General

Scientists at Oak Ridge National Laboratory have developed a relatively simple method to convert polyethylene, the widely used plastic found in shopping bags and cutting boards, into gasoline- and diesel-like fuels.

Eight-weekly HIV injections kept the virus suppressed more effectively than daily tablets among adolescents in an African clinical trial, with researchers calling for wider access to the treatment in low- and middle-income settings.

Chronic inflammation linked to everyday stress, socioeconomic disadvantage and lifestyle factors may quietly damage the heart years before cardiovascular symptoms appear, according to a large study of nearly 480,000 UK adults.