Most Recent Broadcast

November 22, 2024

On the 50th anniversary of Lucy’s discovery, paleoanthropologists reflect on what she taught us about ourselves. Plus, divers have recovered seeds of a long-lost rye variety from a 146-year-old shipwreck in Lake Huron. And, a potato researcher explains potato varieties, potato nutrition, and some tubular tuber facts.

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Segment

16:31

How The Sap Runs

Scientists tap into how trees move gallons of fluids from the ground to the atmosphere every day. Plus, the freeze-thaw secrets of sugar maple trees.

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