January 27, 2014 4:36 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 1:12 5 things to know about Tom Thibodeau 21:18 Jim Gaffigan gives hilarious dad advice to Kelly Clarkson audience 9:45 Orlando Bloom says he's shocked he's still alive after filming his new adventure show 9:22 Mississippi nonprofit tackles poverty head-on through radical approach 1:49 Jay Leno and wife Mavis step out on a date night following her dementia diagnosis