Daily Archives: October 28, 2012

Aspirin greatly improves colorectal cancer five year survival rates for for patients whose tumors harbored a mutation in the gene PIK3CA

Aspirin therapy can extend the life of colorectal cancer patients whose tumors carry a mutation in a key gene, but it has no effect on patients who lack the mutation, Harvard-affiliated Dana-Farber Cancer Institute scientists report in the Oct. 25 issue of the New England Journal of Medicine. In a study involving more than 900… Read More »

Ozone hole at smallest size in decades thanks to warmer temperatures

Ozone hole at smallest size in decades thanks to warmer temperatures. The ozone hole has been at its smallest annual maximum since 1990 Frigid temperatures help promote the Ozone holes destruction. But natural weather fluctuations led to warmer Antarctic temperatures this year, which limited the damage, NASA and NOAA scientists say. via Ozone hole at… Read More »