Dr Peter Wothers is assisted by Nobel prize winner Sir Harry Kroto. <br /><br />Watch The Modern Alchemist series in full on the Ri Channel: http://bit.ly/VJM09x<br /><br />The Ri is on Twitter: http://twitter.com/ri_science<br />and Facebook: http://www.facebook.com/royalinstitution<br />Subscribe for the latest science videos: http://richannel.org/newsletter
