QR code on bee (IMAGE) Penn State Caption Researchers attached QR codes to the backs of thousands of bees to track when and for how long they left their hives. Credit Provided by Margarita López-Uribe, Robyn Underwood, Julio Urbina, Diego Penaloza-Aponte and team Usage Restrictions If reused, must use credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.