Out of the Mouths of Apes (video) National Institute of Standards and Technology (NIST) Share Print E-Mail Loading video... Caption What's a biological anthropologist from George Washington University doing teamed with a National Institute of Standards and Technology materials researcher? Together, they study the teeth of great apes to support the theory that ape teeth and jaws have evolved to handle fallback foods, the diet that apes follow when their primary foods are unavailable. Credit NIST Public Affairs Office Usage Restrictions None 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.