This is big. “The reason it is so eerie to think of a Neanderthal making a hand-image is that the painted hands – not to mention bison, horses and mammoths – found in European caves have come to be seen as the moment when the modern human mind itself is born: the first evidence not just of the intelligence of Homo sapiens but our capacity to imagine and dream, to reflect, in short to possess consciousness. What does it mean if another kind of human species shared those traits? Is there nothing special about us at all?”