Cheaper drugs for HIV patients in Africa

Available for over a year

Five drug companies cut cost of drugs for HIV patients in Africa. Evidence in Georgia shows that primitive humans left Africa around two million years ago. Japanese scientists decode the human chromosome 21, which will enable more understanding of Down's Sydndrome. Millions of people in Bangladesh and West Bengal are suffering from arsenic poisoning from water drawn from wells. New planets detected by Swiss astronomers in another solar system.