Ivana Nikolic Hughes is the Lecturer in Discipline in the Department of Chemistry at Columbia University She graduated from Caltech with a B.S. in Chemical Engineering, with Honors, in 1999. While at Caltech, she was the recipient of three prestigious summer research fellowships and conducted research in novel therapeutics at the University of Nis in Serbia, at ETH in Zurich, Switzerland and at the University of Washington in Seattle. Dr. Hughes earned her PhD from Stanford University in 2005, working in the Department of Biochemistry as an American Heart Association Fellow. She studied enzymatic catalysis and protein evolution in the alkaline phosphatase superfamily. Prior to her involvement in Frontiers of Science, Dr. Hughes taught General Chemistry at Columbia. She is the Co-Founder of the Criticality Project. Ivana is also the Chair of the Nuclear Age Peace Foundation.