Meagan Cantwell and Andrew Lawler discuss archaeological evidence for psychoactive substances in pre-Inca Andean cultures, including how improved residue analysis informs interpretations of ancient rituals. Sarah Crespi then speaks with Noam Angrist about implementation science in education: moving from controlled studies to interventions that governments can deliver at scale in lower- and middle-income countries. The publisher provides the full episode, transcript and external audio.
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