Todd Coleman, Associate Professor in University of California San Diego's Department of Bioengineering, says “The important… —most the "most  societally relevant—problems can no longer be just solved with physics like for the transistor or biology like the for Polio vaccine.  It is increasingly the case that we need to bring different groups of people together from very different disciplines to partner and tackle important problems.” (href="http://www.cell.com/40/general-challenges" target="_blank">Cell)