Japan's stock market retreated again Thursday, and officials from the world's leading economies agreed to meet about the effect the earthquake, tsunami and nuclear crisis is having on the fragile global economic recovery. Investors（投资者） sen...
Sophisticated mathematical modeling could assist health planners in the fight against malaria. The ancient disease of malaria continues to be a scourge that sickens millions worldwide annually. There are many ways to stop the spread of the disease. Y...
HIV positive mothers can receive antiretroviral drugs to protect against transmitting the virus to their children Although it is preventable, each year some 400,000 infants acquire HIV from their mothers. The World Health Organization, or WHO, has re...
Africa's top peace and security official is to begin urgent talks on Thursday at the United Nations in an attempt to save Somalia's fragile U.N.-backed administration from collapse. The pending withdrawal of Ethiopian troops from Somalia is focusing...
