ScienceDaily: Matter & Energy News

Mercury from gold mines accumulates far downstream Posted: 08 Jan 2015 01:24 PM PST Rhe risks taken on by artisanal, small-scale gold miners in Peru extend beyond personal and local health risks by creating hazardous levels of mercury in the food chain at least 350 miles away, researchers have discovered.

Special delivery: Hitchhiking microparticles deliver drugs directly Posted: 07 Jan 2015 12:10 PM PST Polymeric microparticles are made to 'hitchhike' to inflamed tissue in order to deliver their drug payload. By taking advantage of natural body processes, researchers have developed a method of targeting inflamed tissues, creating a way to treat both the inflammation and its underlying cause.