Podcast:Talk Nerdy with Cara Santa Maria Published On: Mon Mar 30 2020 Description: In this episode of Talk Nerdy, Cara is joined by science writer Lydia Denworth to talk about her new book, "Friendship: The Evolution, Biology, and Extraordinary Power of Life's Fundamental Bond." They discuss the science of friendship, from genetics to anthropology and beyond, as well as its extraordinary effects on our physical and mental health.