Could this be the best ever use for a deceased jellyfish? A bright spark has found an ingenious use for the corpses of the sea creatures: making them into glow-in-the-dark lamps. U.S. firm The Amazing Jellyfish (theamazingjellyfish.com) take the bioluminescent bodies of creatures that have died of natural causes and encase them in resin, thus preserving not just their bodies, but also their incredible glow-in-the-dark properties.