 Humans get, you know, surface ears. If you get swimmer's ear or surface ear, those kind of growths in your ear, they have the same growth in Neanderthals. And also we found shells in Neanderthal middens that you can only get from down on the bottom, you know, several metres under the water. So they had to be swimming down to get them. One of the other things I found that was completely extraordinary was I was interviewing...