Brightsurf Science News & Current Events

January 07, 2007
Astronomers discover an enormous halo of red giant stars around Andromeda
Astronomers have found an enormous halo of stars bound to the Andromeda galaxy and extending far beyond the swirling disk seen in images of the famous galaxy, our nearest large galactic neighbor.

New HIV test may predict drug resistance
Researchers at Duke University Medical Center have developed a highly sensitive test for identifying which drug-resistant strains of HIV are harbored in a patient's bloodstream.

Astronomers detect black hole in tiny 'dwarf' galaxy
Astronomers have found evidence of a supermassive black hole at the heart of a dwarf elliptical galaxy about 54 million light years away from the Milky Way galaxy where Earth resides.

First 3-D map of the universe's dark matter scaffolding
By analysing the COSMOS survey -- the largest ever survey undertaken with Hubble -- an international team of scientists has assembled one of the most important results in cosmology: A three-dimensional map that offers a first look at the web-like large-scale distribution of dark matter in the universe.

Scientists discover new, readily available source of stem cells
Scientists have discovered a new source of stems cells and have used them to create muscle, bone, fat, blood vessel, nerve and liver cells in the laboratory.

People at genetic risk for Alzheimer's age mentally just like noncarriers
Australian researchers say that a genotype that heightens the risk for Alzheimer's disease does not contribute to cognitive change during most of adulthood. is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to