In 1869, John Wesley Powell led a small party down the Green and Colorado Rivers in a bold attempt to explore the Grand Canyon for the first time. After their monumental expedition, they told of raging rapids, constant danger, and breathtaking...
Jonathan Van Ballenberghe is the filmmaker for "In the Company of Moose." This film chronicles Biologist Vic Van Ballenberghe who has spent more time living with wild moose in Denali National Park, Alaska than any other researcher in the...
Education; Education outreach; Energy; Children; Podcast; Public Lecture;
Juan Martinez is Director, Natural Leaders Network within the Children & Nature Network. A proud product of south central Los Angeles, Juan D. Martinez is the national Natural Leaders Network coordinator for the Children & Nature Network....
Marine ecology; Climate change; Climate effects; Podcast; Public Lecture;
Randy Olson was a professor of marine biology at the University of New Hampshire. Despite his Harvard Ph.D., four years of post-doctoral research in Australia and Florida, and years of diving around the world from the Great Barrier Reef to...
This is a guide to altricial passerines. It has an explanation of variables used for aging birds and an explanation of methodology employed, and provides information obtained while recording the early aging of the Dusky Flycatcher, the Carolina...
