Melange is the name of the fictional drug (also known as [the] spice) central to the Dune series of science fiction novels by Frank Herbert, and derivative works. The most essential and valuable commodity in the universe, melange is a geriatric drug that gives the user a longer lifespan, greater vitality, and heightened awareness; it can also unlock prescience in some subjects, depending upon the dosage and the consumer's physiology. This prescience-enhancing property makes interstellar travel… (More on Melange)