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Elephant poaching. Why doesn't someone just remove elephant tusks (without killing said elephant) as a preventative measure.
We only see a portion of the tusk. A large amount of it is inside of the elephant's face, which makes this idea extremely dangerous for the animal.
Why do we vomit when we see or smell something that is disgusting or uncomfortable?
Along with the idea that it is a reaction to poison and stuff as mentioned by others, it has also evolved to stop curious humans from eating rotting things filled with nasty bacteria; a preventative measure. In prehistoric times, the person who reacted the worst to the smell of the rotting meat/veges would have been the least likely to eat it, and therefore the most likely to survive in that situation. Gradually, it was selected for more and more and here we are today. Animals with a more robust gut, like hyena's and vultures have no problems with eating stuff that we wouldn't go near if we were promised all the money in the world.
Why can't people just make up a religion and proclaim various laws to be in violation of their First Amendment rights?
I assume you are referencing the recent hobby lobby decision. You would have two issues that you would have to convince the courts of. 1) You'd have to prove you had a deeply held belief. Since you are making this up you might have a hard time, but who knows.If you could get past this though: 2) The Government could argue they have a legitimate reason for wanting to limit your religious rights. So for something like seat belts they could probably argue safety. For something like cannabis they would maybe have a harder time, since you could point to Colorado and say cannabis is safe.
Why do lawyers defend people that are guilty like the Boston Bombers?
Because in America, everyone is considered innocent until proven guilty in a court of law tried by one's peers. Even if there's insurmountable proof one committed a crime you've been accused of. And you need lawyers to defend you in court, and you have certain rights in the constitution to be given a fair trial and be represented by someone who is 100% on your side.In the American system, everyone deserves a fair trial and equal representation. It is an essential hallmark of justice. John Adams set the example by defending British soldiers who shot and killed Boston protesters. See _URL_0_It is a required part of our legal system. By law anyone that is accused of a crime is entitled to a competent defense before they are convicted of a crime. Everyone is considered innocent until it has been proven that they are guilty in court, no matter how obvious their crime may be to the public.The accused need lawyers to make sure they're treated properly by our justice system. If the court acts improperly, and that is exposed, it is grounds for a mistrial . It also protects them from these improprieties.One way to think of it is that criminal defense lawyers serve the *principles* underlying civil rights and criminal justice. Part of that obligation is that *everyone* is entitled to those rights and safeguards.
Are we the only species that keeps other species as "pets"? If so why did we begin to do so and other species did not?
Some Capuchin monkeys kept a marmoset as a pet, and I've heard of gorillas in captivity having cats. _URL_4_
If proteins get denatured by extreme acidic or alkaline environments, how does it survive our stomach acid and go into the small intestine for digestion without any harm?
Proteins are also denatured by things like cooking, which aids the bodies abilities to digest the amino acid components. If we couldn't denature proteins, absorbing them wouldn't be possible.
Why don't riots like Ukraine and other countries happen in America?
When Ukraine seceded from the USSR it didn't become a model democracy. It still has serious corruption problems, poverty, ethnical division, and they also see their western neighbours improvement while they started from similar position, just aligned with Russia instead of the Eu.
What does Big Data really do with our data?
So think of a company like Amazon. When you buy something on the site you don't just buy the first thing you see. You search, filter, read reviews, descriptions, change searches and so on. Well each of those is an event which amazon collects. Then they analyze this data. Now for 1 person it's simple. But when you get into the thousands/millions/billions of events like this occurring this get more complicated. Big data is just the process of storing, processing, and analyzing that data to help you make business decisions. Because if a person bought a washer than they probably need a drier.
The 5-second rule. If I drop something on the floor how fast does it take for germs to latch on?
Mythbusters did a segment about this. The moment the food touches the floor, it becomes infected with the floor's germs. Everything you have ever eaten has germs, bacteria, and viruses. Your body is very resilient, and you can ingest a lot of germs without any negative consequence.What matters more is whether it was dry or wet . Dry things will still pick up germs, but usually less than something that is moist/modestly wet. If it's absolutely dripping with sauce, most of the "contaminated" sauce will remain on the floor. Simple contact is enough for germs to hitch a ride - length of time doesn't matter so much. It matters more how well the food "picks up" germs, as opposed to how well the germs themselves "latch on"Another way I explain it: Would you still eat a bowl of soup if I dipped my unwashed scrotum in it for 4 seconds? What about 1 second?In the U.K., A BBC documentary series recently did a bunch of scientific tests to find out whether this was true or a myth. The conclusion was it is most definitely a myth The length of time a food product was on the floor made zero difference to the amount of bacteria transferred to it, they left food on the floor for various times, from one second to several hours but more surprising was that of the many tests on many different surfaces, very little bacteria was transferred at all, certainly no where near dangerous levels. The defining factor in the the transfer of contamination was actually the floor surface vs the food type. Hard smooth surfaces such as floor tile transferred more bacteria than a rough surface or carpet, as on a microscopic level they have less contact points to transfer any bacteria. Regarding food, soft sticky foods would obviously pick up more bacteria than something hard, like a biscuit/cookie. Dropping a biscuit on a carpet picked up almost unmeasurable amounts of bacteria but even dropping a cake on a tiled floor picked up such low amounts of bacteria it would still be safe to eat.
Why do dogs mark their territory by peeing on bushes, poles, etc., when the next dog is just going to come along giving zero fucks and pee on top of it?
It's not really zero fucks. Dogs can tell a lot from other dogs' urine markings, and they want to put their information where everyone else's is. And on top. It's much less interesting to leave your urine-soaked calling card where nobody's going to notice it.
How can you tell from graffiti alone that the artist is Banksy and not someone mimicking him?
Is it a super-easy political jab at an obvious target? Then it's a Banksy.Banksy works by translating some line art onto a paper stencil. He traces or projects the artwork onto a large blank sheet of paper and then cuts out holes in the shapes of the artworks contours and lines. In secret he tapes the stencil to a wall and then rolls or sprays over it with paint, usually just black paint. The paint hits the wall only where there are holes in the stencil. He peels off the stencil and disappears into the night. To make a fake banksy you would need to be able to convincingly duplicate the style of his original line art. OR you could get a photo of a real Banksy piece and scale it up and make your own duplicate stencil. Roll and go.You can't and it doesn't matter. The painter is not important, the message is.
To what extent is the food you eat related to how you feel?
Absolutely. I notice that when I drink fresh juice a couple times a week, my mood is completely elevated. My skin looks brighter and my mind feels sharper. I'm not nearly as depressed and my anxiety will usually simmer down. Incorporating more raw fruits and especially vegetables in your diet just makes you feel like mother nature is hugging you from the inside [not sure what the right word is to describe it.. zingy maybe?].
Math folks, How can an asymptote get infinitely close to 0 without ever reaching it, yet mathematical proofs can prove that .999etc is equal to 1?
Don't think of infinity as a number, but instead as a limit itself. Let's say f = x/, so the asymptote of my function is L. The distance between x and L as x - > L is represented by E. Therefore, as x - > L, E - > 0. E can never touch zero , therefore x never touches L. Think of it this way: any number you can think of to plug into x will end somewhere, therefore L - 0.0000....1 can't be reached.
[Meta] Quit complaining about every question you see in here
You can't stop people from complaining just like you're complaining about people complaining.This may be the most meta thing ive ever read. < slowclap >
If the US and Iran come together, how will the Middle East power balance change?
I don't see it changing too drastically. I doubt it will have very much impact with standing alliances, as most countries in the area we ally with are for strategic purposes only and are most likely engaged in activities we strongly oppose. Like Saudi Arabia. We won't see a major power balance change until 1 of 2 things happen. Alternative energy becomes more common and oil becomes less desired, and for all of the older, super-religious ignorant asshats to die off. A few deals here and there won't drastically change much. The middle east are dominated by 3 types of countries. Countries that are in complete disarray, like Iraq. Countries that ally with the west, but practice incredibly backwards religious law and are only our allies because of strategic/economic benefits, like Saudi Arabia And countries that are a bit more economically diverse, and have been against western policies in recent history, with a high chance of being dominated by religious law and ignorant religious types, like Iran.
How can a private company like SpaceX launch a rocket for so much less than a government run agency like NASA?
It's hauling less mass, it's only reaching low earth orbit, there's less overhead because the company is much smaller and it's a private enterprise vs a government agency.
Why Do people say the Babyboomers screwed up the Economy? What did they do?
Every generation blames the last, from what I've seen/heard. I'm on the cusp of being a baby boomer, and things were a mess when I was born in '65. Granted, I made no effort to improve things, so I'm not blameless.
What is the difference (historically and now) between India and US that creates so many more comp. engineers?
I'm sure there are many great Indian software engineers, but most of the ones I've met are very mediocre They typically fill a niche of relatively cheap labor for big corporations, doing menial and uncreative tasks or working with obsolete/uninteresting technologies that other developers don't care for.
Why do people keep saying the government is profiting on the war on drugs?
Like most conspiracy theories I don't see it as a clandestine agreed upon set of mutually supporting actions decided by the elite, but rather the result of trends in polices. Perhaps the greatest example is the privatization of prisons where each convict equals increased revenue from the state. So, while the state doesn't profit from the prisons directly, the do benefit from lobbyists and the 'one hand washed the other' nature of a closed self perpetuating loop. Its normal for companies that have similar interests to work together: like product placement in movies. Its just that in the case of prisons, we aren't talking about ad space, we are talking about people.The gov't would probably come ahead if drugs were legal. But specific agents within the government definitely would not. Drug prohibition means more cops, more lawyers, more prisons. They want to keep their jobs and their toys. What's more, politicians can always rally behind "keeping drugs away from you children" as a reason to justify a new tax. For them, the status quo is more important than the overall financial picture[This book] explains with data how much our government spends on consensual crimes - specifically, the "war on drugs."Prisons get more prisoners, the prison lobbyists give more money!
why do sirens change pitch so significantly when you drive by them?
When they realize you are immune to their charms, and that you are going to pass, the siren changes its pitch and tone in order to entice you closer. Don't listen to sirens, they are nothing but pussy and trouble.
What causes cars to catch fire?
Electrical can fires happen when say, an aftermarket stereo or an alarm system is installed incorrectly. A friend of mine worked at a car stereo place in the '90s and he told me that a van burned to the ground because he messed up the cd player install.To add to others, you also have a battery capable of a ton of amperage. An electrical fault can turn into an ignition source pretty easily. If something in your dash starts smoldering it would be difficult to get to in order to extinguish it. Disconnecting the battery is not always easy eitherUsually cars catch fire due to the exposure of flammable liquids to surfaces hot enough to ignite them. This might be the exterior of a running engine, especially one which is damaged, or simply the sparks produced by forceful contact between steel or iron within a collision.
Why don't journalists simply quote Obama's original stance on whistle blowers, and ask him to respond?
Because if pointing out the hypocrisy was all that was needed, we would've been able to fix politics a looooong time ago.
How is it that birds can imitate the english language very well with beaks, while mammals of similar physical facial structures as humans (dogs, monkeys, etc) cannot?
My African grey parrot is about 6 years old.. He has learned to mimic Vietnamese phrases, the same noise when my grandpa coughs, he sounds like every bird that we have around here but the funniest thing is He cant fly. I always let him out of the cage which is outside on the patio and I tried to see if he would fly . Picked him up with my hand as usual and gave him a light toss. He glided for about 20-30 feet, losing altitude pretty quickly, freaked out and flew straight into the fence. Ive never laughed so hard and didn't notice he walked back to me instead cause my eyes were blurry from all the tears", 'I entered here thinking the post would be about their ability to *specifically* emulate English language. Seeing as its not the case at all What the hell. Wouldn't it have been more logical to jusk ask "how comes birds can imitate our voice in a better way than mammals"?', "If orangutan's vocal chords are undeveloped, could it be possible to implant human chords in? I'm m no orangutan expert but they seem smart enough to understand language if they had the chance", '> How is it that birds can imitate the english language Human sounds, not just the English language.To get to the short of it. Their voice boxes are in a different location. It's a weird anthropology thing. Our voice boxes are in a place that allows us to make all different types of sounds. This placement also makes it easier for us to choke on food or something else. Chimps on the other hand have voice boxes that are lower down and therefore can't make as many sounds but also it's harder for them to choke on something. So at some point in our evolution it became more important for us to talk to each other than to lower the risk of choking.
How does a Thorium nuclear reactor work?
Thorium is stable on its own but when hit by a neutron it forms shorter-living uranium-233 that'll decay and generate heat for reactor and more neutrons to make more U-233 from surrounding thorium.
- Why does an outgoing president get to grant clemency in the US?
It probably originated from medieval times when kings could grant clemency to people. Great Britain was still a monarchy when the US declared independence, it's likely they were aware of the nation's leader granting clemency and kept the idea. Like /u/woz60 said, the president can grant clemency at any time, usually they wait until they're leaving because they can't be voted again so they don't need to worry about public opinion anymore.
why do we remember Marie Curie but not Pierre Curie?
I remember when I was a kid in middle school learning about Pierre Curie's achievements with Radium. Then by high school, it was Pierre & Marie Curie's achievements. Now Marie.I believe this is a great summary of all the reasons: _URL_0_
How do rally co-drivers write pace notes?
Before the race there is a Recce. That's when the teams are allowed to drive over the Stages in normal cars at low speed. During that time the driver and co-driver create the pacenotes together.
Why are blueprints always that colour?
user/graymk does a spectacular job describing the answer to your question. To quell any other hearsay with regard to blueprints, here is my definitions from experience in the industry for many years. Blueprints are actually blue and yellow. These are for copies only. The original drawings would have been hand drawn on any kind of medium or one of the following below. They are cheap and durable and won't smudge. Very important at their peak time. Blackprints are actually black and white. AKA Bond paper printing . With the advent of cheap office plotters, these are now an industry standard. Whiteprints are actually white and blue lines. AKA Blue lines. these don't really exist anymore, at least not from a usable or create-ability standpoint. Vellum prints are actually on a type of vellum, with either pen, paint, or plotter. Many different types of vellum exist, and your definition would change from region to region, as well as the date the product was made. Pig skin was used as vellum several years ago. Mylar prints are a thin plastic sheet with written or printed lines and text. Mylar prints are usually used with the idea of them lasting forever. Not very resilient, not good for working drawings, easily damaged with excessive handling. Think of them more as something you would make copies from, and that's it. Source: I have been involved in plan preparation for the past 15 years and have seen and used documents over 100 years old, and have had to preserve, as well as maintain the varying types of medium.
Communism, why do we hate it?
Except for your second point, you understand pretty much why a lot of people living in the US hate Communism. Communism is an ideology that aim at establishing a stateless and classeless society where a leader doesn't exist . After being allied in the Second World War to defeat Fascism, Liberalism and Communism engaged in a war for worldwide hegemony. Thus, on both side, the dominant ideology diabolised the other one . The truth is, pretty much every country in the world today work by a mix of both socialism and classical liberalism, which gives a welfare state. Even the US is a welfare state, maybe not as much has the other countries in the west but still. Firefighting services or the fact that school was free when you were young is the result of socialist policies. Sorry if my english was bad, I'm not used to explain things like that.
Why does drinking alcohol stop an LSD trip?
My group of friends say its the opposite, we quit drinking on any hallucinogens because we don't feel the alcohol at all. Its like we are drinking water even if we drink a ton. Would you say that the alcohol's effect is lesser?
Why is water desalinization not more prevalent?
> However, would you not be able to just evaporate sea water to turn it to fresh water? That would separate the water from everything else, right? And could we not use renewables to provide the heat for evaporation, providing a green source of water to the dryer parts of the world? It turns out that it's more energy efficient to force the water through filters in a reverse osmosis process than to boil the water. But, it still takes a lot of energy.
Why do people scream when afraid?
To alert others to the danger. In the wild, if an individual finds a dangerous predator, screaming alerts everyone around them that there is danger around. Depending on the type of creature and other factors, the scream will either signal everyone to leave and/or hide, or to come assist in driving off the predator. While most humans no longer need such a system, the reflex still exists - and it still works. If someone is startled, or is afraid of, say, spiders and sees one, a scream often brings others running to see what's wrong.
What causes 'bugs' in computer code over time?
Usually when this happens, it's that something changed in the operating environment. Could be that you logged in under a different user and that triggered it. Or maybe an OS update got installed. Or maybe Acrobat Reader updated itself. Or maybe your hard drive got some bad sectors. Or maybe you were running more programs and using more CPU, which exposed a latent race condition. Code runs the same way every time, assuming the *exact* same conditions. If one of those conditions changes, then bugs can appear.Computer programs usually interact with other programs and data, and if those change in unanticipated ways, so can the program. For example, a program might read names from a file and load them into some kind of database. The whatever made those names sudden decided to support non-Latin characters, that could cause a bug.
How and why does my skin tan? Why do some people burn and never tan?
In addition to the other comments, sunscreen is meant to be put on 15-60 minutes before sun exposure. If you lather it on and immediately run outside , it doesn't have time to develop into a protective film.If anyone wants more of an AskScience answer, I gave one on this very topic a few months ago [here].
Why do poisonous chemicals say "Do not induce vomiting"?
they will do lots of damage going back up. of course, it is better than nothing if you can't get to a hospital
How does this aquarium tank, which has openings in the tank window, not spill?
Note that the water level for all those holes is the same! If they put a lower hole in for short people, air would come in the higher holes and water would pour out the lower hole! A really nasty trick would be to bring in a U shaped bit of pipe and put in through the hole in the tank so the top of the U goes higher than the hole in the tank. At first water would fill the bottom of the U just to the same level as what's in the holes. But if you were then to blow into the pipe to push air around the bottom of the U, you would make an air siphon so air could rush into the pipe and water come pouring out the holes in the tank. You'd want to get your mouth away from that pipe pretty quick because it will be pulling air in pretty vigorously!
If the US Government can make billions of dollars off of legalizing Marijuana on a federal level for recreational purposes, why do they refuse to let it happen?
The main reason it hasn't happened yet is because up until very recently, public opinion has been < 50% in favor of legalization. And even now that it's above 50%, the 50% polled aren't necessarily the same 50% who would show up at voting polls come next election. Until a politician is certain that supporting legalization won't upset their constituents, they'll be very unlikely to support it with much strength.Many politicians got elected on "get tough on drugs" platforms, and don't have the political courage to change their stand. Also, the people against legalization are more will to vote against a politician that people who are for it will support someone. Also, some believe the social harms of marijuana outweigh any benefit derived from increases revenueMy opinion is that the reason is because that is yet another controlled substance put in the hands of young adults. It adds to the legal addictions people already consume whether that be alcohol, cigarettes, or pain pillsLobbyists for pharmaceutical companies don't want competition. If you could smoke a joint, or take a valium and get the same effect, why wouldn't a lobbyist give "donations" to make sure that didn't happen?
How are colleges and universities allowed to handle drug cases without getting the police involved?
The same way you would have the right if somebody came over to visit your house and you found drugs on them. You could kick them out or offer to let them stay if they give you the drugs. You're under no obligation to tell the police about it.I am an RA for a big10 campus and if it is alcohol, we dump it and handle the situation ourselves. If it is drugs, we have to call the police and have them deal with it.I used to work as a resident assistant in the dorms and apartments on campus. Any time we ever had issues with drugs campus cops were always called and we always had to go to court as witnesses. Did it for 4 years, never had an instance where we didn't get police to intervene, other than the one time we had a corrupt cop and he pocketed the rolls of cash the guy had and let him go. That cop wasn't employed every long.Because they wouldn't have any students left if they kept turning them in to get arrested. Lol but seriously, the students are their customer. Thats where the school gets its money. If you create a negative environment for your students then people won't want to go there. "Don't go to XXX dude, they are hard-asses about weed"They own the land.. they have the right to restrict the police from coming onto their land unless invited . Since having students go to jail is bad for business schools police themselves and try to keep things contained on campus.
Why are humans more interested in planetary travel/discovery rather than fully exploring all of Earth first?
We're exploring everything. Its just that space tends to get the most headlines. Partially because it costs so much and therefore every small development is far more impressive because of the huge barriers to entry required. As well as because it was given so much weight as an achievement during the Cold War period that now it means a lot still.
How Do Gas Masks/Respirators Allow you to breath oxygen without breathing in other chemicals?
acidic gases", etc. The material inside the filter reacts with and absorbs whatever the filter is rated for. Dust can be stopped by just a paper filter, acidic gases may require [activated charcoal] or specific resins that will react with and absorb the specific gas.They have very fine filters that stop bad compounds, which are big on a molecular scale, and O2 is one of the smaller molecules/partices . Imagine filtering rocks out of sand: that's basically what a gas mask does but the sand is oxygen and the rocks are poison/other chemicals
How come there aren't any phone viruses?
> but I had never received a phone virus How do you know? When you don't believe they exist I don't assume assume you're running a virus scanner on your phone. The days of malware fucking with you in obvious ways are long gone. Now days it's about infecting as much as possible without being discovered fo as long as possible.
Why does hanging out in the sun all day drain my energy?
Dehydration also makes you feel tired. Because you're out in the sun where it's warm, your body is losing moisture faster than normal . Because you're out in the sun playing, chances are you're also not taking as many opportunities to drink stuff as you would otherwise. Also possibly, the drinks people often choose when out playing in the sun tend to be dehydrating as well. It's all one big recipe for getting really dehydrated and leaving you feeling like garbage at the end of the day.The rate of production of serotonin by the brain is directly related to the prevailing duration of bright sunlight. [source] During and after a high level of release of serotonin, motor neurons become less active and therefore there is central fatigue. [source]', "The short answer is that you're steadily becoming dehydrated under the heat of the sun, as a result of your body trying to regulate heat. Think of water as liquid oxygen--and the sun just saps water away. It can be very subtle. Or maybe you're just getting drunk on a boat, I dunno.
If you illegally traveled to another country, and then claimed you had an amnesia and you don't remember who you are, what would legal process be?
You'd be held in custody while they figure out who you are, same as any other John Doe that gets detained by the authorities.I assume different countries have different procedures to address that situation. The procedure in Sweden is likely different than Mali which is different than UzbekistanIn 2013 a young woman was found in a "deeply confused" state in central Dublin. She was taken into custody by Ireland's child protection services as she was believed to be under age. Police initially feared that she was a victim is sex trafficking from eastern Europe. After several weeks she has not been identified. Under Irish law, the police could not release the photograph of a minor. They applied to the high court for an exemption. When her photograph was published she was recognised as Samantha Azzopardi, a 25 year old Australian woman who had entered the country legally. She was described as - mentally ill, a storyteller, a con artist by those who knew her.This happened very close to where I live once, you can read about it here: [The Piano Man] A man was found wandering round in a soaking wet suit and c/wouldn't talk only drawing and playing the piano. He was held in a mental institution for four months until well you'll have to read the article to find out :)", 'What if instead of faking amnesia, you actually suffered memory loss?
Why is the verb 'to be' in almost every language irregular?
I am run", or "I will run", and having very different forms of be helps to distinguish themOne explanation I 've heard is that the current conjugations are combinations of several words, so that in English, "was" and "were" came from one word, and "am" and "are" from a second. If this seems unlikely, you have to remember that in past times languages weren't uniform, and people would speak quite different dialects in towns we would consider close to one another.
How can a corporation pay its employees without having a "profitable" year?
* companies are rarely profitable from day one, and have to start out with a nest egg* investors give the company money, in the hopes of return when it becomes profitable* companies can take on debt* companies often take on a growth strategy, at the expense of profits, so not making a profit isn't always a bad thing Amazon didn't make profits for a very long time
Why are restaurants/movie theaters often uncomfortably cold, even in the summer when it shouldn't be cost effective to have the AC so low?
It is mostly that the people actually setting the temperature aka the people that work there are constantly moving. This means that they are warmer than the rest of us who aren't moving at all", 'Once had a Waffle House waitress tell me that they have to keep it on because the kitchen is open so if they turned it off it would get really humid and the windows would fog upLiving in the tropics, the cold isn't seen as "unbearable", it is seen as a luxury that adds to the experience. Add to that a large number of warm bodies that would turn it into a sauna quickly It also helps hide any unwanted odors that may be present. Unfortunately I feel your opinion of it being unbearable is a severe minority.
How come football players cant take a drink from their water bottles on the sudeline using their own hands? Why does a waterboy need to squirt the water for him?
All of these are at least partially correct, especially the one about keeping the bottles full and in the same place. But another significant reason is that a player can very easily drink too much water at a time while on the sideline and fill their stomach with water and then bloat. These are bad things when you're supposed to perform at the highest level.Pads, fatigue, efficiency. There is more than one reason. Hunting for a/your water bottle coming back from a grueling play is the worstThe same reason chubby girls do their homeworkJust an example, I worked football in undergrad and thought the same thing. So one day during a scrimmage i just set the racks near the lineman and talked to players, checked on hurt guys, and watched the game. When i came back all of five mintues later it looked like a bomb went off. Bottles were everywhere! some empty, some missing caps, one kid literally was just showering himself with two bottles, and another was just drinkin out of one with no cap. So point of the story is. People do it for them to avoid spreding germs, keep the mess down, and make sure they are drinking.To avoid cross contamination. I'm guessing. There are no labels. And being that there are well over 60 people there if one person with a cold or infection that's easily passed on gets his hands on one of the bottles then he can easily infect the rest of the team.
Why is Earth glowing like a star in this photo
The only time that Mars is looking at only the dark side of the earth is when the earth is between Mars and the sun . In that circumstance it will appear very close to the sun in the sky so it can't been seen anyway. As it moves away from the sun, the earth shows a crescent shape, exactly as Venus and Mercury do. These crescents are so small that you can't see them with the naked eye but the planet will still appear quite bright due to the large amount of sunlit surface visible. Inner planets appear their brightest roughly when they're farthest from the sun when they have a half-full, semicircular shape. Unlike the moon, which is roughly constant in size, the inner planets vary greatly in apparent size. They're at their largest as a thin crescent near inferior conjunction and at their smallest when they appear full, i.e., they're on the far side of the sun .
Why do kids like cartoons and puppets shows?
I remember liking cartoons so much because it was a place I could go to where no one would try to molest me or abuse me and maybe more unrealistically- kidnap or kill me. I still wish I lived in Clifford the big red dog's world, everyone always seemed so happy.
why do mead and beer tools and containers need to be very well sanitized during the brewing process if both were created before people knew about bacteria?
If you don't mind your beer tasting terrible, skip sanitization. If you have a working set of taste buds I would go ahead and scrub them jugs.
Will a single global currency ever be possible?
Two things: First: We don't currently have a single accounting methodology. GAAP and IFRS have very different regulations on what is allowed and what is required. If one company uses one and another company uses the other, there is no way to compare the two without significant investigation and adjustments. This isn't much of an issue today, because these adjustments are notations made when the financial statements are converted between currencies. Since 2010, GAAP and IFRS have started working together to try to use common terms, descriptions, and principles in an effort to eventually make a single set of universal accounting regulations, but there are fundamental differences that can't yet be overcome. Second: Currently currencies are regulated and maintained by governments. I can see 3 ways this would no longer be the case; an international organization to regulate currencies is created . a single non-governed currency is accepted enough to replace other currencies in daily use . or a single world government is founded. As far as I can imagine, none of these events are likely in my lifetime. Fix those two things, and we can have a single currency.
If Earth is between Venus and Mars in relation to the sun, why do I see them on the same side of the night sky?
Alice, Bill, Charlie, and David line up in alphabetical order. Alice stands still, and the others circle around her, staying in a line. This isn't what the planets do, but Charlie cannot see both Bill and David without turning his head. Now imagine that Charlie slows down. When the other two pull ahead, Charlie will be able to see both as in front of him, while he remains the same relative distance from Alice . This is closer to how the planets work. They are all circling the sun independent of one another.
why is it that under 18 year olds in the work force (16-17) get taxed on their pay checks but get no right to vote or choose where the tax money is going?
Members of Congress are in principle there to represent all their constituents, whether or not they have a vote or pay taxes. In that sense, everyone in the USA has representation . If they were only there to represent the people who voted for them, you could argue that everyone who voted for a losing candidate is also unrepresented and shouldn't pay taxes. The colonies, on the other hand, had no representation at all in the British Parliament - there was no MP for New York at all, so we don't even get to consider who voted for him.
Why drivers feel sleepy, claustrophobic or mentally fatigued while driving in big tunnels?
The exhaust fumes wouldn't help either, especially for motorcycle riders. I spoke to a guy who has ridden through the Gotthard Tunnel a couple of times, and said he was feeling pretty crap by the time he got to the end.
How do stores like Walgreens or Target that sell gift cards for for other companies like Amazon or Steam make money off the cards?
They buy the giftcards wholesale for less than their face value. The companies who the cards are for are more than happy to do this, because those gift cards make them gobs of money. Many don't get redeemed at all, so that's all profit. Others only get partially redeemed, so they make profit on the remainder amount plus the money they make from the sales themselves. And people who do use those cards almost always buy things above and beyond the value of the card, so the stores see extra profit there.From what I understandd from working retail the last few years is that stores often sell items like this in hopes that the customer buy something else with the gift card. Kind of like how gas stations sell some items at cost in hopes you will buy something to go along with it
Why can Birds and Squirrels sit, jump, and run on powerlines, but if I touch one, I'm dead?
ive seen a squirrel jump across a gap between the transformer and the power line. It exploded and shut the power off for my neighborhood. So squirrels aren't immune.Pretty sure the power lines are surrounded by a rubber coating. Nothing is touching a live wire.
In societies where alcoholic drinks were consumed due to low water quality (like ancient Egypt), how did pregnant women stay hydrated?
At least in large parts of Europe, where beer and wine were drunk for the same reason in medieval times, the alcohol content was lower than in today's beer and wine.
How do Companies Like Kfc, Mcdonalds or even Coca Cola protect their recipes? wont modern science be able to breakdown whats exactly in the food they serve?
I guess it's like Walter White's meth in breaking bad. Everyone knows the ingredients for these things, it's the quantities, the method and possibly the quality of ingredients that make the real difference. Pepsi probably has a version of Jesse locked up in a basement somewhere trying to recreate the famous Coca Cola but they're just a little short on purity.
Why does running a credit check lower your credit score every time you do it?
IIRC Checking your credit doesn't hurt your credit. Applying for a ton of cards and being denied does though.Checking your own credit never lowers your credit score. Applying for credit, however, does.
Why does Netflix cap Chrome at 720p with 2.1 stereo while Edge/IE can stream at 1080p with 5.1 surround sound?
On the bright side if you choose to wa t choose to watch Netflix in Edge, you can get Microsoft rewards points just for using edge. They have rules for want counts for points, called 'active browsong'. But they say watching videos in full screen counts.Its probably to promote their app usage. The Netflix app currently available from the Windows Store plays equal to or greater than 1080p, with surround sound.I didn't think ie supported 5.1, only the windows app?
Why can't developing countries with stable governments and reasonable wealth like India, China, Brazil and Mexico provide safe tap water?
Due to current economic condition of sizable Indian population, water supply can not be profitable business. As of now local govts are incharge of building and maintaining drinking water infrastructure and operation. This is my take on current status and reasons for lack of safe water for entire population: 1. Urban areas: Lower middle class and above has access to municipality water . Poor living in shanties & illegal residential areas don't have access to this source. Cities are growing by 10-25% every year, and govt is constantly playing catch up. Indian public is accustomed to dirt cheap water and political parties makes a big case for even minor increase in rates. So govt either need to devote funds to build intra-city infrastructure to provide cheaper/free water to poor/illegal areas or grow balls and charge more. Cities are taking both measures and I think urban situation will improve significantly in next 10 years. 2. Rural areas: Most of the villages had in past built their own infrastructure local source & pipelines were rare and when present were for limited population. There are hundreds of thousands of villages in India, so govt has decided to empower Panchayats to built and run water supply. This situation is improving as well. Though, I think it will take a while before all villages have safe and consistent source of water. I think bigger problem for India is water management, so that water scarcity does not become a major issue. TLDR: 1) Pre-Independence infrastructure was non-existent 2) Govt didn't have money to build grand infrastructure for first few decades 3) Govt were incompetent and corrupt to envision and build policy and infrastructure to solve such problems at country level. 4) Situation varies from good to bad from region to region, mainly based on economic conditions and govt's success. 5) Cities are growing at breakneck speed. 6) Things are improving both in urban and rural areas. 7) Expect significant improvement in 10 years.
Can someone please explain what Coulombs are and what IC/ICM is?
Think about it like a magnet. Imagine you have lots of the same sized magnets. A lots of magnets will pull harder than a single one. Electrical charge is similar. If you have one electron it has a -ve charge and it will attract a +ve charge with a certain amount of pull. If you have 6 x 10^18 electrons they will put a lot harder. Think of the coulomb as being the electrical pull of 6 x 10^18 electrons, and it's 6 x 10^18 times as much as the pull of one electron. So in other words - the -ve charge is carried by very small particles. The problem is that in the everyday world the amount of electrical pull we need requires lots of them to be moving from place to place.
Why does our breath smell after sleeping (overnight or nap)?
When we sleep our bodies react with particles leftover in our mouth's from the food we have eaten throughout the day on a chemical level. By design, our bodies convert sugar into plaque, which has a very bad odor/taste. Brush and rinse before bed *everynight* before bed to combat this.
Why do businesses have promotions that are FREE and you only pay for shipping? What do they gain from this?
Companies tend to buy vast ranges of goods, if some don't sell well, rather than keep them in the warehouse costing money to store; the products can be used in marketing campaigns. I get a double whammy from doing this as I request that the customer pays shipping and also is required to join our mailing list to qualify. So I've managed to;1. Get rid of my 'dead' stock2. Charge Shipping/Handling and probably gained a little on the deal3. Free up space in my warehouse allowing my to store new products4. I've got new contacts on my mail list whom I can market other products to at a later date. thus increasing my chances of sales later on. TL;DRProducts like this are often referred to as Loss Leaders, designed to engage future custom.Keep in mind "shipping" for large volume companies is peanuts compared to what you or I pay to ship something USPS/FedEx/UPS. They charge you $9.95 shipping and handling, their cost to ship it might be $1.50 depending on the size/weight. Net result: profit for whatever company is peddling said junkYeah, like the free software download or demo. You have to buy it several days later after you have created documents using it or you lose access to your work. They seldom, if at all, say its a 3-day trialIt is similar to the free samples Costco gives. It gives the businesses publicity, and associate it with something good Ah, but you pay for both shipping *and* handling What is handling? Whatever they say it is.
What taxes could Happy Gilmore's grandma possibly owe the IRS?
I didn't even read the description but this must have been bothering you for a while now hahaha.
Why are CD's still used for audio instead of DVD or Blu-ray?
Because most music albums already contain less audio than would fit on a CD, and most people don't have good enough speakers that they would notice further improvements in quality. Basically, why fix it if it ain't broken? You'd just end up with higher costs and compatibility issues. In any case, these days most distribution is digital.
What is the significance of "returning the power to the states"?
* The 10th Amendment says that the federal government is limited to its Constitutional powers. All other powers go to the states, with the caveat that the states can't violate citizen's Constitutional rights. FDR was forced to give up many popular New Deal programs because of limits on federal-level power. Since then, the Supreme Court has interpreted plenty of rights and responsibilities for the federal government. But there are limits. * Can the federal government *legally* require everyone to have health insurance? It's accepted that Massachusetts does this, and other states provide insurance to all children, but several Supreme Court cases will decide whether the health insurance bill can take effect in 2014. States want to manage those funds because it affects where doctors practice and who gets healthcare, not to mention the effects on state employees' healthcare. * Can states refuse federal economic programs, such as stimulus funding? Extending unemployment? Changes to student loans and welfare? Some governors threatened to reject Obama's stimulus funds in their states. With the economy doing poorly for so long, many people want their local government to enact their own policies.
The issues with using your real name on the internet.
FWIW if I had to use my real name on Reddit I wouldn't post here either. In fact I probably would post anywhere about anything on the Internet using my real name.
How does youtube stay porn-free?
To be honest I cant really see who would try to upload porn to youtube when there are quite some other similar services to cater that type of interest? Best case: Your video get a nice SEO-result because it's on youtube and then gets taken down and you account banned. Worst case: The video is instantly removed and your account is banned.
what's the purpose of discovering earth-like planets if they are still going to be unreachable, being thousand light-years away?
Well, they're not necessarily unreachable, if we had the technology to continually accelerate/decelerate ships, the trip would be significantly shortened from the frame of reference of the travelers. We could also presumably build ships that travel more slowly, but can sustain crew for far longer. Beyond that though, these planets can give us information about the potential origins for life, the evolution of solar systems, all kinds of information that could be potentially relevant to us here, without ever having to go there. Plus, people really, really want to know if we're alone out here. Also it's worth noting that some of the Kepler candidates are less than 500 light years away, although not this latest one.Well as far as we know they should be the most likely planets to contain life, so that is an incentive for sure. Also if we do plan to colonize someday it will be good to have a list of possible planets. People are constantly searching for planets, finding another barren rock and naming it #FWU54647 isnt as exciting as finding another potential earth though', "Firstly ot proves that earthlike planet's do in fact exist, which greatly increases the chance of discovering alien life It's also a sweet goal to set for space exploration. It's hard to get motivated to explore the stars without a planet to visit, and who doesn't want to reach a distant earthlike planet, either to populate, or discover life on, or simply study? Eventually we will be able to travel much farther than we currently can, and as that approaches we should have a few spots lined up that are worth checking out.
How and why does the Moon get hit by so many meteorites/objects and the Earth doesn't?
One thing that all of these answers miss is that the moon doesn't have winds or other forces that would wear away impact craters - unlike the Earth. In the past, impacts were more frequent than they are now, and many people believe that the cratered surface of the moon means that it is under constant bombardment. It is hit from time to time, but not as much as people might think.
What is the difference between companies like StraightTalk, Cricket as compared to Verizon, AT & T. And what are the advantages/disadvantages
Yeah I own my phone, iPhone 5s, so I'm really seriously considering it. Thank you for your input!
- Why does the urge to urinate or deficate come and go, instead of remaining constant until It's relieved?
You're urethra has two valves, the first is made of smooth connective tissue and is involuntary, it allows urine to pass once a certain volume is obtained. The second contains skeletal muscle and is voluntary. If you're in a situation where you aren't around a restroom your body can involuntarily close the first valve, making the sensation of having to go disperse.I have noticed this as well. Once I had a severe turtle head and I thought I had it under control. Without warning the entire turtle jumped out.The urge to urinate never goes away in my experience it just gets stronger and stronger to the point where it'll force itself out. But the urge to shit definitely goes away.
Why do some people cut most of a dog's ears off?
It's like circumcision. Once upon a time it served a purpose. But these days, you really only do it because you don't know any better, because other people do it, and/or you think it 'looks better'.I would like to point out that ear and tail cropping are becoming illegal in more and more countries. It *is* one of those things that has no place anymoreFollowup: why do people cut their dogs tales when they are puppies?
What is the psychological difference between animals that can be domesticated and animals that can't?
I would assume that any animal can technically be domesticated, because adaptation requires positive/negative reinforcement, and that's what we use for domestication. This would take some time though, and for some animals it's not worth the effort . or the chance of getting mauled. Disclaimer: I have no relevant qualifications, but when has that stopped us?! tl;dr: simply: intelligence, and to a lesser extent, aggression.
How did Cavemen Tame Wolves?
Fed them. Took away pups and raised them with humans. It's a mutual benefiting exchange, they get food and shelter, and we get protection, warning, hunting assistance and companionship. As wolfs and dogs are a pack animal with a dominant male they are easier to domesticate by simply having a human as top dog. Deer and moose etc are hard to domesticate due to this. Artificial selection was uses to choose those with the best temperament or other desired traits.
Is being vegetarian healthy and is it feasible at the population level?
Being vegetarian *can* be healthy if you pay attention to what you eat & have a balanced diet. If you just suddenly stop eating meat and think things will work, you're going to have problems. There are religions and societies that do it so it can work for large populations.
Why do Amish think that 17th century had an ideal technology for a pure Christian life?
They must be doing something right, it's estimated that by the year 2100, the Amish will makeup 7.5% of the population of the US due to their high birth rates.I live near Amish country in Ohio. While there are some universal beliefs that unite them, most Amish are very different in their respective communities. Their "off the grid" style of living is based mostly on the belief that the modern world is too dependent on technology, rather than God. Most of the Amish around here: * Live close together. A single driveway can lead to several homes on a single property. * One home serves as a school and all the children attend there during the day. * Most are very strict communities. No electricity, horse + buggy, etc. Most are farmers. These communities, while geographically close, can still be miles apart. It's not like they all live on the same street. Families are known for their trade skills. One specializes in leather, another a blacksmith, etc. We also have Mennonites here or as we affectionately refer to them: Amish Lite. They look Amish. Married men have the beards and wear suspenders and funny hats, the whole nine yards. But they are much more modern. Farmers have tractors , and will often sell fruits and veggies out of parking lots for money. Some even have construction or landscaping companies.It looks like you've gotten the answer to your question, but there's one other thing I've always found interesting - as I understand it, the Amish place importance on the process of doing something, not just the result. So when you make a quilt or a barn, the act of making it should be satisfying to you just like the end product is. I think that philosophy plays into the technology question, because tech is about more results with less effort. So while sending a Facebook message to your friend may achieve the same goal of communicating with them that a letter does, you've theoretically lost something in terms of what you get out of the process of writing them a letter.
Nsfw just in case. Why is prostitution illegal?
Under the tenth amendment of the US bill of rights, States have the authority to regulate and make their own laws. Even though commercial sex is illegal except in Nevada, it's only a misdemeanor. Most of the time, it's all about politics. State politicians don't want prostitution running around in their cities. Regardless, it happens anyway. Not really sure otherwise
Why do people want to join ISIS?
I think it's very similar to why kids join gangs. It gives them a sense of purpose and power. Also gives them a sense of belonging.
Why is it easier for the US to intercept short- and mid-range missiles than it is to intercept long-range missiles?
I wouldn't say it is easier or harder. There are unique challenges to intercepting all types of ballistic missiles. LOTS more to think about than just velocity. Food for thought - all objects in space fall at the same rate regardless of mass or shape. Inside the atmosphere, you have drag that slows down your fall and changes the trajectory. In one sense, this would seem to be a disadvantage, but in the other, it is advantageous.
If the USA is now the worlds biggest crude oil producer, why are gas/petrol prices still so high?
What are gas prices in the US right now? 2 Dollars per gallon or something? Yeah, that's pretty fucking cheap. In Denmark we pay 2 dollars for one quarter of a gallon.
Why haven't computer processors been able to grow their power the way other components have?
We've been increasing CPU power recently by increasing the number of processors or the number of cores, instead of just ramping up the clock speed. Additionally, we've reached CPU speeds that simply are so high the vast majority of uses won't use even a fraction of the total horsepower they have, so continuing to push CPU's for consume PC's isn't worth the effort.
How is it that sperm and eggs can be frozen for years to be used later but we can't freeze a living person without killing them?
Sperm = extra tough single cell form of life Egg = single cell form of life Human = Super complicated living structure. That's the difference when it comes to freezing. If you kill 10% of the sperm cells in a sample, you still have plenty to get the job done. If oyu kill 10% of the cells in a person, there is no repairing that complexity.
How can a file be compressed into something smaller but still contain all the information it needs to work properly?
When you compress a file, something like: `the fat cat sat on the mat and the fat cat made that mat flat ` is converted to something like: `1='the ',2='at ':1f2c2s2on 1m2and 1f2c2made th2m2fl2` which takes up less space. Then when you uncompress that file, the 1s are replaced with 'the ' and the 2s are replaced with 'at ' and the original text can be read.
Why has technology not been able to replace subjective feedback style eye exams? Shouldn't we have a device by now that can just tell how bad your eyes are?
I'm pretty sure this exists. When I've gotten glasses outside the US I just looked into a machine at a cartoon of a tiny house and the machine made adjustments until the house was clear to me and that was my prescription. No expensive eye exam needed. I assume it's a US regulation to keep eye doctors rich and people with bad vision poor
How a Quantum Computer works, and why it is superior to our current computers.
tl;dr Quantum Computer is like a normal computer but uses qubits instead of bits. It can solve certain problems faster than a normal computer, but is extremely difficult to make. Working in superconducting circuit quantum electrodynamics here . So a normal computer operates with bits, which can be 0 or 1, or on and off. A quantum computer operates with qubits, which can be 0, 1 or a mix of 0 and 1 at the same time. With a normal computer you can only have the bit change between those two values. With a quantum computer you can have it shift between the two values for more). That the qubit is able to be in this mixed state allows us to do certain things faster than a normal computer can. One of the more famous is [Shor's Algorithm], which factors large numbers. The speed up is so much so that factoring a 2000 bit number , which even a normal computer the size of the planet would have trouble solving before the human race died off, would take a quantum computer about a day or two. A good source for other algorithms is [Quantum Zoo]. This would still be a pretty big quantum computer though, requiring about 200 million qubits, and take a nuclear reactor to power it. That is with current designs we have come up with so far. It is still very difficult to make as it requires generally very cold temperatures, sometimes very strong magnetic fields, or very good lasers and detectors. Edit: Woops, fixed from bot.For any interested 5 year olds with a good grasp of maths: [Quantum Computing for the Determined], recorded by one of the guys who literally wrote [the book] on quantum computation, explains how it works from a theoretical point of view.
What's the idea behind being "fashionably late"?
2 unrelated reasons. 1. It's courteous to arrive a little late so that your host has extra time to deal with kitchen fires and such. 2. It's so that everyone else is already there to see you make your kickass entrance.
why the floors in my house make a "pop" sound at night when nobody in the house is moving around.
Because during the night the house contracts in the cold after it's been warm all day. So everything creaks e.g. walls, roof and floor.
Why do we euthanize wild animals who attack humans?
There is a reason humans are rarely attacked by wild animals; we've spent many thousands of years killing anything which attacks humans. Most predator species learn what prey to go after from their parent, so if an animal starts targeting humans we tend to kill it before it has offspring and teaches them to also hunt humans.
What makes monkeys and chimps so much stronger than humans?
My bio professor explained Dave Chappelle's bit about a chimpanzee ripping your dick off like a celery stock as chimp's muscle density is so much greater than ours. Plus like others have said they really don't need to be delicate with their application of strength. Mostly though the difference in strength comes down to physiology and their muscles are much more dense than ours.
do hairs and dust ever get into our lungs? And if so what does our body do about it?
Yes, all the time actually. As long as the lungs can expel the irritants it's not a problem. When you get sick and cough up nasty stuff it's kind of the debris left over from the battlefield. Your body attacks and kills the invaders which may be bacteria, fungus, or virus, and all the damaged junk gets expelled through coughing or re-absorbed. When you get an irritant in your lungs it causes the body to respond by producing more mucus which helps collect and pull the junk out where it can be coughed up. There are substances which can get into your lungs though and the body cannot expel them, and instead they can stick around for years and decades damaging the lungs and resulting in scar tissue and lung damage. Asbestos is a really good example of that.
Why are thousands of people worldwide joining ISIS? Especially women?
Religious movements can quickly rise to power at the prospect of instituting a government in the form of their favor. All it takes is a movement against that government, that might just be mainly seculars wanting democracy. Egypt and Syria are both examples--Arab Spring, the series of uprisings in the Middle East, was initially about democracy. In both cases, extremist elements utilized this chaos to advance their own cause, thus attracting people based on hatred of a regime, and wanting to form their own theocracy. In addition, this isn't for ISIS, but anti-US sentiment always is easy to exploit. Engage in hyperbole about drone strikes and civilian casualties in the Iraq/Afghanistan war, and it's easy to get people to join an anti-U.S. movement. I wouldn't know as much about ISIS itself, but I'd keep those two points in mind.Many people have felt maligned or are told they have been maligned by western nations/cultures. ISIS is a sort of reactionary movement which promises potential to refute westernizationHave you heard the nasheed? That shit is catchy.
Strange out-of-body feeling (see description)
I get this as you describe and I also get something else. It is very hard to explain. It's like instead of seeing or hearing things in my normal mindset, everything feels sarcastic. Everything feels out of place and like I will never relate to anything again. It is really fleeting but I don't really want to tell anyone bout it in case they think I am mad.
How do you know when to use affect or effect in your writing?
Effect is used when talking about cause and effect, cause being what happened, and effect being the changes that the cause created. The effects of a drug, are what it does to you. But sometimes, effect is the cause. Effect can be a verb. The boss effected changes around the office. Affect is used when talking about how something will be changed. How does weather affect people's shopping habits? It can also be used to describe facial expression. He took the news with little affect But just remember the effects of misusing effect and affect can affect your grammar.
Why is it so frowned upon to be friendly with Russia?
To me it's pretty obvious how this plays out over the next 2-4 years: -Putin continues to stroke Trump's ego, leading to sanctions being eased, if not eliminated. -Domestic counterespionage investigations continue to reveal questionable contacts between Trump associates / Russia, contributing to continued US Federal government dysfunction & paralysis. -If for some reason US intel agencies begin to back off or are ineffective , Russia will begin to leak info about Trump/Russia connections through back channels, while officially denying the leaks legitimacy or that there were contacts. -Russia will invade the Baltics summer 2018 or summer 2020, just as US Gov't dysfunction peaks & Trump's legitimacy is at its nadir. US will be in no position to respond as we are enveloped in a constitutional crisis of our own making . I hope I'm wrong, but it's just too obvious Putin is playing Trump like the buffoon he is. Putin's goal isn't to have a friend in the USA, its to destroy the USA's position in the world and the legitimacy of western liberal democracy. They weren't strong enough to do it to us head to head, but they were smart enough to trick us into destroying ourselves. Very sad day for the US led world order and a new dawn for strongmen everywhere!
Why is it disrespectful to wear a hat inside?
I'd always heard that it was like your jacket. Men wore hats to protect their heads from things like dust, dirt, rain, and snow. If you walked into a building, you took off your hat and hung it up so you weren't tracking that inside. It was considered a sign of respect after that. Y'know, don't wanna get gunk everywhere.
It seems like many packaged food items say 'May contain peanuts.' or a variation of it. What does this really mean?
It usually means that though the product doesn't contain peanuts in of itself, however it's possible it may have peanuts in it from another source, for example the factory in which it's made might also handle peanut products, which means it's possible that peanuts or peanut dust might accidentally have made it's way into the supposed peanut-free product, and so it *may* contain peanuts.
are you really supposed to stay 300ft back from a truck that states this? 300 ft is close to the length of a football field?
The issue is that big trucks can kick up rocks that might damage your windshield, especially those involved in construction work. Staying back isn't a bad idea. However, the real purpose of the sign is to make people think it is their fault and not try to get damages from the truck company. It may or may not be their fault, but whether there is a sign or how closely you follow is not relevant to that. You are required to obey the law, not signs on trucks.It's for liability reasons. If they post that they are trying to ensure you can't sue for damages in the event of contents of that truck and/or debris kicked up by their tires causing damage to you or your vehicle. Similar to posting "beware of dog" on your fence.
How come after a man ejaculates he feels the urge to urinate?
It's your body cleaning your urethra for you afterwards. Otherwise there's a risk of slight blockage and drying/residue inside your bird