IOWA STATE UNIVERSITY IMAGE: IOWA STATE UNIVERSITY AND NANOVACCINE INSTITUTE RESEARCHERS, LEFT TO RIGHT, ANWESHA SARKAR, RIZIA BARDHAN AND DONALD SAKAGUCHI ARE WORKING TO CREATE NANOCARRIERS THAT DELIVER DRUGS ACROSS THE BLOOD BRAIN BARRIER. CREDIT: PHOTO BY CHRISTOPHER GANNON/IOWA STATE UNIVERSITY. AMES, Iowa – Rizia Bardhan made a fist with one hand then covered it...