The phrase "tissue culture" can get cannabis folks excited and yet not many have a good idea of what it is or how the cannabis plant can benefit from its opportunities. In this episode of Shaping Fire, host Shango Los welcomes back cannabis geneticist Ryan Lee to discuss what tissue culture is, the opportunities found in micropropagation, how to remove viruses and other impediments from important cannabis cultivars, and the wide range of other scientific possibilities that tissue culture holds.