Subset (10)

eli5 · 25k rows

Split (1)

train · 25k rows

query stringlengths 20 300	positive listlengths 1 1	negative listlengths 1 1
I'm reading conflicting statements. What's best for a laptop's battery? Leaving it plugged in, constantly draining the battery, taking the battery out while plugged in, etc. There has to be a scientific answer instead of all this guesswork.	[ "A general answer: Li-ion batteries lose capacity depending on temperature. So keep your battery cool (and dry) to preserve its life. If your battery is 100% charged, the loss of capacity is larger than at 50% charge, so in general, don't store your battery at 100%, and don't leave it charging while at 100% and in ...	[ "Anything that extracts energy from the environment will have some consequences. The goal is to minimize these consequences, not to pretend there are zero. The consequences of fossil fuels are much, much worse." ]
how do child prodigy's and really smart children manage to bypass our education system and graduate university earlier than normal? The legal working age is usually 16 in most places in the UK, so how do these kids often get jobs earlier too?	[ "Most don't allow kids in until they reach 10th grade (which is the same grade that most people complete during the year they turn 16 making them eligible to take the GED). The very earliest programs (Mary Baldwin and University of Washington) allow student entry at 12 and 13, but that would have the students grad...	[ "Growing seasons are different in different parts of the world. Different crops take differing times to mature, and like different climates. These together mean that food can be produced at a variety of times. If you have a 180 day growing season, and a crop with a growth time of 60 days (e.g. Spinach) you can get ...
Electric field inside a speric shell with non uniform charge density- how does it comply with Gauss's Law?	[ "> from gauss's law- if theres no charge inside a Gaussian surface, then there is no field! That is not what Gauss's law says. It says that the total flux of *E* is zero through a surface that contains no charge. That's exactly what a uniform field is doing. Flux in = flux out." ]	[ "The maximum amount of entropy within a unit of space depends not on the volume of the space as you would expect, but on the surface area of the space. the universe can hold far less information per unit space than would otherwise would be expected." ]
How likely is it that any given rock or boulder I find in my backyard came from space during the creation of the Earth, as opposed to being formed in a volcano or in the subsurface mantle some millennia later?	[ "Extremely unlikely. Earth is a geologically active planet. This means that new rocks are constantly beeing produced through various processes (vulcanism, sedimentation, metamorphism, etc) just as older rocks are constantly beeing destroyed and recycled though another set of processes (erosion, subduction, anatexis...	[ "When launching 'laterally,' as you call it, the planet's motion contributes to the motion of the vehicle. This applies to both the orbit around the sun and the orbit around the earth. Hence, launching from the equator give the craft a little extra velocity with which to make orbit. Similarly, when moving outward i...
What is Quantum Field Theory?	[ "This had just popped up on the front page a few days ago, take a look at the explanation by [Sean Carroll](_URL_0_). He answers the question very basically there, though if you watch the entire lecture he goes into further detail." ]	[ "_URL_0_ The wikipedia article is excellent and better than any of the answers in here so far. If you have specific parts you don't understand, ask away and I can help explain them to you." ]
Global Warming and Science vs Media. Sometimes this war can cause a skewed pool of facts. I want to learn about Global Warming but I don't want the bullshit. Can you help?	[ "That's quite a big topic. The [IPCC](_URL_0_) would be a good place to start; there are reports that cover most of those questions." ]	[ "Well one way is by selected specific people for your study. The studied that showed evidence that vaccines caused autism actually dropped people from the study who had children not become autistic, found children who had family history of autism to include in the study, and kept the numbers small. Another way coul...
If i fart, do I weigh more or less? My body is serving as a container for a gas that is lighter than air, so I should weigh more, right?	[ "You weigh more with the fart inside you, but by displacement (buoyancy) there is a greater force acting down on you after you have farted. Instead of a human and a fart, think of a submarine and a lighter than water liquid." ]	[ "Explained very simply, think of it as a toothpaste tube. If you squeeze it, it will come out from the other end regardless of gravity. It might not drop as easily and might get stuck on the end of the tube, but it will come out nonetheless. Explained with a bit more Science, your gut actually has waves of small co...
Does memory/thoughts get stored in our brain, comparably to how data get stored on a harddrive?	[ "No. Think of how much memories you store in your brain, and how that compares to your hard disk. Not even close. At the core, a hard disk stores info in 1s and 0s. Sequences of 1s and 0s make up all the data on your hard drive. At a more mechanical level, a typical hard disk has spinning disks with many bumps on i...	[ "From [visual tim]( _URL_0_) I don't see why hummingbirds wouldn't operate faster. The hummingbird's metabolism is what fuels their high speed, and their nutrient rich diet supports it. If their nervous system can perform at such high speeds, it stands to reason their brain could. I wasn't going to mention this wit...
What is the evidence that exercise increases longevity?	[ "> Moderate and high physical activity levels led to 1.3 and 3.7 years more in total life expectancy and 1.1 and 3.2 more years lived without cardiovascular disease, respectively, for men aged 50 years or older compared with those who maintained a low physical activity level. For women the differences were 1.5 and ...	[ "Everything /u/snarkinturtle said is correct, but it doesn't directly answer your question. > A systematic comparison to other population groups shows that in relation to the population size and in relation to the general bioscientific reference to this group, Jews are over-represented in human genetic literature,...
If it were possible to reach the center of the earth, how hard would it be to fight gravity and make it back up to the surface?	[ "The deeper you are the less gravity you would feel, as only that below you pulls you down, while that above pulls you up and even cancels some of the downward pull. In the center you have an equal amount pulling up as down so there is no gravity. TLDR: It would be easy at the center and get harder as you go up un...	[ "Falling with Style. With much practice, our eyes and inner-ears work together to provide the brain with information. We aren't aware that this is going on, but fun house spinning tunnels mess with our eyes and spinning around really fast messes with our inner ears, both making walking difficult. We don't \"think a...
Announcing the 'Best of May' Awardees!	[ "Wow. I... wow. I don't know what to say. Thank you so much! I really enjoyed writing that response, and I'm glad people enjoyed reading it! :)" ]	[ "Just asked this in the other sticky, but maybe this is the better place for it: Does anyone have any good book recommendations about the Nigerian Civil War or about Biafra as a country?" ]
Why does the Japanese Imperial family not have a last name?	[ "Fun fact: the current emperor of Japan published a paper in Science in 1992 ([link here](_URL_1_)—requires subscription; doi:10.1126/science.1411568): the article, which is about early Japanese scientists, is signed \"Akihito\", and there is a little biographical footnote that says: \"Akihito. His Majesty the Em...	[ "Since Google can see what links you click on from their page, their system can notice that searching \"Asa Akira\" (nice choice BTW) tends to lead to pornographic sites. Using this information, they'll decide that the term indicates a desire for pornography and they won't put it in auto-complete. It's fine if you ...
How does lightning "know" the path of least resistance before it strikes?	[ "It doesn't. It forks many times with the path that makes the connection with the ground sending the bulk of the energy through. Here's a high-speed camera of one forming: _URL_0_" ]	[ "Elektricity is lazy and always takes thé shortest route back. Meaning from pin 1 of the taser to pin 2 of the taser" ]
Why do cars with a low gear ratio have faster acceleration and how would a lower geared car handle different at highway speed?	[ "Internal combustion engines generate more power at higher RPM. The Transmission turns the very high RPM of the engine into the relatively low RPM of the wheels. The lower your gearing is, it means less wheel RPM per engine RPM, which in turn means more power at lower speed, and thus more accelleration. The drawbac...	[ "The rate at which a human brain processes information is not constant. It changes based on a number of factors. When you feel a sudden threat, your body releases hormones that trigger a change in the rate at which your brain can process information. If your brain is processing information more quickly, your percep...
Why does being molested as a child trigger so many predictable negative behaviors later in life?	[ "Abuse of any kind can and does affect the developing brain. It doesn't affect daily ability, (your ability to complete your tasks or think per se) but it is a change visible on MRI. They're learning more about this all the time. They've also found people attacked as children have higher rates of autonomic response...	[ "Basically, the nukes we dropped on Hiroshima and Nagasaki were very small nukes (compared to what we have at our disposal today) and, while they DID cause radioactive fallout, they caused a (relatively) small amount of it, and it is no longer dangerous to live there - but it WAS dangerous for many years after the ...
Would it be possible to have a planet (possibly gaseous) with an entirely flammable atmosphere?	[ "You'd agree that the Hindenburg with its hydrogen was very flammable. Similarly Jupiter is composed of about 90% hydrogen. So, yes, Jupiter is flammable... Except, since there is practically no oxygen, the hydrogen can't burn." ]	[ "If you do it with a platinum catalyst you can, or by heating it up to the point that they hydrogen burns in the presence of the oxygen. There is a chemical reaction that takes place, it creates a bond between the hydrogens and the oxygens. To make that bond you need a bit of extra energy to push them together enou...
Why can't we see Andromeda galaxy with our naked eyes?	[ "You actually can see it with the naked eye if you're in a dark spot. But it also has much lower surface brightness than the moon, so it doesn't appear nearly as bright, due to distance and intervening visual blocks." ]	[ "> you can (you can, right?) listen to them. Mostly, no, you cannot. The calculations used to determine if you are able to receive a signal are called a [\"link budget\"](_URL_0_). If you plug in the numbers, you'll find that to receive commercial transmissions from the earth at the distance of the nearest stars, y...
What is the difference between the AR-15, the M-16, and the M-4?	[ "They're similar, but the ELI5 answer is the AR-15 is strictly semi-auto (one round per trigger squeeze), the M-16 has a three-round burst selection, and the M4 is the M-16 but with a shorter barrel and collapsible butt stock (sacrificing some accuracy for easier use in urban environments)." ]	[ "Uk Language? Pills will get you proper munted. Like out yer bonce. It'll make you think chubbers are buff and pull shapes all night. Draw makes you want to cotch. Then you get bare munch and need to smash a mint Aero and Potnoodle, maybe a maccie d's. Chang will make you Brap." ]
When I stare at patterned wallpaper or curtains my mind tends to turn them into faces, is this an explainable thing ?	[ "It is called Pareidolia. Basically our brains are so primed to see faces, we will also see faces in random patterns." ]	[ "These are called [moire interference patterns](_URL_0_) and are caused by non-uniformly sampling the grid of pixels on the screen. In computer graphics, we use [mipmaps](_URL_1_) to combat this." ]
How do we know there is a cure for cancer?	[ "What you hear is misleading advertising. Scientists are pretty sure there is no one cure for cancer, because there are so many different kinds." ]	[ "A few things to realize before trying to draw conclusions like this: * Science is an evolving process that doesn't end with a single study. One study's results could be refined or contradicted by other studies, and it takes multiple iterations to suss out the truth. * Science journalism is terrible. University PR ...
LED Lighting: If I am installing recessed lighting, is it more efficient to have 4 lights at 50% dim or 2 lights at 100%?	[ "This doesn't really answer your question, but if you install 2 lights at 100 percent, you can not ever turn them brighter if you wanted to. If you install 4 at 50 percent, that gives you the option to later turn them up more of you want to. Tldr: Maybe you will need a brighter light in the future install 4." ]	[ "You can simulate color vision by wearing a tinted lens in one eye and a differently tinted lens or no lens in the the other eye. For example, a red lens in the left eye and a green lens in the right eye. If you look at a grey object, it will appear equally bright to both eyes. If you look at a red object, it wil...
If cancer metastasizes into other areas of the body, is it no longer referred to as the cancer connected to the organ in which it originated?	[ "If a patient has lung cancer that has spread to the brain, we would call this \"lung cancer with metastatic progression to the brain.\" There are a few other terms as well - \"oligometastatic\" is a patient with only one metastatic lesion, \"widely metastatic\" is a patient with widespread disease. Colloquially, t...	[ "If a British monarch were to give birth abroad, they would most likely have declared whatever place she was to give birth in as part of \"international territory\". By doing so, the baby would be granted whatever citizenship the mother had. This happened in Canada for the birth of Princess Margaret of the Netherla...
Can a solution have zero transmittance or complete absorbance?	[ "Not 100% sure but it sounds like your solution may have been too concentrated. Only a tiny fraction of the light was getting though. So not 0% transmittance, but 0.01% transmittance. When it's that low you are getting into the shot-noise limits of the electronics and it will return an error message rather than giv...	[ "one does. you just don't see it coz transparent liquid + transparent liquid = transparent liquid." ]
Why do people have terrifying hallucinations when they have sleep paralysis.	[ "The brain is constantly searching for explanations for unknown events. Imagining danger is one of its first fallbacks, because the penalty for it actually being danger is so high. With sleep paralysis the brain must explain why it can't move the body, and panics by imagining the only circumstances it has an experi...	[ "TL;DR: Power. A big part of our social structure is based on one person having power over other people. Most of us either want to lead, are jealous of the leader, or understand we're not the right person to be that leader. We see this in a lot of other animals like horses and sheep. The large-and-in-charge 'st...
Why can I choose my electric provider but not my cable provider?	[ "A long time in ago, in the far off time known as the 1990s laws existed that prevented media companies from owning too many outlets in a specific market. So a radio owner couldn't own all of the radio channels and the TV station and the newspaper. The FCC regulates cable companies and had for decades prevented the...	[ "Taxis have been under an immense amount of regulation. There were restrictions on how much they could charge, restrictions on how many taxis are allowed, and so on. Taxi medallions in New York (essentially a piece of paper giving you the right to operate a taxi) were going for over a million dollars. Uber and Lyft...
if homosexuality is a genetic trait, why hasn't it died out?	[ "A quick search brought up [this fascinating article](_URL_0_) arguing that not only would Homosexuality not be selected agasint, my may actually be selected FOR. > This fact opens up a genetic conflict of interest between the sexes. Why? Because a gene that is harmful to male reproduction can be retained by natur...	[ "To simplify by analogy: Think of level of obesity like the amount of water in a bucket. What determines how much water is in a bucket? The size of the bucket, or the amount of water that was poured into it? The answer, of course, is both. Big buckets can hold more water than small buckets, but if you pour only a l...
Is tea a suspension or a solution?	[ "It's a solution in most regards, but a suspension in others, so it's both. Solution: Caffeine and other water soluble compounds Suspension: Little bits of tea leaves and other insoluble matter." ]	[ "one does. you just don't see it coz transparent liquid + transparent liquid = transparent liquid." ]
[Physics] Would anything occur if a positron was forced to collide with a proton?	[ "A positron and a proton would not annihilate each other. Annihilation only occurs between a particle and its own variety of antiparticle. The final state would have electric charge +2, lepton number -1, and baryon number +1. The latter two statements mean that in the final state, there will be one more antilepton ...	[ "You get a super position of waves. The waves would add up. Where the 2 peaks align, you would get a wave twice as high (assuming equal waves), where a peak meets a trough, you would get no wave. As they parted, you the waves would look unchanged. This can lead to some freak waves, where a large number of tiny wave...
why can you move one eye inward independently but not outward?	[ "\"Moving one eye inward\" uses the same movements as focusing on a point very close in front of one eye. You don't actually need to move your eyes \"independently\" to do this; so long as the focal point is in front of one of them, that eye will appear not to move, but it can still be tracking a point together wit...	[ "It's called your nasal cycle. Every several minutes to every few hours your body closes one nostril and opens the other. There are several interesting reasons for this from aiding in filtering to helping your sense of smell. Here's a Wikipedia article about it: _URL_0_" ]
Why are humans (and some non-human primates) the only ones to experience menstruation?	[ "A reproductive cycle occurs in all female creatures, but it varies in length and in particular details. What you are thinking of is a monthly cycle, which is exemplified in humans. Humans have a monthly cycle because it is advantageous in humans to be able to reproduce at any time of year. In many mammals, the cyc...	[ "Physically developing we are close to a bobcat or other animals in terms of lifespan. We have a much, much more complex world than any other animal does though. We have to eat that play-doh and stick that key in the electric socket to learn that we want to be a philosophy major or an architect. Bobcats can't build...
Dr. Robin Carhart-Harris from Imperial College London Is our Guest on LondonReal today Any QUESTIONS FOR HIM?? Holla	[ "Have they found a specific dose to be most effective? Single treatment vs. multiple treatments? Temporary like a couple months or longer lasting effects like years in the removal of depression?" ]	[ "So, I don't know if you know this, but Blackstone did just what you are suggesting. After the housing crash of 2009, they went out and bought up homes in different cities. They put them all under the umbrella of a REIT (real estate investment trust) called \"Invitation Homes\" and then spun it out in an IPO a few...
Why, especially in sports, do people put their hands on their heads when disappointed or upset?	[ "When training you are often taught to place your hands on your head to help recover and catch your breath after vigorous activity. It promotes stretching of the chest allowing full inflation of the lungs to speed up recovery. Combine this with a player experiencing disappointment and you have someone suddenly not...	[ "For a four-four time signature, the conductor moves his baton down on beat one, to his left for beat two, to his right for beat three, then up for beat four. (Think six o'clock , nine o'clock, three o'clock , noon) Other time signatures have similar motions, but beat one (the down-beat) is always at the bottom of ...
Where does the "Redneck" and "Hillybilly" culture of America come from? I am a white dude from the mountains of South Western Virginia and I am curious about my people.	[ "While these aren't the same as your question, the following threads may be interesting: _URL_1_ _URL_0_" ]	[ "Just my own interpretation of it but marrying cousins is usually accepted or encouraged in cultures that still place a high value on class systems, like many eastern countries do - India in particular. Keeps the bloodline as pure as possible etc (despite the increased risk of birth deformities, but whatever). Most...
How in the world does 164 megabytes come out of a 71.5 megabyte zipped file?	[ "Think of it like this: everything is coded in binary. So a file could contain 1000 bits in a row that were all 0. That can be compressed to something that instead says \"there are 1000 0's here\", which takes fewer bytes. It's a bit more complicated but that's the essence of it." ]	[ "Think of it as asking \"How can a push-mower and a riding mower have different speeds? They're both mowing the same amount of lawn.\" They're not saying the data is faster or slower. They're saying the browser processes the data faster. That is, it can render the web page you're viewing faster and possibly wit...
Voter ID Laws in the US	[ "You need to register firstly. And to do that you need a Social Security number, which you do not have as a non-citizen. You need a valid driver's license/state ID of the state you intend to vote in. That's how it is in my state; it may differ in other states. People are worried that voter fraud could rig an elect...	[ "This CGP Grey video does a really good job of explaining it all. _URL_3_" ]
This prediction video—it outsmarted me. Is it possible to win?	[ "Imagine those squares are black and white in a checkerboard pattern. Each legal move- up or down, left or right, but not diagonal- changes the color you're on. So if the host knows you started on a black square and moved twice, he can remove a white square from the board, because you must be on a black one. From...	[ "They usually provide, in the very small print, a second way to enter, such as by mailing them a post card. Clearly they'd prefer you buy the product. :-)" ]
Why do computers make sound when processing something?	[ "It's the hard drive. Inside that rectangular box is a set of spinning platters and a read/write head that looks something like the arm on an old record player (ask your parents ;) ). That read/write head moves back and forth very rapidly as it accesses data that's stored on the spinning platter. As it does, it mak...	[ "Imma answer your question, but first let me tell you about this time I watered the lawn on a warm july afternoon, there were clouds in the sky and childrens laughter.... ok seriously, who knows, maybe they just like to hear themselves type, or create an emotional connection to the recipe, perhaps they are just kil...
Why does an instrument sound so bad when it's not tuned but when people talk without being in any sort of key it sounds fine?	[ "When people talk their voices are modulating through a range of tones for very short periods of time. Get a lot of people talking and you get short tones at random frequencies; this is very similar to white noise, so our minds don't really assign any tone to the human voice at all. But get people singing, where ...	[ "Imagine you had several separate stereos that each played one element of a song; One stereo for the lead vocals, another for the bass, another for the keyboard, etc. In that scenario, you could adjust the volume and equalizer of each stereo separately, turn them on and off at will, change the timing of when each e...
How do some foods "melt in your mouth"?	[ "Well \"melting\" via the heat of the food or your mouth causes some of the solid matter like lipids and proteins to desynthesize. But your saliva also breaks down carbs in your mouth through enzyme activity, making them more liquid like and therefore easier to absorb." ]	[ "Because there are points of the earth where the crust is going back into the mantle and being remelted. It's called subduction. [_URL_0_](_URL_0_)" ]
Why does basically no one speak Latin anymore even though it is used in many popular countries?	[ "It is a very slow language with very complex grammar that isn't very intuitive. The sheer amount of declensions, verb tenses, gender words, and verb forms are staggering, and makes for a very cumbersome, formal language. The trend for languages is to become less formal over time, which is probably one of the majo...	[ "A couple factors: Age, Location, history * Age: Rome was founded almost 3000 years ago. The colosseum was built almost 2000 years ago. In that time materials physically fail (wood rots, concrete erodes). People also broke roman structures down for materials from time to time * Location: Rome...
Why don't modern fighter aircraft have weapons systems that lock and shoot backwards to destroy a tailing enemy?	[ "they do - AIM-9x the new helmet system allows them to lock on whatever they look at and the missile itself can negotiate 180 degree turns mid-air due to adding controlled wings and fins... the original AIM-9 missile had front canards that would allows it to steer, the 9x rear fins can now move source: I'm a weapon...	[ "Yes, the transiting planet should more or less pass between the our telescopes and the star, which of course is a limitation. There are some alternatives that do not require the planet's plane to intersect our line of sight, such as Astrometry. It involves measuring the wobble of the star as the planet orbits aro...
How the holy trinity works. Which bit of it is God? If they're all God is Christianity polytheistic?	[ "\"I am he as you are he as you are me as we are all together\"? Oh wait, The Beatles are greater than God." ]	[ "the internet is just a collection of millions of computers. your computer is part of the internet. your neighbor's computer is part of the internet. my computer is part of the internet. reddit's computer is part of the internet. by you using your computer to send data to reddit's computer, i am able to use my...
Why the smoke curling off the tip of the cigarette is blue, but when you smoke the color of smoke is white?	[ "It has to do with the lungs adding water vapor / stuff to the smoke which affects its Rayleigh scattering. Walter Lewin has a nice demonstration/explanation of this in one of his MIT lectures. [_URL_0_](_URL_0_). (the smoking starts at about 3:30)." ]	[ "As /u/Arpikarhu says, it's a mirage. /u/LondonPilot used this explanation in a previous answer: When it's very hot, the ground gets heated by the sun. The ground then heats the layer of air closest to it, by conduction. Given time, the hot air will rise - but initially, the air near the ground is hotter. Light fro...
What happens when a citizen helps the police?	[ "They don't want to incentivize interfering in police actions. What you're supposed to do is GTFO of the way. That person could have gotten killed, or killed the criminal and the police aren't looking to have blood on their hands due to a car chase. The city definitely isn't giving you a new car because you interfe...	[ "The supreme court had previously held that making private copies available for use by others was legal in Canada (see BMG vs. John Doe). As such, there was no legal copyright infringement that copyright holders could use as leverage to get (the subpoenas required to get) ISPs to disclose the identities of the file...
Photography terms - aperture, shutter speed, ISO, SLR	[ "_URL_0_ I'm not sure how much this helps, but it covers quite a bit of the basics." ]	[ "from _URL_0_ \"An increasing number of lit NSL roads (for example the A556 between the M6 Junction 19 and Lostock near Northwich), are now being given \"60\" or \"70\" repeaters rather than NSL ones. Presumably the thinking is that this makes the speed limit clearer, as there is evidence that the NSL is not proper...
Muscular tone. Why do muscles get harder? How? Why do they get 'soft' faster than they get hard. What's the difference with muscular mass?	[ "The fibers aren't really getting \"tougher\" they are getting larger. Muscle fibers are composed of smaller structures called myofilaments (primarily actin and myosin). It is the creation of more myofilaments which causes muscle growth or what we in science call hypertrophy. When you exercise, you damage the pro...	[ "Yer not alone in askin', and kind strangers have explained: 1. [ELI5: Whistling ](_URL_6_) 1. [ELI5: How does whistling work? And how is it different from blowing? ](_URL_0_) 1. [ELI5: How does whistling work? (Wind/air pressure to sound with whistles, bottles, or lips.) ](_URL_4_) 1. [ELI5:How does whistling work...
How do indoor shooting range backstops work?	[ "I was going to write out a long post on this, but it turns out someone has done it before me and even has pretty pictures. [Here is a good rundown of indoor range backstop options in a PDF.](_URL_0_) The two basic approaches are angled barriers that deflect bullets into a catchment area, or soft materials like san...	[ "This is a more scientific answer than it sounds: it's all in your head. Try having a friend hold a pen there randomly half of the time. You guess when it's there, the more you guess the closer to chance you should get." ]
What is the academic reasoning behind believing we live in a simulation?	[ "IMHO, (layman here) is that there is not a \"belief\" that we live in a simulation. It is a philosophical position that we cannot rule out by our reasoning that we are not living in a simulation. There is nothing we know of (by observation or reasoning) that contradicts this position. This does not imply belief or...	[ "Before I answer, may I ask who the speaker is for this particular lecture? Or if you have a link for me to listen to? I would like to know where they are coming from in their argument." ]
How come water is white when it is moving, but clear when it is still?	[ "Air bubbles get trapped in the water and light reflects off them making the water appear white. The same concept is used when making most white hard candies. They pull the sugar on a hook or machine to trap air bubbles in the amber colored sugar making the candy appear white." ]	[ "I hate that this question is downvoted so much. C'mon people, why are we punishing people for asking questions? Whatever happened to \"there's no such thing as a dumb question?\" awersF, please keep asking questions about the world around you. Discoveries are made because people question their perceptions establis...
[Biology] Is it possible to change one's blood type?	[ "There is at least one known case of someone changing blood types after a liver transplant. In Australia, a 9-year-old girl had a liver transplant after her liver failed. Stem cells from that liver then infiltrated her bone marrow and basically replaced her immune system. [source](_URL_0_)" ]	[ "Well, there is very little data on this for obvious reasons. However the story of Genie* is one modern case of this happening. Reading about that is probably the most information you'll find on the subject. *_URL_0_" ]
Did dinosaurs evolve into birds because flight became necessary?	[ "The statement \"dinosaurs evolved into birds\" is very misleading. It's kind of like saying \"mammals evolved into whales\". It's better to think of it this way. Birds are dinosaurs. They are the one group of dinosaurs that survived the KT extinction event. All the dinosaurs you know of (T-Rex etc.) have no liv...	[ "Your asking essentially the chicken or the egg. Example, Did you stomach evolove first and create your brain and extremites to feed it. Or did your brain grow your stomach to power it. Har to say, as without something to feed the stomach, we would have no stomch. Without the brain to run everything, we wouldn't ha...
why plants leaves are green and not another more absorbent amalgamation of colors(generally)	[ "There are different type of factors that determine what color plant leaves are. There is chlorophyll, carotenoids, anthocyanins, and tannins that pretty much determine the color. The fact that leaves are mostly green is because the chlorophyll is the more predominant substance and masks the others. Although in th...	[ "All animals do, at least. Organisms that are autotrophic, or producers, take in c02 and expel 02 as a waste product of photosynthesis. The major autotrophs are plants and cyanobacteria. This is what is meant when you hear the expression \"plants make oxygen.\"" ]
How people who communicate in sign language raise babies that can communicate verbally	[ "By trying very hard, and by using an outside coach (usually through school). Children born to deaf parents are actually known to struggle when learning verbal communication, mostly because sign is their first language and English (or whatever) is their second language. It's difficult to raise a bilingual child whe...	[ "My uneducated first thought: because they're breathing liquid, and can't make the sound yet. I believe the voicebox doesn't work unless there's air passing through your breathing passages." ]
Why is alimony paid for people without kids?	[ "If one of the partners was not working, it is assumed that they were bringing other things to the marriage (keeping up the house, cooking, yard work, entertaining, etc.), and that these things were a benefit to the working spouse in his or her career. Alimony gives the non-employed spouse a financial safety net t...	[ "They don't. It's a marketing ~~lie~~ gimmick. I used to work for a company that did a similar thing by mail. New customers were supposed to sign up by a certain time for special rates but as a specific matter of policy we'd give those rates to anyone who mailed back the special offer." ]
Why the temperature of my place is lower than the outside temperature when it's cold and higher than the outside temperature when it's hot outside?	[ "To start, a hot place, will only ever transfer heat to a cold place. You wouldn't put your hand in a kettle and the kettle get hotter and your hand get colder, your hand would get hotter as the waters heat is transferred to your hand. SO! Your flat is hot, but outside is hotter, it heats up your house and then th...	[ "Expanding gas cools its surrounding. Condensing gas to a liquid heats up the surroundings. A/C exploits this property by condensing gas outside your home (in a condenser) using a pump to carry heat from the inside. Heat is collected inside your home in an evaporator. The evaporator is where the liquid turns int...
Why can't you open a legal brothel by filming it as a porno?	[ "Most people who want to use the services of a prostitute want to pay her/him, have sex, and then be done with it. They don't want to go through the STD testing, signing the waivers, and having their face in a video that will go all over the internet having sex with a porn star/prostitute." ]	[ "Often those organizations (soup kitchens) have food and quality standards to uphold legislated by the state. The food they serve must be unopened and/or sealed." ]
Why universe is not a black hole?	[ "First to form a black hole, you need to collapse in on a central point. The universe cannot have such a central point because it is homogeneous and isotropic. Second, to get a black hole, you need something to undergo complete gravitational collapse. This happens on a certain timescale. However, the universe also ...	[ "Because so far, we haven't found exceptions, and there is no reason to think any exist. Simple as that." ]
If there is space between the atoms and molecules that we are made up of, and the universe is constantly expanding, why don't we explode as the space inside us expands? Is it just the outer perimeter that expands?	[ "I believe the answer to this question is a description of the OP's misunderstanding of solid matter. He sees solid matter as some arrangement of unconnected atoms suspended some way to form a mass. What he neglects to consider is why do atoms form solids in the first place? So we are held together by the electro...	[ "Bugs breath through their skin. They need enough oxygen to support all the stuff inside that isn't skin. The bigger they get, their skin does get bigger, but their insides get even bigger than that. Basically the more mass the bug has, the more oxygen it needs to live, and thus the more surface area it needs expos...
What exactly is happening in the Ukraine right now?	[ "the government is controlled by the Russians,most of the people are sick of it and want real representation within their own country,of course those in power want to keep it that way." ]	[ "This CGP Grey video does a really good job of explaining it all. _URL_3_" ]
Why can't authorities use something like "Find my iPhone," or other means of mobile GPS, to locate the missing Malaysia Air jet?	[ "All those technologies work by having the phone receive GPS, then transmitting that location on the mobile data network to the carrier. For that to work in this case, the phones would have to be on, transmitting, in range of a cell tower, and have compatible technology with that tower. So far, that has not happen...	[ "In cities and towns there are organizations whose job is to keep track of traffic on their roads and highways. These are usually radio or tv stations, but some larger cities (LA or NYC) have specially designated groups who just keep track of traffic. All of these places have databases that are constantly updated ...
Why is pee darker when you are more dehydrated?	[ "Pee is water and various minerals / impurities your body wants to get rid of. The less water in your system, the less water in your pee. The less water in your pee, the higher concentration of minerals / impurities. Higher concentration = darker color" ]	[ "Water fills in all the tiny dents and cracks in a hard, rough surface and creates a smoother, more reflective surface. Both surfaces reflect, but the uneven dry surface just bounces light around randomly instead of creating a clear reflection." ]
Can an animal be allergic to another animal?	[ "Protip: You're an animal. That answer your question?" ]	[ "There are some interesting examples of mutualistic viruses, as [summarized in this table](_URL_1_). One that I have read about before is the [polydnavirus](_URL_0_), which infects a particular part of the ovaries of parasitic wasps. When these wasps find a caterpillar they inject an egg into it along with many pol...
How does youtube make a link start at a certain time of the video without changing the link at all?	[ "It does alter the link by appending a parameter called `t` to the end. For example, if you enter 9 seconds and check the \"Start At\" button, it appends `?t=9s`." ]	[ "Someone correct me if I'm wrong but I believe it has something to do with cookies. They store your search history and saved data (like when you ask a website to save your password, or when you search something in Google and something you searched before comes up as an option) and ad websites gain access to this so...
Why meals ready to eat (MREs) take so long to leave the body or just cause incontinence?	[ "They are purposely low in fiber because they are made to be used where there aren't toilets and/or you need to carry your poop with you so you don't get discovered, so constipation is a feature, not a bug." ]	[ "It is much more complicated than that, and is a very active area of research. A professor at my school, David Eagleman, studies this stuff. He's a complete badass, check him out: _URL_0_ edit: one of his famous experiments involves using magnetic energy to slow the propagation of some signals in the brain, and i...
Difference between probiotics and prebiotics	[ "Prebiotics are essentially food for probiotics. The way they work is that the probiotics, which boost immunity and general health, mainly for the GI. The probiotics feed on the prebiotics, so they will be able to do what I listed above better. [Source](_URL_0_) in case I missed anything" ]	[ "Here's a pretty good explainer. _URL_0_ Basically it comes down to different memory, different promises (reliability and service life), and different marketing." ]
Peru is the world leader in producing counterfeited dollars with super good quality, and those are just individuals, so if a small group of people can do that why wouldn't corrupt governments print dollars since they already have more resources to them?	[ "They can and do. North Korea and Iran, in particular, are suspected to print counterfeit dollars. However, those countries have the same problem that drug dealers have when trying to spend the money. For example, if you show up at a bank with $50,000 in cash and try to make a deposit the bank will ask you where yo...	[ "Private banks don't print money. [Here](_URL_0_) is a simplified explanation of how money gets into circulation via banks." ]
Why did settlers choose to found their city in a specific place?	[ "London because it is about as far inland (up the Thames) as you could go by ship and the first point where the river was narrow enough to bridge. The Palatine Hill of Rome was similar: a defensible feature overlooking the Tiber River (trade) and it's fertile floodplains (food). New York was settled in a different ...	[ "Think of the software like a building. When you construct it, certain specifications (settings) need to be determined as the foundation of the building. If any of these specifications need to be changed, you may have to tear down the building and make a new one. However, the furniture/wiring/plumbing inside can be...
Why can I hear buzzing coming from my earbuds when I walk between retail anti theft scanners at building exits?	[ "Those anti theft scanners use electromagnetic fields to detect those magnetic sensors that are attached to the clothing (and removed by the clerk upon checkout). As you walk past, these electromagnetic fields will induce some alternating current in your earbuds, and that's where the buzz comes from." ]	[ "In one regard, an escalator's steps are taller, and spaced differently than we are used to on a staircase, so this alone presents some unusual sensation as we advance. Additionally, it is theorized that we adapt to moving surfaces like airport moving sidewalks and escalators, with the expectation of their movemen...
How did the Roman Empire develop when Hadrian was emperor?	[ "If may ask for a bit of clarification, what do you mean by “develop”?" ]	[ "I wrote a detailed response about Tom Holland's documentary [here](_URL_0_), using primary source to argue that something very similar to modern Islam did exist quite early on. Also worth noting that Crone and Cook's Hagarism thesis is not taken seriously anymore (or even at the time) - it literally used only th...
Who was Leonid Andreyev, and what is the significance his work "The Curse of the Beast"	[ "I can't speak much to Andreyev - he seems like a fairly minor writer of the Russian Silver Age - but there is likely zero connection between The Curse of the Beast and those kooky kids at /r/klyatic. There's an OCR error in the Google books result: проклятие зверя transliterates as proklyatie zverya, not pro...	[ "You can try to google Rafe De Crespigny To Establish Peace an English translation of Sima Guang Zi Zhi Tong Jian. _URL_3_ _URL_0_ These are where you all may find SanGuoZhi biographies. These are historical. Apart from the Zi Zhi Tong Jian translated by Dr Rafe De Crespigny, _URL_2_ Here you all may find the cont...
How do university admissions offices determine the validity of GPAs and transcripts for homeschooled students?	[ "It depends on the type of homeschooling. Many are online programs that are just completed in home as opposed to in a school. So there are still standard tests that are taken to prove competency within the various subjects. Many of these tests are online proctored via webcam to prevent cheating and outside resource...	[ "Hi there, the mod team has already had to remove several responses in this thread because we do not allow [personal anecdotes](_URL_3_). While they're sometimes quite interesting, they're unverifiable, impossible to cross-reference, and not of much use without more context. [This comment](_URL_3_) explains the rea...
If we were raised being told that flowers and perfume don't smell good and things like poop and trash smell good would that change our sense of smell?	[ "It may be possible to condition us to enjoy \"bad\" smells, but I'm not sure it would be easy. Our concepts of \"bad smell\" and \"good smell\" aren't social constructs; they're a biological phenomena used to keep us away from toxic, dangerous, or rotting foods, and steer us towards safe stuff" ]	[ "A vet likened it to me in this way: Dogs smell the world \"in color.\" To a dog, the way we smell our surroundings is similar in sensory concept to looking at a black and white pic. We can still get a lot of information about the pic, but it's still incredibly limited as compared to one in full color. Dog's capabi...
Are we really loud to creatures that are smaller than us?	[ "How loud something 'sounds' is subjective. While there is a quantifiable '[loudness](_URL_0_)' to sound, how we interpretate that sound comes from our ear drum and our brain. I don't know enough about insects' vibration detection to help more on that subject. Check out Michael Chricton's Book MICRO to read more ...	[ "Please use the search function. _URL_11_ _URL_12_ _URL_13_ _URL_11_ _URL_12_ _URL_11_ _URL_12_ _URL_13_ _URL_12_ _URL_13_ _URL_13_ TL;DR: Why is a bad question with no good answer. We can't tell entirely with other animals, because we can't directly communicate though anecdotally, many seem to." ]
Why is it that when you have an internet connection with a certain speed, your downloads are actually just around 10-15% of that speed?	[ "first of all lets explain a few concepts, The speed you´re quoted from your ISP is in bits, and what you see in your browser is bytes. 1 Byte = 8 bits, So a 3Mbps connection would yield 3072/8 which is around 384KBPS a 16MbPS connection yields 2MbPS, Actually your connection is working extreamly well, usually p...	[ "Your title seems to imply that in two rocket engines that are identical in every way except for the ability to throttle the one with the ability to throttle would always produce a lower Isp. This isn't the case. At the same throttle level these two engines would have the same Isp, but as the throttleable engine re...
How is it humans arent already multiple subspecies?	[ "There used to be! Kinda... Most people on Earth have a small fraction of their DNA replace with Neanderthal DNA. This means at one point Homosapiens were doing the do with Neanderthals. This inevitable created some sub-species of humans depending on what your definition of \"species\" is. Though as anyone who stud...	[ "Actually we do. _URL_0_ The reason its so complicated is because we have so many dialects, accents, and speaking mannerisms. The program itself needs (I believe) a minute of speech from the subject before mimicing the speech." ]
How come kids movies are never rated: G anymore?	[ "The only group that consistently turn out for movies in theatres are teenagers, and there is the perception that they won't see a G rated film. Studios [specifically avoid it](_URL_0_)." ]	[ "Google reckon that some are now possible with HTML5, and that others are not secure, so they've pulled the plug. [Source](_URL_0_)" ]
What is the difference between magnetism and gravity?	[ "Everything. Apart from them both being the result of field forces - forces that act at a distance - there is nothing similar about them. You are asking 'what is the difference between an antelope and a brick?'. Good as a setup for a joke - useless as a question." ]	[ "Can someone explain the difference between Dementia and Alzheimer's, please?" ]
How did circumcision start. I'm aware it has to do with religion, but was there an actual, practical reason for? Or did somebody literally just go, "God told me to cut part of my dick off."	[ "Some african tribes do it for 'coming of age' rituals. Circumcision in the western world besides religious reasons(jews and muslims)was mostly done to prevent masturbation. Probably the religious orders were for the same reason, though of course it's easier to replace it with \"coz God said so and that's the botto...	[ "Politics. It's an easy issue to use to paint your opponent as \"evil\" regardless of which side of the debate they are on." ]
how are movies pirated?	[ "Small midgets with cameras following the movies film crew recording a low resolution version of the movie. Usually dressed as pirates" ]	[ "They produce, purchase and/or import them in licensed facilities. Just because a drug is \"illegal\" to possess without a prescription, doesn't mean it's illegal to make - as long as it's properly licensed and regulated." ]
Why is corporate whistleblowing bad? I thought if you see something wrong you're supposed to speak up.	[ "It's not bad. The issue is that people confuse whistleblowing (typically a legally protected act) with unauthorized, illegal disclosure of information to the public." ]	[ "There is a Supreme Court case called US v Spirit of '76 which concerned a film produced in 1917 that the US government censored in its entirety. It's a pretty significant First Amendment case. \"Spirit of '76\" featured scenes of British atrocities during the Revolutionary War. One especially controversial scene...
Where does your immune system “remember” how to fight viruses? Is there a limit to how many can be remembered?	[ "There are specialised cells called Memory cells that contain the antigen required to fight the specific virus. There are two types of memory cells: Memory T-cells and Memory B-cells. In the case of an infection that your body remembers, The antibodies in your blood get into action and start latching onto the virus...	[ "Hey, I can answer this! So here's how it works: internally, the game has each question and answer stored in some kind of [tree structure](_URL_0_). Question nodes have children, answer nodes do not. That's why the game starts off with really generic questions, and gets more specific as the game goes on. The game j...
How do we know the Kelvin scale is correct?	[ "I think you are looking at it from the other way. The temperature at which the particles are all at their quatum ground state is defined as 0K. It is also the temperature at which entropy reaches its minimum value, from a Thermodynamic perspective. So, you have 0K defined as above, now you start moving up and meas...	[ "Watch this video by Veritasium: _URL_1_ I think it answers your questions." ]
Is the Kübler-Ross model of grief (5 stages of grief) still considered valid?	[ "It is still fairly widely accepted as a valid model of grief. The only major change involves the process of moving between stages. When this model was proposed, it was understood that an individual progressed through the stages linearly, from 1 to 5, and then was \"all better.\" We now know that, like so many oth...	[ "I have taken an interest in the Pacific Campaign and the history of naval aviation and am now looking for recommended reading. On my shortlist so far: Title \| Authors ---\|--- Pacific Crucible and sequels \| Ian W. Toll Shattered Sword: The Untold Story of the Battle of Midway\| Jonathan Parshall & Anthony Tully ...
Can someone clarifiy transfinite numbers for me?	[ "demarz and drzowie both gave good explanations. One thing worth emphasizing is that there are two different notions of infinity here. There's comparing size which is what drzowie is talking about and is called [cardinality](_URL_1_), and there is thinking about infinite sets in terms of their order, called [ordina...	[ "The impedance of an inductor is Z = iωL. What happens when you take the limit where ω goes to infinity?" ]
Why can't buying a car be as simple and pleasant as buying any other commodity?	[ "because normally people don't have the money or available credit to buy cars the way they buy groceries. Car dealerships have to see if anyone is willing to loan you $25,000 to buy something." ]	[ "Becsuse all tux's basically look the same, just different sizes and are a basic loose fit. Easy for many men to wear the same thing. But theres a bajillion styles of wedding dresses and different styles for different shapes and they're usually fitted. Odds of finding a generic sized dress in a style you like that ...
Does the human eye/mind see in frames per second?	[ "No, the human eye sees in the form of chemical reactions. The speed is not equivalent, some are faster, some slower. It also doesn't see a full image at the same time. Frames per second cannot be used to explain how the human eye sees. Cameras are in no way equivalent to the eye" ]	[ "Old reddit repost (credits to /u/mrcaid): _URL_0_ from article _URL_1_ Massive difference between individuals. Some can barely resolve 25 FPS (hence 30 FPS is good enough for general purposes); the youth averages out at 60 FPS (hence the gaming benchmark); some can even differentiate stuff at 300 FPS." ]
How do really expensive HDMI cables work better than cheap ones ? Is it not all ones and zeros?	[ "Expensive HDMI cables do not work better than cheap ones. It is essentially a marketing ploy. The only advantage you might have in an expensive cable is a slightly more durable connection. I have had several ultra-cheap HDMI cables break at the connection point with very little force. However, you can get great ...	[ "Looks price and class. That's it. When you pay for an escort you're paying for \"the girlfriend experience\" you talk to them eat with them you know go on a \"real\" date but at the end you know your getting lucky. With a whore your getting some drug addicted pimp abused woman who only wants to get you off as fast...
What's the difference between "A-list", "B-list", and "C-list" celebrities?	[ "Fictional Jerry Seinfeld = C-list Real Jerry Seinfeld = A-list" ]	[ "Think about things bouncing around. Imagine a box with a fan in it. Put 20 balls in ithe box. Now imagine a basket to one side just the right size for the balls. Turn on the fan. The balls jump around randomly. At some point a ball will fall into the basket. This will happen at a given rate which will depends on h...
What are the gravest consequenses that a US government shutdown has led to historically?	[ "Anyone curious about political events too new for the scope of this subreddit is heartily encouraged to visit /r/AskSocialScience where the poli scientists hang out, and who are not subject to the 20-year rule!" ]	[ "Let's say toll roads are run by Wal Mart. They then offer a discount - you can drive to Wal Mart for free, but still have to pay a toll when you go anywhere else. Sounds good, right? But then next year they double or triple the toll. Soon you can't afford to shop anywhere EXCEPT WalMart. Every other store then go...
[~1850s] Why, in Barry Lyndon (historical drama, based on a book from 1844) does the Chevalier, a professional gambler, wear makeup?	[ "Because Barry Lyndon takes place around the time of the Seven Year's War (1754 to 1763) where as part of French fashion a man wore white makeup to show he had the wealth to mimic the styles of the French court and also as a side note did not work outside." ]	[ "Current practice in Anglophone scholarship is to use the standard name if the person is well enough known to have one. We say Charlemagne, not Carolus Magnus or Charles the Great. We say Joan of Arc instead of Jehanne d'Arc. Note that this does not always mean the common term is English--Charlemagne, for example, ...
Can someone ELI5 the recent Bill Clinton speech, and why everyone is so enamored with it?	[ "Clinton's speech was delivered with a tone not normally seen in political speeches, he used actual numbers to back up his claims, and told what has been evaluated to be pretty close to the truth. It did go a little long, but that extra length went to good use. [Here's Jon Stewart going over why it was good.](_...	[ "_URL_0_ Yeah, reddit's search does suck. tl;dr: Einstein's famous equation E=mc^2 is the basis of most of the last 50-60 years of human's understanding of physics, where the \"c\" in question is the speed of light. It was thought to be an absolute maximum for how fast things could go, apparently it's not." ]
Why airline pilots amongst others say "niner" rather than just plain old fashioned "nine"?	[ "Because reception is not always crystal clear, and 'nine' can sound a great deal like 'five'. That is why." ]	[ "When playing Blackjack, there are a set of odds for how much a player can be expected to win based on how the House(the casino) plays and the likelihood of a player getting Blackjack. As the game progresses, more cards are shown, leaving less than a full deck inside. In Blackjack, having a deck full of high cards...
Why don't trees freeze and fracture? Or do they?	[ "The short answer is that they can: _URL_0_ However, they typically don't for several reasons. First of all, under certain conditions, water can remain liquid at temperatures below what would normally be considered its freezing temperature. This is known as [supercooling](_URL_1_) and is usually what happens with t...	[ "Has to do with the angles formed by the hydrogen with the oxygen. They clump together based on water being polar. This clumping forms larger patterns associated with these angles. These grow until it forms we think of as snowflakes. Varous enviromental factors impact how these crystals grow into snowflakes. [_URL_...
What are the pragmatic benefits of developing self-driving cars?	[ "The Big 3: 1. more time to do things that are not driving. 2. vastly improved safety - fewer injuries, death. 3. more efficient use of economic resources (one-person-one-car not needed)." ]	[ "I am guessing, that other than the obvious stuff like tolls and/or bridges etc... It might be making traffic predictions that there MIGHT be traffic during the trip, so it avoids the route." ]
Why does fire conduct electricity?	[ "The flame part of a fire consists of ionized gas. The fire is a plasma, so it may conduct electricity. For more information: [How a flame conducts electricity](_URL_0_)" ]	[ "Water is Hydrogen ash. It's already been burnt. It won't burn again." ]
Why after a few days do cold-cuts get "slimy" feeling?	[ "Wow this fucking thread is making me sick i always thought it was a fat or oil that just became more liquid..." ]	[ "Food stamps cannot be used for prepared food. The food you get from Subway is ready to eat. The pizza you get from Papa Murphy's still has to be cooked, so it's in the same category (food stamp wise) as a frozen pizza at the supermarket." ]
18.5% of African-American ancestry is European. Were these white ancestors usually the rich slave owners, or poorer white plantation workers/supervisors?	[ "The Plaçage system may have played a large part in this. This allowed the European men in French and Spanish colonies within North America and Caribbean to enter what was essentially common law marriages with non-european women. The reason for this was due to the shortage of white european women as many people who...	[ "Its a lack of pigmentation expressed in animals, caused by genetic mutation. Since all animals have genes related to pigmentation, all animals can have mutations in those genes. There are a few basic types: Amelanistic animals do not produce melanin. Axanthic animals lack yellow pigmentation. **Anerythri...
How and why we have dandruff	[ "People with chronic dandruff shed skin cells at a much faster rate than those without. This increased shedding causes the dead skin cells to clump together. When you scratch your scalp, you scrape up these clumps of dead skin with your nails." ]	[ "_URL_1_ _URL_0_ Only a small fraction of dust come from your skin cells, so you wouldn't really see it get dusty faster due to that." ]
What is behind bodily reactions to sickness?	[ "> It sometimes seems to me that the runny noses, headaches and fevers we get when we have a cold or something are completely arbitrary. Nope. Runny nose helps to flush out the germs. Headache is part of the inflammation response to infection. > What does the body hope to accomplish by turning up the heat Most ba...	[ "The body doesn't figure anything out. When immune cells are produced they randomly rearrange genes to produce different antibodies. If the antibody matches a pathogen, then that cell can clone itself to produce large numbers of cells that can produce the same antibody." ]
Are our bodies just biological vehicles for bacteria?	[ "While the bacteria on and in our best comprise a large number of cells (approx. 10 times as many as our own), they are relatively light. Based on [this]( _URL_1_), they are estimated to weigh anywhere from 2-9 pounds. In many ways we do work together, primarily in the digestive system, and not having important bac...	[ "Its all CYOA. The company making the product can't advertise that it kills 100% bacertia. This is because of human error. If someone uses their product the wrong way, and gets sick, they can sue the manufacturer for false advertising, and in this society, they stupid person would probably win. Same thing with The...

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