Learn about neurodegeneration through the medium of opera! We're none of us getting any younger. Even Londonist is approaching its fifth birthday, which, in bloggy years, makes us almost eligible for a free bus pass. As the population ages, the number of dementia sufferers also increases. By 2025, so it's reckoned, over 1 million people in the UK will have serious cognitive problems. Find out more by visiting the Royal Institution tonight. After a scientific introduction to dementia, looking at the cellular and molecular causes, you can watch a live excerpt from 'The Lion's Face', a new opera about the experiences of a sufferer, a carer and a research scientist. The evening concludes with a panel discussion. Then knock out a few of your own brain cells with a glass of wine from the RI's swanky new bar. The event begins at 7.30, and tickets are £8 on the door.