You know what happens and how you sound when you inhale helium right? Well, Neil Patrick Harris and Kelly Rippa inhale sulfur hexafluoride—and the results may surprise you!

https://youtube.com/watch?v=Kvr9LFzOo50

Bang bang, choo-choo train, let me see you shake that thang. Wm. Steven Humphrey is the editor-in-chief of the Portland Mercury and has held the job since 2000. (So don’t get any funny ideas.)