What are you optimistic about?
by John Brockman, Mihaly Csikszentmihalyi, Brian Greene, Jared M. Diamond, Steven Pinker, John Horgan, John McCarthy, Sam Harris, Chris Anderson, Martin Rees, Carlo Rovelli, Daniel C. Dennett, Andrew Brown, Richard Dawkins, Michael Shermer, Clay Shirky, J. Craig Venter, Douglas Rushkoff, Anton Zeilinger, Leonard Susskind, Geoffrey Miller, Marcelo Gleiser,
