Andrew Ng and Daphne Koller, Stanford University computer science professors who started Coursera, pose for a photo at the Coursera office in Mountain View, Calif., on Aug. 2, 2012.
Uintah Elementary School in Salt Lake City, where up to 40 students were served lunch Tuesday — only to have it discarded. They were told they didn't have enough credit on their accounts.
Silver Lake Elementary School in Middletown, Del., has begun implementing the national Common Core State Standards for academics. The GOP largely backs the standards that are rolling out in 45 states, but Tea Party conservatives have been critical — and liberals increasingly have the same complaints.
This handout provided by the Santa Monica Police Department shows ammunition, magazines and guns believed to have been dropped by a suspected gunman during a mass shooting at Santa Monica College in June 2013.
This image provided by the Orangeburg-Calhoun Regional Detention Center shows Justin Bernard Singleton, 19, of Charleston, who is charged with murder in the death of university student Brandon Robinson.
A police officer walks out of the Electrical Engineering Building on the campus of Purdue University in West Lafayette, Ind., Tuesday. One person was killed in a classroom by a gunman who surrendered to a police officer within minutes of the attack, officials said.