Bernd Heinrich on his 'unusual' life as a runner and biologist in Maine

A new book out Tuesday, "Racing the Clock: Running Across a Lifetime," explores a life of scientific research and discovery in nature, and some extraordinary feats of the human body. And the author himself, Bernd Heinrich, is the subject of both. Jeffrey Brown went deep into the woods of Maine for our story. It's part of our arts and culture series, CANVAS.
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