On this classic episode of ID the Future from the vault, we spotlight the book Animal Algorithms: Evolution and the Mysterious Origin of Ingenious Instincts. The author, Eric Cassell, joins host and Baylor computer engineering professor Robert J. Marks to discuss the groundbreaking book and, in particular, the chapters on some of the animal kingdom’s most stunning navigators—the arctic tern, homing pigeons, the monarch butterfly, and the desert ant, among others.