An unidentified Girl Scout checks out the Herndon (Va.) High School robot after a demonstration of its capabilities during the Girl Scouts Rock @NASA event, Friday, June 8, 2012, at NASA Headquarters in Washington. NASA helped mark the 100th anniversary of the Girl Scouts of America by hosting the event at headquarters where they were able participate in hands on activities, meet with scientists and learn more about science, technology, engineering and mathematics (STEM) in exciting and innovative ways. Photo Credit: (NASA/Paul E. Alers)
