A Little Known Planet, Part 3

We’ve heard how both researchers and the lay public can help count up the earth’s creatures. Now, in the final segment of Living on Earth’s special, we’ll see how technology is helping to speed up the identification of species. But first, we’ll see how things were done the old fashioned way. And for that, Living on Earth’s Diane Toomey returns us to famed Harvard biologist E.O. Wilson.