At East Bay School for Boys, sometimes the sparks of inspiration result in, well, actual sparks. Courtesy East Bay School for Boys hide caption

itoggle caption Courtesy East Bay School for Boys

Entertainer and entrepreneur Sean Combs delivers Howard University's commencement speech during the 2014 Howard University graduation ceremony in Washington, on Saturday, May 10, 2014. Some suggested that Combs, who attended Howard in the late 1980s but did not graduate, was a poor choice of speaker. Jose Luis Magana/AP hide caption

itoggle caption Jose Luis Magana/AP

Tiffany Contreras gives a presentation in a nutrition class at Tulsa Community College. She's pursuing a degree in nursing as part of the Career Advance program. John W. Poole/NPR hide caption

itoggle caption John W. Poole/NPR