For something a bit different, we jump in plane from Nottingham in search of the Northern Lights. With thanks to Aurora Flights/Omega Holidays who let us tag along - you can book flights from various UK airports (£199.95 per person) here if it looks like your thing: http://bit.ly/Y0BdO4 (just sharing the link for those who are curious - we have no affiliations and get nothing whether you book or not!) Astronomy writer and broadcaster Pete Lawrence features in this video. He tweets at https://twitter.com/Avertedvision SIXTY SYMBOLS STUFF Visit our website at http://www.sixtysymbols.com/ We're on Facebook at http://www.facebook.com/sixtysymbols And Twitter at http://twitter.com/#!/periodicvideos This project features scientists from The University of Nottingham http://www.nottingham.ac.uk/physics/index.aspx Sixty Symbols videos by Brady Haran A run-down of Brady's channels: http://periodicvideos.blogspot.co.uk/2012/06/here-are-my-channels.html