Joseph Garner, Purdue University (IMAGE) Purdue University Caption Joseph Garner, a Purdue assistant professor of animal sciences, argues that adding environmental variables to mouse testing would increase testing accuracy. Credit Purdue Agricultural Communication photo/Tom Campbell 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.