possible legal moves. That is what makes the opening phase of chess interesting, the fact both sides have to compete for development. |
why do antibiotics lower the effectiveness of birth control? | There are [a couple of antibiotics that do reduce the effectiveness of the contraceptive pill]. The two antibiotics that do so are known as enzyme inducing, meaning they speed up the body's processing of the hormones in the contraceptive pill. However these two antibiotics are not too common. Antibiotics in general aff... |
Why are the news that Charlie Sheen is HIV positive THAT important, is there something else that I'm not catching? | He's an attention whore who's antics have resulted in media coverage and ratings, so news covers him to draw ratings from people who are more concern with sh*t like his craziness than actual, important news. You're not missing anything there are just lots of dumb people out there. |
Why do they make cars that go above standard highway speed limit if you will theoretically be pulled over? | Because a car that has a top speed of 120 mph will accelerate to 55 mph much faster than one that has a top speed of 60 mph or 80 mph. Further, it's difficult to build an efficient car that will accelerate quickly to highway speeds, without making a car with a very fast top speed, because cars are heavy and wind resist... |
Why do random songs that I haven't heard in years suddenly start playing in my head vividly? | Because your brain didn't want you to forget your keys on the table when you leave that morning.A cause of this, is when you first hear that song or hear it often, you may have been doing a specific task. Your brain associates that song with that specific action. So if you repeat this task your brain may make that conn... |
What exactly goes in to the making of a Slim Jim meat stick? | A great big wad of assorted meat secondary cuts , mostly beef or pork goes through a large grinder, which basically gets the pieces as small as possible. That gets mixed with an absolutely unreasonable amount of preservatives and "flavor enhancers", along with dye to get it the right color. That mixture is compressed t... |
How do we receive photos from outer space? | Over radio. And yes, radio waves are a form of light and travel at lightspeed. And the Voyager isn't that far: _URL_1_ For reference, 1 ly = 63241 AU = 9461000000000 km. And besides, the Voyagers are no longer in the picture-making business. Voyager 1 did [a shoot] while at 40 AU back in 1990. Since then its optical in... |
Why do other countries decide to call countries stuff that is not the name given t them by natives? | Why do Americans still call Native Americans \'Indians\'? To me, that's like a triple insult: * They're calling them something they never called themselves.* They're calling them the same thing folks who persecuted and killed them called them.* There are actually people who are called Indians, who live in the country I... |
How did people get domain names before domain name registries were available? | As a layperson, you are asking it correctly. The short answer is that people kept text files of names and addresses and shared those files with other people. You can still maintain a hosts text file for private networks or domain name overrides. When you use a domain name, you're really asking something else, a Domain ... |
How plausible(or implausible) is time-travel? | Travelling to the past is completely implausible. Travelling to the future is completely plausible, but completely impractical. It would require you to get into a spaceship and accelerate to close to the speed of light, fly away for many light years, and then fly back. Time dilation would mean that you would have exper... |
- The TI-89 Calculator has been around since 1998, still costs $200, and has yet to have been replaced as the standard... why? | Blame CollegeBoard, the company that administers SAT and AP exams. They only allow certain specified models of Casion, HP, Radio Shack, Sharp, TI, and a few others. They're also very strict about NOT using app-based smartphones as a substitute in their tests. Further, many college math classes require them, and have st... |
If every country in the world is in immense debt, who do they owe it to? How did they accumulate so much? | Government debt is usually accumulated by offering government bonds. Bonds are basically a contract that says, give me, the government, $1000 now, and I will pay you back your $1000 plus 5% annual interest over 5 years 5 years from now. So the money is owed to whomever purchased the bonds. Sometimes its other governmen... |
Why do flights dim their cabin lights while landing? | Your eyes adapt faster to light then to darkness. If you go from a dark area to sunlight you may need a few seconds to adjust, however if you go from sunlight to a dark area you might need an hour to get fully adjusted. So flights will dim the cabin lights to get their passengers eyes to adjust to darkness in case ther... |
Why is a shutdown in place and what is the departure of a admin having to do with this? | Read the post on r/outoftheloop for a more comprehensive summary. Basically reddit have let go the admin that handled AMA's. The problem is that they did this without notifying any moderators, thus leaving subreddits like IAmA in a pickle, as they had several AMA's scheduled for today and no way to contact their partic... |
Why does our body get hungry a few hours after a 2000+ calorie meal? | Because hunger detectors work on volume rather than energy content. It's less "you'll die if you don't eat" and more "I'm ready for more" kind of thing . You could be satiated for few hours if you simply stuffed yourself with popcorn which is relatively low on calories.Your body doesn't know you live in a modern first ... |
Why do ripe apples fall from the tree, but ripe berries don't fall from the bush? | Both apples and berries have evolved to be eaten by animals who carry them long distances in the digestive system. Berries are mostly eaten by birds who can sit on branches. It is even preferred for them to sit on a branch then on the ground and it is easier to find berries that are still on the plant. Berries also get... |
How can cheese age so long and be edible, but then go bad after a little bit in the fridge? | Cheese ages with controlled temperature & humidity. It is often allowed to grow a rind or sealed in wax that keeps bad stuff out. When you cut it into blocks in your fridge, you lose the protective layer & humidity controls, exposing the cheese to microorganisms that want to eat itRipening cheese is protected in some w... |
With just my eyes, why can I look totally left, right, cross-eyed but not apart (left with the left eye, right with the right)? | Our eye's aren't wired that way. We evolved our eyes to give us binocular vision which greatly improves depth perception and is almost always present in predators . Being able to split focus like that isn't all that valuable because our field of view isn't wide enough. There's more value in seeing what we can see reall... |
Why are white t-shirts see-through when wet, while other colored shirts generally aren't | White reflects the most light, and when a T-shirt is wet, the threads in the shirt expand and in the case of white shirts, allows light through and therefore sometimes reflecting off of the darker material under . Other deeper colors absorb light, like black, and the light never gets to the layer under the shirt.The wa... |
Why can't most household internet speeds be a lot faster? | Easy answer the infrastructure isn't there and not very many companies want to pay the money to put it in place. |
Why do monkeys and other animals have perfect teeth but often times humans need braces ? | Animals do sometimes have perfect teeth. However, the ones that suffer the most are animals with short faces. What happened is that we evolved larger heads and smaller jaws for our big brains but the number of teeth we have hasn't changed. Essentially our teeth are prone to overcrowding - it's why wisdom teeth come out... |
-- Why is that every year 2 movies come out around the same time and are almost identical? | I can't guarantee this is correct, but I had it explained to me that it was because the scripts are "shopped around" looking for a studio to produce them, and that some studios pay for the script, and another will just alter the script enough to legally steal it and produce it anyway for cheaper money. |
Why are there no leopards in Europe? | Both Leopards and Lions lived in Europe during the timeframe of early recorded history. Some lived all the way into the late Roman Era and possibly into the early Middle Ages. They were simply hunted into extinction by humans. |
Why is the purity of precious metals measured in karats rather than just using percentage? | Carats were/are a measure of weight, not purity. In olden times they thought carob seeds didn't vary in weight much, so they used them on balance scales as a unit to measure weight. At some point, there was a gold coin that was pure gold and weighed 24 carob seeds/carats. Pure gold came to be known as 24 carat gold. If... |
Why does Reddit hate nationalism? | It is perfectly OK to love one's country. Lots of people do. This is often called patriotism. However, many people love their country, and then use their love of country to put down every other country in the world. It's a short trip from "my country is the best in the world" to "other countries are worthless" to "the ... |
Why things go black when they are burned | Things that go black when burned is mainly due to the high concentration of Carbon in it because Carbon is black. |
Why is our ability to learn new languages higher as children than as adults? | Children have been shown to have a higher 'brain plasticity', basically their brains can make new neuron connections at a much higher rate than the average adult. This allows things to be learned faster and learned 'deeper', by which I mean becoming innate to how we behave for the rest of our lives . This makes it easi... |
How do landlines call mobile numbers? | To explain how this works we should first address an evident misconception about mobile phones: They do not communicate directly with each other or with satellites. They communicate with cell towers on the ground, typically within about 5 miles. The connection is then transferred to its destination over conventional ca... |
difference between 8-bit and 24-bit color | "Bit" stands for "binary digit". So the difference between 8 and 24 bit is how many digits you have to represent a color. With 8 binary digits you can represent 256 different colors. With 24 bits you can represent 16.7 million different colors. & nbsp; As an example: In the number system you are used to, lets say you c... |
In the formula (Ep=-Gm1m2/r), why is the negative there? Since energy is a scalar value, wouldn't you always end up converting the result back to a positive? | Scalars can be positive or negative, so having negative energy is valid. What scalars don't have is direction: energy doesn't point up, down, or sideways, but it can be positive or negative. The key feature of energy is that it is conserved: if you add up all energy at one point in time then that's the same amount of e... |
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