ESPN's Bracketology efforts are focused on projecting the NCAA tournament field just as we expect the NCAA Division I basketball committee to select the field in March. ESPN bracketologist Charlie ...

Irregular bleeding and spotting can occur when periods first start and as people arrive at menopause. Find a list of ...

Research on ancient footprints in Kenya demonstrates coexistence of Homo erectus and Paranthropus boisei 1.5 million years ...