Things To Do In London Today: Wednesday 13 March 2013

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EXHIBITION: Cartographies of Life and Death: John Snow & Disease Mapping opens today at the London School of Hygiene and Tropical Medicine. This exhibition marks the bicentenary of John Snow and celebrates his work on cholera. Free, just turn up, until 17 April

CULTURE ARK: Cold War relic the MS Stubnitz has sailed into a mooring at Wood Wharf and is hosting the exhibition Cabaret of Mechanical Theatre. In the ship's underbelly you can view intricate machines and trigger them into funny, strange and often unexpected life. £5/£3.50, just turn up, until 12 April

WALK: To celebrate the 150th anniversary of the world's first underground railway line, you can trace the route from Paddington to Farringdon, above and below ground, while learning about London transport's fascinating history. £10/£8, prebook, 11am

LUNCH SANCTUARY: Retreat to St Olave’s for a classical recital including Elgar’s Violin Sonata. Free, just turn up, 1.05pm

BOAT SPOTTING: For boat-lovers and bystanders alike, the HMS Westminster will be passing through Tower Bridge today to enjoy a week-long London visit. Free, just turn up, boat will pass through Tower Bridge at 3.40pm

SUSTAINABILITY: At The Royal Institution, Tony Ryan and Steve McKevitt show how cutting-edge science can use the sun to provide food and energy for the global population, eliminating the need for coal, oil and gas. £10/£7, prebook, 7pm

BRAINS: The Dana Centre explores the nature of the human brain alongside the technological and ethical considerations when a patient is in a persistent vegetative state. Free, prebook, 7pm

DEBATE: Alex Niven, Mark Fisher and Peter Fleming debate capitalism at Waterstones Trafalgar Square. £5, prebook, 7pm

TALK: Hannah Hull talks about art walks and artists walking as an act of subversion, play, protest or contemplation at Housman’s Bookshop, Caledonian Road. Entry £3 (redeemable against any purchases on the night), just turn up, 7pm

GIG: My Bloody Valentine are performing at London's Hammersmith Apollo tonight. Be quick though — there are still tickets left at time of writing, last night was completely sold out. £29, prebook, 7pm

ALTERNATIVE GIG: For those of you who enjoy My Bloody Valentine but don't fancy standing for 5 hours to see them play, there is a happy alternative. Classical Album Sundays will be playing the 'Loveless' album, and a rep from Kristina Records will relay the story behind the album. £8, prebook, 6.30pm

THEATRE: To mark the centenary of Charlotte Delbo's birth, Conway Hall is hosting a theatrical tribute, based on Delbo's haunting memoirs of her time as a prisoner in Auschwitz. £10, prebook, 7.30pm

COMEDY: With a night calling itself Decapitated Puppy Comedy Night it’s a fair bet you’re not going to be treated to whimsical sets about cupcakes. Go to the Intrepid Fox for dark and rude comedy from David Trent, Carrie Ann Oddling, Daryl Golden, Bobby Carroll and Tyson Boyce. £6/£4, prebook, 8.30pm

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Random London Fact of the Day
Today's nugget comes from reader Terry Loscombe (@ThamesExplorer1). Lady Theo Acheson of Regent Street had wonderful long hair of which she was very proud. In her passport form under the sub-heading 'any peculiarities' she put "hair below the knees". The subsequent passport had mis-interpreted this, and was abbreviated by the passport officer as "hairy legs".

London Weather

Today's forecast comes from Maisie Carley, who just turned five years old. She predicts rainbows and sunny skies, not entirely at odds with BBC Weather, who reckon we might get frequent showers with sunny intervals. Maisie's cold palette also reflects today's temperatures which, when measured in centigrade, are unlikely to surpass the artist's age.