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BLOOD: Today’s opportunity to donate blood is at Brewers Hall in the City of London. Free, see site for terms and conditions
LOST LECTURES: Interesting talks in a secret location pretty much sums up Lost Lectures. Today's event is already sold out but if you hurry you might be able to nab the last couple of tickets to tomorrow's event. £35, prebook, Saturday 20 July at 7pm
COCKNEY: Get your Hobson's choice ready for a sing-along as the Cockney Heritage Festival comes to town. Events take place across the week but tonight you can have a knees-up round the old Joanna, celebrate the opening of a new social club, enjoy a variety of exhibitions or join an outdoor screening. Cor blimey! Free, see website for full listings, until 27 July
SON CUBANO: Latin salsa band Son Yambu play authentic Afro-Cuban music that originated in the streets of eastern Cuba at the turn of the last century, at the Royal Albert Hall. Free, just turn up, 12pm
LUNCHTIME CONCERT: Free lunchtime concerts at St Andrew by the Wardrobe continue today with a programme of Britten, Maxwell, Reade, Hesketh and Dorati, performed by oboist Louise Hayter. Free, just turn up, 12.30pm
TAXIDERMY: Artist Polly Morgan uses the skill of taxidermy to create beautiful still lives in unexpected surroundings. Hear her talk about her art at the Institute of Contemporary Arts today. £5, prebook, 1pm
HUNTER AT HUNTERIAN: The Hunterian Museum is the legacy of revolutionary Scottish surgeon John Hunter and today at the museum, We Are Goose perform Will You Hold My Hand, a musical extravaganza that celebrates Hunter's great (but often bizarre) life. £5, prebook, 7pm
COMEDY DOUBLE: Preview double bill at the Pleasance: Grainne Maguire is sad there’s no election this year, so she’s decided to re-create the experience for her new Edinburgh show. Less themed, but probably more self-loathing, stand up from Tom Craine who you may be more familiar with from sketch trio Jigsaw. Also very funny solo. £10, prebook, 7.30pm
SPOKEN WORD: John Hegley and Isy Suttie are among the guests at Invisible Dot’s spoken word night Stories. £8, prebook, 7.45pm
COMEDY FESTIVAL: Today is the last day of the Ealing Comedy Festival, featuring Andi Osho, Paul Sinha, Imran Yusuf and more on the line-up. £18.50, prebook, 7.45pm
ROLLER SKATE: The Friday Night skate starts at Wellington Arch. Anyone who feels competent on skates is welcome to join. Free, just turn up, 8pm
DAFT PUNK: Head to the George Tavern tonight for six hours of Daft Punk hits, Daft Punk influenced artists, Daft Punk video footage and the chance to win Daft Punk memorabilia. And some Jason Donovan. Only kidding, it really is just Daft Punk. £3, just turn up, 9pm
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Good Cause of the Day
Cycling aficionados: why not try out the London to Paris bike ride for a good cause of your choice this year? The next scheduled trips are 4-8 and 18-22 September 2013 which gives you plenty of time to firm those buttocks and raise the £1,450 sponsorship money asked for. Help will be offered along the route by experienced tour reps, vehicles will transport your luggage and all accommodation and meals are organised for you. All you have to do is cycle from London to Paris.
London Connection Puzzle
Your four clue-words are LI, MT, IT and GI. What's the London connection? (No need to email in...a couple of people have already got it.)
London Weather, by Inclement Attlee
There is no weather. Go away.