Life in the future centuries is touch upon this story with the depiction of the strange and prophetical effects upon the human intellect of a strange chemical imported from, what may be, the most distant of planets.
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"It is remarkable," said Dr. Manners," how the scope of our pharmacopoeia has been widened by interplanetary exploration. In the past thirty years, hundreds of hitherto unknown substances, employable as drugs or medical agents, have been found in the other worlds of our own system. It will be interesting to see what the Allan Farquar expedition will bring back from the planets of Alpha Centaurt when--or if—it succeeds in reaching then and returning to earth. I doubt, though, if anything more valuable than selenine will be discovered. Selenine, derived from a fossil lichen found by the first rocket-expedition to the moon in 1975, has, as you know, practically wiped out the old-time curse of cancer. In solution, it forms the base of an infallible serum, equally useful for cure or prevention. I fear I haven't kept up on a lot of the new discoveries," said Rupert Balcoth the sculptor, Manners' guest, a little apologetically. "Of course, everyone has heard of selenine. And I've seen frequent mention, recently, of a mineral water from Ganymede whose effects are like those of the mythical Fountain of Youth."
