Here are two great TED talks:

6 minutes on how sound affects us. This will be more interesting and practical than you think:  sounds affect us

11 minutes from an artist who wants a) to help us understand statistics better b) inspire us to understand our position in the world. Also worth seeing for the presentation [...]

Today I found this great project: Daydreamers
You will pictures of people who think of something positive. But they are taken with great talent I find, and they will certainly make you feel pleasant, which is the aim of the whole project. I think Alexandra Sandu deserves many thank yous for her good work.
here a screen [...]