I had all the material for a long time, but I was just too busy. Sometimes we'd sit around at home and sing some of these songs at family things, and everyone always said I should record them.
I discourage passive skepticism, which is the armchair variety where people sit back and criticize without ever subjecting their theories or themselves to real field testing.
We are concerned that, in a few years time, this place of discovery, with its wealth of human fossils, the like of which can be found nowhere else in the world, could be completely destroyed.