Nao-The first emotional Robot

Scientists have invented a robot that can develop emotions while interacting with humans. The research may allow future robots to take care of patients on a more personal level. Nao differ from others in the way that they form attachments, interact and express emotion through bodily expression.
Source :-(http://www.geekwithlaptop.com/meet-nao-the-first-%E2%80%98emotional%E2%80%99-robot)