*We have a new favourite joke, thanks to Plus reader, Ellen Hetland Fenwick!*

A countably infinite number of men went into a pub. The first one ordered a pint. The second ordered a half-pint. The third ordered a quarter of a pint ... The barkeeper, with a face full of disgust, finally poured two pints and put them on the bar and said, "It's good when people know their limit."

*Ha(ha) ^{n}! And you can read more on beer and infinite series on Plus!*