Tools at Qusem Cave (IMAGE) American Friends of Tel Aviv University Caption Experimental activity of cutting tubers with a small recycled flake and a close-up of its prehension (inset). Credit Flavia Venditti/AFTAU. Usage Restrictions None 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.