PBS Eons: Did the Ozone Collapse 252 Million Years Ago? #fossils #paleontology #evolution #Permian #GreatDying #MassExtinction #PBSEons

https://youtu.be/sIupXhjet0s PBS Eons has a new video. This is another one…

https://esconi.org/2026/09/pbs-eons-did-the-ozone-collapse-252-million-years-ago/

"The ‘ #GreatDying’ is widely considered to have been caused by the eruption of a huge #volcanic system that lay under what is now Siberia, Russia." apple.news/Ay0pHyvlBSou...