Does the earth "lose/gain" water or is it truly a closed system? | AskScience Blog

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Tuesday, April 7, 2020

Does the earth "lose/gain" water or is it truly a closed system?

Does the earth "lose/gain" water or is it truly a closed system?


Does the earth "lose/gain" water or is it truly a closed system?

Posted: 06 Apr 2020 09:46 PM PDT

AskScience AMA Series: We're the team behind NOAA's Science On a Sphere, which has been installed in more than 170 museums around the world and has a data catalog with more than 500 datasets! From custom software to aligning projectors around a sphere to informal education, AUA!

Posted: 07 Apr 2020 04:00 AM PDT

Science On a Sphere® (SOS) is a room sized, global display system that uses computers and video projectors to display planetary data onto a six foot diameter sphere, analogous to a giant animated globe. Researchers at NOAA developed Science On a Sphere® as an educational tool to help illustrate Earth System science to people of all ages. Animated images of atmospheric storms, climate change, and ocean temperature can be shown on the sphere, which is used to explain what are sometimes complex environmental processes, in a way that is simultaneously intuitive and captivating. A flat screen version of SOS called SOS Explorer is also available for museums and classrooms. If you want to check it out at home, you can download the free SOS Explorer Mobile App for Apple and Android devices.

The team behind SOS is a diverse group of software engineers, scientists, and educators. Our work includes writing the proprietary SOS software, installing SOS around the world, supporting SOS sites, managing the SOS data catalog, teaching others with SOS, encouraging its creative use, and exploring new technologies.

With us today are:

  • Beth Russell - SOS Operations Manager
  • Hilary Peddicord - SOS Education and Dataset Guru
  • Keith Searight - SOS Technology Manager
  • Eric Hackathorn - SOS and SOSx Engineer
  • Shilpi Gupta - SOS Software Engineer
  • Alex Kirst - SOS Customer Support

We'll be on at 10:00 am MDT (12 ET, 16 UT). Ask us anything!

Username: ScienceOnaSphere

submitted by /u/AskScienceModerator
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Why is nuclear fission so easy to control for generating power, but nuclear fusion so difficult?

Posted: 07 Apr 2020 06:43 AM PDT

How does the threat and severity of the COVID-19 pandemic compare with the H3N2 flu pandemic of 1968 and the H2N2 flu pandemic of 1956? (Death toll of H3N2: 1,000,000 people worldwide. Death toll of H2N2: 2,000,000 people worldwide)

Posted: 06 Apr 2020 01:00 PM PDT

Edit: I'm not downplaying COVID-19's severity, I think COVID-19 is a greater threat.

submitted by /u/WolfsToothDogFood
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If one recovers from COVID 19, does the body become immune to the virus? Or is there a possibility of contracting the disease again?

Posted: 06 Apr 2020 09:40 AM PDT

We're all familiar with the image of the Coronavirus as a ball with pink antennae, but what is that? A single "piece" of virus?

Posted: 07 Apr 2020 05:16 AM PDT

Mostly I'm wondering what the term is for that ball-thing. And is that what is flying through the air or on door handles that infected people have touched? If someone sneezes, are there thousands/ millions of these little balls floating around?

submitted by /u/xlitawit
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How frequently do we observe novel viruses capable of infecting humans?

Posted: 07 Apr 2020 04:12 AM PDT

Do we frequently see novel viruses that infect humans? How often are they documented? Obviously COVID-19 is on everyone's mind because of how serious it is, and how easily it can spread. Do we frequently see other less serious viruses infecting humans?

submitted by /u/0x0BAD_ash
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How can chain-termination sequencing differentiate between human and viral DNA?

Posted: 07 Apr 2020 01:08 AM PDT

Do they have to be separated before the actual sequencing somehow?

submitted by /u/Ohin_
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Can antibody testing distinguish between people who are currently infected and those who have previously recovered from an infection?

Posted: 06 Apr 2020 08:37 PM PDT

How does Folding@Home prevent intentional sabotages?

Posted: 06 Apr 2020 08:11 PM PDT

Since they are getting these calculated data from anyone, couldn't some bad actors just intentionally put in wrong "answers" to their calculations? Thanks!

submitted by /u/intbah
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Why are coronaviruses NOT classified as a retrovirus, even though it has single stranded RNA rather than DNA for the nucleic acids?

Posted: 06 Apr 2020 06:29 PM PDT

I do not know virus taxonomy very well, but I understood that the classification as a retrovirus was independent of their taxonomic classification. If so, then why isn't the coronavirus labelled as a retrovirus?

submitted by /u/kingdom529
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How exactly was sea level calculated?

Posted: 06 Apr 2020 08:15 PM PDT

With the changing tides doesn't the sea level rise and fall depending on where you are? And how did the measure it?

submitted by /u/Reactive1278
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Do people that have had pneumonia as a kid have a worse prognosis for COVID-19?

Posted: 06 Apr 2020 01:07 PM PDT

Now that Boris Johnson is admitted to the ICU I see a lot of people posting that "he had pneumonia as a kid". This implies that this is a risk factor but I'm wondering how? Is it because of the excessive lung damage which lead to fibrotic tissue? Or am I missing something?

submitted by /u/MarsMcforden
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If fever is one of the body’s immune response to fighting viruses and other disease-causing organisms, should one take acetaminophen and/or ibuprofen to relieve the fever or should one let the fever run through?

Posted: 06 Apr 2020 11:22 AM PDT

Does the amount of viral particles that a person comes into contact initially have an effect on later stages of a disease (i.e. more contact makes a stronger infection)?

Posted: 06 Apr 2020 04:52 PM PDT

As I learned in school, basically after a virus enters a host it targets a cell type and starts replicating. After some time the damage will be large enough to trigger the immune response of the body until the infection is dealt with.

My question is: Does the ammount of viral particles that you come into contact with actually matters? Once infected the virus starts dividing so even if 1 or 1 billion viral cells enter your body, so the result will be more or less the same, give or take a few days?

Or does more viral cells on the first contact makes for a more severe infection later on? I.e. a disease may be mild or even unnoticeable if you got infected by few cells early on or may be a life threatening situation if you get a large infection right on the start.

This question came after seeing the news of the the healthcare workers that treat people with COVID-19. Does the risk is increased not only due to the exposure to possibly infected people, but also does to the individuals being symptomatic and also having a high viral load?

submitted by /u/WilliamJoe10
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Are there any known viruses that affect both humans/animals and plants?

Posted: 06 Apr 2020 06:58 PM PDT

(SAP) super absorbent polymers? Need general info.

Posted: 06 Apr 2020 05:52 PM PDT

Basically lookinf for the low down on the polymers used in huggies or depends. Anyone have a little info on how they work.

submitted by /u/HelperMonkeyX
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What is the difference between fur and hair?

Posted: 06 Apr 2020 12:32 PM PDT

This question is mostly in reference to pet hair/fur. What makes dogs with hair hypoallergenic? I know that fur has dander that people can be allergic to, but why doesn't hair have that same dander? Do they grow differently?

submitted by /u/BudoftheBeat
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Once a vaccine is found for Covid-19, going forward will it be used like MMR vaccines where you only need it once, or like the flu shot, where you must get it yearly?

Posted: 06 Apr 2020 10:45 AM PDT

How soon will the big faults/seismic zones in the US erupt, and how prepared are we? Particularly looking at San Andreas, Hayward, and New Madrid faults/seismic zones.

Posted: 06 Apr 2020 01:47 PM PDT

My cursory google research on the topic says New Madrid is about 30 years overdue for a magnitude 6.3 earthquake, and that the Bay Area has a 63% chance of experiencing a magnitude 6.7 or greater earthquake in the next 26 years via the Hayward/San Andreas faults. How do we arrive at these predictions, and how accurate are they? How prepared for them are we as a country?

submitted by /u/A_Unique_Name218
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Are octopodes as good at camouflaging themselves on land as they are one water?

Posted: 06 Apr 2020 05:07 PM PDT

It is well known that octopodes have some of the best abilities of camouflage in the entire animal kingdom. My question is whether or not it octopodes have been seen to cmaouflage on land too and if so, how well this ability holds up there.

submitted by /u/Yeetaway1404
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