Planet of the Humans: The Leap to the Top

For all that Darwin contributed to our understanding of the biological world, he was haunted by one vexing question: How does the incremental process of evolution suddenly produce, say, humans—animals who walk upright, communicate through language, and possess the brainpower to travel to the moon? In this program, some of the world’s leading thinkers in anthropology, linguistics, biology, and philosophy tackle this conundrum.