Science on the brain with Mark Guttman: I don't want to take the simulation hypothesis into my thought process. It seems like a rabbit hole. Yet it is in agreement with what looks to be deep questions about free will. It's not clear that we have no free will, but how we do have any at all. The direction of the better world project seems unifying and a fact of human survival. That golden age is in our reach if we all work to get there.