Randy Schekman (L), professor of molecular and cell biology at the University of California at Berkeley, holds a parking permit for Nobel laureate given by chancellor Nicholas B. Dirks after a news conference in Berkeley, California October 7, 2013. Americans Schekman and James Rothman and Germany's Thomas Suedhof won the 2013 Nobel medicine prize for their work on how hormones are transported within and outside cells, giving insight into diseases such as diabetes and Alzheimer's. REUTERS/Stephen Lam (UNITED STATES - Tags: EDUCATION SCIENCE TECHNOLOGY HEALTH)