It's true that lobsters don't age, but that doesn't quite make them immortal, and it's far from the only fabulously weird thing about them. Learn about lobsters -- including why they're biologically immortal, and how that might help human health in the future -- in this episode of BrainStuff, based on these articles: https://animals.howstuffworks.com/marine-life/400-pound-lobster.htm; https://animals.howstuffworks.com/marine-life/10-weird-facts-lobsters.htm