Can a Vaccine Cure Haiti's Cholera? By Katherine Harmon published 12 January 12 Two years after the earthquake, debate over the use of a cholera vaccine in Haiti rages.
How Stephen Hawking Has Beaten the Odds with ALS By Katherine Harmon published 8 January 12 An expert on Lou Gehrig's disease explains what we know about this debilitating condition and how Hawking has beaten the odds.
Can Male Circumcision Stem the AIDS Epidemic? By Katherine Harmon published 2 December 11 The practice is gaining favor to prevent HIV's spread.
How Young Children Learn about Terrorism and 9/11 By Katherine Harmon published 11 September 11 What have we learned about the way children understand and process major events -- even if they themselves were not alive to have experienced them?
