query stringlengths 20 300 | positive listlengths 1 1 | negative listlengths 1 1 |
|---|---|---|
Relationship between particles, waves and fields? | [
"I don't know why you think they can meaningfully be compared. \"Particle\" refers to two major distinct concepts. There are classical particles, which are just hard little spheres with whatever properties you need and (generally) negligible volume. And there are quantum particles, which are the... well, *thingies*... | [
"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 ... |
How does water spontaneously evaporate? | [
"If you had thousands of bouncy balls in a big room with high walls, a few balls would occasionally get bumped out by the other balls."
] | [
"Your sense of smell works by picking up molecules from the air. Many things emit these molecules regularly. \"Volatility\" is a measure of how frequently something will emit an odor-causing molecule. When temperatures increase the speed of atoms increase, which leads to an increase in volatility. Basically, you s... |
The resistance and uprising in the north of Spain during the Muslim occupation | [
"The north in Spain has a lot of mountains and hills. Most people ignores this, but Spain terrain is hell for an army, especially the north. This is also the reason for the French army being defeated mostly in Spain during the Napoleonic Wars. This, of course, isnt enough to win the war. It gave time and room for ... | [
"Post-Roman England? Anglo-Saxon England? Viking England? Norman England? England of the Magna Carta? Late Medieval Elizabethan England? The middle ages stretched almost a thousand years with a lot of different societal, cultural and religious differences in that time. Regardless, we have no evidence that ethnicity... |
What kind of erosion is on these Mar's rocks? | [
"We can't say for sure, as the reason we send these rovers is to better understand this very geology. However, we do know that the Mars surface experiences considerable storms and winds. Those will carry a lot of dust, which in turn can abrade exposed surfaces. So that will polish exposed rock very effectively. Tha... | [
"So say it was possible to terraform mars. If the planet no longer has a core capable of producing a magnetic field..wouldnt the atmosphere we try to create just continue to be wiped away by solar winds?"
] |
Why are objects in the passenger side mirror in a car appear farther away than they actually are? | [
"The passenger-side mirror is slightly convex, to give you a wider field of view. This comes at the cost of making everything reflected by the mirror look slightly smaller, which your brain interprets as being further away."
] | [
"Unfortunately this will get deleted because it's not an explanation but it reminded me of an experiment I did. I used to jog laps around our large horse pasture every afternoon because our dirt road at the time was a bit to beat up for it. By the end I was always totally spent and the last lap took for-ev-er. I wo... |
Why is Gerrymandering still a practice in the U.S.? | [
"1. It's actually quite hard to phrase a law that would ban it. The district boundaries have to get drawn somehow. You'd either need to change the US voting system to get rid of districts entirely or legislate a specific mathematical algorithm to pick the boundaries. 2. The people who could ban it are the people wh... | [
"Same reason you don't keep turning the ignition key for hours in your car when it won't start -- there's no point in doing it, it won't get better."
] |
Credit Default Swaps | [
"It is essentially an insurance policy. A \"swap\" is a general term for a contract where risk is exchanged. A \"Credit Default\" is what happens when some debt goes unpaid. So a Credit Default Swap is a contract where one party exchanges risk of an unpaid debt for some kind of consideration with another party. The... | [
"Sort of a side question, but my Russian Jewish Grandfather used to tell me that pogroms (and anti-semitism as a whole) back in the day were orchestrated by governments as a way to get out of paying their debt. Is there any credence to this?"
] |
[MOD POST] 2013 Korean Crisis (Official Thread) | [
"I will travel to Seoul this saturday for work, I will be there for a week. Should I be worried? My company has contacted the local embassy and they seem confident enough that nothing will go wrong. Wish me luck."
] | [
"I have a question for you. Do you want the version that is super, super long and includes a write-up on what actually went down at Munich, and the subsequent responses back and forth? Or do you want the shorter version that only talks about media coverage of the incident and how it changed things?"
] |
Why do some of us put so much emotional investment in to people we barely know, i.e. celebrities? | [
"[ Humans are social creatures, psychologists say, and we evolved — and still live — in an environment where it paid to pay attention to the people at the top. Celebrity fascination may be an outgrowth of this tendency, nourished by the media and technology.](_URL_0_)"
] | [
"There's an effect known as the [nocebo effect](_URL_2_) which is the opposite of a placebo. In that case, the patient recieves an inert treatment and has a negative effect, instead of the positive effect measured from a placebo effect. [This is a fun video that explains the nocebo effect](_URL_1_). It sounds like... |
What is happening in your body when you get a second wind of energy? | [
"That is a result of a stress hormone called Cortisol, one of your fight-or-flight responses that your body decided to kick off as a response to recognizing you need to continue functioning past your normal operating limits. Cortisol sets forth a reaction that increases your blood sugar so you have more available e... | [
"I'm sorry that I'm no expert, but I remember reading about this the last time a similar question was asked: _URL_0_ Basically, you percieve time faster after your run because of endorphines released during the work out, which means that the music seems slower. This is apparently also why a lot of rock musicians pl... |
Why does this weigh-boat get lighter after I light it on fire? | [
"When you burn ethanol, you get CO2 and water. CO2 is a gas, and will escape into the atmosphere. Therefore, there will be fewer atoms left on top of the scales after burning than before, so it will show less weight. Much of the water will also escape into the air as water vapour."
] | [
"Hydrolysis of water *definitely* has a reverse reaction. It's called \"oxidation,\" or more commonly, [\"combustion.\"](_URL_1_) & #x200B; You can absolutely burn hydrogen. And you are correct - it [releases quite a bit of energy.](_URL_0_)"
] |
How would single fathers in the middle ages feed their children? | [
"Wetnurses. Women who had children that had died, or just had an excess of milk (not too uncommon) would often work as wetnurses, feeding other peoples' children when they themselves could not. It was common among the upper classes to use wet nurses during medieval times. Since childbirth was common and infant mort... | [
"Related question: how much opportunity was there for divorced women at the time to remarry or find other means of support (by themselves or family)? How much did it vary by region or socioeconomic status?"
] |
How come only humans menstruate? is there any evolutionary advantage to a menstruation cycle? | [
"Almost all placental mammals have an estrous cycle, but when they don't need their uterine lining anymore they reabsorb it into their body rather than shed it - the shedding of the uterine lining is what makes up menstruation and differentiates an estrous cycle from a menstruation cycle. Many primates - monkeys an... | [
"We don't *have* to cook our meat. We also could walk around with a heavy parasite load, like most animals do."
] |
Why is it that when we feel sudden pain (like a sting) our hearing seems to amplify? | [
"My guess, (not an expert) your body says \"hey someones attacking us, focus\" cuz adrenaline. Basically your whole body goes into defence/ready mode because it thinks it's in danger. I wpuldnt be surprised if your eyesight/smell/sense of balance get better immediately after that type of event"
] | [
"First, a minor terminology nitpick/pedantry: a \"decibel\" is just a type of ratio - an increase by 1 dB basically means a 12% increase. When we talk about a 40 dB sound, we mean a sound that's 100 times louder than the quietest sound a person can hear. But you're asking about sound intensity. Sound is a wave, and... |
[META]Can we fix this? (Mobile) | [
"Funnily enough, we are *at this very moment* looking at changing the display of this subreddit. How are you browsing this page? Are you using an app or the mobile browser?"
] | [
"Search bar over there ====== > Gets asked about once a week. This isn't a complaint, just a PSA about using the search bar before you ask a question."
] |
Why I can touch arms behind my back - good hand over shoulder, bad hand under shoulder . But not the opposite way round. | [
"Well, i just had to try that after reading this. weird."
] | [
"Words that often appear together are called \"collocations\", and it's simply the way we've learned them. We tend to process them as indivisible units -- phrases, rather than separate words. For example, when we say \"apples and oranges\", we're not thinking of two different kinds of fruit and then putting them in... |
Why is the word 'number' abbreviated 'No.' when there is no "o" in it? | [
"It's the first and last letters in Latin \"numero\". _URL_1_ _URL_0_"
] | [
"Say you have a banana and an apple. How many ways can you arrange those on a table? You can put the banana on the table. You can put the apple on the table. You can put both on the table, or you can put none of them on the table. There are four ways total that you can arrange these fruits. This represents 2 to the... |
What justifies a lawsuit against a medication? | [
"Well, just because you advertise a risk associated with something doesn't mean you are allowed to still have a product or situation that can result in injury. For example, I can't decide to throw razor-sharp caltrops all over my yard and post a sign saying \"Warning : Crossing this yard may include risk of injury ... | [
"This is my field of research. My group in graduate school loaded ultra-short SWNTs (US-tubes) with [**Gadolinium ions** for MRI contrast enhancement](_URL_0_), with [**AtCl** for alpha therapy of cancer](_URL_3_), with [**molecular iodine** for CT enhancement](_URL_2_), and with [**cisplatin** for anti-cancer drug... |
Does nonviolent protest work? | [
"I can't speak to the author's thesis, but I can offer some thoughts on a particular example of nonviolence. The AIDS activist group ACT UP used confrontational direct action to bring attention to the AIDS crisis. They were, as a rule, nonviolent. They accomplished really amazing things and really contributed to b... | [
"Same reason you don't keep turning the ignition key for hours in your car when it won't start -- there's no point in doing it, it won't get better."
] |
How come some moments in life feel like they happen in slow motion? | [
"Here: this is la link to Radiolab's \"Falling\" episode. It deals with exactly what you're wondering about: the perception of time and under which circumstances it can change (and trigger this \"Slow-mo\" feeling). _URL_2_ BTW: Radiolab is great."
] | [
"I don't think you are going to get a valid answer. Music in and of itself is a confusing scientific phenomena. Our attachment to it is a strange byproduct of various cortical functions. We don't really understand why it exists (though there are many theories, none with anything close to proof). The most likely exp... |
How do global rules of war work? How does one enforce the rules while at war with another country? What would stop an opposing power from breaking these rules? | [
"If you break the rules, you will be sanctioned. This makes it a lot harder to access the global market, making you poorer and less able to fight the war. If you lose the war then you may be tried in a court for war crimes and imprisoned. Alternatively, the enemy may start to commit war crimes against you and your ... | [
"It is exactly as you think it is. When we vote we often have the option for a write-in candidate. There are requirements to get a candidate listed as an option on the ballot, but just because someone isn't on the ballot doesn't you can't vote for them. It is rare for a write-in candidate to win, but it has happene... |
How it is possible to understand a language but not be able to speak it yourself. | [
"Forming words and sentences is a different skill set to matching heard words with their translated counterpart. You can hear cheval and connect that with a horse but being able to know you want the word for horse and that the word is cheval is harder. Basically multiple choice being easier versus short answer on ... | [
"Same reason why certain food can taste nasty. It’s just not your taste. You’ve adapted to your own style. Nothing wrong with that, imo."
] |
Thought experiment: Would a row of tiny speakers, emitting a noise sequentially, but very rapidly, cause a sonic boom? | [
"No, nothings actually moving to break the sound barrier. To an observer it would just sound like the sounds are closer together than they are."
] | [
"Making some simplifying assumptions (eg friction doesn't exist)... yes, all of them become excited. This is true for 1D strings too, not just for circular membranes. To illustrate, let's model a \"pluck\" of a string as meaning that at t=0, the string at rest but is deformed into a perfect triangle shape. Then we ... |
How does gravity affects time ? | [
"Time proceeds more slowly for an observer who is located in a stronger gravitational field. This is why clocks run slower in gravitational fields: because they're measuring actual, physical time, and time passes differently depending on the gravitational field you're in. There's no \"absolute time\"; time is relat... | [
"It is much more complicated than that, and is a very active area of research. A professor at my school, David Eagleman, studies this stuff. He's a complete badass, check him out: _URL_0_ edit: one of his famous experiments involves using magnetic energy to slow the propagation of some signals in the brain, and i... |
Why does the iPhone 8’s home button only press down when pressed with a finger? | [
"I believe it doesn't actually press even with a finger. There's just a taptic response so it FEELS like it pressed. When you have a cloth over it the button doesn't respond so no response."
] | [
"Human engineering, which Don Normal originally called \"The Psychology/Design of Everyday Things\", influences many modern design choices. The classic example is the Norman Door Bar. When you approach a glass door, should you pull the handle bar or push it? If you write a sign, then you have to presume everybody r... |
In 20th century warfare, did soldiers discard their magazines or did they attempt to keep the empty ones during combat? | [
"Although we are encouraged to retain the magazines, technically there is no obligation to do so. They are categorised, in the US military, as expendable items. Of course, someone has still got to pay for them, which is why in training in particular they are retained, and if your supply system is limited, you may w... | [
"As for the actual process, it'll depend on the specific tech and region. Dispersion happens, as does independent development. The thing to remember, though, is that we can't assign excessive significance to similarities in things like weapons. While there's a plethora of ways to depict a sun god or the number 3, t... |
Why do clear phone cases turn brown? | [
"Almost everything gets slowly degraded by UV light, that’s light from the sun, (and some lightbulbs too). The plastics that make up your clear phone case degrade more rapidly because they absorb that UV light all the way through, instead of just bouncing off the surface."
] | [
"_URL_1_ _URL_0_ Only a small fraction of dust come from your skin cells, so you wouldn't really see it get dusty faster due to that."
] |
What is controversial about Windows 10's privacy policy? How is it different from previous versions? | [
"Windows 10 synchs much of your system status data/settings with a Microsoft Internet server. The \"purpose\" of this is to have copies of this data because you're not trusted to backup your system. The \"side effect\" of this is that Microsoft will know a lot about your computer, printer, ISP, and other things tha... | [
"Is [this the article](_URL_0_) you are talking about? If so, it is a pack of lies. I don't have time to go through the whole piece, but the first two \"signs\" are both wrong. Lie #1 - The world **is** warming. There hasn't been a \"halt\" in warming since 1998. March of this year marked the [337th month in a row]... |
Smoking tobacco is an expensive habit. So why are poor people twice as likely to be smokers as rich people? | [
"Sometimes your addiction is all you have, so what ever change you can scrap up you spend on it. Also, and i could be wrong, but i think poor people roll their own, they buy the tobacco by the can and roll it, maybe its cheaper that way."
] | [
"An experiment was done in which rats had electrodes connected to the pleasure centers of their brains. When researchers activated the electrode by a lever that the rodent could push, it would press the lever as much as 700 times per ~~minute~~ hour. It would prefer pressing the lever over food and water, eventuall... |
What is the current state of research for "Morgellon's Disease?" Is it still regarded as a psychological issue? | [
"Yes. Research has found it to be more or less a variant of delusional parasitosis, which has been described for many years. Patients are generally not convinced, leading to self-reinforcing Internet communities. This does not at all mean there is no suffering or lack of symptoms, but the fibers patients bring in t... | [
"I'd like to help, and I'm sure I could come up with something, but I'm not sure I fully understand what you're looking for. Are you looking for a book, journal article(s), or something else? And, are you looking for information on one event in the Israeli-Palestinian conflict, or an overview of it? I can say defin... |
Is there any truth to the claim that there is a correlation between temperature and temperament? | [
"According to this [more recent work](_URL_1_), weather does seem to have an influence, when taking into account time spent outside. [This modelling paper](_URL_0_) also finds an association between weather and crime rates. Sidebar: Keep in mind that there are many other factors that influence these relationships, ... | [
"~~[Here's](_URL_1_)~~ a pretty good article that sums up a lot of the changes. Essentially, sleep is important for a number of different endocrine processes in your body to return to homeostasis, including the cortisol stress pathway. People who are sleep deprived have higher levels of cortisol, making them grouch... |
How do USA cannabis dispensaries do their banking? Are there creative work-arounds to the USA Federal restrictions? | [
"While most larger banks won’t take their business, plenty of smaller local banks and credit unions are happy to work with marijuana business owners for their needs. It was dicey for a while in the early days as most banks were not going to play ball, but these smaller local institutions came in and provided servic... | [
"U.S. sales taxes are VERY Complicated. We don't have a national sales tax that applies evenly across the board. Sales tax goes down to the state, county, and even local levels. The tax you pay in one store could be completely different to the tax you pay in the store across the street in extreme circumstances. Plu... |
Why some people, when drunk, are mellow and merry, and some people are quite the opposite - abusive, aggressive, and violent? | [
"Hard to answer in non-anecdotal way. You know what they say - alcohol removes inhibitions. One can say it reveals the \"true\" (in a sense) personality."
] | [
"I'm not citing a source because this is just speculation, but mood and neurotransmitters probably have much do with it. You haven't established a routine, so your body doesn't have a circadian rhythm in terms of when to release which chemicals in the body. That might make you awake and alert and driven at noon on ... |
Why do I feel so nervous when I walk past a policeman? | [
"Because the uniform and their demeanor marks them as a person of authority and we are trained, ever since we're young, to listen to people of authority. This is not always a good thing (see [Appeal to Authority](_URL_1_)) but it generally is (just like a warning sign before a speed trap, or a blinking light inside... | [
"Simple: Their music doesn't act as a confession. Music is a performance, you wouldn't arrest an actor for being a murderer just because they play one in a movie would you? Similarly you wouldn't arrest Eric Clapton for admitting he shot the sheriff, and you can't arrest a rapper for saying they are \"ridin' dirty\... |
How does the color of a red velvet batter get so vibrant? | [
"Red Velvet cake is actually just chocolate cake with red food colouring most of the time. So when you see it in shops and cafes it has that hot red colour because it's the red colouring mixed with the type of chocolate that was used in the cake. Obviously the colour of the cocoa powder will make the red darker, an... | [
"[\"All around the Mediterranean there are wide stretches of beaches composed of crushed murex shells, silent witnesses to the geographical scope and longevity of the Phoenician dyeing industry\".](_URL_0_) It was all from a gigantic murex snail farm off the coast of modern day Lebanon, which was notably monopolize... |
If a car generates 1.5G of downforce from aerodynamic components, does the weight of the car change? Why or why not? | [
"The best I can do is in science and engineering, the weight of an object is usually taken to be the force on the object due to gravity. Since there is no change in the mass of the vehicle and no change in gravity it is not possible for the weight of the car to increase. Adding a 300 pound sandbag increases the tot... | [
"$1 in 1950 would buy a lot more then than it does today. $1 in 1950 adjusted for inflation to 2016 is the amount of stuff that $1 in 1950 would buy today. for example. if a ford car costs $1000 in 1950 and $20000 today. we can say that $1000 in 1950 adjusted for inflation is equal to $20000 today. of course, the ... |
How do headphones work? | [
"It is surprisingly simple. The plug has two contacts. You can see the black plastic/rubber barrier between the front end of the plug and the back (sometimes there are 3 parts, then there is a mic, too). Those connect to two cords in your headphone wires, one positive one negative. There are little magnets in your ... | [
"Essentially, yes. The reason your foot doesn't go through the ground is because of the electromagnetic interactions between matter. The fact that they can't collide means that the kinetic energy of your shoe is transferred. Some goes into the ground as heat, some goes back into your foot as heat and as reverberati... |
I've heard that people with anxiety disorders take comfort from the sensation of pressure: hugs, having someone sit in their lap or lay on/with them, and being tightly wrapped in a blanket in order to sleep soundly. Why is this? | [
"Because you read an article that oversimplifies things, possibly. First, there are many anxiety disorders, with different causes and different treatments, and not every treatment will work for any specific case. For some cases, in fact, being wrapped in a blanket may well *trigger* an anxiety attack! In generali... | [
"Do you mean \"covering oneself\" as in sleeping under sheets and/or blankets? Or do you mean pajamas? As for why we do it, try /r/asksocialscience."
] |
If matter and Energy are two sides of the same coin, and we have real life examples of matter converting to energy all the time (chemical reactions), do we have any naturally occurring examples where energy is converted to matter? | [
"High energy showers induced by cosmic rays in the atmosphere."
] | [
"Since momentum is conserved, the bullet can't impart more momentum to its target than it initially has. Since the recoil in a gun isn't enough to throw the shooter back, the bullet doesn't have enough momentum to throw a person forward. Mythbusters did a segment on this, and they showed that before special effects... |
How did we train cavalry (read horses) to charge into battle without fear | [
"Having had horses before, they are fairly timid, and also quite dumb. Usually cavalry horses were specially bred and trained to act almost specifically as war horses. Combine that with blinders and spurs and you've got a mounted soldier."
] | [
"**If you're new to the thread, please don't post the Mythbusters episode again. Mythbusters is entertaining but it's not history (or more specifically, it's not historical proof of anything.)** The short answer is no, not that we know of. /u/davidaop, our pirate expert, and I have both answered [questions about th... |
Chemistry:How do you figure out what something is? | [
"Step 1) Use a separations technique such as HPLC, solid phase extraction, or liquid liquid extraction to fractionate the asparagus Step 2) Repeat the fractionation with urine Step 3) Use high resolution LC/MS to analyze all of the fractions, looking for chemicals that are common to the asparagus and urine Step 4) ... | [
"Typically you just know. If you have experience in music you can typically tell what the instruments are."
] |
What is it that causes cysts/spots to rupture with such force? | [
"The spot is visible because of pressure build up so when you pop the skin the small amount of pressure that there is, forces the gunk out. With toothpaste the only pressure comes from your fingers so it will come out as hard as you squeeze"
] | [
"If you had thousands of bouncy balls in a big room with high walls, a few balls would occasionally get bumped out by the other balls."
] |
A photons wavelegth increases because of cosmic expansion. Does the same happen to the (De Broglie) wavelegth of matter-wavefuntions? Does this mean all matter, not only photons, lose energy/momentum? | [
"I am not disgreeing with /u/Para199x answer, but I think you can bring it more on point. The problem is two-fold: 1. For matter we have no clea refererence as for photons, where we have known energy distribbutions from atomic/molecular spectra and the CMB, where the initial thermal spectrum can be calculated. 2. ... | [
"1) in short, yeah, but that's nothing particularly special. Only light in visible frequencies is visible. Anyway, to get to your question, all things have some wavelike nature where the wavelength=planck's constant / momentum. Momentum is a thing that describes how \"much\" motion an object has. And it's defined t... |
Why does the switch on a power strip say RESET/OFF instead of ON/OFF? | [
"Circuit breaker built into it. If it trips it will turn off, so you press \"reset\" to reset the breaker."
] | [
"Usually it's from old season or when they have a surplus of a product that they thought was going to be a big hit but didn't sell. There are also some outlets that are the same name but come from a completely different factory with crappier material. I'm Canadian, so for example the company Roots. The \"normal\" s... |
How did they take the picture for Nirvanas Nevermind cover? | [
"Interestingly enough, babies [instinctually know how to swim](_URL_0_). Although I'm *sure* there were parents and lifeguards like, RIGHT behind the cameraman ready to save the baby if something went wrong, there probably wasn't a lot of danger."
] | [
"The length of the lens and distance from the person [can warp the way your face looks](_URL_0_), it's a matter of perspective. Most cheaper cameras aren't the 'right' length and that's why when people go to professionals the pictures are usually more flattering."
] |
If you slowed down your digestion enough, could you drink a very large amount of alcohol in one sitting but stay only slightly intoxicated for an extended period of time? | [
"The majority of alcohol absorption is in the normal way (intestines, hepatic portal vein etc) despite what some answers below are suggesting. I think the confusion has arisen as SOME alcohol is absorbed in the stomach but the majority is absorbed later. This is why having a fatty meal prior to a drinking session a... | [
"Written words code for at least two pieces of information: sound and semantics. The reason it is possible to read without absorbing information is because it is possible to superficially decode the words into sounds and not decode the sounds into semantics. One way you can theoretically increase your reading speed... |
Why do we expect alien life to have formed in earth like conditions? Is it scientifically possible for there to be other forms of life that don't require the same environment to thrive as earth life does? | [
"Absolutely, but right now our best bet is to look for conditions that we know are able to support life."
] | [
"very very limited. space outside of Earth's atmosphere is dangerous. this is where the ISS is. primary danger is micrometeoroids that can puncture. basically putting your space ship in front of a machine gun and hoping all the bullets miss you. space outside of Earth's magnetosphere is even more dangerous. i... |
How does charcoal or black grease that football players apply reduce glare from stadium lights | [
"Instead of the bright lights reflecting off the skin under their eyes, the black paint absorbs the light. This helps them see better in sunny conditions."
] | [
"Analog TVs had a circuit called the [\"color killer\"](_URL_0_). It was designed to eliminate any color from the screen when B+W programming was being received. The B+W signal did not have a [color burst](_URL_1_) reference signal, and it is the absence of this color burst which triggers the color killer. Static m... |
Are the children of identical twins genetically half siblings? | [
"Yes. Genetically you would not be able to tell which twin was the parent and at a genetic level either one could be the parent. (Or to put it another way MY twin's kids look way too much like mine.)"
] | [
"I'm not familiar with this, but I will state my contention with the article for making claims without citing them or backing them up in any way. The original article linked 404'd for me, so I wasn't able to read it. These types of ceremonies for adoption were very common in many societies, and many of them had the... |
What would be the bodily effects of taking a pill giving you 17 times the amount of daily Vitamin C for a year do to your body? | [
"Vitamin C is water soluble, meaning that the body takes in whatever level of vitamin C it needs and flushes the rest out through the kidneys. The body does not store Vitamin C, so any additional dose is removed. The percentages of RDA appeals to the \"more is better\" and does nothing but create urine high in Vita... | [
"It's bad because it's an absolute cap on the number of dollars that can be in circulation. If the economy grows, but the amount of gold owned by the government does not, then a dollar's value rises to the detriment of anyone holding debt. If a dollar represented 8 hours' work for you, and the economy grows tomorr... |
Why are police in the US using more and more military/unnecessary equipment? | [
"You're pretty much right but I think its also kind of a cop out answer that we get. The wars are winding down so yeah there is a lot of surplus equipment but why not just keep it for the next war? Because then defense contractors would cease to create profit. And there are so many voting districts with defense com... | [
"Greetings everyone. In the few minutes this sub has been up, it's attracting sub-standard responses. Just a reminder of a few of the rules: * no responses covering events/conditions post-1994, per this sub's \"20-year rule\" prohibiting discussion of current events * no anecdotes * no speculation OP: your question... |
What caused the Middle East to contain most of the worlds oil? | [
"Basically there was a lot of organic matter that was deposited, buried and compacted, and left undisturbed and fairly stable due to complex plate movements. Also, the warm climate near the equator was helpful in procuring large organic deposits. This link gives an in depth explanation. I would recommend scrolling... | [
"I believe someone forgot to pay the rent on a system and when another group came in to claim it, the original group that forgot to pay the rent started fighting them. And...yeah. It's become what it is now."
] |
Since whales are mammals, and need water to live like we do, how do they get it if they live in salt water, which is bad to drink? | [
"They get it from the food that they eat. Whales, and dolphins, can't starve to death, they die of dehydration first. They do get a little bit from sea water but their kidneys can't remove much salt so if they accidentally drink too much sea water when they eat that could kill them."
] | [
"I am going to assume you meant breast milk... And I'm pretty sure an adult could survive for quite awhile on breast milk alone, if there was a person who could produce enough of it to fulfill their caloric needs. Babies don't require a lot of calories, mainly just nutrient rich healthy fats and water. Breast milk ... |
Why do beards have ginger hairs in them? | [
"It has to do with the redhead gene being recessive. The person with red patches is a carrier for said gene but it is not dominant compared with the other gene he has"
] | [
"Digital sensors use what's called a [Bayer Filter](_URL_0_) over the sensor to filter out the colours. As you can see in the images on that page, red pixels are only a quarter of the total number of pixels. This actually roughly matches the sensitivity of your eye, providing a more accurate colour balance. A side ... |
Oil price goes up, market crashes. Oil price goes down, market crashes. WTF?? | [
"Basically OPEC dropped the price of oil per barrel because they didn't want to lose money. They wanted to drive the price of oil so low that we have to stop fracing cause we wouldn't make any money. Certain countries need to sell oil for a certain amount per barrel otherwise they won't make any money. They can dri... | [
"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... |
What are early instances of whistling used for music or song? | [
"While I can't comment on the historicity of whistling, I CAN tell you that the theme to The Good, The Bad, and The Ugly was never whistled. It's played on an Ocarina and a Harmonica, with drums in the background. There's no whistling at all."
] | [
"Hi, re your title question, check out this recent response from /u/Bernardito * [Is Wagner's Ride of the Valkyries being blasted from helicopter-mounted speakers during the Vietnam War an invention of Hollywood, or based in historical fact?](_URL_0_)"
] |
If two small objects were placed in a vacuum without gravity, would they be attracted to one another? | [
"Yes. For a normal vacuum, yes these objects would be, but for small masses, the kinetic energy needed to ensure they never collide or fly off into infinity is tiny."
] | [
"Water tends to want to \"stick\" to glass, and other surfaces. This is called adhesion. This is one of the forces acting to turn the water as it pours. The faster you pour, the more force that is required to turn the liquid to keep it attached to the glass. At some point, the water is moving too fast for the adhes... |
How are professional athletes paid? Per game? Or Weekly, etc? | [
"It's going to depend a lot on league rules, country and state laws, etc. Generally the all stars - like LeBron - would be allowed to determine how they want to receive payment so that they can minimize taxes or whatever. This means, yeah, he could say I want it all up front. Or he could say, break this up weekly ... | [
"This is a really dumbed down explanation, compared to the other answers. The live memory in older video games (like the NES) is very simple. Think of it like 10 boxes, the first one is your score, the second is your current level, third one is your lives, and so on. Now, let's say the maximum score was 999. Seth m... |
Why does sleep have such restorative properties? | [
"There could be a lot of reasons sleep is beneficial to the immune system, including [fever generation](_URL_0_) and others mentioned in the sleep wikipedia page. But it's also just a long period of quiescence, which shouldn't be discounted."
] | [
"Two social psychological concepts come to mind here. State dependent memory encoding and Erickson Arousal theory of learning. State dependent learning states that what ever state of mind you are in during encoding is the state of mind where recall would be optimal. Erickson arousal theory states that learning is m... |
After a woman gives birth and the organs fall back into place, is it possible for them to go back in the wrong way? | [
"During pregnancy, the organs are simply displaced over time by the growing uterus. After delivery, the uterus doesn't shrink down to pre-pregnancy size. It takes over a week for it to involute. [Immediately after delivery, the top of the uterine fundus is above the level of the navel.](_URL_1_) During this time, t... | [
"A lot of the data your brain uses to control balance is visual. Try walking a balance beam with your eyes closed. This phenomenon happens sometimes because your brain doesn't realize that the object it is using as a stationary frame of reference for your movement, is itself moving. Your brain really thinks you ar... |
Why does firing clay prevent water from making it malleable again? | [
"Clay is a mixture of powder and water, when you fire it you first remove the water (drying) and then by heating high enough you initiate a process called sintering. The grains of the powder start to move and weld together forming necks between them. As the the process goes on, you eventually end up with a dense mo... | [
"Nerves are more sensitive when they are moist/warm. Same way you can't taste anything if your tongue is dry and can feel temperature much more if your hands are wet. Once you moisturise your hands the nerves become more sensitive to temperature and touch. Which can ache if the skin condition is bad enough and has ... |
What is the purpose of aftershave? | [
"To kill the bacteria on your skin and prevent infection from the little nicks you may get. It also eases razor burn."
] | [
"_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 are most people, especially military taught to aim "center mass" when there's such a prevalence of body armor in a modern conflict? | [
"Hitting a target is harder than it would seem from TV and video games. You aim for center mass to increase your hit probability, simple as that. Most body armor is not very good at stopping rifle rounds. And the plates that can stop a rifle round are heavy and bulky and relatively small, I think it'd be generous t... | [
"How loud a noise is in one ear, relative to the other ear, allows the brain to estimate where the source of the sound is coming from. When both sounds in each ear are in sync and being received at the same volume, your brain figures that the source of this noise must be located between your two ears; the middle (o... |
How come sometimes (especially when I lay down to go to sleep) it feels like my heart is beating so hard (not fast) that it shakes my whole body? | [
"You feel your heartbeat when there are no other distractions, in this case laying down and closing your eyes."
] | [
"Why also do my knees get weak and arms heavy?"
] |
Why are bolt action rifles more accurate than semi-automatic rifles? | [
"Semi-automatic and automatic weapons use springs and shock absorbers powered by the propellent in conjunction with levers, cams, and other mechanical works to advance the weapon to the condition needed to fire the next round. Those mechanisms are inducing torque and shifts of weight and balance throughout the firi... | [
"A \"regular\" download is one person (you) downloading from one location (the server). This allows for a secure connection but is limited by the server's upload speed. A torrent is one person (you) downloading from many locations (everyone else who is \"seeding\" the torrent). This is called a peer-to-peer networ... |
Why does Scrubbing Bubbles (R) Bathroom Cleaner clean up radiation? | [
"Radioactive isotopes behave chemically just about identically to the stable isotopes of the same element. So if that product can clean up whatever chemical you're using with stable isotopes, it would also clean up the radioactive version. However, it won't change the radioactivity of the material at all. All it mi... | [
"Largely because news stories sensationalize science without fully understanding it. There is a relevant XKCD comic that has a guy in a lab coat standing over a petri dish with a gun that says, \"When you see a claim that a common drug or vitamin 'kills cancer cells in a petri dish', keep in mind: so does a handgu... |
Can illness be spread through flatulence? | [
"You can certainly get pink eye that way."
] | [
"Not at all. One of the most interesting demonstrations of this is breathable fish bags that allow gasses to pass but hold water...pretty handy for shipping fishes without suffocating them."
] |
why does turning it off and on again work? | [
"Most problems with computers happen from errors that occur while the computer is running. Turning the computer off and back on again puts it back in the state it normally starts in. It's like travelling back in time to before the error happened."
] | [
"Kind of like if you're looking through some legos for a number of different parts, you usually come across one that you need so your search goes quickly until there's one last part you need. It might take you awhile to find that last specific part. That explanation is probably wrong but that's what I would say to... |
Who was Johann Baptist Geich? | [
"He was a German priest/journalist who, after German territories west of the Rhine were incorporated into France, wanted Rheinbach (the area around the Rhine) to be a sovereign nation based on the French model. He translated some stuff and published articles on the matter, but was largely forgotten by time. Why do ... | [
"Hebrew University announced today they found a seal bearing the name of King Hezekiah. _URL_0_"
] |
Why is condensation formed above the wings of an airplane? | [
"The drop in air pressure likely causes the temperature above the wing to drop as well. If it's not too dry, this drop in temperature can have a more significant influence on the dew point than the drop in air pressure, resulting in condensation. Hope this helps."
] | [
"Let's take plan old white glue for an example. It is a bunch of sticky stuff in water. When the water evaporates, the stuff that's left behind is frozen into place. When it's in the bottle, there's nowhere for the water vapor to evaporate to, so it stays wet and sticky."
] |
Why do people like to lean backwards in a chair to just before the point of tipping over? | [
"When you lean back in your chair you change your center of gravity. At the point just before falling forwards or backwards you are perfectly balanced over the central part of your body. This makes us feel centered, balanced, and grounded. So ultimately we are chasing the feeling of being stable when we'll most lik... | [
"I got this... This tradition started in the UK around the late 1700's. The Royal Navy sailors(most sailors actually) would put their elbows on the table while eating to secure their plate from sliding around during rough seas. When the sailors would land at a port of call they still ate with their elbows planted o... |
What is a Solid State Drive (SSD), and why should I use it on my computer? | [
"SSDs are getting cheaper per GB and getting larger. I use a 256GB SSD because I don't need to store all that much data at one time. I'm not a pack-rat like some. An SSD is a hard drive with no moving parts. This cuts out the slowest part of the read/write operations on conventional hard drives which is moving the ... | [
"Regular butter - yes, Shea butter - never heard of it. Look up 'Bullet proof coffee'. Basically, natural fats (butter, coconut oil, heavy cream) are good for you. Put them in coffee for a morning pick-me-up that doubles as a meal. Goes great with a low-carb diet and/or fasting."
] |
Why are do smaller aircrafts have difficulty flying at higher altitudes? | [
"Explainlikeyouvebeendrinking version: the higher you go, the less air there is. The less air there is, the more powerful (and that usually means bigger) your engine needs to be to move as much air as possible. With that said, yes of course you can get a drone to fly high enough to take pics of your house. People ... | [
"If you can accept my passing knowledge of the matter before someone more qualified shows up, it's in how digital cameras capture images. Rather than capturing a single giant frame like film cameras, they scan a frame progressively, line-by-line. This results in artifacts with fast-moving objects such as plane prop... |
What is a circlejerk? | [
"I'll explain the literal meaning when you're older, but I can explain what it means when you hear it used on reddit. Let's say you think cats are better than dogs. Not everybody thinks this. Imagine that in your classroom, about half the kids liked cats and half liked dogs. There would be lots of arguing if the te... | [
"It came from an old meme about an IRC chat conversation where someone revealed their password as 'hunter2' _URL_0_ It's not necessarily a stereotypically bad password - it is a bad password though - but it gets used a lot when someone is guessing someone else's password so it just evolved to become the \"standard ... |
Why did people stop using chariots in warfare? | [
"Hills, basically. Chariots are awesome only in quite specific terrain."
] | [
"There have been quite a few answers on and around this topic- here's a couple you might find interesting! First, there's[ this answer](_URL_1_) by /u/iphikrates, which delves a bit into the idea of a formation going \"obsolete\" to begin with, and shows how the phalanx was very context-specific. [This post](_URL_... |
So why are we not satisfied with the current theories of physics ? What can't we explain with those theories ? | [
"Some things whose explanations most likely outside the scope of QM, GR or the Standard Model: 1. Dark matter 2. Dark energy 3. Neutrino Flavour Mixing 4. Charge-Parity violations by the strong force. One thing we don't yet understand, but will most likely be explained by QM, GR or the Standard Model (it's been tal... | [
"Imagine two people holding the ends of a jump rope, with one person shaking their hand up and down but neither of the people moving their arms much. There are only so many shapes waves can take along the rope. [These](_URL_0_). This is the principle behind the wavefunctions: there are only so many shapes they can ... |
What is the "Dark Web" and how do you get there? | [
"The \"Dark Web\" consists of web sites which cannot be accessed via standard browsers or protocols. You need a special program to access them. The most famous of these is TOR. Accessing it is a simply matter of downloading and installing the program."
] | [
"I encourage you to check out this youtube video _URL_0_ Explains it better than I can"
] |
Why wouldn't prop planes require counter torque when helicopters do? Does it have to do with the plane's mass? | [
"Look into trim tabs and what they do. Prop planes will typically have a little tab that sticks out of an aileron and one side of the rudder. These are there to make fine adjustments to trimmed flight. These also offset the torque created by the motion of the prop. Also, when a single engine prop plate increases po... | [
"When the two observers measure the entangled spins along *different* axes, they actually both still always get either up/down along their respective axis. In your case, if the original spins were in an entangled \"singlet\" state (opposite spins), then if one observer sees spin up, the other observer will see spin... |
What are some of the more notable (scientific) critiques of scientific racism - especially in the 19th century? | [
"Bummer you didn't get any answers here, I was looking forward to them. It's an excellent question."
] | [
"How did they do it (back then?) or how do they do it now? By using experiments and logical reasoning. You can't put a cell under a microscope and watch its metabolic functions. Instead you have to extrapolate out based on the inputs/outputs of the cell. In fact, the citric acid cycle was first postulated from expe... |
Why Gasoline is sold with 9/10 of a penny at the end of the prices? | [
"[Here ya go](_URL_0_) tldr; Tiny tax long ago became a marketing gimmick."
] | [
"I assume you're talking about torrents. When you start to download a torrent, you don't have any of it, so you can download at least some of it from almost everyone. When it's 99% completed, you have most of it, so there are fewer peers who have the pieces you need."
] |
When you say that the movement of the light source doesn't affect the light's speed, does that mean it is actually impossible the reduce/increase it or it means "the difference is too small to bother"? | [
"It is saying that speed of the light source literally has absolutely no effect on the light's speed."
] | [
"You're thinking of the two clocks as ticking like this: |---|---|---|---|---| |----|----|----|----| Both in the same \"direction\", with one ticking slow, and, therefore, necessarily, one ticking fast. But relatively-moving clocks in special relativity don't tick like that. They tick along different \"directio... |
How do processors know which command to run first? | [
"It's hardcoded. A processor when it's powered on starts executing whatever happens to be at an address burned into the processor's circuitry. There's a ROM of some sort at that address that contains initialization and boot code. For instance, X86 starts executing whatever happens to be at address 0xFFFFFFF0. That'... | [
"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)"
] |
What is the difference between sun radiation, home appliance microwave radiation, and radiation used in cancer treatment? | [
"They are all electromagnetic radiation of different wavelengths, which means they all have different energies. Higher energies are more damaging to living tissue. Of the three, microwaves are the lowest energy, then sun radiation (UV), then cancer treating radiation (gamma). Cancer is also sometimes tested with pa... | [
"Potassium-40 doesn't undergo nuclear fission, only various forms of beta decay. In principle you could use a shitload of bananas as a radioisotope thermoelectric generator or a betavoltaic, but you'd need basically a mountain-sized pile of bananas to get something appreciable. Better to eat the banana and use the ... |
Did the Crusades save Europe? | [
"Hello. Perhaps [this](_URL_1_), [this](_URL_2_), and [this](_URL_0_) thread might help get you started. [Here](_URL_0_) is a thread analyzing a misleading meme that was highly upvoted in the Donald Trump subreddit."
] | [
"I quite like: Birgit Sawyer, P. H. Sawyer, *Medieval Scandinavia: From Conversion to Reformation, Circa 800-1500* (1993)."
] |
Why do the majority of people have a desire to control others? | [
"Why do you think people have a desire to control other people? I don't, and I think people that do are insecure."
] | [
"Hi OP, this is a cultural question, so it would greatly assist anyone considering answering if you could specify which culture you're asking about. For example, the name of a cultural group / country / geographic region, plus a rough time period. Otherwise, this question is simply too broad, as it encompasses almo... |
How accurate are DNA tests to find out about your ancestry? | [
"It depends. There are some pretty clear markers, particularly for European Jews, Native Americans, and other well isolated groups (Inuit, Australian First Peoples, South Pacific Islander, ...). Other patterns, like Latino, don't tell you much (Spain plus Central and South America mixes in many different groups)."
... | [
"You can't get a straight answer because it is hogwash. They are removing nothing from the body that isn't normally getting removed by the liver and other parts of the digestive system."
] |
How could Lewis and Clark travel all the way out to Oregon when Louisiana Purchase only included as far as Montana? | [
"Spain actually sent out a a couple of parties to intercept them, but they were unable to locate the Corps. As for exploring the Southwest, they had specific orders from President Jefferson about the mission of the expedition. They made a risky decision on the return trip to explore an area northward along the Mar... | [
"There was more or less continual contact between Siberia and what's now Alaska in pre-Columbian times. Here are a few older answers that address this: _URL_2_ _URL_1_ _URL_0_ and also check out this roundup of older threads: _URL_3_"
] |
What is gravity? What are the 4 forces in general? | [
"Answering the first part of your question: _URL_0_ _URL_1_ _URL_7_ _URL_3_ _URL_5_ _URL_6_ _URL_2_ _URL_4_"
] | [
"When a lot of stuff floats around it tends to group up... as those groups form they get more and more attracted to eachother. The more stuff there is the more gets attracted (gravety). Eventually there is so much stuff that the middle gets very hot! Everything there turns into this super dense ball. it keeps pulli... |
Why does water not help against spicy food? | [
"Spice is carried on an oil, which is hydrophobic. Most it will do is spread the heat around. Something with fat in it, like milk, has a better chance of washing away the spicy oil."
] | [
"The idea in most of these cases is that your brain is tricking your body. When you put ice on your hand, it can override the signal from the pain receptors in your mouth, sort of like they're having a shouting match and your hand is the one your brain hears. Likewise, when you think about sex when you have to pee,... |
Was the Middle East before 1948 always a conflictual place? Why? | [
"You should probably try to specify a time before 1948, since the Middle East has a long and complicated history that can't really be summarized in a Reddit post."
] | [
"Hi there -- while we've approved this question, we would like to remind potential respondents of our [current events](_URL_0_) (AKA \"20-year\") rule -- it's fine to discuss events through 1997 (inclusive) and their effects, but not events after 1997. Thanks!"
] |
Why aren't there any ancient ruins in North America? | [
"Honest question asking for clarification and not just me being snarky: Do things like [Cahokia](_URL_1_) or the various mounds built by the [Hopewell](_URL_2_) not count? There are also many remaining structures in the [Southwestern United States](_URL_0_). If none of these count, could you please rephrase your qu... | [
"I don't know about topography, but the way the game is styled is fairly accurate. Pripyat has been abandoned since the Chernobyl nuclear plant disaster, so everything has been left for mother nature to control. But the ferris wheel is actually real and is still in Pripyat and some of the more famous building are a... |
Do Bodies of water in higher elevations ever experience a decrease in water level to due water exiting towards a lower body of water? | [
"Yes, this is exactly what happens. All water above sea level has potential energy and wants to travel down to sea level. The reason you have lakes is because there is some sort of material surrounding it creating a reservoir (bedrock, clay, etc) so the water stays put. Any time the lake gets enough water (through ... | [
"Ooh tricky! I think I would first try radar attenuation. Since radar waves will attenuate in water following a Beer-Lambert-type absorption law, maybe you could fire radar waves at a cloud, measure the attenuation deviation from the transmitted beam with reference to a beam that traveled the same distance but NOT ... |
How does the human body regulate its temperature? | [
"The hypothalamus senses changes in body temperature homeostasis and sends signals to generate more heat (via shivering etc) or to try to cool (via sweating/evaporative cooling etc) through the autonomic nervous system. Cytokines have a cascade effect on several cell types and can induce changes in the set point in... | [
"We are endothermic and have a high metabolic requirement--one that is further stressed when we are submerged. Animals with gills, on the other hand, are almost exclusively poikilothermic and require much less oxygen. For us, the challenge is getting enough oxygen from the water to sustain our metabolism."
] |
Am I completely wrong about the Mayans? | [
"Doomsday survival guides and spiritual charlatans usually sell decent numbers of books or online content. You keep hearing about it because people like that are advertising it and selling it. Even areas around popular Mayan sites are advertising it in an attempt to get more tourist dollars and media exposure. More... | [
"Since this is a homework question, we expect a little more effort from you. What research have you done so far for your paper? What are your findings so far? Is there anything *specific* you have a question about?"
] |
Are there any new world military commanders with prestige similar to those of the old world that are neglected when the subject comes up? | [
"I'd offer Massasoit of the Wampanoag who managed to use the Massachusetts Bay settlers to his advantage and play various parties off against one another to maintain peace through most of the 17th century. As for a lasting legacy, the Wampanoag still maintain a tribal identity and have a reservation on Martha's Vin... | [
"The earliest I know of is Ferdinand Magellan's trip around the world; 1519–1522 (although he actually died Philippines so didn't personally make it). Entries were scrupulous made in the ships log keeping the exact date. When his 'fleet' returned to Spain the current date in the ships log was one day off from the a... |
How were historical pirates different than what is portrayed by Treasure Island and Hollywood? | [
"Well I dont know the answers to most of these, but some i can help with. 6) Due to lack of medical knowledge infections were fairly common, and if a limb was infected it would likely be removed. I dont believe it was as prevalent as Hollywood depicts but more common than other occupations. 8) It would be very inef... | [
"Hi everyone. Since this is the kind of question that can attract non-expert responses, just a friendly reminder that all responses must comply with [sub rules](_URL_0_), and that [personal anecdotes](_URL_1_) are explicitly not permitted in /r/AskHistorians."
] |
I recently just watched Enemy At The Gates (2001), and there is a scene where a Nazi officer (I can only speculate) is saying that any Russians who surrender will be treated better than their own officers do. Is this accurate? Or did the Nazi's treat Russian POW's horribly? | [
"No, not at all. Most Soviet POWs were left in open fields surrounded by barbed wire or essentially used as slave labour until they were too weak to continue working. The Germans also intentionally starved Soviet prisoners to death as part of their Hunger Plan, which was intended to divert all food resources from c... | [
"Also, were these techniques often used for interrogation with the purpose of retrieving information, or was the act more of a punishment, with information being a possible benefit?"
] |
Why aren't two-stroke diesel engines more popular? They are mechanically simpler and have more power to weight ratio than their four-stroke counterparts. | [
"Would some one humor me and explain the advantages of diesel and gasoline as fuel source. I've always wondered she we have both."
] | [
"Reactions happen on the surface of a substance. Let's say you make a solid block of black powder (OK, guess it's not actually powder any longer) - what'll happen is that the surface of it will burn. If you have granules or a powder, the amount of surface that's available to burn is suddenly much, much bigger - tha... |
Does raising the minimum wage actually do anything? Wouldn't price adjustment/inflation just make everything the same again (eventually)? | [
"Yes, inflation will definitely catch up, eventually. But that is why most governments raise the minimum wage every few years, or as ontario is doing, making it so that every year the minimum wage will increase based off of the last year's inflation. ( _URL_0_) As to your question of increased prices, yes they wil... | [
"Let’s say you want to sell apple pies. You buy all the ingredients, make the pie and sell it. You’ve paid for flour, apples, sugar, fat, etc. For one pie, these ingredients cost you 5$. You sell the pie for 20$. You’ve added 15$ of value to those ingredients, so you are taxed on the value you’ve added. At 10% that... |
Through selective breeding would it be possible to force backwards evolution and create a neanderthal? | [
"Um....no. Neanderthals were a completely different species. By the way, evolution has no direction. There is no such thing as advancing or regressing evolution. That's not how it works."
] | [
"While not a scientific answer to your question at all, I want to suggest the excellent movie [Before the Fall](_URL_5_) (German Titel: Napola – Elite für den Führer) to anyone interested in this topic, which is a story about pupils in an elite high school in the German Reich."
] |
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