For all of you who are interested in languages, don´t miss this video for anything in the world. It´s a little long (more than an hour), but it definitely worth it.
It gives an insight of what language reveals about human nature. It includes a brief yet clear explanation about nouns, verbs and all that geeky grammar stuff I love, a hilarious dissertation about cursing and some social aspects implied in a language
Steven Arthur Pinker (born September 18, 1954) is a Canadian-born U.S. experimental psychologist, cognitive scientist, linguist, and popular science author. He is a Harvard College Professor and the Johnstone Family Professor in the Department of Psychology at Harvard University, and is known for his advocacy of evolutionary psychology and the computational theory of mind.