But electrons aren't coloured! - Geoffrey G. Gouriet's 1972 Christmas Lectures 5/6 Ultra processed foods and the third age of eating - with Chris van Tulleken The future of organ transplantation - with Pankaj Chandak Making light work - George Porter's 1976 Christmas Lectures 5/6 5d | The Royal Institution Survival under the sun - George Porter's 1976 Christmas Lectures 6/6 5d | The Royal Institution A leaf from nature - George Porter's 1976 Christmas Lectures 3/6 5d | The Royal Institution Candles from the sun - George Porter's 1976 Christmas Lectures 4/6 5d | The Royal Institution First light - George Porter's 1976 Christmas Lectures 1/6 5d | The Royal Institution Light and life - George Porter's 1976 Christmas Lectures 2/6 5d | The Royal Institution Why does light exist? - with Gideon Koekoek 6d | The Royal Institution How does your body clock work? - with Aarti Jagannath 9d | The Royal Institution 'The Time Has Come' The Walrus Said - Eric Laithwaite's 1974 Christmas Lectures 5/6 12d | The Royal Institution It's My Own Invention - Eric Laithwaite's 1974 Christmas Lectures 6/6 12d | The Royal Institution 1 2 3 4 5 > >> Join group Members Search CreatedPast one dayPast four dayPast month Choose a GroupThe Royal Institution Choose a User Sort byby relevanceUpvotedNew firstBookmark countComment count Search