Independent groups of researchers (e.g., Hössjer et al. 2016), more or less skeptical of common ancestry, have suggested the alternative model of initial heterozygotic diversity.
Who were the Neanderthals? Were they ape-like primitives with low intelligence, or were they more like us–perhaps nearly identical to modern humans in both body and mind? Biology textbooks often portray Neanderthals as unintelligent versions of modern humans. For example, this graphic from Biology: The Dynamics of Life (pg. 483, 2000 ed.) portrays Neanderthals as stooped primitives struggling kill a giant bear using clubs, spears, and incompetently, a burning stick: But according to a recent article in the Washington Post, Neanderthals may have been virtually indistinguishable from modern humans in terms of both their appearance and intelligence. A lead author on the study declared that “we would understand both to be human. There’s good reason to think that they did Read More ›