Most of us know by now that recreational cannabis became legal in California on January 1. But there's still a lot we don't know about the plant, despite its long history of human use, says Eric Siegel, the director of the UC Botanical Garden. So the garden is hosting a lecture series called the "Science of Cannabis," where experts will discuss everything from the environmental impacts of large-scale cannabis cultivation to the neurological effect of cannabis in our brains.

Read more about the lecture series on Berkeley News: http://bit.ly/2DhfCM7

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