An Oyster Recovery Partnership boat scatters oyster shells covered in oyster larvae into the tributaries of the Chesapeake. Photo by the Paynter Lab/University of Maryland. For centuries, the oyster beds in the Chesapeake Bay were so massive they rose above…

Smoke billows from the roof of the four-story Westgate shopping mall where a number of hostages have been kept for three days in Nairobi, Kenya. Photo by Ahmet Erkan Yigitsozlu/Anadolu Agency/Getty Images. The gunfire "sounded as if it were…

Graphics credit: Lisa Overton/NewsHour Weekend After a showdown in the House ended with a vote to cut the nation's food stamp program by $40 billion, the controversial measure is headed to the Senate.