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When you’re hungry and you fall asleep, why do you wake up with no appetite? | Your stomach releases a chemical called ghrelin to your brain at certain intervals signaling hunger. If you wait these out the hunger subsides. In fact, during a fast your stomach's production of ghrelin drops significantly, so that after the first three days or so you feel much less hungry during the ghrelin release p... |
Out of all the planets within our reach, why do we focus research and resources so heavily on Mars versus any other planet? | Part that it is closer - which when it takes freak'n' decades to get places, is kind of a big deal. The second is that we know more about it - much more.And lastly it's unlikely to kill us. |
What happens when a movie takes in less money than it cost to make it? | The only people who don't see the benefit of the film making more than it's budget are those who are getting paid as a percentage of ticket sales and those who have had to finance the costs of the production. But it's really common for films to not actually make back the money put into their budget. This is why studios... |
Why are the ripples in water always circular regardless of what shaped object you drop in? | When you throw an object in water, such as a suitcase, the surface of the water isn't forming onto the object itself. Rather, the water collapses in over the object on a single point, wherever it was thrown in. From this point, a circular ring forms. However, if you were to slowly put an object partially in water, the ... |
The absence of evidence is not evidence for its absence. | This is actually not as complicated as it sounds, it's mostly the way it's worded that confuses people. I'm not much of a fan of this saying, because it's easily abusable by people who have no proof of something. The absence of evidence is when you have absolutely no proof that something is being done, or happening, or... |
How can my electronics tell % of battery remaining? | Depends on the device. Some of them use voltage readings, some of them will use something in software to measure the amount of time it takes to discharge, and then triggers a battery warning when it reaches a threshold voltage and it will turn the device off before it reaches this to prevent damage, or in cases of devi... |
Why would a government want to invest in coal powered power plants as opposed to wind/solar? | Because they're trying to prop up a failing industry to save jobs. Because that's easier than finding real solutions to help the people working in those outdated jobs get retrained to do something else. |
Why do phone batteries appear to run out of charge at an increasing number rate, rather than linearly? | Wirecutter just did a piece on this a couple of days ago. It's a great read. _URL_2_", 'Muchas gracias folks for all the great answers', "Used to work a lot in telecom on the marketing and communications side of thing. Can't really speak to the technological limitations etc of the lithium battery etc, but I can speak t... |
Why do you have to turn most jeans and some other clothing inside-out when washing them...? | It's best for shirt with writing/printing on it, especially if it's the plasticy type of design; the washer does damage clothes just a smidgen with all the agitation and etc., and turning it inside out makes sure that the inside would get the brunt of it, so any fading to the outside is kept to a minimum. It's mainly t... |
- How are people legally allowed to post obvious personal pictures of their own illegal drugs/substances on the internet without any legal repercussions, such as r/trees? | Imgur strips exif data, which helps. Also, unless the poster says what state/country they are in LEAs won't be sure who has jurisdiction. So they won't know who should try to get a court order for the records of Imgur and Reddit. However, if a person posts a picture of illegal sibstances and says where they are it is e... |
We are required to pay taxes on our income, and again on goods we purchase with our taxed income. How is this not double dipping? | In New Hampshire I don't pay a state income tax or a state sales tax. I'm only getting dipped federally. |
What is outside of the universe? and is the nothingness of the vacuum of space really nothing, or is the nothing really something? | Outside the universe is nothing. Not only that, but the outside part doesn't even exist, because everything that exists is inside it. As for the empty spaces inside, those aren't really empty; there are tiny amounts of gas and dust and other tiny stuff. |
Why does it take humans so much more time to use the bathroom (defecate) than animals? | Because animals don't use cell phones! But on a serious note to sit on a toilet for more than 5 minutes and still feel the urge to poop then it's probably constipation. You should be able to sit down push slightly and let everything out within a minute or two. |
Why is chronic dangerous under-eating (Anorexia) considered so serious but chronic dangerous over-eating (Obesity) is just accepted? | First of all, it is not just accepted. There is a lot of furore about the 'obesity epidemic'. Secondly, they are just not comparable in terms of medical danger. Dangerous under-eating leads to starvation which can kill you in a very short period of time. Chronic over-eating is not healthy for you, but the risks and hea... |
What is a DDoS attack and why can't companies prevent them? | A proper ELI5 answer: There's a room that is the server and a door that people have to pass through to get in. Now the door is pretty big but if thousands of people try to get through at the same time then nobody gets in. There's a huge crowd at the door and more and more people try to cram in but it's just not big eno... |
What is wrong with the Democratic Republic of the Congo? How may first-world nations fix it? | The only way for the first-world to fix Africa is to leave it alone until the African people either fix it themselves, or destroy themselves. They don't want to be helped, that's been made apparent by the fact that there's been no progress at all in the years that first-world aid has been sent there. |
Since the shortest day of the year in the northern hemisphere is December 21, how come it's either January or February the coldest months of the year? | It's like an oven. *Summer* I turn it on. Within a minute, the element is putting out as much energy as it's going to, but it's goint to take about 10 minutes for that to affect the entire 'atmosphere' in there. *Winter* I turn it off, but it takes a while for the heat in there to dissipate. Why does it take as long as... |
Why does blood come out of the mouths of people who have been stabbed/shot in the stomach like in the movies? | This is because when shot or stabbed in the right area, one that causes blood to seep into lungs and respiratory system, the body's autonomic system reacts to remove the blood in order to breathe correctly, similar to coughing flem from influenza. Movies seem to exaggerate how often this can happen because, well .it's ... |
How come we haven't seen that ninth planet all this time? | We're looking for a black dot against a black background. This turns out to be really hard. The planets far away that we've spotted, we've spotted because of their gravitational effects on their stars: effects that we can't see on our sun . |
Transgender. I don't get it. | It seems to me, that you are looking for an objective reason to feel uncomfortable. Objectively however, there is no point in making judgements about a person based on gender alone . If you are not a nurse making a blood test, then you should assume that a person looking and behaving like a lady is in fact a lady and s... |
Why a fight with Iran would be different than Afghanistan/Iraq? | Afghanistan had a weak central gov't, so the US was able to exploit warlords who did not cooperate with each other effectively. Iraq had ethnic and religious divides, and all the power was concentrated in a single dictator. Kurds and the Shi'ite minory were not eager to support the gov't, and once Hussein was neutraliz... |
How come people who snore really loudly don't get woken up by their own snoring? | People definitely do wake themselves up when snoring, though it's not usually due to the noise of snoring. Sleep apnea is a condition where the snoring is so intense that the lungs are not able to pull air in due to restriction of the airways. The body wakes itself up when it doesn't receive oxygen.We do. I was snoring... |
Threatening people with guns in movies. | A gun has many parts. For example, there's the ammo-holding part and the bullet tube. When you pull back on the back part, it pushes a bullet from the ammo-holding part into the bullet tube. In real life, you would start with a bullet in the bullet tube. In movies, they do that extra step because it raises the tension ... |
Why are most poisonous animals brightly coloured? | The evolution of aposematism is actually kind of paradoxical--sure, you let other animals know that you're armed and dangerous, but you also make yourself more conspicuous to them by the same token. Obviously, since these poisonous animals have evolved to be brightly-colored, the reproductive advantage that comes with ... |
Firefighters, if a city surrounded by forests has a wildfire coming straight for it, why not cut down trees in a perimeter around it? | It would take too long to create a fire break of that size. By the time you're done, the fire might already have passed you, or could have been put out by the responding fire services. It makes more sense to make people leave their homes for a few days or weeks just in case, than to spend the effort and money to make a... |
Why do grocery stores and restaurants throw away so much unsold food instead of just buying less in the first place? | Have you watched people but produce? Something with the slightest imperfection will get passed over until it has say they're long enough that it actually is bad. And some fruit arrives already bruised. And if you do run out, you might not only lose that particular sale, but maybe the customer. |
Why do we find cockroaches so disgusting ? | What your are referring to are West German Cock Roaches. There are many species of roaches some are pests and the majority you would never see in our life. I have kept dubia roaches to feed my spider collection. They don't stink, they can't live in your house if they escape, can't fly, can't climb glass. you would neve... |
Why if I eat before I sleep I'm hungrier when I wake up than I would be if I don't eat before my sleep? | I get this too! Particularly noticeable after over-eating. I've wondered if my stomach got used to having so much food and then couldn't deal with not having any overnight? |
if lightning can travel through water, why isn't rain extremely dangerous during thunderstorms? | There is two ways to answer this question. The simple way is that lightning is so powerful that it just doesn't care about the droplets of water, it just wants to get to the ground as quickly as possible. The more technical answer is this. Lightning occurs when there is a significant electrical charge difference betwee... |
Why do people who are going to be executed not put up a fight when they know they are going to die either way? | Unless you've been captured by a terrorist group/drug cartel, most executions are made quick and painless out of respect. If you put up a big fight, your captor is more likely to make you regret it by torturing you and/or killing you slowly. |
why is it with all the police brutality we still allow them to investigate themselves instead of an impartial 3rd party and what can we do to fix this | I'm going to remove this one. Please read the [rules] in the sidebar. You might be better asking about this one in a sub like /r/changemyview, perhaps. Thanks a lot. > Don't post just to express an opinion or argue a point of view. |
Why, if hemp is such an amazing crop, is it barely grown in the rest of the world where hemp production is legal? | From an anthropology/international relations student's perspective the fact that you can't export it to the largest economy in the world and can't eat it seems to be pretty important. In developing nations, you want to grow things that you can export at high prices or eat, generally. Hemp isn't economically feasible be... |
I've been reading exposes of puppy mills every few years for decades now--why is it still an issue? | They're still an issue because people will do illegal things if they can make a profit. I mean, drug trade is illegal and we've been exposed to *that* for *centuries*, and yet it's still an issue.They still exist because it continues to be legal and profitable to run one. It remains an issue because people continue to ... |
What is the scientific purpose of landing on the comet, and what are it's implications? | As some others have said, a big part of this was just to test our spaceflight abilities. We have ambitious plans for space travel in the coming years, and this was an important milestone. It's no easy feat to land our hunk of metal on a giant frozen piece of rock hurdling through space. However, primary reason we went,... |
Why does NASA assume that there is no life on planets that has conditions that are not ideal for humans, when the organisms on the planets could have adapted to their respective conditions and thrive? | I want you to find a Xealidifphiacran What is a Xealidifphiacran? I have no idea. What does it look like? What does it smell like? What are the signs that a Xealidifphiacran has been around? No one knows. How likely do you think it is you are going to find one. That's right, not at all. That's why we look for life in '... |
Why alcohol seems more acceptable than cannabis or LSD? | It's cultural. The moralists would ban every intoxicant, but Jesus turned water into wine at a wedding party. |
Can humans generate actual random numbers? | The list itself may be unique in that the person hasn't recited it from memory or visual cues. But there is the problem that people often will follow patterns, even in their attempts to avoid forming patterns. |
What is so great about Che Guevara? | He's popular because he looks damn cool on a t-shirt, and he was a socialist revolutionary in Cuba. Those two combined make him a pretty easy counter-culture idol, whether he deserves his pedestal or not. |
Why do people usually hold tobacco cigarettes between their index and middle fingers, but hold marijuana cigarettes using their thumb and index fingers? | You have to be a bit gentler with joints because they aren't usually held together as well as a cigarette. Joints aren't packed as tight so they can be kind of squishy and if you flicked it like a normal cigarette you might end up dropping some pot from the tip. The filters also aren't as big so you end up smoking it c... |
why don't HMDI connectors have screws (like DVI or VGA)? | Just so you are aware you can get [HDMI with locking capability.] But as others have said, unless you're using it for something commercially, it's not really necessary on a HDMI connector as they tend not to get pulled/fall out by accident |
In the US, with 19 years old, you can't buy beer but you can buy a gun? | An age limit on guns would be very complicated and hard to enforce, considering in rural communities many kids go hunting in their teens, boy scouts learn to shoot typically at 13 and most importantly, most first term enlisted military, which comprises the majority of the front line grunts, are between 18-21. It would ... |
How do GPS satellites not get over-tasked from being constantly pinged by multiple users? | They aren't pinged, they constantly transmit like radio stations. Receivers either get enough signal from the satellites to figure out where you are, or they don't. |
Why do so many say that socialized (Canada and such) health care is better than what we have here in the US? | If you think about from a completely personal level, because it doesn't cost you anything to go to the doctor, stay in the hospital, etc.Getting hurt or sick isn't a financial liability, and you don't have to worry about dealing with insurance companies, etc.It's "better" because everyone gets covered regardless of the... |
Why are there so many homeless veterans? | A substantial portion of homeless veterans, and more than half of homeless men in general, suffered a head trauma before they became homeless. The symptoms of a brain injury are sometimes confused with PTSD, but more often are labeled as mental illness. A single head injury can change who you are. I got hit by a bike, ... |
Why does gold have value? | Gold has value because we believe it has value. For as abundant as gold is in the universe, it's difficult to find on Earth and it takes a lot of resources to mine the gold from the Earth. With the advent of new technologies that rely on the properties of gold as a great conductor, a lot of gold is in use in electronic... |
Why does It feel like time runs quicker the older you get? | As a semi-elderly person the explanation I've heard that makes the most sense is because you aren't experiencing anything for the first time anymore.So time passes without anything really making an impact of your consciousness anymore. I think it's the reverse of time standing still when something horrible happens. |
How does gravity make time slow down? | So this is already mostly answered. But I thought it may be important to mention that gravity itself does not slow down time. Gravity is an effect of curving spacetime, it's as if you're lying in a streaming river while holding on to a branch on the riverbank. Space slips past you so you feel a force . This curving of ... |
Why were disposable cameras so prolific during the turn of the last century? | It was a way to give a kid a cheap camera for a trip, and it didn't matter if they broke it. Also, you could buy absurdly cheap underwater disposables that were good for the beach / snorkeling. These were way cheaper than a real underwater camera |
What's the difference between AM and FM radio? And if one is better than the other why do we have both? | Radio waves work like any other wave- they have crests/high points and valleys/ low point. FM radio waves are higher frequency meaning have shorter distances between crests and valleys. Higher frequency means more energy needed to maintain the fidelity of the transmission. The farther the FM radio wave travels, the mor... |
As a male, why is it that I can not defecate without urinating first? | Well you're a tube, filled with a series of tubes full of tubes, and one of those tubes has a balloon, and it helps if that balloon deflates before moving things on through. Also, stimulating certain tubes gets other tubes stimulated as they are connected in such a way that they give us consciousness: best if everythin... |
When suicidal, how can we be determined to kill ourselves, but our body does everything it can to stop us? | Because the human brain is not a single processor, it is a collection of processors. Many of which, or rather, the majority of which are subconscious calculators. A conscious decision that is at odds with the subconscious isn't unnatural, in fact, by the nature of our design, it's the norm.The brain works independently... |
Why is the "shh" sound an international symbol for "Please, be quiet" ? | Once i read it's similar to the sound on the inside of s mother's womb, so it is use to make babies feel safe to make them calm down, it might be bullsh*t tho", 'its called white noise. it is meant to soothe the person. we respond that way because it is the sound we hear inside the womb. |
Fencer Shin A Lam and the timing error at the Olympic Games. | My biggest question .Where was Germany's integrity? Why didn't she refuse advancement upon finding out what the problem was? Germany is as much to blame as the IOC . |
What happens to an uninsured patient with catastrophic injuries in the U.S.? | Couldn't tell you. I recently got in an accident, shattered my arm, needed surgery, and now 15k+ in debt. So yeah, I guess I kinda got off lucky because it could have been way worse for me. But still. /sigh |
Does laying down to rest grant any benefits that are similar to the benefits gained from sleeping? | So a lot of people think that REM sleep is the be all end all for sleep and recovery. It isn't. It is actually the opposite. The greater the ratio of REM sleep to deeper stages of sleep, the less restful the sleep. This is why when you decide to sleep for 12 hours you are still tired when you wake up and why it is best... |
How is it legal that millions of taxpayer dollars are used to fund private industry infrastructure owned by billionaires? I'm talking, of course, about football teams. | what's even better is when a whole city uses eminent domain to kick a whole community out of its way and build a stadium on the mere rumor that they might get a football team. See: Alamodome TIL: if you build it..they might not come |
While my hand is curled into a fist, why is it so hard to raise my ring finger compared to other fingers? | It is has to do with the number and distribution of the muscles responsible for extending your fingers. Here's a drawing *of the back of your hand to help._URL_2_All of your fingers have multiple extensor muscles except for the ring finger, it has to share an extensor muscle that also extends all the fingers. So to jus... |
Why do some people type normally, And Why Do Some People Type Like This? | of", . Maybe People Who Spend a Lot of Time on the Internet See Many Headlines and Adapt This Style? 3. People are just weird and think they're somehow cool/hip/interesting when they do annoying things. I ALSO Hate people who ACCIDENTally hit the cAPS LOCK BUTTON Each time they reACH FOR THE a key |
Why does the US have such a major hatred for drugs? | Lol, the US is not the worst country for drug laws. I'd say Singapore has the worst drug laws for a developed country.One of the reasons is Len Bias. He was a basketball star that overdosed on cocaine right after being drafted into the NBA. His death came as a shock to many people and is one of the reasons we now have ... |
Why are Asian and black people in America called "Asian Americans" and "African Americans," respectively, but white people are not called "European Americans?" | I see a lot of forms and documents that use White/Caucasian/European. It's not used commonly in conversation because it's not considered offensive to simply say white. |
Why aren't small countries without large militaries, like San Marino, Iceland, or Andorra, invaded by larger countries? | There needs to be a good reason to invade a country to justify the expense. Yes, a country may have a larger military and could overwhelm a smaller force, but then there's a small task of running the country afterwards.> why do other countries agree to the alliance Would you rather support Tiny Country A by being their... |
Why does my (android) phone care if i use the original charger? | Think about using a garden hose to fill a bucket of water. Even though the water flowing through the tap can fill the bucket in 20 seconds, the nozzle on the hose slows down the flow and it takes 40 seconds. Similarly the charging cable is the limiting factor, although the convenient nozzle can be bought in different s... |
Why does it seem like men are generally a lot funnier than women? | I think the issue is that what affects men doesn't normally affect women, so men don't find women funny because the issues they face are different . Women either try to appeal to the male audience by becoming 'unfeminine' as you said, or they just don't joke at all. Additionally, in society it's not really encouraged f... |
How does a stethoscope work in amplifying soft noises like a heartbeat without requiring electricity? | It works like a drum. Have you ever goofed around with a base drum or some timpani? The softest tap on a large drum gets amplified a lot, except instead of a barrel or a kettle on the bottom there's hollow tubes that run directly to your ears. |
The mentality of people who own mostly/all designer clothing. | The majority of people into fashion are not about the label. In fact, it is the opposite. I don't wear clothing that has a logo. You would never know that I'm wearing a $280 sweatshirt. It's about the fit, fabric and construction. I believe it is really a purely subjective thing and I've found, having encountered high-... |
Why do obese people starve to death before they are super skinny? Why the body doesn't use that fat energy? | Your fat is nothing but an energy reserve. It's calories to sustain you for short periods of time, when you don't get enough calories to support your activity levels. How far will your car get, with a full tank of gas, but no battery, spark plus, or air in the tires? Your body needs more than just energy to survive.The... |
Why don't they make contact lenses that act as sun glasses? Is it possible? | I was watching the special features on one of the DVDs and Johnny Depp wore tinted contacts during filming Pirates of the Caribbean so that he wasn't squinting every shot so they make them. |
What's the reason for "Try again in two minutes" (etc) for phone passwords? | It prevents someone from brute forcing your passcode. If you could try immediately and infinitely, it wouldn't take nearly as much time / effort to just try every possible combination. |
How do our brains know when to wake up? What keeps us from just staying asleep forever until something disturbs us? | Under normal circumstances your need to sleep builds up over the course of your waking day, and sleeping fulfills that need over the course of your sleep cycle. Compare it to how your body filling your bladder with waste fluids builds your need to urinate. Urinating empties your bladder and relieves the need. You won't... |
Why do we have only one system of time? | [This] radio documentary possibly doesn't answer your question directly but it does go into how and why we measure time in the way we now do. It's been a little while since i listened but remember finding it pretty interesting. |
In movies if you use a companies product you need their permission or blur it out. Why is it not a problem for music? | > eating kraft mac and cheese to get more energy to bang on more fools. That's gold right there |
How/can you feel when people are staring at you? | It's a combination of your peripheral vision and confirmation bias.You are have a great angle of vision, you might not see them directly, but your brain can process everything from your eyes, thus, he sees someone and alerts you about themI'm not sure of any scientific evidence behind this but is based off of what I 'v... |
Could a star orbit a planet? | If a star were to orbit a planet, the planet would have to be substantially more massive than the star, so it would probably undergo it's own sustained nuclear fusion and become a star itself |
Why does scratching my back relieve an itch but having someone else scratch it make it damn near orgasmic? | No dude I'm the same way. My mom's been doing that for me since I was a small dude. It feels SO damn good. Ha |
If hair are dead cells then how does shampoos and/or conditioners 'repair' it? | They don't at all. Just coats your hair in stuff that feels nice. 'Straightening' stuff coats it in stuff that slams the cuticle shut, 'volume' just fills in between the cuticles, if you continue using the product it'll make your hair feel better but obv if you stop using the product it'll just wash out.I studied this ... |
Why did computer cases and monitors change from being beige/white to being black? | For one, a black bezel is much better for video watching that a white bezel. Secondly, because almost all tech is black, because it's sleek. Game consoles are black, most remotes are black, most cable boxes are black, most speakers are black, etc.My guess is because white/beige plastic often oxidizes, leaving a yellow,... |
why is it not discrimination to ask to see a Doctor of a particular gender but it is for other things? | This is a loaded question so it's been removed. Discriminating means differentiating. So you are discriminating when you do that as well. |
Why are cancer patients (regardless of the type of cancer) always advised not to expose themselves to the sun? | Many of the agents used in chemo increase sensitivity to light. In addition, chemo can reduce the body's ability to heal. As such, many cancer patients are at increased risk of sun damage & their bodies are less prepared to fight off infection, so avoiding the sun is advisable. |
Why aren't we hungry anymore if we get anxious about something? | Why aren't we hungry when focusing on something? I am focused usually on work or gaming or a movie etc Could that also be fight or flight? |
What is the difference between Cable TV and Cable Internet? Why doesn't TV ever need to stop and load like streaming services? | It's because the internet is server-based and it takes more to get things done. When you try to connect to a website or service, your request first has to find it's way to the proper location. Once it's reached the appropriate server, the server has to process the request and send you back what you're supposed to get, ... |
If Congress refuses to allow a new Supreme Court Justice to be appointed, can the Supreme Court still function? Could anything be done to force them to accept someone? | It's not shut down. There are normally 9 justices. In order to overrule a decision from the lower courts you need 5 justices to agree. If you are down to 8 justices you still need 5 justices to agree. The catch is there is more of a chance that you'll get to that 5th judge if you only have 8 justices. Additionally, you... |
Why do I.V. bags have that little drip thing instead of connecting directly from bag to tube to patient? | Fun fact, when I was in the hospital a few years ago, the nurse made an error on my IV bag. She set it to 120 or something high and I had to pee an entire bladder out every hour and 30 minutes. We're talking almost 2 minutes of straight peeing at a pretty respectable force. While peeing like that felt awesome, it also ... |
How is it possible that data doesn't weigh anything? | You aren't adding anything or taking anything away when you delete things. All a computer does is change the current state of something, almost like millions of little switches that are either on or off. if it is flipped off, it doesn't magically start weighing less.I stole this: "higher information content correlates ... |
Why do athletes get drug tested for recreational/non-performance enhancing drugs (weed, etc.)? | Because even though sports league's do not have police departments and a system of courts they are held to outrageously high standards in the court of public opinion when an athlete breaks the law in their private life. Look at the Ray Rice situation. He was let go by a police department working in consultation with th... |
Why do humans have to wipe after they poop when practically every other animal does not need to? | We don't HAVE to. We just really prefer to.Being subscribed to /r/shittyaskscience and /r/eli5, this post confused me.In addition to the squatting thing, it's the fact that animals other than primates don't have butt cheeks. |
What are the tiny little dots in your vision that you see when you stare at a solid colour? | There are little motes that naturally float around in human eyes; they're especially easy to see when you stare at white walls. They're harmless and I do not know where they come from. |
Why do images of computer screens show weird patterns when you zoom them in and out? | In addition to the Moire pattern, as mentioned in another comment, the refresh rate of the screen can also distort images and produce effects similar to your picture. Basically, the screen constantly refreshes all of its pixels at a rate faster than is detectable by the human eye. However, if your camera's shutter spee... |
How do we get diarrhea, and why is all liquidy?? | Best answer that I've ever seen to this subject was given by u/jiggity_gee in a similar question _URL_0_", 'There are some reasons why we get diarrhea, but they all get down to having too much water in your feces. In the small intestine your poo is like a liquid, and most of the nutrients are being absorbed. When it co... |
Is there any signs for another major economic recession in the next couple of years? | We might be looking at an educational bubble in US pretty soon. We have a lot of people who took huge loans to get higher education, thinking they will graduate and make $60k a year right away. Instead, a lot of people do not finish school or can't find a job after graduation, therefore defaulting on their loans |
Why do we forget the moment we fall asleep? | There's a process that your brain has to do to transfer short term memory to long term memory. Once you're asleep the part that does that has shut down for the night, and thus the memory of falling asleep never makes it out of short term. |
How do radio stations know how many people listen to them? | Nielsen, one of the largest media research companies out there, determines a stations ratings through the use of it's Portable People Meter, or PPM. The PPM is worn by people who are paid by Nielsen to do so and it detects hidden audio tones in a station or network's audio stream and then logs each time it detects such... |
Why don't wireless signals, like text messages, hit in midair and mess each other up? | To understand what's going on, you need to have some background on what radio is. Radio waves are a specific type of 'electromagnetic radiation' - which is the same thing as light, or xrays, or gamma rays, or infrared light, or ultraviolet light, or microwaves, among others. All of these things are all photons, they ar... |
Why does insulation work? | > Why is it not cheaper in the long run to buy lots of good insulation in the hopes of saving on fuel required to restore the temperature to the desired level? It *is* cheaper in the long run to have a properly thermally insulated house. In Germany, all newly built houses are required by law to have double-glass window... |
Whats wrong with the statement "you shouldn't mind if you've got nothing to hide" (in terms of internet privacy?) | There's a difference between having something to hide and wanting to be private. You wouldn't other people to read your emails or texts to your partner, for example, and that's a question of privacy rather than having something to hide. |
How do parrots form words without lips? | A speaker doesn't have lips but is able to emulate speech pretty well. They're not really saying a word, they're replicating the sound. |
If I were to travel back in time to with a standard modern day laptop and they dissected it, how accurately could they recreate the technology, if at all? | _URL_0_ _URL_1_ They'd have an idea of what it was, depending on who you showed it to. The first silicon transistor was made in 1954; PCBs were used in WWII for proximity fuses for shells. |
How are the olympics still going forward with all the issues they're facing? Is an almost certain outbreak of Zika not enough to put a halt to them? | There's too much money at stake for the event to be cancelled or even delayed. You have people who have bought tickets in advanced and already set up travel plans which are not easy to change if at all. You have nation wide event plans which are date specific which were drawn up probably well over a year ago. You also ... |
If we do not need our appendix, why do we not have it removed early on in our lives to prevent the possibility of appendicitis? | There's a difference between unnecessary and not useful. You don't need your legs to live but you'd hardly say they're useless. There is scientific evidence that the apendix is extremely useful in the 'gut' or digestive 'micro-biome' |
Why is suicide considered sinful in most religions? | I'm an atheist who worked as an archaeologist and was anthropologically educated. I would say that ALL religions the world has known and will know are important and should be viewed both casually and critically. An easy example of critical examination of religion is a common one that Americans might be familiar with: T... |
How does this investment chart make sense? Arthur constantly adds money to his, while Ben added for like eight years. | You've missed the point worrying about the specifics here. :) By starting eight years earlier and *only* putting in 16k total, Ben ends up with more money than Arthur who puts in 78,000 and starts only eight years later than Ben. FWIW, that chart assumes an interest rate of 12%, **really** optimisic - But the bigger po... |
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