Emerging Science Note Polar Bears

Living on Earth
The World

Inuit trackers can trace polar bears based on a single paw print, and DNA technology can identify individual bears. Lisa Song reports on biologists who combine both methods to monitor bear populations.

Less than .05% of listeners will donate. Can we count on you?

Our coverage reaches millions each week, but only a small fraction of listeners contribute to sustain our program. We still need 224 more people to donate $100 or $10/monthly to unlock our $67,000 match. Will you help us get there today?