- Can other people's phones "hear" LTE traffic that's addressed to your phone? If data is broadcasting from a cell tower, then how does your phone differentiate your traffic from other people's traffic?
- Would it be possible and make sense to combine a COVID vaccine booster with a flu shot in a single, annual dose?
- do viruses from 30 years ago exist? for example flu strains, or the first variant of covid?
- We know about colour blindness, where certain colours cannot be seen properly and get compensated for by the other cones in the eye. Is there a similar condition for taste buds where people will experience vastly different flavours from a 'taste-normal' person?
- How did omicron get *50*mutations? Would this happen in one host or would 1 or 2 mutations happen in one person and that transmitted just a bit better than delta?
- How was static shock explained in the past, before electricity was understood?
- In school I learned the number antibodies your body produces in response to an infection never decays to zero but instead decays to some baseline. Does that baseline increase with subsequent reinventions of the same disease?
- Why should we wait for 6 months before getting a booster shot?
- What causes hair loss from eating disorders?
- Did every person with red hair come from the same mutated person, or did the mutation happen multiple times?
- Is there a difference in how our immunity system reacts to viruses in the airways vs viruses in the lungs?
- Can you catch the Omicron and Delta variants simultaneously?
- Whats the difference between “Flux Pinning“ and “Quantum Locking“ in Superconductors?
- How does a space telescope turn?
- Is there a time frame for "full protection" after the third (booster) shot for the covid-19 vaccines?
- Can a volcanic island have limestone areas?
- How do oil/fat/soap (or other lipids) help visible light to pass through a paper plate (or any paper or cardboard or very thin wood) when water doesn't?
- What do we actually mean when we say life forms on earth are carbon based ?
- Are both of these images of lunar halos?
- Why is the shortest day of the year (when sub exposure is at its lowest) not more correlated with the coldest time of the year?
- How does general anaesthesia work? How can we take away all feeling and consciousness while keeping our breathing, heart beat and hormonal balance?
- What is the benefit of putting the jet engines underneath the wings, as opposed to top of them?
- How does a wild animal population naturally recover from an STD outbreak?
- Has the belief in homeopathy decreased within the past few years?
- Can crustaceans become overweight if pampered the way some household pets do? What does obesity look like for organisms with exoskeletons?
| Posted: 20 Dec 2021 06:07 AM PST |
| Posted: 19 Dec 2021 11:29 AM PST |
| do viruses from 30 years ago exist? for example flu strains, or the first variant of covid? Posted: 20 Dec 2021 07:08 AM PST Does the first variant of covid still exist? I ask because no one seems to be tested for it in my country anymore. Secondly, do viruses from 100 years ago still exist? Did they disappear naturally? [link] [comments] |
| Posted: 20 Dec 2021 07:45 AM PST |
| Posted: 19 Dec 2021 06:13 AM PST In other words….you've got the delta variant, which I assume is the variant omicron has fifty different mutations from? (Or is it 50 compared to the original?) Anyhow, person A has Delta. Does delta gain 50 mutations in person A, and so it transmits more and got to person B? Or does it develop 1-2 mutations reproducing in A, and go to B and mutate a few ways, then C? How many mutations can occur in an individual host? And, how many mutations would omicron need to become another variant that's being tracked by authorities as a new thing? I'd assume just one if that one meant it travelled more successfully than omicron? Finally, let's say we think of It like vehicles. Is this more like the Ford E350 where it can a bus or fire truck or ambulance or FedEx depending on what back you put on, but the core truck is the same? Or is more like a Toyota where each model broke off from another model by becoming roomier or sportier or fancier? [link] [comments] |
| How was static shock explained in the past, before electricity was understood? Posted: 19 Dec 2021 09:37 AM PST |
| Posted: 20 Dec 2021 11:06 AM PST |
| Why should we wait for 6 months before getting a booster shot? Posted: 19 Dec 2021 12:44 PM PST For some vaccines like Pfizer and Moderna it is recommended to wait for 6 months before getting a booster shot. In some places it is not just recommended, but enforced -- you can't get a booster before 6 months pass. So why is it 6 months and not 3, 4, 5, 7 or 8? Is it mostly bureaucratic/logistical issue, or are there some actual medical reasons for that? I've heard that for Delta and Omicron protection after 6 months is noticeably lesser than after 3 months. So wouldn't it be better to get a shot every 3 months? Would it make serious side-effects more likely? I've heard rumors that too many shots of some vaccine can give you immunity from adenovirus it is based on, so that could also be a reason to not get boosters too often. But I haven't heard estimations on how many is "too many". And that probably shouldn't apply to mRNA vaccines anyway? Edit: BMJ has published some relevant information today. [link] [comments] |
| What causes hair loss from eating disorders? Posted: 19 Dec 2021 07:38 AM PST Is it a high stress level? Or lack of nutrients or something [link] [comments] |
| Posted: 18 Dec 2021 01:49 PM PST I first posted this in r/askhistorians hoping for a sort of time line, but it was removed for being a science question. I am no expert but I'd appreciate any insight someone could give here! I was reading that the people in England originate from the same group as the Celts. But the Celts have a higher percentage of red hair. But the red hair gene I thought originated 30 000 + years ago in Asia. So was it that one person in Asia who's descendents ended up being Celts but somehow not English? Or did the mutation happen again independently of being passed down from them? Thank you! Edit: thank you for all the replies. I'm really happy that so many people are curious about this as well. I apologize for generalizing and referring to the Irish and Scottish as 'Celts'. The Celts are a diverse group not limited to that region! [link] [comments] |
| Posted: 19 Dec 2021 11:23 PM PST I just saw this article referencing a study done in Hong Kong which found that Omicron seems to replicate 70 times faster in airway tissues than delta, but 10 times slower in the lungs. I know and understand that this study hasn't been peer reviewed yet, so we should take it with a whole rock of salt. But it got me curious about the mechanization of our immune system in different parts of our body - and with the assumption that this study is accurate, I'm curious about what it means. [link] [comments] |
| Can you catch the Omicron and Delta variants simultaneously? Posted: 19 Dec 2021 03:10 PM PST |
| Whats the difference between “Flux Pinning“ and “Quantum Locking“ in Superconductors? Posted: 19 Dec 2021 03:15 PM PST |
| How does a space telescope turn? Posted: 20 Dec 2021 12:12 AM PST If Hubble or some other telescope is pointed into one direction how can it take images of stars that are, for instance, directly behind it (180°)? I understand that they don't have any propellant to turn them. Also, they can't turn the mirrors. Are they in some kind of constant rotating motion and then actually have just some limited time they can be pointed in a single direction? If you're a scientist and want an image of particular star or galaxy, do you have to wait for the telescope to be pointed in that exact direction? How does that work? EDIT: Thanks to /u/katinla, /u/udmh-nto and /u/Temporary_Internal28 I got the information necesssary to answer my question so there's no need to add more comments. Now I know the basics and will continue researching further. :) [link] [comments] |
| Posted: 18 Dec 2021 04:51 AM PST I've been wondering since here in Germany, literally the day you get your booster, you count as having had 3 shots but I remember that for the second one you had to wait 2 weeks until you were "fully immunized". Legalities are one thing, but from a virology point of view, is there such a time frame for the booster shot? I assume that it's shorter because each time your immune system has a shorter response time than before? [link] [comments] |
| Can a volcanic island have limestone areas? Posted: 19 Dec 2021 08:43 AM PST Is it possible for a volcanic island to have karstic landscape? [link] [comments] |
| Posted: 19 Dec 2021 04:47 AM PST |
| What do we actually mean when we say life forms on earth are carbon based ? Posted: 19 Dec 2021 07:21 AM PST |
| Are both of these images of lunar halos? Posted: 19 Dec 2021 08:18 PM PST Image I know the top one is, but the lower photo I am not sure. Its a lot smaller of a halo and the moon is behind thicker clouds. 2 follow up questions: If it is not a halo, what is it? If it is considered a halo, does it have the same association with a possible upcoming storm? Also, was this the best place to post this? [link] [comments] |
| Posted: 19 Dec 2021 06:23 AM PST Another way to ask this is why isn't the winter solstice not the mid point in winter? [link] [comments] |
| Posted: 19 Dec 2021 01:12 AM PST Along with everything else the brain does. It seems much more than just being asleep, more like a disconnection of the brain. So how can we remove some functions while leaving others? [link] [comments] |
| What is the benefit of putting the jet engines underneath the wings, as opposed to top of them? Posted: 18 Dec 2021 06:46 PM PST |
| How does a wild animal population naturally recover from an STD outbreak? Posted: 17 Dec 2021 08:30 PM PST Wouldn't a population be perpetually infected and/or die off as a result of STIs? In the case of animals that engage in casual sex or polygyny, I'd expect STIs would be even more easily spread. This NCBI article Disease and the dynamics of extinction concludes that extinction events due to an infectious disease is relatively unusual… Without any anthropogenic intervention, hepatitis could easily wipe out troops of bonobos. An outbreak of syphilis would wreck havoc in a pod of dolphins. There may be survivors that recover and possibly develop a resistance…. provided they don't get reinfected, the disease doesn't mutate, their reproductive organs aren't compromised, etc. So, what's the science behind a species surviving from an STD outbreak in the wild kingdom? [link] [comments] |
| Has the belief in homeopathy decreased within the past few years? Posted: 17 Dec 2021 08:10 PM PST It seems like I very rarely hear about homeopathic medicine treated as anything other than quackery anymore. A few years ago it seemed like the Next Big Thing in alternative medicine. What has caused this, or am I incorrect and it is still widely believed in? Disclaimer: I know homeopathy is objectively BS, just curious where belief in it is compared to 5-10 years ago. [link] [comments] |
| Posted: 18 Dec 2021 11:48 AM PST |
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