西西软件园 Though bionic legs are of course a huge boon to amputees, they lack actual nerve connections with the body. As a result, walking on them is cumbersome and tiring. But last year, Seattle resident Zac Vawter was outfitted with the world's first thought-controlled leg, a bionic limb that takes signals directly from his mind.
In March, Ford completed its exit from the luxury car market by selling Volvo to China's Geely Automobile for $1.6 billion. Although the sale represents a sharp loss - the company paid $6 billion for the Swedish automaker eleven years ago - Ford posted an annual profit of $2.7 billion in 2009, its first profitable year since 2005. Assisted by the 'Cash for Clunkers' program (not to mention Toyota's accelerator woes), Ford recaptured its position as the nation's largest carmaker in February. Which is why Ford's CEO Alan Mulally can now look abroad, including big markets like India, where it recently introduced the compact Figo.