… and now the geneticists say I may have 2% Neanderthal DNA, which presumably changes the status of Neanderthals, or the [definition] of species, or [possibly] both.

The units of paleontology, and of biology more generally, are different from the units of paleoanthropology, in that the latter are units in a story of our ancestors, and the ancestors are invariably sacred.

On why the species of historic hominids are so numerous and contested.