A younger Dr. Frank Krell (IMAGE) Denver Museum of Nature & Science Caption A younger Dr. Frank Krell found a wonderful bolus of elephant dung near the Mpala Research Centre in Laikipia, Kenya in 2003. (Photo/ Sylvia Krell-Westerwalbesloh) Credit (Photo/ Sylvia Krell-Westerwalbesloh) Usage Restrictions None License Original 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.