Polar Bears in the Arctic (video) USDA Forest Service - Pacific Northwest Research Station Share Print E-Mail Loading video... Caption Science team placing radio collars on polar bears. Credit Bruce Marcot, USDA Forest Service. Usage Restrictions None Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.