Archive: 27/01/2009

'Fishy' clue helps establish how proteins evolve

(PhysOrg.com) -- Three billion years ago, a "new" amino acid was added to the alphabet of 20 that commonly make up proteins in organisms today. Now researchers at Yale and the University of Tokyo have demonstrated how this ...

dateJan 27, 2009 in
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Darwin's Tree of Life May Be More Like a Thicket

(PhysOrg.com) -- In On The Origin of Species, Darwin used the image of a tree of life to illustrate how species evolve, one from another. Even today, branches sprouting from lower branches (representing ancestors) is how ...

dateJan 27, 2009 in weblog
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Pharmaceutical disobedience

Healthcare consumers, benefits managers, and even government officials are using the internet to buy unapproved prescription drugs illegally, according to a report to be published in the International Journal of Electronic ...

dateJan 27, 2009 in Health
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