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Pumice Proposed as Home to the First Life Forms
October 4, 2011 — The glassy, porous, and once gas-rich rock called pumice may have given rise to early life forms, according to a provocative new hypothesis on the origin of ... > full story -
Humans and Sharks Share Immune System Feature
September 30, 2011 — A central element of the immune system has remained constant through more than 400 million years of evolution, according to new research. T-cell receptors from mice continue to function even when ... > full story -
Salty Water and Gas Sucked Into Earth's Interior Helps Unravel Planetary Evolution
September 26, 2011 — An international team of scientists has provided new insights into the processes behind the evolution of the planet by demonstrating how salty water and gases transfer from the atmosphere into the ... > full story -
Invasion of Genomic Parasites Triggered Modern Mammalian Pregnancy, Study Finds
September 25, 2011 — Genetic parasites invaded the mammalian genome more than 100 million years ago and dramatically changed the way mammals reproduce -- transforming the uterus in the ancestors of humans and other ... > full story -
Aboriginal Australians: The First Explorers
September 22, 2011 — In an exciting development, researchers have, for the first time, pieced together the human genome from an Aboriginal Australian. The results re-interpret the prehistory of our ... > full storyMore: -
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
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