“The Maths of Shrek”, by Joan Lasenby of Cambridge University, and “What Computers Can’t Do” by Dr Alan Slomson of Leeds University, are the London Mathematical Society’s 2005 Popular Lectures at the Royal Institution, London, July 15, and Manchester University, date tbc. The first will explore how maths, coupled with immense computational power, produces stunning visual effects in movies like Shrek. The second proposes: “No matter how powerful computers become, maths tells us there are limits to their problem-solving ability”. Admission by free ticket. For London lecture details send SAE to Lee-Anne Taylor, LMS, Dr Morgan House, 57-58 Russell Square, London WC1B 4HS; for Manchester details visit www.lms.ac.uk