The evolutionary significance of warfare is overrated, says sociobiologist Sarah Blaffer Hrdy. What made us human—what transformed our ancestors into a uniquely cooperative, hypersocial species of ...

Sarah Blaffer Hrdy's research centers on how various evolutionary pressures shape primate behavior; her first major project was to explain the tendency of male langurs to commit infanticide. She ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. Sarah Hrdy: This is a professional liability of being a primatologist because I'm always imagining what ...

Sarah Blaffer Hrdy, professor emerita of anthropology, is one of four recipients of Harvard University”s 2007 Graduate School of Arts and Sciences Centennial Medal. The Graduate School of Arts and ...

Sarah Blaffer Hrdy, professor emerita of anthropology and a member of the National Academy of Sciences, has been selected to receive the academy’s 2014 Award for Scientific Reviewing, this year ...

Among the endless stream of bad news in the media, every now and then something occurs that it is so horrendous that it stops us in our tracks. That has happened once again with Tuesday’s massacre at ...

My husband Paul, our son-in-law Ken, and our grandson Henry. Source: Laura Betzig Sarah Hrdy has come full circle. With Father Time, out this month, she has completed her trilogy of books about taking ...

Women contribute most to society when they raise their children full-time, while the main role of men is to "protect and provide"—and this is the way it's always been. That, at least, is the ...

Adjust the colors to reduce glare and give your eyes a break. Use one of the services below to sign in to PBS: You've just tried to add this video to My List. But first, we need you to sign in to PBS ...