Does sleeping for longer durations than physically needed lead to a sleep 'credit'? |
- Does sleeping for longer durations than physically needed lead to a sleep 'credit'?
- Are sonic toothbrushes BS ? Do they make any noticeable difference ?
- Why does shaking a carbonated beverage cause it to violently erupt after opening it?
- Suppose there is an upright cylinder completely submerged in water. Since the top of the cylinder is higher then the bottom, shouldn't there be more pressure on the bottom and thus an upwards force on the cylinder?
- Since the Indian and Madagascar tectonic plates were at one time connected before India separated and went northwards towards Eurasia, are there any traces of this in terms of fauna that Madagascar and India share?
- Do humans get Antibodies against various pathogens that infect cattles via their milk, based on the same principle that human babies get antibodies against several pathogen from their mother's breast milk?
- The power conversion efficiency from SPO?
- If a vaccine becomes safe to use for people 18 years or older after the trials are over, would there need to be separate trials in order for people younger than 18 to receive the vaccine? If so, how long would that take?
- Is gas form a possible state for a natural satellite orbiting a planet in the universe?
- How do vaccine trials take lifestyle into account?
- Is our circulatory system one giant loop that involves all blood vessels or is it composed of many smaller loops which don't connect to each other?
- How old are clouds as we know them?
- What does a Gyroscope's axis remain constant relative to?
- If the goal of sexual competition fights in males is to win, why don't male rams etc hit vital organs instead of head butting each other?
- In some sports, it is generally understood that the very top competitors are genetically advantaged, is the same true for intellectual pursuits, such as chess?
- If I am vaccinated against the flu, can I still pass it on?
- What would rising sea levels and/or melting ice caps do to inland lakes and rivers? Are there models that predict these changes if they are expected?
- Since the covid mRNA vaccine from Pfizer and moderna codes for a protein similar only to the spike protein and is not a weakened version of covid itself like many vaccines, does that mean getting covid from receiving the vaccine is impossible?
- What happens if one tectonic plate moves into another that is moving away from it?
- Does the covid vaccine helps patients already infected or does it only prevent infection?
- What's the criteria to consider a war between nations as a World War?
- Are antibody tests used to determine if a Covid vaccine is effective? If so, could further doses be used to increase the effectiveness on those who failed to develop antibodies the first time around?
| Does sleeping for longer durations than physically needed lead to a sleep 'credit'? Posted: 29 Nov 2020 08:09 AM PST in other words, does the opposite of sleep debt exist? [link] [comments]  |
| Are sonic toothbrushes BS ? Do they make any noticeable difference ? Posted: 30 Nov 2020 02:27 AM PST *Ultrasonic, i meant the one that produces waves that break the scale I need somebody who's not a salesman to tell me if they are bullshit or not because I won't spare an expense on my teeth but it's hard to justify spending a quarter of my monthly income on something that only maybe works. Also do you think there is much difference between 200usd sonic toothbrush and 400 USD one ? In terms of cleaning, not quality of materials and durability. [link] [comments]  |
| Why does shaking a carbonated beverage cause it to violently erupt after opening it? Posted: 30 Nov 2020 05:45 AM PST |
| Posted: 30 Nov 2020 04:18 AM PST I've been wondering about this for a long time. Why wouldn't the cylinder be pushed upwards? Suppose it has a total density that of water. [link] [comments]  |
| Posted: 29 Nov 2020 08:06 AM PST |
| Posted: 30 Nov 2020 07:41 AM PST |
| The power conversion efficiency from SPO? Posted: 30 Nov 2020 06:55 AM PST Solar cells question, so for characterization, they measure stabilized power output (SPO) to generally characterize the device stability, but how do you get the actual PCE and Jsc using the SPO data? There is a certain calculation of the variables you get to compare with the values gotten from a simple IV curve. Can anyone explain how to calculate that from the SPO? [link] [comments]  |
| Posted: 29 Nov 2020 09:24 PM PST |
| Is gas form a possible state for a natural satellite orbiting a planet in the universe? Posted: 30 Nov 2020 07:58 AM PST |
| How do vaccine trials take lifestyle into account? Posted: 30 Nov 2020 04:10 AM PST If one received the vaccine but was a hermit, how do they know the it was the vaccine that prohibited one from developing Covid oppose to the lack of exposure? [link] [comments]  |
| Posted: 30 Nov 2020 01:47 AM PST |
| How old are clouds as we know them? Posted: 29 Nov 2020 09:19 PM PST Cumulus, Nimbus, Stratus, Cirrus and the like. For example, would dinosaurs have gazed upon such cloud types or was the Mesozoic atmosphere conducive to completely different formations? [link] [comments]  |
| What does a Gyroscope's axis remain constant relative to? Posted: 29 Nov 2020 09:50 AM PST I remember hearing somewhere that when you have a gyroscope spinning, it's axis will remain constant in relation to the earth's rotation. Does it also stay constant in relation to the earth's movement around the sun? If not, why? [link] [comments]  |
| Posted: 29 Nov 2020 12:09 PM PST So I was watching a documentary about animals like rams. Basically apparently rams, musk ox etc head butt to show who's boss because only one male gets the females. So the question is, if you want to drive away the other dude, why not be the first to aim for the ribs? I know it sounds sadistic... So I was wondering if animals think that too? [link] [comments]  |
| Posted: 29 Nov 2020 06:04 AM PST Sports like bodybuilding (current Mr. Olympia), running (Usain Bolt), and swimming (Michael Phelps) often have their top competitors as people who were genetically advantaged in some way for that sport. This makes sense to me. Is the same true for intellectual "sports" such as Chess, or Go, or even by extension subjects like Mathematics? Do the top performers in these fields have some genetically determined differences which advantage them? [link] [comments]  |
| If I am vaccinated against the flu, can I still pass it on? Posted: 29 Nov 2020 11:28 AM PST I understand that a flu vaccine causes antibodies to develop against the flu. I was wondering if you can still contract and spread the flu if you are vaccinated. I tried to google this, but I couldn't find any credible information. Thank you! [link] [comments]  |
| Posted: 29 Nov 2020 05:44 PM PST |
| Posted: 29 Nov 2020 07:58 AM PST This is a concern I've heard from people and couldn't find a lot of information about [link] [comments]  |
| What happens if one tectonic plate moves into another that is moving away from it? Posted: 29 Nov 2020 11:48 AM PST What happens if one tectonic plate moves into another that is moving away from it, or does nothing happen? [link] [comments]  |
| Does the covid vaccine helps patients already infected or does it only prevent infection? Posted: 29 Nov 2020 09:47 AM PST |
| What's the criteria to consider a war between nations as a World War? Posted: 29 Nov 2020 11:26 AM PST |
| Posted: 29 Nov 2020 12:07 PM PST As we have all seen, most of these vaccinations seem to be highly effective (85-95%). I'm wondering if we can use later antibody tests to determine who the vaccine was ineffective on. And if so, can we lower this ineffective percentage by trying the vaccine again? [link] [comments]  |
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