Annointing (VIDEO) University of Utah This video is under embargo. Please login to access this video. Caption A crested rat sequestering toxins from the bark and leaves of an Acokanthera tree, the same plant used to make traditional arrow poisons. Credit Sara B. Weinstein Usage Restrictions non commercial with attribution 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.