Author: RYAN BERGERON, CNN

Medical students give free care to Detroit's homeless

Armed with care packages, clothes and clinical supplies, medical students in Detroit are learning outside the classroom. They are putting their knowledge and boots to the pavement, providing free health care to the city's homeless.

World champ triathlete breaks neck, comes back to finish Ironman

The Ironman triathlon is one of the most grueling competitions in the world. It could easily be seen as a form of self-torture. A true Ironman triathlon involves a 2.4-mile swim, a 112-mile bike ride and a 26.2-mile run. And in case you're not aware, the Ironman competition puts these three events back-to-back-to-back.