Speciation begins when populations become genetically separated through a substantial reduction in gene flow, and it is at this point that a genetically cohesive set of populations attain the sole property of species: the ...
Biotechnology
Mar 31, 2010
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Modern humans spread out of Africa 20,000 years later than previously thought, according to new genetic research just published.
Archaeology
Sep 4, 2009
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(PhysOrg.com) -- DNA study suggests that further waves of prehistoric immigration are waiting to be discovered. Central and northern Europe's first farmers were immigrants with barely any ancestral ties to the modern population, ...
Archaeology
Sep 3, 2009
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Researchers at the University of Leeds have devised a more accurate method of dating ancient human migration - even when no corroborating archaeological evidence exists.
Cell & Microbiology
Jun 4, 2009
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The Neanderthals inhabited a vast geographical area extending from Europe to western Asia and the Middle East 30,000 to 100,000 years ago. Now, a group of researchers are questioning whether or not the Neanderthals constituted ...
Evolution
Apr 15, 2009
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Parents and school nurses take note. Lice are a familiar nuisance around the world and vectors of serious diseases, such as epidemic typhus, in developing regions. New research indicates that lice may actually be quite ...
Cell & Microbiology
Mar 30, 2009
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