January 27, 2014 1:36 pm Behind The Scenes: Volunteers Get Sick for Science Would you voluntarily get the flu and stay in isolation for more than a week? Groups of research participants are signing up to be part of a flu immunity study at the National Institutes of Health. US & World Videos 1:41 Prince William shares brief update on Princess Catherine to well-wishers at UK visit 1:28 LAPD dismantles protester encampments at UCLA 1:36 Arizona Senate repeals 1864 abortion ban 1:40 Democrats say Big Oil misled public for decades about climate change 1:45 NYPD enters Columbia University in riot gear to clear protest