There are Two and ONLY Two Sexes - Heather Heying

Heather Heying is a scientist, educator, and author. She holds a PhD in Biology, and a B.A. in Anthropology, and has conducted research on the evolution of social systems and sexual selection, from frogs to humans. Formerly a visiting Fellow at Princeton, and before that, a tenured professor at The Evergreen State College, she has written two books (Antipode: Seasons with the Extraordinary Wildlife and Culture of Madagascar and the NYT best-seller A Hunter-Gatherer’s Guide to the 21st Century: Evolution and the Challenges of Modern Life, co-authored with Bret Weinstein) and writes Natural Selections on Substack. Co-host, with Bret, of the DarkHorse podcast.

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