But what we're not seeing is those kinds of behaviours that make us go They're us.

If we think the genes can predispose certain behaviours, then the present justice system is rendered useless.

They've made the argument potentially even that the change started here, but that some sort of genetic mutation or something else happened around 40 50,000 years ago, and that that was when truly modern behaviour, the full suite of behaviours that we associate with being modern, music and mathematics and the ability to envision things that aren't there, and all of these things which are very much about us, and, of course, full language, communication, all that kind of thing.