Gotcha! (image) Brown University Share Print E-Mail Caption The tiny Rhampholeon spinosus chameleon can stick out its tongue with a peak acceleration 264 times greater than the acceleration due to gravity. Credit Christopher Anderson Usage Restrictions with credit 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.