BOULDER, COLORADO—Atmospheric scientist William Vizuete grew his dozen pot plants in a garage here, on shelves tucked between some bicycles and a lawn mower. The researcher at the University of North Carolina in Chapel Hill wasn’t looking for a high—just data. His team aimed to measure the volatile organic compounds (VOCs) released into the air by four varieties of cannabis—including strains dubbed Lemon Wheel, Elephant Purple, and Rockstar Kush—as they grew, rather than when they were smoked.

Read more…pixabay