Health & Science May 7, 2024 8:50 am Total body nuclear medicine PET scan continues to evolve May is National Cancer Research Month, and nuclear scientists at UC Davis are giving doctors a tool to see patients as a whole and not just the part of their bodies making them sick. US & World Videos 2:35 New variants lead to covid uptick 2:05 Memorial Day challenge: Grueling military workout honors fallen service members 1:01 Watch: Safe grilling tips for Memorial Day 1:11 Documentary tackles issue of racism in nursing industry 3:30 Three-time Olympic gold medalist talks water safety