VIDEO: Ozone Depletion May Have Caused Earth's Largest Mass Extinction - UCSD-TV - University of California Television
Ozone Depletion May Have Caused Earth's Largest Mass Extinction
Date: 8/9/2018; 3 minutes


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UC Berkeley graduate student Jeffrey Benca demonstrates the experiment showing how pine trees became temporarily sterile when exposed to intense UV radiation, supporting the theory that ozone depletion may have caused the Earth's largest mass extinction (the Permian Extinction). (#33954)

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