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Why are ambulance services owned and used privately when police and fire are run by towns and cities etc? | In the USA, the government has opted to stay out of the whole medical arena as much as it can. As soon as they can put you in the care of a non-government health organization, they doEMS provider here. Ambulance services can also be owned by towns, cities and also hospitals. What's happening right now in many cities is... |
Why are "pin prick" attacks often dismissed as unlikely to transmit diseases when we are so often and well warned of the dangers of sharing needles? | I think you basically answered your own question > HIV/AIDS might have a difficult time, as it dies quickly when exposed to air a HIV-positive person who'd prick themselves with a needle would probably have to prick their victim rapidly before the blood dries, while syringes are normally air-tight, so the blood inside ... |
Why so many videogames have the "glitching through surface and shaking furiously" bug and why does it happen? | It's a result of a game's physics engine trying to approximate things "bouncing off" each other when they're trapped. So first what happens is the objects clip through each other, due to one of ten billion possible bugs or reasons. Exactly what gets \'em going through each other depends on the game. But what then happe... |
How is a person's Muslim faith verified before entering Mecca? | If you mean the Hajj pilgrimage, there's a specific Saudi visa you need to get. Male Hajj pilgrims apply for it . If you're a convert, you must supply an Islamic Certificate from your local Islam Centre. |
Why do we have diesel and petrol cars. Wouldn't one of them inevitably be better than another and therefore completely dominate manufacturing? | Diesel and Gasoline fueled cars excel in different areas. Therefore wherever people have different needs, both will be necessary and one won't completely dominate the other. Diesel burns more cleanly, more efficiently, often have better towing capabilities and get good mileage. The downside being that they can cost mor... |
Why does dust heavily accumulate in the grooves on my fine tooth combs, regardless if in daily use or stored in enclosed spaces for months? | Your combs generate a lot of static electricity because the large number of teeth increase the amount of surface area. When you are combing something, static electricity builds in the teeth. The static attracts whatever dust is in the environment to stick to the groves. |
Why colleges charge exponentially more for out-of-state tuition. | Because in-state pay taxes that help pay for the college. Out of state students don't, so they get a higher rate. |
How can a computer be built specifically for a programming language? | Your question doesn't quite make sense. Are you referring to something specific? What makes you think that a computer is built for a specific programming language?", 'You can't build a computer that will only run a particular language, unless the language is very limited - otherwise someone can just write an interprete... |
Allergy Shots and why I had to receive them as a kid | In order for you to build some resistance towards the things you are allergic to they give you small injections of the type of substance your allergic to. Over time if you come in contact with say grass you would be less allergic to it because you were exposed to it when you got you're shots, thus giving you some leewa... |
Why does fear increase heart rate? | Im sure everyone should know about the flight or fight response. when we see something scary our amygdala releases norepinephrine or some variation which increases heart rate, and activity in the brain, generally every area of the brain that might save you, say, in the presence of a bear, like the frontal lobe Fear gen... |
what existed before the big bang? what went 'bang' and why? | We don't know. *Any* answer you hear on this is nothing more than a speculation. |
Why is winking so.. attractive? | I can think of many reasons. First it is a sign of acknowledgment which is of course attractive. Another reason is that winking is usually accompanied by slightly opening the mouth, which is associated with kissing and other displays of affection. Plus it can display healthy dentistry which has strong primal bases for ... |
That horny goat weed stuff they sell in gas station rest rooms | Here's a breakdown. Horny Goatweed is to Viagra, that Willow Bark is to Aspirin. What? Aspirin is a synthesis of chemicals in Willow Bark. If you had the appropriate quantities of the active ingredient of willowbark extract, it would act like Aspirin. But there's a catch. Let's grab some willow bark. How much active in... |
Why does good tasting food eventually begin to taste boring after having it a lot? | When something good happens, ie you eat a delicious croissant, the brain releases feel-good chemicals which, as you may have guessed, make you feel good . After this process has been repeated a lot, the part of the brain absorbing the endorphins has gotten used to them and so they don't make you feel as good anymore an... |
What is the biological competitive advantage PMT/PMS (heightened emotional sensitivity and anxiety at the time of menstruation)? | I would actually like to hear this one as well. I can't think of any competitive advantage. At least none which have been proven to exist for that reason. |
When you say a word over and over again, why does the word start to not make sense? | This phenomenon is called *semantic satiation*. When you think of a word, there is a nerve connection somewhere in your brain associated with the word. That connection fires . There is some neurotransmitter present which is a mediator for the firing. When too much neurotransmitter is emitted from a nerve ending , your ... |
What makes it possible to control a touch screen while lightly hovering your finger over the screen? | The way most modern touch screens work is the folowing : The phones screen creates a magnetic field. Your finger changes that field when it is inside of it. The screen then calculates where those changes happened and therefor have the position of the touch input. And since the magnetic field is a bit bigger than your s... |
What causes wired headphones/earbuds to break in such a way that sound is only received in one earbud? | The cord for those headphones contains three wires. One is the left signal, one is the right signal, and one is the ground. If you break exactly one of those wires, you will lose sound on one side, unless you broke the ground in which case RIP. Manipulation of the cable can sometimes move the broken inner metal wire pa... |
Why do right-handed people use their left hand when fingering a guitar, and vice versa? | Probably. I'm left-handed and I play a right-handed guitar, couldn't play a lefty guitar at all. My fingering is much stronger than my picking, and I find that the opposite is usually true with natural right-handed guitarists. But a lot of guitar music requires more dexterity from the strumming hand than the fretting h... |
How was Hadrian's Wall supposed to help prevent an invasion? | because it was actually reasonably big back in the day and there were also lots of romans on it, and they helped to slow down the enemy forces by killing the fuck out of them.> I took a peek online and didn't find much help _URL_0_ In its day it ranged between 10 and 20 feet high. |
Have we ever reached absolute zero? Why/Why not? | No Absolute Zero is just a theoretical concept think of temperature in terms of transfer of heat from hot to cold. When an object cools down, what it's really doing, is losing some of its heat until it is equal to the surrounding area. AZ is an asymptote, which means you can exponentially approach it, but will never re... |
Why is blackface offensive but drag isn't? | Blackface originated as a way for people in power to exclude black people from participating in mainstream entertainment. By having a white person in blackface you didn't have to hire an actual black person and thus were able to continue excluding them from having opportunities. Additionally, blackface acts were genera... |
Why does it seem like when you are moving in the dark you are going much faster than you actually are? | That could merely be a subjective experience, but this experience can be helped by the fact that your perception of far-off landmarks is vastly reduced. You measure movement by the movement of landmarks in relation to you, and at night you cannot see far-off landmarks. Because of this, you only see things that are clos... |
Why do so many animals love to have their tummies rubbed? | The tummy is generally the one weak spot that you don't want anyone to reach for an animal learnt from instincts of combat through evolution. It is much less protected and it contains most of your vitals. Turning over and exposing your underside is a sign of trust, and having it rubbed is an act of intimacy like huggin... |
Do people still go through a trial if they plead guilty? | Short answer: no; there's nothing to prove. Long answer: you, opposing counsel, and the judge get together and tell each other the plan. The judge will open court to have you officially plead guilty or no contest and then he'll to go on to sentence you.The trial phase is shortened to the judge asking and accepting your... |
Cracking Your Jaw - What Is It About? | Your jaw is a type of joint called a diarthrosis or synovial joint. This means that there is synovial fluid around the area of the joint to cushion the bone/cartilage articulations. Sometimes "When the two articulating surfaces of a synovial joint are separated from one other, the volume within the joint capsule increa... |
why are 9volt batteries best equipped for smoke detectors? Better than, say, AA batteries, or D batteries, or any other? | A) 9 Volt batteries only go in one way, there's virtually no risk of connecting them backwards like you have with AA, AAA, C & D cells. B) They provide 9 Volts while other common cells only provide 1.5 Volts. If a device is better operated with higher voltages, it's easier to use a single 9V than 6x of another type tha... |
How the first settlers made it to remote islands such as Easter Island and Hawaii. | Boats. The Pacific Islanders were *really* good at getting places in small boats. They had catamarans which are much more stable than a single-hulled canoe. |
if proteins and enzymes denature at high temperatures, how do animals such as tardigrades survive under these conditions. | They have proteins that are designed to retain their shape at high temperatures. In fact, it's possible that those proteins won't function under more normal temperatures. |
Australians, how do your seasons work compared to the northern hemisphere? | In Australia, the seasons correspond exactly to months. So summer began on 1 December and lasts until autumn/fall on 1 March. This means that it can be summer in Australia but fall in America . Aside from that, it's the same as in the northern hemisphere, only with opposite temperatures. Holidays are the opposite of wh... |
What would happen if a being made of Antimatter came to earth? | Antimatter that comes into contact with regular matter annihilates - 100% of the matter is converted into energy. A beings-worth would be pretty disastrous for the planet. I think there are a few odd cases where antimatter is either made or makes its way to earth, but more like an atom than a person. And we can create ... |
Why doesn’t any gaming companies use AO (Adults Only) Rating from ESRB? | IIRC it has to do with stores not wanting to sell adult only games. Like GameStop doesn't want to be known as the store that sells adult products. |
Why were the first countries founded and what were they? | once enough food was grown cities developed because there was enough food to have people who arent farmers. those cities turn into city states because the people who grow food for the city need armies to protect them. ththose city states turn into empires and eventually into countries |
Screen resolution vs. Pixel density. NO MATH, please. | Resolution is how many pixels there are on the whole screen. Pixel density is how many pixels there are in a square centimetre of screen. So for example if my laptop and my phone both have the same screen resolution, the phone must have higher pixel density because it's got the same number of pixels but a smaller scree... |
How do some parrots manage to produce certain sounds (b, p, v...) with their rigid beaks? | There was some research on this a long time ago published in Acoustical Society of America where they had xrayed parrots to see what was going on when they mimicked certain sounds, I believe their conclusion was that they uses their oesophagus, trachea, and glottis to create pressure build-ups and bursts that mimic the... |
Dear Fellow Five Year-Olds, please stop asking science questions. There's already a much better subreddit for that. | But people posting science questions here want to be able to understand the answer.I kind of agree with the r/askscience rules. That subreddit is perfectly suited for those kind of questions. The panellists over there are very knowledgeable and have the ability to explain very difficult things in such a manner that any... |
why we don't use XDR DRAM? | Because manufacturers have to pay Rambus for the privilege of making XDR RAM. DDR* SDRAM is an open standard published by an industry group that includes all the companies that make the hardware. |
Why do we enjoy listening to music? | Follow up: why do I find songs without drums so incessantly boring? Its literally just someone smashing a bunch of barrels but its make-or-break for me.I'm writing a philosophy paper on this subject. One theory in simple terms suggests that when we listen to music, we are using it as emotional scaffolding. It provides ... |
How does microbiome sequencing work, and what can we learn from our own gut bacteria? | Bacteria are identified by a region of their genome called the "16S rRNA" locus, which encodes part of their cellular machinery and acts as a fingerprint because it differs between species. Since most bacteria, especially anaerobic ones in the gut, can't be cultured, DNA sequencing gives us a sense of all the diversity... |
what mods for videogames are, how they are used and where they come from. | A 'mod' is short for modification. It can be anything from improving accuracy of aiming a gun in a FPS, to adding extra levels in a platformer game. Anyone with computer knowledge including modelling and programming can make a mod. They are mostly for computer video games, as the files are easily edited. Usually, you d... |
how dose tilt shift photography make everything appear tiny. | Pretty much has all to do with the way the image is blurred. You imitate the same depth of field as if your actually shooting something really small |
Why is it that around 90% of cars in the UK and rest of Europe are Manual Transmission (clutch, gearbox) but in the US this is reversed to 90% automatic? | Not to discourage anyone from adding new information, but this question has been asked numorous time and you might want to check out the [previous threads] asking the exact same question. |
Why is it when we're tired and want to fall asleep that our brains decide to race through past memories, anxieties, embarrassments, etc? | So our brains work primarily on inhibition, shutting things off, one of the first things to go when we are tired, drunk or whatever, is our ability to exert inhibitory control. This means we can't shut off impulses, stray thoughts, etc.because they finally have the time. George Carlin had a great comedic bit about how ... |
Of the 365 days in a year, why is today considered the first? | [Julius Caesar thought it would be appropriate for January, Janus' namesake month, to be the doorway to a new year, and when he created the Julian calendar, he made January 1 the first day of the year ] ELI5: Caesar said so. |
How can I taste eyedrops on the back of my tongue? How does it get from my eyeballs to my throat? | > Is there a connection between my eyes and my throat that I somehow missed during biology class? Yes. You have "[lacrimal puncta]" on the inside of your eyelids that drain tears through to your lacrimal sac, and then through your [lacrimal ducts] to your nasal cavity.> Is there a connection between my eyes and my thro... |
Why do cartoon characters generally always wear the same clothes? | It's too much work and effort for the artists to draw a new set of clothes every episode. Plus, most cartoon characters are recognised by their clothing and have an "iconic look"', "It's faster and easier, and therefore cheaper, to just draw the same character in the same clothes all the time.* cartoon footage is often... |
EILI5: What's going on in Syria and why | Very, very tl;dr answer: Big bad tyrant named Bashir Al-Assad has been ruling the place for a while. People staged an uprising. Civil war followed and is going on right nowPlenty of solid answers in ELI5 [if you search] |
What contributes to a room or space becoming "stuffy" and how can our bodies tell? | Primarily it is a lack of air movement. Your bodies tell by the pocket of warm air around your body warmed by your body heat stops being disrupted thus hindering your body cooling properly. You tell by the odors around you not moving about and becoming stale. And there are many other smaller cues. |
Why wouldn''t universal pay diminish inequality? | Most of the really rich people don't have "income" in the way that the 99% do. Their wealth in is investments, which only get taxed if they get cashed out. Additionally, lots of high-paying jobs don't get compensated with cash, but with stock grants, which once again aren't taxed until they get converted to cash. If yo... |
Why words like "Pizza" or "Nazi," the z makes a "t" sound (pete-za not pee-zzaaa)? | the double z in pizza makes that sound because that is how it is pronounced in italian. the same goes for the most part in german for the single z . it's just how languages are :3", 'You're looking at this the wrong way. Letters represent phonemes . As different languages switched to the Latin alphabet, they used diffe... |
How come after listening to the same song multiple times, it sometimes sounds faster or slower than usual? | I 've always wondered this, and have come up with some conclusions. Hearing a song for the first time is like driving on a road you 've never been to. You don't know all the curves and bumps, so you pay attention. After driving on the road every day, it might feel like it takes a long time to drive since you're repeati... |
Why are so many US veterans homeless? | Because everything is handed to us while we are in. When we get out we don't know how to take responsibility, PTSD, most of us come from troubled homes so some of us don't have homes to return to, and there are many other reasons but these to me are the main reasons. At least the reasons I see from personal experience. |
Why are weddings so expensive? | Weddings cost a ton. You *can* keep it under five grand depending on the size of the wedding and what you're including in the festivities, but here's a list of things to spend money on * Renting the venue* Catering * Alchohol* Music* Photographer* Limousine* Flowers/Decorations* Tuxedo Rental * Bridal Gown * Marriage l... |
Why is water vapour part of air at room temperature? | There's a bunch of complicated reasons, which I don't understand fully myself. For water, we know the boiling point is at 373K. At least, it is at 1atm of pressure. In a vacuum with essentially no pressure, water boils instantly. What this tells us is that water boiling is not a direct property of its temperature, but ... |
What's the difference between the different classes of Navy vessels, ie Frigates, Destroyers, Cruisers, ect. | Frigates have roles such as escort and antisubmarine warfare. Destroyers are supposed to be fast and used as escorts. Both frigates and destroyers are quite small ships and different navies mixed and matched the two. Cruisers were usually the smallest ships that could go off on their own but in fleets were used as esco... |
The difference between a VPN and a proxy | As far as I know they VPNs are a kind of proxy. The biggest difference is the usecase, I think. E.g. you use VPN to access a certain domain of IPs, with that you can access certain files and services, and tunnel to a dedicated server. Imagine you are working home office for a company and you want to access some files a... |
When experiencing cold symptoms, why does only one side of ones nose become blocked or runny? Why not both? | The rate at which air enters your nostrils effects what smells you smell. Each nostril is actually a different width at any given time so we can smell the largest amount of different smells. Your nostrils take turns being wider/narrower. When you have a cold and your nostrils are swollen and the one that is narrower at... |
Why are computers so bad at predicting loading times? | File systems are complicated. Basically, the file system on a computer consists of a combination of data and pointers. The pointers effectively say "the next piece is over here". Although a defragmented and well-performing system will usually have pieces of the same file placed together, this isn't always the case and ... |
Are smelly flowers bad for you? | Flowers are only bad for you if you are allergic to them, or something that is on them such as pesticide residue or the like. For most people they are perfectly fine. |
Invention of soap came way before germ theory (right?). So what were they actually thinking? A happy accident? | When humans grubbed about in the dirt and mud, we got dirty. Often times sticky liquids used to fall on us, like sap or blood. Normal water in the rivers was enough to wash ourselves of dirt and blood, but humans noticed that fats helped in removing these sticky resins from our skin. That was the early precursor to soa... |
Why or how did the suffix 'Arama get into English culture in the fifties and sixties? (Bowl-A-Rama, Futurama, Spatula-Rama) | Google sent me to a Straight Dope article saying it came from panorama then diorama. And on and on _URL_0_ |
I have always been told that standing in front of a microwave door would be harmful for me cause of radiation? Do microwaves release ionizing radiation? | Microwaves use gigahertz radio waves. They are not ionizing. They cook the food my heating the water molecules the food. The grill in the door acts as a Faraday cage to keep the radio waves from escaping, while allowing you to watch the food. Edit: typo', "> Do microwaves release ionizing radiation They do not, they ha... |
How is a computer bit stored, electrically? | These days we use transistors. A transistor is an electric switch which either will or won't pass on a signal depending on whether a control signal is received. This allows two of them to be combined so that one maintains the opposite value of the other, and a simple electric pulse will switch which value this is. Comb... |
What's wrong with circumcision and why does reddit hate it so much? | Regardless of any benefits it may or may not have, it's by no means a necessary procedure and yet it is routinely performed on infants who have no way of understanding or consenting. Add that to the fact it's impossible to reverse if any of the participants regret it later in life. There's a lot to be mad about for som... |
Why eye contact is uncomfortable, especially with strangers | As I understand it, it's a throwback. Among primates prolonged eye contact is seen as a challenging another to physical combat. Part of a domination/submission ritual.When you walk by strangers, there may be brief eye contact. However, no one is expecting prolonged eye contact as that is not a social norm. When any soc... |
How do corticosteroids help you get better? | I'm still in school and only on mobile so this is from memory but as far as I can remember, this is to prevent further nerve damage. The immune system can harm the body in some situations. If the immune system goes a little crazy in the area your back was injured, it may damage your pinched nerve further. |
How can you have stereo sound with a vinyl ? | [Here are some pictures]. The key point is that the groove can both vary in depth and wiggle from side to side, allowing it to separately vibrate the stylus in two directions.[Here's a site] with very easy to understand diagrams. You have two dimensions to encode the sound on - vertical and horizontal. You can use each... |
Why arent there dead insects all over my house? | The living ones eat the dead ones and then hide. They only come out at night to crawl on your face and in your ears while you're sleeping. |
Why does it seem like more rain ends up on the inside of my glasses than the outside? | During rain, the air around you is very humid. Your glasses are close to your face, causing them to be slightly warmed by heat radiating from your face. This causes the water vapour in the air to condense on the inside of the lenses. |
Why was I asked if I had any food allergies when I was given the flu shot? | Some vaccines are cultured in eggs. If you are allergic to eggs then it equals a pretty quick trip to the hospitalSome flu shots use egg products that you may be allergic to. |
How come some radio stations play edited versions of songs? | Lots of songs will have different version to cater to different listeners. A really good example is the Manfred Mann song *Blinded by the Light". Its a great song that's has wide appeal. When played on the classic rock station here, they play the full 8minute song with progressives rock appeal and various solos. When p... |
Why do people start bidding wars on things in online auctions instead of waiting for them to nearly close before bidding? | I always wondered the opposite. It pisses me off when someone bids at the last second when I've had the winning bid for 2 days. I'm only on ebay once in awhile I dont have time to sit around all day and wait to items to close.Go see the page, E-snipe. You tell it when to bid. it does it for you. |
Why being flat-footed was considered a bad thing in the military. | Having flat feet can cause painful ankle and knee problems, creating difficulty with running etc. Nowadays it's mostly solved with orthotic insoles. As far as I know, flat-feet can still hinder your application though, according to a RN recruitment guy I asked a couple years ago. Source: Have flat-feet.Flat feet is cau... |
How do some websites know when my pointer is about to close the website and pop up an ad? | Websites use a combination of HTML , CSS and JavaScript. The three of these tools all have individual functions in the creation and running of websites. In this specific instance, Javascript and CSS will work together to check if the mouse is hovered over/on a specific HTML element, and then fire off a pop-up which has... |
[ELI16] Why do people salivate when aroused? | We evolved as cannibals, and horny humans are delicious. Wait, no. It's because we've been conditioned by a ringing bell or something. Wait, no. We salivate when aroused? I don't remember drooling on any women. |
Why are minorities always talked about as if they are a single, homogeneous group? | This subreddit has become nothing but a medium to faux-innocently pose extremely complex questions in an incredibly leading way in order to push a political viewpoint. |
How did Chris Brown get away with beating Rihanna? | He didn't, he agreed to probation. Which is typical in first-time minor domestic violence cases, especial if you have money for good lawyers. If he'd done it again he'd have gotten some small jail time and been forced to keep his distance from her. Petty assault isn't generally a 'worse than murder' crime in any countr... |
Why don't cab companies just adopt the tricks that make uber so popular? | Everyone keeps talking about the Uber drivers and how Uber doesn't have the same over-head for employees as a regular cab company does, but what does any of that have to do with this? Uber isn't popular because of any of that. Uber is popular because it's super easy to get from where you are to where you want to go. Wh... |
What does politically "left" and politically "right" mean? Where are the differences? Why are they called like that? | The terms Left & Right originate from the French Revolution. One iteration of those revolutions featured a congress that literally had one party sit on the left, others on the right, and special snowflakes up the middle. I imagine it made voting and gauging interest in an issue much simpler. Today, "Left" has evolved i... |
how come every common cold sickness I get generally plays out the same? | Yeah it's normal. Every virus is new, but similar. A bit like different models of a pick-up truck. Every time a new virus infects you it does roughly the same things, meanwhile your immune system has to figure out a new way to beat it, which also takes about the same time. |
What caused the baby boomer generation to coddle millennials? | I think there are a few reasons: 1. the explosion of mass media for that generation made them aware of the bad things that happen in the world. If your small town had never had a kidnapping, you might not have known that kidnappings happened. 2. we developed an understanding that the circumstances of childhood are rela... |
how do scientists make DNA molecules with the sequence they want? | So a DNA strand is a sequence of building blocks called nucleotides all attached in a chain. There are four types of nucleotides, each of which is represented by a letter when writing DNA sequences. So the DNA sequence "ACTG" can be translated as "an adenine nucleotide attached to a cytosine nucleotide attached to a th... |
the beaver is an industrious, family-oriented hydro engineer. How did it become associated with the vagina? | > Industrious, family-oriented, hydro engineer you literally just described a vaginaFrom [Etymology Online]: " is 1927 British slang, transferred from earlier meaning \'a bearded man\' , from the appearance of split beaver pelts." It's a very old expression and the true origins are lost to time. |
Why is it said that milk is good for heartburn if milk is acidic? | While milk is acidic, it's only very slightly so and while you're experiencing heartburn it could reduce the acidity level. However, milk is actually **bad** at treating heartburn. It *temporarily* reduces the symptoms, because the stomach acids have something to attack for a while, but it actually causes your stomach ... |
When heated, why do some things (like ice) melt into a liquid but others (like wood) immediately burn into a gas. | Ice melting and wood burning are two very different things. Ice melting is just a phase change. The water moves from being a solid to a liquid but is still just water. Wood burning is a chemical reaction. The wood is combining with oxygen in the air to form CO2 and water. You can get things to perform a phase change di... |
What is the difference or distinction between pathology and pathophysiology? | Pathology is the study of abnormal and usually undesirable medical condition. A large part of it is describing what is going on. Pathophysiology is the study of the bodily mechanisms that lead to those conditions and their progression. |
How do porn studios film "public" videos? | The answer is a combination of what /u/ajent123 and what /u/Mininni have said. Ultimately it depends on the size of the studio. A lot of porn studios are extremely legitimate and professional. In that case, they pull permits for their scenes the same way any film studio would, and have a highly controlled environment, ... |
why are the terms LP, EP and B side still used today in music? | Album actually refers to a specific physical format. The first records were 10" 78RPM discs that only held about 3 minutes of music per side. A collection of songs would actually come [in a book like a photo album]. All EPs are not demos, they're just short collections of music. There's really no natural & obvious size... |
How can you turn spinach leaves into a beating human heart tissue | > Do you have to change plant cells to animal cells? The spinach is just used as a scaffolding. The plant cell contents are completely removed and the general tissue framework is used as a way to organize human heart cells which are otherwise in an unorganized mixture. Plant cells don't even exist as such, just as some... |
As you enter your adult age and older, does your body stop absorbing calcium and other important nutrients from milk? | No, you still absorb it, but as your body grows the hormone composition changes, and you don't use it as much to grow bones etc. however, even if your bones stop growing size wise with age, there's still some remodeling going on. Calcium excess goes out with your pee. |
ELI%: How can Hard Drive Manufactuer's sell Hard drives claiming they can hold more data than they actually can ? | This has been asked many times. It's because "kilobyte" can mean either 1024 or 1000 bytes, "megabyte" can mean either 1048576 or 1 million, gigabyte can be either 1073741824 or 1 billion, etc. Your computer uses the larger number, the manufacturer uses the small one because they're slimeballs. |
What would happen if you were required to hold a stock for a year before you were allowed to sell? | Holding period wouldn't do much for the company. After the initial sale the shares no longer generate money for the company, only for the people trading them. What you would see is an evolution in how the market operates. You'd see less day-trading of stocks and much more action in the options market. Options are longe... |
What incentive is there for someone who is summoned to testify before congress to provide answers? Can they simply refuse to answer the questions? | It depends on the reason why you are refusing to answer the questions. If it is because it would violate your 5th amendment rights to prevent self-incrimination, then you can refuse to answer the questions. If it is found out you are withholding information aside from anything self-incriminating, you could be guilty of... |
Is it really dangerous to swim in a pool during a thunderstorm? | It's not very likely , but if it did get struck, you would be pretty fucked. The lightning is going to hit the water and the electrons will immediately attempt to spread out. They will spread out through the pool, passing through your body. What is dangerous about electricity to your body is the current passing though ... |
Why are men really so attracted to boobs? | Breasts are an excellent signal of sexual fitness. They demonstrate sexual maturity, and because they're fatty tissue which shrinks during times of poort nutrition, their size helps indicate individual health. There's likely also an element of sexual selection, where men - for the above reasons - were attracted to larg... |
How does a group like Skidrow crack games' DRM? | Think of a game - or any computer program - like a recipe. Do this, do that, do this other thing. At some point in a copy-protected game, it'll do some check to see if it's allowed to install or run; maybe check a serial number or make sure the right disk is in the drive or ask for the 4th word on the 10th line of page... |
How do animal detach themselves from their umbilical cord? | The umbilical cord connects the newborn animal to the placenta, which is an organ that attaches to the mother's uterus and is the channel through which nutrients flow to the embryo as it grows in the uterus. The placenta is expelled from the mother immediately after birth, and each animal has a separate one. Most anima... |
Why does the batter/dough of baked goods often taste better when raw? (Like cookie dough or cake batter) | It doesn't. It's subjective. There is no scientific response to this. It's only going to be opinion |
In old movies/photos people with their legs in a cast have their broken legs hanging high in the air comically. Why? | On Femur breaks, the thigh muscles are so strong that they have to pull on the leg and stretch it back out, to line the bones back up. That is called traction. However on Tibia and or Fibula breaks the swelling against the cast causes a lot of pain. Elevating the leg reduces the swelling reducing the pain and prevents ... |
What changed when the USA left the Gold Standard? What would be different today if the US had stayed with that standard? | I don't really know what exactly happened at the time, but leaving the gold standard has been very beneficial to us. Having control of the currency makes it far easier to control and smooth the business cycle. You can see in [this graph], that after the initial cliff of stagflation in the 1970s, we 've had a much more ... |
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