Ο Νταν Πινκ για την επιστήμη των κινήτρων (βίντεο)

http://greekrider.wordpress.com/2012/06/22/%CE%BF-%CE%BD%CF%84%CE%B1%CE%BD-%CF%80%CE%B9%CE%BD%CE%BA-%CE%B3%CE%B9%CE%B1-%CF%84%CE%B7%CE%BD-%CE%B5%CF%80%CE%B9%CF%83%CF%84%CE%AE%CE%BC%CE%B7-%CF%84%CF%89%CE%BD-%CE%BA%CE%B9%CE%BD%CE%AE%CF%84%CF%81/