Mass Extinctions Past and Future

ByCarl Zimmer
December 16, 2007

I’ve got a new conversation up at bloggingheads.tv. This time around I talk to University of Washington paleontologist Peter Ward about the mass extinctions that wiped out millions of species in the past, and how disturbingly difficult it is to rule out the possibility that we’re sending ourselves into another great die-off.

FREE BONUS ISSUE

Go Further