September 18, 2013 11:36 am TB Testing at Irving Nimitz High School At Nimitz High School in Irving, it’s testing day — but not for class. A student diagnosed with tuberculosis may have infected as many as 100 students and teachers. Wake Up to Something Good 2:06 Advances in hearing aid technology 1:17 Momentous Institute offering free training to help navigate mental health crisis 0:40 Midlothian teen gets ‘NFL Draft' experience 2:11 New app helps dementia caregivers focus on their own health 2:19 Grandfather of seven shares how he survived a rare heart event