Small Knapping (IMAGE) University College London Caption A small knapping scatter relating to the reshaping of a biface, preserving the imprint of an early human knee in the shards of waste flint, under excavation in 1989 Credit (Copyright UCL Institute of Archaeology) Usage Restrictions (Copyright UCL Institute of Archaeology) 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.