A discussion with Marta Kowal on beautification and what predicts it. Marta Kowal (PhD) is a post-doctoral researcher at the IDN Being Human Lab, Institute of Psychology, University of Wrocław, Poland. Marta's academic background is in evolutionary psychology, and her research primarily focuses...

A natural history of infidelity and a history of science on the topic. Listen and learn about the oldest known laws in history, fish that get pessismistic without their boyfriend, the costs of monogamy, the ovulatory shift hypothesis (and a conspiracy theory about it), the mate-switching vs....

An audio essay on human nature, followed by an interview with primatologist Dr. Susan Cheyne. Susan is the co-director of the Borneo Nature Foundation International and the Borneo River Initiative for Nature Conservation and Communities, she is the Vice Chair of the IUCN Section on Small Apes,...