Food could potentially use up a lot of valuable weight too, so the sailors live exclusively on a diet of freeze-fried, vacuum-packed dinners.

CNN: How extreme sailors keep from cracking

We will be able to absorb and retain the entirety of the universe's knowledge, eat as much as we want without gaining weight, shape-shift into just about any physical form imaginable, live free from disease and die at the time of our choosing.

CNN: STORY HIGHLIGHTS