MPR News with Angela Davis

Tapping into the science of maple syrup

A bucket hangs from a tree
A bucket hangs from a maple tree to collect sap at the University of Minnesota Landscape Arboretum in Chaska, Minn., on Feb. 14. Unseasonably warm weather with temperatures above 50 degrees led staff to tap the trees early this year.
Tim Evans for MPR News

What makes tree sap start running in late winter? And how do you tap a tree without harming it?

MPR News host Angela Davis talks about the science behind maple syrup, how climate change is affecting the sap season in Minnesota and what trees may better withstand climate change. 

two men posing for a portrait
Brandon Miller (left), an assistant professor of horticulture and curator of Plant Collections at the University of Minnesota Landscape Arboretum, and Laura Irish-Hanson (right), an extension educator at the University of Minnesota, pose for a portrait at Minnesota Public Radio headquarters in St. Paul on Thursday.
Nikhil Kumaran | MPR News

Guests:

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