It's St Patrick's Day and that means people will be drinking plenty of Guinness but if you're treating yourself to a stout out the can then you might wonder what's at the bottom of it ...

The nitrogen-filled plastic balls nestled in the regular cans have never done it for me, and despite my considerable efforts, I can wholeheartedly say I'd never poured a good pint of Guinness at home.

Have you ever noticed the clink-clank of a tiny object rattling around the inside of an empty Guinness ... ping pong ball. During the canning process, brewers add pressurized nitrogen to the ...

With its robust malty taste, enticing dark colour and gravity-defying nitrogen bubbles, it's no surprise Guinness is one of the best-selling beers ever. Famously, the beloved Irish stout is ...

In the past few decades, Guinness revolutionized both draft beer systems and how to stouts are canned. The key? Nitrogen, and a modified ping pong ball. You’re drinking a can of Guinness.