Ancient never-before-seen viruses discovered locked up in Tibetan glacier

Page 4 - For the science geek in everyone, Live Science breaks down the stories behind the most interesting news and photos on the Internet.
May 5, 2020
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I see lots of CO2 arguments. Kudos.

What about SO2 arguments? Or micro-particulate arguments? Both of those are also components of volcanic eruptions. Where do humans rank in those categories? (We've already done humans vs herbivores vs fermenting vegetation for methane.)
 

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