Greta Shwachman, Rice University (IMAGE) Rice University Caption Rice University student Greta Shwachman tightens the screws on a maze bound for the Houston Zoo, where orangutans will have to solve the puzzle for treats. Credit Jeff Fitlow/Rice University 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.