President Barack Obama is proposing a new investment into research to map the human brain in hopes of unlocking some of its mysteries, a senior administration official says. The president planned to propose a $100 million investment for next year during remarks Tuesday morning, the White House said. Obama mentioned the idea in his State of the Union address, comparing the potential to the Human Genome Project that mapped DNA. "Every dollar we invested to map the human genome returned $140 to our economy. Every dollar," Obama said in the address to Congress in February. "Today, our scientists are mapping...