I wish I could say I had some magical, artistic sixth sense—but really, I just looked up. I was wandering out of the WMNF lobby, probably half-thinking about lunch, when this glowing stained glass ...

But wait. Bubbles are supposed to rise all the time! Is Guinness defying the laws of physics? Not exactly. Every Guinness is supposed to be poured into a specially crafted tulip glass. But that ...