lithic.jpg (IMAGE) Max Planck Institute of Geoanthropology Caption Extraordinarily well preserved bladelet showing microscopic evidence of a bone handle, plant fibres used for binding, and plant polish produced by whittling action Credit Andreu Ollé / Wang et al., Innovative ochre processing and tool-use in China 40,000 years ago. Nature. 2022 Usage Restrictions Use of images is limited to editorial coverage of scientific topics relating to the activities of the Max Planck Society. Any kind of commercial use (including, in particular, the exploitation of images by means of sale or incorporation in image databases or image catalogues) as well as any promotional use/use for merchandise purposes, disclosure to third parties or granting of related rights to third parties is expressly not permitted. 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.