With marijuana legal in two states and approved for medicinal use in about 20 more, this year's 4/20 is gonna be epic, bro! But even as marijuana is being embraced by the mainstream, its image has been left behind in the 1960s. It's time to rebrand weed.
Today on radio show Studio 360, there's a special episode on how science fiction influences today's culture — featuring ISS superstar Chris Hadfield, New York Times science columnist Carl Zimmer, and me! You can listen to it now online.