How (and why) to teach a polar bear to walk on a treadmill


A polar bear on ice
Animals

What it takes to find food in the rapidly melting Arctic.

Biologists put bears on treadmills to determine how much energy it costs them to walk. Data could predict what it takes to find food as sea ice continues to disappear.
via Popular Science "https://ift.tt/2JaeOqz"

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