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"How would waves be any different if there was a superocean like Phantalassa. Would they be larger and more dangerous or calmer and would anything else be different?"
askscience
"Could an identical twin who recovered from an infection donate some of their T-cells to the other twin as a form of vaccine?"
askscience
"Introducing: AskScience Quarterly, a new popular science magazine by the scientists of reddit!"
askscience
"Any three digit multiple of 37 is still divisible by 37 when the digits are rotated. Is this just a coincidence or is there a mathematical explanation for this?"
askscience
"If a person catches a cold and COVID-19 at the same time, will that person get seriously sick from both illnesses, or one of the viruses will "win" the fight against the other?"
askscience
"Do bath salts actually have any proven beneficial effects (e.g. on eczema), and is there any real difference between using Dead Sea salt VS Himalayan salt VS Epsom salt?"
askscience
"If there was a bag of 10 balls, 9 white and 1 red and 10 people including you has to pick one randomly and who gets the red ball wins, does it matter what order you all pick, or is it better to go first or last with probability?"
askscience
"Why are marine mammals able to keep their eyes open under water without the salt burning their eyes?"
askscience
"Are other animals aware of their mortality?"
askscience
"Men and Women have different warning signs for a heart attack, why is that?"
askscience
"Why if I mix green and red paints in equal proportions, I see a desaturated brown, but if I mix green and red light in equal proportions like in an LCD screen, I get pure yellow?"
askscience
"Are lost memories gone forever? Or are they somehow ‘stored’ somewhere in the brain?"
askscience
"How exactly do you "winterize" a power grid?"
askscience
"If you jump into a volcano filled with flaming hot magma would you splash or splat?"
askscience
"Why did they need an algorithm to take a picture of the black hole and what did the algorithm even do?"
askscience
"Why does it take multiple years to develop smaller transistors for CPUs and GPUs? Why can't a company just immediately start making 5 nm transistors?"
askscience
"Is there a reason all the planets orbit the sun in approximately the same plane and direction?"
askscience
"What are the tiny triangular creases on your skin called?"
askscience
"At the heat death of the universe, will most black holes eventually merge due to the incredibly long timescale before they evaporate from Hawking radiation, or will most black holes not merge due to the sheer vastness of space between them?"
askscience
"There's evidence that life emerged and evolved from the water onto land, but is there any evidence of evolution happening from land back to water?"
askscience
"When Pangea divided, the seperate land masses gradually grew further apart. Does this mean that one day, they will again reunite on the opposite sides? Hypothetically, how long would that process take?"
askscience
"With today's discovery that hydrogen and anti-hydrogen have the same spectra, should we start considering the possibility that many recorded galaxies may be made of anti-matter?"
askscience
"How much of the ocean do we actually have mapped/imaged? Do we really even know what exists in the deepest abyss?"
askscience
"How do rockets burn fuel in space if there isnt oxygen in space?"
askscience
"Planet IX Megathread"
askscience
"I developed seasonal allergies when I was 33. How does my body decide that things it has encountered for decades are now hostile?"
askscience
"We’ve now discovered that spending a year in space can change your DNA - What does this change about what we thought we knew about DNA?"
askscience
"If silver is cheaper than gold and also conducts electricity better why do major companies prefer to use gold conductors in computing units?"
askscience
"Does modern sedentary lifestyle contribute to the rising amount of depression?"
askscience
"AskScience AMA Series: We are researchers studying biological rhythms and we want to 'lock the clock' to permanently end daylight saving time - ask us anything!"
askscience
"There is a video on the Front Page about the Navy's Railgun being developed. What kind of energy, damage would these sort of rounds do?"
askscience
"With solar sails being so thin, how do they avoid being punctured by tiny space debris?"
askscience
"Why is a frozen and thawed banana so much sweeter, and how does this change its nutritional value?"
askscience
"Has there ever been evidence of spatial dimensions beyond the three we can perceive?"
askscience
"How does the International Space Station regulate its temperature?"
askscience
"If you farted hard enough in space, could you move yourself around?"
askscience
"In this gif of white blood cells attacking a parasite, what exactly is happening from a chemical reaction perspective?"
askscience
"Why does having had a concussion make one ineligible to donate bone marrow?"
askscience
"Whats the usefulness of finding new bigger prime numbers?"
askscience
"Does a steady or a blinking digital clock use more energy?"
askscience
"Have humans always had an all year round "mating season", or is there any research that suggests we could have been seasonal breeders? If so, what caused the change, or if not, why have we never been seasonal breeders?"
askscience
"From my 7 year old: Do the things in our bodies ever get tired? Like cells and antibodies? Do they have to rest?"
askscience
"Why does a vaccine have to be injected through a needle?"
askscience
"If you stand on a skateboard, hold an umbrella in front of you, point a leafblower at it and turn it on, which direction will you move?"
askscience
"What are we currently doing to combat the year 2038 problem?"
askscience
"Is there any record of any object from earth being ejected to space by natural forces?"
askscience
"If fire is a reaction limited to planets with oxygen in their atmosphere, what other reactions would you find on planets with different atmospheric composition?"
askscience
"Why don't emails arrive immediately like Instant Messages? Where does the email go in the time between being sent and being received?"
askscience
"Can a planet have more than 4 seasons?"
askscience
"Why do we use CO2 for sparkling drinks rather than any other gas?"
askscience
"What caused the growing whining sound when old propeller planes went into a nose dive?"
askscience
"Do antibiotics kill all healthy gut bacteria and if so how does the body return to normal after treatment?"
askscience
"Why is it matter in the Sun's core can undergo fusion at 15 million degrees but our fusion reactors need to be 100+ million degrees?"
askscience
"A 5 foot section of railroad rail does not seem very flexible but a 200 foot section appears to be as flexible as a noodle with bends under a foot. How does longer length make it more flexible?"
askscience
"Can bacteria, viruses, etc. get diseases just like humans or plants?"
askscience
"Greenland ice melt reporting has me worried, what are ramifications of this year's melt?"
askscience
"What percentage of a human fart is produced by bacteria, and what percentage is actually produced by *you* ?"
askscience
"Is there a spot where the big bang happened? do we know where it is? Is it the center of the universe? If you go there, is there a net force of zero acting on you in all directions ( gravity)"
askscience
"Is it possible to recreate a smell from a basic list of smells? in other words, is there an RGB equivalent for smells?"
askscience
"Might be very stupid so sorry in advance. But NASA says that Perseverance did about 7 months to travel to Mars and travelled about 480 million kilometres. But they say it travelled at a speed of about 39600 Km/h. And unless I made a dumb mistake that doesn't add up. Am I missing something?"
askscience
"Do mosquitoes have a preference on blood type? Do some people have more “attractive” blood?"
askscience
"If fevers are the immune system's response to viral/bacterial infection, why do with try to reduce them? Is there a benefit to letting a fever run its course vs medicinal treatment?"
askscience
"If a nuclear bomb went off in Boston harbor could scientists tell after the fact who had manufactured it, do they leave distinct radioactive signatures?"
askscience
"Do deep sea creatures have a sleep schedule?"
askscience
"Crows are all over the world, but where are crows naturally from and what kind of effect did they have as an invasive species?"
askscience
"When you diet and exercise, where does the fat you burn physically go and how?"
askscience
"When dolphins open their eyes above water, are things blurry like when humans open their eyes below water?"
askscience
"If the gravitational pull of a planet is the same in all directions, why does Saturn, for example, have rings in only one plane? Shouldn't it be inside of a "shell" of debris instead of just having rings?"
askscience
"Moderna has announced that their vaccine is effective against the new variants but said "pseudovirus neutralizing antibody titers were approximately 6-fold lower relative to prior variants" in regards to the SA Variant. What are the implications of this?"
askscience
"Where do the photons go after the light is turned off in the room?"
askscience
"How far does an insect (like a beetle or a fly) travel from the place they were born in?"
askscience
"Is there any validity to the claim that Epsom salts "Increase the relaxing effects of a warm bath after strenuous exertion"? If so, what is the Underlying mechanism for this effect?"
askscience
"Nutrition Facts: Why is sodium listed instead of salt?"
askscience
"How are drill bits that make drill bits made? And the drill bits that make those drill bits?"
askscience
"Trappist-1 Exoplanets Megathread!"
askscience
"How is it so that several (all?) mammals grow and lose a set of "baby teeth" before growing their final dentition? Why stop at two sets when other vertebrates such as sharks regenerate their teeth constantly?"
askscience
"Can a Mars Colony be built so deep underground that it's pressure and temp is equal to Earth?"
askscience
"Can a person test negative for COVID, but still be contagious? (Assuming that person is in the process of being COVID positive)"
askscience
"If we were far enough from earth, could we see the dinosaurs alive?"
askscience
"Was the 1918 H1N1 virus the "source" for the 1957 H2N2, 1968 H3N2, and the seasonal flu that comes around each year?"
askscience
"What’s stopping the water in lakes from seeping into the soil and ‘disappearing’?"
askscience
"How do we know the age of the universe, specifically with a margin of error of 59 million years?"
askscience
"In the Seinfeld episode "The Junior Mint", Jerry and Kramer are watching an operation of a man who gets his spleen removed. Kramer is eating Junior Mints, and fumbles one that drops into the cavity of the patient, unbeknownst to the doctors. What outcome would a patient have IRL if this happened?"
askscience
"Was there a decrease in other infectious diseases other than Covid due to wearing masks during the past two years?"
askscience
"If you transplanted a multi-decade old tree from a place like say Florida to up north, would the tree “know” to lose it’s leaves in the fall or would it just die?"
askscience
"How do centipedes/millipedes control all of their legs? Is there some kind of simple pattern they use, or does it take a lot of brainpower?"
askscience
"Do we defecate our food in the order of which we ate it?"
askscience
"The rate of universal expansion is accelerating to the point that light from other galaxies will someday never reach us. Is it possible that this has already happened to an extent? Are there things forever out of our view? Do we have any way of really knowing the size of the universe?"
askscience
"Theoretically if there were 6 black holes making a cube shape that blocked off all entrances and you went into the empty space between the black holes (without getting sucked in) what would happen to space and time around you and outside of the theoretical black hole cube?"
askscience
"What is the diameter of a lightning? They are always seen like some cm of diameter, but can it be just a diameter at the scale of atoms? Does they get bigger if they have more energy?"
askscience
"Why do so many medicines require you to stop eating grapefruit?"
askscience
"Why do plants never get cancer?"
askscience
"Scientists think the Earth had 2 periods of time when it was almost completely covered in ice. They only lasted a few million years. Do we have any way of knowing if Europa or Enceladus might be in similar temporary freezes? Or is theirs a clearly permanent state?"
askscience
"Why are snowflakes flat?"
askscience
"Death Valley is 282’ below sea level. Would it offset the rising ocean to build a canal and create the Death Valley Sea?"
askscience
"How much erosion does the international space station experience as it moves through the upper atmosphere?"
askscience
"In 2024 if NASA do get to and land on the moon, will novice photographers or people with telescopes be able to see any of the mission?"
askscience
"AskScience AMA Series: We've discovered that pancreatic cancer is detectable based on microbes in stool, with the potential for earlier screening in the future. AUA!"
askscience
"Do rainbows also have sections in the infrared and/or ultraviolet spectrum?"
askscience
"How fast can a submarine surface?"
askscience