Sunday, August 8, 2021

Whats the reason Jupiter and Neptune are different colors?

Whats the reason Jupiter and Neptune are different colors?
Why isnt geothermal energy not widely used?
What caused 20th century's polio epidemics as the polio virus didn't cause them before?
Cognitive decline post-COVID - does it improve over time?
Have there been any studies of the prevalence of breakthrough infections of COVID-19 that had a prior infection and a vaccine vs just a vaccine?
Why are 'inactivated type vaccines' better (or equal or worse) than 'mRNA or viral vector types', especially in reference to covid-19 and its ever changing mutating variations?
is there always an antibody for all types of antigen?
What happens with data if the modem speed is much faster than the wifi signal?
How do complex structures (like eyes) evolve where the individual components seemingly only offer increased fitness as a completed system?
I've read that scientists estimate that in 23,000 years, Niagara Falls will disappear at the current rate of erosion. Is this true, and if so, how would it geographically, and geologically, affect the Great Lakes basin?

Posted: 07 Aug 2021 12:45 PM PDT

If they are both mainly 80% hydrogen and 20% helium, why is Jupiter brown and Neptune is blue?

submitted by /u/AggravatingBiscotti1
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Why isnt geothermal energy not widely used?

Posted: 08 Aug 2021 04:20 AM PDT

Since it can do the same thing nuclear reactors do and its basically free and has more energy potential why is it so under utilized?

submitted by /u/C3em
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What caused 20th century's polio epidemics as the polio virus didn't cause them before?

Posted: 07 Aug 2021 09:00 AM PDT

Hi, I recently started to read about polio's history and the sources I read state that polio didn't cause epidemics before 20th century. Could anyone help me understand why was that? Thank you in advance

submitted by /u/freyofrey
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Cognitive decline post-COVID - does it improve over time?

Posted: 07 Aug 2021 02:08 PM PDT

I understand that evidence at this point might be limited, but is there anything to suggest that the cognitive decline caused by COVID-19 will improve over time, or does it look like the damage would likely be permanent?

submitted by /u/synapse-dynamics
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Have there been any studies of the prevalence of breakthrough infections of COVID-19 that had a prior infection and a vaccine vs just a vaccine?

Posted: 07 Aug 2021 06:01 PM PDT

I've been trying to find this information but have come up empty handed.

submitted by /u/jj3449
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Why are 'inactivated type vaccines' better (or equal or worse) than 'mRNA or viral vector types', especially in reference to covid-19 and its ever changing mutating variations?

Posted: 07 Aug 2021 12:22 PM PDT

submitted by /u/nimitpathak51
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is there always an antibody for all types of antigen?

Posted: 07 Aug 2021 09:10 PM PDT

in the case of humoral immunity, I have been taught that when there is a pathogen or virus the antigen of that virus binds to b cells with complementary receptors or antibodies. the B cell then phagocytes the pathogen, presents an epitope which now makes the B cell an APC (antigen-presenting cell). after the B cell display this epitope T helper cell bind to this epitope secretes interleukin, which influences the B cells to clone and differentiate into plasma and memory cells. Plasma Cells will develop antibodies against that specific virus and neutralize it. however, I was wondering what about when the body encounters a new virus? does the antigen of that virus still find a complementary antibody/receptor on the surface of a B cell? if so how is that possible if the body never encountered that virus before? can someone explain to me or send me a link that explains how exactly are antibodies made against viruses that the body never encountered before

submitted by /u/pizza373
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What happens with data if the modem speed is much faster than the wifi signal?

Posted: 07 Aug 2021 08:23 AM PDT

For example, if my modem is downloading at 1 GB/s but I'm on a wifi connection that can only do 1 MB/s.

Does the download speed slow down? Is there a cache somewhere that the extra data is stored in? etc.

submitted by /u/Question_Help_Please
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How do complex structures (like eyes) evolve where the individual components seemingly only offer increased fitness as a completed system?

Posted: 06 Aug 2021 10:43 PM PDT

submitted by /u/Dante_End
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I've read that scientists estimate that in 23,000 years, Niagara Falls will disappear at the current rate of erosion. Is this true, and if so, how would it geographically, and geologically, affect the Great Lakes basin?

Posted: 06 Aug 2021 05:11 PM PDT

submitted by /u/ResidentRunner1
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