Learn all about the longest-living animals on the planet. Which animal holds the all-time record? How does a slower metabolism affect longevity? How does a large number of neurons in the cerebral cortex affect an animal's lifespan? Is the "immortal jellyfish" really immortal? How can studying it benefit humans and unlock the secret to living longer and healthier lives? The answers to all of these questions and more are covered in depth with detailed graphics, diagrams and exciting video that reinforce important concepts and make learning fun.

Originally released by Wonderscape Entertainment, 2022. Streaming video file encoded with permission for digital streaming by Infobase on July 25, 2023.