SYDNEY, June 20 (Xinhua) -- Heading a soccer ball can cause subtle changes in the brain, even when no immediate symptoms or cognitive impairment are detected, new research has revealed.

LOS ANGELES, June 16 (Xinhua) -- Three people, including an 8-month-old infant, were killed and two others were injured in a shooting Sunday night at a carnival in western U.S. state of Utah, police ...