A biologist at Michigan Tech is working on a way to remove lead from soil that is simple, inexpensive, and, quite literally, green. Rupali Datta began her tests with vetiver grass back in 2004, when she was on the faculty of the University of Texas at San Antonio. “The city was removing lead paint in an old neighborhood, but there was still lots of lead in the soil,” she remembers. “The soil was tracked in the house as lead-laced dust…” [read more]