The Potential for a Cataclysm

We are weakening the force of evolutionary pressures kind of thing because we're messing with the dynamism of the process, right? And he also notes that we've seen this massive decline in sperm counts. We're talking about some of the ways that we're beginning to buy engineer our future. If you look at a gray alien, again, you see a being that doesn't have the kind of defined musculature that we do.