What is the science behind Fomite transmission and Covid-19?

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• What is the science behind Fomite transmission and Covid-19?
• What purpose does inflammation serve in immune response
• Have their been any vaccines that were and still are safe for adults but not for children?
• Isolation period of delta variant?
• How do we know what the inside of the earth looks like?
• Do animals that only breed once a year (ducks in spring for example) only ovulate once a year or only get horny once a year?
• What fills the space between our internal organs - and do surgeons need to vacuum out the air after opening us up?
• Why certain minerals occur in certain soils and why they don't in certain soil?
• Are wildfires actually getting worse globally?
• If electrons moving through matter makes electricity, what happens when protons move through matter? Can they even move through matter?
• How exactly is the delta variant of Covid-19 “more transmissible/contagious” than regular Covid-19?
• Can we create artificial antibodies?
• Is the spike protein in COVID-19 the same in all variants?
• How do we know that seemingly random things such as the decay of an atom is truely random?
• Does the earth’s surface temperature have an effect on the likelihood of earthquakes?
• Why exactly does a still scene fade out when our eyes can't do thier saccadic movements?
• Can you recieve a vaccine within a tattoo?
• Considering there are millions of microscopic, sensitive veins and arteries in my body, does it mean that every time I move, exercise or just by staying alive, small veins continuously burst, heal and create new pathways?
• Is there any motor equivalent of visual imagery in conscious thought processes?

What is the science behind Fomite transmission and Covid-19? Posted: 15 Aug 2021 05:04 AM PDT My husband is still incredibly concerned of the likelihood of getting Covid via fomite transmission - we still remove all our grocieries from packages and place them in reusable containers, freezer bags, etc. Almost no outside packages are allowed inside the home unless completely sanitized, etc. I am looking for the science behind fomite transmission and covid-19 - how likely is it to catch covid via fomite transmission, how viable is the virus, etc? Thank you. submitted by /u/marshmallowcritter [link] [comments]

What purpose does inflammation serve in immune response Posted: 15 Aug 2021 01:53 AM PDT submitted by /u/Infinite-Bake9571 [link] [comments]

Have their been any vaccines that were and still are safe for adults but not for children? Posted: 14 Aug 2021 02:34 PM PDT With the current wait for the covid vaccines to get approved for children, has there ever been a vaccine that was and still is approved for adults but not for children? Or even where the adult dosage would be dangerous if given to children? submitted by /u/kiklion [link] [comments]

Isolation period of delta variant? Posted: 15 Aug 2021 02:22 AM PDT The delta variant produces 1000 times more viral load than the other variations. Would this mean that the suggested isolation period of 10 days be extented? Or if not, why? submitted by /u/travis1bickle [link] [comments]

How do we know what the inside of the earth looks like? Posted: 14 Aug 2021 03:43 PM PDT We never dug deeper than the crust, so how do scientists know the layers of the earth and how big they are? submitted by /u/noyza2132 [link] [comments]

Do animals that only breed once a year (ducks in spring for example) only ovulate once a year or only get horny once a year? Posted: 14 Aug 2021 09:26 AM PDT submitted by /u/tincantincan23 [link] [comments]

What fills the space between our internal organs - and do surgeons need to vacuum out the air after opening us up? Posted: 14 Aug 2021 09:54 AM PDT In all the pictures I've seen it looks like our guts are packed pretty tightly, organs filling the volume very efficiently. They always look wet, though; what is that stuff? How does it get recycled? And after a surgeon has had to open you up, do they have to try not to close up any bubbles of air in there? submitted by /u/slartibartfist [link] [comments]

Why certain minerals occur in certain soils and why they don't in certain soil? Posted: 15 Aug 2021 02:40 AM PDT For example alluvial soils are rich in potash but poor in phosphorus. Black cotton soils have are rich in iron but lack phosphorus, nitrogen etc. Is there any detailed material which provides the reason why these soils have such and such mineral? submitted by /u/lundfakeer69 [link] [comments]

Are wildfires actually getting worse globally? Posted: 14 Aug 2021 09:21 AM PDT It certainly seems that on the news, there have been reports of unusually fierce wildfires in many places in the past couple years, such as Australia last year, Turkey, Greece, Russia and the western United States. I know authorities in California have stated that this year's fire season has been one of the worst on record. President Putin has been on record as saying the wildfires this year in Russia are "unprecedented". Is there any academic consensus on whether wildfires are actually getting worse statistically? Are these anomalies, or just skewed news reporting? I've seen data that certain indicators, such as the total number of acres burned and number of fires in California, do not show any significant trend since 2000. But I have no idea if these are the correct metrics to use, or how that compares to the situation globally. submitted by /u/cyprus1962 [link] [comments]

If electrons moving through matter makes electricity, what happens when protons move through matter? Can they even move through matter? Posted: 14 Aug 2021 12:41 PM PDT submitted by /u/Broken_Obsidian [link] [comments]

How exactly is the delta variant of Covid-19 “more transmissible/contagious” than regular Covid-19? Posted: 14 Aug 2021 02:09 PM PDT submitted by /u/gundum285 [link] [comments]

Can we create artificial antibodies? Posted: 14 Aug 2021 09:49 AM PDT Antibodies were described to me as being like enzymes. We've had a lot of luck modifying restriction endonucleases to "cut" DNA and RNA sequences at specific points. Have we been able to engineer recognition sequences to "cut" proteins and not just DNA and RNA? Disclaimer: I ask a lot of stupid questions. Edit: 1. I think restriction endonucleases are modified bacterial defense mechanisms acting like their version of antibodies. Restriction enzyme - Wikipedia What I was referring to is, from what I can tell, when a restriction endonuclease is produced the DNA or RNA codes for a protein to be synthesized. Then, a guide RNA, or maybe DNA sometimes?, then binds to it or combines with it somehow telling the protein to cut it. I was asking if we have been able to create a protein sequence that does the same thing as the part of the guide RNA/DNA that binds to the protein. Then I didn't know if we could add to that piece of protein a conserved sequence of a protein that we want to render useless. submitted by /u/Justeserm [link] [comments]

Is the spike protein in COVID-19 the same in all variants? Posted: 14 Aug 2021 08:43 PM PDT submitted by /u/XanTiikz [link] [comments]

How do we know that seemingly random things such as the decay of an atom is truely random? Posted: 14 Aug 2021 06:25 AM PDT How can we be 100% sure that things like the decay of an atom or quantum randomness is actually random and not just a very complex formula? E.g things such as atmospheric pressure which is used to generate some pseudorandom numbers seems random but isn't, could it not be the same with the decay of an atom? submitted by /u/MJGZXP [link] [comments]

Does the earth’s surface temperature have an effect on the likelihood of earthquakes? Posted: 14 Aug 2021 06:57 PM PDT Like adding a gap in a bridge to accommodate for heat expansion, if the earth continues to warm, will we see an increased likelihood of fissure activity? Or is the temperature rise negligible over something as large as a tectonic plate? submitted by /u/philthyfork [link] [comments]

Why exactly does a still scene fade out when our eyes can't do thier saccadic movements? Posted: 14 Aug 2021 08:22 AM PDT There's this old trick, you cover one eye and gently use two fingers to hold your other eyeball in place as you look at a stationary scene. Eventually the scene will fade into nothingness. I know that the reason this happens is because your eyes can't do thier saccadic movements. The image returns if you shake your head for example. Saccades update your vision, make sure the part of the visual scene you're not focusing on isn't changing. But I don't get how this would lead to the entire scene fading out. Why don't you retain at least a small cone of vision where your retina is pointing? submitted by /u/Inquisitivemonke [link] [comments]

Can you recieve a vaccine within a tattoo? Posted: 14 Aug 2021 09:23 PM PDT submitted by /u/deliveryduck [link] [comments]

Considering there are millions of microscopic, sensitive veins and arteries in my body, does it mean that every time I move, exercise or just by staying alive, small veins continuously burst, heal and create new pathways? Posted: 14 Aug 2021 10:04 AM PDT Am I having natural microscopic internal breedings as I'm writing this right now? Am I having extremely small ministrokes every day and Im not even noticing it because it's normal? submitted by /u/Shadow_the_ban_91 [link] [comments]

Is there any motor equivalent of visual imagery in conscious thought processes? Posted: 14 Aug 2021 09:08 AM PDT When professional dancers consciously remember and mull over a long and elaborate movement sequence they recently performed, are their representations some sort of recollection of (some stage of) the real motor sketch or just the product of propioceptive and perhaps also visual feedback (if they were seeing themselves in a mirror)? We know from phenomena such as corollary discharge that there is some feedback from motor to sensory processes, otherwise saccades would make it impossible to compute perceptual constancy. But typically this feedback concerns automatic movements and reflexes. What I am interested in is the amodal representations of our voluntary motor plans. Are these ever conscious? Do they ever have an impact on higher thought processes? If the answer is no, does anyone have an inkling as to why? Simply saying "perception and action are different" sounds dogmatic to me. submitted by /u/Parking_Committee_95 [link] [comments]

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If an air bubble is accidentally left in a syringe for a vaccine or any other medicine can it kill me? Or is it rare?

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• If an air bubble is accidentally left in a syringe for a vaccine or any other medicine can it kill me? Or is it rare?
• Why does the Pfizer-BioNTech or Moderna vaccine require two separate doses instead of one combined dose?
• What do antibodies look like in our blood?
• We all know what optical and auditory illusions are, but what are some good olfactory illusions? Or taste illusions, whatever you would call them.
• How are earthquakes and droughts related?
• Question for microbiologists. Is Naegleria in Washington rivers or is it only in the south?
• How does the immune system fight off prions?
• Is it possible for head injuries to affect the hair follicles in any way? If yes, does it affect hair growth?
• Why is there an upper limit to solubility? Why does a substance become saturated?
• How many known sounds are there in all the world’s languages combined?
• What makes it so that a new COVID-19 mutation is able to 'get around' our vaccinations?
• Can you use other gasses to "carbonate" water?
• Are the Earth's tectonic plates deforming?
• Which country in the world has lowest pharmaceutical drug use?
• Is there a maximum for batterie capacity?
• Would an atomic bomb produce two mushroom clouds in opposite directions if the bomb was released in the sky?
• With a car traveling at speed, and the centrifugal force acting on the tires - would the pressure inside the tire be any less than a car at rest?

If an air bubble is accidentally left in a syringe for a vaccine or any other medicine can it kill me? Or is it rare? Posted: 14 Aug 2021 05:00 AM PDT EDIT : I have been supplied with answers so thank you people who commented and goodbye submitted by /u/stapidisstapid [link] [comments]

Why does the Pfizer-BioNTech or Moderna vaccine require two separate doses instead of one combined dose? Posted: 14 Aug 2021 07:06 AM PDT Also why do they need to be taken weeks apart and not in the same day? submitted by /u/JacksonMcGlothlin [link] [comments]

What do antibodies look like in our blood? Posted: 13 Aug 2021 03:21 PM PDT If you could see them when you prick your finger, what would they look like? submitted by /u/grasshoppereartquake [link] [comments]

We all know what optical and auditory illusions are, but what are some good olfactory illusions? Or taste illusions, whatever you would call them. Posted: 13 Aug 2021 10:13 PM PDT submitted by /u/Elongated-Emu [link] [comments]

How are earthquakes and droughts related? Posted: 14 Aug 2021 03:46 AM PDT I was reading a story about droughts preceding earthquakes and I am very interested! Have you heard of this? submitted by /u/PennJerseyDevil [link] [comments]

Question for microbiologists. Is Naegleria in Washington rivers or is it only in the south? Posted: 13 Aug 2021 06:08 PM PDT submitted by /u/SnooBananas4797 [link] [comments]

How does the immune system fight off prions? Posted: 14 Aug 2021 01:50 AM PDT I don't know much about the immune system or prions, but I have heard prions aren't bacteria or a virus and that many of them don't have any known cure or any way to defend against them. What makes them so much different and why does our bodies have such a difficult time dealing with them? submitted by /u/Sol33t303 [link] [comments]

Is it possible for head injuries to affect the hair follicles in any way? If yes, does it affect hair growth? Posted: 14 Aug 2021 05:24 AM PDT submitted by /u/devikrishhna [link] [comments]

Why is there an upper limit to solubility? Why does a substance become saturated? Posted: 13 Aug 2021 12:33 PM PDT Take water and nitrogen or sugar and water as examples. Why can't I dissolve any amount of water I want into the air or any amount of sugar I want into a cup of water? What physically stops me? Is it simply a matter of the solvent keeping the solute suspended like dust in a stream? My perspective is from Physics so I've been trying to wrap my head around the thermodynamics of the situation but the enthalpy angle doesn't seem to help me get a instinctual understanding of what's occurring... submitted by /u/rexregisanimi [link] [comments]

How many known sounds are there in all the world’s languages combined? Posted: 13 Aug 2021 01:46 PM PDT Pretty much the title. There seem to be so many possible sound combinations, but there must be a limited number of known sounds. If they have been tallied, how many do they total? submitted by /u/stepstepglide [link] [comments]

What makes it so that a new COVID-19 mutation is able to 'get around' our vaccinations? Posted: 13 Aug 2021 10:49 AM PDT I apologize for the frequently asked question. I'm sure everyone wants to know. submitted by /u/LinguisticsTurtle [link] [comments]

Can you use other gasses to "carbonate" water? Posted: 13 Aug 2021 12:15 PM PDT submitted by /u/OX_Bigly [link] [comments]

Are the Earth's tectonic plates deforming? Posted: 13 Aug 2021 12:36 PM PDT I've looked in the FAQ and read the Rift Formation entry and the Plate Motion entry, but I still don't understand something I saw on Wikipedia (I know, I know, not a primary source, but that's why I'm coming here for clarity!) ​ This image shows a simplified view of the major plates and their motions relative to each other: ​ I've noticed several of the plates are not moving "uniformly" in one direction. Take the African Plate, for example. The western side is pulling away from the South American plate (in an easterly direction, roughly) but the south-eastern side is pulling away from the Australian plate (in a north-westerly direction). The northern side is pulling away from the Middle Eastern plate (in a roughly southern direction). ​ This would suggest to me that the African plate is deforming by collapsing in on itself. Either it must be "getting thicker", or material is being pushed further into the Earth, or possibly the 2D "shape" is changing. Are any of these assumptions true? It seems this is occurring to several of the plates in this image. submitted by /u/dante662 [link] [comments]

Which country in the world has lowest pharmaceutical drug use? Posted: 13 Aug 2021 09:39 PM PDT Meaning, of the countries with the infrastructure to synthesize and distribute pharmaceutical drugs, which one has the lowest rate of use? Somewhere like Somalia may be the actual answer, but I'm not counting this because they simply lack the means to do so. I'm interesting in tracking different metrics of health and this is currently what I'm after. Any help is much appreciated, thanks! submitted by /u/cortexualized [link] [comments]

Is there a maximum for batterie capacity? Posted: 13 Aug 2021 10:05 AM PDT Is there a theoretical maximum of what a future batterie could have in terms of energy density? Or will there be cars in the future that can drive thousands of kilometers on charge? submitted by /u/LakoR6 [link] [comments]

Would an atomic bomb produce two mushroom clouds in opposite directions if the bomb was released in the sky? Posted: 13 Aug 2021 12:09 AM PDT submitted by /u/-Silky_Johnson [link] [comments]

With a car traveling at speed, and the centrifugal force acting on the tires - would the pressure inside the tire be any less than a car at rest? Posted: 13 Aug 2021 04:19 AM PDT submitted by /u/ComputersWantMeDead [link] [comments]

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Do other monogamous animals ever "fall out of love" and separate like humans do?

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• Do other monogamous animals ever "fall out of love" and separate like humans do?
• I've looked everywhere and I can't find an answer. Can the shamwow absorb mercury?
• AskScience AMA Series: I'm Dr. Rebecca Schwarzlose, a neuroscientist who studies brain organization and development, here to discuss the maps in your brain that give you perception, movement, meaning, and mental imagery - and make it possible for new technologies to decode your thoughts. AMA!
• Will a organ that was donated from a younger person to an older person help minimize the aging process? Also, will the organ age faster due to the already aged organs around it?
• Will Strontium bone dating be a viable option for archaeologists in the future who study people after the industrial revolution?
• Do sloths think slower, too?
• What would the sounds that are shadowed in the IPA chart sound like?
• In barren parts of the ocean, would adding a “jungle gym” like network of beams help introduce life in that area?
• How long does it take a COVID-infected cell to release new virons into the host body?
• Why would Ptolemy have to assume that moon follows a path that sometimes brings it twice as close to earth to predict the positions correctly?
• Should current rapid COVID tests be accurate for delta variant?
• How do quantum logic gates actually work?
• How far back do modern human brains go?

Do other monogamous animals ever "fall out of love" and separate like humans do? Posted: 12 Aug 2021 06:02 PM PDT submitted by /u/nicmos [link] [comments]

I've looked everywhere and I can't find an answer. Can the shamwow absorb mercury? Posted: 13 Aug 2021 03:19 AM PDT submitted by /u/s4r9i5 [link] [comments]

AskScience AMA Series: I'm Dr. Rebecca Schwarzlose, a neuroscientist who studies brain organization and development, here to discuss the maps in your brain that give you perception, movement, meaning, and mental imagery - and make it possible for new technologies to decode your thoughts. AMA! Posted: 13 Aug 2021 04:00 AM PDT Hi Reddit! I'm Rebecca Schwarzlose, a cognitive neuroscientist here to talk with you about brain maps and how our little brains create the spectacular range of senses and abilities we enjoy. Did you know that when you imagine a face, you are using the same brain maps that allow you to see and visually recognize faces? Did you know that imagining being touched activates the same brain maps that allow you to feel actual touch? Did you know technologies already exist to eavesdrop on activity in these maps and decode information about what you are perceiving, planning, or imagining? Here's some info about me: I have a Ph.D. in Neuroscience from MIT and study the developing brain as a postdoctoral scholar in the psychiatry department at Washington University in St. Louis. Together with colleagues Nancy Kanwisher and Chris Baker, I discovered and named a new brain area: the fusiform body area. I have been the chief editor of Trends in Cognitive Sciences, a scholarly reviews journal. I have also written a book about brain maps for the public called Brainscapes: The Warped, Wondrous Maps Written in Your Brain - And How They Guide You (Mariner Books, 2021). The book was supported by a grant from the Alfred P. Sloan Foundation Program for Public Understanding of Science and Technology. You can find out more about the book from The New York Times, Publishers Weekly, the Avid Reader Podcast, the Smart People Podcast, and my author site. For more brain facts, check out my personal blog Garden of the Mind, my blog Brainscapes on Psychology Today, my Book Bite, or find me on Twitter @gothemind. I am excited for your brain questions! See you at 2 PM ET (18 UTC), ask me anything! Username: /u/Gardenofmind submitted by /u/AskScienceModerator [link] [comments]

Will a organ that was donated from a younger person to an older person help minimize the aging process? Also, will the organ age faster due to the already aged organs around it? Posted: 13 Aug 2021 08:09 AM PDT submitted by /u/CUUM-SLAYER [link] [comments]

Will Strontium bone dating be a viable option for archaeologists in the future who study people after the industrial revolution? Posted: 13 Aug 2021 08:24 AM PDT Watching a documentary on Stonehenge, they dated someone's bones with Strontium-90. The main thing as a requirement being that the food the person ate, grown in that area, was the main help dating. As the industrial revolution started, and especially in modern times, food people eat regularly comes from thousands of miles away. Will this affect how useful strontium dating is? submitted by /u/ohwhyhello [link] [comments]

Do sloths think slower, too? Posted: 12 Aug 2021 12:58 PM PDT Obviously, sloths move quite slow compared to most other animals. I've heard that some of a sloth's bodily systems also work slower. Specifically, I've heard several times that a sloth can starve to death with food in its stomach because its digestive process is so slow, it can't get the nutrients, etc. out before it dies. But do sloths' cognitive processes move slower, too? I just watched a gif of a sloth interacting with a dog, and the sloth seemed to be trying to get a good look at it. Does it take longer for the sloth to process the information it is taking in? submitted by /u/ThatIsNotYourChild [link] [comments]

What would the sounds that are shadowed in the IPA chart sound like? Posted: 12 Aug 2021 04:48 PM PDT I understand that we as humans are incapable of creating such noises through our mouths but what about from a computer simulation, would that be possible and if so, what would it sound like? submitted by /u/HarambeDiedBecauseH- [link] [comments]

In barren parts of the ocean, would adding a “jungle gym” like network of beams help introduce life in that area? Posted: 12 Aug 2021 07:47 PM PDT Imagine a bunch of boxes interlocked together made of beams (I'm going to say metal beams but there's other options for the material) that sat on the ocean floor. The beam box could be however wide and tall, and maybe if some substrate was added, coral could grow like in coral farms or whatever the coral reintroduction thing is. Would this structure ultimately grow coral or lots of algae and kelp of sorts, and bring life in that area? And is bringing life to barren areas of the ocean floor even beneficial? Thanks and sorry for rambling. Edit: what about a big boat unloading boulders? I'm so curious what the barren flat sea floor would look like if it was lined with boulders. Just algae, or would there be fish everywhere? submitted by /u/barracuda_leviathan [link] [comments]

How long does it take a COVID-infected cell to release new virons into the host body? Posted: 12 Aug 2021 07:43 PM PDT Hello, I'm having trouble finding information regarding COVID's activity within a single human host. Here are my questions: 1.) How long does it usually take a COVID-infected cell to release new COVID virons into the host's body? 2.) How many individual COVID virons are usually released from a single infected cell? 3.) What percentage of infected cells reach the stage of releasing new virons (i.e. not killed by apoptosis)? 4.) What percentage of the new virons end up infecting new host cells? submitted by /u/primal_utility [link] [comments]

Why would Ptolemy have to assume that moon follows a path that sometimes brings it twice as close to earth to predict the positions correctly? Posted: 12 Aug 2021 09:17 AM PDT From the book "The Theory of Everything" by Stephen Hawking: Ptolemy's model provided a reasonably accurate system for predicting the positions of heavenly bodies in the sky. But in order to predict these positions correctly, Ptolemy had to make an assumption that the moon followed a path that sometimes brought it twice as close to the Earth as at other times. And that meant that the moon had sometimes to appear twice as big as it usually does. submitted by /u/DaringDick [link] [comments]

Should current rapid COVID tests be accurate for delta variant? Posted: 12 Aug 2021 10:27 AM PDT submitted by /u/pistonian [link] [comments]

How do quantum logic gates actually work? Posted: 12 Aug 2021 02:01 AM PDT Like how do you actually physically alter the phase and magnitude of a superposition? I know it is done using matrix multiplication but how the fuck do you multiply a photon?? submitted by /u/Monkleman [link] [comments]

How far back do modern human brains go? Posted: 12 Aug 2021 12:01 AM PDT So, say you had a time machine and your plan was to go back and kidnap a newborn homo sapien and then bring that child to the present and raise it like any other human today. How far back could you go and still have the basic biological brain capabilities of any modern day person? Like the ability to learn complex languages, master basic educational concepts and successfully study advanced topics. submitted by /u/hurricane14 [link] [comments]

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Does the Delta Variants higher viral load have an effect on the accuracy of quick swab antigen testing?

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• Does the Delta Variants higher viral load have an effect on the accuracy of quick swab antigen testing?
• AskScience AMA Series: I am Dr. Claire McLintock, a clinical and laboratory hematologist specializing in obstetric medicine. I currently serve as Vice Chair of World Thrombosis Day and and I am passionate about all areas of women's health, from pregnancy to hormone replacement therapy. AMA!
• What is gravitational potential always negative except when it is 0 at infinity?
• Do rockets have to account for the gravitational pull of the Sun?
• Is there a temperature where nuclei themselves decompose?
• How does waste water testing identify specific viruses based on protein fragments, especially after hours or days of degradation?
• How much of the population is affected by herpes?
• What was the region of the brain that allows us to read used for in cultures without a written language?
• In evolutionary theory, how do we distinguish adaptation within a species from evolving/diverting into new species?
• With popular meteor showers diminishing in intensity: Are new sources created - and how often?
• Is it possible for sighted people to learn to read Braille visually, not by touch? Like visually reading the symbols?
• Is the recent decline in UK COVID deaths due to a lowered population of vulnerable people?
• Can the COVID virus affect animals?
• Why do numbers have special properties instead of just repeating the same properties after a certain point?
• When someone suffers from Acute Radiation Sickness they go through a "latent" stage where they feel well and healthy, despite potentiay lethal physiological damage. How is this?
• How effective are masks against the Delta variant specifically?
• How are pseudoviruses manufactured, and how did we discover that technique?
• Why is it some people even after recovering from covid-19 have symptoms like fever even after a week or so?
• Why do we presribe prednisone instead of prednisolone?

Does the Delta Variants higher viral load have an effect on the accuracy of quick swab antigen testing? Posted: 11 Aug 2021 05:09 PM PDT submitted by /u/BucketsofDickFat [link] [comments]

AskScience AMA Series: I am Dr. Claire McLintock, a clinical and laboratory hematologist specializing in obstetric medicine. I currently serve as Vice Chair of World Thrombosis Day and and I am passionate about all areas of women's health, from pregnancy to hormone replacement therapy. AMA! Posted: 12 Aug 2021 04:00 AM PDT I am Claire McLintock, M.D., a clinical and laboratory hematologist based in Auckland, New Zealand. I work at National Women's Health, Auckland City Hospital in New Zealand and my clinical and research areas of interest are thrombotic and hemostatic disorders in women. I formerly served as President of the ISTH and led a working group of the ISTH that is developing an international core curriculum in clinical thrombosis and hemostasis. I am also a Founding Member and Vice Chair of the World Thrombosis Day Steering Committee. Join me on Twitter @DoctorMcLintock. I'll be on at 3:00 p.m. EDT (19 UT), AMA! Username: /u/WorldThrombosisDay submitted by /u/AskScienceModerator [link] [comments]

What is gravitational potential always negative except when it is 0 at infinity? Posted: 11 Aug 2021 08:18 AM PDT So I understand that gravitational potential at infinity is 0 because the intensity of a gravitational field is 0 at infinity. What I do not understand is why does the gravitational potential not increase when an object approaches the source mass. The gravitational potential energy increases but the gravitational potential decreases. So, I think what my question really is about how gravitational potential is defined. ( i know the book definition,But I don't understand how ....it works exactly) Edit: so as far as I understand now, it is that using 0 potential for infinite distance from the source mass is just a matter of convention as gravitational potential at any point is in reference to the gravitational potential at another point( its comparative) and hence it can be negative. If I am still not right, please help me improve my understanding Edit 2: I think I have understood this concept as well as I could hope to. I'm just going to write what I understood and people can point out any mistakes I made, if they want to. (GPE=Gravitational Potential Energy , r=distance from earth) If we lift an object from the earth, it's GPE increases in magnitude compared to when the object was touching the ground. If we continue to lift it, it's GPE continues to increase until r=infinity. At r=infinity, the influence of the gravitational field of the earth can no longer be felt. Therefore, When r=infinity, GPE is theoretically at its maximum. This maximum can be denoted by a positive infinity but it is better to denote this maximum with a solid value like 0. Therefore, at all distances less than infinity, GPE is less than 0 or negative. I think this is as good as my understanding of this concept will be at the level I am currently studying(I am a highschool senior). Thankyou r/askscience for helping me.🤗 submitted by /u/The-eff [link] [comments]

Do rockets have to account for the gravitational pull of the Sun? Posted: 12 Aug 2021 05:12 AM PDT submitted by /u/ScarletNovaWasTaken [link] [comments]

Is there a temperature where nuclei themselves decompose? Posted: 12 Aug 2021 06:33 AM PDT All chemical compounds have a temperature where they eventually break down their chemical bonds and separate into their constituent atoms or ions. Is there some absurdly high temperature where nuclei decompose into their constituent protons and neutrons? Beyond that, is there a temperature where those themselves decompose into their constituent quarks? submitted by /u/Alephbetae [link] [comments]

How does waste water testing identify specific viruses based on protein fragments, especially after hours or days of degradation? Posted: 12 Aug 2021 03:20 AM PDT I'm having a very hard time establishing exactly what technology is used for waste water testing for viral fragments, most fact sheets just say things like The samples are analysed for viral fragments Which while perfectly fine as a public service announcement, leaves me craving a jucier explanation. What tests are actually performed and how accurate are they? Is the same technology used elsewhere or for other reasons? (eg: could it detect proteins that could, for example, indicate areas with relatively good or poor nutrition?) submitted by /u/Xenton [link] [comments]

How much of the population is affected by herpes? Posted: 11 Aug 2021 02:27 PM PDT (Disclaimer: I don't know if this is the write subreddit for this question, but it felt the most appropriate. If there is somewhere else I can post this feel free to let me know.) So my question is quite clear, but I have had trouble finding a definite answer. I was doing a bit of digging into the subject of STI's and how they are able to be transmitted and the likelihood of someone having it. Most of them were clear cut except herpes. Herpes, regardless of where I looked, had a different statistic. WHO (world health organizations) states that in one article about 14% of the world has herpes, yet in another says that 7 billion people have herpes. The CDC (Center for Disease Control and prevention) states that only half the world has herpes. I would like to know if these statistics are true or not as it seems weird to me that if any of them are true that no one would see this as a pandemic. ( I am also lumping all forms of herpes together, seeing as if it truly is this bad we should look at it like we view cancer.) submitted by /u/Smerf_Jr [link] [comments]

What was the region of the brain that allows us to read used for in cultures without a written language? Posted: 11 Aug 2021 03:54 PM PDT And for that matter, how do we already have an entire brain region dedicated to the use of a specific tool that's still a recent innovation, evolutionarily speaking? submitted by /u/sin-and-love [link] [comments]

In evolutionary theory, how do we distinguish adaptation within a species from evolving/diverting into new species? Posted: 11 Aug 2021 04:09 PM PDT Let me make this clear: I'm not a creationist in a way, shape or form, and actually a huge fan of Darwin's and Dawkin's work. I am just interested in the subject but came across this discussion on one of Veratasium's latest video, The Longest-Running Evolution Experiment, which I found very interesting. The experiment is presented as evolution, but to my layman eyes it just appears to be adaptation within the species of the bacteria. Now I know evolution is a slow process, (and I'm by no means condemning anything said in the video!!) but I would love some explanation that distinguishes these ideas. Is the only difference the timeframe at which the mutations take place? When looking up other videos on evolution, Minute Earth for example, you often come across the example of the polar bear: where a black or brown species of bear migrated to colder climates, where mutated offspring with lighter or white fur had a better chance of survival (survival of the fittest). But this also seems like adaptation within a species submitted by /u/xxStefanxx1 [link] [comments]

With popular meteor showers diminishing in intensity: Are new sources created - and how often? Posted: 11 Aug 2021 01:08 PM PDT submitted by /u/ten-der-loin [link] [comments]

Is it possible for sighted people to learn to read Braille visually, not by touch? Like visually reading the symbols? Posted: 11 Aug 2021 05:57 PM PDT I've been curious about this and can't really find anything online about it. Has it actually been done? I would assume there's no practical application for it but, I don't think it would be too difficult to learn. submitted by /u/Bigtank35 [link] [comments]

Is the recent decline in UK COVID deaths due to a lowered population of vulnerable people? Posted: 12 Aug 2021 05:48 AM PDT I have heard arguments that the drop in daily deaths compared to the surging daily cases in the UK could be caused by a decreasing population of older and more vulnerable people due to previous surges in Covid deaths. That basically there are now fewer vulnerable people. Is there any truth to this and what does the data suggest? submitted by /u/ocean_93 [link] [comments]

Can the COVID virus affect animals? Posted: 12 Aug 2021 04:25 AM PDT I've seen some news about animals getting COVID around the beginning of the pandemic: a tiger in a zoo, a pug giving it to his family, etc. I've also read articles where it says COVID originated from bats. Given that, I wish to know if animals can get Covid. Especially since I have two wonderful cats who like to go outside, one on walks. submitted by /u/EpicWinterWolf [link] [comments]

Why do numbers have special properties instead of just repeating the same properties after a certain point? Posted: 11 Aug 2021 11:00 AM PDT Non mathematician here trying to formulate a very abstract mathematical question. While whatching the Veritasium video on 3x+1 problem I started wondering: why would some seemingly arbitrary number have a different property than the billions of numbers before it. In the 3x+1 case it would be that a single number doesn't converge to zero. To a lay person it seems like a large number is essentially just made up of many smaller numbers and has thus the same (non unique) properties as it's parts. Since we use a 10 digit system it would seem as though the same properties of numbers would have to repeat after a while (much like how an odd number follows an even number again and again ad infinitum) but this doesn't seem to be the case. After all if this was the case why would mathematicians be trying to find very large numbers that contradict for example the 3x+1 problem, twin primes conjecture or Goldbach's conjecture. Is there a reason or a theory as to why numbers have unique as opposed to repeating properties? submitted by /u/oldwesternsandfolk [link] [comments]

When someone suffers from Acute Radiation Sickness they go through a "latent" stage where they feel well and healthy, despite potentiay lethal physiological damage. How is this? Posted: 11 Aug 2021 05:03 PM PDT submitted by /u/ihurtpuppies [link] [comments]

How effective are masks against the Delta variant specifically? Posted: 12 Aug 2021 12:10 AM PDT Due to Delta's higher viral load, are masks not as effective as they were with other previous variants? Is there any data out yet about this? submitted by /u/Historical_Project00 [link] [comments]

How are pseudoviruses manufactured, and how did we discover that technique? Posted: 11 Aug 2021 02:35 PM PDT Apologies if that looks like clickbaity title, this is a valid scientific term! Pseudovirus neutralizing antibody levels are apparently a thing, as I found out Here. When did we discover that viruses can engulf other viruses and borrow their coatings? How have we harnessed that process to our advantage for such vaccine antibody efficacy tests? submitted by /u/nickoskal024 [link] [comments]

Why is it some people even after recovering from covid-19 have symptoms like fever even after a week or so? Posted: 11 Aug 2021 04:54 PM PDT https://www.businessinsider.in/science/health/news/these-are-the-key-post-covid-symptoms-experienced-and-here-is-what-to-make-of-it/amp_articleshow/82859707.cms submitted by /u/sas8184 [link] [comments]

Why do we presribe prednisone instead of prednisolone? Posted: 11 Aug 2021 03:43 AM PDT Why does prednisone exist? Why would you prescribe it? Prednisone is converted by your body to prednisolone (active form). This conversion is so efficient that a 25mg tablet of prednisone is equivalent to 25mg prednisolone in a healthy individual. In people with hepatic insuffiency, the conversion is less effiecent and prednisolone is a preferred drug. Why do we still bother with prednisone? Are their any benefits for prescribing prednisone? submitted by /u/Smug--Life [link] [comments]

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