Learn how experts joined forces to figure out what happened at the end of the Cretaceous, 66 million years ago. Meet Dr. Kirk Johnson, a paleobotanist and Sant Director of the National Museum of Natural History. While you may know about the extinction of large dinosaurs, you might not realize that most other life on Earth went extinct as well. Join Kirk as he explores extinction and recovery stories told by fossils found in North Dakota. Examine evidence for the causes, consequences, and aftermath of the mass extinction for life on Earth.
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