I must be the last guy on the planet to see this judging from the emails I'm getting, but the music group They Might Be Giants has put out an album called "Here Comes Science", and it has this very cool video called Science Is Real:
Nice! Catchy, too. The album is technically for kids, but I suspect a lot of grownups will like it too. And I know a lot of teachers read this blog... so you know what to do.