Bees on a Flower (image) University of Washington Share Print E-Mail Caption Bees with 'backpacks' on can still eat, control their flight and perform other normal behaviors. Credit Mark Stone/University of Washington Usage Restrictions Available for use with appropriate caption. Share Print E-Mail 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.