In this captivating Scientists in the Field entry, follow scientists as they scan the vast Alaskan wilderness for polar bears—the amazing creatures that have become the face of global warming—but encounter more water and less ice than they’ve ever seen before.
It is springtime in Alaska, and the U.S. Geological Survey team is gearing up for polar bear capturing. 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 measurements and samples such as blood, hair, feces, and even teeth. For more than forty-five years, scientists have been capturing bears in order to get information. What has this information been telling scientists about polar bears and our changing global climate? Find out in this fascinating entry in the Scientists in the Field series!
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