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{audio}https://cpa.ds.npr.org/krcb/audio/2017/05/nbr_5-9-17_cannabis_genome.mp3{/audio}
Cannabis arrived in North America from at least two different directions, but how that evolved into the plants that grow here today is not yet clear, says Phylos Biosciences’ Mowgli Holmes.
{audio}https://cpa.ds.npr.org/krcb/audio/2017/05/n_america.mp3{/audio}
As his team has collected and analyzed samples from hundreds of cannabis plants and products, Holmes says one unexpected finding has emerged.
{audio}https://cpa.ds.npr.org/krcb/audio/2017/05/pot_surprise.mp3{/audio}
