NGO says $200 billion needed annually to help developing countries cope
The NGO says food insecurity will worsen in Africa unless appropriate action is taken
Many women contract HIV not knowing their partners are infected.
African-American website editor encourages increased study of black history in public schools
Somali MP says up to 70 people have died of starvation
National Geographic takes a new look at the continent.
Others working for Doctors Without Borders still missing, as are thousands of displaced
Shortage could undermine relief efforts
Obama, Clinton share delegates as McCain forges ahead
Biological, social and cultural reasons
