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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 -
Where Does Our Head Come From? Brainless Sea Anemone Sheds New Light on the Evolutionary Origin of the Head
February 20, 2013 — A research group has shed new light on the evolutionary origin of the head. Scientists show that in a simple, brainless sea anemone, the same genes that control head development in higher animals ... > 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 -
Jurassic Records Warn of Risk to Marine Life from Global Warming
February 19, 2013 — The risk posed by global warming and rising ocean temperatures to the future health of the world's marine ecosystem has been highlighted by scientists studying fossil ... > full story -
Ancient Fossilized Sea Creatures Yield Oldest Biomolecules Isolated Directly from a Fossil
February 18, 2013 — Though scientists have long believed that complex organic molecules couldn’t survive fossilization, some 350-million-year-old remains of aquatic sea creatures uncovered in Ohio, Indiana, and ... > 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 -
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
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