Sociologist Nicholas Christakis says we come to social goodness as naturally as we come to our bloodier inclinations. Research out of his Human Nature Lab at Yale shows that capacities like friendship, love, teaching, and cooperation exert a tremendous and practical force on us — and yet we don’t think of those behaviors as grit for what’s helped humans evolve as a species. Christakis’ science — and the passion with which he shares and lives what he learns — put goodness in refreshing evolutionary perspective.
