Changes to China’s scrap import policies have reduced outlets for zorba, leading auto shredder operators in the U.S. to look for alternative options for the zorba they generate. For some, that has ...

Stanford Medicine researchers invent an electromagnetic device that can gently sort different types of cells by levitating them to different heights. It looks like a magic trick: Cells at the bottom ...

An electromagnetic device can gently sort cells by levitating them to different heights. It looks like a magic trick: cells at the bottom of a liquid medium begin levitating, then hovering at a ...