The reason we stood up is the million-dollar question in anthropology.

Million Dollar Baby

To the degree you overexpose yourself, you become an inflated commodity, which in turn causes a devaluation of you in the eyes of others.

We find it difficult to believe that all of these changes could occur more than once.

This is hard to explain, but easy to demonstrate.

They don't all look alike. There are some very different shapes, with implications of how these fossils walked.