A group of Canadian university researchers, including Carleton Chemistry professor Dr. Maria DeRosa, will hold their next What Matters Now public event on Tuesday, March 4 in Thunder Bay, Ontario, from 6:30 to 9 pm. The debate will be moderated by broadcaster and journalist Piya Chattopadhyay. Professor DeRosa will discuss “Can nanotechnology help feed the world?” The event will be broadcast live at  http://new.livestream.com/mediaco/reasearchmattersthunderbay