Do Covid-19 vaccines also protect against SARS-COV-1?

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• Do Covid-19 vaccines also protect against SARS-COV-1?
• Why does "red hepatization" occur in pneumonia, but pleural effusions are often clear or cloudy/not red?
• How well can humans perceive pitch?
• Where does helium go?
• How long does it take for the adaptive immune system to produce antibodies to a reinfection?
• Are all food flavours just different combinations of the main tastes? (Sweetness, saltiness, spiciness, sourness and bitterness)
• Why are Blue Holes anoxic?
• Can people have different, naturally developed, antibodies for the same diseases?
• Is the coronavirus pandemic expected to have a noticeable impact on global population growth in the medium to long run?
• How do scientists determine the exact chemical formula and composition of a certain substance (especially for the complex carbon-based compound)?
• Does talking use more oxygen than just breathing?
• How do you 'wire up' transplant organs?

Do Covid-19 vaccines also protect against SARS-COV-1? Posted: 30 Apr 2021 04:26 AM PDT submitted by /u/PastaWithMarinaSauce [link] [comments]

Why does "red hepatization" occur in pneumonia, but pleural effusions are often clear or cloudy/not red? Posted: 30 Apr 2021 07:33 AM PDT I'm not sure how clear the question is, but here goes: So, in lobar pneumonia, microbes get into the lungs, start an inflammatory response, and this attracts fluid, right? So there is congestion in the lobe of the lung because fluid has accumulated. I get that the blood vessels become very full, and so do the alveoli, so I get why exudate would come out of the vessels. But I don't understand why "red hepatization" of the lungs occurs - why have red blood cells also come out? When pretty much the same thing happens in pleural effusion - when pulmonary hypertension leads to pleural effusion - the fluid isn't red? How come red blood cells leak out in one case, but not the other? submitted by /u/Character-Leopard464 [link] [comments]

How well can humans perceive pitch? Posted: 29 Apr 2021 04:30 PM PDT For the most part, if you played two consecutive notes, a person should be able to identify which is higher pitch and which is lower pitch, right? And if you played three consecutive notes, you should be able to identify the same thing between notes 1 and 2, and then 2 and 3, simply because those notes were played adjacent to each other, so the comparison is the same. But if you played 3 consecutive notes, would a person be able to tell which was higher pitched, note 1 or 3, completely ignoring note 2? The reason I ask is because they're interrupted by note 2, so it isn't a side by side comparison. The method a person typically uses to identify the difference in pitch between two notes (comparing them side by side) doesn't apply to here, so could a person still do it? submitted by /u/AnarchyPigeon2020 [link] [comments]

Where does helium go? Posted: 29 Apr 2021 12:50 PM PDT We know that helium rises because it is lighter than most of the atmosphere. However, it should still be held around the earth due to gravity. So, is there a region of the atmosphere that is mostly helium or has a greater concentration of it, or does something else happen to it once it reaches higher altitudes? submitted by /u/inigo_montoya_6 [link] [comments]

How long does it take for the adaptive immune system to produce antibodies to a reinfection? Posted: 29 Apr 2021 09:12 PM PDT For example, getting an infection from a virus after a vaccine or a 2nd infection of the common cold submitted by /u/GabZeng [link] [comments]

Are all food flavours just different combinations of the main tastes? (Sweetness, saltiness, spiciness, sourness and bitterness) Posted: 29 Apr 2021 08:17 AM PDT Sort of like how colours are made up of red, blue and yellow submitted by /u/Sovv081 [link] [comments]

Why are Blue Holes anoxic? Posted: 29 Apr 2021 04:30 AM PDT I've been reading up on blue holes and discovered that DO levels start depleting around the rim of the sinkhole and eventually become anoxic at depths. For example, Amberjack Hole on the Florida continental shelf shows oxygen depletion beginning at the holes rim (32m of depth), with a hypoxic zone (40-70m), and an anoxic layer from 80m to the bottom of the hole (Gulf of Mexico blue hole harbors high levels of novel microbial lineages ). Why does this occur? The only conclusions I have been able to draw are that the inability for turnover means oxygen cannot permeate down into it's depths, or that there is something do with the surrounding limestone blocking DO. Are either of these the case, or is there a completely different reason? submitted by /u/Waluigi_Smith [link] [comments]

Can people have different, naturally developed, antibodies for the same diseases? Posted: 29 Apr 2021 07:44 AM PDT Some time ago there was a post saying that the number of random mutations of our antibodies rises greatly when we are sick, so we can develop immunity to novel pathogens. So I started wondering if when people catch, for example, Covid and then beat it naturally, or even through vaccine, do they develop antibodies that are effective, but built differently than those of other people? submitted by /u/Tarades123 [link] [comments]

Is the coronavirus pandemic expected to have a noticeable impact on global population growth in the medium to long run? Posted: 29 Apr 2021 06:49 AM PDT I'm interested in both the direct impacts (reduction in population because of increase in deaths) and the indirect impacts (decrease in birth rates over the next few years because of parents deciding against having children in this environment). submitted by /u/Tales_of_Ba_Sing_Se [link] [comments]

How do scientists determine the exact chemical formula and composition of a certain substance (especially for the complex carbon-based compound)? Posted: 28 Apr 2021 09:02 PM PDT Also, how do chemists create a working procedure/method to synthetically produce a certain chemical in laboratory setting? Is it purely by trial and error? submitted by /u/DigitalSilhouette [link] [comments]

Does talking use more oxygen than just breathing? Posted: 28 Apr 2021 08:39 PM PDT It's a trope you've seen in movies and TV: Our heroes are trapped and rapidly running out of air. One starts talking, but the other shushes them, "Don't talk. We need to conserve oxygen." Really, though? Aside from the muscles necessary for speech, your body wouldn't use any more oxygen than breathing normally, would it? submitted by /u/option8 [link] [comments]

How do you 'wire up' transplant organs? Posted: 28 Apr 2021 06:02 PM PDT Organs generally have quite complicated blood, lymph and nerve supplies/innervations/drainage. When you transplant an organ, do these connections eventually reform in the body? If so, how long does this take? Or do you need to manually stitch together blood vessels and nerves of the recipient with those of the donor organ? submitted by /u/Al_Kane [link] [comments]

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If Blue, Red and Yellow are the primary colors then why are Blue, Red and Green (RBG) used for generating colors in computer programs?

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• If Blue, Red and Yellow are the primary colors then why are Blue, Red and Green (RBG) used for generating colors in computer programs?
• AskScience AMA Series: We're climate scientists from around the world. Ask us anything!
• How does the immune system react to proteins from other humans/cell cultures of human cells?
• Since potential energy adds to an objects mass, would an object almost infinitely far from a gravitational source have almost infinite mass?
• Does the gap between the two doses of COVID vaccine affect the efficacy?
• Do mycorrhizal fungi disassociate from plants that stop providing the fungi with carbohydrates (for example because the plant has been covered with dirt from a land slide)?
• Why do synchrotrons require pre-acceleration beamlines?
• How would the the value for the mass of a black hole be estimated using spectral data?
• Why do red letters on a blue background seem to shimmer or flash when viewed in peripheral vision?
• How do virophages work if viruses don't have cellular machinery?
• Can getting blood drawn itself cause a vasovagal response?
• Variolation- why was is less deadly than naturally contracting the disease?
• Are the emerging COVID-19 variations a real-world example of Darwinian evolutionary theory in action?
• Is there sufficient data available yet on how well a first COVID dose is protecting against ICU and hospital admissions?
• I've recently heard that the first papers on atoms and molecules where published in the early 1800s. How did they find out about them? What technology did they use?
• Why is salt toxic to plants?

If Blue, Red and Yellow are the primary colors then why are Blue, Red and Green (RBG) used for generating colors in computer programs? Posted: 28 Apr 2021 11:15 AM PDT I really tried to google this, but I didn't see clear explanations on the difference. If I google RBG then I find posts which call these the primary additive colors, with green and red making yellow. I thought maybe my primary schooling was just old and color theory had changed a bit, but if I google primary colors for art purposes like painting, then it seems that blue, red and yellow are still the primaries for, say, mixing paints. submitted by /u/Snuffleupagus03 [link] [comments]

AskScience AMA Series: We're climate scientists from around the world. Ask us anything! Posted: 29 Apr 2021 04:00 AM PDT Hi Reddit, We're the six scientists profiled in the Reuters Hot List series, a project ranking and profiling the world's top climate scientists. We'll be around for the next several hours to answer your questions about climate change and more. A little more about us: Michael Oppenheimer, Professor of Geosciences and International Affairs at Princeton University: My research and teaching focus on climate change and its impacts, especially sea level rise and human migration. My research group examines how households and societies manage the impacts of sea level rise and coastal storms, the increasing risk these bring as Earth warms, and policies to reduce greenhouse gas emissions, increase adaptation and limit the risks. We also model the effect of climate change on human migration which is a longstanding adaptation to climate variations. We project future climate-driven migration and analyze policies that can ease the burden on migrants and their origin and destination communities. Follow me on Twitter. Corinne Le Quéré, Royal Society Professor of Climate Change Science at the University of East Anglia in the UK: I conduct research on the interactions between climate change (ePDF) and the carbon cycle, including the drivers of CO2 emissions (ePDF) and the response of the natural carbon sinks. I Chair the French High council on climate and sit on the UK Climate Change Committee, two independent advisory boards that help guide climate actions in their respective governments. I am author of three IPCC reports, former director of the Tyndall Centre for Climate Change Research and of the annual update of the global carbon budget by the Global Carbon Project. Read more on my website, watch my TED talk and BBC interview, and follow me on Twitter. Ken Caldeira, Senior Scientist at Breakthough Energy: I joined Breakthrough Energy (BE) as Senior Scientist in January of 2021, but I have been helping to bring information and expertise to Bill Gates since 2007. I'm committed to helping scale the technologies we need to achieve a path to net zero emissions by 2050, and thinking through the process of getting these technologies deployed around the world in ways that can both improve people's lives and protect the environment. Visit my lab page and follow my blog. Carlos Duarte, Distinguished Professor and Tarek Ahmed Juffali Research Chair in Red Sea Ecology at the King Abdullah University of Science and Technology (KAUST), in Saudi Arabia: My research focuses on understanding the effects of climate change in marine ecosystems and developing ocean-based solutions to global challenges, including climate change, and develop evidence-based strategies to rebuild the abundance of marine life by 2050. Follow me on Twitter. Julie Arblaster: I'm a climate scientist with expertise in using climate models to understand mechanisms of recent and future climate change. Kaveh Madani, Visiting Scholar (Yale University) and Visiting Professor (Imperial College London): My work focuses on mathematical modeling of complex, coupled human-environment systems to advise policy makers. Follow me on Twitter, Instagram, Facebook and YouTube. Watch my talks and interviews. We're also joined by Maurice Tamman, who reported "The Hot List" series and can answer questions about how it came together. He is a reporter and editor on the Reuters enterprise unit based in New York City. His other work includes "Ocean Shock," an expansive examination of how climate change is causing chaos for fisheries around the planet. Previously, Mo ran the unit's forensic data team, which he created after joining Reuters in 2011 from The Wall Street Journal. We'll be on starting at 12 p.m. ET (16 UT). Ask us anything! Username: /u/Reuters Follow Reuters on Twitter, Facebook, Instagram, LinkedIn, and YouTube. submitted by /u/AskScienceModerator [link] [comments]

How does the immune system react to proteins from other humans/cell cultures of human cells? Posted: 29 Apr 2021 04:27 AM PDT I'm asking this in the context of (recombinant) monoclonal antibodies as drugs and vaccinations like the one produced by Astra Zeneca, which is produced in HEK cell lines and contains some small amounts of HEK proteins. In the case of monoclonal antibodies there is the generation of antibodies against the used MC-antibodies but as far as I know the risk of immunogenicity gets lower with higher amount of "human" parts of the antibody. Does this happen because the constant region of antibodies is a highly conserved sequence (not sure if it is?) so production of antibodies against this region is unlikely or is there a completely different mechanism involved? In the case of HEK proteins or proteins from other humans in general how does immune response look like? Why does the immune response to proteins from other humans not matter (blood donation) but in other cases it does? Is there some fundamental building block I am missing? submitted by /u/Jelly_26 [link] [comments]

Since potential energy adds to an objects mass, would an object almost infinitely far from a gravitational source have almost infinite mass? Posted: 29 Apr 2021 03:52 AM PDT I'm going off of this video here. I have zero background in this kind of thing, just curious. https://youtu.be/Xo232kyTsO0 Seems to me if one blocked stacked on top of another block has more mass because it's higher up, that an object much further away would have even more mass due to its greater potential energy. submitted by /u/Privateaccount84 [link] [comments]

Does the gap between the two doses of COVID vaccine affect the efficacy? Posted: 29 Apr 2021 01:03 AM PDT Most people have 2 weeks to maybe a month gap between the first and second dose. How about if the gap is longer than that? If the second dose is given 6 months after, for example, does it give the same level of protection afterwards compared to the recommended gap? submitted by /u/haznatz [link] [comments]

Do mycorrhizal fungi disassociate from plants that stop providing the fungi with carbohydrates (for example because the plant has been covered with dirt from a land slide)? Posted: 29 Apr 2021 07:31 AM PDT submitted by /u/low-hanging_fruit_ [link] [comments]

Why do synchrotrons require pre-acceleration beamlines? Posted: 29 Apr 2021 07:03 AM PDT Or in other words: Would it be possible to inject particles directly into the RF cavity that provides the acceleration for synchrotrons? I understand that pre-acceleration make sense as storage rings from a "beam-economical" point of view, but are they (or other pre-acceleration structures like linear accelerators) unequivocally necessary? Can synchrotrons accelerate particles from low speeds? Thanks in advance! submitted by /u/MyDeskIsMadeOfWood [link] [comments]

How would the the value for the mass of a black hole be estimated using spectral data? Posted: 28 Apr 2021 09:24 PM PDT Googling this only shows up papers on reverberation mapping and the virial theorem, but how do these actually work in regards to estimating the mass and what tools or programs would you need? submitted by /u/Likekoko [link] [comments]

Why do red letters on a blue background seem to shimmer or flash when viewed in peripheral vision? Posted: 28 Apr 2021 06:12 PM PDT I have a t shirt that's deep blue but has crimson letters on it. When I look directly at it nothing seems unusually but I've noticed that when it's in my peripheral vision like when I'm using my phone for example, I notice the red letters seem to jump around and kind of flash when my eyes move. What's causing this? I thought it might have to do with chromostereopsis but I was hoping someone might be able to give me an in depth explanation. submitted by /u/ionized_dragon77 [link] [comments]

How do virophages work if viruses don't have cellular machinery? Posted: 28 Apr 2021 01:35 PM PDT I don't know much about this subject, but with some quick searches I saw that virophages require co-infection of another virus. Isn't the goal of a virophage to reproduce just like anything else? So what's the point of them infecting a virus? submitted by /u/NapoleonicWarhead [link] [comments]

Can getting blood drawn itself cause a vasovagal response? Posted: 28 Apr 2021 03:25 PM PDT Sometimes when I get blood drawn, I pass out, and the doctor always tells me that it's because I get anxious or because I'm afraid of needles or don't like the thought of blood. But, I don't think any of that is true. I don't pass out when I get shots or finger pricks. Is it possible that losing the amount of blood required for a blood test on its own could cause the same response?? submitted by /u/strawberryjamonrye [link] [comments]

Variolation- why was is less deadly than naturally contracting the disease? Posted: 28 Apr 2021 10:30 PM PDT Title says it all, and I much appreciate the time. I prefer a nuanced, though not necessarily technical (only that which is pertinent), answer. But of course, any information is appreciated. Many thanks! submitted by /u/TheRealTraveel [link] [comments]

Are the emerging COVID-19 variations a real-world example of Darwinian evolutionary theory in action? Posted: 28 Apr 2021 11:30 AM PDT Numerous COVID-19 variations are emerging and those that are more contagious (and resistant to vaccines) seem to be spreading more quickly in many countries. Is this a real-world example of "survival of the fittest" from Darwinian evolutionary theory? Those variations that are most fit with their host are more likely to spread and survive. submitted by /u/4ourkids [link] [comments]

Is there sufficient data available yet on how well a first COVID dose is protecting against ICU and hospital admissions? Posted: 28 Apr 2021 10:45 AM PDT There seem to be a lot of conflicting reports on this and I'm guessing it's still early to understand it well but wondering if there are at least any trends yet. Whether it's data for one of the vaccines or any combination of them that require two doses, what % of people who have received dose 1 of 2 are getting infected and being admitted to hospital or ICU? If that number exists anywhere, is it known roughly how long between the dose and the severe symptoms? Appreciate any insight as always! submitted by /u/howedy94 [link] [comments]

I've recently heard that the first papers on atoms and molecules where published in the early 1800s. How did they find out about them? What technology did they use? Posted: 28 Apr 2021 01:23 AM PDT submitted by /u/Schwabenland [link] [comments]

Why is salt toxic to plants? Posted: 28 Apr 2021 03:09 AM PDT Aside from lowering the osmotic gradient between soil and root, why is salt (or perhaps sodium/chloride ions) toxic to plants? submitted by /u/Sgwyd_ [link] [comments]

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Google, 1600 Amphitheatre Parkway, Mountain View, CA 94043, United States

When the temperature of water goes down, does the surface tension increase?

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• When the temperature of water goes down, does the surface tension increase?
• AskScience AMA Series: We are genetics experts here to discuss how underrepresentation of some populations in research can impact medicine and health. Ask us anything!
• What are the ways to measure very high level of radiation?
• During a solar eclipse if you followed the path of totality how fast would you need to be moving to stay in darkness?
• Ask Anything Wednesday - Physics, Astronomy, Earth and Planetary Science
• What would be the most accurate 2D map in regards to the Earth's land surface?
• Does the water in clouds cause drag on aircraft?
• Does a sealed bottle of carbonated water become flat over a long period of time?
• How did vitamins get labels like A, B, C etc?
• Why does the face swell after getting punched? Googling the question just says that swelling is a defensive reaction from the immune system but does not explain the mechanics behind it.
• Why do our pupils dilate/constrict when under the influence of CNS depressors and stimulants?
• What determines whether or not a substance has a strong scent?
• What kind of category does Nalaxone/Narcan (when administered) belong to between Alpha & Beta receptors, or other...?
• Why does a spine have protrusions on it? What causes this and how are they evolutionarily useful?
• Does drinking water after eating slow digestion?
• Why can’t the Plum Pudding Model, proposed by J. J. Thomson, explain Rutherford’s Aplha Scattering Experiment?
• When a face is digitally blurred, what exactly are they doing to the pixels?
• Is there evidence/thoughts for changing/keeping the injection site for the 2nd dose of a vaccine?
• Why do compounds have specific state change points?
• Why are glaciers more abundant in the PNW than in the Rockies?
• Exudative pleural effusion is basically when the capillaries in the lungs get leaky and let fluid leak into the fluid space. Does this happen elsewhere in the body? Why are the lungs so vulnerable to this?
• What is the current state of the art method for permanent genetic modification of plant or animal cells/organisms?

When the temperature of water goes down, does the surface tension increase? Posted: 27 Apr 2021 09:04 PM PDT submitted by /u/Aquate_ [link] [comments]

AskScience AMA Series: We are genetics experts here to discuss how underrepresentation of some populations in research can impact medicine and health. Ask us anything! Posted: 28 Apr 2021 07:01 AM PDT Overall, humans are remarkably similar at the genomic level - two unrelated people share about 99.9% of their DNA sequences. However, the small percentage that does differ can hold important genetic clues about our traits and health. Important discoveries in human genetics and genomics often rely on comparing groups of people, for example people with a given disease compared to people without the disease. These studies utilize genomic data from individuals who have contributed their DNA for research purposes, most of which (approximately 80%) are individuals of European ancestry, yet 16% of the global population is made up of people of European ancestry. The failure to include some populations in genetic studies means researchers are likely missing discoveries that can benefit everyone, and results can have limited utility across different populations. We're here to discuss the 2021 DNA Day Essay Contest question, which asked high school students around the world to address how population representation impacts genomic findings and whether inclusion of more diverse populations in genetic and genomic studies holds a potential to benefit future genetic research and improve human health. Some groups who are working to improve population representation in genetic and genomic research include: The Human Heredity and Health in Africa Initiative (H3Africa), which is collecting genetic samples from participants in 27 African countries, as well as funding African investigators working in African institutions.https://h3africa.org/index.php/about/ The Population Architecture using Genomics and Epidemiology (PAGE) Consortium, which will genotype approximately 50,000 individuals from non-European populations. https://www.pagestudy.org/ The All of Us Research Program, which plans to recruit one million American individuals - at least half of whom are of non-European ancestry - to learn more about how differences in lifestyle, environment, and genetics influence health and disease. https://www.joinallofus.org/ The American Society of Human Genetics is a partner in organizing today's AMA. For more information on human genetics and genomics, check out their Discover Genetics page: https://www.ashg.org/discover-genetics/. And, for more information on this year's Essay Contest question, check out this fact sheet: https://www.ashg.org/wp-content/uploads/2021/04/DG_FactSheet_PopRepresentation_v5.pdf Our group today includes: Marina DiStefano, PhD (u/Marina_DiStefano) - I am an assistant professor and clinical molecular geneticist in the Geisinger Precision Health Program and an affiliate member at the Broad Institute. I lead the Broad-based ClinGen biocuration team and work with multiple Consortiums to develop and set standards for curation data available to the public. Claudia Gonzaga-Jauregui, PhD (u/cgonzagaj) - I am a geneticist working on rare, undiagnosed, and Mendelian diseases. I identify the molecular causes of genetic disorders to provide diagnoses and novel genes association. I am particularly interested in studying genomic variation in diverse and underrepresented populations to improve community and population precision health and reduce disparities. Tiffany Oliver, PhD (u/Tiffany_Oliver) - I am an associate professor in the Department of Biology at Spelman College where I run a laboratory, teach upper-level genetics courses, and serve my professional community through several collaborative studies with government agencies including NIH and NSF. I have gained ample experience in providing scientific and technical advice to members of the scientific community and the general public. Jessica Zhou (u/Jessica_Zhou_ASHG) - I am a PhD candidate in the Bioinformatics and Systems Biology program at the University of California San Diego. My research focuses on studying the molecular basis of substance use disorders. As a computational biologist, I work with computers to extract novel biological insight from experimental data. We will be online throughout the day to answer your questions. Thanks for hosting us, reddit, and AUA! submitted by /u/AskScienceModerator [link] [comments]

What are the ways to measure very high level of radiation? Posted: 28 Apr 2021 07:28 AM PDT What are the ways that very high levels (Chernobyl, 20,000+ r/Hr) are measured? Is it a matter of Geiger counter being able to sample at a very high frequency or there is some other type of sensors that are being used for those kind of levels? Edit: I realize how Geiger counters work, so I was wondering if it is simply an issue of electronics to register that high of CPM count. Well that and some insane shielding to be able to work in that kind of field. submitted by /u/Distdistdist [link] [comments]

During a solar eclipse if you followed the path of totality how fast would you need to be moving to stay in darkness? Posted: 28 Apr 2021 12:49 AM PDT submitted by /u/ainmusaideora1 [link] [comments]

Ask Anything Wednesday - Physics, Astronomy, Earth and Planetary Science Posted: 28 Apr 2021 07:00 AM PDT Welcome to our weekly feature, Ask Anything Wednesday - this week we are focusing on Physics, Astronomy, Earth and Planetary 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]

What would be the most accurate 2D map in regards to the Earth's land surface? Posted: 28 Apr 2021 01:47 AM PDT Recently there was a lot of news about a new, more accurate projection of our globe onto a 2D map by David Goldberg and others. I understand, that the goal is to minimize distortions that come from mapping a 3D object onto a 2D plane. The maps I have seen so far seem to be centred on the South and North Pole. That kept me wondering: Is there a way to centred this map, so that the distortion is minimized in a relevant way, meaning the surface of dry land? Is there somewhere a version of the map that forfeits accuracy in, let's say the pacific to give a much more undistorted depiction of Asia by placing it in the centre of the map? Would it even matter? submitted by /u/andthatswhyIdidit [link] [comments]

Does the water in clouds cause drag on aircraft? Posted: 27 Apr 2021 05:04 PM PDT Obviously there's quite a bit of water in clouds in any size from vapor to rain drops, as aircraft go through this does it have any effect on power requirements due to increased drag? submitted by /u/mouthymedic [link] [comments]

Does a sealed bottle of carbonated water become flat over a long period of time? Posted: 27 Apr 2021 07:13 PM PDT submitted by /u/piracy123 [link] [comments]

How did vitamins get labels like A, B, C etc? Posted: 27 Apr 2021 08:24 PM PDT And why do some have numbers attached like B-12? submitted by /u/kjr_79 [link] [comments]

Why does the face swell after getting punched? Googling the question just says that swelling is a defensive reaction from the immune system but does not explain the mechanics behind it. Posted: 28 Apr 2021 01:24 AM PDT submitted by /u/FlickObserver [link] [comments]

Why do our pupils dilate/constrict when under the influence of CNS depressors and stimulants? Posted: 27 Apr 2021 09:02 AM PDT submitted by /u/Lorenzo_Pure [link] [comments]

What determines whether or not a substance has a strong scent? Posted: 27 Apr 2021 06:16 AM PDT For example, why does an ester have such a strong smell? submitted by /u/Foley4593 [link] [comments]

What kind of category does Nalaxone/Narcan (when administered) belong to between Alpha & Beta receptors, or other...? Posted: 27 Apr 2021 07:17 PM PDT Was told that it belongs in the Alpha-2 category, but internet says it's its own receptor "mu"... submitted by /u/Lorenzo_Pure [link] [comments]

Why does a spine have protrusions on it? What causes this and how are they evolutionarily useful? Posted: 27 Apr 2021 03:00 AM PDT submitted by /u/AnotherJimz [link] [comments]

Does drinking water after eating slow digestion? Posted: 27 Apr 2021 02:10 PM PDT I was thinking about this today after eating a heavy meal, would drinking water after eating dilute stomach acids, making them less effective at digesting food? Or does the concentration of stomach acid not change by a noticeable enough amount to have an effect on digestion? submitted by /u/Finn__Daddy [link] [comments]

Why can’t the Plum Pudding Model, proposed by J. J. Thomson, explain Rutherford’s Aplha Scattering Experiment? Posted: 27 Apr 2021 05:03 PM PDT submitted by /u/sp3zzz_ [link] [comments]

When a face is digitally blurred, what exactly are they doing to the pixels? Posted: 27 Apr 2021 04:56 PM PDT submitted by /u/Morihando [link] [comments]

Is there evidence/thoughts for changing/keeping the injection site for the 2nd dose of a vaccine? Posted: 27 Apr 2021 10:39 PM PDT My thought comes from the observation, that injections in a muscle for respiratory diseases is somewhat unnatural. It seems to form mostly IgG Antibodies circulating in the blood, whereas respiratory infections also lead to IgA antibodies, which mostly protect mucosal membranes. Another line of thought is local lymph nodes, which appear to react to vaccines. As the expected exposure to the disease comes from a different region, would it make more sense to inject the 2nd dose in a different muscle, to select for "more mobile immune cells"? submitted by /u/Thorusss [link] [comments]

Why do compounds have specific state change points? Posted: 27 Apr 2021 06:22 AM PDT From the Kinetic Molecular Theory, we know that all atoms and molecules are constantly moving. We also know that the speed at which they move (how much kinetic energy they have) determines their state of matter. Intuitively, since matter can lie anywhere on the temperature spectrum, why does the state of matter fall into specific states (solid, liquid, gas, and plasma) and not also lie on a spectrum? I can't think of a way that this would make sense intuitively unless I'm missing a piece of the puzzle. submitted by /u/wowkster [link] [comments]

Why are glaciers more abundant in the PNW than in the Rockies? Posted: 27 Apr 2021 03:44 PM PDT It seems that glaciers are abundant here in the Pacific Northwest. It's not just the tall cascade volcanoes that have them, but even peaks in the Olympic Range and non-volcanic peaks in the North Cascades have glaciers. However, there are many areas of the Rockies with tall peaks that don't seem to have any glaciers, especially in Idaho and Utah. Is it just because of a lack of snowfall? The Rockies do seem get plenty of snow. submitted by /u/yuckertheenigma [link] [comments]

Exudative pleural effusion is basically when the capillaries in the lungs get leaky and let fluid leak into the fluid space. Does this happen elsewhere in the body? Why are the lungs so vulnerable to this? Posted: 27 Apr 2021 06:56 AM PDT submitted by /u/Character-Leopard464 [link] [comments]

What is the current state of the art method for permanent genetic modification of plant or animal cells/organisms? Posted: 27 Apr 2021 06:02 AM PDT submitted by /u/Martin_Phosphorus [link] [comments]

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