About 66 million years ago, a terrible extinction event wiped out the dinosaurs. But it wasn’t the only event of this kind — extinctions of various severity have occurred throughout the Earth’s history — and are still happening all around us today. Borths, D’Emic, and Pritchard give a quick history of mass extinctions, featuring animation by Juliette Marchand.

Watch the full video below.

For more information, check out the full lesson by Borths, D’Emic, and Pritchard here.