NATION NOWGiant panda cub Bao Bao turns 1Panda cub Bao Bao hangs from a tree in her habitat at the National Zoo in Washington on her first birthday.Pablo Martinez Monsivais, APPanda cub Bao Bao is seen in her habitat at the National Zoo in Washington.Pablo Martinez Monsivais, APA group of local Girl Scouts Brownies' look at the panda habitat, home of panda cub Bao Bao.Pablo Martinez Monsivais, APiant panda cub Bao Bao relaxes in a tree in the David M. Rubenstein Family Giant Panda Habitat at Smithsonian's National Zoo in Washington, DC.Eileen Blass, USA TODAYGiant panda bear cub Bao Bao inspects a keeper's hand inside the David M. Rubenstein Family Giant Panda Habitat at the Smithsonian National Zoological Park January 6, 2014 in Washington, DC.Chip Somodevilla, Getty ImagesBao Bao, the Giant Panda cub is seen by the media for the first time January 6, 2014 inside his glass enclosure at the National Zoo in Washington, DC, a few days before going on display to the general public.Paul J. Richards, AFP/Getty ImagesBao Bao is measured as she is about to turn 100 days old, at the Smithsonian National Zoo in Washington.Abby Wood, APBao Bao at her giant panda exhibit at the Smithsonian National Zoo. She now weighs 40 pounds.Abby Smith, Smithsonian National Zoo FlickrBaby giant panda Bao Bao explores her new home with her mother, Mei Xiang at the Smithsonian? National Zoo.Smithsonian National ZooBao Bao climbs on a tree in her giant panda exhibit.Abby Smith, Smithsonian National Zoo FlickrGiant panda cub Bao Bao outside with her mom Mei Xiang for the first time April 1, 2014 at the Smithsonian National Zoo.AP Via Smithsonian National ZooAnimal keeper Marty Dearie of Bowie, MD, holds 8 month old giant panda cub Bao Bao in the panda house after waking her up for the day.Eileen Blass, USA TODAYBao Bao in her outdoor exhibit at the giant panda habitat. She now weighs 40 lbs.Abby Smith, Smithsonian National Zoo Flickr