National Geographic : 2015 Jun
35 Phillip Hague, the chief horticulturist at a Denver cannabis company called Mindful, sniffs the roots of a plant to check on their health. He’s grown cannabis most of his life and has traveled the world researching its many varieties. He’s interested in developing new strains with higher concentrations of marijuana’s lesser known compounds that appear to have medical uses. “Cannabis speaks to me,” he says.