Johnson, Kirk2018-03-162018-03-162018-02-162018-03-16http://hdl.handle.net/10919/82515Dr. Kirk Johnson is a paleontologist who has led expeditions that have resulted in the discovery of more than 1,400 fossil sites. His research focuses on fossil plants and the extinction of dinosaurs. He is known for his scientific articles, popular books, museum exhibitions, documentaries, and collaborations with artists.Dimensions: 853 x 480Duration: 01:11:20Size: 715 MBvideo/mp4video/webmimage/jpegen-USIn CopyrightPresentationVirginia Tech