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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 -
Two Explosive Evolutionary Events Shaped Early History Of Multicellular Life
January 4, 2008 — Scientists have known for some time that most major groups of complex animals appeared in the fossils record during the Cambrian Explosion, a seemingly rapid evolutionary event that occurred 542 ... > full story -
Missing Evolutionary Link Found By Using Tiny Fungus Crystal
January 3, 2008 — The crystal structure of a molecule from a primitive fungus has served as a time machine to show researchers more about the evolution of life from the simple to the complex. By studying the ... > full story -
Gene Neighbors May Have Taken Turns Battling Retroviruses
January 3, 2008 — A cluster of antiviral genes in humans has likely battled retroviral invasions for millions of years. New research now finds that in addition to the previously identified TRIM5 gene that can defend ... > full story -
Evolution Education Is A 'Must' Says Coalition Of Scientific And Teaching Organizations
January 3, 2008 — A coalition of 17 organizations is calling on the scientific community to become more involved in the promotion of science education, including evolution. The introduction of "nonscience," such as ... > full story -
Will Beetles Inherit The Earth? Evolutionary Study Reveals Their Long-term Success
December 26, 2007 — Most modern-day groups of beetles have been around since the time of the dinosaurs and have been diversifying ever since, says new research in Science. Beetles have displayed an exceptional ability ... > full story -
Whales Descended From Tiny Deer-like Ancestors
December 21, 2007 — Scientists since Darwin have known that whales are mammals whose ancestors walked on land. But one critical step was missing: The identity of the land ancestors of whales. Researchers have now ... > full story -
Evolution With A Restricted Number Of Genes
December 18, 2007 — Single-cell organisms were already in existence 500 million years ago, with several thousand genes providing different cellular functions. Further developments seemed dependent on producing even more ... > full story -
Losses Of Long-established Genes Contribute To Human Evolution
December 15, 2007 — While it is well understood that the evolution of new genes leads to adaptations that help species survive, gene loss may also afford a selective advantage. Scientists identified 26 losses of ... > full story
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