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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 -
Jumping Gene's Preferred Targets May Influence Genome Evolution
September 6, 2011 — Our genetic blueprint contains numerous entities known as transposons, which have the ability to move from place to place on the chromosomes within a cell. An astounding 50 percent of human DNA ... > full story -
Ancient Humans Were Mixing It Up: Anatomically Modern Humans Interbred With More Archaic Hominin Forms While in Africa
September 5, 2011 — Anatomically modern humans interbred with more archaic hominin forms even before they migrated out of Africa, a team of researchers has found. The discovery suggests genetic exchange with their more ... > full storyMore: -
Rock Rafts Could Be 'Cradle of Life'
September 3, 2011 — Floating rafts of volcanic pumice could have played a significant role in the origins of life on Earth, scientists from have ... > full story -
Woolly Rhino Fossil Discovery in Tibet Provides Important Clues to Evolution of Ice Age Giants
September 1, 2011 — Fossil discoveries from Tibet offer new insights into the origin of the cold-adapted Pleistocene megafauna. A new research paper posits that the harsh winters of the rising Tibetan Plateau may have ... > full storyMore: -
Humans Shaped Stone Axes 1.8 Million Years Ago: Advanced Tool-Making Methods Pushed Back in Time
August 31, 2011 — A new study suggests that Homo erectus, a precursor to modern humans, was using advanced toolmaking methods in East Africa 1.8 million years ago, at least 300,000 years earlier than previously ... > full story -
First Lizard Genome Sequenced: Green Anole Lizard's Genome Sheds Light on Vertebrate Evolution
August 31, 2011 — The green anole lizard is an agile and active creature, and so are elements of its genome. This genomic agility and other new clues have emerged from the full sequencing of the lizard's genome and ... > full story -
Black Death Bacterium Identified: Genetic Analysis of Medieval Plague Skeletons Shows Presence of Yersinia Pestis Bacteria
August 29, 2011 — A team of German and Canadian scientists has shown that today's plague pathogen has been around at least 600 years. The Black Death claimed the lives of one-third of Europeans in just five years from ... > full story
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