At age 78, E.O. Wilson is still going through his "little savage" phase of boyhood exploration of the natural world. In "Lord of the Ants," NOVA profiles this soft-spoken Southerner and Harvard professor, who is an acclaimed advocate for ants, biological diversity, and the controversial extension of Darwinian ideas to human society.

Actor and environmentalist Harrison Ford narrates this engaging portrait of a ceaselessly active scientist and eloquent writer, who has accumulated two Pulitzer Prizes among his many other honors. Says fellow naturalist David Attenborough: "He will go down as the man who opened the eyes of millions 'round the world to the glories, the values, the importance of—to use his term—biodiversity."