Brightsurf Science News & Current Events

December 21, 2008
Ancient African exodus mostly involved men, geneticists find
Modern humans left Africa over 60,000 years ago in a migration that many believe was responsible for nearly all of the human population that exist outside Africa today.

New 'smart' materials for the brain
Research done by scientists in Italy and Switzerland has shown that carbon nanotubes may be the ideal

Two cardiovascular proteins pose a double whammy in Alzheimer's
Researchers have found that two proteins which work in tandem in the brain's blood vessels present a double whammy in Alzheimer's disease.

Well-developed community mental-health services are associated with lower suicide rates
Well-developed community mental-health services are associated with lower suicide rates than are services oriented towards inpatient treatment provision in hospitals.

Newly identified gene powerful predictor of colon cancer metastasis
Cancer Researchers in Germany have identified a gene which enables them to predict for the first time with high probability if colon cancer is going to metastasize.

Patient-derived induced stem cells retain disease traits
When neurons started dying in Clive Svendsen's lab dishes, he couldn't have been more pleased.

Snails and humans use same genes to tell right from left
The genes that in vertebrates establish the right and left sides of the body were thought to be of fairly recent origin, since fruit flies and nematodes don't have them.

Hebrew University scientists reveal mechanism that triggers differentiation of embryo cells
The mechanism whereby embryonic cells stop being flexible and turn into more mature cells that can develop into specific tissues has been discovered by scientists at the Hebrew University of Jerusalem.
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