image: A photo of the braziers and the skeleton found in the tomb M12 as they were exposed in the excavations. This material relates to a paper that appeared in the June 12th, 2019, issue of Science Advances, published by AAAS. The paper, by M. Ren at Chinese Academy of Sciences in Beijing, China, and colleagues was titled, 'The origins of cannabis smoking: Chemical residue evidence from the first millennium BC in the Pamirs.' view more
Credit: Xinhua Wu