The Speciation of Modern Homo Sapiens (Proceedings of the British Academy)
Palaeontological and genetic work suggests that the transition from a precursor hominid species to modern man took place between 100,000 and 150,000 years ago. Some contributors discuss what is most characteristic of the species, focussing on language and its possible basis in brain lateralization. This work is placed in the context of speciation theory, which has remained a subject of considerable debate since the evolutionary synthesis of Mendelian genetics and Darwinian theory. The timing of specific transitions in hominid evolution is discussed, as also is the question of the neural basis of language. Other contributors address the possible genetic nature of the transition, with reference to changes on the X and Y chromosomes that may account for sex differences in lateralization and verbal ability. These differences are discussed in terms of the theory of sexual selection, and with reference to the mechanisms of speciation.
These essays will be vital reading for anyone interested in the nature and origins of the species, and specifically human abilities.
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HDL Deficiency and Atherosclerosis: Proceedings of a Symposium on 'HDL Deficiency and Atherosclerosis' Held in Munster, Germany, September 7, 1994 (Developments in Cardiovascular Medicine)