Fly sensing (IMAGE) University of California - San Diego Caption UC San Diego scientists have proposed a solution for how fruit flies use a simple but efficient system to recognize odors Credit Aljadeff Lab, UC San Diego Usage Restrictions Must be used in conjunction with PNAS paper on fly olfactory sensing. 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.