New Gel Regrows Dental Enamel–Which Humans Cannot Do–and Could Revolutionize Tooth Care

New Gel Regrows Dental Enamel–Which Humans Cannot Do–and Could Revolutionize Tooth Care

Electron microscopy images of a tooth with demineralized enamel (left) and a similar demineralized tooth after a 2-week treatment (right) – credit, Univ of Nottingham Chemists in England have created a gel that can repair and regenerate tooth enamel, opening up new possibilities for effective and long-lasting dental treatment. The gel can be rapidly applied … Read more

Recyclers Switch from Smelting to Solvents, Recovering Precious Metals from E-waste with Fewer Emissions

Recyclers Switch from Smelting to Solvents, Recovering Precious Metals from E-waste with Fewer Emissions

– credit Unsplash Vlad A startup in the UK is recovering important manufacturing metals without energy-hungry smelting methods. Using an intense solvent at room temperature, shredded circuit boards can have plastic retaining components left behind, while metals like gold, cobalt, and copper are selectively dissolved and made available for recovery with simple magnets. It’s one … Read more