From the Cambrian Explosion to the Great Dying

Transcript

Thank you to Audible for supporting PBS Digital Studios Lemme tell you: There are no dull moments in the story of life. Sure, within the whole Geologic Time Scale, there may be some episodes that are less exciting than others. But the first era of our current eon, the Paleozoic Era, is probably the most deceptively fascinating time in Earth’s histo... Read More