The Eighth Continent: Life, Death, and Discovery in the Lost World of Madagascar

Today on Focus we'll explore a true "lost world," home to hundreds of plant and animal species found nowhere else. Our guest today, science writer Peter Tyson, will guide us through Madagascar, the fourth-largest island in the world, and one of the most fascinating—and endangered—environments on the planet.

Guest: Peter Tyson (science writer; producer for Nova; author of The Eighth Continent: Life, Death, and Discovery in the Lost World of Madagascar)