Every year, over a million children worldwide are born with congenital heart defects that threaten their lives and development. … Nnaoma Agwu, a fourth-year Ph.D. candidate at UC Irvine and his mentor Professor Arash Kheradvar have developed a new valve that can also work for toddlers. The origami-inspired valve operates at different diameters, which makes it suitable for growing toddlers. Read More