July 18, 2012 (14 images)

The Petermann Glacier grinds and slides toward the sea along the northwestern coast of Greenland, terminating in a giant floating ice tongue. Like other glaciers that end in the ocean, Petermann periodically calves icebergs. The Moderate Resolution Imaging Spectroradiometer, or MODIS, on NASAÕs Aqua satellite observed the new iceberg calving and drifting downstream on July 16Ð17, 2012. UPI/NASA

President Barack Obama shows off a jersey given to him by the Baylor Bears as he honors the 2012 NCAA WomenÕs Basketball Champion Bears in the East Room at the White House on July 18, 2012. UPI/Kevin Dietsch

Director Christopher Nolan attends the European premiere of "The Dark Knight Rises" at The Odeon and Empire Cinemas Leicester Square in London on July 18, 2012. UPI/Paul Treadway

The Batmobile seen at the European premiere of "The Dark Knight Rises" at The Odeon and Empire Cinemas Leicester Square in London on July 18, 2012. UPI/Paul Treadway