The phenomenon of bioluminescence first evolved in animals at least 540 million years ago, a new study has discovered.The first animals to ever glow in this way were marine invertebrates called octocorals, the study conducted by researchers at the Smithsonian's National Museum of Natural History reported.Bioluminescence refers to the glow that some marine organisms can produce. The glow can make these animals look like they are electrical, giving of a beautiful colored light. The phenomenon is... Read this story
