Immaculata De Vivo, Professor of Medicine at Harvard Medical School and Professor of Epidemiology at the Harvard School of Public Health, discusses her book, "The Biology of Kindness: Six Daily Choices for Health, Well-Being, and Longevity," co-written with mindfulness and meditation expert Daniel Lumera.Then, Joshua Glenn talks about his collection of science fiction stories and books from 1900-1935 and his efforts to preserve these forgotten classics and to discover the origins of enduring tropes like berserk robots, tyrannical supermen, and dystopian wastelands.