5. Vawter climbed 103 floors of a Chicago skyscraper on his bionic leg, but its designers are still working on improving it. To optimize it for everyday use, they have to make it even thinner and lighter. Its successor (the iLeg Air?) may meet the Army's stated goal for a bionic leg—10,000 steps without recharging.
6. Harvard University topped the rankings for the 16th consecutive year, and Stanford University and University of Cambridge remained in second and third place, respectively.
西西软件园 The American Film Institute has picked its 10 best movies and TV shows of the year. The titles, presented in alphabetical order, are works AFI's juries have determined advance the art of the moving image, enhance the cultural heritage of America's art form, inspire audiences and artists and make a mark on American society.