Nature - Secrets and Mysteries of Bats

Secrets and Mysteries of Bats - Nature DocumentaryExplores the world of bats and the scientists who study them -- including the late Donald Griffin, a Harvard zoologist who was the first to describe their echolocation ability in the 1940s. Using 3-D graphics to recreate the bats acoustic vision and shooting with infra-red and high-speed cameras, this film offers an exhilarating bats-eye journey into the night.