AskScience Panel of Scientists XXIII |
- AskScience Panel of Scientists XXIII
- I saw on John Oliver that the WHO visited a billion houses in their effort to eradicate Smallpox. Is this possible? I can’t find any sources.
- What's the difference between the Moderna and Pfizer Covid vaccines?
- With the new protein fold predicting AI in the news; are there 2 proteins with identical amino acid sequences but different structures that have fundamentally different enzymatic activity or function in the cell?
- How do we know that Covid-19 vaccines won't teach our immune system to attack our own ACE2 enzymes?
- When you hear about a space craft “slingshotting” off of a planet, does that really increase speed? Wouldn’t the craft just slow down again as it moves away from the planet?
- Does memory optimization contribute to the speed of GPUs?
- Can conjoined twins have different blood pressures?
- Are the oceans full of extracellular exoenzymes/proteins that act outside of the cell?
- How do foreign parasites (like tape worms) block the body's immune system from registering it as a foreign object and why can't we mimic it for medical purposes?
- Are there any insects with a nervous system or something resembling a nervous system?
- Since Covid-19 can cause heart and neurological problems, could other corona viruses (or common cold bugs) cause similar damage?
- What would the FDA approval process look like if the SARS-CoV-2 virus mutated and the mRNA vaccine candidates had to be updated with a slightly different genetic sequence?
- Enigma machines - Without the flaw that a letter would never encode itself, would it have been breakable with the technology of the time?
- Will countries have to use the same coronavirus vaccine for it to be effective, or does having more than one vaccine increase their effectiveness?
- Why are siderophores (and enterobactin in particular) so specific to iron?
- Is it possible to still get post COVID syndrome even after being vaccinated?
- How does insulation work?
- In theory, can individual photons, under ideal conditions, get pulled into a stable orbit around a massive object?
- Why does Rosalind Franklin’s Photograph 51 look the way it does?
- Why does an oasis in a desert not just evaporate?
- Does a stronger immune system transmit a weaker virus ?
| AskScience Panel of Scientists XXIII Posted: 23 Jul 2020 01:31 PM PDT Please read this entire post carefully and format your application appropriately. This post is for new panelist recruitment! The previous one is here. The panel is an informal group of redditors who are either professional scientists or those in training to become so. All panelists have at least a graduate-level familiarity within their declared field of expertise and answer questions from related areas of study. A panelist's expertise is summarized in a color-coded AskScience flair. Membership in the panel comes with access to a panelist subreddit. It is a place for panelists to interact with each other, voice concerns to the moderators, and where the moderators make announcements to the whole panel. It's a good place to network with people who share your interests! You are eligible to join the panel if you:
Instructions for formatting your panelist application:
Ideally, these comments should clearly indicate your fluency in the fundamentals of your discipline as well as your expertise. We favor comments that contain citations so we can assess its correctness without specific domain knowledge. Here's an example application: Please do not give us personally identifiable information and please follow the template. We're not going to do real-life background checks - we're just asking for reddit's best behavior. However, several moderators are tasked with monitoring panelist activity, and your credentials will be checked against the academic content of your posts on a continuing basis. You can submit your application by replying to this post. [link] [comments]  |
| Posted: 30 Nov 2020 01:40 PM PST A billion houses is such a staggering number, I don't know how that's even logistically or scientifically possible. [link] [comments]  |
| What's the difference between the Moderna and Pfizer Covid vaccines? Posted: 30 Nov 2020 06:55 PM PST They seem to be very similar in how they were created, yet one needs a much lower storage temperature and the other has a 4 week gap between doses instead of 3 weeks. What gives? [link] [comments]  |
| Posted: 01 Dec 2020 07:54 AM PST With the news of the new DeepMind AI that can accurately predict the 3D-structure of a protein; this got me pondering about environmental factors that influence protein structure (e.g: Salinity, pH, Temperature, etc). Are there examples of proteins with identical amino acid sequences but have a different 3D-structure and therefore the protein acts entirely differently? i.e: A protein in x-conformation acts as a Kinase in one environment but in y-conformation in another environment it acts as a carboxylase. Are these a result of specialized chaperonins? I don't necessarily mean a protein that exists in both forms in the same organism, but also 2 different organisms and 2 different functions. Any examples would be amazing. [link] [comments]  |
| How do we know that Covid-19 vaccines won't teach our immune system to attack our own ACE2 enzymes? Posted: 01 Dec 2020 07:48 AM PST Is there a risk here for developing an autoimmune disorder where we teach our bodies to target molecules that fit our ACE2 receptors, and inadvertently, this creates some cascade which leads to a cycle of really high blood pressure/ immune system inflammation? Are the coronavirus spikes different enough from our innate enzymes that this risk is really low? [link] [comments]  |
| Posted: 01 Dec 2020 03:05 AM PST |
| Does memory optimization contribute to the speed of GPUs? Posted: 01 Dec 2020 04:23 AM PST I was just wondering if massively parallel computation was the only contributing factor to the speed of GPU processing, or if better memory optimization (compared to CPUs) also contributes to its speed? [link] [comments]  |
| Can conjoined twins have different blood pressures? Posted: 01 Dec 2020 12:30 AM PST If you have conjoined twins and each one has their own heart, can the blood pressures be different? If one twin becomes hypertensive, do they both suffer the symptoms or diseases as a result? [link] [comments]  |
| Are the oceans full of extracellular exoenzymes/proteins that act outside of the cell? Posted: 30 Nov 2020 08:54 PM PST If so, what are the most common exoenzymes/proteins? Can we introduce one that degrades all the microplastics in the oceans? [link] [comments]  |
| Posted: 30 Nov 2020 01:19 PM PST |
| Are there any insects with a nervous system or something resembling a nervous system? Posted: 30 Nov 2020 10:55 PM PST Additionally, does their circuitry resemble our own enough that they might be able to feel sensations or pain similarly to how we do? [link] [comments]  |
| Posted: 30 Nov 2020 04:15 PM PST Is Covid-19 that different? Or are we more focused on the affects? [link] [comments]  |
| Posted: 30 Nov 2020 01:51 PM PST |
| Posted: 01 Dec 2020 12:33 AM PST Just as the text says :) They had that very strong flaw - a letter or number would NEVER encode into itself - that allowed easy cribs and tests of solutions. Without it, was it possible with the technology and knowledge of the time? Also: What if we stipulate the technology of WW2 but with MODERN knowledge? Also: how easy it is to break it with say a modern PC, but without that flaw? Also: with MODERN knowledge and technology of that time, would it be possible to make a sort of enigma that would be unbreakable (or very close to it) even with modern technology? How would that look like? Note: you may assume the crackers HAD access to one such machine and understood how it worked. Eventually they got one. But for bonus points: they started by figuring it out from first principles, without having one. You can also comment on how much harder it would be to understand how it worked without that flaw, or if that made much of a difference. [link] [comments]  |
| Posted: 30 Nov 2020 04:48 PM PST |
| Why are siderophores (and enterobactin in particular) so specific to iron? Posted: 30 Nov 2020 06:38 PM PST In biology we learn that iron is a very important metal in biological processes, and bacteria have evolved ways of capturing these molecules through siderophores. However, I have no found any reason as to why siderophores are so great at capturing Fe(III) besides the casual "Fe(III) is a Lewis acid, and it reacts to a strong Lewis base" or something along those lines. So I want to ask, what is the chemistry basis for such a thing, and why do they not bind as strongly to a row II metal like Ru(III) which is also directly underneath iron? [link] [comments]  |
| Is it possible to still get post COVID syndrome even after being vaccinated? Posted: 30 Nov 2020 11:24 PM PST Hi, I just saw a news segment, in which a scientist described how the mRNA vaccine protects from getting sick (meaning symptomatic?), but that they don't know, whether it protects from being infected or being infectious, hence the continuous need to wear masks for a while. Since many people, who had mild or no symptoms, are now experiencing post COVID syndrome, is it possible that one gets infected while being vaccinated and months later the symptoms like lung/ brain/ heart damage appear? Or do we just have to wait and see? [link] [comments]  |
| Posted: 30 Nov 2020 09:43 PM PST Like how does it slow kinetic energy from leaving a room. [link] [comments]  |
| Posted: 30 Nov 2020 06:07 PM PST |
| Why does Rosalind Franklin’s Photograph 51 look the way it does? Posted: 30 Nov 2020 06:43 PM PST The image seems so far off from what DNA is actually supposed to look like. I know the St. Andrew's cross in the middle is meant to be the indicator of the double helix, and the dark patches on the top and bottom are the nitrogenous bases, but isn't that the opposite of what DNA is? Wouldn't it make more sense if the bases were on the inside? Or am I missing something about the X-ray crystallography technique? Thanks so much for your help! [link] [comments]  |
| Why does an oasis in a desert not just evaporate? Posted: 30 Nov 2020 01:19 PM PST |
| Does a stronger immune system transmit a weaker virus ? Posted: 30 Nov 2020 04:49 PM PST Is there any difference between the strength of a virus that is transmitted from an individual with a stronger immune system, compared to the strength of "the same" virus that is transmitted from an individual with a weaker immune system ? And, is there any difference between the strength of a virus that is transmitted from an individual with mild symptoms, compared to the strength of "the same" virus that is transmitted from an individual with severe symptoms ? [link] [comments]  |
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