Barcoded honey bees interact (IMAGE) Proceedings of the National Academy of Sciences Caption Barcoded honey bees interact, with two sharing food via trophallaxis on an artificial honey comb. Credit Image credit: Nathan Beach (University of Illinois at Urbana-Champaign, Urbana, IL) and Tori Beach (photographer) Usage Restrictions None License Licensed 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.