Shark Mouth (IMAGE) Georgia Institute of Technology Caption The new study is the first time that sharks' ability to sense the odor of their food has been tested under conditions that simulate the acidity levels expected in the oceans by the turn of the century. Credit Danielle Dixson 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.