 ?? / AP ?? LIFE. In this photo provided by the University of Florida, a researcher harvests a thale cress plant growing in lunar soil, at a laboratory in Gainesvill­e, Fla. For the first time, scientists have used lunar soil collected by long-ago moonwalker­s to grow plants, with results promising enough that NASA and others already are envisionin­g hothouses on the moon for the next generation of lunar explorers.