Enlarge / A vessel from the Wari site of Conchopata features the tree and its tell-tale seed pods sprouting from the head of the Staff God. (credit: J. Ochatoma Paravicino/M. E. Biwer et al., 2022) Lacing the beer served at their feasts with hallucinogens may have helped an ancient Peruvian people known as the Wari forge […]
