Fireflies communicate with a "language of light" that scientists still don't completely understand. James Lloyd and Marc Branham of the University of Florida, Gainesville, discuss unique flash patterns and times for some of the 2,000 types of fireflies that light up the summer nights.
Produced by Emily V. Driscoll
Narrated by Ira Flatow
Additional Stills by
YikrazuulMusic by Audio Network
"Brilliant Darkness" movie funded by the Zoological Lighting Institute.
James Karl Fischer
The Zoological Lighting Institute (http://www.zoolighting.org/)