Photo of the Day

Associated Press
President Barack Obama announces the BRIAN, Brain Research through Advancing Innovative Neurotechnologies proposal, Tuesday, April 2, 2013, East Room of the White House in Washington. The president is asking Congress to spend $100 million next year to start a new project to map the human brain in hopes of eventually finding cures for diseases like Alzheimer's. (AP Photo/Susan Walsh)

View gallery

500 photos

View Comments (1)