A new technique enables the use of fatty acids—for example, those found in cooking oil from fast-food restaurants—to dissolve and separate silver. The process requires light and diluted hydrogen ...

Some copper and zinc smelters have been forced to cut their output because they have run out of space to store hazardous sulphuric acid in the face of poor demand for the by-product and more may have ...

image: Acids are reactive, with even weak acids like vinegar interacting with other materials to wow students. But strong acids can really put on a show. For example, aqua regia, or royal water, is a ...

A move towards more alternative energy sources and away from fossil fuel production is a net positive for the world. But there’s an unanticipated side effect—a possible global sulfuric acid supply ...