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...
It takes lots of different jobs to run a national wildlife refuge! Chelsea Corcoran/Quadt demonstrates how to conduct a lesson plan where children explore the career of a wildlife biologist by participating in a hands-on bird mist netting...
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...
Biological control; Biologists (USFWS); Diseases; Environmental education; Farms and farming; Podcast; Public Lecture;
In 1941 the Food and Drug Administration approved the use of diethylstilbestrol (DES), the first synthetic chemical to be marketed as an estrogen and one of the first to be identified as a hormone disruptor—a chemical that mimics hormones. Its...