Terra Bytes - Montana Scientists (No. 106)
First Aired Saturday, January 31, 2009
The first film in this episode of terra, entitled 'Saving the Grizzly: One Hair at a Time,' follows Kate Kendall's groundbreaking DNA-based grizzly bear population study in Glacier National Park. Next in 'Tree Rings: Counting the Years of Global Warming', Liz Smith and Lisa Graumlich show us how ancient tree rings can be used to track global climate change. Finally, Alison Backus leads us on a tour with the geothermal researchers of Yellowstone National Park in 'Virus Hunting in Yellowstone'.