Archive: 27/01/2009

The secretive immune system of the salmon

During his doctoral thesis, Erlend Haugarvoll discovered new aspects of the salmon immune system. His research looked at the immune cells in the gills of salmon and at immune responses to vaccination. A special type of tissue, ...

dateJan 27, 2009 in
shares0 comments 0

Ethical evaluations of nanotechnology

Recent action in Congress to reauthorize the U.S. federal nanotechnology research program offers the chance to address the social and ethical issues concerning the emerging scientific field, experts say.

dateJan 27, 2009 in Bio & Medicine
shares0 comments 0

'Fishy' clue helps establish how proteins evolve

( -- 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
shares0 comments 0

Darwin's Tree of Life May Be More Like a Thicket

( -- 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
shares1 comments 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 Institution ...

dateJan 27, 2009 in
shares0 comments 1