Do animals that sleep in multiple short "naps" (such as cats) require REM sleep the way humans do? |
- Do animals that sleep in multiple short "naps" (such as cats) require REM sleep the way humans do?
- Is sound, bound by gravity? Is screaming upwards any different than sceaming downwards, speed or volume-wise?
- Are more contagious viruses less fatal/dangerous? If so, why?
- When pain tolerance is plotted on a graph what type of growth pattern does it tend to follow?
- What makes a voice unique?
- What are the raw materials for mRNA vaccines and where do they come from?
- Is there any issue with having a variety of Covid-19 vaccines out there?
- Is the universe flat or 3D? Basically, as the universe is expanding, is it going in all directions or just in one plane?
- What makes the new Coronavirus-mutation from UK and South-Africa more contagious?
- Do other mammals have an umbilical cord, and if so, how is it cut?
- How would a meteorologist calculate or estimate the TOTAL amount of precipitation that falls in an area/state/country?
- How do then figure out that more then one doses of a vaccine will make a person immune when testing a vaccine?
- Why does the lack of smell impairs the sense of taste?
- why do vaccines need to be put in a vial?
- How does the new covid mRNA vaccines avoid destruction by siRNA or microRNA?
- Why does hot asphalt look reflective at low angles?
| Do animals that sleep in multiple short "naps" (such as cats) require REM sleep the way humans do? Posted: 13 Jan 2021 10:26 PM PST |
| Posted: 13 Jan 2021 02:15 PM PST |
| Are more contagious viruses less fatal/dangerous? If so, why? Posted: 14 Jan 2021 06:18 AM PST |
| When pain tolerance is plotted on a graph what type of growth pattern does it tend to follow? Posted: 13 Jan 2021 08:11 PM PST Have there been any studies where painful stimuli is increased and the people tested update their perceived level of pain? I'm familiar with the experiment where people put their hand in cold water and the duration they can withstand is timed, but that experiment doesn't increase the intensity of the stimulus because the water temperature stays constant or slightly warms over time. Have there been any experiments where an electrical current is applied, people report how much pain they feel, then a stronger electrical current is applied and the new level of subjective pain is reported? If so, what does the graph of electrical current to reported pain look like? Does this vary among different population groups? I'm especially curious about the growth of the graph (i.e. linear, exponential, logarithmic). I'm also curious if there are people with low pain thresholds who also have high pain tolerance. For example, they might have a graph like y = 0.1x while someone with high pain threshold but low pain tolerance might have a graph like y = -5 + 3x. Also, do different sources of pain change reported experience of pain? For example, do some people have a higher resistance to heat induced pain than electrical induced pain? Are there any patterns among which types of groups are most resistant to which types of pains? I've read that runners tend to have higher pain tolerance, but I'm wondering if this has been analysed by source of pain. For example, maybe people from cold climates have a higher tolerance to cold stimuli? Or people from areas with many mosquitoes have a higher tolerance to mosquito bites? If so, when a person from a cold climate moves to a hot climate does their tolerance to cold stimuli change? [link] [comments]  |
| Posted: 13 Jan 2021 03:49 PM PST Pitch is just the vibration of vocal chords at a certain speed to generate a certain wavelength right? So why do two people singing at the same pitch sound different? P.S. not sure if I used the right flair because I'm not sure what impacts it, sorry 😅 [link] [comments]  |
| What are the raw materials for mRNA vaccines and where do they come from? Posted: 13 Jan 2021 12:25 PM PST I have some understanding of how the COVID-19 vaccine was designed and works thanks to this article. It talks about using a DNA printer to create the molecule. Further research told me that bulk manufacturing uses "bioreactors". But what are the actual raw materials and where are they obtained from? I got some vague answers of "enzymes" and "polymerases" from a lot of searching. What are the actual raw materials and where are they obtained from? I am looking for answers on the lines of -> it uses "x" which is obtained by refining soy protein, "y" which is obtained from fractional distillation of crude oil, and "z" by fermenting cat pee etc. Where do the chemicals used in the bioreactor/DNA printer come from? [link] [comments]  |
| Is there any issue with having a variety of Covid-19 vaccines out there? Posted: 13 Jan 2021 05:10 PM PST It just seems that most developed country have three vaccines approved for usage now, and likely at least one more will be approved shortly. Is there any issue rolling out a bunch of difference vaccines to combat one virus? [link] [comments]  |
| Posted: 13 Jan 2021 08:47 PM PST |
| What makes the new Coronavirus-mutation from UK and South-Africa more contagious? Posted: 13 Jan 2021 11:54 AM PST |
| Do other mammals have an umbilical cord, and if so, how is it cut? Posted: 13 Jan 2021 08:29 AM PST |
| Posted: 13 Jan 2021 05:18 PM PST If you look up the rainiest states in the U.S. for instance it goes by average precipitation. It says 22 inches of precipitation fell in California, which is obviously some kind of average. What's the TOTAL amount of rain/snow that fell in California? Surely it would be much more than a smaller state like Hawaii, which is listed as the rainiest place in the U.S.. [link] [comments]  |
| Posted: 13 Jan 2021 01:05 PM PST I mean if the first doses doesn't work what makes them believe more doses will? [link] [comments]  |
| Why does the lack of smell impairs the sense of taste? Posted: 13 Jan 2021 03:26 AM PST |
| why do vaccines need to be put in a vial? Posted: 13 Jan 2021 10:34 AM PST can they not just deliver it in big jugs with self adhessive cap where syringe needles can be inserted to extract some. that way you need less resources to make the vials and can deliver larger quantities [link] [comments]  |
| How does the new covid mRNA vaccines avoid destruction by siRNA or microRNA? Posted: 13 Jan 2021 04:28 AM PST Hey everyone, I am a medical student and recently we learned about siRNA and microRNA and how they silence mRNA transcription and helps degrade them. So i was wondering how the new covid_19 mRNA vaccines are able to bypass this system. And whether or not this can be a form of resistance to the new vaccines? [link] [comments]  |
| Why does hot asphalt look reflective at low angles? Posted: 12 Jan 2021 09:56 PM PST |
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