Many scholars of Renaissance art tell us that Botticelli's Birth of Venus captures the tension between the celestial perfection of divine beauty and its flawed earthly manifestation. As classical ideas blossomed anew in 15th-century ...
Social Sciences
Mar 6, 2015
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Climate changes profoundly influenced the rise and fall of six distinct, successive waves of mammal species diversity in North America over the last 65 million years, shows a novel statistical analysis led by Brown University ...
Evolution
Dec 26, 2011
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Happy Darwin Day! Is that even an appropriate thing to wish somebody? Especially so close to Valentine's day?
Evolution
Feb 12, 2014
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Dogs and wolves are genetically so similar, it's been difficult for biologists to understand why wolves remain fiercely wild, while dogs can gladly become "man's best friend." Now, doctoral research by evolutionary biologist ...
Plants & Animals
Jan 17, 2013
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Evolutionary biologists at the University of Toronto have found that environment plays a key role in determining whether a species opts for sexual over asexual reproduction.
Plants & Animals
Oct 14, 2010
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Any multicellular animal, from a blue whale to a human being, poses a special difficulty for the theory of evolution. Most of the cells in its body will die without reproducing, and only a privileged few will pass their genes ...
Cell & Microbiology
Dec 15, 2011
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(PhysOrg.com) -- Chinese scientists today reveal the discovery of five remarkable new feathered dinosaur fossils which are significantly older than any previously reported. The new finds are indisputably older than Archaeopteryx, ...
Paleontology & Fossils
Sep 25, 2009
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Complex brains evolved much earlier than previously thought, as evidenced by a 520-million year old fossilized arthropod with remarkably well-preserved brain structures. Representing the earliest specimen to show a brain, ...
Archaeology
Oct 10, 2012
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2
Tuberculosis (TB) remains one of deadliest infectious diseases of humans, killing 50% of individuals when left untreated. Even today, TB causes 1-2 million deaths every year mainly in developing countries. Multidrug-resistance ...
Biotechnology
Sep 1, 2013
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(PhysOrg.com) -- A University of Oregon research team has found that evolution can never go backwards, because the paths to the genes once present in our ancestors are forever blocked. The findings -- the result of the first ...
Evolution
Sep 23, 2009
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