This week, hosts Mark Masselli and Margaret Flinter speak with Dr. Aviv Regev of the Broad Institute of MIT and Harvard, and Dr. Sarah Teichmann of the Wellcome Sanger Institute at Cambridge, Co-Chairs of the Human Cell Atlas project which is seeking to create a "Google Maps" for the body's 37 trillion cells. It's a global collaboration of multiple scientific disciplines, tasked with creating a comprehensive and open-source cell map, to yield a deeper understanding of the foundational elements of human health and disease.