Puzzled and dazzled by the tender expertise of new fathers around the world—several in her own family—celebrated evolutionary anthropologist and primatologist Sarah Blaffer Hrdy set out to trace the deep history of male nurturing.
In “Father Time,” Hrdy draws on a wealth of research to argue that this ongoing transformation in men is not only cultural, but profoundly biological.
Men in prolonged intimate contact with babies exhibit responses nearly identical to those in the bodies and brains of mothers.
