Eat this, cure that: Illness-fighting foods
January 4, 2010, 10:04 a.m.
Video: Feeling under the weather? <i>Fitness</i> magazine's Pam O'Brien joins the <i>Today</i> show's Jenna Wolf to talk about foods that can get you back on your feet.
Prion proteins capable of evolution despite containing no DNA
January 4, 2010, 8:36 a.m. by Bryan Nelson
Scientists say specialized proteins that cause mad cow disease are lifeless but can still evolve.