Some facts about jellyfish according to National Geographic. Jellyfish are favorite meal of sea turtles. In 1991, moon jellies flew aboard the space shuttle Columbia for a study on weightlessness and development of juvenile jellyfish. Although they have no brain, jellyfish have somehow been smart enough to survive for more than 500 million years. Almost by accident, we began experimenting on the moon jelly Aurelia aurita in the lab.  To our delight, we discovered that jellyfish ephyra, the juvenile jellyfish, displays … Continue reading Self-repairing symmetry in jellyfish