Gerta Keller
Gerta Keller
Gerta Kelleris a paleontologist who contests the Alvarez hypothesis that the Chicxulub caused the mass extinction 66 million years ago. Keller maintains that this impact predates the mass extinction and that Deccan volcanism and its environmental consequences were the most likely major cause possibly exacerbated by the impact...
dangerous less
Asteroids may be less dangerous than they've been made out to be.
confident quite
We're quite confident we're on the right track.