Even Without a Meteorite, The Stage Was Set For Dinosaurs to Go Extinct : ScienceAlert – Canada Boosts
The explosive finish of non-avian dinosaurs is probably the most notorious blow to life on Earth. However there’s lengthy been hints that the asteroid may not be the main culprit behind this mass extinction, simply the most spectacular isolated contribution. Earlier than this dramatic occasion, 66 million years in the past, poisonous winds of change…