Do rainbows contain light frequencies that we cannot see? Are there infrared and radio waves on top of red and ultraviolet and x-rays below violet in rainbow?

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• Do rainbows contain light frequencies that we cannot see? Are there infrared and radio waves on top of red and ultraviolet and x-rays below violet in rainbow?
• If I put a refrigerator in a room with the lid open, does the room get warmer, cooler, or stay the same?
• Why does brown sugar harden, and how come putting a slice of bread in a container of hard brown sugar soften it?
• If scientists are unsure about COVID-19 antibodies providing long-term immunity and preventing re-infection, why should we hope for anything different from a vaccine?
• Why high end audio equipment tend to have higher impedance?
• Can the blood plasma extracted from a person of one blood type be given to someone of a different blood type?
• How does the coronavirus/COVID19 test detect the presence of the virus?
• Political Science Question. Since universal healthcare is such a dividing topic, why can’t states just do it on an individual state level due to federalism?
• Do all psychoactive drugs work by either being an agonist or antagonist for certain neurotransmitters?
• Why are some scars permanent? Why do they last longer than your other skin cells?
• Why is the moon covered in so many craters but the Earth isnt?
• Do animals feign death intentionally or is it uncontrollable reflex from a threat?
• How does algae cells assimilate phosphorus?
• How does the liver know the appropriate enzymes to secrete to break down food?
• Green peppers are hollow. How does the air get inside? Also, what would be the evolutionary advantage of being hollow like that?
• Did the chromatophores of the chameleon and octopus evolve in parallel, or do they derive from a common ancestor?
• How are tectonic plates mapped?
• How can poliovirus and other pathogens lead to permanent conditions if the bodies adaptive immune system is still functioning?
• What makes different parts of the brain carry out functions?
• Why can't you untoast toast, or unburn wood?

Do rainbows contain light frequencies that we cannot see? Are there infrared and radio waves on top of red and ultraviolet and x-rays below violet in rainbow? Posted: 08 May 2020 07:13 AM PDT submitted by /u/Jmuuh [link] [comments]

If I put a refrigerator in a room with the lid open, does the room get warmer, cooler, or stay the same? Posted: 08 May 2020 07:23 AM PDT submitted by /u/IAmThe2nd [link] [comments]

Why does brown sugar harden, and how come putting a slice of bread in a container of hard brown sugar soften it? Posted: 08 May 2020 07:44 AM PDT I'm a materials scientist, so from a crystallographic point of view I'd imagine the sugar, when exposed to air, crystalizes in such a way that locks and prevents movement between sugar grains. If this is true, why would the crystals form when exposed to air from a scientific perspective? Additionally, what function does putting a slice of bread inside hardened brown sugar serve? Does it absorb moisture thus allowing sugar crystal movement again? submitted by /u/Fin_Olesa [link] [comments]

If scientists are unsure about COVID-19 antibodies providing long-term immunity and preventing re-infection, why should we hope for anything different from a vaccine? Posted: 07 May 2020 05:41 PM PDT To be clear, I'm not anti-vaccination. I'm very much pro. But if the idea behind a vaccine is that the antibodies will provide immunity, but that we don't have evidence that these antibodies are doing that, then why are we so confident a vaccine is the answer? submitted by /u/cshake93 [link] [comments]

Why high end audio equipment tend to have higher impedance? Posted: 07 May 2020 11:58 PM PDT I just got myself a Shure SM58 as a mic which has an impedance of 300 Ohms compared to the 150 of my previous, lower end microphone. Same goes with headphones with some high end models going in the range of 200/300 Ohms while common earbuds sit at around 30 Ohms. The basic principle across all of those devices is the same, being magnetic induction so why higher impedance is preferred for good audio quality? Does the fact that by increasing resistance the inductance (which complex impedance varies with frequency) is less important so the response at the various frequencies is more constant? I'm a physics undergrad so you can go pretty deep with technical explanation if you want, I hope to be able to understand it. submitted by /u/R3NTZ_ [link] [comments]

Can the blood plasma extracted from a person of one blood type be given to someone of a different blood type? Posted: 08 May 2020 12:38 AM PDT So there's some hope of giving blood plasma from COVID19 recoverers to those that are infected and high risk of death. Would donor and recipient of the plasma have to be of the same blood type? Or does the separation process remove that requirement? submitted by /u/PickUpYourFries [link] [comments]

How does the coronavirus/COVID19 test detect the presence of the virus? Posted: 08 May 2020 08:15 AM PDT I tagged chemistry because I guess it would be to do with that? To elaborate, what is actually done with the sample to find the virus? Is it like just put in a computer and it detects... something? Or do you put the sample in a solution and then it goes purple for positive and a bluer purple for negative? I'm just curious about the process and how it works after the initial swab that we see from the side of being tested. Hope this doesn't violate any rules, and isn't too broad a question, and I'm sorry if the flair's wrong. submitted by /u/Greaseball01 [link] [comments]

Political Science Question. Since universal healthcare is such a dividing topic, why can’t states just do it on an individual state level due to federalism? Posted: 08 May 2020 04:57 AM PDT I was thinking, just like how legal marijuana was unfathomable a decade ago but thanks to individual states trying it out it's now slowly spreading across the country. Why can't the same be done with single payer healthcare? Isn't that why states have these rights? So they can act as testing grounds for ideas? Thanks submitted by /u/Tattoomyvagina [link] [comments]

Do all psychoactive drugs work by either being an agonist or antagonist for certain neurotransmitters? Posted: 07 May 2020 05:56 PM PDT submitted by /u/Aidanmartin3 [link] [comments]

Why are some scars permanent? Why do they last longer than your other skin cells? Posted: 07 May 2020 03:30 PM PDT Why don't scars just slough off over time like your skin? What about them makes them more permanent? submitted by /u/selesnyandruid [link] [comments]

Why is the moon covered in so many craters but the Earth isnt? Posted: 07 May 2020 02:26 PM PDT Why does the Earth have seemingly so few large craters unlike the moon? Weren't they created at the same time? And technically, since the moon is smaller shouldn't it have a lesser chance of being hit? Or were the craters on the moon not created my meteorites? submitted by /u/ppaannggwwiinn [link] [comments]

Do animals feign death intentionally or is it uncontrollable reflex from a threat? Posted: 07 May 2020 04:48 PM PDT I saw a popular and funny video of a snake faking death by turning upside down. When the person with camera turn it back over it continuously turn back upside down over and over. It seemed like the snake could have quickly scurried into bushes to get away, but it's just kept turn upside down over and over again. Can animals control this behavior or is it a reflex that they can't control? submitted by /u/wiserone29 [link] [comments]

How does algae cells assimilate phosphorus? Posted: 07 May 2020 05:39 PM PDT I was wondering how plant cells take in phosphorus. For an example when phosphorus from fertilizer gets into a nearby lake. Then the algae take in the nutrients, and can create blooms of algae. How exactly does the the phosphorus get into the cell through the cell membrane. I have tried to find pictures, but I can't seem to find any. Thank you in advance! submitted by /u/ScienceNature [link] [comments]

How does the liver know the appropriate enzymes to secrete to break down food? Posted: 07 May 2020 12:44 PM PDT submitted by /u/SadBluejay5 [link] [comments]

Green peppers are hollow. How does the air get inside? Also, what would be the evolutionary advantage of being hollow like that? Posted: 07 May 2020 02:28 PM PDT submitted by /u/m-lp-ql-m [link] [comments]

Did the chromatophores of the chameleon and octopus evolve in parallel, or do they derive from a common ancestor? Posted: 07 May 2020 03:15 PM PDT submitted by /u/0xD153A53 [link] [comments]

How are tectonic plates mapped? Posted: 07 May 2020 12:59 PM PDT I was just reading this post about volcanoes and it got me thinking- how do we know where the boundaries of the tectonic plates are? How precisely can we know the boundaries? submitted by /u/Orpheus91 [link] [comments]

How can poliovirus and other pathogens lead to permanent conditions if the bodies adaptive immune system is still functioning? Posted: 07 May 2020 11:50 AM PDT submitted by /u/captain_child [link] [comments]

What makes different parts of the brain carry out functions? Posted: 07 May 2020 05:15 PM PDT I have been searching on the internet but can't seem to find any explanation to why distinct areas from the brain ,like lobes for instance, carry out tasks that don't have anything to do with each other if they are all made up by the same nervous tissue. Are chemical receptors the key to what each area is responsible for, is it the architecture, or is it something else? submitted by /u/Michael_Arter [link] [comments]

Why can't you untoast toast, or unburn wood? Posted: 07 May 2020 08:36 PM PDT submitted by /u/Snowkiller953 [link] [comments]

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Can my 7 year old ask you about tornadoes?

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• Can my 7 year old ask you about tornadoes?
• Can my 7 year old ask you questions about volcanoes?
• Why is frame-dragging limited by the speed of light?
• How does the earth's axial tilt influence climate? If it is more tilted, is the overall climate at the poles warmer?
• Theoretically, would a significant (sci-fi significant) change in the density of rock etc of a planet and its layers be able to create significant gravitational differences in different places around a planet? (Providing the rock has different densities in different places)
• Why are superconductors used as thick bundles if they have 0 resistance anyway?
• How does the sun provide vitamin D?
• What is the difference between magnetic and electric fields?
• Why don't all gas pipe flows end up at sonic speed?
• How is the accuracy of a COVID-19 test determined (virus and antibody alike)?
• How is air regulated on the ISS? What concentrations of oxygen and other airs are used?
• Magma is molten rock under a planet's surface. Lava is molten rock that comes up through a volcano. Is there a technical/specific name for molten rock that originated on the surface, like a planet that hasn't cooled or the rock that melts from an asteroid impact?
• Can an unvaccinated dog who is shedding the rabies virus through saliva get vaccinated for the first time and not develop symptoms?

Can my 7 year old ask you about tornadoes? Posted: 07 May 2020 09:57 AM PDT So my son has high functioning autism and he is obsessed with tornados. He is 7 and constantly pesters his mom and myself with questions. I know the basics but I am hoping that the more knowledgeable of you can provide more correct answers that I can simplify for him. And any other super cool facts wold be super appreciated! Tornados: How do tornadoes create a vortex? How are their winds so strong? How do tornadoes form their eye? Is the center of the tornado the strongest part? How do tornadoes crush items that it sucks up? submitted by /u/Captainj321 [link] [comments]

Can my 7 year old ask you questions about volcanoes? Posted: 07 May 2020 09:55 AM PDT So my son has high functioning autism and he is obsessed with volcanos. He is 7 and constantly pesters his mom and myself with questions. I know the basics but I am hoping that the more knowledgeable of you can provide more correct answers that I can simplify for him. And any other super cool facts wold be super appreciated! Volcanoes: How do volcanoes blast off their tops? How do volcanoes form rocks? How do volcanoes form/receive lava? How much force does a volcano produce when erupting? submitted by /u/Captainj321 [link] [comments]

Why is frame-dragging limited by the speed of light? Posted: 06 May 2020 06:27 PM PDT One of the explanations I've seen for why black holes can't spin faster than c (at the event horizon) is that this would cause objects to be frame-dragged (frame-drug?) at superluminal speeds as seen by a distant observer. But frame-dragging is the warping of space, and as we see with the cosmological expansion of space and theoretical technologies like an Alcubierre drive, space itself isn't prohibited from moving faster than light relative to other areas of space and carrying matter along with it. submitted by /u/KingSupernova [link] [comments]

How does the earth's axial tilt influence climate? If it is more tilted, is the overall climate at the poles warmer? Posted: 07 May 2020 08:59 AM PDT I read that greater tilt in Earth's axis balances solar radiation over a greater surface area. Does this mean that if earth's tilt is greater, the north pole would be cooler? I thought that if the earth was more tilted the northern latitudes would be warmer since more ice would melt during the summer. Is this wrong? I'm not sure since then wouldn't more ice form during the winter too? I know that melting ice can lead to a cascading effect where more sunlight gets absorbed (the reverse for forming ice). Which process would be stronger, in this case? submitted by /u/MegaFatcat100 [link] [comments]

Theoretically, would a significant (sci-fi significant) change in the density of rock etc of a planet and its layers be able to create significant gravitational differences in different places around a planet? (Providing the rock has different densities in different places) Posted: 07 May 2020 05:40 AM PDT I'm currently theorizing some ideas for a story I'm planning on writing and I wanted to get the communities opinion on this, if I'm even in the correct ballpark! (This is all theoretical so aside from the impossibility of this forming naturally I wanted to query if it's possible theoretically) If the density of material in 1km2 (from the surface to the core of a planet) were (x) times more dense than in another would there be a number significant enough that gravity would be 2x or even 5x stronger? If not is there a way that this could occur on paper that would make any scientific sense for significant localised gravitational differences across a planet's surface? (Kind of like how earth has super small differences in gravity but much stronger and with more defined borders of strength) submitted by /u/PuddleofExistential [link] [comments]

Why are superconductors used as thick bundles if they have 0 resistance anyway? Posted: 06 May 2020 01:23 PM PDT In machines such as ITER I see thick bundles of superconductors. The only reason I know would be to increase cross section to lower resistance and thus allow more current at the available voltage. But resistance is 0 anyway, why does it need to be thick? submitted by /u/AStove [link] [comments]

How does the sun provide vitamin D? Posted: 06 May 2020 02:52 PM PDT I read a little about what uv rays do to cholesterol, but I don't understand why we'd need the sun to "produce" vitamin D. If someone could explain the whole phenomenon a little bit more I'd appreciate. submitted by /u/Girlsolano [link] [comments]

What is the difference between magnetic and electric fields? Posted: 06 May 2020 01:00 PM PDT What exactly is the difference between magnetic and electric fields? I've got the impression it's basically the same thing accept electric fields are produced only by electricity and magnetic fields are produced by magnets (and electricity?). Could someone just explain it simply, preferably without using too complicated sciency words! Thanks. submitted by /u/13245768900 [link] [comments]

Why don't all gas pipe flows end up at sonic speed? Posted: 06 May 2020 01:58 PM PDT According to the 1D models of compressible fluid flow, the effects of pipe wall friction and the effects of heat addition from the environment both drive a flow toward Mach 1 (i.e. the speed of sound). Whether the flow starts of supersonic (M > 1) or subsonic (M < 1), the M = 1 condition is the maximum entropy point. Wall friction will actually cause a subsonic flow of gas through a pipe to accelerate up to M = 1 (I still have difficulty wrapping my head around this). So why then don't we find that all gaseous flows through a pipe ultimately end up with sonic flow velocities? I also do not understand what happens after the flow reaches M = 1. The textbooks I've read just say "if there is still pipe length left or heat addition past the point of M = 1, then the inlet conditions must spontaneously change such that the flow reaches M = 1 at the end of the pipe." But they do not explain what these changes are or what mechanism enforces them. What if I am controlling the inlet conditions to be, say, a certain pressure? Then what happens at the end of a rough walled pipe if the flow reaches M = 1 in the middle? TL;DR: Entropy is maximized when a compressible fluid flow velocity through a pipe reaches the speed of sound. So why aren't all our natural gas pipelines carrying gas at the speed of sound? submitted by /u/Bellgard [link] [comments]

How is the accuracy of a COVID-19 test determined (virus and antibody alike)? Posted: 06 May 2020 02:32 PM PDT So from my understanding, to determine the accuracy of a test, you have to rule out false negatives as well as false positives. False negatives should be easy as they can just test on people who have (or in case of an antibody test, already had) the disease. However, due to the large amount of asymptomatic infections, I can't wrap my mind around on how they'd determine those. If they test someone who didn't have symptoms and it tests positive, how do they know if they really had COVID-19 or if it's just a false positive? Are there other ways to determine this without testing people? submitted by /u/SirAnducar [link] [comments]

How is air regulated on the ISS? What concentrations of oxygen and other airs are used? Posted: 06 May 2020 10:45 AM PDT I was wondering how air the astronauts breath is regulated and made. Is the oxygen 21% like it is on Earth? Is there nitrogen? Other trace airs? I assume there's CO2 as they need to breath out. Anyway thanks in advance. submitted by /u/emirra1979 [link] [comments]

Magma is molten rock under a planet's surface. Lava is molten rock that comes up through a volcano. Is there a technical/specific name for molten rock that originated on the surface, like a planet that hasn't cooled or the rock that melts from an asteroid impact? Posted: 06 May 2020 09:37 AM PDT submitted by /u/Nerrolken [link] [comments]

Can an unvaccinated dog who is shedding the rabies virus through saliva get vaccinated for the first time and not develop symptoms? Posted: 06 May 2020 03:39 PM PDT I have tried googling this question and haven't found an answer. I wasn't sure if this was the right subreddit, but figured I would ask. Thanks! submitted by /u/alaskandaisy [link] [comments]

You are subscribed to email updates from AskScience: Got Questions? Get Answers.. To stop receiving these emails, you may unsubscribe now.	Email delivery powered by Google
Google, 1600 Amphitheatre Parkway, Mountain View, CA 94043, United States

When you see oily bubbles displaying varying colors, is the oil bubble acting as a prism? If not, how are the different colors generated?

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• When you see oily bubbles displaying varying colors, is the oil bubble acting as a prism? If not, how are the different colors generated?
• AskScience AMA Series: I'm Jane McGonigal, PhD, world-renowned game researcher and inventor of SuperBetter, helping 1 mil+ people use game skills to recover from depression, anxiety, and traumatic brain injury. Ask me about how games can increase our resilience during this time of uncertainty, AMA!
• After you die, how long does it take the various cells in your body to die? What happens to your gut bacteria?
• With the recent outbreaks of COVID-19 in meat packing plants how safe is our meat supply? Can covid-19 be transmitted via contaminated meat?
• How do polarised lenses block the glare from water?
• Ask Anything Wednesday - Engineering, Mathematics, Computer Science
• When you’re swimming, and you look up underwater, why is the border of air and water shiny and mirror like? Also why is it transparent directly above you?
• How fast do disinfectants actually kill pathogens?
• Since retroviruses integrate their DNA into their host's, and they replicate by regular cell division, could a virus then increase the rate of cell division and thus cause a tumor?
• If B-Cells code antibody types in their DNA, could we build a virus that uses CRISPR to program B-Cells to generate specific antibodies without using an attenuated disease as a vaccine?
• How rigid are the angles between ions in molecules?
• How would people in the past deal with orthopedic injuries requiring surgery?
• If the air is made up of 78.09% Nitrogen, what happens to the nitrogen that we breathe in? Does our lungs do anything with it?
• Do we live in Euclidean space?
• What is limiting microbial growth at high pH?
• When did the scientific community learned that there is no (at least not macroscopic) life on Mars?
• Is it possible to create a telescope to view the surface of other planets in our solar system such as Mars?
• "Silicon nitride ... cannot be heated over 1850 °C... which is well below its melting point" (from wikipedia) - so it can't be melted at all?
• It is said that nothing can travel as fast as light, so how do radio waves, electricity, etc. travel at light speed?
• What does the number in the brackets mean when a describing the structure of glucagon like peptide 1 (7-36) or glucagon like peptide 1 (1-37) or 1-36 amide?
• How does ionization state affect radioactive decay rates?
• Why do grains of sand stick to your skin when it's wet, but not when it's dry?

When you see oily bubbles displaying varying colors, is the oil bubble acting as a prism? If not, how are the different colors generated? Posted: 05 May 2020 08:12 PM PDT submitted by /u/Joeclu [link] [comments]

AskScience AMA Series: I'm Jane McGonigal, PhD, world-renowned game researcher and inventor of SuperBetter, helping 1 mil+ people use game skills to recover from depression, anxiety, and traumatic brain injury. Ask me about how games can increase our resilience during this time of uncertainty, AMA! Posted: 06 May 2020 04:00 AM PDT Hi! I'm Jane McGonigal. I'm the Director of Game Research and Development for the Institute for the Future in Palo Alto, California. I believe game designers are on a humanitarian mission - and my #1 goal in life is to see a game developer win a Nobel Peace Prize. I've written two New York Times bestselling books: Reality is Broken: Why Games Make Us Better and How They Can Change the World and SuperBetter: The Power of Living Gamefully. I'm also a lifelong game designer (I programmed my first computer game at age 10 - thanks, BASIC!). You might know me from my TED talks on how games can make a better world and the game that can give you 10 extra years of life, which have more than 15 million views. I'm also the inventor of SuperBetter, a game that has helped more than a million players tackle real-life health challenges such as depression, anxiety, chronic pain, and traumatic brain injury. SuperBetter's effectiveness in treating depression and concussion recovery has been validated in clinical trial and randomized controlled studies. It's currently used by professional athletes, children's hospitals, substance recovery clinics and campus health centers worldwide. Since 2018, the SuperBetter app has been evaluated independently in multiple peer-reviewed scientific articles as the most effective app currently in the app store for treating depression and anxiety, and chronic pain, and for having the best evidence-based design for health behavior change. I'm giving an Innovation Talk on "Games to Prepare You for the Future" at IBM's Think 2020. Register here to watch: https://ibm.co/2LciBHn Proof: https://pbs.twimg.com/media/EW9s-74UMAAt1lO.jpg I'll be on at 1pm ET (17 UT), AMA! Username: janemcgonigal submitted by /u/AskScienceModerator [link] [comments]

After you die, how long does it take the various cells in your body to die? What happens to your gut bacteria? Posted: 05 May 2020 04:18 PM PDT submitted by /u/the_dinks [link] [comments]

With the recent outbreaks of COVID-19 in meat packing plants how safe is our meat supply? Can covid-19 be transmitted via contaminated meat? Posted: 06 May 2020 09:35 AM PDT submitted by /u/curmudge_john [link] [comments]

How do polarised lenses block the glare from water? Posted: 06 May 2020 05:59 AM PDT submitted by /u/Tarrant_Korrin [link] [comments]

Ask Anything Wednesday - Engineering, Mathematics, Computer Science Posted: 06 May 2020 08:10 AM PDT Welcome to our weekly feature, Ask Anything Wednesday - this week we are focusing on Engineering, Mathematics, Computer Science Do you have a question within these topics you weren't sure was worth submitting? Is something a bit too speculative for a typical /r/AskScience post? No question is too big or small for AAW. In this thread you can ask any science-related question! Things like: "What would happen if...", "How will the future...", "If all the rules for 'X' were different...", "Why does my...". Asking Questions: Please post your question as a top-level response to this, and our team of panellists will be here to answer and discuss your questions. The other topic areas will appear in future Ask Anything Wednesdays, so if you have other questions not covered by this weeks theme please either hold on to it until those topics come around, or go and post over in our sister subreddit /r/AskScienceDiscussion , where every day is Ask Anything Wednesday! Off-theme questions in this post will be removed to try and keep the thread a manageable size for both our readers and panellists. Answering Questions: Please only answer a posted question if you are an expert in the field. The full guidelines for posting responses in AskScience can be found here. In short, this is a moderated subreddit, and responses which do not meet our quality guidelines will be removed. Remember, peer reviewed sources are always appreciated, and anecdotes are absolutely not appropriate. In general if your answer begins with 'I think', or 'I've heard', then it's not suitable for /r/AskScience. If you would like to become a member of the AskScience panel, please refer to the information provided here. Past AskAnythingWednesday posts can be found here. Ask away! submitted by /u/AutoModerator [link] [comments]

When you’re swimming, and you look up underwater, why is the border of air and water shiny and mirror like? Also why is it transparent directly above you? Posted: 06 May 2020 07:29 AM PDT Sorry if this doesn't go with physics. submitted by /u/danzelchen_ [link] [comments]

How fast do disinfectants actually kill pathogens? Posted: 06 May 2020 04:01 AM PDT So I always imagine that when you pour/wipe Dettol or alcohol on something, the pathogens it targets are destroyed within seconds. I always get into this argument with my family, who insist that you should leave whatever it is you're cleaning to soak in the disinfectant. I mean, it's not like the cell membranes or virus proteins are waiting around, as soon as the liquid touches pathogens they should be destroyed, right? tl;dr: How fast do they kill that "99.9% of bacteria"? Is there any benefit to leaving things to soak in Dettol or other liquid? submitted by /u/ProfSwagometry [link] [comments]

Since retroviruses integrate their DNA into their host's, and they replicate by regular cell division, could a virus then increase the rate of cell division and thus cause a tumor? Posted: 06 May 2020 08:29 AM PDT Are there viruses (probably non-human) that already do that? submitted by /u/SolarFlare1222 [link] [comments]

If B-Cells code antibody types in their DNA, could we build a virus that uses CRISPR to program B-Cells to generate specific antibodies without using an attenuated disease as a vaccine? Posted: 05 May 2020 11:08 AM PDT The question is really around using something other than a disease to help someone generate antibodies. That is to say, if we could figure out the genetic sequence (call it Sequence Y) used by B-Cells (or are they stored in marrow?) to produce antibodies for Disease X, instead of figuring out how to attenuate disease X to use as a vaccine, could we instead have a universal virus as a carrier that does nothing but inserts Sequence Y into the B-Cells of a host? Would this be a more effective way of getting a population to produce antibodies for Disease X? submitted by /u/FuriousCoder74 [link] [comments]

How rigid are the angles between ions in molecules? Posted: 06 May 2020 04:55 AM PDT Water molecules, of course, have that distinctive angle between the hydrogen cations, but how fixed is that angle? Can it wiggle a bit or is it set in stone? Obviously it likes to hang out in that arrangement, but why? Is that just the closest to equilibrium it can be? Are there any molecules that 'don't really mind' where there constituents are hanging out? Or is there any sort of gradient between how fiercely ions will fight to maintain a certain arrangement? Proteins, as well, have very complex arrangements, with lots of angles and interactions. If one was to bump into something, would it physically bounce a little? Is it possible for a protein to denature due to mechanical processes? Sorry, I know its a lot of little questions, but I think they all get down to the same basic concept. submitted by /u/MistoJeck [link] [comments]

How would people in the past deal with orthopedic injuries requiring surgery? Posted: 06 May 2020 04:55 AM PDT Looking at some old Derrick Rose videos on YouTube, I thought to myself nowadays we're so privileged to be able to have our knee ligaments stitched up with relatively basic surgery. However, people have been tearing their tendons and ligaments for thousands of years. How would people deal with a torn achilles 2000 years ago? Would you just be crippled for life? Were there any methods to alleviate such injuries? submitted by /u/boyski33 [link] [comments]

If the air is made up of 78.09% Nitrogen, what happens to the nitrogen that we breathe in? Does our lungs do anything with it? Posted: 05 May 2020 04:34 PM PDT submitted by /u/skillreks [link] [comments]

Do we live in Euclidean space? Posted: 06 May 2020 06:59 AM PDT Or is the Euclidean space just a very good „approximation" of our space? And if the answer is yes, how do we know? Which property's about the space we live in do we know? Do we know the metric? I'm a math student so just something I thought about. Thanks for (if) replying! submitted by /u/27182818284tropy [link] [comments]

What is limiting microbial growth at high pH? Posted: 06 May 2020 05:24 AM PDT Hello , I was looking into the overall limits of microbial growths. I can find a lot about how alkaliphiles cope with a high pH, but I did not find a definite answer to what biological component will be the limiting factor. I am especially interested in why the proton gradient upkeep will fail with increasing pH. I found some sources about Na-ATPases, that don´t use H+ that would just react with extracellular OH- forming water. But this is a work around. Is it the intracellular pH, that can only be buffered to a certain level until the protein synthesis fails? Thank you for your answers submitted by /u/Bonjur1 [link] [comments]

When did the scientific community learned that there is no (at least not macroscopic) life on Mars? Posted: 06 May 2020 05:04 AM PDT I wonder if there was a time when the scientific comunity considered the possibility of the existence of macroscopic life on Mars, such as Martian plants and animals (or equivalent). When did we learn that this is not the case? submitted by /u/MadameBanaan [link] [comments]

Is it possible to create a telescope to view the surface of other planets in our solar system such as Mars? Posted: 06 May 2020 04:47 AM PDT Basically what the title says, I'm thinking at a level such as Google street view? Is it possible to create such a telescope? If so, what is stopping us? If not, why? submitted by /u/JohtoBorn [link] [comments]

"Silicon nitride ... cannot be heated over 1850 °C... which is well below its melting point" (from wikipedia) - so it can't be melted at all? Posted: 06 May 2020 12:31 AM PDT https://en.wikipedia.org/wiki/Silicon_nitride So, if this is true, does this mean if it was dropped into a star (for example) or otherwise exposed to extreme heat, would it remain a solid even there? (excepting things like effect of pressure). submitted by /u/CMDR_Agony_Aunt [link] [comments]

It is said that nothing can travel as fast as light, so how do radio waves, electricity, etc. travel at light speed? Posted: 06 May 2020 03:16 AM PDT submitted by /u/akhil_42069 [link] [comments]

What does the number in the brackets mean when a describing the structure of glucagon like peptide 1 (7-36) or glucagon like peptide 1 (1-37) or 1-36 amide? Posted: 06 May 2020 12:32 AM PDT Do these numbers note at which carbon atoms the amides are attached? Thank you for your help. submitted by /u/purple_nightowl [link] [comments]

How does ionization state affect radioactive decay rates? Posted: 05 May 2020 05:54 PM PDT I was taking a stroll through Wikipedia and came across this: Technetium is a chemical element with the symbol Tc and atomic number 43. It is the lightest element whose isotopes are all radioactive; none are stable other than the fully ionized state of 97Tc. ...So there is one isotope of Technetium that is or is not stable depending on its ionization state. Is it normal for ionization state to affect the half life of radioactive isotopes? How does it work? And is that useful information or just a curious little detail? submitted by /u/Rhamni [link] [comments]

Why do grains of sand stick to your skin when it's wet, but not when it's dry? Posted: 05 May 2020 03:00 PM PDT submitted by /u/kitkat_narwhal [link] [comments]

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Conflicting CDC statistics on US Covid-19 deaths. Which is correct?

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• Conflicting CDC statistics on US Covid-19 deaths. Which is correct?
• How did the dinosaur destroying asteroid affect the aquatic life at that time?
• Why does the oxygen absorber that comes with the frozen pizza get really hot after I remove it from the package?
• Where exactly is the US Treasury borrowing $ 2.99 Trillion from?
• If two black holes approached each other along the same axis (no mutual rotation), would the collision create gravitational waves?
• New method for recycling nuclear fuel discovered - How does crystallizing spent nuclear fuel change its utility?
• Do antibodies created from fighting off a virus have a purpose in the body during times not fighting off the virus?
• Why HIV only transmit through body fluid?
• Black hole question - What is a naked singularity?
• How can the product of a chemical reaction be predicted?
• If water is constantly evaporated, filtered and precipitated, not leaving our atmosphere, how are we running out of fresh water?
• Are there weather events that are endemic to an area on Earth, and so occur nowhere else?
• Do certain weather patterns occur more on certain days of the week? If so, why?

Conflicting CDC statistics on US Covid-19 deaths. Which is correct? Posted: 04 May 2020 09:12 AM PDT Hello, There's been some conflicting information thrown around by covid protesters, in particular that the US death count presently sits at 37k . The reference supporting this claim is https://www.cdc.gov/nchs/nvss/vsrr/covid19/index.htm , which does list ~35k deaths. Another reference, also from the CDC lists ~65k https://www.cdc.gov/coronavirus/2019-ncov/cases-updates/cases-in-us.html . Which is correct? What am I missing or misinterpreting? Thank you submitted by /u/sassytuna2 [link] [comments]

How did the dinosaur destroying asteroid affect the aquatic life at that time? Posted: 04 May 2020 10:15 AM PDT By what extent was the aquatic life (or aquatic life at the surface) affected by the impact of that asteroid 65 million years ago? I personally don't see it inflicting as much damage in comparison to what happened to the terrestrial life. Not only that, but is it possible to speculate whether the aquatic species that currently exist in the deep, undiscovered part of the ocean are the same as those which used to exist millions of years ago? submitted by /u/iadorechickens [link] [comments]

Why does the oxygen absorber that comes with the frozen pizza get really hot after I remove it from the package? Posted: 05 May 2020 01:47 AM PDT To clarify; I open the pizza bag, remove the pizza, and take the absorber off the cardboard bottom of the pizza. I set it down and a few minutes later it's hot to the touch. Happens every time. Thank you for sharing your wisdom! 😊 usually they look like this submitted by /u/Dat1grl [link] [comments]

Where exactly is the US Treasury borrowing $ 2.99 Trillion from? Posted: 04 May 2020 07:58 PM PDT There was today's announcement of them borrowing this new amount. Was curious as I was reading recently that China holds $ 1.09 Trillion in debt from the US Treasury. Edit: Added link to today's news source submitted by /u/eduncan911 [link] [comments]

If two black holes approached each other along the same axis (no mutual rotation), would the collision create gravitational waves? Posted: 04 May 2020 05:31 PM PDT From visualizations of gravitational wave generation, it seems like most g-waves are given off as the black holes/neutron stars rotate around each other and slowly approach each other. If they collided in a head-on collision, would the collision still generate gravitational waves? submitted by /u/wchicag084 [link] [comments]

New method for recycling nuclear fuel discovered - How does crystallizing spent nuclear fuel change its utility? Posted: 05 May 2020 03:49 AM PDT I read an article in phys.org about crystallizing spent nuclear fuel using nitric acid, and that doing so introduced a single step solution to nuclear fuel recycling. How does crystallizing spent nuclear fuel make reuse or refinement of the uranium easier? The article points out that the build-up of heavy waste elements is one of the factors of nuclear fuel depreciation. Since the process still captures plutonium, americium, and neptunium in the lattice, how does this process make nuclear fuel recycling easier? submitted by /u/kamandi [link] [comments]

Do antibodies created from fighting off a virus have a purpose in the body during times not fighting off the virus? Posted: 04 May 2020 03:49 PM PDT Not up on how antibodies really work. Do they sit dormant in the body just waiting to be needed? Or do they serve another purpose? Thanks submitted by /u/ImtheMe [link] [comments]

Why HIV only transmit through body fluid? Posted: 05 May 2020 02:05 AM PDT submitted by /u/ZenSanchez119 [link] [comments]

Black hole question - What is a naked singularity? Posted: 04 May 2020 12:35 PM PDT What is a naked singularity? I've heard it's something like a black hole that's evaporated completely from Hawking radiation, this is obviously trillions of years in the future, but where the only thing left is the singularity in the middle.? Is this right? And can you explain a little more? submitted by /u/brodothegreat [link] [comments]

How can the product of a chemical reaction be predicted? Posted: 04 May 2020 07:19 PM PDT submitted by /u/xjhulxitoch [link] [comments]

If water is constantly evaporated, filtered and precipitated, not leaving our atmosphere, how are we running out of fresh water? Posted: 04 May 2020 06:55 PM PDT submitted by /u/skepticallincoln [link] [comments]

Are there weather events that are endemic to an area on Earth, and so occur nowhere else? Posted: 04 May 2020 01:18 PM PDT So, are there places on earth that are so unique due to their geography and surrounds that certain weather events only occur there, and nowhere else on the planet? submitted by /u/microfibrepiggy [link] [comments]

Do certain weather patterns occur more on certain days of the week? If so, why? Posted: 04 May 2020 12:46 PM PDT submitted by /u/pghpresbyterian [link] [comments]

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