"There are more things in heaven and earth, Horatio, than are dreamt of in your philosophy," says Hamlet. If there's one thing we've learned, it's that in reaching the boundaries of human knowledge, there are great puzzles. In the sciences, the new things don't fit with what we already know; in politics and human affairs, the norms of how we might live together are challenged and cracking. **This episode originally aired December 1, 2015.



What are the other worlds of human knowledge that might help us navigate the uncertain future?



This episode is one of a series recorded at the Stratford Festival. It features CBC Massey Lecturer and Founding Director of the Munk School of Global Affairs Janice Gross Stein; physician-scientist, author, and deep-sea explorer Dr. Joe MacInnis; and science broadcaster and writer Jay Ingram.