Rats with Spices (image) Indiana University Share Print E-Mail Caption A rat in the center of eight spices. IU scientists used over 00 spices in two circular 'arenas' with different black-and-white patterns on the floor to gauge rat's ability to remember information in specific contexts. Credit Indiana University Usage Restrictions Credit Indiana University 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.