Fourteen Ways of Looking at Jellyfish

Description

"A graceful bundle of nerves three times as ancient as the dinosaurs, the jellyfish is no fish but a spineless invertebrate without brain, heart, blood, or bones. Inside glass tanks in crowded aquariums, jellies hold visitors rapt with their slow-motion water ballet. Most of the world's nearly four thousand species emit an otherworldly light, glowing red, yellow, violet, or blue in the underwater dark.