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GIVE BLOOD: Today's donation clinics are at East Dulwich Sainsbury's and the West End Donor Centre, Margaret Street. Free, just turn up, check website for times
SCIENCE ART: 15 works of art by St Martin's students are dotted around the public bits of the British Library from today, all with scientific themes. Go hunt them down. Free, just turn up, until 24 March
CROSS-DRESSING: Neil McKenna talks about Victorian cross-dressing at Islington Central Library. Free, prebook, 6pm
GIG: A rare live performance from Keaton Henson can be seen at Rough Trade West. Buy his new album during the day for a free entry wristband, or queue up an hour before the gig for remainders. Free, just turn up, 6pm
BOOZE: It's the Londonist Alphabetical Pub Crawl tonight, and we're up to part 'K' for Kennington. If you'd like to join us in visiting the four best pubs in the area, drop Matt a line on firstname.lastname@example.org, as space is limited. Free, prebook, 6.30pm
SOOO SHOREDITCH: If you're over in EC2A and looking for unusual distractions, try Butchery Bingo at Shoreditch Butchery (£2, 7pm), a ukulele hootenanny at Queen of Hoxton (free, 7.30pm), or speed dating at The Book Club (£13, 7pm).
LANDSCAPE: A Passengerfilms event at Roxy Bar and Screen (Borough) uses short films and live performance to explore how music shapes journeys. £5, just turn up, 7.30pm
COMEDY: Andrew Maxwell headlines Old Rope at the Phoenix, plus sets from Isy Suttie, Rich Hall, Romesh Ranganathan, Andrew Bird, Tiffany Stevenson and a special guest who ‘likes staying in’. £5, prebook, 7.40pm
DARK POETRY: David Harsent performs poems about darkness, at the Southbank Centre. £8, prebook, 7.45pm
Random London Fact of the Day
The stretch of Northern Line between King’s Cross and Angel used to smell of sweaty feet, or changing rooms, according to John Betjeman, in this classic documentary from 1963 marking 100 years of the Tube. Watch also how bloody awkward everyone was in front of the camera back then.
Good Cause of the Day
Karaoke for a good cause tonight, if you happen to be free and fond of a good sing-song. B-Soho, a cocktail bar on Poland Street, presents Charaoke (that's charity + karaoke...clever, eh?), in support of the World Cancer Research Fund. The event will be co-hosted by Frayer Lee, who last year was the charity’s fastest female finisher in the London Marathon. It's a minimum of £5 entry, with all proceeds going to the charity. Raffle prizes, and awards for best singers will also be made. Doors open at 6.30pm, with the competition at 9pm.
Today's forecast is constructed entirely using words from James Bond film titles.
A quantum of daylights, and never enough thunder from Russia. Tomorrow is another day. Golden diamonds fall from the sky, and you view no moon. You only finger her Majesty's secret pussy twice.
BBC Weather has