Mate choice is a key factor in the evolution of new animal species. The choice of a specific mate can decisively influence the evolutionary development of a species. In mice, the attractiveness of a potential ...
Mar 28, 2013
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Researchers are arguing about whether or not the Xenoturbella bocki worm is the progenitor of mankind. But new studies indicate that this is actually the case. Swedish researchers from the University of Got ...
Mar 27, 2013
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A research team at the Sars Centre in Norway and the University Vienna has shed new light on the evolutionary origin of the head. In a study published in the journal PLoS Biology they show that in a simp ...
Feb 21, 2013
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The return of the American robin to back yards across the country is a lovely sign of coming spring. But the little songbird with the orange-red breast and bright blue eggs has some not-so-lovely relatives: ...
Feb 06, 2013
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For more than two decades, scientists have relied on studies that linked juvenile primate tooth development with their weaning as a rough proxy for understanding similar developmental landmarks in the evolution ...
Jan 28, 2013
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Cilia, microscopic whip-like organelles that protrude from the surface of many cell types, are almost ubiquitous. They are present in all eukaryotes—organisms whose cells have a nucleus—and have diversified ...
Jan 02, 2013
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A series of rapid environmental changes in East Africa roughly 2 million years ago may be responsible for driving human evolution, according to researchers at Penn State and Rutgers University.
Dec 24, 2012
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Do bacteria, like higher organisms, have a built-in program that tells them when to die? The process of apoptosis, or cell death, is an important part of normal animal development. In a new study published March 6 in the ...
Mar 06, 2012
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Two remarkable discoveries were today revealed by researchers into genome analysis of Leishmania parasites. These results uncovered a surprising level of variation at the genome structure level.
Oct 27, 2011
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Over the past 530 million years, the vertebrate lineage branched out from a primitive jawless fish wriggling through Cambrian seas to encompass all the diverse forms of fish, birds, reptiles, amphibians, and mammals. Now ...
Aug 18, 2011
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For the first time, scientists have identified a mutation in plants that was selected twice - during both natural evolution and domestication.
Jul 07, 2011
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Japan's many dialects originate in a migration of farmers from the Korean Peninsula some 2,200 years ago, a groundbreaking study borrowing the tools of evolutionary genetics reported Wednesday.
May 04, 2011
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