Spent coffee grounds remove up to 98% of lead and metals from water
Researchers at Loughborough University have shown that everyday coffee waste can play a powerful role in cleaning contaminated…
Neetu Jha turns dead flowers into high-performance electrodes
 Vitals Hometown: Madhubani, India Education: BSc, physics, Calcutta University, 2002; MSc, physics, Banaras Hindu University, 2004; PhD,…