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Humans are vastly more social than most other mammals. Neuroscientists point to the development of our social brain as key to the survival of our species; early humans survived by cooperating with each other in the rearing of children, by hunting in bands, by organizing night watches. A battery of research reveals that people still need people.

Bestselling author Erik Larson, discussing “In the Garden of Beasts” live at the Portsmouth Music Hall for the Writers on a New England Stage Series. The book is set in Berlin, 1933; the year Hitler became chancellor.