The new National Geographic series Pole to Pole ventures deep into the Amazon in search of creatures whose venom may yield new life-saving drugs.

At his school in ancient Athens, Aristotle encouraged everyone to walk through the gardens while discussing ideas, rather than sitting quietly for lectures. Teachers and students would explore questions, challenge each other’s thinking, and build on each other’s insights. This tradition of walking and wondering together became so successful that it continued for centuries, influencing ... Read More