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How the Soil Tells the Story of the Dinosaur Extinction

Season 1 Episode 2 | 3m 18s

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.

Latest Episodes
Join Emily as discovers surprising truths hidden in the fossil record.
Cruise into the Cretaceous, when astonishing creatures like T. rex dominated the planet.
Travel through billions of years of history to meet some of the earliest life forms.
Extras
Join Emily as discovers surprising truths hidden in the fossil record.
Emily Graslie talks to Kylie Ferguson, who made a surprising discovery as a kid.
Cruise into the Cretaceous, when astonishing creatures like T. rex dominated the planet.
Travel through billions of years of history to meet some of the earliest life forms.
Emily Graslie and Dr. Eileen Grogan look for fossil fish in Montana.
Emily meets with Dr. Sarah Keenan to understand the fossilization process.
Emily travels to central Montana in search of ancient fish fossils.
An infamous battle between two early paleontologists played out at the Morrison Formation.
Meet Prehistoric Road Trip host Emily Graslie.
Join Emily Graslie for a summer road trip through the heart of America's dinosaur country.
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