Jars containing various strands of medical marijuana sit behind a display case at the River Rock Medical Marijuana Center in Denver, in 2013.
Jars containing various strands of medical marijuana sit behind a display case at the River Rock Medical Marijuana Center in Denver, in 2013. Anthony Souffle MCT
Jars containing various strands of medical marijuana sit behind a display case at the River Rock Medical Marijuana Center in Denver, in 2013. Anthony Souffle MCT

Legal pot industry descends on Florida as voters consider medical marijuana

May 10, 2016 06:43 PM

More Videos

  • Drone race: Human versus artificial intelligence

    In a world fraught with obstacles, who will prevail in a race against time: human or machine? See what happens when JPL engineers race a drone controlled by artificial intelligence against another guided by a professional human pilot.