Malaria is a disease of the developing world, but some Americans are being infected with malaria intentionally to help medical research. Reporter Eric Niiler profiles volunteers in a US Army study of an experimental malaria vaccine.
Russians have been increasingly ravaged by disease and death. There's so much vodka, life expectancy for men has fallen to just 60 years old ? about the same as in Myanmar and Haiti. The World's Laura Lynch explores the country's troubles with alcohol.
A fruit vendor in Tunisia who set himself on fire in December started a revolution. Now Mohamed Bouazizi is remembered as a hero, but as Megan Williams reports, his relatives say they're being shunned.
Intonga stick fighting is a martial art that has been practiced in southern Africa for centuries. In several townships around Cape Town, stick fighting is making a comeback, and earning some people some money. Reporter Anders Kelto explains.