In August, researchers announced they had genetically engineered yeast to produce the powerful painkiller hydrocodone. Now comes the perhaps inevitable sequel: Scientists have created yeasts that can make important constituents of marijuana, including the main psychoactive compound, tetrahydrocannabinol, or THC. Synthetic versions of THC are available in pill form under brand … [Read more...] about In The News – Newly Risen From Yeast: THC, the main psychoactive compound found in marijuana.