Previews + Extras
How the Soil Tells the Story of the Dinosaur Extinction
S1 E2 - 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.
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