Things To Do In London Today: Wednesday 20 March 2013

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DESIGNS OF THE YEAR: Every year the Designs of the Year Awards showcase the most innovative and imaginative designs from around the world. From today the nominations are on display at the Design Museum. Prices vary, prebook, until 7 July

COFFEE AND THE CURATOR: To celebrate English Tourism Week, you can join Assistant Curator Katty Pearce for a pre-work coffee and tour of Guildhall Art Gallery’s collections. Free, just turn up, 8.15am

GREEDY ITALIAN BOOK SIGNING: Antonio Carluccio and Gennaro Contaldo will be signing copies of their latest cookbook, Two Greedy Italians, today at Fortnum & Mason. Free, just turn up, noon

THEATRE: Knives in Hens by David Harrower is about a love triangle in a pre-industrial landscape, and the transformative power of knowledge as the world moves from rural to urban. At Trafalgar Studios, directed by Edward Stambollouian. £8, prebook, 2.30pm

EUPHORIA: UCL School of Pharmacy puts on an annual variety show and tonight, Euphoria 2013 takes place at the Shaw Theatre in support of Great Ormond Street Hospital. There will be talent shows, diverse dances, comedy, fashion and musical performances. Invite your friends, show your support and have a great time. £12/£10, prebook for cheaper tickets, 6pm

DARWIN’S LONDON: Joe Cain discusses the important locations in London for Charles Darwin, in a talk at the ever-excellent Grant Museum. Free, just turn up, 6pm

BOOKS: Acclaimed novellist, short story and essay writer, AL Kennedy is at Waterstone's Piccadilly this evening to discuss her latest anthology, 'On Writing'. £5/£3 (including a glass of wine), prebook, 6.30pm

SPIRITUAL MUSIC: Grab a free look inside St Paul's and hear some beautiful music, as the Cathedral Choir and Chorus with the London Mozart Players take on Bach's St John's Passion. Free, prebook, 6.30pm

LAUGHS FROM BEYOND THE GRAVE: Tom Binns performs as his award-winning characters at Conway Hall this evening. Meet Ian D Montford the Spirit Medium and Ivan Brackenbury, the naff hospital DJ. 'Spiritual messages', inappropriate song choices and laughs aplenty. £10, prebook, 7pm

MUSIC AND FILM: Screen Social's March instalment sees Jeanie Finlay's acclaimed indie documentary 'Sound It Out', about the last remaining record shop in Teeside. Enjoy the film as well as some award-winning shorts, followed by live DJ sets. £4/£3, prebook for cheaper tickets, 7pm

COMEDY:  The charity Archive Architecture for Health, which works in Haiti, Cameroon, Brent and Newham, has a fundraiser at the RADA Studio Theatre with Josh Widdicombe, Dan Wright, Mark Simmons and Craig Murray. £20/£15, prebook, 7.30pm

THEATRE: Get interactive at Bethnal Green Working Men's Club tonight, as Comedian Dies in the Middle of a Joke plays out a murder mystery right in front of you. And the audience are the suspects. £7/£5, prebook, 8pm

BRAZILIAN VIBE: Head to Primo Bar this evening to hear Brazilian drum'n'bossa singer, Fernanda Porto perform. Free, just turn up, 8pm

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Random London Fact of the Day
Remember yesterday how we pondered where the Thames transitions from freshwater to saltwater? Reader Marc Dickson offers further information: "A very quick Google throws up this link (PDF) for the Mayor’s estuary Airport scheme. Page nine is quite clear: Lambeth is lowest point at which the river can be considered fresh, from there to the River Darent (down Dartford way) is the brackish zone and east of there is saltwater all the way." So Caroline Halstead-Smith's suggestion, that Blackfriars Bridge is the vague transition point, certainly holds some water, so to speak. Tomorrow, we have yet another take on the matter...

Good Cause of the Day
Today RESULTS UK, an international advocacy organisation working to end global poverty, is putting on a screening of ‘They Go To Die’, to support its wider campaign on the tuberculosis epidemic in southern Africa’s gold mines. The film follows the lives of four for­mer migrant goldmine work­ers in South Africa and Swazi­land who have con­tracted drug-resistant tuber­cu­lo­sis (TB) while work­ing at the mines. When the min­ers fail to improve their TB sta­tus at the min­ing hos­pi­tal, they are sent back to their communities with no con­tin­u­a­tion of care or means for treat­ment. This prac­tice is often referred to as “being sent home to die” by health officials. The screening is tonight at Ritzy Cinema, Brixton at 7pm.

You can find out more about what RESULTS UK does via its webpage.

London Weather

Today's forecast is brought to you by Londonist's new bathroom mat, which looks a bit like a cloud. Expect fluffy, off-white skies and plenty of moisture throughout the well as a superior grip underfoot when effecting your egress from the bathtub. BBC Weather has the forecast without any useless, dead-end analogies.