Is it even feasible to terraform mars without a magnetic field? |
- Is it even feasible to terraform mars without a magnetic field?
- If all of our solar system's planets are orbiting the Sun in approximately in the same plane, what portion of the Sun's energy goes "out of plane" away from all of the planets in our solar system?
- Is high/low IQ positively correlated with an increased likelihood of psychotic mental disorders, and if it is, why precisely?
- Does the original Covid-19 strain still exist and infect people or has the Delta variant taken over completely?
- How does the body know there is no antibody for an antigen?
- What happens to your immune system if you haven't been exposed to any viral infection for years?
- Excluding children, what percentage of people can't receive one of the Covid vaccines?
- Melting glaciers due to warming and climate change has uncovered relics and planes from world war 1. Does that mean glaciers were the same depth / height / thickness now as they were in WW1?
- What are the differences between viruses that we gain immunity from after natural infection and those we don't?
- Why does nuclear explosions causes rain? And can explosions from traditional explosives do the same?
- How is the two week threshold after a second dose of mRNA vaccine decided?
- Why must you wait 28 days after testing positive for covid before getting the vaccinne?
- Tetanus shot reducing severe covid?
- Has there been any study on the COVID death rate for those who take performance enhancing drugs?
- Why does Europa not have a significant magnetosphere if it has a molten iron core?
| Is it even feasible to terraform mars without a magnetic field? Posted: 05 Aug 2021 03:03 AM PDT I hear a lot about terraforming mars and just watched a video about how it would be easier to do it with the moon. But they seem to be leaving out one glaring problem as far as I know. You need a magnetic field so solar winds don't blow the atmosphere away. Without that I don't know why these discussions even exist. [link] [comments]  |
| Posted: 05 Aug 2021 05:34 AM PDT So the planets in our solar system are pretty close to having all of their elliptical orbits in a common plane ( I understand correctly, Mercury is the farthest out-of-plane about 7 degrees off of the ecliptic). It readily follows that some of the Sun's light ends up going out-of-plane from the 8 planets + Pluto. What portion of this energy coming off of the Sun ends up getting just blasted out into the void of space never to go near any of the planets of our solar system, or even anywhere near where they would be at any time in their orbits? [link] [comments]  |
| Posted: 04 Aug 2021 12:43 PM PDT Some sources state that IQ is positively correlated with psychosis, while other sources state that it's negatively correlated. Is the literature uncertain about this, or is there a schism within the scientific community regarding this topic? [link] [comments]  |
| Posted: 04 Aug 2021 09:49 AM PDT Just curious if the british and original virus still exist. [link] [comments]  |
| How does the body know there is no antibody for an antigen? Posted: 04 Aug 2021 06:56 PM PDT So I've been reading an immunology textbook and I have gathered that APCs bring antigens into the lymphatic system to present them to lymphocytes, and if there is no existing antibody then the process of generating random lymphocytes from stem cells is triggered. But how does the body know? I assume it can take time before an APC can bring an antigen to the correct lymphocyte (if there is one), so is there a timer or something when the body gives up trying to find a match? Or is it the buildup of one kind of antigen in the lymph nodes that triggers the process to create a new antibody? [link] [comments]  |
| What happens to your immune system if you haven't been exposed to any viral infection for years? Posted: 05 Aug 2021 06:43 AM PDT This is an example. But it's relevant to the time we've been living through with Covid because we've been at home a lot. Say you stay at home for a long time with virtually no human contact at all. (or none if you get your groceries delivered). What would happen to your immune system and how would it respond if you were faced with a virus? Would it have lost "memory" and forgot how to deal with said virus well? Would you be at a greater risk of being hospitalized by it? [link] [comments]  |
| Excluding children, what percentage of people can't receive one of the Covid vaccines? Posted: 04 Aug 2021 01:09 PM PDT |
| Posted: 04 Aug 2021 12:58 PM PDT I've read a few articles talking about how due to warming and changing climates that melting glaciers have revealed artifacts like aircraft from world war 1 that has been buried since then. My mind assumes that the glacial level must be the same today as it was in world war 1 in order to bury then melt the snow and ice on the plane when it crashed. That doesn't seem right though as I've also read glaciers are lower today then they have ever been, which to me says smaller than they were in WW1. I admittedly don't fully understand glacial science. Did things that hit a glacier in WW1 sink or somehow get deeper into said glacier due to shifting ice or something? [link] [comments]  |
| Posted: 04 Aug 2021 08:13 PM PDT As I understand it, after infection and recovery of any given illness the immune system is generally better equipped to deal with said pathogen if infection should reoccur - but why is there such variability in the extent to which the body gains immunity. For example, chickenpox is a very common illness that is sparsely recurrent whilst something like the flu, or the covid variants, seems to be commonly recurrent. [link] [comments]  |
| Why does nuclear explosions causes rain? And can explosions from traditional explosives do the same? Posted: 04 Aug 2021 03:26 PM PDT If big enough, can a non-nuclear bomb also cause rain? And what makes a nuclear explosion cause rain anyways? [link] [comments]  |
| How is the two week threshold after a second dose of mRNA vaccine decided? Posted: 04 Aug 2021 02:18 PM PDT In the trial data for Moderna, there's a comically apparent divergence between placebo and vaccinated groups 2 weeks after the first dose. It's less clear however what timescale the second dose makes a difference on, especially as it seems your existing immunity might speed up the response somewhat. Is that 2 weeks based on general understanding of the immune system, trial data, or just a cautious estimate? [link] [comments]  |
| Why must you wait 28 days after testing positive for covid before getting the vaccinne? Posted: 04 Aug 2021 12:47 PM PDT The current guidance in the UK is that you must wait 28 days to get ur vaccinne if you have tested positive and I'm just wondering whether there is a scientific reason for this? Also, would there be negative affects if an asymptomatic (but covid positive) person gets vaccinated? [link] [comments]  |
| Tetanus shot reducing severe covid? Posted: 04 Aug 2021 08:48 AM PDT I recently stepped on an old nail outside working and had to receive a tetanus shot at the hospital. So I started researching and found this article https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7695568/ It speculates that tetanus vaccination contributes to the reduced severity of covid-19. Just curious if any truth to this? [link] [comments]  |
| Has there been any study on the COVID death rate for those who take performance enhancing drugs? Posted: 04 Aug 2021 11:48 AM PDT Basically the title. I'm wondering if those on PED's are at a higher risk of death from COVID. I'm not on them, but several buddies of mine are. I've seen several risk factor study's on obesity, smoking, age, but never one for this. Would love to have some research linked below, I've looked and seem unable to find any. [link] [comments]  |
| Why does Europa not have a significant magnetosphere if it has a molten iron core? Posted: 03 Aug 2021 11:02 PM PDT Given that Earth's magnetosphere is mostly attributed to its molten core, why is it said that Europa does not have one when we also think it has a molten core? [link] [comments]  |
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