Do parrots and other talking birds teach wild birds to talk when released into the wild?

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• Do parrots and other talking birds teach wild birds to talk when released into the wild?
• Would a system of measurement based on the planck scales be a viable alternative to the metric system?
• Is it theoretically possible (even if probability is very close to zero) for air to "move to the other side of the room" and make you suffocate?
• Are PTFE facemasks toxic?
• Can a scientist explain how Regeneron is claiming that they didn't use stem cells to create the "cocktail" Trump took?
• What are the actual statistics on abuse victims becoming abusers themselves?
• Is it pure luck that 180 degrees longitude ended up conveniently in the middle of the Pacific Ocean?
• If Noah's Ark were real, and the entire world were reduced to three reproductive couples, how many years could humanity last until the gene mixing made us unviable as species?
• Do vaccines affect the strain of influenza present each season?
• Was cold dark matter always cold, or was it hot in the early universe?
• Could a viral epidemic (like COVID-19) occur on a large scale in household dogs or cats? If so, how most likely would it be transmitted?
• What is the Great Barrington Declaration?
• What is the risk of having an unexpected severe reaction to the influenza vaccine?
• How do the dynode materials in a photomultiplier tube not violate the first law of thermodynamics?
• Why, exactly, are viruses like Influenza and the novel Coronavirus deadlier in older people?
• How does acid “burn” your skin if there’s no heat present? Also, why do acid injuries look like burns?
• Why is water a better buffer of bases than acids?

Do parrots and other talking birds teach wild birds to talk when released into the wild? Posted: 18 Oct 2020 08:17 AM PDT submitted by /u/kuuzo [link] [comments]

Would a system of measurement based on the planck scales be a viable alternative to the metric system? Posted: 19 Oct 2020 06:27 AM PDT For example, all length would be measured by the planck length multiplied to powers of ten, and all time would be measured by planck seconds multiplied to powers of ten. Also, what would the speed of light be in this system? submitted by /u/ValleriVallera [link] [comments]

Is it theoretically possible (even if probability is very close to zero) for air to "move to the other side of the room" and make you suffocate? Posted: 19 Oct 2020 01:17 AM PDT Funny question I know, but is there anything that would fundamentally block this from occurring even at the most perfect and unlikely circumstances? If all the trillions and trillions of air molecules somehow aligned their movement direction to be parallel without colliding with each other -- what would happen? Would (I don't know) gravity force scatter it quickly enough? Or could they really all move to the other side of the room and make you suffocate? submitted by /u/arvyy [link] [comments]

Are PTFE facemasks toxic? Posted: 19 Oct 2020 05:48 AM PDT I saw some (possibly) misinformation on IG, but I couldn't find any research to refute or confirm. The general idea is that PTFE masks cause Teflon toxicity and can cause cancer. Thanks submitted by /u/60yearoldME [link] [comments]

Can a scientist explain how Regeneron is claiming that they didn't use stem cells to create the "cocktail" Trump took? Posted: 18 Oct 2020 04:24 PM PDT https://www.nbcnews.com/health/health-news/how-cells-taken-decades-old-fetal-tissue-are-used-covid-n1242740 I'm basically interested in these two paragraphs: In a statement to NBC News, Regeneron spokesperson Alexandra Bowie said that the company used cells from a cell line called HEK293T. These cells date back to the 1970s and were originally taken from kidney cells in donated fetal tissue. Since then, the cells have become commonplace in research labs, thanks in part to the fact that they can replicate indefinitely, ensuring they never run out. Because of this, the cells are considered "immortalized." "HEK293T wasn't used in any other way, and fetal tissue was not used in this research," Bowie said. "We did not use human stem cells or human embryonic stem cells in the development of" the monoclonal antibody cocktail. ​ How are "kidney cells in donated fetal tissue" different from "human stem cells"? Is it simply that embryos are different than feti? submitted by /u/TarantulaMcGarnagle [link] [comments]

What are the actual statistics on abuse victims becoming abusers themselves? Posted: 18 Oct 2020 07:53 AM PDT I've been searching for the statistics on this for a bit, and I can't find anything useful. Everything I've found either contains irrelevant statistics or research, anecdotal evidence or claims made about statistics/research without any sources. I found one useful source, but it was narrow as far as the form of abuse, and I'm looking for more information about different forms or abuse in general. I've heard arguments for both sides (that victims become abusers and that victims aren't any more likely to become abusers) and I just want to know something approximating the truth. Thank you! submitted by /u/Blacklion555 [link] [comments]

Is it pure luck that 180 degrees longitude ended up conveniently in the middle of the Pacific Ocean? Posted: 18 Oct 2020 10:05 PM PDT submitted by /u/phsource [link] [comments]

If Noah's Ark were real, and the entire world were reduced to three reproductive couples, how many years could humanity last until the gene mixing made us unviable as species? Posted: 18 Oct 2020 05:02 PM PDT submitted by /u/dance_apoptosistic [link] [comments]

Do vaccines affect the strain of influenza present each season? Posted: 18 Oct 2020 06:32 PM PDT Is it possible that the seasonal influenza vaccine could affect the strain of influenza that is prevalent in each hemisphere for each season? For example, let's say we develop a flu vaccine for Strain 1 which is effective. But, strain 2 is able to fill the void that is left by strain 1 and thus becomes the predominant strain. This causes people to believe the flu vaccine doesn't work. I hope I worded this correctly! submitted by /u/El-HaaK [link] [comments]

Was cold dark matter always cold, or was it hot in the early universe? Posted: 18 Oct 2020 02:01 PM PDT If the latter, at what point did the HDM turn into CDM? submitted by /u/Franzvst [link] [comments]

Could a viral epidemic (like COVID-19) occur on a large scale in household dogs or cats? If so, how most likely would it be transmitted? Posted: 18 Oct 2020 04:32 PM PDT I was particularly thinking about dogs, but even then I'd imagine that limited pet-to-pet interactions would prevent anything from spreading on too large of a scale. Could there be another vector that could pass it between household pets? I'm aware of large spread disease passing between crops and livestock but are there lesser known examples with pets? submitted by /u/By_Worfs_Beard [link] [comments]

What is the Great Barrington Declaration? Posted: 18 Oct 2020 05:29 PM PDT Me mum's anti-vax and she just forwarded me this: https://gbdeclaration.org/ I work long hours so that my family can stay afloat and really don't have the mental capacity to work myself through researching all this. Not to mention I'm no expert in this field. I just trust the experts, stay away from everyone and hope that a vaccine can be figured out relatively quickly. ​ Just some questions as ideas for an answer. I've got no clue what I'm supposed to ask. - What the heck is the Great Barrington Declaration? - What issues are there with it? - Who funds / signs / supports the GBD? ​ Thanks in advance for all answers and discussions. They're much appreciated. I'll check them tomorrow (or in a few days), when I'm a bit more rested. Gonna head to bed for a snooze. Stay safe, everyone! submitted by /u/CaesarDidNothingWong [link] [comments]

What is the risk of having an unexpected severe reaction to the influenza vaccine? Posted: 18 Oct 2020 11:17 AM PDT To help support my conversations with people who have vaccine hesitancy, I'm trying to get information that will allow me to compare the risk of getting the flu shot to the risk of other activities that many of us take on a daily basis. For example, I'd like to compare the risk of getting a serious adverse reaction to the flu shot in the US to the risk of getting in a fatal car crash. The car crash data comes up on a internet search easily: https://www-fars.nhtsa.dot.gov/Main/index.aspx Obviously the comparison of such drastically different data sets and activities will have limited value but I think it could lead to more productive conversations. Where is the similar data for the flu shot (or any other vaccine)? submitted by /u/euphonicstru [link] [comments]

How do the dynode materials in a photomultiplier tube not violate the first law of thermodynamics? Posted: 18 Oct 2020 11:05 AM PDT I'm learning about photomultiplier tubes right now and I'm wondering how the the dynode materials in a PMT... work. What is the molecular process that produces many electrons from one? So an ion hits these materials, and these materials produce a bunch of electrons, which are aimed at more of these materials, which produce more electrons, etc. etc. etc. But how are these electrons produced from... nowhere? The only thing I can think of is that say an electron hits a dynode material with an energy of X. This dynode material produces 10 electrons from this one electron, therefore these 10 electrons much each have an energy of less than X/10 in order to not violate the conservation of energy. Therefore each dynode plate is held at increasingly high voltages to help accelerate these now slowed electrons so when they hit the next plate, they'll produce MORE electrons. Do I have this... correct? submitted by /u/corrado33 [link] [comments]

Why, exactly, are viruses like Influenza and the novel Coronavirus deadlier in older people? Posted: 18 Oct 2020 09:49 AM PDT Why is it that age is such a factor in survivability for diseases like Covid, Influenza and others? What is different about the bodies of the elderly that make them more prone to mortality? submitted by /u/Anuxicus2001 [link] [comments]

How does acid “burn” your skin if there’s no heat present? Also, why do acid injuries look like burns? Posted: 17 Oct 2020 06:26 PM PDT submitted by /u/DefinitleyNot203Eels [link] [comments]

Why is water a better buffer of bases than acids? Posted: 17 Oct 2020 06:37 PM PDT I read that, for example, if you add 0.1 ml of HCl to 10ml of water, and do the same for 0.1 ml of NaOH. The HCl solution will have a pH of 1.5 and the NaOH solution will have a pH of 11.75, meaning it gets 10 times as acidic as it does basic. Water is neutral, it's HOH, so how come acids have more of an effect on its pH? submitted by /u/meyerwizard [link] [comments]

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How do scientists/epidemiologists determine which implemented measures are most effective when they are implemented simultaneously?

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• How do scientists/epidemiologists determine which implemented measures are most effective when they are implemented simultaneously?
• Why were predatory dinosaurs so often bipedal while contemporary predators are not?
• What is actually happening when milk is spoiling?
• How long must someone be infected with Coronavirus before they are contagious? How long until they test positive?
• Following COVID-19 protocols, why can I get a cold or flu?
• Could remdesivir decrease severity of symptoms without decreasing mortality?
• If Iron has a higher melting point than Magnesium. Why does Fayalite(Fe2Sio4) melt at a lower temperature than Forsterite(Mg2Sio4)?
• Does brushing your teeth select for more adherent bacteria?
• GPS-enabled watches that hunters use regularly communicate their position to a server so they can be tracked for safety. How does a watch send that information when they're out in the middle of nowhere?
• What are importines are exportines ?
• Can someone explain how long term memories are stored in the brain?
• Why hasnt all water on earth turned into tea?
• How come you can't see space debris in the earth pictures?

How do scientists/epidemiologists determine which implemented measures are most effective when they are implemented simultaneously? Posted: 18 Oct 2020 03:58 AM PDT For example, when it is recommended that people wash their hands regularly, wear a face covering and stay 2 metres apart, how can we tell which of the measures is having the biggest impact in order to further our understanding of how the virus spreads, when there is not a control group to compare? submitted by /u/grunthorpe [link] [comments]

Why were predatory dinosaurs so often bipedal while contemporary predators are not? Posted: 17 Oct 2020 04:23 PM PDT submitted by /u/emmeminus [link] [comments]

What is actually happening when milk is spoiling? Posted: 17 Oct 2020 11:44 PM PDT submitted by /u/servel333 [link] [comments]

How long must someone be infected with Coronavirus before they are contagious? How long until they test positive? Posted: 17 Oct 2020 04:59 PM PDT submitted by /u/DaWildThing [link] [comments]

Following COVID-19 protocols, why can I get a cold or flu? Posted: 17 Oct 2020 03:06 PM PDT I follow COVID-19 protocols (mask, handwashing, distancing, wiping down any packaging/food/mail). Why am I still vulnerable to getting a cold or the flu? submitted by /u/jess_askin [link] [comments]

Could remdesivir decrease severity of symptoms without decreasing mortality? Posted: 17 Oct 2020 01:39 PM PDT For example, the use of inhaled nitric oxide does not decrease mortality, but by increasing oxygenation will allow for less hypoxic episodes leading to less damage. Having less hypoxic episodes also allows for gentler mechanical ventilator settings, meaning less damage to the lungs. Could remdesivir have a similar effect? submitted by /u/truetool [link] [comments]

If Iron has a higher melting point than Magnesium. Why does Fayalite(Fe2Sio4) melt at a lower temperature than Forsterite(Mg2Sio4)? Posted: 17 Oct 2020 07:21 PM PDT submitted by /u/PachytheDino [link] [comments]

Does brushing your teeth select for more adherent bacteria? Posted: 17 Oct 2020 02:30 AM PDT As I understand it, when you brush your teeth you are physically removing bacteria by force. Why aren't you therefore selecting for more adherent bacterial cell types, thus making it so that efficiently removing bacteria by brushing becomes more and more difficult over many years? Is this something that can/does occur or is the sheer force of removal by brushing simply too much for the cells to adapt against/cope with? Someone asked me this during a conversation regarding bacterial resistance against antibiotics and I honestly am not sure how to address it. Cheers for any helpful answers. submitted by /u/Carlin95 [link] [comments]

GPS-enabled watches that hunters use regularly communicate their position to a server so they can be tracked for safety. How does a watch send that information when they're out in the middle of nowhere? Posted: 17 Oct 2020 07:47 AM PDT I have several friends and family who are avid hunters and several of them use these expensive GPS tracking watches so that we can monitor their location in semi real time (updated every hour or so). I was wondering what method of communication these watches had to transmit that data so reliably even when they're deep in the woods, up on top of mountains, or down in valleys. submitted by /u/Indy_Pendant [link] [comments]

What are importines are exportines ? Posted: 17 Oct 2020 08:48 AM PDT I'm studying the nucleus cytoplasm transport in celular biology, and I don't quite get wether the importines and exportines are the proteins that join NLS or NES to then join the exportation or importation receptor directly or with an adaptador to create a complex that goes through the pores from or to the nucleus, or if the importines and exportines are the importation or exportation receptors themselves. I know beta importines are receptors so I'm turning a little crazy. Help please !!! submitted by /u/pandacobain [link] [comments]

Can someone explain how long term memories are stored in the brain? Posted: 17 Oct 2020 08:56 AM PDT Is it a fully structural thing? Does that mean the structures are rewritten if you think about them in different ways enough? submitted by /u/MrChickenMelt [link] [comments]

Why hasnt all water on earth turned into tea? Posted: 16 Oct 2020 07:07 PM PDT Hear me out! I'm not trying to be ridiculous, but trees and plants have been around for 350 million years. Plant leaves in water make tea, how has 350 millions years of plants annually dropping their leaves not turned at least all fresh water lakes and ponds into huge tea pots? Do fish really filter that much water, and if so are they essentially the biggest consumers of tea on the planet? submitted by /u/Devi1s-Advocate [link] [comments]

How come you can't see space debris in the earth pictures? Posted: 17 Oct 2020 06:17 AM PDT How come if we see the pictures of the beautiful earth from space or ISS we never see the debris that flies around the earth although there are thousands pieces of debris that constantly colliding with one another submitted by /u/mili348 [link] [comments]

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When can we expect COVID-19 trials for children? What criteria will be used to determine effectiveness and safety? Why are children being put in trials last?

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• When can we expect COVID-19 trials for children? What criteria will be used to determine effectiveness and safety? Why are children being put in trials last?
• Could you infect a cow with a virus (ie covid 19) and then get the antibodies from its milk?
• How do anthelmintics work and can they work in vitro?
• Do we have a plan to deal with the eventual orbit decay of the ISS'?
• How would a nuclear reactor setup fare in space?
• Aside from oxygen, do we obtain other nutrients from the air through our lungs?
• Would it be possible to create a spacesuit or device that could help astronauts resist Io's intense radiation environment so a manned mission to this exotic and amazing world would be possible?
• How long did it take to identify and create a vaccine for the first flu epidemic?
• How difficult would it be to eradicate rabies in a similar manner to how we have defeated smallpox?
• Could we selectively breed or genetically engineer cattle that fart less frequently or voluminously, or expel different compounds in order to reduce greenhouse gasses?

When can we expect COVID-19 trials for children? What criteria will be used to determine effectiveness and safety? Why are children being put in trials last? Posted: 17 Oct 2020 07:28 AM PDT submitted by /u/scifilove [link] [comments]

Could you infect a cow with a virus (ie covid 19) and then get the antibodies from its milk? Posted: 16 Oct 2020 07:25 AM PDT submitted by /u/bulbasaurisbae [link] [comments]

How do anthelmintics work and can they work in vitro? Posted: 16 Oct 2020 08:00 PM PDT I am curious to how antiparasite medication works, can they also work in vitro, as in if I were to put the medication in a dish full of x parasites? I am thinking mebendazole, piperZine... submitted by /u/jommyjimmytimmy [link] [comments]

Do we have a plan to deal with the eventual orbit decay of the ISS'? Posted: 16 Oct 2020 11:44 AM PDT submitted by /u/UmbralApocrypha [link] [comments]

How would a nuclear reactor setup fare in space? Posted: 16 Oct 2020 01:17 PM PDT My main question is about the heat dissipation in space. Since space is generally very cold, would it be more efficient for a nuclear reactor to be cooled in space or would it be less efficient to rely on heat radiation without any air vs an air or water-cooled system as they're designed to work in an atmosphere? submitted by /u/Lobuttomize [link] [comments]

Aside from oxygen, do we obtain other nutrients from the air through our lungs? Posted: 16 Oct 2020 03:52 PM PDT submitted by /u/GiddySwine [link] [comments]

Would it be possible to create a spacesuit or device that could help astronauts resist Io's intense radiation environment so a manned mission to this exotic and amazing world would be possible? Posted: 16 Oct 2020 08:20 AM PDT Granted its an inhospitable hellhole, probably even more so than Venus, but its such a beautiful, dynamic, and bizarre world, one would just love to get a glimpse of what it looks like to walk around on that surface. Will the radiation, however, make this a total pipe dream or will we ever devise a method to shield ourselves from the torrent of high energy particles? submitted by /u/LordTafurious [link] [comments]

How long did it take to identify and create a vaccine for the first flu epidemic? Posted: 16 Oct 2020 02:06 PM PDT submitted by /u/dulfuckyourself [link] [comments]

How difficult would it be to eradicate rabies in a similar manner to how we have defeated smallpox? Posted: 16 Oct 2020 02:21 AM PDT submitted by /u/THEONLYFURY [link] [comments]

Could we selectively breed or genetically engineer cattle that fart less frequently or voluminously, or expel different compounds in order to reduce greenhouse gasses? Posted: 15 Oct 2020 08:58 PM PDT submitted by /u/KappaThetaRho [link] [comments]

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Two large satellites are predicted to have a >10% chance of colliding at 8:56pm on Thursday. If it happened, what would we be able to see from the surface of Earth, and what would the short and long term consequences be?

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• Two large satellites are predicted to have a >10% chance of colliding at 8:56pm on Thursday. If it happened, what would we be able to see from the surface of Earth, and what would the short and long term consequences be?
• What is the farthest back you could go in human history, take a child, and raise it in the modern day world and have it be a normal human?
• Am I properly understanding quantum entanglement (could FTL data transmission exist)?
• What share of Covid-19 patients suffers long-term impact?
• Why can we no longer see light after we turn off/extinguish the light source?
• If normal force cancels out the gravitational force on a flat surface, why do I still feel my own weight?
• What happens to time if an object completely stops moving?
• Why have the number of "bits" in commercial computer processors stopped increasing?
• Please explain superfluidity. How is it possible that a fluid has zero viscosity?
• Can other animal species have vision impairments like needing glasses?
• What do B Cells do in our immune system? What would it be like if we didn’t have them?
• Seasonal flu comes back every year, are they all different strains every year? wonder why we didn’t hear about “2nd wave”(other than Spanish flu)?
• Why airplanes fly? (Bernoulli or Conada?)

Two large satellites are predicted to have a >10% chance of colliding at 8:56pm on Thursday. If it happened, what would we be able to see from the surface of Earth, and what would the short and long term consequences be? Posted: 15 Oct 2020 01:37 PM PDT LeoLabs are predicting that two large satellites have an uncomfortably high chance of colliding at an altitude of ~1,000km on Thursday. (EDIT: Looks like the satellites passed each other without incident, thankfully.) Given their high mass and relative velocity, would a collision produce a flash capable of being seen from Earth, either with the naked eye or with a telescope (however powerful)? Will debris at that altitude make space exploration much more difficult, and if so, for how long? And a bonus question: what, if anything, could we do about it with such short notice, assuming we had access to whatever resources necessary? Thank you, space boffins. Edit: Sorry, I should have been clearer that the timezone for the collision estimate was reported in EDT, so the moment has now passed and it seems that the objects missed each other by as little as 10 metres. That being said, I'm still interested to know the hypothetical answers to the above questions for when situations like this inevitably occur again in the future. I'd also like to expand the scope of the "what could we do about it" question: rather than asking what we could do about this specific collision, in general what could we do about any potential collision of space debris? How much time would we realistically need, given the current state of technology, to mount a response to cope with something on this scale? How would that timeline change if, say, China, the US, and Europe all decided that avoiding a collision was priority number one and provided unlimited resources to solve the problem? submitted by /u/neotek [link] [comments]

What is the farthest back you could go in human history, take a child, and raise it in the modern day world and have it be a normal human? Posted: 15 Oct 2020 11:22 AM PDT Always wondered about this, and exactly when we became the same Homosapiens we are today. Thanks in advance submitted by /u/CountRackulah [link] [comments]

Am I properly understanding quantum entanglement (could FTL data transmission exist)? Posted: 16 Oct 2020 06:55 AM PDT I understand that electrons can be entangled through a variety of methods. This entanglement ties their two spins together with the result that when one is measured, the other's measurement is predictable. I have done considerable "internet research" on the properties of entangled subatomic particles and concluded with a design for data transmission. Since scientific consensus has ruled that such a device is impossible, my question must be: How is my understanding of entanglement properties flawed, given the following design? Creation: A group of sequenced entangled particles is made, A (length La). A1 remains on earth, while A2 is carried on a starship for an interstellar mission, along with a clock having a constant tick rate K relative to earth (compensation for relativistic speeds is done by a computer). Data Transmission: The core idea here is the idea that you can "set" the value of a spin. I have encountered little information about how quantum states are measured, but from the look of the Stern-Gerlach experiment, once a state is exposed to a magnetic field, its spin is simultaneously measured and held at that measured value. To change it, just keep "rolling the dice" and passing electrons with incorrect spins through the magnetic field until you get the value you want. To create a custom signal of bit length La, the average amount of passes will be proportional to the (square/factorial?) of La. Usage: If the previously described process is possible, it is trivial to imagine a machine that checks the spins of the electrons in A2 at the clock rate K. To be sure it was receiving non-random, current data, a timestamp could come with each packet to keep clocks synchronized. K would be constrained both by the ability of the sender to "set" the spins and the receiver to take a snapshot of spin positions. So yeah, please tell me how wrong I am. submitted by /u/fixednovel [link] [comments]

What share of Covid-19 patients suffers long-term impact? Posted: 15 Oct 2020 12:51 PM PDT We know that the virus hospitalizes mostly elderly and those with pre-existing conditions. But how about the mild cases? We've all read stories about long term tiredness, damaged heart and lungs, confusion, forgetfulness (brain damage). So do we know anything about the numbers? 1%? 50% of cases? New York Times talked high numbers (30-50%) NYT but it's not clear to me how / if that applies to the general population. submitted by /u/apples-and-apples [link] [comments]

Why can we no longer see light after we turn off/extinguish the light source? Posted: 16 Oct 2020 02:59 AM PDT A few months ago, I learned in class that light is a form of electromagnetic radiation and (if I'm understanding EM radiation correctly) that means that light is just visible energy. If I make a sound in a large parking lot, the sound lingers because the vibration bounces off the walls. Why is this effect seemingly nonexistent for light? submitted by /u/WeebHunter44 [link] [comments]

If normal force cancels out the gravitational force on a flat surface, why do I still feel my own weight? Posted: 16 Oct 2020 05:44 AM PDT I got this question from a student I teach high school physics to (we just started the chapter about forces), and I wasn't able to formulate a satisfying explanation for myself, can you guys help me out? submitted by /u/Gizmo110 [link] [comments]

What happens to time if an object completely stops moving? Posted: 16 Oct 2020 05:23 AM PDT When I say stops moving, I mean without Earth's rotation, orbit, or any other motion it may go through. Just purely frozen in the universe. submitted by /u/ALittleSurprise1013 [link] [comments]

Why have the number of "bits" in commercial computer processors stopped increasing? Posted: 15 Oct 2020 12:05 PM PDT In the 20th century, major advances in computing were marked by the number of bits the machine was capable of processing. 8 bit machines, 16 bit, 32 bit and then 64 bit. But it seems we never got to a 128 bit machine (or if we did it was never made commercially) why have commercial computers never adopted 128 bit technology? submitted by /u/tomtomuk2 [link] [comments]

Please explain superfluidity. How is it possible that a fluid has zero viscosity? Posted: 15 Oct 2020 11:08 AM PDT submitted by /u/w2555 [link] [comments]

Can other animal species have vision impairments like needing glasses? Posted: 15 Oct 2020 10:45 AM PDT submitted by /u/TXL89 [link] [comments]

What do B Cells do in our immune system? What would it be like if we didn’t have them? Posted: 15 Oct 2020 01:06 PM PDT Hey! I'm learning more about immunomodulators and everything online is a bit too sciencey for me to completely understand. Specifically, I'm wondering what B cells actually do, and what our body/immune system would be like without them. I know a bit about T cells but B is a mystery submitted by /u/cantthink0fanything [link] [comments]

Seasonal flu comes back every year, are they all different strains every year? wonder why we didn’t hear about “2nd wave”(other than Spanish flu)? Posted: 15 Oct 2020 09:05 AM PDT submitted by /u/FictionBread [link] [comments]

Why airplanes fly? (Bernoulli or Conada?) Posted: 14 Oct 2020 06:57 PM PDT https://www.youtube.com/watch?v=3KqjRPV9_PY I was watching that, but the explanation sounds like dark magic to me (which is fair enough, it is a pop-sci). My exact question is: What experiment can differentiate if it is indeed Bernoulli or Conada effect? submitted by /u/BeatriceBernardo [link] [comments]

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AskScience AMA Series: I'm Astronaut Terry Virts: An Insider who can tell you about leaving planet earth! Ask me anything!

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• AskScience AMA Series: I'm Astronaut Terry Virts: An Insider who can tell you about leaving planet earth! Ask me anything!
• How can a COVID-19 vaccine be ready in less time than it takes for the trials to be completed?
• Is alcohol equally efficient in killing all types of viruses?
• Does superconductivity occur naturally anywhere in the universe?
• Anybody who's knowledegeable about the African Swine Fever?
• How do fevers kill a human?
• How much electrical charge is required to make a difference in the weight of a battery?
• Why do lightnings form over erupting volcanoes?
• If the universe is always expanding, is it infinite? Was it always expanding or did it start at some point? Is it always expanding at the same speed? Will it always be expanding?
• Would a attempt to land people on mars using today’s technology be more dangerous then the first moon landing ?
• Why are asymptomatic covid cases getting tested in the first place ?

AskScience AMA Series: I'm Astronaut Terry Virts: An Insider who can tell you about leaving planet earth! Ask me anything! Posted: 15 Oct 2020 04:00 AM PDT Hi Reddit, I'm Col. Terry Virts. I'm a former astronaut who commanded the International Space Station from 2014-2015. I also spent two weeks piloting the Space Shuttle Endeavour in 2010. During my time in space, I took more than 300,000 photos of earth, conducted hundreds of experiments, did everything from shooting an IMAX movie to replacing a crew mate's tooth filling! I also went on three spacewalks. I'm now a professional speaker, photographer, director, and author. My directorial debut documentary, One More Orbit, was released on VOD on Oct. 6 and my new book, How to Astronaut: An Insider's Guide to Leaving Planet Earth released on Sep. 15! From fighter jets to unwieldly space suits, space station cuisine, and an uncensored look at answering the call of nature in zero-g, HOW TO ASTRONAUT: An Insider's Guide To Leaving Planet Earth is a wildly entertaining collection of short essays that offers a primer for future space tourists with a sneak peek behind the curtain at the rules, lessons, procedures, and experiences of space travel. I will start at 2pm Eastern (18 UT), ask me anything! Username: /u/Astro-Terry submitted by /u/AskScienceModerator [link] [comments]

How can a COVID-19 vaccine be ready in less time than it takes for the trials to be completed? Posted: 14 Oct 2020 11:53 PM PDT I'm confused about this. I've seen some articles say that the trials for the covid vaccines are supposed to last for two years, but I also have been reading that a vaccine may be ready (if not widely available) within a few months. How can a vaccine be ready that soon if the trials are supposed to last longer? submitted by /u/Lucca01 [link] [comments]

Is alcohol equally efficient in killing all types of viruses? Posted: 15 Oct 2020 06:51 AM PDT Is any type of virus more resistant than the others to alcohol, even if still vulnerable? submitted by /u/PsychedelicDoggo [link] [comments]

Does superconductivity occur naturally anywhere in the universe? Posted: 14 Oct 2020 04:52 PM PDT My guess is that we don't have any concrete evidence of it occurring anywhere, but I'm curious if there are any likely candidates for where it might occur? For example, is there any chance that it could be influencing the magnetic field of certain types of planets? submitted by /u/PokerPirate [link] [comments]

Anybody who's knowledegeable about the African Swine Fever? Posted: 14 Oct 2020 07:45 PM PDT Can ASF (African Swine Fever) affect other animals? submitted by /u/KonigKreiger [link] [comments]

How do fevers kill a human? Posted: 14 Oct 2020 11:31 AM PDT When the internal temperature of our bodies gets too high (>42°C), people can die from the heat, probably owing to enzymes not working at peak efficiency. My question is: which enzymes/cells/organs are so affected by the fever and how can it be lethal? submitted by /u/Bastiproton [link] [comments]

How much electrical charge is required to make a difference in the weight of a battery? Posted: 14 Oct 2020 03:31 PM PDT How much electrical charge, in terms of mAh or otherwise, is required to make a 1g or 1kg difference in a battery? I know electrons weigh something, albeit incredibly little, so how many electrons make a gram, and how much power will 1 gram of electrons produce? submitted by /u/SpuddyA7X [link] [comments]

Why do lightnings form over erupting volcanoes? Posted: 14 Oct 2020 01:40 PM PDT Basically that. Every time I see a picture or video of an erupting volcano, there's a thunderstorm or lightnings over it. submitted by /u/Gonzakap [link] [comments]

If the universe is always expanding, is it infinite? Was it always expanding or did it start at some point? Is it always expanding at the same speed? Will it always be expanding? Posted: 14 Oct 2020 04:19 PM PDT submitted by /u/iah_c [link] [comments]

Would a attempt to land people on mars using today’s technology be more dangerous then the first moon landing ? Posted: 14 Oct 2020 11:11 AM PDT I know there's probably a ton of factors going into this question , as uneducated as I am on the topic I can understand that travel and landing on mars is no easy feat .but I'd be happy with an educated guess. Mars seems really difficult but Apollo 11 had its own share of close calls so idk. What's a realistic guess at the rate of failure edit the first missions going to look like if we push through as fast as possible with it. submitted by /u/Timely_Key_4665 [link] [comments]

Why are asymptomatic covid cases getting tested in the first place ? Posted: 14 Oct 2020 03:52 PM PDT If they have no symptoms why are they getting a covid test? according to google 80% of infections are mild or asymptomatic . submitted by /u/productionmaster88 [link] [comments]

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