UNIVERSITY PARK, Pa. — Several hundred bees in rural Pennsylvania and rural New York are sporting tiny QR codes on their backs. More than the latest in apiarian fashion, the little tags serve a scientific purpose: tracking when bees go in and out of their hives to better understand how long honey bees spend foraging for food outside of their hives. The work, a collaboration among entomologists and electrical engineers at Penn State, is the first step in solving a long-standing mystery of how far bees travel from their hives to collect pollen and nectar…
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