How did people manage diabetes before modern medicine? |
- How did people manage diabetes before modern medicine?
- How can Rabies still exist and be as prevalent as it is, if it's lethality is 99.99% and it's disease cycle is relatively short?
- Is there any recorded instances of a virus making itself less lethal/more survivable specifically to increase contagiousness?
- At what altitude/air density does the space shuttle produce a sonic boom during re-entry?
- What causes the arm soreness after COVID-19 vaccination?
- Is it trure that a vaccine will not work in people with immunodeficiency disorders like HIV, diabetes, CVID etc?
- How do you conduct vaccine trials for lesser known but dangerous diseases like Rabies?
- Is a person subjected to more ionizing radiation while standing at a magnetic pole on earth than at the equator?
- How much more efficient would solar cells need to be, before we could power a car with solar, utilizing only the surface area of the car itself?
- Do mRNA vaccines contain tRNA to assist in protein synthesis?
- How to insects grow hair/fuzz when they have a hard exoskeleton?
- How does the Immune System *know* which bodies to attack?
- How advanced was cancer treatment in the early to mid 1900s?
- Does having children implies longer life expectancy?
- Is there a difference to the plants in a lawn/yard between cutting them with a blade (like a scythe or reel mower) vs a velocity machine (weed wacker or motored mower)?
- What causes myopia in adults?
- Can someone help answer this weird math fahrenheit/celcius conversion thing i thought of a few minutes ago and now cant sleep?
- When a photon is blocked by a filter, say, a polarized filter, what happens to those blocked? Are they reflected or?
- Why is it theoretically impossible to extract energy from a system with no heat differential?
- What causes a canker sore?
| How did people manage diabetes before modern medicine? Posted: 08 Jun 2021 08:00 PM PDT |
| Posted: 07 Jun 2021 05:00 PM PDT |
| Posted: 08 Jun 2021 05:04 AM PDT |
| At what altitude/air density does the space shuttle produce a sonic boom during re-entry? Posted: 07 Jun 2021 10:48 PM PDT The shuttle enters the atmosphere at supersonic speed but obviously doesn't create a sonic boom with the first air molecule it encounters. I assume there has to be a certain air density for this to happen. Where in altitude does this happen and is it also dependent on humidity. I am interested in the science of what conditions allow a sonic boom to happen. [link] [comments]  |
| What causes the arm soreness after COVID-19 vaccination? Posted: 07 Jun 2021 08:17 AM PDT |
| Posted: 08 Jun 2021 02:03 AM PDT Immunity makes the antibodies against the material in vaccines so what about immunocompromised people. [link] [comments]  |
| How do you conduct vaccine trials for lesser known but dangerous diseases like Rabies? Posted: 07 Jun 2021 06:53 PM PDT Reading everything about the Covid vaccines, I know there are generally three to four trials before a vaccine is approved. In the case of Covid, I suppose one reason the vaccine could be developed so quickly was because hundreds of thousands of people were being affected by the disease everyday. It was therefore slightly easier to conduct trials and get safety and efficacy data quite quickly. But what about diseases like rabies?
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| Posted: 07 Jun 2021 07:51 PM PDT The magnetic field expands outward in a loop from the north as south magnetic poles. It's my understanding that the magnetic field protects us from solar radiation (although does result in a problem in its own right from the van Allen belts here or why we can't walk around on Europa for example). Does the magnetic field or ionizing radiation from the belts somehow concentrate around the magnetic poles to cause DNA damage? Would a person be subjected to direct solar radiation at these places? The internet is giving me too much junk and I'm just trying to figure out an answer. [link] [comments]  |
| Posted: 07 Jun 2021 03:00 PM PDT Now, I imagine you would need to take I to account lots of other details such as all the other components in the system. However, to keep this question somewhat straightforward, let's mainly look at the specific limitation of the solar cells. [link] [comments]  |
| Do mRNA vaccines contain tRNA to assist in protein synthesis? Posted: 07 Jun 2021 04:23 PM PDT I can't seem to find anything about this online. If protein synthesis requires tRNA to carry the amino acids to the ribosome complex, does this mean vaccines that rely on mRNA contain tRNA too? How does the ribosome get the amino acids when translating the COVID-19 vaccine mRNA into the spike protein? Any help on this is appreciated. Thanks! [link] [comments]  |
| How to insects grow hair/fuzz when they have a hard exoskeleton? Posted: 07 Jun 2021 02:40 PM PDT My friends and I are having a discussion about how insects like caterpillars and ants have hair (or at least a fuzz). Since these bugs have exoskeletons, how does the hair grow through it? Does the hair even grow through it or does the exoskeleton have pores like our skin? Thanks for the help :) [link] [comments]  |
| How does the Immune System *know* which bodies to attack? Posted: 07 Jun 2021 01:00 PM PDT |
| How advanced was cancer treatment in the early to mid 1900s? Posted: 07 Jun 2021 02:07 PM PDT The reason I ask is that I always thought it was more or less a death sentence (except for the more minor ones, such as basal cell) until around the 1980s. I was reading an article on the oldest living person though and it said that she survived pancreatic cancer in the 1940s, which I thought was WAY before they could even come close to treating a cancer such as that. Pancreatic cancer only has a 10% five year survival rate nowadays as it is, so I really don't get it. [link] [comments]  |
| Does having children implies longer life expectancy? Posted: 08 Jun 2021 04:35 AM PDT Hello I once heard an academic claiming that there were studies about people with children and longer life expectancy/better health condition or something like that. Is this really a thing? Are there trustable studies about this topic? [link] [comments]  |
| Posted: 07 Jun 2021 02:46 PM PDT Does it affect the health of the lawn/the plants in the lawn? Is one method better or worse? [link] [comments]  |
| Posted: 08 Jun 2021 12:22 AM PDT I am in mid twenties and my eye sight started worsening 3 years ago. I was wondering if I am doing something wrong. Is there something that triggers myopia? Like work that involves looking close or lack of sunlight? [link] [comments]  |
| Posted: 08 Jun 2021 04:49 AM PDT If you plus 32 with 32 you get 64°f (equivalent to 17°c) but when you plus 0°c with 0°c its an as you would expect 0°c. And some people multiply it to get the same answer. Well what would happen if you were to divide that 32 temperature by 32? You would get 1°f (equivalent to -17°c). And then if you do the coversion stuff and use the same thing on celcius units it would be 0°c divided by 0°c. isnt it mathematically and scientifically impossible for anything to be divisible by 0? What happens here? I know my calculator doesnt like this so can a big brain explain? Dont ask why i have this question it just popped into my head and i dont need sleep i need answers. Its like late at night dont bully me [link] [comments]  |
| Posted: 07 Jun 2021 09:34 AM PDT Thought of this when thinking about the whole Bell's theorem thingy. [link] [comments]  |
| Why is it theoretically impossible to extract energy from a system with no heat differential? Posted: 07 Jun 2021 12:46 PM PDT In reading more about the second law of thermodynamics there are some points I keep sticking on that just don't follow logically for me. Namely: "It is impossible to construct a device that produces no other effect than transfer of heat from lower temperature body to higher temperature body" Or: "A transformation whose only final result is to convert heat, extracted from a source at constant temperature, into work, is impossible." The second law states that entropy has to increase. I get that. But I don't think either of these necessarily violate that rule. Can I get some high level explanation on why these violate some physics? [link] [comments]  |
| Posted: 06 Jun 2021 10:56 PM PDT |
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