Petri preparation by Matthew Modoono December 14, 2016 Share Facebook LinkedIn Twitter Dec. 13, 2016 – BOSTON, MA. – Visiting scientist, Xiangke Duan, from China, prepares petri dishes in the Kim Lewis Lab in the Mugar Life Sciences Building at Northeastern on Dec. 13, 2016. Photo by Matthew Modoono/Northeastern University Visiting scientist Xiangke Duan prepares petri dishes in the Lewis Lab in the Mugar Life Sciences Building on Tuesday. Photo by Matthew Modoono/Northeastern University