Micro- and nanoplastics are now popping up everywhere: in seawater, snow, food and even in our bodies. The very smallest particles, in particular, are difficult to measure, meaning we still know too little about their spread and associated risks. UvA chemist Maria Hayder and her colleagues have deve loped a new measurement method that maps nanoplastics in water and the environment much more accurately. On Wednesday, June 24, she will defend her Ph.D. dissertation on this research at the University of Amsterdam. ...read more read less