The Polar Bear Scientists

Follow scientists as they scan the Alaskan wilderness for these magnificent creatures.It is springtime on the North Slope of Alaska, and the U.S. Geological Survey team—the polar bear biologists Kristin Simac and Mike Lockhart—is gearing up for polar bear capturing. During a capture, all information is collected on the sea ice. The scientists locate bears from a helicopter, tranquilize them, give them tattoo ID numbers and tags, and collect data such as height, weight, and body fat measurem...