The Sahel region is a geographical belt in Africa that stretches from the Atlantic Ocean to the Red Sea, between the Sahara ...

For millions of years, as the Arabian and Eurasian continental plates have drifted toward each other, the underground ancient ...

A map of deadly infectious diseases known to attack the central nervous system (CNS) of people who are already suffering with HIV has unearthed diagnosis "blank spots" in Africa, according to research ...