The Side Effects of Bipedalism

Tubi: I think on speaking about classic evolution natural selection, that's true. But brain-based evolution and natural selection, like cultural natural selection, is false. So the idea about all this is that these modules that we developed over time as like we came upon new problems in our environments started to kind of get cross-referenced here and there. All of a sudden we now not only just know to following the sunset if we want to follow the sunset, we also know we can use that same ability to follow game around. And now all of a sudden our diet expands, that kind of thing.