Research: Dinosaurs Done In by One-Two Climate Punch

In the boxing ring, a one-two punch can often mean a knock-out victory. In the great outdoors, it can mean extinction. New research suggests that's what led to the demise of the dinosaurs. The giant reptiles ruled the earth for about 160 million years. Then, 66 million years ago, at the end of the Cretaceous Period, they disappeared. The dinosaurs' extinction followed two catastrophic events that literally rocked their world: a huge eruption of the Deccan Traps volcanic range...

© La Voix de l'Amérique - jeudi 7 juillet 2016