Does electricity pass through a magnetised substance in the same way as through an unmagnetised? |
- Does electricity pass through a magnetised substance in the same way as through an unmagnetised?
- Are there visible "clouds" in space?
- Are near earth asteroids mostly metallic or rocky?
- Why aren't people with alopecia universalis deaf?
- Does each country have their own 'Delta' variant or has that particular mutation spread to all of those countries?
- What cause hepatitis C to mutate so rapidly and often?
- Are there any studies on the long-term effects of different diets on the brain?
- If you have asymptomatic Covid-19 can your lungs still get damaged?
- I understand how visible light images are captured with a lens and 2D array of sensors, but not sure how radio telescopes create images. Is it just a single radiowave-sensitive sensor that is scanned across the sky to form a 2D image?
- Is the long-term risk of vaginal prolapse dependent on the # of children you have or just the number of times you've given birth?
- Why does time symmetry imply conservation of energy?
- How did we do the CVOID PCR after its first appearance?
- How did the United States so greatly lower the occurrence of tuberculosis?
- How do whales make whale song?
- So how/why do atoms lose mass during fusion?
- Why are vaccines easier to develop than treatments?
- What would be the differences between regular Covid-19 vaccines and the ones for young kids?
- How does Natural Gas infrastructure prevent collateral explosion?
- How do scientists formed the pangea theory, and how can they tell what continents formed and when?
- What causes penicillin allergy?
| Does electricity pass through a magnetised substance in the same way as through an unmagnetised? Posted: 31 Aug 2021 06:56 AM PDT |
| Are there visible "clouds" in space? Posted: 31 Aug 2021 07:15 AM PDT I've recently played the game Star Citizen and was quite confused that there are actually cloud-like structures in space. I thought they would not exist in reality so I searched the internet for answers. But couldn't find any. I know, it's a game. So it might just be a fantasy element. But I also know that there are tons of gases in space, which can take up a lot of space. But can you actually see them? I've seen pictures of nebulas as well but if I understand it correctly, you can only see them with some color correction or something? Can someone help me understand this please? [link] [comments]  |
| Are near earth asteroids mostly metallic or rocky? Posted: 31 Aug 2021 08:51 AM PDT And would it make sense to capture them when they swing by us? [link] [comments]  |
| Why aren't people with alopecia universalis deaf? Posted: 31 Aug 2021 06:45 AM PDT So I know basic information about alopecia and being deaf so maybe my question is bizarre. I always thought that humans ability to hear came from little hairs inside your ear that vibrated.. then blah blah your brain does magic and you can hear. At the same time I thought people with alopecia universalis have completely lost the ability to grow hair. I think you can see where I'm going with this. If you can't grow hair in your ears for sound to vibrate. How do people with alopecia hear? [link] [comments]  |
| Posted: 31 Aug 2021 06:31 AM PDT Wouldn't the virus also mutate independently everywhere and mutate into different variants in multiple directions simultaneously? [link] [comments]  |
| What cause hepatitis C to mutate so rapidly and often? Posted: 31 Aug 2021 01:31 AM PDT I've heard that the reason there's no vaccine for hepatitis C is because, unlike A and B, hepatitis C mutates far too often and rapidly. What exactly dictates this in a virus? Is it the same process across all viruses? [link] [comments]  |
| Are there any studies on the long-term effects of different diets on the brain? Posted: 30 Aug 2021 12:18 PM PDT So I've seen studies that show that the brain is very sensitive to the quality of food we consume, but all of these showed brain function after one breakfast. But, are there any studies that look into these effects long term. More specifically the effects of Veganism, Paleo and other diets on the function and growth of the brain? [link] [comments]  |
| If you have asymptomatic Covid-19 can your lungs still get damaged? Posted: 30 Aug 2021 11:14 AM PDT |
| Posted: 30 Aug 2021 12:37 PM PDT |
| Posted: 30 Aug 2021 12:25 PM PDT I always wondered if twins/triples increased the risk of this as you age or if each "one shot" of being in labor is the main contributing factor? [link] [comments]  |
| Why does time symmetry imply conservation of energy? Posted: 30 Aug 2021 07:06 AM PDT I've been getting into relativity and QM and i was just wondering why Noether's theorem says that symmetry accross time implies energy is conserved? I get that symmetry across space conserves momentum, and symmetry of rotation conserves angular momentum (and i think symmetry of phase is what causes conservation of charge?? Please correct me on that), but why does time relate to energy? Is it to do with work done? Please help! [link] [comments]  |
| How did we do the CVOID PCR after its first appearance? Posted: 31 Aug 2021 01:26 AM PDT I recently learned about the PCR testing and its idea of using primers to replicate the DNA or RNA. By this I assume that we need to know the sequencing of the DNA to make our primers. If that is true; then how did we do the COVID PCR in the early days of the pandemic? Is it possible to do the sequencing on a sample without amplifying it first with PCR? [link] [comments]  |
| How did the United States so greatly lower the occurrence of tuberculosis? Posted: 30 Aug 2021 11:19 AM PDT I hope this is a good place to ask this. Some antivaxxer started arguing recently about how the US isn't discussing how many tuberculosis kills a year. I know the numbers they quoted were skewed, but I got curious about how the US brought the disease to a near-stop. It's not common for infants without risk factors to be vaccinated against it, so I'm not quite sure how we got here. I did a little reading through the CDC, PBS, and the American Lung Association, but I can't seem to find specifics. Again, sorry if this doesn't belong here. I figured I might be able to get a good answer from people who closely study science. [link] [comments]  |
| How do whales make whale song? Posted: 30 Aug 2021 12:03 PM PDT |
| So how/why do atoms lose mass during fusion? Posted: 30 Aug 2021 07:29 AM PDT I think I understand fhis so far. When two atoms fuse, they become a heavier atom but then the subatomic particles lose mass? And this has something to do with achieving a more stable state? And when the mass is released, it becomes energy? Beyond that though I am incredibly confused. [link] [comments]  |
| Why are vaccines easier to develop than treatments? Posted: 30 Aug 2021 07:22 PM PDT It seems like developing vaccines for various diseases is much easier than developing treatments for them. For example, we have several incredible COVID-19 vaccines yet we still have no effective treatments other than immunosuppressant steroids such as Dexamethasone. Same applies to many other diseases. First, am I correct in my assumption that it's generally easier to develop prophylactic vaccines versus post-exposure treatments? Second, if this assumption is correct, why is this so? While we have antibiotics, we still don't have any broad-spectrum antiviral medication to prevent viral replication after exposure. Is this class of medication even possible, when designer molecules like Remdesivir aren't generating very promising results? Are vaccines easier to develop because the only purpose is to present an antigen to our immune system (thus our immune system does most of the heavy lifting)? Or is it because more funding goes into prophylaxis? I know HIV is a bit of an exception—it seems like developing a vaccine for it is extremely difficult yet we have both post-exposure medication and medication that suppress HIV viral load in positive patients to undetectable levels. But still, this is no cure, as the patient has to continue taking these pills for the rest of their life. Is the future optimistic for anti-viral medication? Are broad-spectrum anti-viral treatments on the horizon, or are we making almost no progress in this area? Could genetic engineering maybe play a role in this (synthetic t-cells)? [link] [comments]  |
| What would be the differences between regular Covid-19 vaccines and the ones for young kids? Posted: 30 Aug 2021 04:54 PM PDT I saw another post about a covid vaccine for kids possibly being ready by December. Are there substantial differences between what adults and children would be given? What would the effects be if say for example, a 9 year old got the regular vaccine? [link] [comments]  |
| How does Natural Gas infrastructure prevent collateral explosion? Posted: 30 Aug 2021 10:01 AM PDT Hey folks, I was watching the simpsons of all things (19-10 e pluribus wiggum for reference) where (briefly) Homer throws a lit match away and it causes the entire block to explode in a natural gas catastrophe. Obviously this is for comedic effect, but what engineering is in place to stop this or a similar situation from actually happening? Thanks in advance! [link] [comments]  |
| How do scientists formed the pangea theory, and how can they tell what continents formed and when? Posted: 30 Aug 2021 03:51 AM PDT Watching lots of evolution related YouTube channels and this really interests me, thanks in advance! [link] [comments]  |
| What causes penicillin allergy? Posted: 30 Aug 2021 11:12 AM PDT Is it known what protein / cell / antigen the drug interacts with and causes the allergic response to be triggered? Why are there only some classes of drugs that cause it and not others? And do those drugs have any similarities either structurally or are substrates for similar targets? [link] [comments]  |
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