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Evolution and the Ice Age
February 26, 2013 — Scientists are discovering how the evolution of ecosystems has to be taken into account when speculating between different geological eras. Go back to the time of the dinosaurs or to the ... > full story -
Molecules Assemble in Water, Hint at Origins of Life
February 20, 2013 — Researchers are exploring an alternate theory for the origin of RNA: they think the RNA bases may have evolved from a pair of molecules distinct from the bases we have today. This theory looks ... > full story -
Mutant Champions Save Imperiled Species from Almost-Certain Extinction
February 19, 2013 — Species facing widespread and rapid environmental changes can sometimes evolve quickly enough to dodge the extinction bullet. Scientists consider the genetic underpinnings of such an "evolutionary ... > full story -
Ancient Teeth Bacteria Record Disease Evolution
February 17, 2013 — DNA preserved in calcified bacteria on the teeth of ancient human skeletons has shed light on the health consequences of the evolving diet and behavior from the Stone Age to the modern ... > full story -
'The Scars of Human Evolution': Physical Fallout from Two-Footed Walking
February 17, 2013 — From sore feet to backaches, blame it on human ... > 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
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