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Fluid Equilibrium in Prehistoric Organisms Sheds Light on a Turning Point in Evolution
September 22, 2011 — Maintaining fluid balance in the body is essential to survival. By researching recent genomic data, researchers have found genetic evidence that links this intricate process to a turning point in ... > full story -
Asia Was Settled in Multiple Waves of Migration, DNA Study Suggests
September 22, 2011 — Researchers studying DNA patterns from modern and archaic humans has found that the Denisovans, a recently discovered hominin group, contributed genes to several populations in Asia and that modern ... > full storyMore: -
Using Human Genomes to Illuminate the Mysteries of Early Human History
September 21, 2011 — Researchers are utilizing the complete genome sequences of people alive today to shed light on events at the dawn of human history, such as the times of divergence of early human populations and of ... > full story -
Climatic Fluctuations Drove Key Events in Human Evolution, Researchers Find
September 21, 2011 — Researchers have found that periods of rapid fluctuation in temperature coincided with the emergence of the first distant relatives of human beings and the appearance and spread of stone ... > full story -
Continents Influenced Ancient Human Migration, Spread of Technology
September 19, 2011 — New research pieces together ancient human migration in North and South America. Researchers have found that technology spread more slowly in the Americas than in Eurasia. Population groups in the ... > full storyMore: -
Experts Discover Oldest DNA Regulatory Region Known to Date in Vertebrates and Invertebrates
September 19, 2011 — A team of scientists has discovered the oldest known DNA regulatory region. The team identified a small DNA fragment, with a deeply conserved noncoding sequence region (CNR), in the vicinity of soxB2 ... > full story -
Previously Unknown Ocean Bacteria Lead Scientists to Entirely New Theories
September 16, 2011 — Earth's most successful bacteria are found in the oceans and belong to the group SAR11. Researchers have now provide an explanation for their success and at the same time call into question generally ... > full story -
Human-Chimp Evolutionary Divergence: Methylation and Gene Sequence Co-Evolved, Study Suggests
September 15, 2011 — Scientists published the first quantitative evidence supporting the notion that genome-wide "bookmarking" of DNA with methyl molecules -- a process called methylation -- and underlying DNA sequences ... > full story -
Woolly Mammoth's Secrets for Shrugging Off Cold Points Toward New Artificial Blood for Humans
September 14, 2011 — The blood from woolly mammoths -- those extinct elephant-like creatures that roamed Earth in pre-historic times -- is helping scientists develop new blood products for modern medical procedures that ... > full story -
Evolution Keeps Sex Determination Flexible
September 12, 2011 — There are many old wives' tales about what determines a baby's sex, yet it is the tight controls at the gene level that determine an organism's sex in most species. Researchers have found that even ... > full story -
Endangered Horse Has Ancient Origins and High Genetic Diversity, New Study Finds
September 7, 2011 — An endangered species, Przewalski's horse, is much more distantly related to the domestic horse and has a much more diverse gene pool than researchers previously had hypothesized, researchers report. ... > full story -
Evidence for a Persistently Iron-Rich Ocean Changes Views on Earth's Early History
September 7, 2011 — Researchers report that the ancient deep ocean was not only devoid of oxygen but also rich in iron, a key biological nutrient, for nearly a billion years longer than previously thought -- right ... > full story
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