Scientists have just proven for the first time that it's possible to engineer yeast to make THC, arguably the most important chemical in marijuana. But do we want to get high using lab-made drugs when the real thing works so well?

On this week's Radio Motherboard, we talk about the future of both synthetic drugs and lab-grown natural ones, Senior Editor Brian Merchant tries to make us care about fossil fuel divestment that could save the climate, producer Jaimie Sanchez tells us about cliff diving in Italy, and I talk about why DC's crypto wars have gotten so exhausting.

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