Interesting YouTube Channel

I think I could watch this all evening.  My brother sent me a link to one video and now I just keep watching video after another.  It's interesting, intelligent, and touches a curiosity I've seldom heard shared by anyone else.

https://www.youtube.com/user/Vsauce

Check it out if you are feeling curious about things like language and human behavior and can handle science, humor, and philosophy happening all at once.