At Imperial College London, scientists developed a membrane that can filter out valuable lithium from salt water and brine.

Home pregnancy tests that use colored streaks to indicate positive results may display an evaporation line (evap line). This is a colorless streak that occurs when urine dries on the test strip.

Oil companies wrestling with huge amounts of wastewater have bold plans to turn the nuisance into a valuable product.

A new hydrophobic graphene-based material developed by IITB scientists could support efforts to address fresh water crisis ...