Polluted storm-water is an issue for cities, and it's often the end point for valuable minerals like phosphates. A new sponge can recover those minerals, say scientists ...

The sponge, coated with nanoparticles that have an affinity for pollutants, can collect metals like zinc and copper, as well as phosphate, and in previous iterations has successfully pulled lead from ...

Because many microplastics come from products that contain chemical surfactants or anionic initiators (which are used to polymerize tires, packaging, medical ... sponge consists of chitin and ...