In the hunt for new antibiotics, scientists hit pay dirt Almost our entire arsenal of antibiotics was discovered in soil, but scientists haven’t gone digging for drugs in decades. That’s because, “screening microbial extracts from soil is thought to be a tapped-out approach,” said Waksman Institute of Microbiology scientist Richard Ebright. Soil has been “over-mined” agreed Kim Lewis, director of the Antimicrobial Discovery Center at […]