Subset (10)

eli5 · 25k rows

Split (1)

train · 25k rows

query stringlengths 20 300	positive listlengths 1 1	negative listlengths 1 1
Truly wondering... Can life only be possible with DNA?	[ "If you consider viruses to be alive, then [RNA viruses](_URL_0_) would qualify as they use RNA instead of DNA to pass on their genetic material." ]	[ "The strands carry the compliment of the other. C binds with G and A binds with T, so where there is a C on one strand there is a G on the other. The machinery of the cell has bits which take advantage of this fact to make the whole thing work." ]
Why do people throw up when others around them do?	[ "Your body has evolved with defense mechanisms. Among other things, it can incorporate information from your senses, sights, smells, sounds, into emotional or physical responses. Certain smells and tastes can prompt you to vomit in order to try to get rid of a dangerous toxin. Beyond that, we also evolved as commun...	[ "It's about novelty. When it's new, we cherish it and want to take care of it. Novelty eventually becomes familiarity. We see this a lot with cars. That new car, the owner is so careful. At some point, however, it becomes OK to toss that empty Big Mac box in the back seat." ]
What can stop and/or destroy a black hole?	[ "So, black holes aren't cosmic vacuum cleaners. They are more like really dense cold stars that you should avoid getting too close to. They often have very hot disks of gas swirling around them, which can cause more of a problem due the radiation they release. However, there is something called the Penrose process ...	[ "Dark energy is not responsible for the expansion of space. Dark energy is responsible for the increased rate of that expansion happening (the acceleration). Expansion is a generic property of how we model cosmology and would exist even without dark energy (for varying amounts of time depending on the energy conten...
Why we don't build more than 32 or 64 Bit Computers? Creating bigger and better registers doesn't seem to be such a huge deal for my understanding.	[ "One of the driving factors of increasing the bit size of CPU architecture is addressing memory. 16 bit allows you address 65 thousand different locations, 32 bit gives 4 billion. Both of those represent ranges modern computers frequently exceed. 64 bit gets you to 18 billion billion. There just aren't a lot of com...	[ "Simply put for the same reason drinking water when you're not thirsty isn't as refreshing as when you're REALLY thirsty. Anticipating the bodies' needs doesn't trigger the same reward responses in the brain as fulfilling a need that is already present. Your muscles don't NEED to stretch right now, so you can't ant...
How can people be "naturally good" at something?	[ "By having a genetic predisposition to have strong motor control skills, or increased muscle development, or good vocal chords. Some people are born with poor eyesight, some people have normal eyesight, and some people have excellent eyesight. People with excellent eyesight have a genetic predisposition that makes...	[ "You are currently processing crystal clear images of your surroundings, focusing on this post, reading squiggles and translating them into sounds, connecting those sounds into words forming sentences with meaning while simultaneously feeling your hand on your mouse, smelling the air, hearing and interpreting sound...
How did we develop into a species that can commit suicide? Is suicide present elsewhere in the animal kingdom?	[ "[dolphin suicide](_URL_1_) [mama bear kills her own cub and then commits suicide](_URL_2_) [beached whales](_URL_0_) Obviously it's impossible to know exactly why these happened (these are all opinions), but it definitely seems like it is possible that wild/captive animals have committed suicide. edited for format...	[ "Hi OP, this is a cultural question, so it would greatly assist anyone considering answering if you could specify which culture you're asking about. For example, the name of a cultural group / country / geographic region, plus a rough time period. Otherwise, this question is simply too broad, as it encompasses almo...
How do you know which equation to use when it comes to solving physics problems?	[ "Equations have variables for velocity, mass, time, etc etc etc. The question on your physics test will give you some of them and ask you to find another. Use the equation that matches the given information and leaves only one. Solve for that one." ]	[ "It's like in Mario Kart where if you drive off the side into the mud, the drag slows you down. If you drive back to the road in a perpendicular fashion, you minimize your time in the mud, but you've built up no momentum once you get to the road. If you drive parallel and angle yourself gradually toward the road, y...
What is Residual income cash flow? What should I know about it?	[ "I would be very cautious. \"Residual\" is also used in MLM (multilevel marketing) contexts to refer to the kickback you get when people under you in the hierarchy (the \"downline\") make sales. People also tend to be very vague about these kinds of companies, wanting to talk to you in person over lunch to sell yo...	[ "R: obviously good to stay off an injury I: reduces swelling around the injured area, and relieves pain C: also reduces swelling E: helps with resting the injury" ]
Why do certain animals, such as humans, have "low number births" (1-3), while others give birth to a larger number?	[ "This is part of evolutionary sexual strategy. Having many offspring limits the amount of resources you can invest in each, but having few and investing a lot in each can allow them to have a much higher individual probability of surviving to breed. [Depending on what environment a species lives in any position on ...	[ "You're overthinking it. [Here](_URL_0_) is a scientific article about it, but it's still kind of complicated. The easiest way to think about this is the 10:1 rule. For every one pound of meat you, need ten pounds of feed for it. This means that if you ate the feed directly (eg, corn), you would use only 1/10 of...
Since the moon reflects the sun's light, why don't we get tan being in the moonlight?	[ "It only reflects about 7% of the sunlight that hits it." ]	[ "Looking at an object in a mirror is the same as looking at the object at a distance of (distance from you to mirror) + (distance from object to mirror). To see something, light travels off of an object, through the pupil and to the retina. The pupil focuses this light so that lands correctly on the retina. Blurry ...
why did the Falcon 9 launch this week cause such a spectacular display?	[ "A few reasons: - It was a [Falcon](_URL_0_), which is a pretty good sized rocket. - The launch was at sunset. So it wasn't daylight on the ground, but the rocket itself was in daylight. The sunlight reflected off the exhaust plume. - It was a south launch into polar orbit. The track of the launch went near the pop...	[ "Edited: I have heard two things... * Rockets sent up to record various aspects of the test. * Vertical smoke flares which are used to observe the shockwave Edit 2: [Seems like it is a combination of the two](_URL_0_): > Sounding rockets or smoke flares may be launched just before a device explodes so that their v...
How was post exchanged between the Allies and Axis during WWII?	[ "It would be great to hear more information, but [this old question](_URL_0_) from /u/usaf2222 has some answers by /u/Georgy_K_Zhukov and /u/kwgoodlet that might be helpful. The question is largely in regards to POWs, but the answers seem to be at least somewhat general to correspondence between the different sides...	[ "Something similar to this was asked once before & u/intangible-tangerine [gave an excellent answer.](_URL_0_) As far as the explorers and international mail, as far as I know there was no real “system” in place. It was more just a matter of hand the letter to someone you trust on their voyage back, and say “here ...
does the saying of "communism works in theory but not in practice" have any truth to it? Why or why not?	[ "The fundamental flaw in communism is that it requires everyone share the same interests and the same opinion on how to serve those interests. This makes it a very tempting policy position since we like to believe that our own interests and opinions should be universally adopted. In reality, this situation doesn't ...	[ "This question is getting a lot of traffic after being [tweeted by @reddit](_URL_5_), so I thought I'd welcome those of you that haven't visited /r/AskHistorians before to the subreddit. Please do bear in mind that in order to keep the quality of answers here high we have [strict rules on comments](/r/AskHistorians...
Would it be possible to invent something that could "turn on and off" you hearing?	[ "It would certainly be possible. I can't think of any way that is technically feasible right now, but the auditory nerve seems like a good place to start. I can imagine a small implant that would release a chemical, either a very low affinity sodium channel blocker, or was all of the sodium ions away from a small s...	[ "It's already done. The first ones were built decades ago. They actually focus the light onto a tower that has a molten salt running through it, which carries and stores heat more effectively than water. It's then used to heat water, to make steam, to run a turbine. Because the salt stores heat so well, electricity...
Why do pigeons move their head weirdly while walking ?	[ "> Most studies suggest that birds in motion bob their heads to stabilize their visual surroundings. In comparison, we rely more on our eye movements, not our head movements, to catch and hold images while in motion." ]	[ "Many mating displays are a way of showing off how much extra energy you have to spend. Generally, having good genes means you hunt better and get sick less often; only creatures with strong genes can spend the time and energy doing a mating dance. Thus, by watching to see who does the best mating dance, potential ...
Were hangmen paid per hanging?	[ "In medieval Flanders and Brabant the executioners (of which there weren't a whole lot) were contracted seperately for every job they had to perform and thus paid for seperately for every execution. Why do you see this as a conflict of interests?" ]	[ "That's called special billing, and it's usually something that high-profile, stand out actors will request as part of their contracts to make them stand out from the rest of the cast." ]
If 70-75% of all stock trades are executed by lightning-fast, software-driven, algorithm-based High-Frequency Trading (HFT), what advantage is there to the remaining 25-30% of trades occurring at traditional human timescales (especially those occurring on trade floors)?	[ "not everything needs to happen lightning fast, the fast trading really counts when you are \"day trading\" and looking for stocks that move in that moment(for example you see it start to go up you buy it you then wait for 10 mins you see it start to go down and you sell it,you are trying to get a profit by the min...	[ "So a really cool technology called photogrammetry is being used a lot more often these days in media, where high quality pictures, images, and videos are being taken and the images are then converted to code, which shows up as a 3D model rendering. That's not the answer to your question though. Many talented artis...
If I alternate closing each eye, why do I still feel like I need to blink?	[ "It's entirely psychological, you feel the need to blink because you're consciously holding out beyond the naturally occurring blink-trigger to see if you actually do need to blink. In this time your eyes begin to dry and you blink due to irritation." ]	[ "Vsauce did an interesting video that might shed some light on the subject for you. [Link](_URL_0_) EDIT: TL;DR, when you're tired your brain warms up, yawning helps cool it down." ]
How does your stomach pass ready-to-digest food to your intestines, without passing your stomach acid?	[ "Our common image of the stomach as an empty sac with acid at the bottom is wrong. We picture food just plopping into the stomach and steeping in acid until it is dissolved, but that's not what happens. It's more like an undulating tube lined with acidic mucus. The food is pulled and squeezed and crushed, all while...	[ "Yes, and that's one of the reasons natural birth and breast feeding is preferred over c-section and bottle feeding. It allows faster seeding of the GI tract." ]
How can a president win an election while losing the popular vote?	[ "Basically each state gets a certain number of votes based on its population and a minimum value. For most of the states if you win the state you get all of its Electoral College votes. So if you were to win a narrow majority of the states by 51% and lose the rest with 0% of the votes you would still win overall bu...	[ "Demographics: Some shows with lower than expected ratings can hold on if their viewers are concentrated across key demographics. For example the show Friday Night Lights was able to hold on as long as it did because it's average viewer was among the wealthiest in the USA." ]
Why does thinking about going to sleep make it harder to sleep than just thinking about random stuff?	[ "Because it's harder to sleep when you're stressed. Telling yourself you must sleep creates stress in your brain, which prevents you from sleeping." ]	[ "When you talk normally, you're generating the words, tone, and rhythm from your head before you open your mouth; when it's time to read, you have to look at the words manually and recite them one at a time, and you may not be able to anticipate how the entire sentence or line is supposed to sound. If you get a cha...
Historically, does a "witch-hunt" immediately precede social normalization?	[ "Not to point out the obvious, but it didn't work for communists. Or witches for that matter." ]	[ "Because every group has negative connotations. What political party do you side with? Filthy limp-wristed liberals or racist war-mongering conservatives? Don't tell you're a wishy-washy hippy 3rd party voter! Any group that exists can have negative connotations applied to it, so you put yourself in the groups you ...
What would happen if you antibacterialized your digestive system?	[ "This happens frequently on very strong antibiotics. It causes digestive disorders and colonization of the gut by unfriendly microbes, notably Clostridium difficile (C. diff), which causes severe diarrhea, is hard to disinfect and is easily spread between patients and healthcare workers. _URL_0_" ]	[ "One theory is that [we're too clean](_URL_0_). By keeping our kids clean and not letting them chew on UFOs (unidentified floor objects), we're either preventing their immune systems from building a proper \"database\" of pathogens early on, or we're preventing them from coming into contact with symbiotic species t...
How does the Heimlich Maneuver work?	[ "It forces any air left in the lungs back up through the airway hopefully dislodging anything stuck." ]	[ "I could try to explain it to you, but this video is all you really need: _URL_9_" ]
Is there a reason that some devices (like a remote) have their batteries installed in opposite directions, as opposed to a flashlight which does not?	[ "When you put batteries in series (i.e. stacked up end-to-end), their voltages add together but the current stays the same. When you put batteries in parallel the voltage stays the same, but the currents add together. Installing the batteries in opposite directions is a way of putting them in series without hav...	[ "Imagine for a moment that the Earth has no oceans and you can walk over the entire surface of it. Now let's plop you somewhere in North America. As the moon rises over the horizon you start to walk toward it. In North America the moon always appears to be slightly south from where you are, and when it is rising it...
Could, with enough money, another country buy one of USA's states. How much would it take for USA to take it seriously? What would the decision making process be like?	[ "that would never happen no matter what money. mostly because you putting territory of potential enemy right next to yourself. remember cuban crisis? then its relocating citizens, making new borders, that additional costs." ]	[ "I initially was extremely sceptical, as the thread question is both wide-ranging and oddly specific. However, reading your explanatory post I got a much better idea of what it was you are looking for. You raise several valid points and I think the questions you are asking are interesting ones. But you mostly answe...
What occurs in a humans brain as hand/eye coordination develops through repetitive practicing of a sport? Let's say, for competitive darts.	[ "Motor units (the nerves that control specific muscle fibers) and the neurons in the brain that control the movement become more heavily myelinated. More myelin = faster and more consistent action potential through an axon. That's oversimplified so I'd welcome somebody to add some specifics or corrections" ]	[ "You're assuming that the enjoyment of music is the purpose of an evolutionary advantageous skill, but it's actually probably just one (of many) applications of an evolutionary advantageous skill. The skill is pattern recognition. Early agriculture was made possible by our ability to recognize (seasonal) patterns...
Why is air invisible to infrared cameras? Why isn't the entire image the temperature of the air? Also, what is the relationship between infrared light and heat?	[ "Infrared light is just like any other color of light, its just below the level that we can see. Heat is a measure of how much motion particles have. We know that hot things give off light- this is why metal glows when it gets hot, or why the sun is bright. Things that are not quite that hot also give off light, it...	[ "Yarr! Yer not alone in askin', and kind strangers have explained: 1. [ELI5: Why do humans feel the need to wear clothes when the rest of the animal kingdom is naked? ](_URL_6_) 1. [ELI5: Why do we wear clothes? ](_URL_0_) 1. [When, why and how did we start wearing clothes? ](_URL_3_) 1. [ELI5: Why do humans, unlik...
Is it possible to boost the speed of sound up to the speed of light?	[ "There is reason to believe that the fast any sound can get is [57% the speed of light](_URL_0_), but this isn't rigorously proven. It may be faster in extreme environments like the cores of neutron stars." ]	[ "We aren't really sure why, but it doesn't seem that something like that can be done. Think about it like your bladder; you can build up a need to urinate, but you cannot urinate so much that your bladder is more than empty." ]
What makes outer space so ill-fitting for microbial life, compared to other extreme conditions on earth where a select few species has been shown to thrive?	[ "It's because space is dry. There's a reason you always hear astronomers going on about finding water somewhere or other. Even on earth, no extremophile bacteria can live where it's dry. This goes for places as ordinary as your jar of peanut butter (ever wonder why it doesn't get moldy?) or salt shaker. Oh sure, lo...	[ "It isn't outlawed entirely, persay. NASA can go explore water if it designs the mission to focus entirely on sterilization of the probe. If they can ensure 100% disinfection, they can do it. Curiosity was never equipped with the right tools to fully disinfect itself in this way." ]
why can we feel other people staring at us???	[ "There are two possibilities: 1) Coincidence. It so-happens that someone was staring at you and you caught them when you felt like someone was staring at you. 2) People are naturally attracted to moving objects. If someone is generally looking in your direction and you turn and notice them staring at you -- what r...	[ "Because the animal inside you activates and you engage in \"Predator\" mode, doing everything in order to secure food and guarantee the survival of your species." ]
How do checks work and why are they still being used?	[ "Checks are mostly just being used the America, Most countries in Europe and Asia dont use them anymore, there are reasons that i dont know about, but the main reasons is that its easy to \"manipulate\" or \"steal\" money, they are not reliable." ]	[ "You, like all people in your country, enjoy goods and services provided by the government: police, firefighters, public roads and schools, the benefits of regulated commerce, safe air, food, and medicine, and military protection from adversaries, to name a few. To pay for these goods and services, the government c...
Why can I think about moving my body, but not move it? What's the difference between thinking about moving a body part, and actually moving it?	[ "It's because the parts of your brain that processes though/cognition are separate from the part that controls movement (the motor cortex). Only when the two communicate are the appropriate messages sent to your muscles to force movement. As an interesting side note, there is evidence that simply thinking about per...	[ "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...
When we play peekaboo with babies and cover our face with our hands, do they really forget that we're there because they can't see our face anymore?	[ "Babies don't really \"forget\" that we're there. It's a concept called object permanence. It seems to a baby that mom or dad has disappeared if he can't see them, because object permanence has not been established in his brain yet and he can not comprehend that something exists if he can't see it. That's why bab...	[ "One of the main ways animals distinguish prey animals from predators is by the eyes. The eyes on prey animals tend to point to the sides, while a predator's eyes are directed forward. Another crucial factor in how animals behave around others is apparent size. I don't know if you were expecting the rabbit to be fr...
The hatred of Office Depot on /r/circlejerk	[ "They're circlejerking in support of Staples, of which Office Depot is a competitor." ]	[ "Printers suck because they are engineered to a price target. A really good printer is a thing of beauty, and I've seen them spit out hundreds of documents a day, for weeks and months on end, needing only the paper tray filled and an occasional toner cartridge. But that kind ain't cheap. If you're buying printers f...
Why do we rub our eyes when they hurt? Wouldn't that damage them more?	[ "Part of is it is to remove irritants, part of it is because counter pressure eases inflammation and reduces pain. You hit your arm, you grab it. Natural reaction." ]	[ "It has to do with training a type of muscle fiber, called intrafusal muscle fibers, that monitor the length of your muscles. These fibers are specialized types of muscle cells that send signals back to your spinal cord and brain. Their primary purpose is to prevent tearing of the muscles from overextension. By str...
What is GDP per capita and how does it work?	[ "GDP in the simplest form is a way to measure a country's \"wealth\" based on imports, exports, total amount of money produced by the people and other important factors they use to calculate it. GDP per capita is the GDP of a country divided by the total amount of persons living in it; kind of like taking the amoun...	[ "This CGP Grey video does a really good job of explaining it all. _URL_3_" ]
Why do animals (specifically cats and dogs) like being pet so much?	[ "Cats and dogs have been selectively bred to be good companions. Most animals find being petted extremely stressful and many would lash out if you tried. But those are poor traits for pets so we try to breed them out. There's an old Russian experiment with a fox farm that demonstrates this very nicely. At the farm ...	[ "Particle on skin may cause danger, scratching removes particle (hopefully), relief of the damaging particle releases feel good chemicals into blood. At the same time scratching slightly damages skin, skin damage releases feel good chemical into blood to counteract pain. So kind of a mix of both." ]
When drug metabolites are passed into the water supply through urine, how long do they remain there?	[ "There is certainly drugs in the fresh water downstream of sewage treatment plants. [Caffeine](_URL_0_) can be used as a marker for treated sewage, as it is not degraded in treatment plants, and is quite persistent in water. Hormones from birth control is also present, as is various benzodiazepins. Whether this ma...	[ "It's called the oligodynamic effect. Here you can read about it, but usually it's pretty easy to google these types of questions: _URL_0_ Apparently several heavy metals do it including copper (Brass is an alloy of copper) and silver. Basically heavy metal ions bond with bits of proteins in bacteria and make them ...
Can a paternity test distinguish between twin brothers?	[ "Leading forensic geneticists are working on it, although it may be a few years before a method is settled upon in the research world and then a few more years before it can be adopted. [Here's a paper from 2014](_URL_0_) that looked at a pair of monozyotic (identical) twin brothers and one child, and determined a ...	[ "There is no evidence to support a difference in swimming speed. However, the difference in the mass of X and Y chromosomes _is_ used in many artificial sex selection methods." ]
Since our nerves are under our skin, they don't touch what we feel, so how do we feel things?	[ "The dendrites of a neuron (nerve cell) extend into the deep layers of the skin (and other areas of the body) where they pick up touch, heat, pain, etc and send signals to your central nervous system for interpretation. The reason you can feel it is because those dendrites are so sensitive they can pick up the ligh...	[ "Imagine you grew up flying in a plane. The ground looks like different colors. There's a green area over here, and a brown area over there. When you land for the first time, you're surprised that the green area is actually made up of large trees, and the brown area is made of rocks and shrubs. There are thousands ...
When creating gravity for astronauts in space why do the shuttles go end over end instead "barrel rolling"?	[ "The acceleration due to circular motion is r * omega^2 where omega is the angular velocity of the rotating object, and r is the radius of the circle. So one problem is that a smaller radius of rotation would require a much high rate of rotation to achieve the same acceleration. The second problem is differential a...	[ "Rectangular parachutes are used by highly skilled and trained military personnel (think, special forces High Altitude Low Open jumps) These types of parachutes require more skill to operate effectively and accurately and can easily become extremely dangerous when controlled by someone with little to no training....
Does long term whiskey consumption really alter/lower your voice?	[ "Physician (who loves whisky) here. What changes one's voice over time is not the alcohol but rather the untreated gastroesophageal reflux disease (GERD) (AKA heartburn). Alcohol, fatty food consumption, genetic predisposition, stress, amongst other things can cause GERD. When stomach acid hits your esophagus, your...	[ "Firstly, we've had a lot longer to develop dialects than the US. We have been using (and abusing) the language since before the US was colonised. Also you must remember that our population is made up of indigenous people (the Celts) and invaders. Scottish, Welsh and Irish dialects and slang have been influenced b...
Why humans fat mostly stores, or at least shows, at the stomach and doesn't so the same effect on the back.	[ "There is a balloon like structure that fat cells occupy in the abdomin, when fat cells expand it shows on your front because there is no structure preventing your front from stretching like there is in your back (the spine)." ]	[ "They are kept in the device's RAM as you use the app, so that when you scroll back up, they are instantly available. Some apps may run out of RAM or otherwise optimize to save it, so the data will be erased from the RAM and lost, thus when you scroll back up, then it must re-load the data from the internet." ]
If a light is turned on in a dimly lit room (from sun through a window) why does it not light the room up very well? It is still dim, yet in a completely dark room if a light is turned on it's lit up like the sun.	[ "The light of the sun is far more intense than that of the light bulb. Because our eyes adjust to light airline well and we can see clearly a wide range of illumination, we don't know any difference. If you take a picture of the same room, however, you can see the difference in light intensity. If the camera is ca...	[ "The moon is bright enough to be visible during the day, unlike the stars. As far as why it is up sometimes along with the sun, they do not orbit opposite one another. When we are seeing a full moon, the earth is mostly (not precisely) between the sun and the moon. Thus for us it is night time, and looking up, we ...
why does sugar lead to cavities	[ "There are a ton of bacteria in your mouth all the time. When you have a lot of sugar in your mouth, they go crazy and eat it and multiply a ton and eat even more. A byproduct of this is acid, which starts to weaken and decay your teeth over time." ]	[ "I don't think that happens to everybody. Do you have metal dental fillings?" ]
Is it possible to demonstrate a Googolplex with zeros?	[ "Let's say we have a program fully optimized to produce 0's at 3GHz ... this is the \"realm\" of current technology though any real implementation would be slower. That would produce 10^9 0's per second. Then it would take 10^10^100 / 10^9 seconds to run, in other words: 10^9999999999999999999999999999999999999999...	[ "Google's _AlphaZero_, trained solely by reinforcement learning from games of self-play, took 4 hours to beat the previous world champion chess program, Stockfish 8. [Paper](_URL_0_). (PDF)" ]
Why do so many historical paintings depict nudity in women and children, but not men?	[ "Because most of the painters were men, and homosexuality used to be a big taboo. You'll notice that in societies were it was less of a taboo (Greece and Rome), you end up with a lot more statues and paintings of naked men around. When Christianity came around, people became suspicious of the morality of a man who ...	[ "The answer is in the question. \"Parliament\". They're in positions of authority and the peasants can't be given the idea that the same rules apply to them as to their lords." ]
Why does it take so much processing power to run Gamecube/PS2 emulated games	[ "Because consoles are very different beasts than PCs. They have different processors, special unique chips, etc. All the instructions each of these chips recieved need to be translated to something a PC and it's peripherials can understand. Also, since all consoles of a type have the same stuff inside (not as in a ...	[ "suppose you are assigned to make sure a big bag of skittles gets eaten. two cores means two people eating, a faster clock speed means each person eats faster." ]
Is there any point in history that double barreled rifle used as an Army standard weapon?	[ "No. In the pre-industrial 18th c. and earlier, when guns were still made by craftsmen , most of the labor ( and so, most of the cost) was in making the barrel and the lock. To make a double-barreled gun required not just two barrels and two locks, but a right-hand and left-hand lock: so, one of the locks had to be...	[ "Related question: Jack Daniel's makes a similar claim yet the only source cited seems to be a collectible bottle of whisky they sold, is this whole 1904 World's Fair liquor competition an urban legend?" ]
Why is human cloning research illegal in so many countries including all in the EU, russia and australia?	[ "It's a huge ethical issue. Obviously a cloned human was created for research, but does that mean that experiments may be done on them without their express consent? What experiments? Obviously the details are far more complex than I'm describing here, but that just adds to the ethical issues, so countries decided ...	[ "It's similar to the way 125% subprime mortgages spread (without getting into the debate about whether that caused the recession) - you get a few groups who think a similar way, with broadly the same ideas, motivations, worldview, that sort of thing, and when one of them comes up with a policy that fits those ways ...
When you're swallowing food or a drink, and you accidentally swallow air with it, what is that intense pain in your chest and throat that follows for several seconds?	[ "If it seems to follow swallowing air, then it is likely an esophageal spasm. The process of swallowing is a complex series of repeated muscular movements, and if there's an unusual gap in the stream of incoming food or drink then that sequence can be interrupted. The resulting feeling is functionally similar to a ...	[ "As /u/SwedishBoatlover has said it causes the blood in your body to increase in pH. Everything in your body, including the CO2 that you produce, exists in an equilibrium. Our bodies were designed to have certain ratios of these things in our system and it relies on them to keep everything normal. In the case of yo...
Why couldn't taxes be the same for every level of income? Why do there have to be brackets?	[ "Even taxes across the board creates a heavier burden on lower income houses than on higher income ones because a larger percentage of your income goes to mandatory basic needs when you make less(food, shelter, transportation). There is a minimum on just how little you can live on, and living expenses don't scale l...	[ "Let's say you're starting a business and I loan you the money to get started. You make your payments and manage to keep the lights on. Soon, you start making a profit. I, who loaned you money, don't come demanding more money because you're making the payments on which we agreed. Your buddy Jeff has a business, to...
Why E=mc^2 if our units for mass and energy are arbitrary?	[ "The equation E = mc^(2) is true in any unit system. I could measure E in ergs and m in stones if I really wanted to. The equation would still be true. The formula is also not arbitrary at all. It's derivable from relativity." ]	[ "Actually it was an experiment to prove something else. The [Michelson-Morley experiment](_URL_0_) was an attempt to measure how fast the Earth was moving through space. They knew light was a wave, and waves travel in a medium, and they set up an interferometer to measure the motion of the medium. Didn't work. But ...
If possible, what country can we trace to be the true successor of the Roman Empire?	[ "I looked in the FAQ and [this section](_URL_0_) probably has more answers than you could ever want. This is one of those questions where I just have to ask \"Who cares?\" Roman identity is something so schizophrenic and malleable that at one end you can have a pagan Augustus imagining himself to be the inheritor o...	[ "You might like Sarum: The Novel of England by Edward Rutherford. It's set in a single location and spans prehistory through the 20th century." ]
Do gravitational waves exhibit constructive and destructive interference?	[ "Sort of. Any system which is linear, meaning that the sum of two solutions is, itself, a solution, will exhibit constructive and destructive interference. The field equations for gravity aren't exactly linear, so two waves that meet will interact non-trivially. However, we see gravitational waves specifically when...	[ "GR is a nonlinear theory, so horizons don't \"overlap\", they merge. I won't say anything about the singularity (if it exists) because it is beyond observation (science). You can get some sort of picture of what we think would happen by looking at numerical simulations of black holes according to Einstein's equati...
Why does cold water taste so much better than room temperature or warm water?	[ "Upbringing bias? If you always drink cold water you will prefer it. My daughter doesn't like cold water, she likes room temp." ]	[ "It is a matter of heat transfer. Specifically the heat transfer coefficient. Compare the coefficients of the two and you will see that your body (mostly fluid water) transfers heat energy more effectively through fluid rather than air." ]
In words like Relationship, sportsmanship, where did the "ship" come from?	[ "It's a suffix meaning \"quality, condition; act, power, skill; office, position; relation between\" [The full etymology](_URL_0_): Middle English -schipe, from Old English -sciepe, Anglian -scip \"state, condition of being,\" from Proto-Germanic -skapaz (cognates: Old Norse -skapr, Danish -skab, Old Fr...	[ "Because the Latin Alphabet did not originally have any diacritical marks (as those accents are properly called). Accents marks and umlauts were added by each language individually as they developed (which is way the same accent can mean different things in different languages), and it just happened that English di...
Why do most strongman competitors seem fat?	[ "When you want a body builders physique, you train to build up muscle, then diet to lose fat (I think they call it \"cutting\") When you diet, you always lose muscle (can't help it, its what your body does.), so after the bodybuilder lost fat, he starts growing his muscle again, and in the process also gains some f...	[ "Back then people still needed jobs, now they dont and can practice harder for longer. And science helps by showing then methods on improving motions. You cam find cool videos on youtube" ]
Why does coconut oil and other oils soak into some people's skin, and sit on top of others?	[ "Now that you mention it...Coconut oil will absorb on my upper body but just sits on my legs. It doesn't even help with the ash. You can see the ash under the oil if you look closely." ]	[ "Your body can only process a certain amount of water within a certain amount of time. Anything extra gets pushed through the system faster. Think of it like putting a bucket under a faucet and another bucket under a waterfall. Your body can only process one bucket at a time, so even though the waterfall will fill...
Why was Marijuana illegalized in the first place with no long term defects on most users, whereas Cigarettes which have been found to cause lung cancer have not been?	[ "The Timber and Nylon industries lobbied against marijuana to have it legally restricted, because not only was nylon trying to replace Hemp as a rope material on ships and with parachutes, but hemp was beginning to be used more widely as paper. Hemp grows many times faster than trees, and can produce more paper by ...	[ "Crops are a lot less diverse than weeds. When we develop a crop, we plant the exact same plant over and over again. In extreme cases like the Cavendish banana (the one you probably eat), all the plants are genetically clones of each other. So if one disease works against one plant, it would like work against th...
Why is that an ARM based processor and an x86 based processor cannot be compared clock for clock.	[ "You can't compare even different core architectures using the same instruction set clock for clock. Generally ARM instruction set is more RISC-like than x86. On average, each instruction does little less than x86 instruction. Binary sizes for ARM are little bigger than for x86 (10-15% bigger). Many other differe...	[ "C'mon this is explainlikeimfive Linux - Legos - there are sets you can get or you can just build whatever you want. Might need a manual for some things. Windows - GI Joe - Everyone knows it and there are all kinds of cool accessories for it, but still a GI Joe in the end. Vulnerable to dogs and little ...
What's the deal with Point Roberts, WA? Why not give it to Canada?	[ "Essentially, the Treaty of Oregon was signed before there had been any surveying done to see if setting the border at the 49th parallel would cause any problems like this. Once it was signed, they surveyed the land and realized Point Roberts would be an anomaly. The British Foreign Ministry tried to offer trading ...	[ "The people of Hawaii actively petitioned for statehood, and it was granted by Congress in 1959.. The people of Puerto Rico have not petitioned for statehood." ]
Why do parts of our bodies heal faster/differently than other parts of the body?	[ "There are three basic types of cells in the body: Labile, stable, and permanent. Labile cells are cells that are almost constantly turning over, including skin cells, GI tract, and bone marrow. Injuries in these areas will generally heal well because of quick turnover. Stable cells are cells that are not constan...	[ "Nobody knows for sure, is the short answer. The slightly longer but still short answer is that the best guess anyone has is that it's a temporary \"short circuit,\" of a sort, involving your long-term and short-term memory. Your knowledge of things that happened to you two seconds ago comes out of your short-ter...
Is it possible to refine iron out of Hemoglobin?	[ "Most definitely. Part of it has already been done in alchemical history, though extracting iron was not the goal. [Prussian blue](_URL_0_) is a paint pigment that's first synthesized in the 18th century. It is an iron compound complexed with cyanide ligands. It was accidentally discovered when a paint maker used m...	[ "By under paying you for your gold and sending it to a refinery, who then sends them back their choice of money, metal, or both." ]
Why do we as humans have to keep our teeth clean, whereas other animals do not?	[ "Animals will eat until their teeth have been ground down and then slowly starve to death, or at least get so weak that they get ripped to shreds by predators or succumb to disease they have no medicine for. Humans prefer to die of other things. Also we eat way more sugar." ]	[ "Because who knows what's in the cup? Bacteria, viruses, other pathogens, indigestible bits of stuff, carcinogens... it can't have been evolutionarily advantageous to have us wandering around evolving to think lapping up fallen spit was ok." ]
Whats wrong with the statement "you shouldn't mind if you've got nothing to hide" (in terms of internet privacy?)	[ "We wouldn't need any doors, curtains anywhere. .. I mean .. none at all and nowhere. And no clothing in summer. Hey! I mean DO YOU HAVE STH TO HIDE!? DO YOU NOT TRUST?? All that data-collecting only slows using the internet down. Try blocking \"gougel, analytics and doubleclick, amazon, banner, *adserver...	[ "Imagine you are made of genetic soup. Some people have ingredients that just don't go well together and make the soup taste bad. But that's ok, because when you have a kid, we just take some of my soup and some of my wife's soup and pour it in together. So even though my soup has some bad ingredients, her ingredie...
I just traveled to Russia. Instead of flying west, why couldn't we have just flown over the North Pole?	[ "A civilian aeroplane must be within 60 - 180 minutes (aircraft dependent) of an alternative airport to land at in emergencies. It's possible that the most efficient route would pass through these no go areas. For more information * [ETOPS Wikipedia Article](_URL_0_) * [Great Circle Mapper](_URL_2_) * [Your route w...	[ "It’s not a matter of which direction the electricity is flowing when the appliance is on (because it’s AC as you pointed out) but which side of the circuit is live when the switch is off. In the US, polarized plugs use the smaller prong to supply current to the appliance and the wider prong as the neutral. If bot...
Why do I act more outgoing / ridiculous when I'm super tired?	[ "Because being deprived of sleep has the same effects on the brain as alcohol does. You give fewer fucks so you're a little more outgoing. It happens to me all the damn time." ]	[ "If it isn't already in your (or the doctor's) plan - I highly recommend asking to have your thyroid hormone levels checked. Underactive thyroids can cause so many random symptoms to appear and be different from one person to the next. Caffeine is often recommended to be reduced or eliminated if the thyroid is abno...
What's the deal with the Wall Street Protests?	[ "Well son, there was a time when you could buy part of a company because you believed in them, and felt that by buying part you where helping them and that in return you would gain some monetary value due to their long term success. Now there are people and companies who trade for strict financial gain without rega...	[ "This is a very common question. You can use search to find [all the other really good answers](_URL_0_ ). This is instant, and faster than ust typing in your question every time. It's a way of cheating elections. Read the others, and then ask a more specific question." ]
Why would repealing The Johnson Amendment be bad for American politics?	[ "The repeal of this amendment would allow tax-exempt organizations like churches and non profit charities to speak out for/against political candidates. Currently, by doing do they would risk losing their tax exempt status. Basically this would provide the religious right wing to influence elections more by allowi...	[ "Greetings everyone. In the few minutes this sub has been up, it's attracting sub-standard responses. Just a reminder of a few of the rules: * no responses covering events/conditions post-1994, per this sub's \"20-year rule\" prohibiting discussion of current events * no anecdotes * no speculation OP: your question...
Why do I have weird dreams when im feverish?	[ "Fevers are caused by signaling molecules called interleukins. These molecules affect an area of the brain called the hypothalamus to change the body's temperature 'set-point' (like changing the thermostat in your house). We know that interleukins are affecting one part of the brain, so it is also possible they hav...	[ "Two social psychological concepts come to mind here. State dependent memory encoding and Erickson Arousal theory of learning. State dependent learning states that what ever state of mind you are in during encoding is the state of mind where recall would be optimal. Erickson arousal theory states that learning is m...
How do counterfeit detecting pens/markers work? What are they detecting for or the absence of?	[ "The pen fluid contains a bit of iodine. Iodine reacts with starches to produce a dark stain. Banknote paper does not contain starch. Banknotes should not acquire a dark mark when scribbled on with the iodine pen. This is [not terribly reliable](_URL_0_)" ]	[ "Kind of like data mining. Some companies will alert you if you buy something off a new website, or if the website is frequented by hackers. Let’s say you buy a bike online for $130. $130 isn’t that much money. However, people usually don’t order bikes off the internet. That’ll raise a red flag. And of course if th...
What would happen if you injected yourself with vodka or any other alcohol?	[ "It depends on how much and how pure it is. Small amounts of vodka (40% ethanol at 0.25mL/kg/hr) would just keep you drunk. Large amounts could kill you just like any other alcohol overdose can. Drinks like sherry, absinthe, wine or beer all contain things other than ethanol. The sugars wouldn't bee too much of a p...	[ "The eggs get released on schedule and you still have your period and all of that lovey mess it involves. The only difference is that the egg runs into the scar tissue/ligation point and stops. Eventually the egg just dies and is collected/reabsorbed by the body. & #x200B; As far as day to day life, as long as th...
Why are clementines most often sold in prepackaged bags or crates instead of selling them individually by pound or by quantity?	[ "Perhaps it's something local. Here in Europe they are sold both by weight and in bags, but mostly by weight, similar to most other fruits. EDIT: Czech Republic. Apparently, in Norway it's different. Some random photos found by google search \" < supermarket name > fruits\": [one](_URL_0_) [two](_URL_1_)" ]	[ "The warning labels are mandated by Californian law. The state legislature came up with a list of chemicals and passed a law that said if your produce has that chemical, it must have that warning. It has nothing to do with the properties of those chemicals being different in California than anywhere else." ]
Why do some games run on a mac but not on linux if both are unix based os.	[ "They're not UNIX-based, they're UNIX-like. MacOS is based on FreeBSD, which i a very different operating system than Linux. Furthermore, MacOS has it's own completely custom GUI and graphics APIs than Linux does. Only the very, very basic components of a game would be easy to port over." ]	[ "Many free apps have in-app purchases, and Apple gets a cut of them. But developers also have to pay Apple a (small?) amount of money to list apps on the App Store, so even truly free apps generate revenue for Apple." ]
Why is a lease not deemed "proof of residency" but any bill (like phone, credit card, bank statement, etc) is?	[ "You can create a fake lease that says you are renting a room or house somewhere, and get anyone to sign it. A bit harder to fake the bill from a utility." ]	[ "Both of these answers are mainly guesses on my part. For the white label players, the networks aren't as focused on the quality of their video players since they aren't as invested in their working correctly. Hulu and Youtube make money by having an easy video streaming service, whereas networks make money by prov...
Does every latitude experience the same amount of annual sunlight?	[ "In terms of time the Sun spends above the horizon, yes, over a year it averages out to be the same everywhere on the planet. In terms of total sunlight, though, it does not. While the Sun does remains constantly above the horizon at the poles for 6 months out of the year, the highest it ever gets is 23.5 degre...	[ "> If timezones are determined by your position on the globe Time zones are purely man-made things, and don't always line up the way you might expect. Your position on the globe is just a guideline for determining time zones. And if you look at an actual [timezone map](_URL_0_), you'll see that France and Spain...
Why are we so quick to impeach politicians for a sexual escapade, but they remain in office for a myriad of other slip-ups?	[ "we dont impeach them for sexual escapades we impeach them for lying about it in congress big difference, well documented, go read a little bit" ]	[ "Every species has evolved a reproduction strategy. For example, salmon lay thousands of eggs, with the hope that a few hundred will hatch, of that, maybe a hundred will survive long enough to make it to the ocean, and perhaps one or two will return to spawn again. On the other hand primates will only give birth t...
Why does it seem like I can "feel" the noise of nails on a chalkboard?	[ "I believe it's something related to synethesia. It's when the neural pathways are so close that they sometimes cross. Some people can visualize music as color, imagine specific textures to sounds, et cetera." ]	[ "You could have [tinnitus](_URL_0_). You should see a doctor if you want any further information, since asking for medical advice is not allowed in this forum." ]
What is the point (points) of having personal relationships or friends?	[ "First of all, we are social creatures. Most people have an innate desire to be around other people and form meaningful relationships and feel lonely if they fail to do so. Often just having someone to talk to and share experiences with is enough to make people happier. For a more utilitarian response, people are m...	[ "Your employer takes money out of your paycheck throughout the year to pay your local, state, and federal taxes. The amount they take out, however, is just an estimate how much tax you will probably owe at the end of the year. There's no way for the state, local, and federal governments to know what you actually do...
Is there a conservation of time in the universe similar to the conservation of energy?	[ "What exactly do you mean by \"conservation of time\"? Usually when we say that a quantity is conserved we mean that it doesn't change over time, but saying \"time doesn't change over time\" clearly doesn't make any sense." ]	[ "You're thinking of the two clocks as ticking like this: \|---\|---\|---\|---\|---\| \|----\|----\|----\|----\| Both in the same \"direction\", with one ticking slow, and, therefore, necessarily, one ticking fast. But relatively-moving clocks in special relativity don't tick like that. They tick along different \"directio...
Why do we forget the world and our lives when we dream?	[ "The part of the brain responsible for critical thinking isn't active in dreams. That means anything at all will make sense, even reliving parts of your life you're years beyond now." ]	[ "What you're overlooking is all of the sensory data that we intake at all times, if we set our brains to record in 100% detail in regards to sight and sound we'd have to cease other functions. Basically we don't have the RAM for that" ]
Before we cut our fingernails, what was their purpose and how long would they typically be?	[ "The fingernail helps the pad of the finger to maintain grip (it prevents it from rolling) so they still serve a function. They also represent the remnants of claws from our ancestors of course. Typically nails would not have grown terribly long in ancient times due to the large amount of manual labor the typical p...	[ "Specializing helps with optimization. Cows can't eat meat, but their teeth and multiple stomachs are ideal for eating grass. Humans have to have sharp teeth for meat and grinding teeth for plants and our digestive system is inefficient at processing plant matter. Versatility is obviously useful, but there are trad...
What is the "core-satellite" investing approach?	[ "Basically, you split your investment portfolio into two groups - core and satellite. The core part is the largest and usually consists of safe, passive, dividend-earning investments. It probably won't beat the market, but it will grow nicely over time. The satellite portion of the investment is smaller and is wher...	[ "Hey all, lurker turned member here. Saw this and couldn't not put my two cents in. I'm an LPG contractor for Calor in the UK, and I've had insight and heard a lot of details in a lot of meetings over the years. Simple answer? Oil, as we are all so constantly reminded, is a finite resource. Why use your own when yo...
Why is red light supposed to give you better vision in the dark/at night?	[ "The human eye is relatively insensitive to red light, which means that when the only light source is red, your pupils don't contract as much, and you retain more night vision than with other colors. Thus, while a bright white light used at night might let you see things nearby very well, it constricts your pupils,...	[ "Special cells in the kidneys, called peritubular cells, sense that the level of oxygen in the blood has decreased (due to the loss of red cells) and start secreting a protein called erythropoietin. This passes through the bloodstream until it reaches the bone marrow (the soft fatty tissue inside the bone cavities)...
if there's no up or down, and therefore no horizontal, in space, why are all the planets orbiting the sun on the same 'level/plain'?	[ "AFAIK they actually are all on the same plane. The reason lies in how our Solar System planets formed: they were like a disk of matter around the Sun (therefore on a single plane) and formed from that, so they lie on the same plane. But why a disk, you ask? That’s because, at first, there was a cloud of dust. T...	[ "You've stumbled upon something called Parity. Parity is basically a word that describes the fact that you can rotate your right and all day long, but it will never be like your left hand. Nature has a certain kind of handedness! Moving charges interact with one another depending on their direction of travel and th...
We have different types of speech in different parts of the world, do animals as well?	[ "[Similar question from a few months ago](_URL_0_) Birds, whales, dogs and possibly cows have been found to have \"regional accents\". I imagine the rarity of a tiger makes studying something like this a bit difficult but I wouldn't be surprised at all if they had 'accents' as well." ]	[ "Sort of. As you can see in Jurassic park 3, they can find out the shape of the voice box and get an idea of the nature of their vocals. They probably couldn't work it out exactly, and a lot of Jurassic Park is sort of filled in gaps." ]
NMW (or anyone else) Why was Charles I of Austria "so tits"?	[ "Just a quick note to Wagnam and anyone else waiting that I've updated the original post with the desired answer." ]	[ "Is this a homework question? It says in our [rules](_URL_0_): Our users aren't here to do your homework for you, but they might be willing to help. Remember: AskHistorians helps those who help themselves. Don't just give us your essay/assignment topic and ask us for ideas. Do some research of your own, then come t...
Does gravity have a range?	[ "No, gravity affects any object, no matter the distance. But at some point, it will not be noticeable at all. When talking about \"zero gravity\", you probably mean a space station or something. First, usually the term is \"micro gravity\", and second, there is quite a lot of gravity out there. The astronauts don't...	[ "This was covered in my Biology class. I don't remember the exact height (although I thought it was somewhere in the 300s), but there was a number of feet after which the capillary action was no longer strong enough to draw up the liquid required." ]
askscience, I need some help	[ "A de-ionized water rinse, followed by several days in rice might be able to clean off the stains behind the screen. I would recommend [doing a breakdown of the device](_URL_0_) rather than just rinsing it off. Make sure you do deionized water, and not distilled or tap. I've saved an old-school Archos player this ...	[ "I believe the answer is Moore's Law, which you can learn about in this handy dandy wikipedia link I'm about to post and the only reason I'm still typing is that even though nothing more than a link to the page is necessary to answer your question, the stupid reddit rules for ELI5 require a certain amount of charac...
How do search engines like Google search through so much data so quickly?	[ "Google itself explains it on [this](_URL_1_) video on youtube. [This](_URL_0_) one is also good (also from Google)" ]	[ "They calculate with what a average person would eat (because jot everyone eats tons just because it's all you can eat) and choose a price after that calculation. There are also person who don't eat much (old people e.g.)." ]
Why does having a clogged nose affect your hearing?	[ "Both your ears & your nose are connected to your sinuses. Sinus congestion can sometimes block the little tubes that connect your ears to your sinuses, impacting your hearing." ]	[ "you waled through magnetic field, magnets are what make speakers work the field you walked through interfered with the speakers in your headphones." ]
What do the gauges on a shotgun actually represent?	[ "Gauge doesn't really mean power...that is decided by the charge [amount and type of powder behind the wadding, which is behind the shot]. Gauge means SIZE. Caliber refers to a fraction of an inch.... .50 caliber is half an inch in diameter. Gauge means the number of lead balls that size that it would take to make ...	[ "Playboy is a household name. 0G Juggs isn't. One looks good on any modeling resume (not to mention the contacts), the other is kinda limited." ]
Why is the Washington monument not a statue of George Washington?	[ "There was a competition to decide the design. The winning design was a hugely tall stone obelisk topped with a statue of Washington, oddly enough. However it was deemed too expensive ($1,000,000 in 1845!), and so the design was cut down to the obelisk only." ]	[ "[The Straight Dope covered this](_URL_0_). Basically, they started out as being made by two different production teams, but after a certain point, they became essentially interchangeable, but they kept both names going." ]
Venus and Mars both have atmospheres of ~96% carbon dioxide. So why are the planets so drastically different?	[ "Venus has a very thick atmosphere (about 90 times the mass of Earth's), and mars has a very thin one (100 times less than Earth's). Venus' thick atmosphere traps a lot of heat and puts a lot of pressure on its surface. Mars' is too thin to have the same effect." ]	[ "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...
How violent were pre-discovery Maori?	[ "Perhaps a little off topic, but I encourage you to look into the Moriori people of the Chatham Islands. Originally believed to pre-date the Maori, we now believe them to be a group of Maori who settled there in around 1500. What is most fascinating about the Moriori is that they lived under a code of non-violence...	[ "Sort of how hawaiis volcano is not particularly dangerous as it constantly and very gradually errupts. Good question, i would love a geologist to point out all the unidentified variables etc" ]
If Miranda states you have the right to remain silent / seek attorney , how come more often than not, the accused will consent to a willing interview with investigators. Are their consequences for remaining silent?	[ "No, there are no consequences for remaining silent. people are just dumb. Most people think that they have the ability to talk their way out of their legal situation, which is wrong. If the police truly think you are guilty nothing you say will prevent the cops from moving on with their prosecution. All talking do...	[ "Captains deliberately going down with their ship is rare. There is a big difference of \"go down with the ship\" and \"being the last man to leave\". The first is more a military thing, based on honor. Some Japanese captains did this in World War 2. Last man to leave is entirely practical, to show that the captai...
What's the significance of Planck's Constant?	[ "The energy of a quantum of light (a photon) is related to its frequency. The higher the energy of the photon the greater its frequency hence their relation ship is linear and increases at a rate equal to Planck's Constant. Edit: This is one of the foundations of all quantum mechanics as we are treating photons as...	[ "I've asked this before but I will again. Peter Hagendorf was a soldier in the Thirty Years' War who kept a famous diary of his service that seems very unique but I'm completely unable to find any English translation of it anywhere either online or in print. Do any Thirty Years' War experts know where I could find ...
Do animals get sexually aroused when touched like humans do ?	[ "They can yes. My dog on his own has sprouted an erection just scratching his belly right and he's been neutered for the last 4.5 years." ]	[ "Kind of. They have pits in their upper lip that almost work like an eye without a lens. Heat from low in front of them registers in the upper part of the pit, heat from higher up in the lower, etc., so they can sense where it is coming from without having to see it visually." ]

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