Things To Do In London Today: Thursday 25 April 2013

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DUNDERHEADS: The free lunchtime lecture at the National Army Museum, Chelsea looks at "The Quest to Prove the Value of Intelligence in Victorian Military and Foreign Affairs". Free, just turn up, 12.30pm

BEER: The Hope in Carshalton begins the Spirit of Albion Beer Festival, a celebration of UK beers, served in pints, thirds or halves until Saturday. Free entry, just turn up.

BRITTEN: Spend lunchtime at the first in a series of three talks and performances to mark the centenary of the birth of Benjamin Britten with the Badke Quartet performing Britten's String Quartet No 1 in D major in Christ Church Spitalfields. Free, just turn up, starts 1pm

FILM: Sundance London festival of indie film and live music starts at The O2 and runs through the weekend. Check out the timetable and website for what's on and tickets.

MAPS: Greenwich curators present some of the most interesting sea charts, maps and atlases from the National Maritime Museum’s extensive collection. Free, prebook, 6.45pm

ONE ON ONE: Have an Affection Session at the Last Refuge First Festival in Peckham. Part cake eating, part therapy, mostly theatre, it's a ten minute performance for one audience member at a time. Ticket £2, prebook, performances between 6.50-9.10pm

HOOTENANNY: Hootenanny at the Harrison is a thigh-thumping live music night dedicated to bands that sing in folky harmony. Free, just turn up, 7pm

SUB-ART: In July 1940 British war artist and landscape painter Eric Ravilious became unofficial artist-in-residence aboard a submarine. For several weeks he made drawings in the cramped interior, join author James Russell for an illustrated talk about this artistic achievement. Free, prebook, 7pm

SITAR & HARP: The Jazz Market presents two bands playing contemporary jazz, one led by electronic harp, the other by sitar and the Luxe, Spitalfields. Tickets £5 in advance, £7 on the door, starts 7.30pm

HANDSOME BRUTE: Find out about the sadistic murders of "deadly ex-RAF playboy Neville Heath" at the Sohemian Society talk by the author of Handsome Brute: The Story of a Ladykiller upstairs at the King and Queen, Foley Street W1. Entrance £4, just turn up, 7.30pm

WOMEN AND ART: The art world is still heavily skewed towards men. For example, only a quarter of artists exhibiting at the 2013 Venice Art Biennale are women. A Fitzrovia Lates talk at Hammi Gallery examines why this disparity still exists. Free, prebook, 7.30pm

VOTE: Help pick the winner of The Place Prize — a contemporary dance award. Watch the four finalists perform then cast your vote to gift a grand to the night's most popular piece. Tickets £20, prebooking recommended, starts 8pm

SATIRE: Fabulous satirist Andy Zaltzman brings his Political Animal show to the Udderbelly, plus guests, to rip away at the state of the nation. Tickets £15.50, pre book, starts 9pm

Random London Probable Fact Of the Day
There are very few shops in London that sell just one thing. We asked our Facebook friends if they could think of any. There were loads of suggestions but most turned out to sell other things to complement their main product. However, it seems there are two shops in London that only sell naan bread: Bakhtiar’s Naan on Blackstock Road and a Kurdish naan bread shop on East Street, Walworth (thanks Nicky Smyth). The hat shop on Wilton Way SW1 may also be a contender (thanks Londoneer), but needs independent verification. Volunteer?

Good Cause of the Day
On World Food Day last year, Save the Children and the Craftivist Collective launched the #imapiece project,to raise awareness of the charity's campaign to tackle hunger, which remains the biggest underlying cause of children dying. Over the past six months, hundreds of jigsaw pieces have been stitched with messages about why tackling hunger and injustice is so important. This amazing installation of over 700 pieces comes to London today and will be on show in St John's Square, Farringdon from 11am-9pm. Drop by and show your support. If you wish to support the campaign against hunger, you can make a donation to Save the Children online.

London Weather
You know how you sometimes leave work before you've sorted out all your emails or filed all your admin, but someone calls you to the pub and you're a bit weak and you say yes, and you go to the pub and have a drink, and then another drink, and then somehow another drink, and all the time you have this nagging feeling that you had to finish something off, and it's OK, because you're sure you'll have time when you get home, to join up the dots and finish off that task ahead of tomorrow, but then you get home and it's...what...shit, really? Quarter past one! And you're a bit pissed. And it's quarter past one. And you still have to formulate that important email before you go to sleep. Well, that's kind of what happened to the weather report today. We're sorry. It won't happen again. We really haven't checked what the weather is supposed to be like today, but we'd hazard that it'll be quite sunny with some cloud and maybe, perhaps a spot of rain. Dunno. Sorry. BBC Weather is more reliable.