Things To Do In London Today: Friday 26 April

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GIVE BLOOD: Today’s opportunity to donate blood is at Brewers Hall in the City. Free, just turn up, see site for times and conditions

HYPERLINK: This three day festival of art, music and fashion for young people starts today in Tate Modern's Tanks. See the full Hyperlink programme here.

ART: New Order, British Art Today opens at Saatchi Gallery. Free, runs till 29 September.

PHOTOGRAPHY: The World Photography Awards show opens at Somerset House, showcasing snaps on all kinds of subject. £7.50, just turn up, until 12 May.

MORE PHOTOGRAPHY: Stuart Redler's black and white photos of southern Africa are on show at Jaggedart from today. Free, just turn up, runs till 18 May.

TICKETS: Gig tickets for We Are Scientists, The Cat Empire, Big Noise Festival, Peter Frampton and Mott The Hoople go on sale this morning from around 9am.

STREET FOOD: The Food Market at Brent Cross launches today, with over 50 food stalls opening every Friday and Saturday. 10am-4pm

HISTORY OF SCIENCE: How did the media cope with Einstein’s theories of relativity? A lunchtime talk at the Royal Society (whose event team must be on steroids this week) takes a look. Free, just turn up, 1pm

#ASKBORIS: The Mayor takes to Twitter to answer/evade your questions. 2pm

THE OTHER LONDON: Since Edward the Confessor built his palace and abbey, Westminster has been the focus of Royal London. London’s Other City at Guildhall Library recounts stories of its development into a centre of high fashion and power politics. Free, just turn up, 2pm

BOWIE LATE: The V&A opens late tonight, with a programme of live events themed around David Bowie. Free, just turn up, 6.30-10pm

OTHER MUSEUM LATES: Unwind after work with a spot of culture at the Natural History Museum, British Museum, National Gallery or National Portrait Gallery. Free, check websites for closing times and events

FREE FILM: The New Cross and Deptford Free Film Festival starts today, running till 5 May. Tonight you can catch City Slacker at Big Red Pizzeria. Free, just turn up, 7.30pm

BOOKS: Paul Bailey, Kerry Hudson, Rebecca Chance and Fidelis Morgan are the guests at super-popular salon Polari at the Southbank Centre. £5, 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

DISCO: Electronic music night, Slipped Disco, slides into its residency at the Southbank Centre and tonight DJ Ben Osborne plays during the Hayward Gallery’s dazzling Light Show exhibition. Free, just turn up, 8pm

COMEDY: Knock2Bag has a great line-up of Dan Clark, Sara Pascoe, Dan Antopolski, Marcel Lucont, Kieran Hodgson and Karl Schultz, down at Rich Mix. £10 in advance/£12 on the door, 8pm

Random London Fact of the Day
You have to be reasonably well off to reside in Hampstead, and, over the centuries, the area has attracted more celebrities than possibly any other area of the capital. Locals have included such diverse personalities as Robin van Persie, Marianne Faithfull, Liam Gallagher, Ozzy Osbourne, Enid Blyton, Ian Fleming, Ricky Gervaise, and Richard and Judy. It was also the birthplace of Slash, out of Guns N' Roses. There really is no 'Hampstead type', other than well-heeled.

Good Cause of the Day
Maggie's cancer centre at Charing Cross Hospital celebrates its fifth birthday party on Monday, and everyone's invited...including former Blue Peter presenter Janet Ellis. Enjoy tea and cakes alongside a range of taster sessions throughout the day, which highlight some of what Maggie’s does to support people with cancer. Sessions include relaxation, benefits and welfare advice, nutrition, art therapy, and planting summer bulbs. Turn up any time between 10am and 4pm.

London Weather
Today's forecast is made out of Lego, via this web site. In summary: brickish.

rothko

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