YouTube Saturday - The Fizzics of Guinness

This excellent short video from Sixty Symbols (a brilliant collection of curious and quirky physics and astronomy based videos from the same people who bring us "Periodic Table of Videos") explains the unusual properties of "the black stuff" - our very own Guinness. Entitled "The Fizzics of Guinness" the video takes a closer look at the infamous stouts head and at the behaviour of its bubbles (which move downwards as well as upwards). Enjoy!