As a shrewd businesswoman with keen insight and endless aspirations, Ophelia DeVore worked for much of the 20th century to smash stereotypes and empower black women by teaching them poise, confidence and the courage to get ahead in a world deeply etched by racial discrimination. Full story
A video from Emory University's Yerkes National Primate Research Center explains how chimpanzees were tested on their preference for fair outcomes when it comes to sharing goodies.
While on his death bed, the brilliant Indian mathematician Srinivasa Ramanujan cryptically wrote down functions he said came to him in dreams, with a hunch about how they behaved. Now 100 years later, researchers say they've proved he was right. Full story
