Former Enron CEO Kenneth Lay stands outside the U.S. courthouse in Houston after the close of his bank fraud trial in May 2006. Two Stanford University researchers say that lying CEOs tend to use a lot of words that express positive emotion to overcompensate. Dave Einsel/Getty Images hide caption

John and Nancy Longval are on the verge of getting a loan modification after petitioning their lender, CitiMortgage, for two years. Chris Arnold/NPR hide caption

As you walk, body weight passes through the base of the big toe. So that's where your shoe should bend. Courtesy of Emily Cook hide caption

Empty Canteens: The NPA winery sells its wine only in these unique reusable canteens -- each holding the same amount as a standard wine bottle -- or in larger kegs for restaurants who want to serve from the tap. Cyrus Musiker hide caption

Supporters listen as President Obama speaks during a rally for the Democratic National Committee at Ohio State University in Columbus on Sunday night. Saul Loeb/AFP/Getty Images hide caption

Qismat Ali, 50, stands in the foundation of the two-room house he was building in the Charsadda district when floods hit Pakistan in late July, washing away fields, crops, livestock, homes and schools. Julie McCarthy/NPR hide caption

Brooke-Sidney Gavins (M.A. Broadcast Journalism '09) takes a break from producing a report for the Annenberg School's Annenberg Radio News. Phil Channing/USC Annenberg hide caption