Press How life (barely) survived Earth’s greatest extinction event Paleontology student’s deep dive helps explain mysteries of ‘refugia’ ecosystems Ancient rock record sheds light on ocean responses to global warming UW research backs up ongoing efforts to protect the enigmatic Nautilus Toxic and oxygen-starved oceans caused mass extinction 200 million years ago Before The End: Scientists Find Evidence Of Extinctions Prior To Impact Event That Killed The Dinosaurs Share this:TwitterFacebookLike this:Like Loading...