When Charles Darwin first sketched how species evolved by natural selection, he drew what looked like a tree. The diagram started at a central point with a common ancestor, then the lines spread apart as organisms evolved ...
Jan 9, 2013
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(Medical Xpress)—Millions of Americans take antidepressants such as Prozac, Effexor, and Paxil, but the explanations for how they work never satisfied René Hen, a professor of psychiatry, neuroscience and pharmacology.
Sep 21, 2012
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According to researchers at Moffitt Cancer Center, cancer is subject to the evolutionary processes laid out by Charles Darwin in his concept of natural selection. Natural selection was the process identified by Darwin by ...
Jun 21, 2012
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If Pygmies are known for one trait, it is their short stature: Pygmy men stand just 4'11" on average. But the reason why these groups are so short and neighboring groups are not remains unclear. Scientists have proposed various ...
Apr 26, 2012
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It should be possible to significantly improve the response of common cancers to existing "classical" chemotherapy drugs, say scientists at Cold Spring Harbor Laboratory (CSHL), by introducing agents that alter the interaction ...
Apr 16, 2012
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Human genes are preferentially encoded by codons that are less likely to be mistranscribed (or "misread") into a STOP codon. This finding by Brian Cusack and colleagues from the Max Planck Institute for Molecular Genetics ...
Oct 13, 2011
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(AP) -- After an emotional debate, German lawmakers voted Thursday to allow a procedure that looks for genetic disorders in embryos before they are implanted in the womb.
Jul 7, 2011
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