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Oldest Australian Crayfish Fossils Provide Missing Evolutionary Link
February 12, 2008 — Crayfish body fossils and burrows discovered in Victoria, Australia, have provided the first physical evidence that crayfish existed on the continent as far back as the Mesozoic Era, according to ... > full story -
Did Birds Originate When Dinosaurs Went Extinct, Or Have They Been Around Far Longer?
February 8, 2008 — Did modern birds originate around the time of the dinosaurs' demise, or have they been around far longer? The question is at the center of a sometimes contentious "rocks versus clocks" debate between ... > full story -
Languages Evolve In Rapid Bursts, Rather Than Following A Steady Pattern
February 7, 2008 — Languages change and evolve in rapid bursts rather than in a steady pattern. New research investigates thousands of years of language evolution, and looks at the way in which languages split and ... > full story -
Gene Variants May Help To Distribute The Work Of Evolution Between Men And Women
February 4, 2008 — Scientists have reported the discovery of two common, single-letter variants in the sequence of the human genome that regulate one of the principle motors of evolution. Yet remarkably, the versions ... > full story -
You Are What You Eat: Some Differences Between Humans And Chimpanzees Traced To Diet
February 3, 2008 — Using mice as models, researchers traced some of the differences between humans and chimpanzees to differences in our diet. By feeding laboratory mice different human and chimp diets over a mere two ... > full story -
Conspicuous Social Signaling Drives Evolution Of Chameleon Color Change
February 3, 2008 — In dwarf chameleons, evolutionary shifts in the capacity for color change are associated with increasingly conspicuous signals used in contests and courtship rather than by the need to match ... > full story -
Blue-eyed Humans Have A Single, Common Ancestor
January 31, 2008 — New research shows that people with blue eyes have a single, common ancestor. Scientists have tracked down a genetic mutation which took place 6,000-10,000 years ago and is the cause of the eye color ... > full story -
Secret Of Scottish Sheep Evolution Discovered
January 20, 2008 — Researchers have discovered the secret of why dark sheep on a remote Scottish Island are mysteriously declining, seemingly contradicting Darwin's evolutionary ... > full story -
Columbus May Have Brought Syphilis To Europe From New World
January 15, 2008 — Did Columbus and his men introduce the syphilis pathogen into Renaissance Europe after contracting it during their voyage to the New World? Or does syphilis have a much longer history in the Old ... > full story -
Evolution Of Male-female Differences Within A Shared Genome
January 7, 2008 — One of the major components of the world's biological diversity are the differences between males and females in traits related to mating, including weapons used when competing for mates and display ... > full story -
Smell-wars Between Butterflies And Ants
January 7, 2008 — Large blue butterflies manage to have their larvae adopted and cared-for by ant colonies. They deceive the ants into feeding them while letting their own brood starve. The caterpillar deception is a ... > full story -
Insects' 'Giant Leap' Reconstructed By Founder Of Sociobiology
January 4, 2008 — A survey of advanced social organization in insects calls into question the standard explanation for eusociality Biologist Edward O. Wilson argues that natural selection acting on emergent traits of ... > full story
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