It's 50 years after C.P. Snow first described a chasm between literary intellectuals and scientists. Snow's words touched off decades of debate on both the existence of the "Two Cultures" and the possibility of a "Third Culture" — a group that could bridge the gap between scientists and humanists. Seed asked six thinkers where we are now: Whether the Two Cultures are still divided, and what role the Third Culture plays in shaping our understanding of the world.