Our primate cousins fascinate us, with their uncanny similarities to us. Studying other apes and monkeys also helps us figure out the evolutionary puzzle of what makes us uniquely human. Sarah Blaffer Hrdy’s work brings a female perspective to this puzzle, correcting sexist stereotypes like the aggressive, philandering male and the coy, passive female. Sarah is professor emerita of anthropology at the University of California, Davis, and studies female primate behaviour to create a richer picture of our evolutionary history, as well as what it means to be a woman or a parent today. Her overarching aim is to understand the human condition, a goal she initially planned to pursue by writing novels. Instead, she found her way into science: her ground-breaking study of infanticide among langur monkeys in northern India overturned assumptions about these monkeys’ murderous motivations. Later in her career, she looked into reproductive and parenting strategies across species. We humans are primed by evolution, she believes, to need a lot of support raising our children. And that is a concern she found reflected in her own life, juggling family commitments with her career ambitions as a field researcher, teacher, and science writer.

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“What did the council decide on item 42?” — answered with the speaker and the moment.