sciencemag.org

HIV/AIDS now attracts billions of dollars each year, extending millions of lives. But many remain untreated and, without better prevention, the money will soon fall short. Author: Jon Cohen  

A recent test of the "social brain theory," which suggests that human brain size was selected in particular for capabilities that are useful in social groups, found no correlation between IQ and number of friendships, according to results presented at the Behavior Genetics Association meeting...  

Two months after an earthquake devastated a mountainous swath of Sichuan Province, urban planning experts met in Beijing to take stock of how past disaster responses could guide a massive reconstruction effort about to get under way. Author: Richard Stone  

Stung by a front-page newspaper exposé of an alleged lapse in research ethics, officials at the University of Tokyo's Institute of Medical Science are planning to overhaul efforts to educate researchers on ethics rules and tighten internal review and compliance procedures. Author: Dennis...  

HIV/AIDS has walloped this tiny country, but it has hit back hard with a pioneering treatment program. Prevention efforts have lagged, however, and could unravel the gains. Author: Jon Cohen