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Evolution Helped Turn Hairless Skin Into a Canvas for Self-Expression
February 17, 2013 Hairless skin first evolved in humans as a way to keep cool -- and then turned into a canvas to help them look cool, according to an ... > full story -
Is There a Neanderthal in the House?
February 17, 2013 As we humans evolved over the millennia to walk on two legs, grow larger brains and shorter jaws, bear big babies and live longer, we’ve also experienced some negative consequences. But keeping ... > full story -
Humans and Chimps Share Genetic Strategy in Battle Against Pathogens
February 14, 2013 A search for long-lived balancing selection has found at least six regions of the genome where humans and chimpanzees share a combination of genetic variants. These human genetic variation dates back ... > full story -
Why Good Hair Matters: First Animal Model of Recent Human Evolution Reveals That Mutation for Thick Hair Does Much More
February 14, 2013 The first animal model of recent human evolution reveals that a single mutation produced several traits common in East Asian peoples, from thicker hair to denser sweat glands, and computer models ... > full story -
Studies Reveal Genetic Variation Driving Human Evolution
February 14, 2013 A pair of studies sheds new light on genetic variation that may have played a key role in human evolution. The study researchers used an animal model to study a gene variant that could have helped ... > full story -
Scientists Identify Genetic Mechanism That Contributed to Irish Famine
February 6, 2013 Plant pathologists studied the pathogen that triggered the Irish Famine of the 19th century by infecting potato plants, and deciphered how it succeeded in crippling the potato plant's immune ... > full story -
First Artificial Enzyme Created by Evolution in a Test Tube
January 30, 2013 A wobbly new biochemical structure in one scientist's lab may resemble what enzymes looked like billions of years ago, when life on Earth began to evolve -- long before they became ingredients for ... > full story -
Survival of the Prettiest: Sexual Selection Can Be Inferred from the Fossil Record
January 29, 2013 Detecting sexual selection in the fossil record is not impossible. The term "sexual selection" refers to the evolutionary pressures that relate to a species' ability to repel rivals, meet mates and ... > full story -
New Dinosaur Fossil Challenges Bird Flight Origins Theories
January 24, 2013 The discovery of a new bird-like dinosaur from the Jurassic period challenges widely accepted theories on the origin of flight. A new paper describes a new feathered dinosaur about 30 centimeters in ... > full story -
Brain of Ampelosaur from Cuenca (Spain) Revealed
January 23, 2013 Scientists have made a 3-D reconstruction of the remains of ampelosaur, found in 2007 in the site of Lo Hueco (Cuenca). The fossils are about 70 million years old (Late ... > full story
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