What exactly are "creatures of light?" As it happens, they are those organisms that employ bioluminescence, the "generation of light by living things." This dramatic online exhibit from the American Museum of Natural History complements an in situ exhibit that explores the world of these creatures. The materials here are divided into four primary sections, including Meet the Curator, Behind the...

The San Diego Natural History Museum (SDNHM) has recently added a downloadable Teacher's Guide to its Web site for Glow: Living Lights -- "the first-ever museum exhibition to explore the phenomenon of bioluminescence." The 48-page Teacher's Guide is loaded with great lesson plans for grades 3-6. The activities may be used without a visit to the actual exhibit, although the Teacher's Guide also...