In a bright orange vest, holding a red stop sign, Eric Tavisora, 41, is more than just a traffic guard at The Urban School of San Francisco. Not only does he work a nine-hour day at Urban, but Tavisora...

There are many mysteries in life, but one of the greatest is between your ears — your brain. On April 2, President Obama announced that his administration would set aside $100 million in the 2014...