Biochar made from corn cobs can remove microplastics and ammonia from water, offering a low-cost, reusable filter made from ...

Corn cob biochar made from farm waste can remove up to two thirds of ammonia and almost all micro and nanoplastics from water ...

Scientists discovered microscopic gold forming inside tree needles. Hidden microbes convert dissolved soil ions into solid metal, offering a greener, innovative approach to exploring underground ...