Disclaimer first: I have nothing to do with the following site, I do not intend this as an advertisement and I will not profit from it either.
So, For all those of you interested in doing some small courses, I came upon this site/organisation, that uploads small courses that will help improve yourself.
coursera.org
Yeah there are a lot of interesting subjects. and from poetry, to basic engineering.
The most important word you are looking for - its all FREE!
yep and the tutorials are from proffs of some impressive Universities.
Cheers!
RG