Prehistoric Road Trip

How the Soil Tells the Story of the Dinosaur Extinction

Clip: Episode 2 | 3m 18s Video has closed captioning.

North Dakota paleontologist Dr. Clint Boyd shows Emily Graslie a layer of clay that reveals the Cretaceous-Paleogene extinction event – the day an asteroid impact wiped out the dinosaurs. Dr. Boyd explains what clues the soil offers about that fateful day.

Aired: 06/24/20

Rating: TV-G

Problems Playing Video? | Closed Captioning

Prehistoric Road Trip

Website | WTTW

Prehistoric Road Trip

Get a closer look at Prehistoric Road Trip.

Learn More