Jellyfish are one of the most popular sights at Japanese aquariums. Did you know their bodies are about 95% water? And did you know they have some astonishing abilities? One type of jellyfish is able to do something that humans have been trying to accomplish since ancient times. What could it be? Substances obtained from jellyfish are also being used in medicines, including one remedy for sore knees. Researchers are even hoping to use jellyfish to regrow forests. Join us as we focus in on the amazing powers of jellyfish!