All cattle are descended from as few as 80 animals that were domesticated from wild ox in the Near East some 10,500 years ago, according to a new genetic study.
Evolution
Mar 27, 2012
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An international team of researchers studying DNA patterns from modern and archaic humans has uncovered new clues about the movement and intermixing of populations more than 40,000 years ago in Asia.
Biotechnology
Sep 22, 2011
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An Ohio State University molecular biologist leveraged a supercomputer to help better define the family tree of a group of enzymes that have been implicated in a wide range of human diseases and are important targets for ...
Cell & Microbiology
Mar 8, 2011
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With the genetics of so many organisms that have different traits yet to study, and with the techniques for gathering full sets of genetic information from organisms rapidly evolving, the "forest" of evolution can be easily ...
Evolution
Feb 24, 2011
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Leafcutter ants, signature denizens of New World tropical forests, are unique in their ability to harvest fresh leaves to cultivate a nutrient-rich fungus as food.
Biotechnology
Feb 10, 2011
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A mathematically driven evolutionary snapshot of woody plants in four similar climates around the world has given scientists a fresh perspective on genetic diversity and threats posed by both extinctions and loss of habitat.
Ecology
Dec 16, 2010
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Understanding the evolution of life-threatening viruses like influenza, Ebola and dengue fever, could help us to minimize their impact. New research points the way to a fossil record of viruses that have insinuated themselves ...
Biotechnology
Nov 18, 2010
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(PhysOrg.com) -- In contrast to a toothed whale, which retains teeth that aid in capturing prey, a living baleen whale (e.g., blue whale, fin whale, humpback, bowhead) has lost its teeth and must sift zooplankton and small ...
Plants & Animals
Sep 29, 2010
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Genetic researchers from the University of Pennsylvania have combined data from existing archaeological and linguistic studies of Africa with human genetic data to shed light on the demographic history of the continent from ...
Evolution
May 26, 2010
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(PhysOrg.com) -- UConn researchers have shown that genetic similarity may come from preferential gene sharing rather than shared ancestry.
Cell & Microbiology
May 18, 2010
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