Scientific American Frontiers: Echoes in the Night: A scientist monitors bat calls in Panama. Rat Soup: Rats could help solve problems with the Panama Canal. Bee Lines: Scientists study bees to determine just how they communicate with one another. Champion Chompers: Biologists study leaf-cutting ants and their fungus gardens. Bridge that Changed the World: A look at the effects of the Isthmus of Panama on world climate and species.

Starring:

Alan Alda

Genre: