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Modern Life May Cause Sun Exposure, Skin Pigmentation Mismatch
February 17, 2013 — As people move more often and become more urbanized, skin color -- an adaptation that took hundreds of thousands of years to develop in humans -- may lose some of its evolutionary advantage, ... > full story -
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 -
Genetic Study Pursues Elusive Goal: How Many Humpbacks Existed Before Whaling?
February 13, 2013 — Scientists are closing in on the answer to an important conservation question: how many humpback whales once existed in the North ... > full story -
Ice Age Extinction Shaped Australian Plant Diversity
February 13, 2013 — Researchers have shown that part of Australia's rich plant diversity was wiped out by the ice ages, demonstrating that extinction, probably more than evolution, influences ... > full story -
Animal Bite Force: Size of Lunch Dictates Force of Crunch
February 12, 2013 — Even in the same animal, not all bites are the same. A new study finds that because the force in a muscle depends on how much it is stretched, an animal's bite force depends on the size of what it is ... > full story -
Ancient Insects Shed Light on Biodiversity
February 12, 2013 — Evolutionary biologists have discovered that modern tropical mountains' diversity patterns extended up into Canada about 50 million years ago. Their findings confirm an influential theory about ... > full story
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