Using tiny gold particles and infrared light, MIT researchers have developed a drug-delivery system that allows multiple drugs to be released in a controlled fashion.

Variants of numerous DNA repair genes initially appeared to be statistically significantly associated with cancer risk in epidemiological studies. When the data from individual studies are pooled, however, few DNA repair gene variants appear truly associated with increased cancer risk, according to a field synopsis published in the December 30 online issue of the Journal of the National Cancer Institute.

The Bronx Zoo-based Wildlife Conservation Society announced today that its efforts to protect a wildlife-rich coastal region in South America have paid off in the form of a new coastal marine park recently signed into law by the Government of Argentina. =