Prehistory is all around us. We just need to know where to look. Juan Jos? Mill?s has always felt like he doesn't quite fit into human society. Sometimes he wonders if he is even a Homo sapiens at all, or something simpler. Perhaps he is a Neanderthal who somehow survived? So he turns to Juan Luis Arsuaga, one of the world's leading palaeontologists and a super-smart sapiens, to explain why we are the way we are and where...