University of Utah
University of Utah: Learn Genetics: What Makes a Firefly Glow?
Ever wonder how a firefly creates light? Trace the process of light production in a firefly from transcription to the production of light as you watch this informative animation.
University of California
Uscb: The Bioluminescence Web Page
A very detailed covering of bioluminescence including myths, organisms, chemistry, physiology, and photos. Contains many links for further information.
University of California
University of California at Santa Barbara: Chemistry of Bioluminescence
A very nice animated basic explanation of the difference between fluorescence and bioluminescence.
PBS
Pbs Teachers: Scientific American: Beneath the Sea: Light Stick Chemistry
Explore chemiluminescence and describe how the temperature of the chemicals that combine in a light stick affects the reaction. Apply that knowledge to understand bioluminescence in deep-sea marine life.