The Collapse of Earth’s First Eden
Lecture no. 17 from the course: A New History of Life
Taught by Professor Stuart Sutherland | 28 min | Categories: The Great Courses Plus Online Science Course
Five mass extinctions have occurred in the last 500 million years. Focus on the first of these, which extinguished the tropical paradise that flourished in the Ordovician period. Did plate tectonics initiate this radical transformation? Or could the cause have been extraterrestrial?