Could an identical twin who recovered from an infection donate some of their T-cells to the other twin as a form of vaccine?

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• Could an identical twin who recovered from an infection donate some of their T-cells to the other twin as a form of vaccine?
• If silver is cheaper than gold and also conducts electricity better why do major companies prefer to use gold conductors in computing units?
• After eating spicy food, why does drinking milk sometimes ease the spice more than drinking water?
• Does obesity have any significant effect on ovulation?
• What are the rates of false positives and false negatives with the different varieties of COVID testing?
• Ask Anything Wednesday - Engineering, Mathematics, Computer Science
• Why aren't we using high resolution, streaming cameras coupled with neural networks to identify drops in the stars' light levels to locate potential Near Earth Objects?
• How does the immune system knows what cells are "native" from one's that are "foreign"?
• Does the evidence so far indicate that SARS-CoV-2 causes brain infections at a greater rate or with greater severity than common viruses like seasonal influenza or HSV-1?
• How do zero g planes create weightlessness and hyper gravity?
• Is Zipf's law and Benford's law just essentially the same thing? Basically the 80/20 rule? What makes them different?
• Could cancer of an identical twin be contagious to the other twin?
• Why don't the T-Cells of a blood donor attack the recipient?
• Why do whales explode?
• I read that 2000-year-old seeds were germinated in Israel. I'll link the article. I'm wondering why don't seeds decay as all other things do?
• What would happen ecologically/environmentally if we were to somehow eradicate all mosquitoes?
• Why does adding a small amount of water to a powdered substance allow it to fully wet or dissolve, but adding a large quantity of water at once causes lumps to form?

Could an identical twin who recovered from an infection donate some of their T-cells to the other twin as a form of vaccine? Posted: 25 Aug 2020 04:07 PM PDT Could this work with any two people? I assume it would work best with identical twins since their lymphocytes would be genetically identical. submitted by /u/frisbeedog1 [link] [comments]

If silver is cheaper than gold and also conducts electricity better why do major companies prefer to use gold conductors in computing units? Posted: 26 Aug 2020 03:35 AM PDT submitted by /u/ShvoogieCookie [link] [comments]

After eating spicy food, why does drinking milk sometimes ease the spice more than drinking water? Posted: 26 Aug 2020 05:36 AM PDT submitted by /u/wrrise [link] [comments]

Does obesity have any significant effect on ovulation? Posted: 26 Aug 2020 03:33 AM PDT submitted by /u/gdjhsfj [link] [comments]

What are the rates of false positives and false negatives with the different varieties of COVID testing? Posted: 25 Aug 2020 09:58 PM PDT Hearing about the NFL and their 70+ false positives last weekend got me thinking about this and the data is surprisingly hard to find online. Many people discuss the relative effectiveness of these tests, but there's very little in the way of hard data. Considering that, percentage wise, a relatively tiny section of the population has COVID (just 0.22% in my county of LA, a hotspot), the prosecutor's fallacy shows that even with equivalent false negative and false positive rates, there'd be many more false positives than false negatives. Furthermore, how do we know that these "asymptomatic cases" are not just false positive tests? submitted by /u/ThePoshMushroom [link] [comments]

Ask Anything Wednesday - Engineering, Mathematics, Computer Science Posted: 26 Aug 2020 08:09 AM PDT Welcome to our weekly feature, Ask Anything Wednesday - this week we are focusing on Engineering, Mathematics, Computer Science Do you have a question within these topics you weren't sure was worth submitting? Is something a bit too speculative for a typical /r/AskScience post? No question is too big or small for AAW. In this thread you can ask any science-related question! Things like: "What would happen if...", "How will the future...", "If all the rules for 'X' were different...", "Why does my...". Asking Questions: Please post your question as a top-level response to this, and our team of panellists will be here to answer and discuss your questions. The other topic areas will appear in future Ask Anything Wednesdays, so if you have other questions not covered by this weeks theme please either hold on to it until those topics come around, or go and post over in our sister subreddit /r/AskScienceDiscussion , where every day is Ask Anything Wednesday! Off-theme questions in this post will be removed to try and keep the thread a manageable size for both our readers and panellists. Answering Questions: Please only answer a posted question if you are an expert in the field. The full guidelines for posting responses in AskScience can be found here. In short, this is a moderated subreddit, and responses which do not meet our quality guidelines will be removed. Remember, peer reviewed sources are always appreciated, and anecdotes are absolutely not appropriate. In general if your answer begins with 'I think', or 'I've heard', then it's not suitable for /r/AskScience. If you would like to become a member of the AskScience panel, please refer to the information provided here. Past AskAnythingWednesday posts can be found here. Ask away! submitted by /u/AutoModerator [link] [comments]

Why aren't we using high resolution, streaming cameras coupled with neural networks to identify drops in the stars' light levels to locate potential Near Earth Objects? Posted: 26 Aug 2020 01:22 AM PDT Or, if we already are doing that to locate threatening asteroids, doe anyone have a good source to read? submitted by /u/firefeng [link] [comments]

How does the immune system knows what cells are "native" from one's that are "foreign"? Posted: 26 Aug 2020 05:32 AM PDT I understand that immune responses are triggered by bacteria and other foreign organisms, but how can the immune system know that a certain liver cell foreign or not? I also understand that in case of blood there's the whole ABO Rh system, but how does it work for things like liver, heart and kidneys ? submitted by /u/jpsacheti [link] [comments]

Does the evidence so far indicate that SARS-CoV-2 causes brain infections at a greater rate or with greater severity than common viruses like seasonal influenza or HSV-1? Posted: 25 Aug 2020 06:18 PM PDT Throughout the pandemic there have been a few clinical reports of neurological involvement in SARS-CoV-2 infections. https://jamanetwork.com/journals/jamaneurology/fullarticle/2764549 It has recently been shown that SARS-CoV-2 can infect human brain tissue. https://www.nature.com/articles/s41422-020-0390-x Does the evidence so far indicate that SARS-CoV-2 causes brain infections at a greater rate or with greater severity than seasonal influenza or HSV-1? submitted by /u/roboscrivener [link] [comments]

How do zero g planes create weightlessness and hyper gravity? Posted: 25 Aug 2020 03:08 PM PDT So I understand that zero G planes go in parabolas with specific trajectories that can simulate zero g and gravities of celestial bodies like mars but I do not understand how going up the parabola causes hyper gravity and coming down causes micro g or zero g. I am essentially asking for an explanation on how coming down the parabola causes weightlessness and going up causes hyper g. submitted by /u/sasanmounani [link] [comments]

Is Zipf's law and Benford's law just essentially the same thing? Basically the 80/20 rule? What makes them different? Posted: 25 Aug 2020 08:09 PM PDT Idk how to flair this bc it feels like it applies to... Everything? Learned about Benford's law today, which just sounds like zipfs law to me but different a bit. Like yes there's only 10 digits but if you converted into base 16 or base whatever it would follow Benford's law too in that base, right? And in that case it's just Zipf's law all over again. Right? Is there any research about converting numbers in nature to different number bases and seeing if they still follow Benford's law? Anything weird in any number bases? Any prime weirdness? But really I love this stuff, it makes me feel high or something when I'm 100% sober cause it feel just so mind-blowing to me. If you have any more info or references this stuff is seriously so exciting to me please give me more to read! submitted by /u/Julyaugustusc [link] [comments]

Could cancer of an identical twin be contagious to the other twin? Posted: 25 Aug 2020 10:32 PM PDT If one identical twin had cancer could their twin contract it from them? submitted by /u/selfservice0 [link] [comments]

Why don't the T-Cells of a blood donor attack the recipient? Posted: 25 Aug 2020 05:48 PM PDT I saw in an earlier post that T-Cells can attack an incompatible recipient causing "Graft Versus Host Disease." Do they remove the cells before transfusion? submitted by /u/masterb666 [link] [comments]

Why do whales explode? Posted: 25 Aug 2020 01:05 AM PDT submitted by /u/fushii_immo [link] [comments]

I read that 2000-year-old seeds were germinated in Israel. I'll link the article. I'm wondering why don't seeds decay as all other things do? Posted: 24 Aug 2020 10:00 PM PDT The Guardian submitted by /u/hyperlapse_ [link] [comments]

What would happen ecologically/environmentally if we were to somehow eradicate all mosquitoes? Posted: 24 Aug 2020 04:06 PM PDT submitted by /u/Venichee [link] [comments]

Why does adding a small amount of water to a powdered substance allow it to fully wet or dissolve, but adding a large quantity of water at once causes lumps to form? Posted: 24 Aug 2020 07:35 PM PDT Some examples: Adding water to flour to form a dough or cake mix. Adding water to a drink powder such a hot chocolate or coffee. submitted by /u/thatawesomeguydotcom [link] [comments]

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