Risk of Ingesting Toxic Metals (IMAGE) University of Pittsburgh Caption A Pitt research study finds that bumblebees have the ability to taste -- and later ignore -- certain metals such as nickel, but can do so only after they visit a contaminated flower, putting them at risk of ingesting toxic metals. Credit University of Pittsburgh 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.