Archive: 01/27/2009

'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 ...

Jan 27, 2009 4.2 / 5 (5) 0

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 ancest ...

Jan 27, 2009 4.8 / 5 (9) 2 weblog

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 He ...

Jan 27, 2009 4.7 / 5 (3) 2

Emperor penguins march toward extinction?

Popularized by the 2005 movie "March of the Penguins," emperor penguins could be headed toward extinction in at least part of their range before the end of the century, according to a paper by Woods Hole Oceanographic ...

Jan 27, 2009 3.3 / 5 (3) 1