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U.S. science and technology leadership increasingly challenged by advances in Asia
U.S. science and technology leadership increasingly challenged Asia
2016/1/23
According to the latest federal data, the U.S. science and engineering (S&E) enterprise still leads the world. The United States invests the most in research and development (R&D), produces the most a...
Ancient History of the Arbins, Bearers of Haplogroup R1b, from Central Asia to Europe, 16,000 to 1500 Years before Present
Y Chromosome Mutations Haplotypes Haplogroups TMRCA STR SNP Arbins Aryans R1b
2013/1/31
This article aims at reconstructing the history of R1b ancient migrations between 16,000 and 1500 years before present (ybp). Four thousand four hundred eight (4408) haplotypes of haplogroup R1b (with...