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Humans invest enormous amounts of time and energy into bringing up our babies. This unique investment is a fundamental part of what it means to be human. In this episode, the first in a three-part series on family relationships, researchers Sarah Blaffer Hrdy, Stacy Rosenbaum, and Amy Scott explore how our species’ approach to motherhood may hold the key to some of the most important traits that set us apart from other mammals. 

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This episode was produced by Leo Hornak. Sound design by Ray Pang. Host and executive producer, Meredith Johnson. Our editor is Audrey Quinn. Recording assistance Catherine Monahon. Theme music by Henry Nagle, additional music by Lee Roservere and Blue Dot Sessions.


Dana LaJoie and Bill Richards, Jeanne Newman, the Ann and Gordon Getty Foundation, and the Joan and Arnold Travis Education Fund.

I [name], of [city, state ZIP], bequeath the sum of $[ ] or [ ] percent of my estate to L.S.B. Leakey Foundation for Research Related to Man’s Origins, Behavior & Survival, (dba The Leakey Foundation), a nonprofit organization with a business address of 1003B O’Reilly Avenue, San Francisco, CA 94129 and a tax identification number 95-2536475 for its unrestricted use and purpose.

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