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How did pandas survive prior to human intervention? | Panda's used to be just fine until they were pushed out of their natural habitat and into areas with bamboo. Bamboo is like crack cocaine to pandas. Now, they are too lazy and stupid to breed on their own in the wild.You're misinformed. The reason why [Panda's are endangered is because of humans] - we're not the hereos... |
Why are things like branches easy to burn, but logs aren't, despite being made of the same material? | Fire is a chemical reaction that consists, in simple terms, of oxygen bonding with the material that's on fire. In order for this to happen, you need a spark, material to burn, and oxygen. In branches or newspapers, oxygen's readily available everywhere, but there's no way for air to reach the center of a log.I used to... |
why can't jedis use the force to turn off their opponents lightsaber? | Probably the same reason Vader didn't just force choke Obi-Wan or Luke. A person strong with the force would create a small aura around them, somewhat repelling others using a simple direct force ability on them. Like a bubble pushing against another bubble. |
In the days of digital currency, what stops a bank from simply saying they have more money than they do? | Double Entry Book Keeping. Money going into your account doesn't just appear, its matched with money coming out of somebody else's account. You don't really see it on the website looking at your account history, but on the banks end money moves around with detailed records. |
Why are 9 volt batteries rectangular, while other small voltage batteries are round? | Because they are actually a little box containing up to 6 round batteries. [Here is one cut up.]9 volt batteries are actually batteries. A battery is a number of electrolytic cells connected together, almost always to increase the voltage. In this case, six 1.5 volt cells are joined to give the 9 volts. Strictly speaki... |
U.S. National Debt. Who owes what to who exactly? | Like all countries who borrow money, the US issues 'bonds', which are kind of like stocks in America. Every year, each bondholder gets a bit of money from the US government, and then after a set period, the US government buys the bond back for whatever they were paid for it. More than half of US bonds are owned by Amer... |
How many countries are in severe social unrest right now and what could that mean for the United States? | The main 2 countries are Brazil and Turkey, whom are rioting. Syria is in a civil war but that's been like that along while now. The WW3 rumours are about Syria, as the US is going to fund the rebels. Russia doesn't agree with it and they still don't have any solution after the G8 meeting. That's probably why you heard... |
Why do we celebrate the 4th of July with fireworks? | "Rockets red glare, the bombs bursting in air. Gave proof to the night, that our flag was still there."', "Because John Adams wanted us to. He wrote a letter to his wife, Abigail Adams on July 3, 1776. stating independence day should be celebrated “with Pomp and Parade, with Shews, Games, Sports, Guns, Bells, Bonfires ... |
If I swallow my saliva a couple of times really fast, my swallowing just kind of disables. Why? | It probably has to do with a vacuum pressure in the mouth due to shallowing several times and not opening your mouth. If you simply open your mouth it returns to atmospheric pressure again and swallowing should work as usual just with less saliva.I'm afraid to try this as I now have an irrational fear of possibly never... |
How do human traffickers make money? Can't migrants travel from place A to place B on their own without paying money to traffickers? | Pretend you are a city boy. You have never left good old suburbia, never had to learn how to read a map, all your food has come from stores. Now ask yourself how equipped you are to walk five hundred miles through a desert and cross a giant sea without getting lost or starving to death. Smugglers offer expertise, knowl... |
How does capitalism cause income inequality? | I should preface this by saying that capitalism is not the only system that causes income inequality. Capitalism, in its purest form, idealizes profit. To profit and to gain capital are the ultimate goals. All transactions, all interactions, should be done with an eye towards maximum economic benefit for oneself. Combi... |
What is PaaS ? What does it mean to run an application on Cloud like AWS or Azure ? | PaaS = Platform as a Service So the important thing to understand here is the 3 Layers of the Cloud. 1) Infrastructure as a Service IaaS is the most rudimentary form of Cloud. The core idea is that the servers that are running your IT environment are not on-site with you they are in some massive datacenter somewhere el... |
The scale of the universe, explained like you are five. Coolest thing I have seen in a while. | If you scroll fast enough you get the opening credits to the Big Bang TheoryI love how they have the Minecraft universe included in this scaleWill there be actually a point in which the universe stops expanding?That was awesome TIL the Burj Khalifa is as tall as Vatican City is wide. |
The HHS mandate. Have some religious friends that are very riled up about it, but I don't understand what is so bad. | The HHS ruling requires health providers to offer "preventative" measures; most notably contraceptive medications, but also including drugs that may induce a chemical abortion. It's a bit rich for these groups to claim that it outright "supports abortion", because the mechanics and practicalities of it are somewhat mor... |
How do sites like Fan Duel and Draft Kings actually work? | From what I've gathered is that for any game that they have they typically take ~10% rake of all entry fees. Then they pay out the rest. So it's basically all comes down to how many entries there are. Some games with $5 entries will garner about 200k entries and they pay out 90% of that. |
Why is it when you wake up from a nightmare sometimes you still have an overwhelming sense dread? | When we dream, we enter a period of sleep called REM . We knows that this phase of sleep is strongly associated with sympathetic nervous system activity -- that's the part of the nervous system that is used for the "fight or flight" response. The chemicals that this activity releases make us feel anxious, and that is w... |
What drives exchange rates and why it has nothing to do with purchasing power. | Exchange rates are determined by supply and demand. For example, if there was greater demand for American goods then there would tend to be an appreciation of the dollar. If markets were worried about the future of the US economy, they would tend to sell dollars, leading to a fall in the value of the dollar. Exchange r... |
Does eating too little hinder weight loss? | Yes this is true. When trying to lose weight you want to keep your daily calorie intake above 1200 calories to avoid going into starvation mode. |
How Gerrymandering works in the US | Visual: _URL_2_ backup image for people over their _URL_4_ limit: _URL_3_ Article explaining the image. _URL_1_ Examples of gerrymandered districts: _URL_5_ Somewhat related, how conservatives use the false threat of voter impersonation to motivate voter ID requirements in order to disenfranchise poor voters of color: ... |
How do cassette to CD/mp3 adapters work? | An old school cassette player worked by passing a magnetic tape past the [cassette head] which converts the magnetic changes in to an electric signal. But the adapter has a [head] that does the reverse which the cassette head in your deck can make sense of. So instead of going through recording and playing back later, ... |
Why aren't all tournaments in round-robin format? | Two reasons: 1. It takes forever. If you tried to do a 64-player tournament in a round robin format, you'd need 63 rounds . Even for 8 players, you need 7 rounds, whereas a single-elimination tournament has 3 rounds. 2. Even for small tournaments, it doesn't necessarily determine a champion. It's quite easy for multipl... |
Why do you suddenly lose consciousness at high altitude, e.g. loss of cabin pressure | In aviation, they speak of *time of useful consciousness*. You may been conscious for longer than that, but you will be too stressed or delirious to accomplish anything. At 30K feet, you have 1-3 minutes of useful consciousness, and 35K, 30 seconds to a minute. You have to get to 50K before you are talking about second... |
Everyone knows that the peoples indigenous to the Americas were decimated by diseases brought by Europeans. Why didn't the reverse happen? | Because of how diseases evolve. In Europe and Asia , people have been living in close proximity to large numbers of other people for thousands of years. Over this time, many diseases became *endemic*, or always present; and anyone who was going to die of a disease did so earlier in life, so their parents just had anoth... |
How does a company know my email address simply by me googling their product? | There are a lot of companies out there that buy, sell, and trade in your personal information. Let's say you bought something from a website that had small print saying, "We only share your data with close business partners," or something. They might sell your name, address, e-mail address, what you purchased, and any ... |
What is the political debate over unions and why are certain candidates hellbent on busting them? | Unions are run by people and people suck. The vast majority of unions are good but like any group you have your minority of douchebags. There are some douchebag unions who basically extort money from members to fuel their political agenda. It's similar to how some companies treat their employees well and some treat the... |
Why I need to poop when I smoke | Nicotine is a stimulant.Stimulants cause laxative effects.All I got.Nicotine can irritate the bowels and stimulates peristalsis That's pretty much the short answer. Source: Quit smoking four weeks ago and did tons of research first.One of my mates cannot for the life of him shit without a cigarette in his mouth. Need a... |
if dark chocolate is poison to dogs... Why hasn't evolution taught them to be put off by it? | Why would it? Chocolate is something that dogs weren't ever really exposed to for the vast majority of their evolutionary history, so there was never any selection pressure to avoid the stuff. It's like asking why humans never developed an innate fear of dioxins. |
Is it okay to leave your phone (or other electronics thay require charge) plugged in and charged overnight? | No, it actually prolongs the life of the battery. Once the battery is full, the charge circuit will cut power to it and not charge it again until the battery voltage drops by some amount. However, while your phone is plugged in, modern phones will not draw any power from the battery and rely purely on the external powe... |
What do the police do if the US mainland is invaded? | It's not really their responsibility. This is a military, and State militiaissue. They are not armed in any way shape or form to deal with a military. |
Do turtles have good eyesight? How does the world look to a turtle? | I have always heard eyesight is their strongest sense, but tell that to my tortoise who mistook my finger for a green bean 😂 |
What's the difference between passing out and being unconscious? | Being unconscious is the action of not being conscious. This includes things like sleeping. Passing out is the act of falling into unconsciousness in an inconvenient manner. This can be caused by overheating and/or dehydration. This is a circulatory/respiratory issue. Not enough oxygen is reaching the brain. Being "kno... |
How our noses get "used" to a smell | The brain is lazy. New smells can mean new danger or new food sources. But after enough exposure that clue is no longer important so the brain moves on to more pressing issuesYou become used to the smell, so your brain says "Eh, not useful. There might be other things to smell for though!" So you get used to smells. Th... |
How are space rockets steered? I don't see any fins or flaps like on a plane | During launch, the engine nozzles do indeed swivel a bit to help steer-- this is called gimballing. In space, very small thrusters pointing different directions are used to control the orientation of the spacecraft so that engine burns are made in the right direction. There is also a technique called spin-stabiliziaton... |
Why do we use urine to test for pregnancy? | Do you have a vagina? Why would anyone want to swab their vagina instead of pee? Peeing is less invasive.The vagina doesn't just secrete hormones. Hormones are carried by blood, so when the kidneys filter blood to make urine some of the hormones are filtered out as well. A blood test is far more accurate at determining... |
Why does sunburn tend to be more severe near the edges of clothing? | If you get sun exposure frequently, the exposed areas of your skin get darker to protect it from the sun . The places that are not covered near the edges are not as well protected and can burn if your clothes shift. With the same amount of sun exposure, these areas will have a more severe sunburn than the tanned region... |
The US Interstate Highway System | Roads going North-South are odd numbered, with the low numbers in the West. Roads going East-West are even numbered, with the low numbers in the South. These primary roads have one or two digits. Roads that have 3 digits branch off of the main 2 digit road. It is a system of roads, large roads, often many lanes across.... |
Why Paper Is Generally White? | Paper is bleached during the manufacturing process because colors stand out better against a white backgroundOne of the reasons we stain wood is to make its color consistent. So bleaching of wood pulp makes the ground up wood consistent in color. According to the _URL_0_ article [*How is paper colored*] > Ans. Unbleach... |
Why are Japanese WWII war crimes almost never mentioned? | "Never mentioned" in what context? The rape of Nanking, comfort women, and the Bataan Death March were all introduced to me in high school history classI adore the movie Ip man. It's mostly about Kung fu, but what throws our main character into the story is the Japanese invasion of China right before WW2 starts for the... |
Sometimes when you pinch yourself in one spot on your body & it stings, a completely different spot on your body itches/hurts/stings. These spots are totally unrelated... Why is that? | because they're not exactly unconnected. the whole nervous system in your body is connected in the end. like when you begin chopping down a tree at the bottom, the top leaves shake. it all goes through your body, into the spine, and from the spine to your brain. and since these feelings are basically electrical signals... |
What makes computers 'slow down' as they get older? | Hardware wise, the only thing that degrades is your hard drive. It's the only part of the computer with mechanical parts and they wear out over time, get slower and can't read your data as quickly. There is also software based slow down. That's where you keep installing more and more programs and they each day a tiny b... |
What is physically happening when you have a stuffy nose? Why does your nose continue to feel stuffy and blocked even after blowing your nose? | It stays blocked because the lining of your sinuses actually swells up, making your sinuses constrict. The more you blow your nose, the more you irritate that lining, thus leading your sinuses to swell more and further exacerbating your stuffy nose.Your sinuses usually leak some humidity all the time, whether you're si... |
How did reddit botch the Boston Marathon bombing investigation? | Reddit went into full witch hunt mode and basically started scanning images of the crowd looking for anyone "suspicious", seemingly defined by Reddit as brown people with backpacks. After one such person was found in the audience, a sequence of extrapolations was made and Reddit came to the conclusion that the bomber m... |
How does a debt collection company work? | They buy debt off of other companies normally in big batches at discounted rates. They will then manage the debt and attempt to recover as much as they can. The selling company gets less than the overall debt but doesn't need to waste time or money attempting to recover it themselves. |
Why do people feel cold when they're scared? | Your body has a safe mode. When perceiving fear your body undergoes vasoconstriction, which diverts blood flow from your extremities in order to keep your vital organs safe. |
My Macbook's specs are similar to that of a good gaming PC, so why is it so bad at gaming? | If you have a current gen Macbook, you've got a 1.1 GHz M-5Y31 processor. A modern gaming PC would have a mid-to-good range Intel processor like an i5-4690K or i7-4790K, which are 8-11x as powerful. For graphics, you've got the integrated Intel HD-5300. A gaming graphics card like an R9 290x is around 17x as powerful, ... |
Why do girls' names end with "a" in so many cultures? | In ancient Latin, the basis for a large amount of languages, all words had a genders. For example the Latin word 'servus' is the noun for a male slave, while serva is the noun for a female slave. This was adapted by these languages, therefore a lot of girl names end in -a |
How does weight we lose "leave" our body? | Through your breath. O2 molecules are joined by one carbon atom to form CO2. Although each molecule is very light, you exhale billions of them over time. Through urination. Fat cells contain both fat and water. Salt in your diet also makes your body bind more water. A healthier diet could often incidentially contain le... |
How do we tell where sounds are coming from if its only coming in through two holes? | Its not only coming in through two holes, its coming in from all directions The majority of the sound comes in through your ear canal; however, there is a very significant portion that reaches your cochlea by passing through your skull. Your brain has a very elaborate map of how various parts of your head slow and atte... |
Why is sexual reproduction so much more common than asexual? Fundamentally, what makes it better? | It's not more common. The vast majority of life on Earth is bacterial, and by and large they produce asexually. However, both sexual and asexual reproduction strategies have benefits and drawbacks. Asexual reproduction is fast and uncomplicated. With a consistent nutrient supply, it allows for rapid population growth. ... |
The cause of the awkward silence that happens in classrooms or rooms full of people | This happens quite often where I work in a room setting of 20 people . Its mainly because no one really likes each other and all conversations are forced. yeah I work in a hostile environment lol. |
What is like to have dementia? | One description I heard is that if you forgot where you put your keys then that's a bad memory. If you forget *what your keys are for* then that's dementia. Imagine living in a world surrounded by things that don't make sense. People talk to you like they know you, but you've never met them before. They keep telling yo... |
If Earth is 97% salt water, why haven't we evolved to be able to consume it? | If the earths atmosphere has another's couple hundred metres of breathable air why didn't we evolve to fly? Why didn't we evolve to be able to eat grass? A: millions of factors go into dictating an evolutionary path and I guess drinking salt water wasn't high on our priority list given all the fresh water on earth |
Why does coffee seen to only be enjoyable at extreme temperatures? Anything in between tastes like mocha-vomit. | Your premise is wrong. Get better coffee. No, really. When I had trouble with gastritis, I went ot of my way to buy coffee roasted at a small, local roastery that was still OK for me to drink. What the owner of the shop told me was this: If you have really good coffee, you can drink it cold, too, and it won't taste bad... |
In today's world, how does one become a knight? | The monarch of Great Britain grants knighthoods . It can only be granted to British citizens although there is an honorary knighthood that she grants . They cannot be called "sir" but can append the initials KBE to their name. Basically notable citizens can get a spot in the Most Excellent Order of the British Empire. ... |
What actually happened to Blockbuster? | Their industry was based on people actually going to the store to rent a movie and bringing it back. It is a totally outdated form of entertainment now. Redbox is cheaper, streaming and on-demand are much more convenientThings like iTunes, Netflix, etc. took over. Funny thing, Netflix actually went to Blockbuster to se... |
why does the USA sell plastic bottles of Coke and Pepsi. But my local Mexican market sells it in glass? | Glass bottles are more expensive to make than plastic *but* in Mexico, incomes are low enough that people generally find returning the glass bottles worth their time in order to receive the deposit. So, in Mexico, Coke is sold in heavy-duty reusable glass bottles which are simply washed and refilled upon being returned... |
Why are torrents illegal, but no one seems to have a problem with the websites that take the audio off Youtube videos? | Torrents themselves are not illegal. Bittorrent is simply a method of distributing files.Torrents are flashier and more popularly known is pretty much the biggest reason. You'd be surprised at how many non-tech/non-teenagers don't know you can leech audio off a YouTube video. The other reason, I imagine is that this is... |
Why does red on a blue background or vice versa hurt our eyes? | Certain high contrasting colors are difficult to focus on. It doesn't physically hurt our eyes, it's your eyes straining themselves to actually focus. One that always gets me is the Walmart sign at night. I know what it says, but it's hard for me to focus and read it without staring at it. The big blue letters are hard... |
Why do things we don't have seem better than things we do? | a lot of problems become more evident once you use something. for example you have to have a windows 8.1 pc before you realize that the refresh feature doesn't work without either a cd you don't have because you upgraded in the store or a custom image which will reinstall the same program that caused the issue in the f... |
If credit unions offer better loan rates, better customer service, and generally lower service charges, what's the purpose of using a bank? | In my experience, credit unions do not always have better loan rates. They also tend to have higher requirements for down payments and such . Also, while they usually have better customer service, they usually do not have online services that are as good as those of the online banks . Someone made the point about atms ... |
benefits of different pay types from business stand point | Hourly and non-exempt are almost exactly the same, and is often a matter of convenience to the employer. Hourly is more common in jobs where productive can be easily measured, like shift work. If a machine operator is late to their shift, the machine sits idle and that time is lost. Such jobs often involve punching a c... |
What do Nitroglycerin patches do after someone has a heart attack? | They dilate blood vessels, making them wider and allowing blood to flow through them more easily. This is important because heart attacks in humans are usually because of "clogged" arteries. Making the vessel wider allows more normal flow. |
Why do batteries run out of power? | Chemical Batteries like Alkaline or NiCad or Lead-Acid Batteries rely on the chemical decomposition of the materials to transmit and store energy. Alkaline and Lead Batteries will degrade over time and once they are discharged, you can't open a standard AA battery and put more acid in to improve or renew the charge. Yo... |
Why do men naturally have Adam's apples but women do not? | Actually, women do have Adam's apples—they just aren't as large or pronounced as men—usually. The "Adam's Apple" is another name for the "laryngeal prominence" which is just cartilage built to protect the front of the larynx, including the vocal cords. The Adam's apple is considered to be a feature of adult men, becaus... |
How come some of my subs randomly disappear from my drop down menu? | You can only have a certain amount of subscriptions in your drop down at any given time. I believe the limit is 50 but I might be wrong on the exact number. Which subs are shown seems to be randomized, and it changes depending on which sub you're visiting when you click on the drop down. |
How is Anaphylactic shock actually helping the body? | The body isn't trying to achieve anything. It's being mangled by its own immune system- allergies happen because the body perceives something as a threat that isn't one. It causes the immune system to end up producing too much histamine, which causes extremely adverse effects .Hi there! So what happens is that your bod... |
What is the "Nuclear Option" in Senate Parliamentary Procedure? | Removing the filibuster rule which requires 60 votes to end debate, and vote on legislation. This the Republicans could pass legislation by majority vote 52-48 without any input from the Democrats. |
The difference between a "nocebo" and a "placebo" | They're similar things. Both of them are items which have no real effect on the human body, but the person will actually feel some effects because of preconceived notions. The big difference is that placebos will result in a positive effect and nocebos in a negative effect."Placebo" means "I please |
why air feels cooler when it's moving. | You're constantly producing heat - this forms a bubble of warmth around you - moving air blows that bubble of warm air away and lets your body get rid of more heat. |
(Mathematical) Powers - what's "going on" when the exponent has decimals? | Consider the identity:^z =x^ Then if y=10 and z=0.1 we have ^0.1 =x^ =x So, taking the ^th power is the same as taking a tenth root. Similarly, taking the ^th power is the same as taking a 100^th root, and so on. For decimals that aren't nice fractions you can do something like: x^0.23= ^100 )^0.01 = ^0.01 |
Why is everything more expensive in Australia | One factor would be where Australia is situated the world. That is to say, the cost of certain goods will be higher simply because of the time & distance they need to travel to get there. Here's an excerpt from a Wiki article regarding 'Transportation Geography': “The ideal transport mode would be instantaneous, free, ... |
Why aren't ocean-faring boats covered to keep out the water? (pseudo-submarine) | Like, container ships? Because they're loaded and unloaded from the top. In the port, a huge gantry rolls along over them, picks the containers up one by one, and deposits them on a shore vehicle. You couldn't do that if the ship had a roof. Cruise ships? They basically are already. The only stuff on the outside of tho... |
Why do video games make such extensive use of bump mapping, parallax mapping, etc? How are all those layers of texture calculations more efficient than simply adding more polygons? | Turns out one or two additional texture samples per pixel and some more complicated shading is far less processing than handling the several orders of magnitude more polygons necessary to accomplish similar visual results. Because to add the same amount of detail as a bump/texture map gives requires you to add *a lot* ... |
How come in one bathroom in my house if someone flushes the toilet or turns on the faucet the shower gets scalding hot, but in the other bathroom this does not happen? | The shower isn't getting hotter, but the ratio of hot:cold water becomes higher. It's water pressure. As one water using device is used, there is less pressure going to the shower, thus meaning that there's then more hot water to cold water. Other bathrooms may not be affected by this as they are ranking earlier in the... |
Why hasn't anyone been to the Moon since 1972? | There's not much left to do there. The US perfected their rocket systems, planted their flag, picked up some rocks, and said "neener-neener-neener" to the USSR, and once that's all done, the moon's really just a boring rock. Until we have the technology to start colonizing it, it's not worth the billions and billions o... |
How does something you don’t literally consume, like a video game, become addicting? | Your body produces happy hormones when you do certain actions. Some actions make more happy hormones happen. Things like video games can become addictive for some people because of that. |
how can one buy a company? | Your first step is usually to make an offer to the owners or the Board of Directors that represents them. Depending on the company's bylaws, you need to convince a certain percentage of the owners to agree to the deal. If they agree, that's a "friendly takeover." It's generally impossible to conduct a hostile takeover ... |
How can my farts smell like food that I've eaten less than 10 minutes ago? | farts smell like poop. were you eating poop?', "It can't be what others have mentioned so far, I get that weird asparagus pee smell in a matter of minutes after eating it. This happens when I haven't eaten it in months, and the smell is distinct from the actual food. I realize the mechanisms for urination can be differ... |
(feminine question) why is it that when menstruating, especially the first couple days, cold liquids make you cramp 10 times worse? | Just gonna say I'm a female who had debilitating periods and the above never happened to me.What are you doing with the liquids--drinking them or applying them externally or something else? |
the science/biology/chemistry behind capsicain and hot peppers such as ghost pepper and Carolina reaper and how the body reacts | Capsaicin binds to a receptor in nerves responsible for signalling heat, activating those nerves. Those nerves then send the signal to your brain that they are detecting heat, which causes the burning sensation in your mouth. More capsaicin means more of those heat-sensing nerves get activated, making your mouth feel e... |
The different systems of healthcare (Obamacare vs. single payer vs. Europe etc.) | **Obamacare** imposed an insurance mandate on the pre-existing US health insurance system. Now "everyone has to have health insurance or pay a penalty". You can get that insurance from the government if you're poor, old, infirm, or a dependent of someone who is one of those things, or a veteran. If not, you have to get... |
Why is flossing good for your heart? | According to my dentist: Regular flossing removes plaque build up in and around your teeth. Once the plaque has hardened, bacteria and infection can develop along your gum line which is overall bad for your mouth and body. EDIT: Removed misinformation. Thanks /u/beerhawk!', "From what I've heard, the bacteria can enter... |
How would an astronaut know how fast (s)he is going in space travel to Mars for example without communicating with Earth or using it as a reference. | You can often tell how far you are moving by using the sun as a reference point and doing some math. Sort of like if you are driving down a highway with mountains in the distance, if yesterday they were near you and today they're back that way you can do some math and figure out how much you had to move to make that ap... |
exactly what determines the fluctuations of gas prices at my local gas station? | in a short run it's local competition and gasolines wholesale price. No competition means higher prices. In a longer run or in different states/countries there is going to be other factors like taxes and fees, local regulation, other costs , crude oil price witch affects gasolines wholesale price, time of the year , ga... |
why does my body need various metals like zinc, iron, manganese, etc? How does my body process these metals? | What the layman understands as 'metal' with 'metallic' properties only exists when there are large quantities of the specific metal atoms that form special metallic bonds. In the body, where metallic atoms are required in very very small quantities , they are usually present in single-atom form and thus do not show any... |
How exactly did the older generation 'ruin our economy'? | We can agree that the economy crashed badly, though 'ruined' is a bit too much id say. Right? it did crash badly? Okay, now that that's established. Who were the people in charge of the government and corporaitons, etc, that were directly responsible for the economic collapse? The older generation.Ruined is a strong wo... |
How did La Manzanilla get a direct hit from a hurricane with 200+ mph winds and yet most building were relatively undamaged? | Two things: 1) You can build to deal with the wind: the Saffir-Simpson scale assumes houses built in the time and place is was made. Houses that aren't as rigid can sway more in the wind; and houses built using better materials can stand up better to the win. 2) One of the more recent discoveries about Hurricanes, espe... |
Why are most commercial airliners made with wings positioned on the bottom of the fuselage instead of the top? And why are there no airplanes with wings attached to the middle of the fuselage? | Passenger planes want the engines low down for easy maintenance - military planes want them high up to avoid the engines sucking in debris. You dont tend to get planes with wings going through the middle because the structural supports for the wings would go through the passenger/cargo areaIn addition to the already na... |
Why is canned dog food labeled as "not fit for human consumption" if it contains standard human-friendly ingredients like chicken, lamb, rice etc? | Because it is not inspected in the same way and to the same level of hygiene as human food. The disclaimer lets you know that the FDA doesn't stand behind the food and if you ate it and got sick you would find it very hard to litigate. |
How do fish sleep? How do they avoid running into things or not get separated from their school? | Someone can surely explain this in more detail than I will, but I watched a docu recently on this - they sleep one side of their brain at a time. Fish, birds, dolphins and I'm pretty sure some other animals can do it. Keeps them aware enough to avoid danger but still getting the zzz's they need!", 'They do have REM sle... |
What exactly is up with the Duggar family? | Honestly, I don't understand why people talk so much shit on them. Yeah they have really heavy Christian beliefs, live in the bible belt, and are probably super conservative. But everything I've seen from crap like interviews and the show.. They seem to be good hearted people who want to make the world a better place i... |
Why does hearing the sound of running water make us want to pee? | Pavlov! This one was posted a week or so ago, search and find your answer. Too lazy and mobile illiterate to link. |
Why do people say "never forget" and "always remember" 9/11, but they say to "get over" slavery? | it's a matter of perspective. The basic gist is never forget the atrocities committed agasint you. Try to forget the atrocities you yourselves have committed in the past. salver in particular now is a pretty embarrassing subject considering how far we have progressed in terms of human rights. particularly in America be... |
Why do some websites make me click the back arrow twice really quickly to go back one page? | Websites have something called redirects, where one page automatically sends you to another one. If you click back once from the resulting page, you get sent forward again. If you click back twice quickly, you can go to the previous page before that happens. Some websites probably do that intentionally to trap you, but... |
Why isn't the universe cyclic? It seems like gravity should eventually slow everything down until it collapses and then explodes again. | Congratulations! This is one of the biggest and most mysterious questions of modern science. The fact that the universe expansion is accelerating is actually a fairly recent being discovered in 1998. In short, nobody really has an explanation on why the universe expansion is accelerating. This is why we scientists have... |
Why do altcoins like dogecoin have little real value, while other coins like Bitcoin do? | It's the same thing that makes a currency more valuable than another - it's only valuable if enough people agree it has value and adopt it. I could buy a printing press tomorrow, but I'd need a little more inertia before the kman17 dollar picks up. |
what is that wind-like sound you hear inside your head when stretching at night/tired? | IIRC it's caused by a small muscle in your inner ear known as the tensor tympani, which can be triggered when doing certain things such as yawning or clenching your jaw. Some people can do it on command, but the short version is that its a tiny muscle in your ear and the sound is it tensing up. |
how musicians extract the vocals from a song to use them in a remix | When music is originally recorded in studios, they'll record everything with multiple tracks. Each instrument will be on its own track . When doing an official remix of a song, the remixer is given access to the original multi-track recording rather than just the copy that has everything mixed down to stereo. |
If the chemical properties of an element are dependent on the number of electrons, then why is the element determined by the number of protons? | The element is determined by the number of protons, because that's much harder to change than the number of electrons. Electrons come and go, but it takes quite a lot of effort to add or remove a proton. > Would Nitrogen + 1 electron behave like oxygen? In some ways, yes. I think a better example would be sodium chlori... |
Let's say I have a pressing issue and want to schedule an appointment with the US President through official channels. Where do I start? | You can call the White House and request a meeting. However, it's very unlikely that you'd actually get a meeting unless you are influential or know someone who is that can help you get the meeting. You may be able to get a meeting with a staffer, but even then there's only so many people and so many hours in the day t... |
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