California cave art linked to early use of hallucinogens

The Chumash people poked bits of psychoactive plants into cave ceilings next to their paintings. Datura wrightii – Credit: Rick Bury (art)/Melissa Dabulamanzi (Datura)/PNAS – By Robby Berman 2020 Nov 27 – Mysterious pinwheel paintings in a California cave are probably representations of …