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Datura quids at Pinwheel Cave, California, provide unambiguous confirmation of the ingestion of hallucinogens at a rock art site.
Robinson DW, Brown K, McMenemy M, Dennany L, Baker MJ, Allan P, Cartwright C, Bernard J, Sturt F, Kotoula E, Jazwa C, Gill KM, Randolph-Quinney P, Ash T, Bedford C, Gandy D, Armstrong M, Miles J, Haviland D. Robinson DW, et al. Proc Natl Acad Sci U S A. 2020 Dec 8;117(49):31026-31037. doi: 10.1073/pnas.2014529117. Epub 2020 Nov 23. Proc Natl Acad Sci U S A. 2020. PMID: 33229522 Free PMC article.
From the Cover: A Howiesons Poort tradition of engraving ostrich eggshell containers dated to 60,000 years ago at Diepkloof Rock Shelter, South Africa.
Texier PJ, Porraz G, Parkington J, Rigaud JP, Poggenpoel C, Miller C, Tribolo C, Cartwright C, Coudenneau A, Klein R, Steele T, Verna C. Texier PJ, et al. Proc Natl Acad Sci U S A. 2010 Apr 6;107(14):6180-5. doi: 10.1073/pnas.0913047107. Epub 2010 Mar 1. Proc Natl Acad Sci U S A. 2010. PMID: 20194764 Free PMC article.
Evidence for the earliest structural use of wood at least 476,000 years ago.
Barham L, Duller GAT, Candy I, Scott C, Cartwright CR, Peterson JR, Kabukcu C, Chapot MS, Melia F, Rots V, George N, Taipale N, Gethin P, Nkombwe P. Barham L, et al. Among authors: cartwright cr. Nature. 2023 Oct;622(7981):107-111. doi: 10.1038/s41586-023-06557-9. Epub 2023 Sep 20. Nature. 2023. PMID: 37730994 Free PMC article.