Subset (10)

eli5 · 25k rows

Split (1)

train · 25k rows

query stringlengths 20 300	positive listlengths 1 1	negative listlengths 1 1
Why do children often hate food adults enjoy and vice versa?	[ "Cell death. This is really simplified, but basically our taste buds are highly specialized nerve cells. As we get older, more and more of these cells die off without being replaced. In effect, adults aren't able to taste foods as strongly as children, and so have a broader palette." ]	[ "I think we develop a \"been there, done that\" mentality in ways. I can not watch cartoons now. No matter what the topic. The irony is I just can't pay attention to cartoons." ]
Why does playing any two black piano keys sound nice while playing some 2 white piano keys doesn't?	[ "We hear certain intervals as dissonance. Intervals such as a 2nd, 7th and an augmented 4th (tritone) create this dissonance. The only real dissonance you can create by playing two black keys on a piano are a 2nd or a minor 7th (not as dissonant to us as a major 7th). So basically, black keys give you fewer opportu...	[ "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...
What are stretch marks and how do they form?	[ "They form when your body grows larger quicker than your skin can grow. For example when a person goes through an overeating phase causing them to go fat. Could also happen if you buff yourself up with non-stop workouts and steroids, or if you just happen to grow fast in puberty" ]	[ "A really good (though long) explanation is here: [_URL_0_](_URL_0_)" ]
Why do two similar movies come out at the same time?	[ "in the case of \"antz\" and \"a bugs life\" i know that the writer changed studios and wanted to keep his idea that he already gave his old company. so he did a very similar movie at his new job. i guess in this case it was just a guy who really wanted to make a movie about animated ants." ]	[ "It's all about the money. You need to make your overall schedule generate maximum profit. You could potentially put on a show with worse viewership, if its much cheaper to make. Or put one on with great viewership at a higher cost, if the viewership is high enough. You gotta look at all the factors, then look at e...
Friday Free-for-All \| October 14, 2016	[ "AskReddit just asked \"How are you a snob,\" so--dear AskHistorians community, how are you a history snob? Did you go ballistic on a co-worker for mentioning Dan Carlin? Did you go ballistic on a co-worker for mentioning that they read Herodotus...in translation? Throw an otherwise-brilliant academic book acr...	[ "Hi there, I've approved this question but you may want to reword it so the question is actually in the title. Most of our flaired users have alerts set up that search titles for keywords, that one isn't going to get you anywhere unfortunately :-)." ]
What makes us stop from rolling out of bed while we sleep?	[ "You falling out as s kid multiple times and your subconscious integrating the fact that you sleep on something elevated. There is a level of consciousness, yes." ]	[ "There are a few factors at work here : Moſt chairs are deſigned to ſit at about knee height ; they generally ſupport your back, and more importantly, your butt and legs. Toilets are uſually lower, and they are made with a large hole in the middle, into which you ſink a little. This lower height, lack of ſupport,...
when commercials say "Next 20 callers will receive..." How do they keep track of that?	[ "They don't. It's just a ploy to trick people into calling immediately rather than thinking about it first." ]	[ "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...
Does a brown dwarf have a habitable zone? If so, do they last long enough that life might have a chance to evolve in orbit around one?	[ "Yes, it's theoreticaly possible. For instance, a brown dwarf with 3% of the sun's mass would have a habitable zone 2 -3 times the star/planet's Roche radius. With smaller dwarfs, the habitable zone would fall within the Roche limit, so it must be sufficiently large to prevent this. Also, brown dwarfs fade relative...	[ "Ok, so can somebody explain exactly how we all die in the event of a GRB direct hit? I mean, is the energy so high that the earth is \"turned to dust\" in it's wake? Does it bathe us with radiation so heavy that we all like \"microwave\" instantly?" ]
Why do prescription drug commercials in the US always show people having fun while reciting serious/fatal side effects?	[ "They are required by law to list side effects. However, they want the commercial to end with you feeling good and wanting to get a perscription for the drug. As such, they use positive images and pleasant music to keep your mood up and offset the psychological impact of listing the negative side effects" ]	[ "You may have noticed that you can buy off brand cereal at the store for about half the price of the name brand stuff. As a kid I remember getting \"Lucky Charms\" in a big bag, no box. I forget what they called them, but they tasted exactly like Luck Charms. The difference is the packaging and advertising. Lucky ...
Slavery is slavery. But what was the difference between slavery in the United States and slavery in the older times like the Romans or the Muslims?	[ "One of the biggest differences to modern eyes is that in the ancient world ANYBODY could be enslaved; it wasn't exclusive to one race. The Norse kept slaves, and these would often be captured during raids, not only on Ireland and other foreign countries, but also in other part of Scandinavia. This meant that a sla...	[ "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...
Why is England named after the Angles?	[ "Hi, /u/Searocksandtrees has already linked to my answer on this question, but it's worth pointing out that as much as the Saxons seem to have left their legacy in place-names, the Kingdoms of East Anglia, Mercia and Northumbria were all broadly speaking ethnically Anglian, and all at one point held the status of *...	[ "Who says these are translations? For example, the \"Home Alone\" vs \"Mi Pobre Angel\" title change is a choice by the studio. The meme of latchkey kids isn't as common in Latin American countries, so a \"Solo En Casa\" title wouldn't have worked. Calling children angels in America would be mostly sarcastic, thoug...
When you spray compressed/canned air, what is the liquid that comes out when excessively sprayed?	[ "When you compress any gas, it turns into a liquid. Liquids are basically incompressible, so liquid state is the best storage you can get for that chemical. When you release the pressure, the liquid quickly evaporates back into a gas, but evaporation uses energy, and that energy usage cools the gas very quickly. ...	[ "To perform tasks computer programs must allocate certain amounts of memory to them. An application is usually composed of many different smaller programming sequences and those programs each will allocate a certain amount of memory to them, do whatever they needed to do, then release the memory to be reassigned. T...
What is the fastest speed humans can travel in space right now?	[ "(I assume you mean relative to fixed points on Earth). About 7.8 km/sec. \"What is the fastest speed humans can travel in space in a few years if they start working on it now?\" is a very different question. Diving into the rocket catalog, a mercury capsule on top of a Centaur on top of the two Titan upper stages...	[ "Venus and Mars are both within the Earth's habitable zone so we have plenty of time, hundreds of millions of years. Larry Niven had a neat idea in A world out of time where one of the minor gas giants (Uranus or Neptune) is turned into a rocket engine by floating a huge fusion reactor/engine in its atmosphere. T...
Why is "Country Fried Steak" sometimes called "Chicken Fried Steak" if it contains no poultry ingredients?	[ "When something is \"chicken fried,\" it means that it has been fried in the same manner that one would fry a chicken." ]	[ "Others have already answered the actual question so I feel like I can be a little pedantic. A meteorite will not leave a contrail because it's not a meteorite until it's sitting comfortably on the ground. We have these three similar words that mean slightly different things. Meteoroid is the smallish piece of roc...
Why has Delhi, a deeply inland city, managed to grow so big and become the capital of India?	[ "> In the early 13th century the city passed into the hands of five successive Turkish and Afghans dynasties of Delhi. They built a sequence of forts and townships. > Delhi came under the British control after the Indian Rebellion of 1857. The British declared Calcutta as official capital. But in 1911 Delhi was ag...	[ "We didn't want any one state to have the Capitol located within its boundaries. Previously Philly & NYC served, but that offered potential conflicts. By locating the capitol between two states (Maryland & VA), and making it autonomous, it essentially provides an additional check & balance. Something our system is ...
Why are some physics "theories" (hypotheses?) like the multiverse so popular despite being untestable and having no evidence?	[ "I guess it's a legitimate concern that people might get the idea that multiverse is as well-established as relativity, that is true. But I feel that we should be careful about actually stigmatizing untestable science. As long as the things you study are reasonable, even if there is an unfortunate inability to veri...	[ "If you know the full Hamiltonian for your system and the initial state, you in principle know how the system will evolve for all time. The time evolution is governed by the [time-dependent Schrodinger equation](_URL_0_). However you don't necessarily know what the results of measurements will be. For example, if y...
Would it be possible to consume just the nutrients your body needs, and not leave any waste?	[ "No. For one our body is not 100% efficient at extracting nutrients, and our body has waste products that it produces in its various biological functions that need to be disposed of." ]	[ "Right now it the closest we have gotten is using artificial neural networks. _URL_0_ It isn't quite as complex as mapping all of the synapses in the human brain. Basically we can make a neural network, and by feeding it a set of inputs and the correct output, we can teach it what kind of output we want in the futu...
What causes depression and why are some people more susceptible to it than others?	[ "I was one of those dickheads that always said I don't know why people rely on antidepressant medication because it is all in their head. My girlfriend of 4 years left me without notice. I haven't been able to get out of the black hole they like to call depression ever since. I have been through break ups and famil...	[ "The behavior that you're looking at is chemistry. Chemistry is almost entirely governed by how the electrons of one atom interact with the electrons of another atom. There are certain arrangements of electrons that are very stable, while other arrangements are unstable—it takes a lot of energy to get to that state...
Do giraffes get struck by lightning more often than other animals?	[ "Thanks for all of the info, guys. I posted this after waking up from a dream in which giraffes were being struck by lightning, of all things." ]	[ "My suspicion is that there are a number of observational biases creeping in. Firstly, _URL_0_ ^^ population density map. You see there's a very significant correlation. As a nice demonstration of how observation number may not correlate to number of finds, have a look at this list. Look particularly at antarctica....
How does a impact kill someone INSTANTLY?	[ "The impact rattles the brain in the skull, effectively ending all activity immediately. Heart stopping is NOT death. Cessation of brain function is." ]	[ "You cannot travel at the speed of light, so this question becomes pseudo-scientific. But let's say you were travelling really close to the speed of light. Like really, really close. Like 99.999...999% with a billion, billion 9s after the decimal place. Then yes, what you say is correct. To you, the journey...
Why did Margaret Thatcher hate Nelson Mandella?	[ "Thatcher was a hardcore anti-communism Cold War conservative. Mandela was a part of the African National Congress, an often militant anti-apartheid organization with ties to communist parties. The ANC sometimes resorted to violence, and was known killing blacks who collaborated with the gov't, sometimes publicly ...	[ "Or would you put it down to factors such as the Army, Parliament, the Major General rule, religion at the time?" ]
Did peasants in medieval Europe ever criticise feudalism, or have widespread disdain for the government similar to what Europe has today?	[ "A lot of political criticism today involves comparison between governments or philosophies. Before the printing press/mass literacy, how many people would have even known of alternatives to feudalism?" ]	[ "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...
What power does the British Monarchy actually hold? Versus the Prime Minister and Parliament more specifically. What can or can't they do with it without the permission of Parliament or the Prime Minister?	[ "The British Monarchy is a great example of the \"de jure\" (\"matter of law\") vs. \"de facto\" (\"matter of fact\") distinction. The Queen holds power de jure. The government is run in her name and on her behalf. She appoints Prime Ministers and criminal prosecutions are brought in her name. But Parliamen...	[ "'Twas very oft asked here. Ye may enjoy these: 1. [ELI5: Differences between or roles/duties of police, sheriff, state police, US Marshalls, highway patrols etc. ](_URL_4_) 1. [ELI5: The difference between Police, Sheriff, Constable, and State Trooper. ](_URL_2_) 1. [ELI5: What's the difference between Police, ...
why do they sometimes put square brackets around words in sentences or paragraphs?	[ "> [W]hy do [journalists] sometimes put square brackets around words in sentences or paragraphs? There you go. That's why it's done. I've modified your quote but preserved the intent, and I marked the parts that I've modified with square brackets. Another use you'll see is using [sic] to indicate that a misspelling...	[ "There are authors who claim the practice began during the colonial period as an early \"mens\"/ \"ladies\" designation for an illiterate populace (the sun and moon being popular symbols for the genders during those times). The book : The Little Red Schoolhouse: A Sketchbook of Early American Education has the fo...
How do microphones on my computer or phone ignore their own speakers while hearing my voice?	[ "Sound works like numbers. If I give you 3 apples and you give me 5 apples back, I can just subtract 3 from 5 to know that you added 2 apples to the pile. If I play a sound while you record a sound, I can just subtract what I played from what you recorded to find out what you said." ]	[ "Two plates that almost touch. Good for holding charge because electrons are attracted to the positive end when they are \"pumped\" into the negative end. A condensor mic has a capacitor with both terminals attached to battery which keeps the Capicitor charged. The charge a Capicitor can hold is based on its plates...
Why do I get a headache from sleeping in too late?	[ "Possibly dehydration. We all know that lack of water can cause a lot of things to go to whack in the body." ]	[ "Melatonin. It's a hormone that relaxes your body and by the time you wake up your body is full of it." ]
When did a stigma become attached to drunkenness?	[ "Ever since alcohol was created there was a stigma behind it, even in ancient egypt there was a stigma for it. Correct me if I'm wrong, but pharaohs didn't drink alcohol since they believed it brought out the demons from inside us. Also another example are the Aztecs, who forbade people from drinking until you wer...	[ "_URL_0_ study linked in other link _URL_1_ page 1136 has the key graph world war 1 and 2 had a pretty major impact on getting a generation of americans to keep a clean shaven look forced on them by the military. for this i'm assuming politicians aren't any different from the normal man. interestingly the safet...
Why do doctors tell us to not eat after we brush our teeth and vice versa?	[ "Basically because we attack the coating on our teeth with acids. If you 'rub' those in the damage done could be much worse. This is After you eat , not before , that doesn't matter." ]	[ "Because some updates require prior updates before they can be installed. Can't put the second floor on before you build the first." ]
What are the best secondary sources on Early Irish History?	[ "For background, 'Early Christian Ireland' by T.M. Charles-Edwards is pretty good. It covers from Christianisation to the beginning of the Viking period. I haven't read it myself, but I've also seen 'Early Medieval Ireland' by Dáibhí Ó Cróinín recommended. It's shorter, and covers a longer period (400-1200), but t...	[ "Way too quiet in here! Everyone seems to be watching the World Cup... A technical question: How does everyone search for book reviews? Is jstor's search usually comprehensive enough when it comes to history/humanities journals?" ]
On binge eating: will you experience the same weight gain/loss if you eat 7,000 calories in one day as much as you would if you spread those calories over a 7 day period?	[ "Eating a proper meal always results in a thermogenic response, i.e., your metabolic rate increases slightly as your body deals with the nutrients. There is some evidence that overfeeding may induce a larger thermogenic effect as a means to dispose of some excess calories, particularly if it's carbohydrate because ...	[ "Couple things to consider. First, when you get tried in court, prosecutors will try to get you convicted for every crime you committed, not just the biggest one. So you may be on trial for murder, but also assault, battery, kidnapping, brandishing a weapon, etc... You may be found guilty for any number of them, a...
can a one sand pebble become a boulder?	[ "Yes it can. Sand is a sediment. So all you need is for that sand to be incorporated into a rock. Now, in all likelyhood the beach is not going to be preserved, as they are fairly ephemeral geologically speaking, and the sand moves on and off beaches pretty regularly. But as it gets abraded down a bit finer, it may...	[ "Well first you would probably be arrested. But millions? Thats like adding a drop of water to a pond. Sure itll ripple for a few seconds but then its like nothing ever happened." ]
Why is typically considered worrisome when a baby doesn't cry/make noise after being born?	[ "When the baby is still in the mother it floats I'm a sack of fluid and breaths that fluid in. When they are born they need to get that fluid out so the baby can start breathing air and doesn't drown since they are no longer receiving oxygen from their mother. Crying is a sure sign of breathing so if they are not c...	[ "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...
What exactly is being depicted in the oldest known surviving camera photograph?	[ "Niépce's house is now a [museum](_URL_1_) and photography is not allowed inside, so unfortunately there is no modern photograph of the view from the window that I can find. That said, [on the website of the Harry Ransom Center](_URL_0_), you can see a sketch done by the historian Helmut Gernsheim, who rediscovered...	[ "Here is the [skeptic]( _URL_0_) discussion on the matter. Basically it's a fetus. Also it's from the Daily Mail, the internets version of a tabloid, they just make shit up." ]
If a piece of iron was heated with induction where would it go when it melted ?	[ "I've seen that video before, the power to the coil was cut." ]	[ "The only thing that governs whether something floats or sinks in something else is the density. Almost all substances, liquid water included, have a positive [coefficient of thermal expansion](_URL_0_), meaning as they warm up they get less dense, and vice versa. Warm water \"floats\" above cold water because the ...
Is it possible to kill a house fly with a static charge that you have accumulated?	[ "Well you can accumulate a voltage of between [1000 and 10000 volts](_URL_0_) with static electricity and most electric fly swatters have a voltage of 1500 volts or less, so I would assume it is safe to say that a fly could be killed with a static charge." ]	[ "I've actually built one for a science fair before. I used _URL_0_ as a reference guide: _URL_2_ _URL_1_ It worked, but know going in that you will not get a huge amount thrust. Your setup would probably do better, but it will still most likely not be a lot. What I ended up doing that had a more striking visual eff...
Explain like I'm a smart 12-year old: What is a simulacrum?	[ "A representation of a person or thing. Usually a statue or object in the likeness of a person or a god." ]	[ "Muggles aren't allowed to create new words because then dementors, squibs and mudbloods alike would stop playing quiddich and apparate to the editors office in order to stop the horcrux-of-a-crime of inventing new words." ]
How are the Antiderivative and Definite Integral related?	[ "Suppose you have a function f. For clarity assume that f is positive for all x. Now let F(a) = area under graph of f between 0 and a. How fast is F increasing? Its rate of increase is exactly the \"height\" of the area bounded by f and the x axis at the point x=a, i.e. f(a). This shows that F'(a) = f(a)." ]	[ "Not just similar, identical. Einstein showed that there's no difference between the force of gravity on a surface and the force produced by acceleration." ]
How do "clean rooms" work in regard to disease?	[ "One of the most important parts of handling biological materials is to preserve positive pressure where the operator is working (whether that's inside a suit or outside a glovebox.) This means that any leaks result in some of their air going out to where the sample is (which is mostly tolerable in small amount...	[ "Influenza is sorta a catchall for a massive range of bugs. These bugs are constantly changing finding new ways to spread as far and wide as possible. These little buggers are easy to stop, which is why we have a reasonably effective vaccine with the annual flu shot. However, because there is so many of them and th...
Why do Americans have to call themselves African-American, Irish-American or Something-American?	[ "American here. We do this because we're taught to think of the US as a nation of immigrants, i.e. none of us are native to the land we refer to unless of Native American descent. We all recognize the bond we have as countrymen but we also take pride in our ancestral roots that brought us here in the first place. T...	[ "Horse meat isn't rare at all. You can get it in many parts of europe. Tastes ok too. Anyway, that's culture. The same reason we think that bacon and eggs is a breakfast food, and don't eat grasshoppers." ]
Why do new "odors" have greater strength when first smelled but the longer you smell the more you become oblivious to it.	[ "New Smell: \"Hello\" Brain: \"Holy shit...do you have the potential to cause me harm?\" New Smell: \".....\" Brain: \"Hey...I asked you question!\" New Smell: \"....\" Brain: \"Meh\"" ]	[ "People are very bad at assessing long term risks. We haven't evolved to handle dangers and risks of long term activities. Even though we intellectually know the risks, it is hard for us to translate that intellectual knowledge into behavior, as it does not tell our instincts that it is dangerous. We instinctively ...
Does our intelligence and constant innovations in technology undermine the human species process of evolution?	[ "Not at all. Evolution should modify humans to be better adapted for our environment. Just that technology will play a role in our environment as well as \"natural\" influences. Also, evolution doesn't have a \"goal\", so it can't really be \"undermined\". However, if humans from a highly technological society were...	[ "The foods one I can answer. We evolved to like high caloric foods because we needed the calories when we were struggling to survive. Thus fatty or sugary foods taste good to us because it used to be great to eat them. Well now it's too easy to overindulge and weve made processed foods that have way more fat or sug...
Why do people kill horses almost immediately whenever they break a leg?	[ "As an add-on to 99trumpets' comment, one reason for the horse's leg's weakness relative to their body weight is that humans have selected horses that can run very fast. This artificial selection means that horses that would have otherwise not reproduced (due to broken legs and the like) survive and are bred again ...	[ "I'm a journalist. I can tell you straight up : it's for audience. These videos create shock, which is the best hook television news has over the viewer. The whole ethics speech they'll give you about people having the right to see it is BS. Television is a business, news or not, sadly. This is even more true in th...
How do people who fast/don't eat or drink for longer than usual people not die?	[ "> Eg: like that indian bloke that didn't eat for 70 years. Spoiler alert: He eats just like anyone else. He claims not to eat, but that claim is ridiculous. There were two \"tests\" performed, but the first showed that he lost weight during the 10 days that he was being monitored, and the second test allowed him...	[ "Blood doesn't rush around your body in one big tube. What happens is the blood vessels split and become thinner and thinner. Think of a fan where the bottom is the main artery which splits into finer tubes called capillaries. This splitting happens all through your skin, so there are millions of very fine capilla...
Would traits from a sex chromosome disorder (i.e. XYY syndrome) be passed on to offspring?	[ "From what I've read, yes it is possible for you to pass this trait along to offspring. [ref](_URL_2_) [Here](_URL_0_) is some more information for you or anyone interested in this condition explaining what causes it and the symptoms associated with it. Have you spoken with a genetic counselor? A [board certified ...	[ "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...
How do humans acquire a taste for things such as wine, beer and coffee	[ "The palate changes with age. Bitter is a particularly bad flavor to young people. This is supposedly because poisonous plants are often bitter, so we evolved to dislike that flavor in our youth. Also your enjoyment of the beverage is only partially tied to its taste. It's color, smell, intoxicating effects, and y...	[ "It's dopamine and desensitization. Game Theory did an excellent video on this when he explained why people get addicted to video games. Basically, it's like this: You drink your favorite soda/play your favorite game/listen to your favorite song, and you get that rush that makes you like it so much. Over time, your...
Why were cars like a brand new 1969 Z/28 camaro affordable to middle class, but now they're so expensive, only affordable to the upper class.	[ "The z28 of the 60s and the new one aren't the same class of car. The z28 back then wasn't top of the line but the brand was well liked, so now gm names the top of the line z28 for marketing. Not to mention all that goes into a car these days. If it was profitable for them to sell them cheaper they would, because t...	[ "It depends on what you mean by an actual conversation, and im going to assume your speaking English. 1600's was the time of Shakespeare, and im sure you read some of his plays. In that time period, if someone said something, you would need to digest it before replying, and thats still considered modern English. Ev...
Why, during American revolution, if gorilla warfare was effective, did the continental army still face off the british with line tactics.	[ "Because line warfare was a very effective tactic to employ in conventional battles. Guerrilla tactics were effective, but not in achieving the same goals that winning a conventional battle would. At some point, you've got to fight straight up." ]	[ "A half answer, and half question, but what part of the first section of the film do you not think is present anymore? The arc follows a training company through Marine Basic Training at Paris Island South Carolina. And for the time it depicts relatively normal portions of training. And still does today, close orde...
Compared to the Soviet Union, Yugoslavia had a rich history of rock and roll music. What are the reasons for why it developed in Yugoslavia whereas it didn’t develop in other communist countries?	[ "here's a very comprehensive answer by u/commiespaceinvader to a question around music in Yugoslavia a while ago: [_URL_1_](_URL_0_)" ]	[ "Uruguay may be more progressive than a lot of other Latin American countries, but it's not alone in same-sex marriage (its neighbors Brazil and Argentina also recognize it) and lax marijuana laws (Colombia, Brazil, Venezuela, and Argentina have decriminalized it). They do appear to be alone in abortion on request,...
In a calendar year is it 50/50 daytime/night time?	[ "It really depends on how you are asking. If you are refering to the planet as a whole then yes, the amount of sunlight is equal to the amount of darkness in a year. However, if you are comparing different points on Earth then no, the numbers are not equal. For instance, Juno, Alaska has about 15 minutes, give or t...	[ "It’s a lot more of a principle that’s been born out by data over a long time and many tests than something that justifies itself in explanation. It helps to just think of it as the “80/20 rule.” It’s supposed to apply universally, such as 80% of all events are triggered by 20% of all possible causes. But the most...
Is there an upper limit to the size of a black hole?	[ "Basically what they're saying is that processes in the accretion disk limit the rate at which mass can enter the black hole--basically throwing more mass at it will not cause it to enter the black hole any faster--and if you assumed that a black hole had been gaining mass at that maximum rate since the start of th...	[ "If something enters the Schwarzschild radius, it's not coming back out again." ]
What is happening internally to make weight loss so beneficial? How does losing weight when obese improve health & obesity-related conditions like insulin resistance etc.?	[ "A lot of great answers. I wanted to share some gynecology perspective: Adipose tissue is hormonally active. It converts androgens (like testosterone) into estrogens. High estrogen levels disrupt ovulation and cause ovarian cysts (hence polycystic ovarian syndrome's association with obesity). They also encourage en...	[ "Yer not alone in askin', and kind strangers have explained: 1. [Eli5: does it even matter if the food we eat is \"organic\"? ](_URL_5_) 1. [ELI5: What is the difference between organic and non organic food? Is it worth the price difference? ](_URL_1_) 1. [ELI5: Why is \"Organic\" food more expensive at the grocery...
Asian exploration of America	[ "Asian cultures did expand into North America. Migrations from Sibera and Alaska were particularly notable. The Thule started colonizing Dorset lands as late as the 1200s: _URL_1_ There are no written records of any of this, so it has to be pieced together through archaeological evidence. No ones even really sure ...	[ "I don't think so. He takes a historical proposition that is hard to dispute--that Europe, and particularly Britain, dominated the world after 1800--and tries to work backwards from that. Ignoring the reality of European dominance won't make it go away. That being said, his thesis doesn't explain anything and is de...
How do bovine gain so much muscle when all appear to eat are plants?	[ "There's plenty of protein in plants, they are just much better at getting it out than us." ]	[ "Posting from a phone, so won't have any relevant sources, but there was a lot more oxygen in the air. The same reason insects could grow to such huge sizes." ]
Why do programs sometimes refuse to close?	[ "It could be caused by a blocked process waiting to acquire a 'resource' held by another process. Until this resource is acquired, the program wont be executing a terminate process. Same as deadlock situation." ]	[ "How old is your computer? From my personal experience, I've found that its not necessarily the computer that is getting slower... Its that the applications that I'm trying to run simultaneously are getting more advanced over the months and years. Buying a computer in 2007 and running Office 2007, '07 websites on ...
How do chemicals like formalin or formaldehyde preserve organic specimens in jars?	[ "When body parts decompose it is because they’re being broken down by bacteria Formaldehyde and other embalming fluids work by “fixing” the cells such that the bacteria can’t break them down. It does this by reacting to connect the primary amine group in a protein to a nitrogen of another protein or DNA molecule."...	[ "They don't really. The chance of that stuff actually happening to you is practically nil - but if it does, from a legal standpoint you were warned in advance. From a medical perspective they probably have ways to tell that a certain mixture could have some side effect without needing actual cases of the effect o...
Why do gas prices rise and fall at what seems like random points?	[ "It’s based on the price of oil. The price of oil is based on a lot of things, but simply put, supply and demand. As the global population grows, so does demand. As technology advances, so does supply. Depending on which of these is progressing faster you’ll see the price of oil and therefore gas change. Furtherm...	[ "The Universe is a dynamic place. Stars have been observed to move around, some quite fast. We have seen a number of [supernovae](_URL_6_) throughout the centuries, including many in other galaxies in more recent years. [Supernova 1987A](_URL_3_) has changed since we first saw it (this is really the post-supernova)...
how are we able to "hold it" if the urinary tract is composed of smooth muscles?	[ "We have 2 sphincters, the internal which is smooth muscle, and the external which we are luckily able to control. This redundancy allows us to control when we go, not just let it out once enough pressure builds up. Our bladder actually has sensors in it that activate well-below maximum capacity, so its our externa...	[ "For dudes. Guys rarely lift the seat in public bathrooms and that little space that's open is where the majority of piss would dribble onto." ]
If we can't filter microbeads, why aren't they in our drinking water?	[ "They're not filtered by the equipment used for treating sewage before releasing it back into lakes/rivers, but they are filtered by the equipment used for cleaning drinking water." ]	[ "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 ...
Is my car engine more efficient on hot or cold days?	[ "You're probably going to get answers about Carnot efficiency but they will be wrong. Car engines are incredibly complex machines and are limited by a ton of factors before Carnot efficiency. Real world efficiency drops during the winter, but I am not qualified to talk about why" ]	[ "Nervous system is all about the action potential in the neurons. All neurons signalling is an active chemical function. Energy is required to produce this function, and as a result lower temperatures drive down the energy available for the reaction to occur. This also happens in cells, making it impossible to main...
Who actually pays for things that are fraudulently purchased?	[ "The bottom line answer, though, is the rest of us. If the vendor takes the hit they just have to raise prices to offset losses. If the bank/credit card company takes the hit, they just raise fees or interest rates. If an insurance company takes the hit, same thing, they have to incorporate losses when coming up ...	[ "Some of the new point of sales systems have this option (print, email receipt, or no receipt). But many of the older point of sales systems automatically print the receipt regardless of what the customer wants. The manufacturers certainly can update the software to have this option, but it's not a huge issue for t...
[Sponsored Content] How does homeopathy complement standard medicine? In what ways does it replace it?	[ "The fact that homeopaths don't have to go to all the trouble of getting a medical degree and other academic \"qualifications\" is a great time and money saver! It would be much easier and cheaper to train homeopaths than to train doctors. I think the conclusion is obvious--programs like Medicare should only fund...	[ "Reading that page hurt my head so very very much. There is so much shit and garbage on that page it is ridiculous. No, these people are completely nuts. And for any of the points they did make that are valid - experiments performed after the results they discuss have disproven the original results - or the origi...
How can the universe be "infinite"?	[ "You could think of it like time. When does time finish? When the universe collapses maybe? Then what happens the day after that? I think it may help the concept, because to us we deal in finite terms of how big things can be, but you'd never think we're about to run out of total seconds in the universe. Like it's ...	[ "This video from Sagan will help. I couldn't explain it in a better way. _URL_0_" ]
What is more dense (in terms of volume): an atom or a galaxy?	[ "I HAVE YOUR ANSWER. The ratio of volume to volume! Volume of proton to volume of hydrogen atom, and Volume of all the stars in the Milky Way to volume of the Milky Way. Atomic: (2.57 x 10^-45 ) / (6.2 x 10^-31 )=4.2 x 10^-15 cubic meters of space taken up for every cubic meter of empty space. Galactic: (4.23 x 10^...	[ "Find a kitchen sponge. Soak it with water. Now try drying it out with a syringe. If you spent enough hours to succeed, the sponge would fall apart from the huge number of holes you've made. And lungs are much bigger than kitchen sponges and the air cavities are smaller. And there are ribs and things in the way too...
Why is it when a radio has heavy static just walking close to it can make the signal stronger?	[ "Because you can act like an antenna for the radio. Try holding the antenna and moving your arms around. Or you could be blocking a source of noise that is interfering with the radio signal." ]	[ "I'm not good at breaking things down to ELI5 levels but AFAIK sound is a wave that requires a medium to travel through in this case air is that medium. Sound will travel further in a more dense medium meaning the apparent volume will be higher. Air at night is colder than air during the day because the sun isn't d...
What would an oracle for the halting problem(on a TM) mean for the consequences of Gödel's incompleteness theorem?	[ "One of the Incompleteness Theorems would stop holding in the presence of a Turing machine oracle. This comes because you can actually reduce decidability to the Halting Problem, and so if you could solve the Halting Problem, you would consequently be able to decide any statement. I always forget which of the two t...	[ "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...
Are "back radiation" and "backscatter radiation" the same thing?	[ "In radiative physics there are generally two components to extinction: absorption and scattering. \"Backscatter radiation\" generally refers to light that is sent back in the direction from which it was emitted specifically after being scattered. \"Back radiation\" is much more general, referring to light that is ...	[ "One: known patterns of spread and parameters of the patient. For instance, a woman in her earlier thirties with tumors in breast, ribs, and brain is most likely to have breast primary with bone and brain metastases. Two: pathology. Take a biopsy, or a tumor excision, and look at it under a microscope. Some tumors ...
"Calories" and how things like diet soda or even water can have no calories.	[ "Your body burns calories, kind of like the way you can burn a piece of wood. When you have a fire, the energy inside the wood is released in the form of heat. When you digest your food, the energy inside the food is released into your body so it can continue breathing, thinking, running and everything. When you b...	[ "I have a chackboard with 100 words written on it. You ask me to delete every word that starts with A which there are 6 words. They're written randomly on the chalk board. I need to search for the words, and then neatly delete the words without deleting anything nearby. But you instead asked me to delete everythin...
If humans colonize the moon, at what point would the amount of mass we add to the moon (buildings, people, etc.) be enough to significantly change it's orbit around earth?	[ "The moon doesn't actually orbit the earth. Both the earth and the moon orbit the center of mass of the earth-moon system called the barycenter. Current earth-moon barycenter [D = M(moon)d(moon)/(M(earth) +M(moon)) = 0.012 x 384405/(1.00 + 0.012) = 4641 kilometers from the center of the earth](_URL_0_) If you...	[ "It does! Whenever two bodies in space come into contact, they transfer momentum. Fortunately, when spacecraft dock with the ISS, they use their thrusters to dock at a speed which does not have a significant impact on the overall momentum of the space station. Should the space station's orbit be affected by the doc...
Why does my old rotary phone work when the power is out, but my battery wall phone not work?	[ "Basically the phone line carries a small amount of electricity to your phone, in addition to carrying the telephone signal. Older phones (both rotary and tone dial) were designed to work purely on that small amount of electricity, whereas battery phones are designed to work off the mains. The mains is on a compl...	[ "Thermal energies and tall buildings, heated air from the lowest levels of a building rise to the highest levels (through the elevator shafts mostly ) as such the suction of the air flow is so great that revolving doors had to be put it in tall buildings to keep the strong incoming winds from pushing people over , ...
Why is the word "Reich" always used in texts about Germany, instead of translating it?	[ "Because the word \"realm\" (the closest translation) is too general. Even German has multiple words for \"realm of a king\" vs \"realm of an emperor\" vs \"realm of someone else\". By saying \"the Nazi realm\", what do we mean? Do we mean Germany and Austria, where the Nazis actually ruled directly? Do we mean tho...	[ "Psychologists have been calling this \"semantic satiation\". Here's the wikipedia page on it: _URL_0_ The explanation offered there is that basically similar to how when you're in an environment with some stimulus (like an odor or a continuous sound) you eventually tune it out. It's a mechanism that prevents your ...
what is happening in my brain when I'm trying to fight off sleep while doing something then something startles me and suddenly I'm totally alert	[ "I believe its a rudimentary response, like the Moro Reflex which is displayed when infants are attempting to sleep. When they (the newborn) are just starting to nod off, they are easily startled. When they are well asleep, practically no noise can wake them. (Touching and/or moving them are another thing altogeth...	[ "The body can get energy from two sources (well 3, but since you are a kid I'll ignore alcohol. Also, I don't think that's stored in the body for any length of time anyway) fat and sugar. When you eat the body immediately starts using all that delicious sugar it got. After a while it starts running out of sugar an...
Objectively, what are the limitations of carbon dating?	[ "The biggest limit is time. The half-life of carbon-14 is 5,730 years, which means that it can't determine the date of things older than ~50,000 years. It also really works best for organic materials. While some inorganic materials can also be dated, there are a good number of things (mainly, things not made of car...	[ "Unfortunately, I don't think we have a good way of doing this yet. The best method I found was [this](_URL_0_) which takes a blood sample and measures the decay of DNA, more or less. It has an accuracy of 9 years in either direction, though, so it wouldn't tell you much." ]
Rothschilds and the holocaust	[ "I asked a question about [the Rothschilds losing assets to Nazi Germany](_URL_0_) to one of the historians here. The answer I got was that they were diversified enough that losing their German assets didn't really hurt them much at all, and in the long run may actually have helped them." ]	[ "This submission has been removed because it is [soapboxing](_URL_1_.), [promoting a political agenda, or moralizing](_URL_0_). We don't allow content that does these things because they are detrimental to unbiased and academic discussion of history." ]
What is the probable origin of the story behind the Jewish holiday of Purim?	[ "Aside from the account in the Book of Esther?" ]	[ "Not a historian, just someone who likes to lurk and learn new things, but I can maybe point you to a few similar questions I’ve seen about kids and their obsessions while you wait to hear from an expert. [This post](_URL_2_) has an ancient Roman source from u/rkiga that mentions a toddler obsessed with birds. Furt...
How are astronomers able to take such clear images of celestial bodies?	[ "Large telescopes will automatically track (i.e. rotate with) the position of interest in the sky while taking long-exposure photographs. Space telescopes do the same thing. Your handheld camera or phone has a very short exposure time of (at a guess) a few milliseconds. Space telescopes take exposures lasting hours...	[ "They plan the landing sites well in advanced. It is determined by terrain (will it be a safe landing), different features (what looks interesting to study), and by past landings (they want to spread out so they can study as much ground as possible)" ]
Why are the mods on this sub so damned strict? I get shut down by the auto mod every time I try to ask a question.	[ "> Why is this so? Because nobody reads the rules and like 90% of what gets posted isn't ELI5 it's \"Im too lazy to Google\"" ]	[ "Because bugs crawl on us, and some can be dangerous. Think about two phenotypes: A human with a shudder response to bugs, and a human without. In the wild, the human who shudders and reacts strongly to a bug on its skin gets the bug off of its skin as quickly as possible. If you've just walked through a spiderweb ...
How was Mike Tyson able to win so many fights? Wasn't he shorter than most fighters in the Heavyweight Division?	[ "Yes but he had tremendous speed and one punch knock out power. As he got older and his speed declined he started to lose fights that he would have probably won when he was younger. One of the most brutal boxers boxing has ever seen for sure." ]	[ "Right, so I don't know for sure if your premise is even true, but if it is, I think the following are three major contributing reasons. 1st: This is an important time for SCOTUS appointments. The balance might tip over with retirements and appointments in the next four years. 2nd: Basically, because of the way the...
Given that the atoms in my body don't actually touch each other. How does light bounce off? What stops it passing through the gaps?	[ "First, your premise is not really correct. In covalently or H-bond bound compounds, you cannot really talk about individual atoms anymore as neighboring atoms share electrons. Second, and more importantly, light is not arbitrarily small. Typically, we can expect a wave packet to be at least as large as its wavele...	[ "The [band structure](_URL_0_) of a semiconductor is a plot of energy vs. momentum state of electrons. We call the bandgap the energy distance between the highest point in the valance band and the lowest point in the conduction band. In silicon, these maxima and minima occur at different momentum points. This mean...
What is rape culture?	[ "It's the idea that there are aspects of the culture we live in that normalize and trivialize rape. (For example, rape jokes, the fact that prison rape is often overlooked, victim blaming, that sort of thing.)" ]	[ "In the US, driving is considered to be a privilege, not a right, therefore you must agree to certain terms when receiving a license. One is [implied consent](_URL_0_). Edit: formatting" ]
How does the "battery memory" effect work?	[ "According to [Dan](_URL_0_), there's no such thing in any battery other than the ancient and largely unused nickel-cadmium. All batteries just lose capacity with every charge/discharge cycle. However, some batteries, such as Lithium ion and lead acid, get damaged from being completely discharged. That's still not ...	[ "The brain is made up of neurons, which are essentially just cells. We have a pretty fixed amount of neurons over time; what changes is the number of connections between neurons. Whenever you learn something new, your brain creates a bunch of connections in your brain that represent that. When you're young, your br...
Why is the act of collecting things so addicting?	[ "Hmmm.. this is a good question. For me, I like to collect little trinkets and keep them all piled together in a box so it looks like I have a little treasure trove of valuables. I don't know why, but I'm guessing because it makes us feel good and its just fun to be able to have a large amount of something that int...	[ "I think we develop a \"been there, done that\" mentality in ways. I can not watch cartoons now. No matter what the topic. The irony is I just can't pay attention to cartoons." ]
Does the Epson Salt in a bath actually do anything?	[ "Yes, the magnesium works to relax the muscles, and other effects are being studied. Epson Salt is just magnesium sulfate (MgSO_4_). You might find your scientific search more fruitful if you use this term, although I'm still getting a lot of marketing/sales sites. Magnesium sulfate is almost as soluble as table ...	[ "[Rogue](_URL_1_), but seriously there are several studies on this. [Here](_URL_2_) is a news article. [This](_URL_0_) is a scientific article that relates epinephrine to loss of pigment. Epinephrine is linked to flight-or-fight response system. Hypothetically stress, or a \"shocking experience\" indirectly would ...
Regarding the Sea People invasions of the Late Bronze Age and the Phoenicians...	[ "The origin of the ancient Sea Peoples is on our list of [popular questions](_URL_0_). You might especially check out [this thread](_URL_1_) from nine months ago, which features awesome answers and discussion by many flaired users." ]	[ "You have to remember having ''just'' iron, silver, gold, fish and AMAZING farmland is quite a lot in most eras." ]
How Deja vu works? Why are we sure that we've experienced a something before?	[ "Psychology professor in college told us deja vu happens when one half of your brain processes what's going on around you a fraction of a second faster than the other half of your brain." ]	[ "The best answer here is going to include the phrase \"confirmation bias\" I guarantee it." ]
How does gravity create energy?	[ "The problem with magic is it is hard to break a few laws of physics without breaking a whole lot of them. In your example, the same thing that suddenly created them out of thin air chose to create them in a configuration that had potential gravitational energy." ]	[ "Put a slinky in a long glass tube and fix one end of the slinky to one end of the tube. Now lay the tube on your desk. The slinky is all curled up . Next, stand the tube upright. One end of the slinky is fixed to the top of the tube and the bottom of the slinky dangles down. What if you held the tube at an angle.....
Why is removing/ tipping your hat a sign of respect?	[ "Removing the hat being a sign of respect is a combination of several practices. A few of them are: 1) Removing dirty travel clothing such as boots/overboot coverings, cloaks, and hats as a way to not track in dirt respects the home/building you are entering. 2) Removing your hat during prayer is a Christian doctr...	[ "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 does a car having a larger engine capacity mean it's more powerful?	[ "Not a stupid question, that's the point of this sub. That volume is not a measurement of how much petrol it holds in the tank, but the space inside of the cylinders. The cylinders are where the pistons compress the fuel mist and then the fuel is ignited. The more space in the cylinders, the more fuel you can spray...	[ "When you take a pill it's not 100% the labeled medication. There are other ingredients that help it do its job and release when and how it is supposed to. Sometimes a medicine needs more extra ingredients to do its job so you end up with a bigger pill." ]
How my modded xbox 360 controller can remember what mode it was last in, even if I take the battery pack out and put it back in. Why can't an alarm clock do the same?	[ "Volatile vs non-volatile memory. Volatile memory is essentially memory that requires power to store data. Cut the power, the data is gone. Non-volatile memory can still store data without power. The most common type of volatile memory is RAM, which is essentially temporary storage for the processors in the compute...	[ "Not the same at all. The difference is your brain would never go through the sleep cycle your body needs" ]
How can the Hubble Space Telescope work?	[ "1. The light from the Sun doesn't \"block\" other light, especially not in space. 2. Thus astronauts certainly can see stars when in space. 3. On Earth the atmosphere scatters the light of the Sun, of other stars, and of the Moon, making it much harder to see fainter stars and other details. In space, there is n...	[ "_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." ]
If the light switch is on but the bulb is dead, is power still being used?	[ "It can’t be a full circuit if the bulb is broken, so no. It’s as if a switch is off and the circuit just doesn’t complete." ]	[ "There is some [evidence](_URL_0_) to support that this is true. In theory, cells do not immediately run out of oxygen, nutrients, or energy so a cell can continue to function for some, very short, period of time. Decapitate a snake, and the mouth will continue to bite [video](_URL_1_). TL;DR - Yes, for a very sho...
How does a vinyl record work? How does it produce sound?	[ "The grove on a (stereo) record actually wiggles up & down and it wiggles side-to-side. Each of those directions is like the graph of a sound wave (one for each stereo channel). As the needle traces out the grove, it vibrates the air corresponding to the \"graphs, that air vibration is picked up and amplified becom...	[ "1. The laser sends out pulses that are received and decoded, kind of like Morse code but with photons. 2. As for bar codes, a white surface reflects light better than a black one so there are inconsistencies in the light the scanner gets back from the red line it shot out. These inconsistencies are in an analogue ...
How are frozen waterfalls made?	[ "Generally it starts freezing around the edges, and the spray slowly builds up on the surface of the ice. If you look, there is always a channel for the flowing water to continue, but it has essentially formed a giant icicle around itself." ]	[ "Thats photoshopped just so you're aware. The actual image is this: _URL_0_ They usually form in high altitudes, normally perpendicular to the wind direction. Long story short, They form when stable moist air flows over mountains." ]
Reddit's Obsession with Implying Laughter	[ "I want to believe it's because we consider ourselves the most literate of all social media. We write it, so that you can say that you were entertained having \"read it\". We are also not limited to a mere 140 characters, thus reducing the possibility of a misunderstanding (and consequently nuclear annihilation). W...	[ "They're pretty much OGs. And by OG I mean it was the first English (language) website to rip off 2chan." ]
how did our early ancestors make accurate large scale maps?	[ "People have known how to use the sun and stars to calculate their exact position on Earth for centuries. They would map by physically going to a new place, calculating their position, and drawing what they saw. Combine that with some basic trigonometry and you can make pretty accurate maps that even show topograph...	[ "Someone can correct me if I'm wrong, but I'd imagine they used what Chinese calligraphers used (brushes, ink stones, rice paper). Try [this](_URL_0_) link too. Hope that helps." ]
How do Fish Eggs deal with Waste?	[ "Fish eggs don't have an amnion to store waste, but they have full contact with water, unlike land eggs, which helps in diffusion of wastes. Their skin is really permeable and they \"breathe\" by simple diffusion. It's why they don't die when I put them in light agarose to look at them under a microscope. They diff...	[ "Here is a link to help. They basically have a tube that is separate from their throat, so they do not choke [click here](_URL_0_)" ]
What happens if Antihydrogen collides with non-hydrogen matter?	[ "The positron can annihilate with the electron, and the antiproton can annihilate with the proton in a non-hydrogen nucleus. Or, if they are traveling really fast, they can produce other particles." ]	[ "Have you ever wondered what's inside your bouncy ball? Imagine it was too small to cut but you really, really wanted to know. What you might want to try is throwing it into something so hard that it breaks and you can see the smaller parts. Of course, if you only have another bouncy ball because that's the only th...
Small scale magnetohydrodynamic propulsion.	[ "I've actually built one for a science fair before. I used _URL_0_ as a reference guide: _URL_2_ _URL_1_ It worked, but know going in that you will not get a huge amount thrust. Your setup would probably do better, but it will still most likely not be a lot. What I ended up doing that had a more striking visual eff...	[ "It probably wouldn't have gone far, it would have probably stayed put and exploded in place, flinging shrapnel and deafening nearby people. If you're looking to risk death to make an awesome chemical-rocket car, look into vacuum distilling Hydrogen Peroxide. It's available (heavily watered down) at drugstores ever...
why do my legs feel itchy after a long run or hike?	[ "It's your nerves responding to capillaries expanding because your blood flow is increasing, and you brain is interpreting it as itching." ]	[ "Are your pets getting enough exercise? In the wild, they would be on the move a lot. Activities which are likely to extend their lives includes looking for food, and that means hunting. They therefore have a strong hunting instinct: with dogs, this can be channelled into play or even work (e.g. dogs used to herd s...
Why do men commit more crimes than women?	[ "There is a link that connects high levels of testosterone with violent behavior. Men with high testosterone are more prone to irrational, violent behavior and that normally ends up in a crime being committed" ]	[ "Its the easiest way to get out of the kitchen for a 5 minute break." ]
How does an embedded/deep pimple go away? What is actually happening inside the body?	[ "The swelling goes away when the inflammation subsides. The material itself eventually gets broken down by the body and reabsorbed." ]	[ "When you delete a file off your hard drive, all that happens is that your computer marks that file as \"overwrite when necessary\". The file is still there until something needs to overwrite it." ]

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