How much does a covid-19 vaccine lower the chance of you not spreading the virus to someone else, if at all?

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• How much does a covid-19 vaccine lower the chance of you not spreading the virus to someone else, if at all?
• If mRNA vaccines remain proven safe, is it actually necessary to go through new trials each time when vaccinating for a new strain or another disease?
• Does organic matter decompose in highly irradiated zones?
• Why is the floor of the Uyuni salt desert partitioned into specifically hexagons and no other pattern?
• How significant are asymptomatic COVID-19 infections to the transmission of the disease?
• How do we know that the neutrinos have spin?
• If you've had the flu one year, is the probability that you will symptomatically get flu lower the following year?
• For people vaccinated against COVID, is every encounter with a COVID-positive person a separate 'roll of the dice' in terms of chance to contract? Or are vaccinated people either vulnerable or immune on an ongoing basis?
• Why do water bottles act differently in my fridge?
• Since plant life was so abundant during the relatively warm early carboniferous period, why wouldn’t agriculture do well in a warmer climate caused by climate change?
• If white blood cells are constantly dying and being replenished, how do new ones “know” what antibodies to produce?
• Have we seen an increased risk of myocarditis from Adenovirus vector COVID vaccines? If not, why not?
• What actually kills a plague victim?
• Is Covid more infectious than a common cold?
• Can't we include multiple virus traits rather than just the protein spikes in the Covid vaccines?
• What do telescopes actually record/capture?
• Does the Bering strait ever freezes enough so that somebody could cross it by car?
• Do lights hurt deep ocean entities?
• How does sand form from rocks on planets without atmosphere?

How much does a covid-19 vaccine lower the chance of you not spreading the virus to someone else, if at all? Posted: 22 Aug 2021 05:45 AM PDT submitted by /u/Araknhak [link] [comments]

If mRNA vaccines remain proven safe, is it actually necessary to go through new trials each time when vaccinating for a new strain or another disease? Posted: 21 Aug 2021 10:44 AM PDT Obviously it's best to be careful about these things. That said, with this new form of vaccination, a lot of the uncertainty of 'old school' vaccines is out of the picture, right? Supposing the method of getting mRNA into the body remains the same, and the proteins produced are innocuous – is there still reason to think that there could be unforeseen side effects? submitted by /u/CyKii [link] [comments]

Does organic matter decompose in highly irradiated zones? Posted: 21 Aug 2021 08:23 AM PDT So I have read in the past that the most irradiated areas of Chernobyl are at high risk of wild Fire due to the abundance of deadwood that accumulates because bacteria aren't able to successfully colonize the area enough to initiate decomposition due to the radiation. So this question came to my mind, it might sound a bit obvious or silly but does this mean that all organic matter is unable to be decomposed or does wood resist the hindered bacteria because it's more resistant to decomposition than flesh? Is the radiation in the high-risk zones high enough to kill all bacteria or enough that it renders all processes of organic decomposition impossible or not? If, for the sake of experimentation, I were to put a chunk of meat in a highly irradiated zone and leave it there for decomposition to take its course would I find it still unaltered as if I had sterilized it using irradiation? submitted by /u/EccoEco [link] [comments]

Why is the floor of the Uyuni salt desert partitioned into specifically hexagons and no other pattern? Posted: 21 Aug 2021 09:46 AM PDT Why does it look like this? https://images.app.goo.gl/8HscWWGJApbzKyGp7 submitted by /u/Comprehensive_Lead41 [link] [comments]

How significant are asymptomatic COVID-19 infections to the transmission of the disease? Posted: 21 Aug 2021 04:27 PM PDT I know vaccines like Pfizer were shown in clinical trials to be quite effective at preventing symptomatic infections. What about asymptomatic infections, though? How big of a deal are they at this time, esp. with the rise of the Delta variant accompanied by waning vaccine effectiveness? submitted by /u/Warm-Sheepherder-597 [link] [comments]

How do we know that the neutrinos have spin? Posted: 21 Aug 2021 11:41 AM PDT Neutrinos are neutrally charged particles that do not interact neither by strong force or electromagnetism. How do we know that neutrinos are spin 1/2 fermions? Could neutrinos have higher spin numbers? submitted by /u/MaoGo [link] [comments]

If you've had the flu one year, is the probability that you will symptomatically get flu lower the following year? Posted: 22 Aug 2021 04:55 AM PDT I know the flu mutates quite rapidly, hence why the vaccine needs to be updated, but presumably the strains in 2 successive years are more similar to each other than 2 strains 10 years apart. Does that mean that having had the flu in a given year provides some protection the next year (even though a different vaccine will have been made)? Edit: This question has arisen because there have been headlines saying this year will be a very bad flu season in areas that have had lockdowns over the last 18 months as flu rates were so low during that time. submitted by /u/ulchachan [link] [comments]

For people vaccinated against COVID, is every encounter with a COVID-positive person a separate 'roll of the dice' in terms of chance to contract? Or are vaccinated people either vulnerable or immune on an ongoing basis? Posted: 21 Aug 2021 05:38 PM PDT submitted by /u/mrfurion [link] [comments]

Why do water bottles act differently in my fridge? Posted: 21 Aug 2021 09:10 PM PDT Hi all I'm curious about something. My fridge is a basic one. Big fridge compartment and a small freezer one. Inside the fridge compartment there are the standard 2 drawers for storing vegetables. The one difference is that the fridge allows me to set a separate temperature for one of those drawers. The fridge itself is at 4 degrees Celsius and I've set that compartment to -4 degrees. Am using it for drinks storage Mostly I'm washing and reusing glass coke bottles (both the 300 and 385ml varieties, have about a dozen or so of each #CokeFiend) as water bottles. It's super convenient to just reach into the fridge and grab an ice cold bottle of water, especially when I have guests over. Now I know from high school the melting point of water is 0 degrees, so at -4 I'd expect my drinks to be frozen solid. In fact when I first discovered that I could change the temperature I kept reducing it gradually at first until I was sure the drinks in there wouldn't freeze (also had some soft drinks and beers in there and didn't want the bottles to explode). So when I got all the way down to -4 and they were still drinkable I was surprised. Sometimes my soft drinks freeze a little and develop a slushy like texture but I'm totally not complaining, I love that) However what's confusing me is this. Some of the water bottles freeze amd others don't. I'd say maybe one in every 10 bottles will freeze. I've done some experiments over time and nothing makes a difference. Doesn't matter if it's a 300ml or 385. Doesn't matter if there's many bottles or few. Doesn't matter where I put the bottle in the compartment, left/right/middle or on top of or beneath other bottles. The freezing seems to be random and I'm really curious what's causing certain bottles to freeze and not others Also, side question. Occasionally the frozen bottles burst. My theory is I'm simply overfilling them occasionally and the ice has no room to expand. Can anyone confirm/deny this? submitted by /u/BeBa420 [link] [comments]

Since plant life was so abundant during the relatively warm early carboniferous period, why wouldn’t agriculture do well in a warmer climate caused by climate change? Posted: 21 Aug 2021 10:24 PM PDT submitted by /u/beloski [link] [comments]

If white blood cells are constantly dying and being replenished, how do new ones “know” what antibodies to produce? Posted: 21 Aug 2021 11:37 AM PDT How does that "memory" work? This comes from a friend asking whether the protection from a COVID-19 vaccine would be diluted somehow by a blood transfusion from an unvaccinated person. submitted by /u/the_protagonist [link] [comments]

Have we seen an increased risk of myocarditis from Adenovirus vector COVID vaccines? If not, why not? Posted: 21 Aug 2021 04:05 PM PDT Health agencies have seen a slightly elevated rate of myocarditis after vaccination with mRNA vaccines particularly in young adults mainly between 18-24. It should be noted that despite this, the risk of myocarditis after an mRNA vaccine is far lower than the risk of myocarditis after COVID-19. However, I'm curious, have we seen higher than normal incidence of myocarditis after vaccination with an Adenovirus vector vaccine, such as the J&J, AstraZeneca, and Sputnik-V vaccines? If not, why not? If this myocarditis risk was due to immune response, would it not affect Adenovirus vector vaccines as well? Both vaccines encode for the spike protein and have the dendritic cells produce these antigens. AFAIK the only difference between Adenovirus vector and mRNA vaccines is the delivery method. Adenovirus vector vaccines deliver spike protein encoding via DNA by infecting cells. mRNA vaccines have a lipid nanoparticles that shuttles the mRNA into cells. But after delivery, procedures are the same no? submitted by /u/LuminousEntrepreneur [link] [comments]

What actually kills a plague victim? Posted: 21 Aug 2021 09:22 AM PDT Is it something the bacteria do to the body, or is it sepsis that kills plague victims? submitted by /u/FeelThePower999 [link] [comments]

Is Covid more infectious than a common cold? Posted: 21 Aug 2021 08:09 PM PDT Not sure if this is quantifiable, but just curious. I've seen lots of things comparing it to the flu and saying it's more infectious than that, but I've only ever had 2-3 flus in my life, i've had dozens of colds though. Curious if it's quantifiable. Thanks submitted by /u/50cslol [link] [comments]

Can't we include multiple virus traits rather than just the protein spikes in the Covid vaccines? Posted: 21 Aug 2021 10:27 AM PDT submitted by /u/hairycoo [link] [comments]

What do telescopes actually record/capture? Posted: 21 Aug 2021 05:55 PM PDT I was watching the documentary on Netflix about Event Horizon Telescope and they had three teams working on processing data to generate an image of black hole. What data are they actually working on? What information does a telescope output? I always thought telescopes captured light and gave out images just like cameras do. But now I do not think that is true. submitted by /u/theindianlul [link] [comments]

Does the Bering strait ever freezes enough so that somebody could cross it by car? Posted: 21 Aug 2021 04:20 AM PDT I have heard some people tried it before, is it actually possible to drive from America to Russia via the Bering strait? submitted by /u/om_605 [link] [comments]

Do lights hurt deep ocean entities? Posted: 21 Aug 2021 02:43 AM PDT Do scientists that do deep sea/ocean exploration know that the videos and pictures they take of deep sea/ocean creatures won't blind them? It's been a question of mine for a long time. These animals are used to a dark environment and they may see in different light spectrums than we do. So do scientists take that into consideration when they film them? submitted by /u/Co1nz [link] [comments]

How does sand form from rocks on planets without atmosphere? Posted: 21 Aug 2021 08:25 AM PDT I'm thinking about very fine grained sand in significant quantities on planets that do not have an atmosphere. The question could extend to dust as well. submitted by /u/ampren7a [link] [comments]

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Nowadays, dogs get vaccinated for several different fatal diseases. In the past, did lots of dogs just die of them?

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• Nowadays, dogs get vaccinated for several different fatal diseases. In the past, did lots of dogs just die of them?
• Why are there so many vitamin ‘B’ types and how come the numbers skip?
• What is the device with which you can directly measure the gravitational field strength?
• Does rainbows contain a larger piece of the electromagnetic spectrum than the part of visible light us humans can see?
• Does Laws of Motion given by Newton apply in Relativity theory of Einstein?
• Why are chemspider ID's so random?
• Why only female anopheles spreads malaria and not the male one ?
• What determines the heat of combustion of a fuel (hydrocarbon)?
• Does the above ground temperature matter if you are 100m below ground?
• Is there any particular reason why the Mojave is so different, terrain-wise, from a desert like the Sahara?
• Why does vapour collect in irregular clusters in the sky(clouds) rather than just a solid even sheet?

Nowadays, dogs get vaccinated for several different fatal diseases. In the past, did lots of dogs just die of them? Posted: 20 Aug 2021 01:42 PM PDT In the US at least, dogs get shots for rabies, distemper, and parvo, and pills for heartworm. In the past, say 1900, did dogs just catch these diseases and die from them all the time? Rabies is an exception I guess, since once symptoms were noticed, the animals were killed ASAP. But what about the others? submitted by /u/thewizardofosmium [link] [comments]

Why are there so many vitamin ‘B’ types and how come the numbers skip? Posted: 20 Aug 2021 12:44 PM PDT And why do they have numbers and word names? Are they interchangeable in all situations or is it specific to your situation? submitted by /u/Richbanana2 [link] [comments]

What is the device with which you can directly measure the gravitational field strength? Posted: 20 Aug 2021 11:33 PM PDT Like how you can measure force, temperature and acceleration, is there a way to measure the gravitational field strength? To me, gravitational field strength seems like the only physical quantity which has not/can not be measured by a device. Please correct me if I'm wrong. submitted by /u/ThePhysicst_NextDoor [link] [comments]

Does rainbows contain a larger piece of the electromagnetic spectrum than the part of visible light us humans can see? Posted: 20 Aug 2021 11:13 PM PDT submitted by /u/UnfamiliarAppearance [link] [comments]

Does Laws of Motion given by Newton apply in Relativity theory of Einstein? Posted: 20 Aug 2021 11:16 PM PDT submitted by /u/Environmental-Zone-4 [link] [comments]

Why are chemspider ID's so random? Posted: 20 Aug 2021 10:13 PM PDT I was looking at some random ass chemicals on the internet and most of them have a chemspider ID with about 4 digits. I wanted to see if there is any logic to these numbers so I looked up the chemical with the chemspider ID of one, and I found some weird thing as if these numbers are almost picked at random. Is there any logic to this whatsoever or did some dude just randomly assign a bunch of chemicals to random numbers? submitted by /u/Aerodus_ [link] [comments]

Why only female anopheles spreads malaria and not the male one ? Posted: 20 Aug 2021 10:36 PM PDT submitted by /u/mat-notsocool-dude [link] [comments]

What determines the heat of combustion of a fuel (hydrocarbon)? Posted: 20 Aug 2021 12:07 PM PDT Why do some fuels release more energy when combusted than others? Is it something to do with oxidation state? H/C ratio? Bonds? submitted by /u/SRosenberg1088 [link] [comments]

Does the above ground temperature matter if you are 100m below ground? Posted: 20 Aug 2021 11:38 AM PDT Hypothetically, lets say I wanted to visit really really really deep under ground, like I visited a bunker 100m deep underground or something. Let's say there's no air ventilation, or there's no access from the bunker linking to the air above ground. What would the temperature of the bunker be? Would the temperature of the deep underground bunker be the same in a location where the above-ground surface temperature was -30degress, as it would be if the above ground surface temperature was 80degrees? submitted by /u/akaut [link] [comments]

Is there any particular reason why the Mojave is so different, terrain-wise, from a desert like the Sahara? Posted: 20 Aug 2021 05:03 PM PDT When you picture the Sahara you picture rolling sand dunes. When you picture the Mojave it's flat, dry plains. Why the difference? submitted by /u/Insertclever_name [link] [comments]

Why does vapour collect in irregular clusters in the sky(clouds) rather than just a solid even sheet? Posted: 20 Aug 2021 03:29 AM PDT submitted by /u/MrEnglishDude [link] [comments]

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Why can some meats (e.g beef) be eaten raw while others (chicken) need to be cooked?

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• Why can some meats (e.g beef) be eaten raw while others (chicken) need to be cooked?
• What is actually happening in the brain when we trip out on mushrooms or LSD?
• If a recently deceased human corpse is placed in the sun will it get sun burned?
• Why do teenagers need the covid-19 vaccine?
• Does anything have the opposite effect on vocal cords that helium does?
• Is there research that indicates that being vaccinated against the seasonal flu is effective in protecting other people who are immunocompromised?
• How does thinking about breathing turn it from an automatic to a conscious act?
• What makes one type or species of wood harder than another?
• If you are allergic to one vaccine are you likely allergic to all vaccines?
• How are permanent magnets formed?
• When you are nearing starvation, are you better off rationing food or eating more solid meals spread apart?
• How do different cells communicate with each other in an immune response ?
• Is playing dead taught or is it something species have evolved as a behavior?
• Does the immune system help fight bacteria along with antibiotics or do antibiotics do 100% of the 'work'?
• Is most melatonin produced synthetically?
• Are there any flammable non-newtonian fluids?
• Why are (human) atriums and ventricles separated?
• When incinerating a corpse is there any way for the police to know who the corpse belonged to?
• Why is Bismuth naturally Diamagnetic?

Why can some meats (e.g beef) be eaten raw while others (chicken) need to be cooked? Posted: 19 Aug 2021 06:58 PM PDT submitted by /u/Lechuga257 [link] [comments]

What is actually happening in the brain when we trip out on mushrooms or LSD? Posted: 19 Aug 2021 05:43 PM PDT submitted by /u/xanthopants [link] [comments]

If a recently deceased human corpse is placed in the sun will it get sun burned? Posted: 19 Aug 2021 02:47 PM PDT And if so when is the average cutoff time where the process of skin becoming sunburned will cease to take place? Edit: since there seems to be a lot of confusion not physically inside the sun but on earth in direct sunlight. submitted by /u/P_Dog_ [link] [comments]

Why do teenagers need the covid-19 vaccine? Posted: 20 Aug 2021 03:55 AM PDT Okay, hear me out and I'm sorry if wrong sub. Mom is anti-vax so all I get is it will shorten life expectancy. I've received a letter saying I can book my vaccine, I am eager to, however, it doesn't stop transmission and my mum says as a teenager I would not be ill with covid? I will probably still get the vaccine, but why is england mandating that teenagers get it? My government has also said herd immunity cannot be reached? I AM NOT ANTI VAX- I just would like this cleared up. I still want to get my vaccine because it makes life easier for me/others. Thank you for an award! Thought I'd add this I can't find the comment saying england isn't mandating for teenagers, sorry let me clear it up this is my fault. Yes it's being offered, however certain things are becoming (in September I believe) where you can't enter/go if you aren't vaccinated isn't that the rules, if I am wrong I apologise, I should have explained that properly. I don't want to be unable to do things as I'm not vaccinated. My bad that is me being misinformed ! Also, unsure if anyone cares, spoken to my dad, getting vaccinated next week. Thankyou for all the comments :) submitted by /u/throowayayvvvjwj [link] [comments]

Does anything have the opposite effect on vocal cords that helium does? Posted: 20 Aug 2021 07:30 AM PDT I don't know the science directly on how helium causes our voice to emit higher tones, however I was just curious if there was something that created the opposite effect, by resulting in our vocal cords emitting the lower tones. submitted by /u/Semitar1 [link] [comments]

Is there research that indicates that being vaccinated against the seasonal flu is effective in protecting other people who are immunocompromised? Posted: 20 Aug 2021 04:27 AM PDT Long story short, I found myself in on the cusp of an argument with someone over getting the seasonal flu shot. I mentioned I wanted to get a flu jab to help avoid the risk of potentially giving my mother, who is receiving chemotherapy, the seasonal flu. The other person said I was more likely to transmit the flu if vaccinated, as the vaccine would make me an asymptomatic spreader. Is there any basis to this argument? submitted by /u/Lammie1 [link] [comments]

How does thinking about breathing turn it from an automatic to a conscious act? Posted: 20 Aug 2021 07:28 AM PDT submitted by /u/The_noseless_Ginge [link] [comments]

What makes one type or species of wood harder than another? Posted: 19 Aug 2021 06:33 PM PDT On a cellular level, why are woods like oak, rock maple etc. so much harder than others like pine or cedar? Is it a different amount of lignin, or smaller cells packed tighter together? Do softer woods have thinner cell walls or weaker connections between the cells? submitted by /u/moldyjim [link] [comments]

If you are allergic to one vaccine are you likely allergic to all vaccines? Posted: 20 Aug 2021 04:29 AM PDT If I understand, there is a one on 760,000 chance someone will be allergic to the Covid 19 vaccine, which is why they ask you to wait. The CDC website also states if you have a severe reaction to the first shot, you shouldn't receive another. My question is, if someone had previously had a severe allergic reaction to a different vaccine, would their doctor recommend skipping all further vaccination, or just that vaccine in the future? What makes someone allergic to a vaccine, and if you were vaccinated with any in the passed and DIDN'T ever previously have a reaction, does that change the 760,000 to one odds in any way? submitted by /u/tmmzc85 [link] [comments]

How are permanent magnets formed? Posted: 19 Aug 2021 08:32 AM PDT Plus why do they lose their property on heating submitted by /u/Infinite-Bake9571 [link] [comments]

When you are nearing starvation, are you better off rationing food or eating more solid meals spread apart? Posted: 19 Aug 2021 09:59 PM PDT Watching the season finale of Alone and I always wonder about the common strategy of rationing food. If you have, say, ~5000 calories at your disposal, are you better off eating 1700 calories worth of meals for 3 days, then fasting for 4 days, or eating 700 calories worth of meals every day for 7 days, or 350 calories a day for 14 days, or does it not really matter - it's net calories that matter? submitted by /u/jns_reddit_already [link] [comments]

How do different cells communicate with each other in an immune response ? Posted: 20 Aug 2021 07:35 AM PDT submitted by /u/Infinite-Bake9571 [link] [comments]

Is playing dead taught or is it something species have evolved as a behavior? Posted: 20 Aug 2021 06:26 AM PDT submitted by /u/antonyei [link] [comments]

Does the immune system help fight bacteria along with antibiotics or do antibiotics do 100% of the 'work'? Posted: 19 Aug 2021 08:35 AM PDT submitted by /u/askgaybrosthrowaway3 [link] [comments]

Is most melatonin produced synthetically? Posted: 20 Aug 2021 03:19 AM PDT tldr: Are we still prying melatonin out of mammalian pineal glands and placing it in supplements or has this practice effectively ended? I think the risks associated with doing this are substantial, but there is poor oversight in some jurisdictions where melatonin is OTC, and I'm not sure what to believe about this. Melatonin is found in a bunch of places: certain plants contain it, it can be synthesized from tryptophan, and of course it is contained in the pineal glands of mammals. Apparently, some melatonin supplements are derived from the pineal glands of cattle. This is worrisome, there are all kinds of risks associated with consuming this kind of thing and among those risks is CJD, the most common prion disease in humans. What I would like to know is whether this is still a common practice, and if not, when exactly did we stop doing this? All I can find on this topic is a few vague statements in various places along the lines of "most melatonin is synthetic now," but this doesn't seem convincing to me. Adding to my skepticism is the fact that the quality among OTC melatonin supplements has been demonstrated to be terrible, with huge inconsistencies between stated dosages and actual dosages contained within the pills. I would not be surprised if all of the OTC melatonin continues to be produced in this very risky way given the very poor quality control. A convincing counterargument would be that synthetic melatonin is cheaper to produce than the animal-derived kind, but I have no way of estimating the margins either way here. HGH derived from cattle brains has caused CJD in children who were administered it. This is a very real risk with melatonin as well if it is still being produced non-synthetically, hence my question. I'm not really sure that this question has a definitive answer, nobody can speak for every single supplement out there, so I suppose I'm asking more about the likelihood that this practice is widespread. submitted by /u/anxiouspolygon [link] [comments]

Are there any flammable non-newtonian fluids? Posted: 19 Aug 2021 04:43 PM PDT submitted by /u/geethreefive [link] [comments]

Why are (human) atriums and ventricles separated? Posted: 20 Aug 2021 02:19 AM PDT I understand that a fish's two chambered heart is less efficient because oxygenated and deoxygenated blood mix, but in a human heart the left and right side pump blood in two independent systems. So why does our heart have four chambers and not just two left and right chambers? submitted by /u/glinterling [link] [comments]

When incinerating a corpse is there any way for the police to know who the corpse belonged to? Posted: 20 Aug 2021 04:16 AM PDT submitted by /u/karkko1 [link] [comments]

Why is Bismuth naturally Diamagnetic? Posted: 20 Aug 2021 03:53 AM PDT I know many elements are ferromagnetic like Iron, but how is Bismuth naturally Diamagnetic? Is it only diamagnetic as an ingot, or are it's crystals naturally diamagnetic as well? submitted by /u/DisreputableSquid [link] [comments]

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Will this new HIV vaccine Moderna is starting trials will be just for people without HIV or people already with HIV will also ve able to take it (in case it gets available), therefore ending daily medication?

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• Will this new HIV vaccine Moderna is starting trials will be just for people without HIV or people already with HIV will also ve able to take it (in case it gets available), therefore ending daily medication?
• what is it about coronavirus that we have to keep getting vaccine shots?
• Why are metals such good heat conductors?
• Do higher initial viral loads create a more severe infection?
• What’s magnesium role in the human body?
• Can we detect relative high ground-levels of radiation from Orbit? Would an Astronaut on the ISS holding a geiger-counter into the general direction of Earth when passing over Tschernobyl or Fukushima get a heightened response compared to the Amazon rainforest?
• Is lava flow laminar?
• What happens to the gut microbiome when a person fasts?
• Where does the carbon come from in 'green steel'?
• Its claimed that Delta virus affect young population and drives high hospitalization rate. What is the Delta variants severity broken down by age group? Is it published/reported by a legit group?
• Is there a correlation between the transmission of coronavirus and humidity in the air?
• What defines a "strong"/"weak" immune system ? . How does a "strong" immune system react compared to a "weak" one ? .
• why do type 1 diabetics experience hyperglycemia and hypoglycemia during and after exercise?
• Do subatomic particles (or atomic nucleii for that matter) have volume?
• Do 'booster' vaccines lose effectiveness with repetition?
• When and how do adenovirus vector vaccines end spike protein production?
• Can gold origin be traced by for example other low abundant minerals? If so, is it known where historically looted gold now? As examples gold from ancient Egyptian burial chambers or gold taken by conquistadors.
• Why do phase changes need a nucleation site?
• Is there a way to determine if a person is going to be symptomatic or asymptomatic to a Covid-19 (or for any virus to be more general) via a lab test?

Will this new HIV vaccine Moderna is starting trials will be just for people without HIV or people already with HIV will also ve able to take it (in case it gets available), therefore ending daily medication? Posted: 18 Aug 2021 10:37 AM PDT submitted by /u/PrecisodeOrientador [link] [comments]

what is it about coronavirus that we have to keep getting vaccine shots? Posted: 18 Aug 2021 10:13 AM PDT I hope this doesn't coming all "covid ain't real"-y. I had covid, I got my vaccine shots, I wear my mask n wash my hands all that stuff. but I am no scientist, and I'm curious what makes this virus so different from viruses such as polio tthat you only get a shot for once a lifetime, that we have to keep getting another shot for covid, a third or possibly a fourth in the future? is it the DNA, is it because it's a newer virus? submitted by /u/kaless_ [link] [comments]

Why are metals such good heat conductors? Posted: 19 Aug 2021 05:17 AM PDT My poor physics knowledge tells me that metals being good electrical conductors make sense. In high school we were taught that metals create lattices, in which the electrons are more or less free to move around and create a current (things like carbon also create lattices eg. diamonds but those are not conductive because the electron valence shells are very stable with 4 bonds). Same idea for why some metals can be magnetized, or why they glow when heated.. but why are they such good conductors of heat? If heat is measured as the 'jiggling' of atoms, then why should a solid piece of metal lattice conduct much heat at all? submitted by /u/nickoskal024 [link] [comments]

Do higher initial viral loads create a more severe infection? Posted: 18 Aug 2021 05:38 PM PDT Specifically for COVID. I read that this is the case somewhere. If so, how strongly correlated is it and is there a point where the initial viral load is so high that most people will die? submitted by /u/Comfortable_Tart_297 [link] [comments]

What’s magnesium role in the human body? Posted: 18 Aug 2021 09:04 PM PDT submitted by /u/Kebine [link] [comments]

Can we detect relative high ground-levels of radiation from Orbit? Would an Astronaut on the ISS holding a geiger-counter into the general direction of Earth when passing over Tschernobyl or Fukushima get a heightened response compared to the Amazon rainforest? Posted: 19 Aug 2021 06:34 AM PDT submitted by /u/Tank_AT [link] [comments]

Is lava flow laminar? Posted: 18 Aug 2021 09:22 PM PDT I came across this video, and the question popped in my mind, like a giant, red, burning and deadly pimple: https://youtu.be/a9yZQZ-QpLY submitted by /u/Magnus-Artifex [link] [comments]

What happens to the gut microbiome when a person fasts? Posted: 19 Aug 2021 02:22 AM PDT I heard that fasting causes some beneficial changes to body. Also, well developed gut microbiome seems to be an important part of healthy body. But how not eating for a few days might affect the microbiome? Will the gut bacteria die due to lack of food? Or will it decrease diversity? Or body has ways to keep the microbiome alive? Or maybe fasting related changes to the microbiome are beneficial as well? submitted by /u/Zolden [link] [comments]

Where does the carbon come from in 'green steel'? Posted: 19 Aug 2021 12:56 AM PDT I was reading this morning about green steel production (link), but I don't understand how fossil fuels can be completely eliminated. As I understand it, renewable sources and hydrogen can be used to heat the furnace, and hydrogen can be used instead of coal to reduce the iron oxide to iron (producing water instead of carbon dioxide). However, steel contains a few percent by mass of carbon, to provide its strength. Where does green steel get that from? submitted by /u/bobbiecowman [link] [comments]

Its claimed that Delta virus affect young population and drives high hospitalization rate. What is the Delta variants severity broken down by age group? Is it published/reported by a legit group? Posted: 18 Aug 2021 08:46 PM PDT submitted by /u/areyoucr4zy [link] [comments]

Is there a correlation between the transmission of coronavirus and humidity in the air? Posted: 18 Aug 2021 06:54 PM PDT With transmission being spread through droplets, would breathing humid air allow the virus attach to droplets in the air increasing its transmission rate? submitted by /u/ElevatedTreeMan [link] [comments]

What defines a "strong"/"weak" immune system ? . How does a "strong" immune system react compared to a "weak" one ? . Posted: 19 Aug 2021 02:52 AM PDT submitted by /u/darkshark235 [link] [comments]

why do type 1 diabetics experience hyperglycemia and hypoglycemia during and after exercise? Posted: 18 Aug 2021 01:51 PM PDT My current hypothesis is that it has something to do with hormone ratios but I have know idea how I would go about testing and correcting that if there is any way to do so? submitted by /u/emordnilapbackwords [link] [comments]

Do subatomic particles (or atomic nucleii for that matter) have volume? Posted: 18 Aug 2021 06:06 PM PDT submitted by /u/Codudeol [link] [comments]

Do 'booster' vaccines lose effectiveness with repetition? Posted: 19 Aug 2021 12:42 AM PDT Say we had to have covid vaccine boosters annually for many years, do we run the risk that each subsequent shot will become less effective? submitted by /u/GMN123 [link] [comments]

When and how do adenovirus vector vaccines end spike protein production? Posted: 18 Aug 2021 09:06 AM PDT I understand in the case of mRNA vaccines, the mRNA quickly degrades and spike protein production is halted. What stops adenovirus vaccines like J&J from perpetually producing the spike protein? submitted by /u/Faint_Floss [link] [comments]

Can gold origin be traced by for example other low abundant minerals? If so, is it known where historically looted gold now? As examples gold from ancient Egyptian burial chambers or gold taken by conquistadors. Posted: 18 Aug 2021 01:22 PM PDT submitted by /u/Quentrino [link] [comments]

Why do phase changes need a nucleation site? Posted: 18 Aug 2021 10:12 AM PDT Saw a GIF of a plastic bottle of water undergoing a rapid phase, I guess it was supercooled. I'm just wondering why a specific nucleation site is required for this to start and not just the first part to drop below 0 degC act as the 'starting point'. Cheers! submitted by /u/nuclearhatter [link] [comments]

Is there a way to determine if a person is going to be symptomatic or asymptomatic to a Covid-19 (or for any virus to be more general) via a lab test? Posted: 18 Aug 2021 11:19 PM PDT Would taking a blood and/or tissue sample from a person and infecting it with virus yield something that will be a good indicator as to whether that person will be symptomatic or asymptomatic to Covid-19 and other viruses? Or is being whether symptomatic or asymptomatic more systemic so you can't determine it by simply analyzing blood and/or tissue samples? If it works, how virus dependent would the procedure be? submitted by /u/TheEasternSky [link] [comments]

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