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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 -
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 -
Not Just Skin Deep: CT Study of Early Humans Reveals Evolutionary Relationships
September 19, 2011 — CT scans of fossil skull fragments may help researchers settle a long-standing debate about the evolution of Africa's Australopithecus, a key ancestor of modern humans that died out some 1.4 million ... > 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 -
Circadian Clocks in a Blind Fish
September 6, 2011 — Do animals that have evolved underground, completely isolated from the day-night cycle, still "know" what time it is? Does a normal circadian clock persist during evolution under constant darkness? A ... > 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
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