Is Guinness defying the laws of physics? Not exactly. Every Guinness is supposed to be poured into a specially crafted tulip glass. But that glass is designed to manipulate the bubbles in the beer ...

Of course, as any true Guinness lover knows ... "A really good beer glass needs to be free of any residual detergent, soap or grease as these residues degrade the beer foam.

Saint Patrick’s Day is here, which means beer lovers around the globe will be raising a toast — and maybe even “splitting the G” — with a pint of Guinness in celebration. Though the ...