Nature vs. nurture has long been one of the great debates in science—is behavior hard-wired into the brain, or determined by environment? In at least some cases, Harvard researchers are showing, how animals behave is in ...
Plants & Animals
Jan 16, 2013
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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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In the advanced online edition of Molecular Biology and Evolution, authors Domman, et al. have explored factors behind the resilience of the most common sexually transmitted disease in the U.S., chlamydia, with an estimated ...
Biotechnology
Oct 14, 2014
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Highlighting an important but unexplored area of evolution, scientists at The Scripps Research Institute (TSRI) have found evidence that, over hundreds of millions of years, an essential protein has evolved chiefly by changing ...
Cell & Microbiology
Sep 29, 2013
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(Phys.org) —Human migrations – from the prehistoric epoch to the present day – have extended cultures across the globe. With these travelers have come unwanted stowaways: mosquito-borne parasites belonging to the Plasmodium ...
Cell & Microbiology
Jul 11, 2013
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(Phys.org)—Part of the ancient mystery of the makeup of the modern Western dog has been solved by a team led by researchers at the University of California, Davis, School of Veterinary Medicine.
Plants & Animals
Feb 25, 2013
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(Phys.org) -- When tropical marine cone snails sink their harpoon-like teeth into their prey, they inject paralyzing venoms made from a potent mix of more than 100 different neurotoxins.
Biotechnology
Apr 10, 2012
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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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New findings from an international team of researchers show that most neanderthals in Europe died off around 50,000 years ago.
Archaeology
Feb 26, 2012
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(PhysOrg.com) -- A bacterium whose name was inspired by the Star Wars films has provided new clues into the evolution of our own cells and how they came to possess the vital energy-producing units called mitochondria.
Cell & Microbiology
Dec 9, 2011
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