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How does Rogaine work?
minoxidil, the active ingredient in Rogaine, is a treatment for a type of balding called androgenetic alopecia. A basic summary of how hair follicles work:Hair follicles have three phases, growth phase , involutional phase , and resting phase .Normally, a hair follicle will grow for 2-6 years. Then it will start shutti...
Why can you only know an electron's position if you give up on knowing its momentum and vice versa?
Imagine taking a photo of a ball in the air. [In this photo], you can see exactly where the ball is. Its position is totally clear. But you have no idea of its movement. Is it falling down? Moving rightwards? No way to tell. [Now look at this photo.] You can tell by the blur that it's moving vertically, so now you know...
Who benefits financially from the anti-vaccine movement?
As a money follower myself, I'm here to say that no one benefits. Not financially, and certainly no one's health benefits.
Why is the term Antisemitism only applied to the Jewish people when Arabs are also a Semitic people.
I just came to say I think it's weird Christianity wasn't included, in that it's also a semitic religion.
Please ELI5: Corporate raiders
They make money by taking companies that are being managed inefficiently . In some cases acting in the best interests of the shareholders could mean tearing apart the company, firing employees, or more specifically, executives would lose their jobs. Even though the methods of the corporate raiders seem harsh, they are ...
When I have nosebleeds, why is it only on one side?
When I cut my right hand, why doesn't my left hand bleed? The inside of your nose has a wall of cartilage running down the middle of it, called the septum. When you get a bleed in your nose, it is only going to come out of one nostril, because the septum prevents it. If you always seem to get a nose bleed on the *same*...
Why can dogs and other animals just willingly eat disgusting things like poop, own vomit etc. Is it just a psychological barrier because we know how gross those things are?
I had a dog once.. toy poodle.. but we had flea poison put down on the carpet for the cats.. the dog promptly went around licking up the flea poison.. then vomiting it all out.. then licking up it's own vomit.. then vomiting because it was poisoned again.. then licking it up. And so on. That was one dumb dog. Also had ...
Why is raising the minimum wage to 15$ something people want? Wouldn't that just make, for example, a subway sandwich 10$ instead of 5$?
They're linked, but it's not a 1:1 relationship. There are plenty of products where the minimum wage component at point of sale is only a small fraction of the cost, and so an increase in one will lead to a much smaller increase in the other. Minimum wage simply isn't the dominant factor in pricing. You can tell this b...
Why do intelligent people join cults?
Having knowledge is pointless without wisdom. Just because someone is smart is some things doesn't mean that they are in all things.
Why does a videogame at 10 FPS look like it's at slow motion but a video at 170,000 FPS looks like slow motion too?
For a video to be played back at normal speed, there's a certain amount of time that should pass between each frame being displayed. When a slow motion video is recorded, the time between each frame is a very small fraction of a second , but when it's played you increase the time between each frame . This means the vid...
Why can't the free market solve our cable monopoly/net neutrality issues?
Naturally, free markets gravitate towards monopolies. The assumption of perfect information means that in perfect competition, everyone charges the same price. But if someone enters the market with a lower price, then everyone goes to him. On top of that, the already mentioned high cost of building a network is a high ...
How do zip files compress information and file sizes while still containing all the information?
Compression algorithms looks for patterns. These can be groups of letters, phrases or repeated bytes. Text can be compressed quite well, there are only roughly 64 characters that are used, while a byte can hold up to 256 characters . There are also common letter/word combinations, q is almost always followed by u and '...
Why is the UI theme of many popular computer programs/apps (MS office, Google, etc.) extremely "white"? Is it functional, or simply to look modern and cool?
It's fashion. In the same way waistlines go up and down, certain color and other design elements come to the fore, become normal, and eventually make way for the next best thing. Right now, we're on light and flat. But before things were glassy and bright. If you can figure our what the next big thing will be, you stan...
Are all creatures symmetrical? If so, what is the evolutionary benefit to this? If not, what is the creature, and why did it evolve that way?
Some crabs are asymmetric, they will have left and right claws that are shaped differently and for different purposes. I would imagine symmetry is a thing in general for redundancy and balance, it's way easier to fly/run if your body is naturally balanced in the middle.
Why is it illegal to audio record teachers' lectures and take pictures of the board?
In some states, it is illegal to record someone without their consent. In others, it's legal as long as at least one party knows about the recording.
Why do some people pass out at the sight of their own blood?
When you see your own blood, especially in large amounts, you become aware that you are , indeed injured. I feel that it works the same way with hands. When my hands are injured, even if its just a small cut, I find myself dizzy and nauseated, whereas large injuries on other parts of my body don't affect me anywhere ne...
What exactly would have to happen in order for a man-built artificial intelligence to be considered "alive"?
Depends on how you define something to be 'alive'. Scientifically speaking, we say something is 'alive' when it is able to make copies of itself. So, if an artificial intelligence is able to code another AI without human instruction on how to do so, then we could say that it is technically alive.
Why is suicide (or attempted suicide) illegal in so many countries?
My understanding is that it's illegal to prevent someone who attempted and was stopped by emergency responders from turning around and successful suing those emergency responders.
Why the molestation of Grace Dunham by her sister isn't getting the same sympathy as the molestation of Dylan Farrow by her adoptive father.
If anything, Grace Dunham should be getting more sympathy. We know for a fact that she was abused because Lena Dunham freely admits to it. With Dylan Farrow, on the other hand, no one really knows for sure what happened because it's all hearsay.
Why does the sky turn green when a tornado is about to happen?
It's *not a myth.* It's a completely explainable situation. [This explains it fairly well, if you're wondering where I get this information from.]. Pretty much what happens is when the sun is low on the horizon, the sky appears to be red due to the refraction of the sunlight in our atmosphere. The storm cloud's water p...
If the NSA can see everything (and assuming all other agencies can too) why don't they jail people who download illegal content off the internet?
Because computers are not lawyers! Everything you can see through your internet browser is actually downloaded from a server to your local computer, and rendered on your screen via your browser. That's how the internet works: files are always and only being either downloaded or uploaded. Now say I download a image file...
How do you have a statistically better chance winning the lottery with a quick pick the bigger the amount gets, if the pick is just random numbers anyways?
I think because people tend to pick numbers that's aren't really random. It increases the chance that someone will share your numbers with you so less chance of the lottery being won overall but even if you do win you'll be sharing the prize
why can ants drop so many feet and walk off unharmed, but if humans drop the same height proportionally, they're dead?
The more you weigh the faster your terminal velocity is. Or max fall speed. Ants weigh so little that their max fall speed and air resistance don't allow them to fall fast enough to crush their ridged exoskeleton. Humans however weigh much more and are aero dynamic due to our upright posture. Thus our max speed is high...
That voice in our head when we read.
I always read things / inner monologue my thought in H Jon Benjamin's voice. Not sure why..
Why do people often worry that rape victims are actually lying?
Because accusing a person of rape is tantamount to essentially doing the act. For an example, there's that Lacrosse case back in 2006 which got dragged through the national media circus and ended up not only completely false but ended up basically destroying the accused. I've never seen it as official policy, though.Is...
Why are young kids often repulsed by their peers of the opposite sex?
The best answer I have heard , is that is has to do with gender identity development. Very young children, actually do play with the opposite gender. However, then children begin to develop rigid gender roles , and so children then associate with only same gender children and their appropriate games. Then as children b...
How do cemeteries make money once they've sold off all their plots?
In parts of Greece your payment only buys you three years. If no one pays rent on your plot after that, they dig you up and throw your remains behind a wall in a room, so they can sell the plot again. You do also have the option to pay much more and buy the plot permanently, but many people can't afford to do this. Thi...
Why do you have to take antibiotics exactly as directed for the full length of time?
> If it says take 4 times a day, why can't you take it 3 times a day for longer? This has to do with how long the drug stays in your body for. As soon as you take a drug your liver or kidneys start to get rid of it. If it's meant to be taken 4 times a day, then after 6 hours or so the concentration in your body will no...
If everyone can have a gun in the US, how do controversial persons (e.g. politicians) not get shot?
First, let me just point out that politicians *do* get shot. This has even happened somewhat recently. Now, lets break this down a little. First, not everyone who owns a gun kills people with it. There is a *lot* of gun violence in the US, but it's not a dystopian anarchy here. Second, politicians are a small segment o...
Travelling from Canada to Asia. Why can't planes fly west instead? Wouldn't it be faster?
The direct path goes via Alaska, Kamchatka, Sakhalin, North Korea. While Alaska is fine, Russia [doesn't like] planes flying over their islands, and I can imagine that North Korea is avoided as well. There are many flights going a bit more south than the direct connection, however. Flying via the middle east is way lon...
Why are glasses so associated with nerds?
I'm pretty sure that claim was last valid around 7 years ago. At least that's the last time I think I was bullied for having glasses.
How are near-century old buildings still safe? Was structural engineering knowledge the same then as it is today?
Older buildings certainly present hazards, which is why the ESB has been renovated many times in it's history. Our knowledge of engineering was pretty solid back then, and Manhattan is a very effective place to build large buildings due to the stable bedrock beneath.
What happens if a rock climber reaches a point in their ascent where they suddenly run out of options to continue but can no longer retreat?
It's certainly possible to run into a situation where you can't advance your planned route and you can't go directly in reverse. Normally in these situations, you have 3 options: find a different route than planned, make your own route, or rely on your safety equipment to get you back down. If all that fails and you do...
NASA says the world is "running out of water." Where is it going?
Into the ocean, Downstream, it's getting contaminated, people are using wells at a higher capacity than they can refill. As the demand for water increases, people drain aquifers faster than they can be refilled. Aquifers get refilled through rain and snow melt mostly, so with climate change becoming more and more appar...
Why is the modern mindset to extend a human life as long as medically possible without any consideration of the economic, societal, and human cost?
It isn't so much 'extend life as long as possible', it's more 'stop people from dying'. We just keep thinking up ways to prevent causes of death. You can see a similar thing when people will spend massive amounts of money and time to save the life of some stray puppy, while countless other animals are being put down. I...
If Uber is taking so much business away from taxi's since it's what people prefer, why don't the taxi drivers just become Uber drivers?
Because uber might be nice as a side earning but trying to make a living wage just by being an Uber driver ist not so easy. This is one of the main reasons Uber is so cheap, the people do it mainly for fun and don't need that money to pay all their bills.
Why it is easier for me to drum my fingers from pinky to thumb rather than the other way around.
I think because the twisting motion you make when you move then from pinky to thumb is more natural. If you twist your wrist that way, you can easily turn your wrist 180 degrees, which may relate to it feeling more natural. If you try to turn your wrist the other direction, toward your thumb you probably can't twist at...
What makes a Special Forces soldier *that* much better than your average infantry soldier?
Everyone has already commented on the selection, training and talent of SF. I thought I'd chime in with a slightly different perspective. If your an officer in the military and you need to plan missions, it helps to know the capabilities of the units you are directing. Having a special forces unit enables much more spe...
Why haven't there been "Lincoln-style" deaths in the past few years? What keeps an unpopular public figure from being killed by some stranger in public?
These days the crazies go for a high body count rather than a noteworthy single target, so we have mass shootings rather than assassinations. That and people just aren't reading Catcher in the Rye any more.High level political figures travel with extensive security to keep the lone nutjobs away. Before Obama attends an...
Why Games Install DirectX For Every New Game?
DirectX is a set of tools released by Microsoft that help programmers use your computer efficiently without having to know exactly how it is set up. The game programmer can just ask Direct3D to draw a yellow cube, instead of having to have 15 different yellow cube drawing bits depending on your computer. The programmer...
Why do scientists say that there has to be water on a planet for there to be life? How do we know that aliens need water to survive?
Well, mainly because all life **we know of** requires water, and everywhere we have found water, we have found life. It could be the case that there are different kinds of life that don't require water, but that would turn our search to looking everywhere for something that we have no knowledge of, which is sort of imp...
How do stoplights know I'm there?
> And why do they sometimes not know I'm there? In addition to what others have said, there is a certain timing to the censors. So if you get on the censor a second too late because the light changed for a car ahead of you and didn't quite detect you when the light changed, there are times that you have to move your ca...
If fire can't happen in space due to the lack of oxygen what happens if theres an explosion (what would it look like)?
Explosions can happen through things violently breaking apart. Fireball explosions need oxygen. But other chemicals can react in other ways, and the super-expansion of frozen water can create steam explosions. So for example if an asteroid were to hit a comet, and its just rock and ice, there would still be an 'explosi...
Why doesn't the US just bomb the oil production and cut off ISIS revenue?
I thought we didn't want to bomb the oil fields because it was Iraq's main source of cash for their economy and we didn't want to destroy a country we basically had to build from scratch after getting rid of Saddam? Also bombing these oil fields would destroy them, nothing would be salvaged and someone would have to co...
Pharmacists, why do they need a PhD?
They don't just dispense medication. They also prepare medications when necessary and have to be able to understand and advise patients on the effects of drugs, potential side effects, and possible interactions with other drugs that they are taking. In order to do this effectively they have to have a complete understan...
There hasn't been a group so universally hated as ISIS since the Nazis. What is keeping international intervention from a lot of countries?
Apathy. Nobody likes ISIS, but hardly anyone besides those in the region are directly affected in their day-to-day lives. Without a tangibly obvious reason for people's attention to be fixated on the situation, it's just lost among the huge amount of news stories sensationalizing violence in poor regions.
Why don't we build a manufacturing center in orbit or on the moon that allows us to build and launch cheap space craft?
Bottom line is, money talks. Right now, launching any sort of mass into orbit is bloody expensive. IIRC the space shuttle spent $10,000 per pound to get into low-earth orbit. Private space enterprises like SpaceX are dropping prices, but it's still too costly to do. Just coming up with the overhead for that sort of thi...
The difference between a fee antivirus software like AVG, and a paid antivirus software like Norton 360?
For what its worth, from an Enterprise level, a commercial application adds administration functions. Distribution of updates can be controlled, then you have reporting alerting you to server / pc's requiring updates / not reporting, through to virus notifications. Also servers running Exchange will have different need...
If you are driving at a legal speed and a person intentionally jumps out in front of your car in a suicide attempt resulting in their death, what criminal charges could/would you face?
Totally anecdotal, but I actually know someone who was the driver in a case like this. Nobody really knows if the pedestrian was suicidal or just stupid, but she stepped into the road in front of my friend and he couldn't stop in time. He was not charged with anything, this was in the USA.Motorists who kill pedestrians...
What is so different about the antibodies / antigens across different species (e.g. Canines vs. Humans) that we have different blood groups for each?
To be honest, there are not a lot of differences. Dogs have a group of antigens known as the DEA system, meaning the best defined group of dog red blood cell antigens. This could be compared to the Rh system in humans. Exposing positive cells to a negative person won't necessarily be bad the first time, but the next on...
If I leave the Milky Way, am I immediately in another galaxy or in a big empty part of space with different galaxies to choose from?
You're in a big lot of nothing. Consider how much it took to get to the Moon from Earth. If you scale up the Earth to the Milky Way , there's about the same amount of relative space between the Milky Way and Andromeda galaxies. It's mostly nothing out there. Put another way, you are more likely to be in sight of a boat...
How are high-profile, open marijuana users like Seth Rogen, Doug Benson etc. not pursued by police for breaking the law?
Certain high-profile marijuana users, like Wiz Khalifa and Willie Nelson, ARE pursued by police. It's always a slap on the wrist.
What I will have to do on Oct 1st with the Affordable Healthcare Act/ Obamacare
What you'll have to do depends on whether or not you have insurance now. If you have coverage, you'll have to do nothing. If you don't, you can theoretically go to _URL_0_ and buy insurance. The insurance will still be provided by a private business despite the government making it sound like they're providing health i...
Why do animals (including humans), in general, become less playful as they grow older?
As a human animal, I have become less playful for the following reasons, in decreasing order of importance: - Tempus fugit. As you get older, you have less and less time because you have more and more obligations to other human animals.- The Man grinds you down. I spend much more of my time worrying about mortgages and...
What are the arguments for the non-existence of reverse-racism?
A couple people like /u/dsampson92 and /u/RabbaJabba have answered fairly well, though they do not subscribe to the view. Though it will be in the minority here, I'd like to present a defense of this definition of racism. Defining racism along the lines of oppression and power dynamics works to make the word have meani...
Why is Washington DC such a dangerous place to live when it's the capital of America?
It's the 16th most-violent city in America. Less dangerous than Detroit, New Haven, and Little Rock. I think you're dealing with stereotypes from the 80s: _URL_1_
When we feel wind hitting us, what are we actually feeling? What is actually hitting us?
Wind is when air from high pressure areas is moving towards area with lower air pressure. If the air pressure in the troposphere was universal throughout there'd be no wind.
Why is Oman NEVER in the news?
Oman, ~~Yemen~~ & the UAE are just small, rich countries on the edge of the Arabian peninsula. Money tends to breed stability. They're nowhere near Israel or the Islamic holy cities. They're just happy to be left alone.
Why is TOR so much slower than other internet browsers?
Imagine yourself in a library. You've just finished studying and you're getting ready to walk to the elevator, when you notice a group of frenemies sitting at a table next to the main walkway. If you take the direct route, you'll be forced to make small talk. So instead, you go out of your way and walk through the book...
Why are there still a few operating Blockbusters, and where does the money that they make go?
Internet infrastructure is still not that great across large swaths of North America. Canada and the United States are huge countries that have a relatively low population density. In rural areas, or more remote areas like Alaska, it may not be economically feasible for ISPs to run the expensive high capacity fibre lin...
Why hasn't free, plentiful, sunlight become a part of solving our energy problems?
Sunlight is unreliable, and batteries are inefficient. There is no known technology that could store enough power to last a week's worth of overcast weather in the winter in Calgary or Oslo. Until the storage problem is solved, solar will never be a primary power source.ELI5: It cost a lot to make the panels and the re...
How affirmative action works.
Affirmative action is a way of achieving something like [the second picture here] As much as we might WISH for a world where everyone starts on even ground, we're not in that world yet. So we compensate to be sure that even if we can't *start* from the same position, everyone gets a chance to be part of the game. And a...
Why have we found so many more dinosaur bones from hundreds of millions of years ago than our ancestors from over 40,000 years ago?
Humans like areas near volcanoes, rapidly eroding mountains, shifting rivers, coastal boundaries and other areas that are considered topographically rough. They are useful for shelter, tools and resources but not generally good for preserving fossils or other evidence. _URL_0_ Now we are using landscape roughness to tr...
Why do India and China have such massive populations? How did that happen?
According to some people, lack of education gives less opportunities to enjoy all the varieties of life. Having less education often means earning less money and having less free time. So less educated people are more likely to enjoy life by having special hugs with romantic partners. I'm not sure I agree with that, ho...
how are some people able to smoke for 40+ years without developing lung cancer or any other serious health effects?
It increases the chance of it occurring not making the occurrence certain. There are probably tons of health issues that he may have as a result of it that you wouldn't attribute directly to smoking before. There is also the possibility that he is that one in a million person who has some weird random immunity to it as...
now that the IMF has concluded that Greece's debts are unpayable, what will happen to them?
If the rich Greeks paid their tax bills it would help greatly. They owe billions. If the Greek government isn't willing to crack down on tax evasion, why the hell should we be interested in helping them?
Why do we sometimes get tiny white blobs/dots in our fingernails?
IIRC the small white blobs, known as punctate leukonychia, are almost exclusively due to nail injury as others have noted. States in which the body doesn't have enough of a certain protein , such as in chronic liver disease or some kidney conditions , can lead to massive whitening of the nailbeds. The same conditions, ...
Why do you get really bad cramps before diarrhea?
I think twice now I've had severe sweatiness and dizziness followed by rapid squirt gun style shits. I've always wondered wtf is going on. The first time I was getting ready to call 911 because it was overwhelming and happened out of nowhere. Then I shit and felt immediate relief. Weird.the sweaty, clammy feeling is ca...
Why does it feel almost instant from the time you sleep to when you wake up?
The short version is because when you sleep your brain lose ability to perceive time - if you don't remember what happen during the sleep then you cant feel how long it was
Can guys really not stand looking at other guys dicks on porn videos?
The most popular porn involves visible penetration. The people most likely to watch porn are male. Your boyfriend is an outlier. That's not to say there's anything wrong with him. He just does not represent men as a whole in this particular instance.I suppose it depends. As a gay guy, seeing boons or a vagina in anythi...
What's that weird tingling sensation I feel in my crotch when I'm on a roller coaster or swing?
It's called the whoop-whoop factor. When you're in a potentially dangerous or precarious situation, your balls will basically pull up to be close to your body, a phenomenon which can cause some tingling or other sensations.Are only men experiencing this feeling? I recall talking with girls about it, and that they never...
Why do diseases kill people? Is their goal to just kill everything or to survive and reproduce?
The entire goal of microrganisms is to survive and reproduce, some do it without hurting larger organisms, some help larger organisms and some take away from larger organism's. The ones that hurt us have evolved ways of exploiting our bodies to further there own need to survive and spread.
Why do Americans seem to hate socialism?
There have been repeated propaganda efforts in the US to demonise socialism. _URL_2_ A popular method of garnering political support from the working class is to identify a group of people as an outer social group and to associate that outer social group with a threat to the life and livelihood of the working class. _U...
What is pleasurable about anal for both parties, there seems to be very few pros to the hole thing.
As a somewhat frequent receiver of strapon anal from my wife, I can tell you that it is quite wonderful to receive after some practice. We started with fingers and worked our way larger. It's an erotic and kinky experience and I can occasionally have a hands-free orgasm. It's quite incredible to be honest. I like to ba...
- Does gritting the road harm the environment? surely a massive increase in salt would alter the natural soil composition and harm the surrounding area/ecosystem?
As well as being bad for the natural environment, it plays havoc with any metal reinforcing in the road or bridge structure. Many of the 'elevated' sections of roads in London are now rotting because no-one realised putting loads of salt on them every winter was a bad idea.
How come we can't decrypt encrypted stuff even if everyone knows how the encryption works like the Advanced Encryption Standard?
The same way a safe lock works. You can Google the mechanics of it, but you don't know the arrangement of the tumblers inside it.We just know how the AES uses the password to encrypt the data. Nowhere in the standard it says what the password is.
How was professional cooking and baking handled hundreds of years ago in the hot seasons with no refrigeration?
No complex concept here. People cooked or baked every day, and ate the products soon so they didn't have a chance to rot.
What would happen if a [large] group of billionaires paid of the US national debt?
Considering that most billionaires have much less cash, and much, much more in stocks, bonds, non-profits, and other investments, if the 500 richest people in the country all pulled that out at once, the economy could be devastated. Don't get me wrong, billionaires tend to have lots of money that's doing nothing useful...
Why couldn't the Allies have used atomic bombs as a nonlethal show of force, rather than actually dropping them on cities?
They would have had to use 3 atomic bombs. The US dropped a bomb on Hiroshima and the Japanese wouldn't surrender. They literally had never considered it. They were more than willing to fight a war of attrition to the bitter end. The US didn't want to nuke Nagasaki, but the Japanese still had no imminent plans to surre...
Why do athletes spank each other?
I swear this happens every single day on the swim team. Speedos don't provide much protection against slapping.Well considering this is most stereotypical of football players, let's focus on them. They have a helmet on their head, pads on their shoulders, stomachs, backs, knees, hips, and Johnson. Let's hope no one wou...
Why do different human languages sound so different but the same animal from around the world sounds so similar?
Languages are a reflection of human culture and history, and are learned when babies are born.If we didn't have any language we would produce only grunts and random sounds, just as animals do.If animals could produce languages, they would sound as different as we sound.
If states like CO and others can legalize marijuana outside of the federal approval, why can't states like MS or AL outlaw abortions in the same way?
Both are cases of states choosing not to follow the federal law. The difference is, in one case the federal government decided not to bother enforcing its laws on states that don't want to follow it.Abortion technically has a Supreme Court protection through Roe v. Wade; the only way to really make it illegal is a Cons...
Why are injuries not passed onto future offspring like some conditions are?
An injury doesn't make a direct change to your genetic code, so will not be passed onto children. For example, if your dad was a war vet with several bullet wounds, those wounds have not altered any of his DNA and therefore his son/daughter will not be born with scars.
What is the difference between Advil, Tylenol, and aspirin? I know they're different drugs, but what is each one doing to my headache/ pain?
Which one would be the best to take for lower back pain? I've been taking paracetamol and I find it good for headaches but not much for back pain.
Why do I have trouble getting out of bed regardless of if I get 4 hours of sleep, 8 hours of sleep, or 12 hours of sleep?
Went to sleep clinic. Doc said my brain activity didn't settle at all. This makes mornings a battle. One thing that helps me. No stimulants after 11am but yeah. Some of us are just destined to feel like trash every for the first bit. You just suck it up and manage it and don't expect people to understand. They'll just ...
How is it sustainable for house prices to be going up 5, 7, 10% when real income is only increasing 1-3% and real inflation is only 1-2%?
There are two things going on here: First, all real estate is local. Prices may rise in one area while decreasing in others. If a bunch of people all want to live in the same area due to economic opportunity or available amenities prices in that area will rise. This encourages people to make best use of available accom...
Why Build Nuclear Power VS Renewable
A more detailed answer. The following numbers are taken from the report at the bottom of the comment. > For $10 billion I can only imagine how much solar capacity you could build. 2.3 to 5.4 GW of capacity, depending on the estimate. Median is 3.1 GW. Two things to note, are that Russia is paying half the cost of the N...
Why are manhole covers not in the middle of a lane so car tires don't run over them?
Manhole covers are located where there's access to sewers. Sewers are planned and built where it is more efficient and convenient. Having cars run over the manhole covers isn't really a factor in this
Why did we not evolve not to need sleep since it is such a poor survival mechanism against attackers?
Sleeping is very important in the formation of memories. Try not sleeping for a day or two and see if you remember anything that happens the previous day with the same clarity that you normally do. In addition, sleep allows your body to do basic upkeep functions like healing and clearing infections while you aren't usi...
What is diplomatic immunity?
I'm not sure everyone's talking about minor things like running traffic lights, but I thought diplomatic immunity exists so that we are able to hold summits, etc, with world leaders without arresting them for crimes against humanity or whatever. For example, Richard Dawnins wanted the police to arrest the Pope when he ...
What actually happens in the human body when one eats food and gains weight?
Your body is like a car. You only need 10 gallons a day of gas for your daily driving. If you put in 11 gallons then at the end of the day you still have 1 gallon left over which is no big deal if you only put 9 gallons in the next day. But let's say you are just used to putting in ten, and you continue doing it daily....
Why is Burger King buying Tim Horton's a big deal?
Burger King buying Tim Horton's means that Burger King pays less taxes in America. This move is seen by many as un-American because they believe that Burger King will no longer be paying their fair share taxes. On the other hand, what Burger King is doing is perfectly legal and there's an incentive to do so because the...
How come tornadoes never touch down in big cities, and if one did, how bad would the destruction be?
One hit Minneapolis the same day as Joplin. Did far less damage but still, that's two in one day.
why do the Arctic and Antartica have some different animals (most notably penguins.) Are the climates not actually that similar or is there another reason?
They are very remote. It's like asking why there are great apes in South America, the climate is near identical to the Congo, but there is a massive ocean that isolates the two continents. Except it's worse for the ice caps because at least at some point there was a land bridge leading from Asia to North America. There...
How can small spiders, ants and other insects walk on vertical surfaces as if they were horizontal?
There's the size factor like all of the other comments say, but there is also the effect of intermolecular forces between the atoms in the wall and the feet of the animal. More specifically: [London dispersion forces]", 'They have stiff hairs, natural adhesives and little claws that enable them to walk on vertical or u...
Why do I, when sick, usually have one nostril relatively dry and the other clogged and runny?
This sounds like you have a deviated septum. Having a deviated septum is quite normal. It means that the soft bone tissue running down the center curves to one side. This doesn't need to be visibly apparent. Your nose my appear perfectly straight in a mirror. The severity of the deviation is where the issue can come in...
What is happening when people "zone out", or "stare into space"? What causes this?
Their Default Mode Networks are activated. Your brain has one mode for processing external information and one for for processing internal information. Researchers found out about this when they noticed a flurry of brain activity going on in the heads of their participants when they weren't doing anything special. Marc...
Why do some websites require you to wait 5 seconds before beginning to download?
It originally was because some browsers wouldn't automatically start a download right away and they wanted to prevent you from downloading two copies simultaneously on accident.On top of what everyone else commented, I see it as a last chance to cancel the download if you clicked the link by mistake.I always it was so ...
What does it mean to redpill someone?
Red Pill means to reject the mainstream media politically correct narrative and think for yourself. The main topic is the relations between men and women and all the political correctness that involves, but it touches on all acts of dissonance between official, politically correct public statements and harsh truths. Th...
Why do our ears ring when virtually no sound is being made to hear?
Welcome to tinnitus club. You get used to it and it's much more prominent when there is silence