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MPR News with Angela Davis
Angela Davis and Cari Dwyer
Updated:

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

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