To hungry humans, glow-in-the-dark food may seem suspicious and unappetizing. To creatures that swim, slither and crawl in the darkest depths of the ocean, however, a glowing bug may be a welcome and easy snack. Scientists have come up with many ideas about why organisms light up. New experiments on tiny, glow-in-the-dark bacteria that live in the sea support the idea that a microbe’s glow isn’t just for show. Hungry animals are attracted to the light and eat the microbes, which then cruise around the ocean inside the animal’s guts. Read more here http://www.sciencenewsforkids.org/2012/01/glowing-gutsy-hitchhikers/
