These little robots, called BlabDroids, ask people questions and video record their replies. The footage will be used to create a documentary. Courtesy of Alexander Reben hide caption

itoggle caption Courtesy of Alexander Reben

The Diary of a Young Girl by Anne Frank regularly makes banned book lists, but not because it details the terror of hiding from Nazi occupiers. Andrew Burton/Getty Images hide caption

itoggle caption Andrew Burton/Getty Images

Scientists who work for nuclear waste disposal projects in Finland, Canada and Sweden study an ice sheet in western Greenland. Courtesy of Vincent F. Ialenti hide caption

itoggle caption Courtesy of Vincent F. Ialenti