Scientists studied the brains of 202 former players.
The risk directly implicates U.S. national security.
Buildings destroyed by Irma
75 percent of Republicans identify themselves as white Christians.
Darius Moses works removing water from the gymnasium
They hope to set a new standard for the fashion industry.
The iPhone X will cost $999.
It is back-to-school time in the United States, which for many is bittersweet.
Hurricane Irma has weakened to a tropical storm after causing widespread damage on Caribbean islands and the U.S. state of Florida.
China will again lay claim to operating the fastest bullet train service in the world.