query
stringlengths
19
300
pos
list
neg
list
task
stringclasses
1 value
instruction
dict
Why does sound pitch down in tone when speeding past you (front to back)?
[ "It's the Doppler Effect. Basically when sound source is moving toward you, the sound waves get bunched up, making the sound higher pitched. When the source is moving away from you, the sound waves get stretched out, making it sound lower pitched." ]
[ "It's called \"Doppler effect\" things increase in pitch the closer they get to you and decrease as they travel away from you. The frequency of soundwaves from the fan increase in frequency as you rock towards it and they decrease in frequency as you rock away. This is because sound travels at a certain speed depen...
eli5_question_answer
{ "query": "Represent the title:", "pos": "Represent the post:", "neg": "Represent the post:" }
Do companies like coke change their recipes without telling anyone?
[ "I'm not an expert in this area, but I heard once that coke cans have the same recipe all over the world, coming from a factory in the USA, and coke bottles are produced locally, with things like locally sourced water. (Water which tastes different everywhere else) Maybe it has something to do with that?" ]
[ "To increase sales. Yes, they're big companies but a company can always expand on their sales. People who know about Coke don't necessarily buy it. They might buy lemonade. The aim of the commercials is to get people to buy coke, whether they know it or not. Plus, they have nothing to lose. Advertising probably doe...
eli5_question_answer
{ "query": "Represent the Reddit question:", "pos": "Represent the Reddit document:", "neg": "Represent the Reddit document:" }
How does power affect speakers in regards to volume?
[ "When you change the power you're just rotating something in the circuit that changes the amplitude of the wave that the circuit uses." ]
[ "It has a few different meanings in different contexts. What setting are we talking about?" ]
eli5_question_answer
{ "query": "Represent the title:", "pos": "Represent the sentence:", "neg": "Represent the sentence about finance:" }
Why is "Jason" used almost exclusively as a given name, when most other names with a "-son" suffix are surnames?
[ "The name [\"Jason\"](_URL_0_) comes from the ancient Greek word meaning \"healer\". It is not connected to the English suffix \"son\", meaning \"son of\". It's nothing more than coincidence that it's written and pronounced the same way." ]
[ "It's a cultural thing. In the West female names usually end in vowels or vowel-sounds, such as in your examples. Male names usually end in consonants. There are of course exceptions, but it's often because of a name being old or foreign, like Noah which is a very old name. Other cultures have different systems for...
eli5_question_answer
{ "query": "Represent the Reddit query:", "pos": "Represent the Reddit sentence:", "neg": "Represent the Reddit sentence:" }
why do prostitutes need pimps?
[ "They don't \"need\" them, perse - you can operate with out one. The issue is that since prostitution is illegal, prostitutes have no recourse if a John tries to hurt them or not pay for services. The pimps job is to protect the prostitute where the law can not; they can and will threaten Johns if they do not behav...
[ "why do we yawn when we read about yawning?" ]
eli5_question_answer
{ "query": "Represent the Reddit post:", "pos": "Represent the Reddit sentence:", "neg": "Represent the Reddit sentence:" }
Why did predatory lizards not evolve binocular vision like mammals?
[ "As a general rule predators have eyes at the front and prey species have eyes at the sides. Most lizards are both predator and prey. If the risk of being eaten outweighs the advantages of binocular vision, there is no advantage in binocular vision." ]
[ "The ecological niches formerly occupied by dinosaurs were taken over by the creatures that survived the mass extinction. So now instead of big dinosaur carnivores like t-rex, we have big mammalian carnivores like lions, tigers, polar bears, killer whales, and fish like great white and bull sharks. If all mammals b...
eli5_question_answer
{ "query": "Represent the query:", "pos": "Represent the passage:", "neg": "Represent the passage:" }
Why does coffee make me so jittery when served black but has little effect when served with cream and sugar?
[ "It may well be that that is your expectation and so you feel that way. There's no real reason for this to happen." ]
[ "Probably because they like the taste, but don't like the effects of caffeine. Btw, an espresso contains less caffeine than a normal cup of coffee. Imo it tastes way better as well, much sweeter and earthier than bitter drip coffee." ]
eli5_question_answer
{ "query": "Represent the Reddit question:", "pos": "Represent the Reddit argument:", "neg": "Represent the Reddit argument:" }
Why do you always see the remains of truck tires on the highway?
[ "Highway trucks tend to do a ridiculous amount of mileage in a year. Upwards of 80,000 miles even. Before going into any more detail its just good to know that the truck(where the driver is) is the tractor and the trailer is just the trailer. Now everyday before the driver gets onto the road he/she must to a pre tr...
[ "Emphasis on \"derail\". When they leave the rails, they hit whatever is in the way: people, buildings, cars, other trains." ]
eli5_question_answer
{ "query": "Represent the Reddit query:", "pos": "Represent the Reddit passage:", "neg": "Represent the Reddit passage:" }
Why can't we eat other people?
[ "Any pathogen (whether viral, bacterial, protozoan, prion, or whatever) in your meal is going to be something that's already perfectly adapted to living in human beings. This isn't really the case with, say, fish. That's the main problem. Your risk isn't terribly high, but somewhat higher than it would be eating so...
[ "This is why we can't have nice things :( ." ]
eli5_question_answer
{ "query": "Represent the title:", "pos": "Represent the document:", "neg": "Represent the document:" }
What happens when I adjust a VCR's tracking?
[ "Curse_of_kintave is wrong. Well, he's right about the signal being encoded diagonally on the tape and being read/written with heads in a spinning drum that is tilted, effectively making the heads tracking the diagonal signal on the tape. It's a clever trick to encode way more signal on a relatively slow moving tap...
[ "Try bumping up the gain on your center channel." ]
eli5_question_answer
{ "query": "Represent the post:", "pos": "Represent the document:", "neg": "Represent the document:" }
Why is it so easy to find a comfortable position in bed during morning but hard at night?
[ "I was going to say because you've already gotten a full night of sleep. But she went all sciency" ]
[ "At night, you're tired and ready to call it a day. You let your guard down which opens you up to those kinds of thoughts and feelings. You aren't required to be alert in bed like you are during the day at work or school." ]
eli5_question_answer
{ "query": "Represent the Reddit post:", "pos": "Represent the Reddit comment:", "neg": "Represent the Reddit comment:" }
The Troubles, or the Northern Ireland Conflict
[ "The 1960s saw the beginnings of a civil rights movement among Catholics in Northern Ireland who sought an end to discrimination they faced at the hands of the British government. The main thing the civil rights campaigners were looking for was the idea of '1 man, 1 vote'. This is important as Protestant business o...
[ "No, the *photographer's* name is Clive Limpkin. His original caption for the photograph states: \"*A girl skater, sucking lollipop, watches British soldier guarding a political rally, Ulster. 1971.*\" This particular photograph is taken during The Troubles in Northern Ireland, a conflict which lasted between 1968/...
eli5_question_answer
{ "query": "Represent the post:", "pos": "Represent the sentence:", "neg": "Represent the sentence:" }
Why is the name Jesus fairly common in Latin America but uncommon in English-speaking countries?
[ "It has to do with translation. The English (european) version of Jesus is Joshua. So if you're named Josh or Joshua, that's the same as being named Jesus." ]
[ "Those *are* Middle Eastern names. You think of them as English names because so many people in English-speaking countries name their children after people in the Bible." ]
eli5_question_answer
{ "query": "Represent the Reddit title:", "pos": "Represent the Reddit document:", "neg": "Represent the Reddit document:" }
How does your body know to reject only a specific food when you're sick?
[ "> How did my body perfectly separate the fish from everything else I ate at the same time? It's really not supposed to do that." ]
[ "A food allergy is your immune system attacking something within the food and causing an allergic reaction. Many times it's because of a large amount of it being introduced to a child before birth. Hence why they tell pregnant women to stay away from shellfish and nuts. As to how you develop them. It's your immune ...
eli5_question_answer
{ "query": "Represent the question:", "pos": "Represent the passage:", "neg": "Represent the passage:" }
What exactly is a Bonsai tree and how do they get them so tiny?
[ "It's a regular tree, but put in a small pot, and trimmed consistently in such a way as to keep it under a certain size. There are techniques to get it to grow into the shape you want, but basically it's just a regular tree or cutting that's been restricted in size." ]
[ "The people who grow them meticulously groom them for years and years cutting and shaping them to stunt their growth and make them look the way they want them to. It takes a lot of skill and artistic vision. (It also looks like you're killing the tree for most of the process.)" ]
eli5_question_answer
{ "query": "Represent the query:", "pos": "Represent the paragraph:", "neg": "Represent the paragraph:" }
What is the purpose of the human orgasm beyond reproduction?
[ "There is no purpose beyond reproduction. Orgasms feel good, and that makes people want to have sex. Wanting to have sex makes people have more sex. And that makes people have more kids (if we're talking evolutionary). Which means that more of the next generation consists of people who also enjoy orgasms. If a crea...
[ "It's not about the method but the motives." ]
eli5_question_answer
{ "query": "Represent the query:", "pos": "Represent the argument:", "neg": "Represent the argument:" }
Why do you have to pay penalities for not having health insurance that is not wanted nor needed?
[ "It incentives people to buy into health insurance when they are healthy. The more people that buy into health insurances the more the cost of premium is driven down. The hope is that if everyone has health insurance then it will be cheap for people that do need it. Then one day when you need your health insurance ...
[ "From what I have seen, it will slowly end the Medicaid Expansion. this is the part of the ACA that helped low income people afford healthcare. It will allow \"worse\" plans to be sold to people who don't want to pay for the more comprehensive plans in the current ACA marketplace. This benefits younger, healthier ...
eli5_question_answer
{ "query": "Represent the title:", "pos": "Represent the document:", "neg": "Represent the document:" }
Why, when I fall asleep with my socks on, does my foot hair hurt to move in the morning?
[ "This probably won't be like you're 5 but I'll try... Your body hairs have their own little [muscles](_URL_0_). It is possible that keeping your socks on all night leaves these muscles \"strained\"--different than their normal resting length--which causes discomfort by morning. disclaimer: this is speculation based...
[ "If I sleep on my side, I sleep with a pillow between my legs and if I sleep on my belly, the pillow goes to the ground beside the bed. So when I roll over back onto my side and grab the pillow and throw it between my legs, its generally pretty damn cold and if that pillow touches my balls it starts the chain react...
eli5_question_answer
{ "query": "Represent the question:", "pos": "Represent the passage:", "neg": "Represent the passage:" }
How come most people who grew up poor/lower socioeconomic, usually stay that way?
[ "Two main reasons Fewer opportunities. This sounds like a cop out, but it's true. It's harder for the lower classes to afford college, and many don't have the ability to finish highschool before they need to find a job to help cover bills. Of those that do go to college, not many can afford unpaid internships and t...
[ "Depends on how you were raised and the environment you grew up in. A child spoiled with toys and had affectionate parents tend to be more optimistic. Where as kids who grow up in a strict household with high expectations from others tend to be more sad/depressed but also more hardworking." ]
eli5_question_answer
{ "query": "Represent the Reddit title about Sociology:", "pos": "Represent the Reddit document about Sociology:", "neg": "Represent the Reddit document:" }
Why the supply shortage of PC memory?
[ "demand has gone up dramatically. in last decade, there's been exploding increase in cloud computing, cryptocurrency, IOT, realtime services. all requiring copious amounts of computing power as well as storage. in previous years, suppliers sold extra inventory to cover demand. there's no more overstock invento...
[ "Production increase of SSD, production decrease of spinning drives, and exponential technology advances in SSD." ]
eli5_question_answer
{ "query": "Represent the query:", "pos": "Represent the comment:", "neg": "Represent the comment:" }
Why do explosions, more specifically huge gnarly fireballs, produce the mushroom cloud shape?
[ "The column rising up is caused by air convection. It's really hot there so the air rises up. The air in the center is hotter than at the edge of the column, so it moves faster. It also wants to spread out so pushes out over the top of the column, forcing it to curl outwards into a mushroom shape. [Here's an articl...
[ "The thermal pulse moves *much* faster than the supersonic blast wave and fireball. In other words, because it's so close it was subjected to an incredible amount of heat and burst into flames. Moments later it would be blasted apart by the shockwave. The separation of the \"burned\" and \"blasted\" effects tend n...
eli5_question_answer
{ "query": "Represent the post:", "pos": "Represent the text:", "neg": "Represent the text:" }
Why do my tooth filings sting when I bite aluminum and other metals?
[ "Putting metal in your mouth creates a rudimentary battery, it sends light electrical current through your mouth setting off the nerve endings in your teeth and obviously fillings conduct better than plain teeth so the feeling in fillings is stronger." ]
[ "Then you have a unfilled cavity. This use to happen to me. Sometimes when you eat chocolate, it will melt into your cavity and irritate the nerve. You don't notice this with other types of foods, because they normally don't melt and stay on your teeth." ]
eli5_question_answer
{ "query": "Represent the Reddit title about Dentistry:", "pos": "Represent the Reddit passage about Dentistry:", "neg": "Represent the Reddit passage:" }
Why do water bottles have expiration dates on them?
[ "It's the expiration date, generally, for the container the water's in, not the water itself. Leaching and whatnot." ]
[ "I can think of two reasons: 1) Companies don't like getting sued. Even though honey can last a long time, certain conditions might cause it to go bad, mostly due to the packaging. If someone eats some ten year old honey and gets sick because the packaging went bad, they could sue the company. To cover their asses,...
eli5_question_answer
{ "query": "Represent the question:", "pos": "Represent the document:", "neg": "Represent the document:" }
why are birds and butterflies so brightly colored and patterned, with blues and greens and reds, but not any mammals?
[ "One huge difference is the type of color that you're seeing. Mammals mostly have pigmented colors - molecules that absorb some wavelengths of light and reflect others. Birds and butterflies and fish have the addition of structural color, which means that a whole material within their body has a shape which reflect...
[ "Basically, it's because most animals don't see blue. Fruit produced to be eaten is colored to contrast with the green leaves. Leaves are green because chlorophyll is effective at using light for photosynthesis and chrolophyll is green. So the ideal fruit color would contrast sharply from the green in another colo...
eli5_question_answer
{ "query": "Represent the Reddit post:", "pos": "Represent the Reddit sentence:", "neg": "Represent the Reddit sentence:" }
So Boehner's Debt Ceiling Bill Has a Balanced Budget Amendment... What's So Bad About That?
[ "The answer to this question will vary differently depending on what somebody's core political beliefs are." ]
[ "Being Black Does Actually Have (Relatively Minor) Health Consequences, It's Just That They're Obviated By Modern Life. There's An Energy Cost To Have Extra Melanin, Even A Small One, So If You Don't Need It It Won't Be Selected For. Melanin Reduces Vitamin-D Uptake From The Sun If Sunlight Is Lower Than You're Ada...
eli5_question_answer
{ "query": "Represent the Reddit post:", "pos": "Represent the Reddit document:", "neg": "Represent the Reddit document:" }
At recycling sorting facilities, how are tiny objects such as shredded paper sorted?
[ "They use pretty advanced machines with different technologies like optical (camera) detection, magnets, air brushes, centrifuges or even chemical methods to sort different materials. Plastics for example can be separated by a optical spectral analysis, as the material can be identified by a difference in the spec...
[ "It's actually mostly automated, although there are still human workers in the process. It's dumped onto the conveyer built and 1) Humans manually remove TV sets, clothing, and other inappropriate items people throw in there, 2) A screen mechanically separates out large pieces of cardboard 3) round stuff (container...
eli5_question_answer
{ "query": "Represent the title:", "pos": "Represent the sentence:", "neg": "Represent the sentence:" }
Why does your arm go "dead" if you sleep on it?
[ "Don't listen to anyone who says you cut off the circulation. What's really happening is that you've compressed a nerve, usually where it passes close to a bone (elbows, knees, and shoulders are great at doing this.) What happens is that the brain stops receiving a signal from that nerve, so starts to ignore it. Wh...
[ "You can absolutely relax your tongue. It just happens to be anchored. That's like asking why you can't relax your hand, because even when you put it down on a table it doesn't roll up your arm." ]
eli5_question_answer
{ "query": "Represent the post:", "pos": "Represent the document:", "neg": "Represent the document:" }
The tree falling in the forest..
[ "It is a demonstration of a question that can NEVER be answered. If we extend 'nobody is around to hear it' to mean 'nobody listens to it in any way' (ie no microphones etc), then there is no way that we can ever determine whether a tree makes a sound or not unless we observe it, and then we are only observing it w...
[ "Crashing in the ocean > crashing in populated areas." ]
eli5_question_answer
{ "query": "Represent the Reddit query:", "pos": "Represent the Reddit paragraph:", "neg": "Represent the Reddit paragraph:" }
Why does sunscreen go on completely white but if you rub your skin a couple minutes later it is in completely black clumps?
[ "That's your skin coming off. Try exfoliating some and then try it. When skin is pulled off and balled up and mixed with your skins natural oil it turns dark. Most noticably if you have dark skin or are in the sun often." ]
[ "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." ]
eli5_question_answer
{ "query": "Represent the Reddit query:", "pos": "Represent the Reddit document:", "neg": "Represent the Reddit document:" }
how do your local, run of mill drug dealers make any profit from the drugs they deal?
[ "They buy them for a certain price from a bigger dealer and then sell them to customers for a higher price. The difference in the two prices is their profit." ]
[ "There are huge profits to be made in policing the drug trade, as well as jailing \"criminals.\" jails make a fuck ton of money off of drug related offenses and in some cases have deals with governments that they will keep a certain level of inmates in there at all times..... I know.. sounds crazy, in the near utop...
eli5_question_answer
{ "query": "Represent the Reddit question:", "pos": "Represent the Reddit paragraph:", "neg": "Represent the Reddit paragraph:" }
Why do we call Napoleon by his first name while other military leaders like George Washington or Erwin Rommel are referred to by their first names?
[ "Napoleon styled himself as Napoleon I when he was Emperor of the French. Which is also why his son called himself Napoleon II (even though he was never actually Emperor,) and why his nephew called himself Napoleon III. Napoleon saw himself as closer to royalty than to a military leader. We don't refer to kings and...
[ "Names are a funny thing in royalty. For example, Queen Elizabeth II was born: Elizabeth Alexandra Mary. The name of the *house* is Windsor, which is kind of like a dynasty. But take a look at her father, King George VI. He was born Albert Frederick Arthur George, also of the House of Windsor. Growing up, he was Al...
eli5_question_answer
{ "query": "Represent the Reddit query about history:", "pos": "Represent the Reddit comment about history:", "neg": "Represent the Reddit comment:" }
Why the USA has such high rape rate beign a developed country?
[ "Getting accurate crime statistics is difficult, and comparing statistics between countries is even more difficult. Rape is probably one of the most difficult comparisons to make, because of the massive cultural differences in how it's defined by the criminal laws as well as how comfortable victims are reporting it...
[ "The United States are *not* the wealthiest or most advanced country on the planet. And what exactly do you mean by anxiety?" ]
eli5_question_answer
{ "query": "Represent the post:", "pos": "Represent the document:", "neg": "Represent the document:" }
How can you eat the same thing for breakfast every day and not get sick of it, but this doesn't apply to lunch or dinner?
[ "Can you? I certainly do not have the same breakfast everyday without getting sick of it. What breakfast do you eat every day?" ]
[ "I'm sure it's the same reason you don't do what you're supposed to all the time. Do you always drive exactly the speed limit, never hit the snooze, never eat something that's bad for you, never drink or smoke or do drugs, work out everyday, etc., etc.? Willpower is a finite resource, for dogs and humans." ]
eli5_question_answer
{ "query": "Represent the Reddit title:", "pos": "Represent the Reddit post:", "neg": "Represent the Reddit post:" }
How can hair color be yellow, red, white but not green, blue or purple naturally?
[ "Melanin pigments are what give our hair color and they fall in the black/brown/red (white/gray = no pigment) spectrum." ]
[ "The human body has pigments (colored molecules) of certain colors, such as red and brown. Human skin and hair doesn't have any green or blue pigments in it, so there's no way for a green or blue screen to be confused with the person standing in front of it." ]
eli5_question_answer
{ "query": "Represent the Reddit post:", "pos": "Represent the Reddit sentence:", "neg": "Represent the Reddit sentence:" }
why aren't traffic signs and lanes around the world universally the same?
[ "Two reasons: 1). They were all developed individually and there is little incentive to go uniform. And if there was, who's would you adopt? Any attempt would likely be ignored by the US anyhow. 2). There are going to be differences anyhow due to things like different road conditions and localization. Counties Luk...
[ "The first 3 color traffic light had 4 faces and it used red-amber-green for two of the faces and green-amber-red for the other two (so that a single light would illuminate the top row, which would be red for one direction of traffic, and green for the other). Starting in 1935, with the Manual on Uniform Traffic Co...
eli5_question_answer
{ "query": "Represent the Reddit query:", "pos": "Represent the Reddit comment:", "neg": "Represent the Reddit comment:" }
How/why are PC's better at playing video games when a playstation or xbox are made just to play games?
[ "Compare it to buying a cheeseburger in McDonald's instead of making one yourself at home. Even if McDonald's employees are trained specifically to make burgers, the burger made in home will always be more nutritive and tasty, because you can choose the better ingredients, while McDonald's will use the best availab...
[ "It's not considered superior, it's just a preference, much like how people have a preference for PS4 or Xbox One. Mac DOES have reeeeaaally good edited programs, to be fair" ]
eli5_question_answer
{ "query": "Represent the question:", "pos": "Represent the document:", "neg": "Represent the document:" }
Why is it team Great Britain in the Olympics but England, Scotland, Wales and N. Ireland in other tournaments, such as the World Cup?
[ "Football (and Rugby, and Cricket) got their start on the British Isles. The first international football match was an England vs. Scotland match in 1870, and there was a yearly \"Home Country Championship\" in Football nearly 50 years before there was a World Cup. So by the time Football spread to the rest of Eur...
[ "England is, well, England; Great Britain includes England, Scotland and Wales; the United Kingdom includes England, Scotland, Wales and Northern Ireland." ]
eli5_question_answer
{ "query": "Represent the title:", "pos": "Represent the post:", "neg": "Represent the post about Geography:" }
The UK parliament has voted to bomb Syria, everybody in my circle is against the idea, what are the arguments FOR bombing Syria?
[ "It isn't just \"bombing Syria.\" It's bombing ISIS/ISIL in Syria. By killing them in Syria and Iraq, it is hindering their ability to gain ground, money, influence, and people under their control. In turn, this will limit their ability to project influence and conduct attacks in the West." ]
[ "There are countries that have our back (Turkey, Saudi Arabia, UAE). But the main reason is that it's too sticky of a situation, Obama claims that Assad was the one using the chemical weapons but there's not strong enough proof that it was actually him using it to kill civilians. So many of the western countries (t...
eli5_question_answer
{ "query": "Represent the Reddit query:", "pos": "Represent the Reddit argument:", "neg": "Represent the Reddit argument:" }
The difference between various audio formats: MP3, WAV, AAC, etc.
[ "Each has it's specialties, but mostly it comes to 3 categories: * Uncompressed: No compression, usually huge files with great quality. Example: .WAV * Lossless compressed: Compressed in a way that it will be exactly the same as the original when uncompressed, medium sized files with good quality. Example: .FLAC * ...
[ "Some audio formats (such as mp3) use what are called \"compression algorithms\" to reduce the size of the file at the expense of sound quality. There are various \"levels\" of compression in mp3 files called \"bit rates.\" Examples of common bit rates are 320kbps, 256 kbps, 192kbps, and so on. The lower the bit ra...
eli5_question_answer
{ "query": "Represent the title:", "pos": "Represent the passage:", "neg": "Represent the passage:" }
Why do iPhones have issues with sending and receiving pictures from androids, and vice versa?
[ "iPhones will (would? I haven't had one in a while) use iMessage to send texts if it thought that the other side had an iPhone. If you had an iPhone, and then switched to an android phone, you might have not deregistered iMessage _URL_0_ If you don't do that, then people on iPhones sending messages to your android...
[ "My iPhone from AT & T hasn't had anything of the sort, all the way back to 2008 and my iPhone 3G. I'm guessing you're referring to an Android phone, but does it also happen with Windows Phones?" ]
eli5_question_answer
{ "query": "Represent the Reddit post:", "pos": "Represent the Reddit document:", "neg": "Represent the Reddit document:" }
How bad are food preservatives for my body?
[ "It isn't bad at all. Your parents are likely being fooled by health food marketing. If you eat a lot of anything you can have health problems; eat reasonably in moderation and you should be fine." ]
[ "Your teacher is an idiot. Talk to a doctor about the best way to beat a type of cancer. That being said, a diet high in vegetables and low in red meat would lower your chances of getting cancer in the first place." ]
eli5_question_answer
{ "query": "Represent the Reddit title:", "pos": "Represent the Reddit document:", "neg": "Represent the Reddit document:" }
Zero Calorie Soft Drinks
[ "First of all, technically it's not actually zero calories, but companies are allowed to advertise them as such if they have less than 5 calories per serving. Secondly, artificial sweeteners. They're chemicals which either taste sweet but have no caloric value (because the body can't digest them) or they have the ...
[ "Coke: Can Dr Pepper: Bottle Barq's (Root Beer): Bottle Mountain Dew: Can Source- Caffeine Addict" ]
eli5_question_answer
{ "query": "Represent the title:", "pos": "Represent the paragraph:", "neg": "Represent the paragraph:" }
OK, I'm enamored with all the "It's 2013 in New Zealand" posts, but what would happen if we were ALL on the same universal time?
[ "Clock time would no longer be associated with shared events like lunchtime and bedtime. A good chunk of the world would have a annoying and potentially confusing date change in the middle of their waking day." ]
[ "I'm going to go out on a limb and say because it's a movie." ]
eli5_question_answer
{ "query": "Represent the query:", "pos": "Represent the document:", "neg": "Represent the document:" }
Americans are considered "lazy" but Europeans, on average, take 10 more vacation days per year (source inside).
[ "I've only heard that Americans rush through life and work too much. I think you may be confusing the Americans-are-fat stereotype with lazy." ]
[ "While the story of the \"100 hour work week\" in Japan gets a lot of press, and Japanese do work more than many other countries, the reality is the average person has plenty of time for entertainment. Only 22% of the country works more than 50 hours a week. As compared to the US where it is 11%. So 78% of the coun...
eli5_question_answer
{ "query": "Represent the post:", "pos": "Represent the paragraph:", "neg": "Represent the paragraph:" }
Why do the powers at be make it so difficult to travel the world, live where one wants, and basically be more free to live and work anywhere?
[ "Because modern societies are so large that they require different things for upholding said societies and allowing them to function (in my opinion)" ]
[ "personally, I hate traveling. It is a pain in the ass. But if there is motivation for me to do so, like a new higher paying job, I will do it. If there is a more fertile land to go to, it might be worth the effort of trying to travel to it." ]
eli5_question_answer
{ "query": "Represent the Reddit post:", "pos": "Represent the Reddit passage:", "neg": "Represent the Reddit passage:" }
How are personality disorders like psychopathy or ANPD treated in a clinical setting?
[ "First off, psychopathy is not a disorder, a spectrum, or a diagnosis. It is a trait that might appear in any number of disorders, sort of like \"difficulty falling asleep\" is a trait that might appear in disorders like depression or schizophrenia. With all personality disorders, you can fully expect to see a psy...
[ "Neither Down Syndrome or Autism are mental illnesses. Could you clarify what you mean by this question? Do you mean disorders such as Down Syndrome or Autism, or mental illnesses, more along the lines of depression or schizophrenia?" ]
eli5_question_answer
{ "query": "Represent the Reddit title:", "pos": "Represent the Reddit sentence:", "neg": "Represent the Reddit sentence:" }
How does the postal service machinery know the correct amount of postage has been put on via stamps? Especially with old postage stamps, or a many small currency stamps.
[ "The usps is very outdated and playing catch up they aren't good at catching it and rely on the workers a lot to catch it . They use to be really terrible and I know people who would ship out dozens of packages daily all at 1 lb no matter what and rarely ever had issues for years . Fedex use to check 10% of package...
[ "Not for one box, because it isn't worth it to them and it's bad PR. But if you built a business around repurposing boxes, then yes. Priority Mail boxes are not actually free--their price is factored into the postage for mailing the parcel." ]
eli5_question_answer
{ "query": "Represent the Reddit post:", "pos": "Represent the Reddit document:", "neg": "Represent the Reddit document:" }
Why does salt and too much sugar make us thirsty?
[ "Both are soluble in water and get absorbed more or less completely by our digestive system. This results in an increase in solutes in our blood and extracellular fluid, which is bad news for our cells as water will be drained from them through osmosis. Sugars will be converted to burned by our cells, converted to ...
[ "You know how eating salt on it's own makes you thirsty? Well when you put salt on the slug it gets so thirsty it dies because it gets too dry on the inside to live. Getting dry on the inside is called dehydration and we drink water, juice and other drinks so the same thing doen't happen to us." ]
eli5_question_answer
{ "query": "Represent the question:", "pos": "Represent the comment:", "neg": "Represent the comment:" }
If laptops have been around since the early/mid 90s and they had LCD screens, why were LCD TVs not developed sooner?
[ "A lot had to do with price. Laptops were expensive, and there was no way to do one with a CRT. LCDs were still developing fast, and were very expensive. On the other hand, the CRT makers had long since amortised all their capital costs, in contrast to the LCD makers who were paying for expensive tooling up. TV is ...
[ "Well the touch screen is kind of a bad example here. While it was invented in the 70s, there was nothing for it to be controlled with. Computers were mostly text based until 1992 when windows 3.1 was published. And even then the computers were mostly to slow to have a real benefit from touchscreens. Even today apa...
eli5_question_answer
{ "query": "Represent the query:", "pos": "Represent the document:", "neg": "Represent the document:" }
Why is the military industrial complex so significant in the United States?
[ "During WWII, the US turned our entire manufacturing base into a war machine. We supplied the goods that fueled the army of every allied country, including Great Britain and the USSR. After the war, we ended up with a bunch of private companies that made a lot of money selling military hardware. Any time you have p...
[ "Was any Asian country capable of helping the United States during the revolutionary war?" ]
eli5_question_answer
{ "query": "Represent the Reddit post:", "pos": "Represent the Reddit document:", "neg": "Represent the Reddit document:" }
Why do some countries have toilet bowls with more water than others?
[ "Have you seen a map of your country? It's mostly a desert in the middle and all the settlements are around the coast. You don't have much fresh water. Other countries can be quite liberal with their use of water but you're stuck with your efficient (but smelly) toilet designs." ]
[ "They take up too much space and are impractical for a house. The reason they have them in public toilets is they're more efficient when lots of people need to use them. It's not like you'll have more than one person using the toilet at the same time in your house." ]
eli5_question_answer
{ "query": "Represent the Reddit question:", "pos": "Represent the Reddit sentence:", "neg": "Represent the Reddit sentence:" }
Why does my stomach feel shaky and nauseous when I don't get enough sleep?
[ "Your digestive system has a routine, it does certain things at certain times of the day. When you disrupt your routine (e.g. by not getting enough sleep), your digestive routine also gets disrupted, which can make you feel unwell. The digestive routine is an example of a [Circadian rhythm](_URL_0_)" ]
[ "It can be a sign of diabetes but it can also be a sign of dehydration. Drink more water for a few days and see if it goes away. Or it could just mean you've eaten too much sugar, even if you're not diabetic." ]
eli5_question_answer
{ "query": "Represent the title about Sleep and its effects on the body:", "pos": "Represent the document about Sleep and its effects on the body:", "neg": "Represent the document:" }
How do you play American football?
[ "Watch a Browns game. Then do the opposite." ]
[ "How are you going to change the filter?" ]
eli5_question_answer
{ "query": "Represent the Reddit post:", "pos": "Represent the Reddit paragraph:", "neg": "Represent the Reddit paragraph:" }
Why is transgender grouped with LGBT?
[ "LGBT has generally expanded to include anyone outside of cis heterosexuals, as they all commonly fight for the same human rights." ]
[ "Q can stand for queer or questioning. Queer in this context is more than just gay or lesbian, it's a term that includes all of the L, G, B, and T, or anyone who doesn't identify as straight or part of the gender dichotomy of male/female. Basically, \"out of the sexual norm\"." ]
eli5_question_answer
{ "query": "Represent the title:", "pos": "Represent the sentence:", "neg": "Represent the sentence:" }
East and West Berlin
[ "After WWII, Germany as a county was split up between the Allies (Britain, France, USA, and the USSR). This also happened to the capital of Berlin. Growing differences between the capitalist and communist ways of running things caused a divide between the Soviet Union and the other three nations. Eventually the mor...
[ "British Empire -- > Post-WW2 / Cold War America -- > British and American pop culture -- > Silicon Valley." ]
eli5_question_answer
{ "query": "Represent the Reddit title:", "pos": "Represent the Reddit document:", "neg": "Represent the Reddit document:" }
Why can't I swallow twice in quick succession, without it being difficult?
[ "It's because swallowing starts a chain reaction of muscle movements in the throat all the way down the digestive tract called peristalsis. So the top muscles in the throat have to wait until the adjacent muscles are ready to start again. It's like trying to start a \"wave\" at a sporting event when the person next...
[ "> Are they able to close off their airways while they eat or do they have a separate process ? They close off their airway while they eat, much like how humans close our airway when we swallow. Get a cup of water, hold your breath, and take a drink while holding your breath. This is something you can do perfectly ...
eli5_question_answer
{ "query": "Represent the Reddit question:", "pos": "Represent the Reddit document:", "neg": "Represent the Reddit document:" }
Why do people go to private universities in the United States
[ "It depends. The biggest is prestige/education/career prospects (e.g. Harvard versus State U). Second, the costs are sometimes not that much different, especially if you are an out of state student or have a significant scholarship. Or it could just be because you want a specific experience, which could range from ...
[ "If you think treatment of animals is bad in China, you have to seriously look at the treatment of people in The Republic Of China." ]
eli5_question_answer
{ "query": "Represent the Reddit query:", "pos": "Represent the Reddit sentence:", "neg": "Represent the Reddit sentence:" }
I'm learning piano and am confused on how to tell the key of a piece
[ "At the beginning of the piece it will say which (if any) notes are to be played sharp or flat. The specific combination will tell you what key it is. It is simply a memorization thing at that point. C time signature is *not* the key of C. C time signature is just a short-hand way of saying 4/4." ]
[ "If you didn't care about the exact notes, just a rough approximation, an experienced pianist could play it after hearing it once. However, most experienced pianist prefer the exact notes." ]
eli5_question_answer
{ "query": "Represent the Reddit post:", "pos": "Represent the Reddit passage:", "neg": "Represent the Reddit passage:" }
What exactly does 12 years of public school teach you that you can't learn on your own either through books or the Internet?
[ "Here are some of the things I learned in K-12 (or things that I was learning at home but were substantially reinforced at school) that I don't think I could have learned nearly as effectively through books or the internet. Obviously, much of this is subjective. In no particular order: * Right from wrong * How to ...
[ "We don't learn the way we did 100 (or even 20) years ago. Not even close. Teachers were not using powerpoint even 20 years ago. Unless you think people can stricly learn from a computer, teachers will always be necessary. I'm not sure why you think nothing has evolved with the way we learn. How would you like it t...
eli5_question_answer
{ "query": "Represent the query about Education:", "pos": "Represent the answer about Education:", "neg": "Represent the answer:" }
Why aren't the MLB leagues divided by Eastern and Western conferences like the NBA and NHL?
[ "Because they started as 2 completely separate leagues, the American League and the National League. They were completely separate except or the All Star Game and World Series for most of their existence. Regular season games between AL and NL teams didn't start until 1997, and both leagues even had their own umpir...
[ "They are, but none have ever been good enough to make it into the majors. In fact, the NFL, NHL, NBA, and MLB all allow female athletes." ]
eli5_question_answer
{ "query": "Represent the Reddit post:", "pos": "Represent the Reddit post:", "neg": "Represent the Reddit post:" }
How did cops determine speed before the radar gun?
[ "Cop here, it's called Pace Clocking. Essentially what I do is follow behind a car and match my speed with them so I they are not pulling away or going closer to me. Once that is done I, I go a couple of blocks to see if they stay consistent at that speed. If they are over the limit I pull them over. Our vehicles a...
[ "Have you never seen an analog clock before? Ever? The stopwatch was invented in the 1600s. Those were used before lasers and digital clocks." ]
eli5_question_answer
{ "query": "Represent the Reddit question:", "pos": "Represent the Reddit comment:", "neg": "Represent the Reddit comment:" }
Why, even though I used to be tiny and have a fast metabolism, did quitting Prozac (antidepressants) cause me to gain nearly 50 pounds in two months?
[ "It most likely affected your appetite causing you to eat more than you used to. Have you had any changes in how active you are?" ]
[ "The less weight a person loses, the more slowly they lose it, and the younger they are, the higher the chances that the skin will just shrink back to its original form. Skin does have a good amount of elasticity to it. Personally, during my mid 20's I lost about 100lbs over the course of 2 years and didn't have an...
eli5_question_answer
{ "query": "Represent the question:", "pos": "Represent the document:", "neg": "Represent the document:" }
How Do They Film TV Shows/Movies That Take Place in Big Cities?
[ "Some options: * They block off streets on weekend mornings. * They film on a set and digitally composite with computer graphics. * They film in Vancouver." ]
[ "Being Black Does Actually Have (Relatively Minor) Health Consequences, It's Just That They're Obviated By Modern Life. There's An Energy Cost To Have Extra Melanin, Even A Small One, So If You Don't Need It It Won't Be Selected For. Melanin Reduces Vitamin-D Uptake From The Sun If Sunlight Is Lower Than You're Ada...
eli5_question_answer
{ "query": "Represent the post:", "pos": "Represent the answer:", "neg": "Represent the answer:" }
What's going on in the brain when you've forgotten something but then think really hard and manage to remember what you forgot?
[ "Someone else can probably explain this better than me, but it's been 45 minutes with no response so I might as well take a stab at it: Computer memory works by indexes; each piece of data is assigned a number, and when you need a particular piece of information the computer simply uses that number to find it. Our ...
[ "Memory has short term memory (aka working memory) and long term memory. When we fail to have something in our working memory long enough, it fails to become a long term memory. So if we just thought of something to say, for example and suddenly someone pipes up right before you were going to talk, it is possible t...
eli5_question_answer
{ "query": "Represent the title about Language and cognition:", "pos": "Represent the document about Language and cognition:", "neg": "Represent the document about Memory and communication:" }
What's the difference between the Department of Justice (DoJ) and the FBI?
[ "The DOJ is a cabinet-level agency which is responsible for enforcing US federal law. The FBI is an agency which operates under that (along with many other agencies and departments). A full breakdown is here: _URL_0_" ]
[ "They are not supposed to operate on US Soil. They are a part of the Executive Branch of Government and report to the President by way of the Director of National Intelligence who is in charge of All intelligence agencies." ]
eli5_question_answer
{ "query": "Represent the Reddit question:", "pos": "Represent the Reddit passage:", "neg": "Represent the Reddit passage:" }
Why they don't teach how to do taxes, credit cards, insurance(health and auto), loans, investments in general public schools.
[ "They teach the underlying skills you need to figure these things out on your own. Reading comprehension, a bit of research, and some basic math is all you really need to figure out how all this stuff works. If schools had to teach you every life skill you'd need, we'd be in school for the entirety of our lives. Th...
[ "Don't over use credit cards. Pay off balances quickly and completely to avoid interest. Learn to plan a budget and stick to it. Even when buying big items on credit (House, car, ect.) make sure you can cover the payments. Don't assume you will have the same level of income over the next X number of years. Don't ...
eli5_question_answer
{ "query": "Represent the title:", "pos": "Represent the document:", "neg": "Represent the document:" }
Why does the government need to know or care about my relationship status?
[ "The reason they ask is that marriage is a legal status that may affect what benefits you are eligible to receive and what taxes you owe. You don't have to define your relationship status. You only have to answer questions regarding the legal status of your marriage, if any. It's not like the government wants to kn...
[ "Because that would require businesses to agree not to disclose your credit information and they have no interest in doing that. Also, who is going to loan you money without knowing your past credit history? Edit: typo" ]
eli5_question_answer
{ "query": "Represent the Reddit post:", "pos": "Represent the Reddit text:", "neg": "Represent the Reddit text:" }
Why hasn't anyone else been to the moon? It seems like something that super rich people would do for fun, like James Cameron going to the Mariana Trench.
[ "If' Elon Musk has taught you nothing else, it's that getting to space is really, really hard and expensive. Getting a submersible that can withstand the depths of the ocean is small potatoes in comparison. Least of all that you're not sittin on top of a giant bomb that can go off if something goes wrong. The worst...
[ "Because he's making amazing futuristic things happen, like electric cars and private space flight and ultra-fast maglev trains, and he's a bit of a nerd. There's a lot of bitterness and disillusionment with our technological progress, or lack thereof. Yeah, our phones keep getting better, but in a lot of ways we'v...
eli5_question_answer
{ "query": "Represent the post:", "pos": "Represent the document:", "neg": "Represent the document:" }
What's the difference between an Artifact and a Relic?
[ "In Christianity, a relic is a bone or other body part of a saint, sometimes extended to include related items like pieces of the cross on which Jesus was crucified. Other ancient objects are referred to as \"relics\" by analogy, but the word tends to imply religious significance. Any man-made item from history can...
[ "What do you want to know about them exactly?" ]
eli5_question_answer
{ "query": "Represent the question:", "pos": "Represent the argument:", "neg": "Represent the argument:" }
is there a certain amount of bandwidth available? Why is there a cap on gigs from Cell phone service? And why does the internet slow down?
[ "There is a limitation on the bandwidth available. It's usually referred to as capacity. The hardware that a company has deployed can only handle so much traffic at once. Anymore and it will usually slow everything down for everyone or result in quality issues. The cap and slowing down the internet are traffic mana...
[ "Just out of curiosity how fast is your connection? BTW you don't have 'fast internet', you have a connection to the internet." ]
eli5_question_answer
{ "query": "Represent the Reddit post:", "pos": "Represent the Reddit sentence:", "neg": "Represent the Reddit sentence about Technology:" }
How high up do you have to be above water for it to be fatal when you hit the surface?
[ "Just on a side note: Do we have to worry about you asking such a question?" ]
[ "It's not only a matter of surface tension. It's not just about the violent impact your body has with the surface, it's also about the sudden deceleration. That's what causes damage, a sudden change from moving very fast to moving slow or not at all. So it depends, if water had no surface tension but you would stil...
eli5_question_answer
{ "query": "Represent the Reddit query:", "pos": "Represent the Reddit post:", "neg": "Represent the Reddit post:" }
How does Jesus's death allow all humans who worship Jesus to be forgiven from their sins?
[ "In the Jewish tradition, animals were sacrificed for sins but only temporarily. Every year they were supposed to go to the temple in Jerusalem and do this. They were waiting (and still are) for a messiah to come to take their sins away permanently. They don't believe Jesus was the messiah for lots of reasons but t...
[ "To answer what happens if Jesus **didn't** die for our sins, some of the answers here are not correct. In general, Christian belief is that without Jesus dying for our sins, we would inevitably commit some sin, and therefore be permanently excluded from Heaven, and be irrevocably damned to Hell. No matter how smal...
eli5_question_answer
{ "query": "Represent the Reddit post:", "pos": "Represent the Reddit passage:", "neg": "Represent the Reddit passage about Religion:" }
Why is pornography not illegal like prostitution is, considering everyone involved is doing it for the money?
[ "Because...well because. Long answer, I think that the rationale is that, for pornography, you're paying two people to have sex with each other, and no one is exchanging money in return for an orgasm provided by the other party. I think there's also some expectation that the parties involved are only playing a role...
[ "I think the idea there is that by being an escort you are not offering sex, just someone to hang out with. Where as prostitution is meant for sex." ]
eli5_question_answer
{ "query": "Represent the title:", "pos": "Represent the paragraph:", "neg": "Represent the paragraph:" }
What are the relationships called between incestually related family members? If a father has a son with his daughter through incest, would that child be considered the son and brother of the daughter? Would it be the grandson and son of the father? What is the single technical term for this?
[ "The single technical term for this would be 'Fucked Up'" ]
[ "There's no standard term \"genetic siblings\" or \"genetic cousins\" that I've ever come across. However, to answer your question: the offspring will have as much in common as if they all had the same parents. So genetically they are similar to siblings." ]
eli5_question_answer
{ "query": "Represent the post:", "pos": "Represent the document:", "neg": "Represent the document:" }
How does the are corrosive acids and digestive enzymes produced without destroying the glands that produce them?
[ "Your organs release enzymes in an inactive form and when the enzyme reaches its destination it becomes activated. The proteases(things that break proteins) and phospholipases(things that break phospholipids) are secreted by the pancreas in inactive forms ( for example, trypsinogen) and are activated once the enzy...
[ "the medicine can irritate the inning of your stomach based on how concentrated it is in the cavity. i f you take it with food or water this will dilute the medicine as it dissolves and reacts with the acid in your tummy." ]
eli5_question_answer
{ "query": "Represent the Reddit question:", "pos": "Represent the Reddit document:", "neg": "Represent the Reddit document:" }
function that yawns serve?
[ "If you breathe in irregular patterns, you'll end up yawning. Kind of like a reset to get you breathing properly again, as well as giving you more oxygen etc. And for some reason, they're contagious. If you see someone, or even think about yawning, you'll most likely yawn too, just like I did while talking about it...
[ "Should have googled a bit. Because well, they do... _URL_0_" ]
eli5_question_answer
{ "query": "Represent the query:", "pos": "Represent the passage:", "neg": "Represent the passage:" }
I'm making hot dogs in the microwave. The packaging says "1 hot dog is 30 sec but 2 or more are a minute and 10 sec" Why do I have to increase time when making more than one? Won't they cook the same for the time of 1 hot dog?
[ "Your microwave oven outputs microwaves (pretty self-explanatory), for regular cooking (not defrost or simar functions), the microwave oven outputs a fixed rate of microwaves. Since there is a fixed amount, more things to cook means less microwaves for each. Think of it like putting a splitter on a garden hose to...
[ "Food heated in an oven is simply heated for much longer. This allows the heat to spread throughout the food. Put food in the microwave for 60 second, it'll probably be hot. Put it in the oven for 60 seconds and it will basically not have changed at all." ]
eli5_question_answer
{ "query": "Represent the title:", "pos": "Represent the answer:", "neg": "Represent the answer about Science:" }
Homophobia in Russia
[ "As other commenters said, religious thing is more important than you might think. One more fact to consider is, in USSR homosexuality was illegal. But also there's a fact that \"russian anti-gay laws\" is for large part is an anti-russian propaganda. There's currently no law against being gay. There's a law agains...
[ "British Empire -- > Post-WW2 / Cold War America -- > British and American pop culture -- > Silicon Valley." ]
eli5_question_answer
{ "query": "Represent the question:", "pos": "Represent the argument:", "neg": "Represent the argument:" }
Why are siblings not sexually attracted to each other?
[ "There's probably a lot of elements to it, genes and immune systems definitely play are part. Take for example the article below which suggests a 'survey of couples suggests people are more attracted to those who have very different immunity genes from their own'. So, as relatives would have similar immunity genes,...
[ "They know they are gay because they feel attracted to members of the same gender as themselves." ]
eli5_question_answer
{ "query": "Represent the Reddit post:", "pos": "Represent the Reddit text:", "neg": "Represent the Reddit text:" }
what are the pros and cons for fasting for a whole month the way Muslims fast to the human body?
[ "Just to ensure we are all on the same page: muslims only don't eat or drink during the daylight hours of Ramadan. They are free to do whatever after that." ]
[ "Their religion has come up with special rules to adapt over time. Children, old people and the sick dont have to fast. People in special occupations or life threatening conditions are allowed to eat. And mecca is on earth. So just pray facing earth and youre good. If you can time your bows when you pass the middle...
eli5_question_answer
{ "query": "Represent the Reddit query:", "pos": "Represent the Reddit post:", "neg": "Represent the Reddit post:" }
Who creates computer viruses and why do they do it?
[ "Programmers do, and for a variety of reasons. You can sell peoples personal information for a decent amount, or steal their bank account number, or turn their computer into a proxy for attacking something else." ]
[ "Whitehat = a \"good\" hacker, who searches for bugs and vulnerabilities, and when he finds one, contacts the developer and sends information about what he found, so it can be patched. Blackhat = a \"bad\" hacker, one who also searches for bugs and vulnerabilities, but uses those he finds for his own personal gains...
eli5_question_answer
{ "query": "Represent the Reddit query about Technology:", "pos": "Represent the Reddit document about Technology:", "neg": "Represent the Reddit document:" }
Why does the hot water out of the tap look cloudy?
[ "Yarr! Yer not alone in askin', and kind strangers have explained: 1. [ELI5: Why does hot water out of the tap look cloudy. ](_URL_4_) 1. [ELI5: Why is hot water from the tap always cloudy? ](_URL_3_) 1. [ELI5: Why does hot water come out white/cloudy from the tap but when I boil cold water it is transparent? ](_UR...
[ "How much water is in the bath? How much is in the kettle? How hot is the bath water?" ]
eli5_question_answer
{ "query": "Represent the query:", "pos": "Represent the document:", "neg": "Represent the document:" }
What would happen to the world economy if every country switched to the same currency?
[ "Immidiate financial meltdown, as variations in currency value (and countries revaluing--by printing more/less money, changing interest and lending rates--their currency relative to the currency of another country) is one of the major ways countries use to prevent economic depression from one country spread to anot...
[ "Because a large part of the population was fed a string of lies about how much better life would be out of the EU." ]
eli5_question_answer
{ "query": "Represent the Reddit title:", "pos": "Represent the Reddit answer:", "neg": "Represent the Reddit answer:" }
Why do viruses undergo evolution way faster than humans?
[ "Speed of evolution is linked to how quickly an organism reproduces. Viruses reproduce literally *millions* of times faster than humans; so quickly that we can observe their evolution." ]
[ "Life means you can get energy from eating something (plants, animals, sunlight, minerals, and so on), you can have babies of your own that grow up and have more babies, and you can adapt to your surroundings to survive. A virus on the other hand does not eat anything else to make energy to live. There is still a l...
eli5_question_answer
{ "query": "Represent the Reddit post:", "pos": "Represent the Reddit paragraph:", "neg": "Represent the Reddit paragraph:" }
Why do belly buttons never heal or disappear like most other scars we get on our body?
[ "They already have healed. It isn't that different from most scars where something is cut off. If your arm cut off, the end of the stump would heal in a way that vaguely resembles a belly button. It matters how deep the cut is. If it's just on the most surface layers of the skin, you won't even notice a scar. The m...
[ "Your gums do. Have you never had a cut on your gums? It heals eventually. It may take longer for your gums because when you chew you keep injuring it again, but it will heal. Edit: Seems like saliva actually speeds the healing of gums so that gums ultimately heal faster than skin." ]
eli5_question_answer
{ "query": "Represent the question:", "pos": "Represent the sentence:", "neg": "Represent the sentence about Health and Medicine:" }
What are warts and where do they come from?
[ "Warts are caused by HPV. It's a viral infection. Warts can be contagious under the right conditions." ]
[ "...acids and/or irritation. This is a pretty easy one to google if you like. Canker sores are different from cold sores too, which is good to know. Usually young people (under 30) get canker sores more often, but they can happen to anyone." ]
eli5_question_answer
{ "query": "Represent the post:", "pos": "Represent the post:", "neg": "Represent the post:" }
Why do engines have a harder time starting when they are cold?
[ "Fuel sprayed into a cold engine doesn't stay in vapour form as well as a warm engine. Much of the fuel condenses on the cylinder walls similar to a cold glass of water on a hot day. So you need more fuel to start/keep a cold engine running. The 3 components are oxygen, fuel, and an ignition source (spark, pressure...
[ "> Does the car purposely increase the idle speed to help warm up the engine Yes. It's called high idle and it is to help warm up the engine. Engines work better and last longer when they have had a chance to warm up before you give them a load (drive the vehicle). This is especially important when temperatures ar...
eli5_question_answer
{ "query": "Represent the question:", "pos": "Represent the argument:", "neg": "Represent the argument:" }
How does wind happen and what determines gusts and various speeds in different geographical locations?
[ "Wind happens because of differences in atmospheric pressure - things seek to equalize themselves so that air from high pressure area tries to flow to low pressure areas to equalize things. Air moves all the time, e.g., due to temperature differences and the rising of warmer air. The earth's rotation also causes m...
[ "The sun heats up half the Earth while the other half cools. This creates pressure differences in the air. Furthermore, the rotation of the Earth itself causes large cyclic currents of air. Combine these, and air is moving all over the Earth. Different temperatures result in different amounts of water being absorbe...
eli5_question_answer
{ "query": "Represent the post:", "pos": "Represent the document:", "neg": "Represent the document:" }
The horizon is where the curvature of the earth obsructs your view of the ground. If the Earth was flat what would the horizon look like?
[ "Probably not all that different to be honest, because aerial or [atmospheric perspective](_URL_0_) would kick in, which is the effect you get when you see distant bluish mountains fading into the sky. As things get further away the atmosphere causes the contrast to drop and the view to fade. It wouldn't be so far ...
[ "It doesn't a rainbow is a full circle, you'd actually see a full circle if you were at a high enough altitude and the conditions were just right. Most of the time the full circle is just blocked off by the horizon." ]
eli5_question_answer
{ "query": "Represent the Reddit title:", "pos": "Represent the Reddit document:", "neg": "Represent the Reddit document:" }
what's the difference between a dead body and a live body?
[ "This is a tricky question, because there are different kinds of \"dead\". For instance, someone can be brain-dead, but the rest of their body can still be alive. But for simplicity's sake, let's say that you have an unambiguous cadaver being compared to a live person. In that case, the live person has a fully-func...
[ "that's what i've always heard. something to do with the bandaid on the back of his neck." ]
eli5_question_answer
{ "query": "Represent the query:", "pos": "Represent the document:", "neg": "Represent the document:" }
Why can drinking TOO MUCH water make your muscles cramp when exercising?
[ "What causes cramps is loss of electrolytes. Drinking too much water can cause your system to flush out too many electrolytes, but it is not specific to drinking water while exercising but rather you drinking too much water in general." ]
[ "Alcohol is a diuretic: it makes you pee. You've probably noticed that. Even drinking something like beer, you pee out more than the water that was in the beer. So, you pee a lot, you get dehydration. Common symptoms of dehydration? Headache, nausea, muscle pain, exhaustion. Also known as a hangover. How do you tre...
eli5_question_answer
{ "query": "Represent the title:", "pos": "Represent the comment:", "neg": "Represent the comment:" }
How does Google maps track my location even though I have no Wi-Fi or a sim card?
[ "GPS. GPS requires no Wi-Fi or any connection at all. GPS works with geo-stationary satellites which constantly send signals to earth. Lots and lots of satellites. Those signals include which satellite send the signal and the time when this was send. A module within the smartphone receives those signals. If it rece...
[ "When you have no sim card inserted, the phone can still connect to nearby cell towers however you'll get a no service notification because whichever network the cell tower belongs to is refusing connection since it can't tell what network the phone is linked to. In the United States all carriers are required to co...
eli5_question_answer
{ "query": "Represent the Reddit post:", "pos": "Represent the Reddit document:", "neg": "Represent the Reddit document:" }
Why do dogs go crazy, and get "the zoomies," after a bath?
[ "Actually we don't know the real reason why dog's have a habit of doing this but there's a lot of theories. 1. Dogs don't like the extra weight of the water on their bodies and so they try and get dry as quickly as they can 2. The water washes their scent and so they run and roll around in order to get their scent ...
[ "Dogs from time to time get what we call the \"Dancing fever\" which makes them do the shake." ]
eli5_question_answer
{ "query": "Represent the Reddit question:", "pos": "Represent the Reddit document:", "neg": "Represent the Reddit document:" }
The life cycle of the Sand Worms in the Dune books
[ "Wikipedia has a pretty detailed but fairly straightforward entry which includes a \"Lifecycle\" section - _URL_0_ (May contain spoilers for the whole series) Edit: it's Wikipedia, not a dedicated Dune wiki. Also formatting why Edit 2: gave up on formatting" ]
[ "A blueshifted, speeded up version of the history of Earth." ]
eli5_question_answer
{ "query": "Represent the Reddit post:", "pos": "Represent the Reddit document:", "neg": "Represent the Reddit document:" }
Cyprus rejects the EU bailout plan: how big is this?
[ "Not correct. The truth is, that nobody knows right now. This is completely uncharted territory. Anything can happen, from what you said, to receiving a bailout from Russia, to receiving a new settlement from the EU. In the meantime, the EU has said that temporarily, they will continue supporting banks in Cyprus as...
[ "Nobody really knows and economists are divided in their theory. Personally, I do not think much will happen as for the past years most investors who are worth their money would have prepared for this by slowly getting out. I am not entirely sure but I believe many banks already revalued their greek assets by -50% ...
eli5_question_answer
{ "query": "Represent the Reddit title:", "pos": "Represent the Reddit document:", "neg": "Represent the Reddit document:" }
An easy way to tell which Asian language you're looking at.
[ "Korean is pretty easy to distinguish. There are lots of perpendicular lines and circles. _URL_1_ As far as Japanese vs. Chinese, that can be harder (assuming, of course, that you can't read either). Japanese has both a phonetic alphabet (two actually, hiragana and katakana) and kanji, which are the pictographs, bo...
[ "It has a few different meanings in different contexts. What setting are we talking about?" ]
eli5_question_answer
{ "query": "Represent the query:", "pos": "Represent the text:", "neg": "Represent the text about finance:" }
Why do shipping boxes cost more than moving boxes?
[ "Different boxes have different \"crush strength\" and weight bearing capacities ratings. There should be a stamp on the box that tells you how much abuse the box can take. Moving boxes are usually \"ECT 32\", which stands for \"Edge Crush Test 32lbs\". This means that the box is certified to take 32lbs/in on its...
[ "They wait until lots of orders are placed, then ship it all at once. That's why it may take up to 4 weeks for shipping. Might take 4 weeks for people to buy enough stuff to justify shipping it." ]
eli5_question_answer
{ "query": "Represent the Reddit query:", "pos": "Represent the Reddit argument:", "neg": "Represent the Reddit argument:" }
Why do girls typically have long hair and boys typically have short hair? Was there a point in time where this wasn't the case?
[ "Mostly just how the sexes prefer to have their hair. Men through time were usually the breadwinners, and soldiers, which lead them to adopt a shorter hair style. In the 20's most women adopted a shorter hair style as they started to become more liberated. When metal/rock was popular, men grew their hair longer. It...
[ "It's just a social thing. There's not really logic behind it - there was a time when women wearing men's clothes was just as odd as a man wearing woman's is today." ]
eli5_question_answer
{ "query": "Represent the post:", "pos": "Represent the text:", "neg": "Represent the text:" }
the difference between Tex-Mex and authentic Mexican food.
[ "Tex-Mex is an Americanize version of Mexican cuisine. From what I understand in Mexico, and South American countries ground beef isn't really a thing (It's actually frowned upon). They prefer to chop up steak. It's basically more appealing to the masses in America and skips a lot of corners in the traditions and f...
[ "Real Chinese food and Americanized Chinese food are completely different. The same goes for any other type of food Americanized" ]
eli5_question_answer
{ "query": "Represent the question:", "pos": "Represent the document:", "neg": "Represent the document:" }
If there is a bee in a car and the car is travelling at 50mph, does the bee have to fly faster than 50mph to move from the backseat to the front seat?
[ "> does the bee have to fly faster than 50mph to move from the backseat to the front seat? No. The bee flies by pushing against the air around it, and all of the air in the car is moving along with the car. It's much the same as the fact that, even though the earth is rotating from west to east at hundreds of miles...
[ "Why would they? The air in the car is moving along with them. When you're coasting on the highway at 65 if you put your hand up in the air does it get thrown back behind your head? No because your arm is already moving at 65 MPH." ]
eli5_question_answer
{ "query": "Represent the title:", "pos": "Represent the post:", "neg": "Represent the post:" }