41:32
Humans and bacteria
This program presents the human body as a complex ecosystem of bacteria, then examines each portion of the body, which bacteria live there, and why. The three major bacterial groups - sphere-shaped cocci, rods, and helical spirochetes and spirilla -...
51:54
Bacterialand
One day, microbes will eliminate our dirt and garbage, filter our exhaust systems, and help make self-cleaning clothing possible. This program takes viewers on a global journey-from the U.S. to Iceland, Sweden, India, China, Senegal, and Australia-t...