'Your papers, please' must never be heard in America
Independent voices from the TWT Communities
New research pinpoints how the torch passed from one dominant creature on Earth to another, from the brutish dinosaur to the crafty mammal.
"I think it's fair to say, without the dinosaurs having gone extinct, we would not be here," said Paul Renne, director of the Berkeley Geochronology Center, who led the research on the dinosaurs and cosmic crash.
Renne said there are no impact records anywhere else that are different from what he found in Montana.