The Only Anal Leakage

All life on earth, the amino acids that make up our proteins have the same handedness. Mushrooms set on our tree of life just fine. They do. There's nothing in principle that would have prevented an entire other genesis of life coexisting with us that has a different handedness. That's interesting because the theory that mushrooms came from an asteroid or something? Have you ever heard that? I don't know where you heard that?"