The researchers say the QR codes are smaller than your pinky fingernail. They are harmlessly attached to the backs of younger bees with glue. The researchers say it's because the younger bees don't ...
Stingless bees gather near the entrance to their hive on June 22, 2024. Their hive is nestled in a tiny hole in a tree near Palo Alto’s Rinconada Community Garden. Photo by Anna Hoch-Kenney.