A Lemur Takes a Self-control Test (image) National Evolutionary Synthesis Center (NESCent) Caption In a test of self-control, a Coquerel's sifaka reaches towards a two-liter soda bottle to retrieve a piece of food at the Duke Lemur Center in Durham, North Carolina. Videos of the tests are available at https://www.youtube.com/watch?v=yJhXwsD32s8 and https://www.youtube.com/watch?v=gPcj15GN-XQ&feature=youtu.be. Credit Contributed by Evan MacLean Usage Restrictions None 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.