Central Michigan University has announced a new certificate program in "fermentation science," and James Holton's company, Mountain Town Station Brewing Co., will help give CMU students hands-on brewing experience. Steve Jessmore/Central Michigan University via AP hide caption

In 22 states, people who default on their student loans can have professional licenses suspended or revoked. The percentage of Americans who default on student loans has more than doubled since 2003. Butch Dill/AP hide caption

New York Red Bulls defender Chris Duvall (third from left) reacts toward the crowd after teammate Lloyd Sam scores during an MLS soccer game against D.C. United on March 22 in Harrison, N.J. The Red Bulls won 2-0. John Minchillo/AP hide caption

President Obama is pressing hard for a nuclear agreement with Iran. But critics have cited his remark that Iran's 'breakout' time for acquiring nuclear material for a bomb might be very brief as parts of the deal expire. Maggie Starbard/NPR hide caption

Sen. Rand Paul launched his 2016 presidential campaign Tuesday with a combative message against both Washington and his fellow Republicans, declaring that "we have come to take our country back." Carolyn Kaster/ASSOCIATED PRESS hide caption

Blaze Bioscience is commercially developing the "paint," which glows when exposed to near-infrared light. Courtesy of Blaze Bioscience hide caption

The latest fashion trend for men turns casual sweatpants into designer threads suitable for working professionals. It's called athleisure, and more high-profile retailers are jumping on board. Craig Barritt/Getty Images hide caption