Mammals Were Already Flourishing When The Axe Fell On The Dinosaurs

It's an apocryphal image. The ignorant faces of the dinosaurs, roaring helplessly at their fate, and looking skyward as an asteroid plunged to Earth. And the sneaky, clever little mammals coming out of their hiding holes to take their rightful place. If you grew up reading about this version of things, you're not alone. The line of reasoning says that mammals were present during the dinosaur's reign, but their potential to thrive was suppressed by the dinosaurs, which were supremely evolved to d...