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. Links to learn more: Sarah Blaffer Hrdy - Childrearing in Evolution (video) Sarah Blaffer Hrdy - Mothers and Others (article) Citrona Walnut Farm Grantee Spotlight: Amy Scott Stacey Rosenbaum - Gorilla group structure Stacey Rosenbaum - Gorillas, humans, and early life adversity The Birth Bliss Academy Support Origin Stories Origin Stories needs your support. Your donation helps bring the untold stories and latest research in human evolution to thousands of curious minds worldwide. Your gift, no matter the amount, makes a big difference! Click here to support the show. Credits: 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. Sponsors: Dana LaJoie and Bill Richards, Jeanne Newman, the Ann and Gordon Getty Foundation, and the Joan and Arnold Travis Education Fund.