Scientists have long suspected that the sex chromosome that only males carry is deteriorating and could disappear entirely within a few million years, but until now, no one has understood the evolutionary processes that control ...
Evolution
Jul 17, 2009
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For two decades, researchers have been using a growing volume of genetic data to debate whether ancestors of Native Americans emigrated to the New World in one wave or successive waves, or from one ancestral Asian population ...
Evolution
Apr 29, 2009
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We're not finished yet. Even today, scientists say that human beings are continuing to evolve as our genes respond to rapid changes in the world around us. In fact, the pressures of modern life may be speeding up the pace ...
Evolution
Apr 13, 2009
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A female moth selects a mate based on the scent of his pheromones. An analysis of the pheromones used by the European Corn Borer (ECB, Ostrinia nubilalis), featured in the open access journal BMC Biology, shows that females ...
Plants & Animals
Mar 3, 2009
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(PhysOrg.com) -- Head lice are a challenge for parents of primary-school aged children all around the world, including Australia.
Jan 27, 2009
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(PhysOrg.com) -- Even though scientists have successfully sequenced the human genome, they still lack a clear picture of exactly how coding and non-coding DNA sequences function together, or how genomes evolve over time. ...
Jan 15, 2009
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A study on genetic variation led by a scientist at Albert Einstein College of Medicine of Yeshiva University was selected by Nature as one of 15 "evolutionary gems" of the past decade. The 15 studies were selected by Nature ...
Jan 12, 2009
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Evolutionary biology tells us that replaying life's tape will not not look at all like the original. The outcome of evolution is contingent on everything that came before. Now, scientists at the Instituto Gulbenkian de Ciencia ...
Jan 11, 2009
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