Abstract
I show the sense in which the concept of history as a human science affects our theory of the natural sciences and, therefore, our theory of the unity of the physical and human sciences. The argument proceeds by way of reviewing the effect of the Darwinian contribution regarding teleologism and of post-Darwinian paleonanthropology on the transformation of the primate members of Homo sapiens into societies of historied selves. The strategy provides a novel way of recovering the unity of the sciences: by construing the physical sciences themselves as human sciences - and, therefore, as themselves historied