Things To Do In London Today: Wednesday 12 June 2013

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BLOOD: Today’s opportunities to donate blood are at Lambeth Town Hall and The Abbey Centre on Great Smith Street. Free, see site for terms and conditions

TIME: A Storm is Blowing: Timekeeper in Residence Installation is the grand title of a new exhibition at UCL Petrie Museum of Egyptian Archaeology — a 3D diagram that strings together 35 different historical pictures and models of time. Free, just turn up, until 2 August

LINES: Advertising Exhibitions presents their debut exhibition Lines today at The Strand Gallery. Over 30 artists exhibit works across a variety of disciplines, the aim being the varying practices will create a narrative, or line, between the art works. Free, just turn up, until 15 June

COMEDY ASHES: Andy Zaltzman has created a cricket-themed comedy quiz night to celebrate The Ashes. This first one features Miles Jupp, Amol Rajan and Australian Kent Valentine, at Formans in Hackney Wick. £11.50, prebook, 6pm

RESTLESS RIBIERO: In celebration of Asia House's 2013 exhibition Restless Ribiero An Indian Artist in Britain, Ribiero's long-time friend and curator, Patrick Boylan, presents a lecture on the motives, values and stylistic shifts in Ribiero's work. £10/£8, prebook, 6.45pm

LIT: Marcel Theroux reads from and signs copies of his new novel Strange Bodies tonight at Clapham Books. Free, just turn up, 7pm

WEIRD CUSTOMERS: Jen Campbell reveals more weird things customers say in bookshops, at Woolfson & Tay. Free, prebook, 7pm

REMEMBERING: Celebrate the life and work of Clara Zetkin, founder of International Women’s Day, at Housmans Bookshop today. £3 (redeemable against purchases), just turn up, 7pm

SCREEN SOCIAL: Can't decide between a music night or a film night? Well now you don't have to, as Screen Social is a Music vs Film mashup night. Tonight, filmmaking network Radar Music Videos presents some of its best work and Caroline Bottomley, the founder, talks about the industry. £4/£3, prebook, 7pm

MAGIC LANTERN SHOW: Mervyn Heard, author and magic lantern extraordinaire, summons up some of the most baffling examples of lantern imagery, lantern stories and optical effects for the Last Tuesday Lecture series. £7, prebook, 7pm and 9pm

Please contact matt@londonist.com with any suggestions for the following sections.

Good Cause of the Day
Tickets are now available for Margins Promises Auction, Spoken Word and Jazz Night on Thursday 20 June at Union Chapel. An evening with something for everyone, speakers include stand up comic Sanderson Jones, there'll be music from the talented young jazz duo Sam Braysher and Will Arnold-Forster, and an auction with everything from sailing trips to cakes. Its all in aid of Margins Promises, which provides support services for the homeless and needy. £10, prebook, Thursday 20 June at 7.30pm

London Puzzle of the Week
Today's clue-word is DAVID. Combine it with yesterday's clue, plus those to be published on Thursday and Friday, and see if you can work out the connection.

London Weather, by Inclement Atlee
If your hobby is to collect rain, then you need to pull a sicky with work right away. Today is the day for gathering some prize samples. There will be — quite literally — lots of rain. Wet rain, aqueous rain, saturated rain...it's all there, ripe for the bottling. Better yet, take an aliquot along to the Museum of Water at Toynbee Studios on 18 June. They really like rain, and might even subsume your sample into their collections. People who collect the wind will also be satisfied with today's offerings. But they're just weird.