Selfie: Word of the Year

From Nelson Mandela to Google Glass, David Bowie to Yayoi Kusama—a look at this year's top headlines

Due to the unexpected interaction of both cold and warm air masses at the Grand Canyon at the beginning of December 2013, a “once-in-a-decade” phenomenon called total cloud inversion occurred. From Yavapai Point on the South Rim to Desert View Point, the clouds created a sea-like body between rock faces and mountains, making for a wealth of heavily shared other-worldly images.