The skull of a small cave bear and a replica of the arrowhead (left) (image) Ural Federal University Share Print E-Mail Caption Such arrowhead (left) was probably used to kill the bear. Credit UrFU / Elizaveta Veretennikova. Usage Restrictions Please credit the author of the image: UrFU / Elizaveta Veretennikova. 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.