Human language reveals a universal positivity bias [arxiv] [PNAS]

Peter Sheridan Dodds, Eric Clark, Suma Desu, Morgan Frank, Andrew Reagan, Jake Ryland Williams, Lewis Mitchell, Kameron Decker Harris, Isabel M. Kloumann, James P. Bagrow, Karine Megerdoomian, Matthew T. McMahon, Brian F. Tivnan, and Christopher M. Danforth

Human language has a self-similar positively biased emotional spectrum.

Talk given at SIAM Conference on Applications of Dynamical Systems, Snowbird, UT, May 2013 (approx. 25 minutes; includes Danforth's hair and 10 minutes of Q and A):