Tags » Chicxulub

K/T Boundary Session

This morning’s extinction session at GSA 2014 brings together geologists, including Gerta Keller and Walter Alvarez, trying to decipher the timing and cause of mass extinction events, including the demise of non-avian dinosaurs. 37 more words

The Bad Luck of Extinction

Bad genes or bad luck? That’s the subtitle of ExtinctionDavid Raup’s romp through Earth history from his viewpoint as a preeminent palaeontologist. Raup (along with colleague Jack Sepkoski) became somewhat well known for their theory that… 899 more words

History