Do the vaccines prevent Covid from damaging your brain?

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• Do the vaccines prevent Covid from damaging your brain?
• Can I "average out" water temperature by adding volumes at a specific temperature?
• Are sounds quieter at higher altitudes?
• How did rocks end up in places that aren't near mountains? Middle of Fields, deserts, etc. And how did big rocks end up in rivers? If the river can't move it at it's current size how would the river have moved it when it was bigger?
• Do the same tactics to reduce exposure to COVID (mask indoors, frequent handwashing) work for the flu and common cold in the same capacity?
• What are the effects of meditation our brain?
• Could the Kessler Effect be observable from earth?
• What mechanism makes beta carotene helpful in preventing macular degeneration but dangerous once you have macular degeneration?
• Why can't alpha-amylase (either salivary or pancreatic) break down disaccharides like Sucrose or Maltose?
• How do radios work? (and other devices controlled by radio waves) How is the sound information encoded onto the wave, and how does the home radio turn the light information put back in the speakers?
• Why emission peaks redshift when concentration increases?
• Can COVID-19 get transmitted through hair?

Do the vaccines prevent Covid from damaging your brain? Posted: 23 Nov 2021 08:26 AM PST submitted by /u/xxcapo [link] [comments]

Can I "average out" water temperature by adding volumes at a specific temperature? Posted: 22 Nov 2021 10:23 PM PST Let's say I want my bath at a perfect temperature, but my water heater is busted. I have a jumbo cauldron at my fireplace, though, so I boil up 25 gallons of water, and mix it with my ice cold tap water, trying to get the temperature just right. Just to make the math easy, I have 25 gallons of boiling water at 100c, and I mix it with 25 gallons of 25 gallons of almost freezing water, call it 1c. Will that give me a nice 50 gallon bath at 50c? Or do I end up with some other temperature? submitted by /u/cessna120 [link] [comments]

Are sounds quieter at higher altitudes? Posted: 23 Nov 2021 07:03 AM PST I was thinking that there's virtually no sound in space because there's essentially no matter for it to be transmitted through. Are sounds quieter at higher altitudes because there's less air? submitted by /u/Waukigu [link] [comments]

How did rocks end up in places that aren't near mountains? Middle of Fields, deserts, etc. And how did big rocks end up in rivers? If the river can't move it at it's current size how would the river have moved it when it was bigger? Posted: 23 Nov 2021 08:27 AM PST Especially big rocks, how could they just be sitting out in places with no water, near no places with volcanic activity, and if large volcanic eruptions put them there wouldn't their be pieces of volcanic rock there too? submitted by /u/crediblewordbank [link] [comments]

Do the same tactics to reduce exposure to COVID (mask indoors, frequent handwashing) work for the flu and common cold in the same capacity? Posted: 23 Nov 2021 10:42 AM PST See also: suggestions for only gathering outdoors, 6-feet apart, etc. I *assume* they do, but perhaps the common cold/flu has their own weird methods of infection. submitted by /u/senordingleberry [link] [comments]

What are the effects of meditation our brain? Posted: 23 Nov 2021 06:17 AM PST submitted by /u/hirekbharti [link] [comments]

Could the Kessler Effect be observable from earth? Posted: 23 Nov 2021 07:35 AM PST What might it look like? Would it require a telescope? submitted by /u/Your_mothers_punt [link] [comments]

What mechanism makes beta carotene helpful in preventing macular degeneration but dangerous once you have macular degeneration? Posted: 22 Nov 2021 04:32 PM PST submitted by /u/Lord_Mikal [link] [comments]

Why can't alpha-amylase (either salivary or pancreatic) break down disaccharides like Sucrose or Maltose? Posted: 23 Nov 2021 12:18 AM PST a-amylase is a glucosidase that hydrolyzes a1,-4 glyosidic bonds between monosaccharides. Maltose and Sucrose are also linked by a1,4 linkages but during digestion, they are hydrolyzed by brush border disaccharidases. Why is this so? Why can't a-amylase do the job? Thank you. submitted by /u/OcularSpite [link] [comments]

How do radios work? (and other devices controlled by radio waves) How is the sound information encoded onto the wave, and how does the home radio turn the light information put back in the speakers? Posted: 22 Nov 2021 03:11 PM PST I understand that radios (like what is in your car) need electrical power (from batteries/wall outlet/car) and get radio waves that are from transmitters. Radio waves are a kind of light wave. However, in my daily experience with light, information is not encoded onto the light wave other than color (and maybe amplitude.( This is another thing that is unclear to me. What is the amplitude of a light wave? Is it even meaningful to say "the amplitude of a light wave"?) How is the sound information encoded onto the wave, and how does the home radio turn the light information put back in the speakers? Thanks so much! submitted by /u/Completeepicness_1 [link] [comments]

Why emission peaks redshift when concentration increases? Posted: 22 Nov 2021 10:10 AM PST Can someone explains to me why is that? I was measuring fluorescein emission spectra at different concentrations ( 0.01mM , 0.02mM , 0.05mM) in a 10mL solution of distilled water and 0.5mL NaOH 0.1M. Thank you!!! submitted by /u/gpalo [link] [comments]

Can COVID-19 get transmitted through hair? Posted: 22 Nov 2021 09:04 PM PST I want to know how long the virus can live on the hair on our heads. It's been a great source of anxiety for me to the point where I'm cutting my long hair short. submitted by /u/seaofflames [link] [comments]

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