Demand for lithium is rising fast as electric vehicles, wind turbines, and grid-scale batteries ...

"Hypersaline brine" is industrial waste-water with salt levels that exceed even that of seawater. It's a big, expensive, destructive problem which a team of engineers at Columbia University in New ...

Used in processed foods and cosmetics, the red pigments in Capsicum (chile pepper) are important sources of non-toxic red dyes. The common method for extracting pigments from dried Capsicum uses ...