April 5, 2019

Scientists tap into how trees move gallons of fluids from the ground to the atmosphere every day. Plus, a conversation with climate-focussed presidential candidate Jay Inslee.

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Do Ice Baths Work?

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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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