http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Despite the great cultural, physical, and genetic diversity found amongst the numerous West Central African human populations that are collectively designated as "Pygmies," a report published online on February 5th in Current Biology finds that they diverged from a single ancestral population just about 2,800 years ago. http://www.physorg.com/news153059316.html Biology Thu, 05 Feb 2009 12:29:00 EST news153059316 In a recently conducted study, a multidisciplinary French-American research team with expertise in archaeology, past climates, and ecology reported that Neanderthal extinction was principally a result of competition with Cro-Magnon populations, rather than the consequences of climate change. http://www.physorg.com/news149769271.html Other Sciences Mon, 29 Dec 2008 10:34:31 EST news149769271 Some human populations may rely on biological factors in addition to social factors when selecting a mate. In a recent study, published September 12 in the open-access journal PLoS Genetics, scientists in China, France, and the United Kingdom report genomic data showing that immunity traits may be involved in mate choice in some human populations. http://www.physorg.com/news140411118.html Biology Fri, 12 Sep 2008 04:05:18 EST news140411118