Things To Do In London Today: Tuesday 14 May 2013

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

BRITISH ART: A complete, chronological re-hang of the collection Walk through British Art opens today at Tate Britain, including artworks from 1540 to the present day. Free, just turn up

FANS: Curiosities and Quirky Fans opens today at The Fan Museum in Greenwich, celebrating how fan-makers combined artistry and humour to create fans that still delight today. Take a look at fans that can transform into parasols, guns and even cigars. £4/£3, just turn up, until 1 September

SCIENCE: Some of the best academic scientists in the UK will be explaining their latest research in a variety of London pubs across the next three days on the subjects of Brain, Body and Biotechnology. Check the Pint of Science website for full listings and locations. Free, prebook, until 16 May

FUNEMPLOYMENT: The Free Help Guy is back and, this time, he is extending an invite to Londoners who are unemployed but looking for work to take a one-day break from job hunting to do a good thing or two. Most of the day is a mystery but some more details can be found on his blog. Free, just turn up, 10am

PUB CAMPAIGN: The Porcupine pub in Mottingham is under threat of being demolished and replaced by LiDL. Today sees local residents, MPs and CAMRA members attend a public rally at the pub. Free, just turn up, 10.30am

MILITARY SPECTACULAR: The Honourable Artillery Company lives in that impressive castle-like building on City Road. Once a year, it opens up to the public, and tonight's the night. As well as military displays and big guns, you can also clamber aboard a Chinook helicopter, drink in the HAC bar and — highlight of highlights — watch members of the RAF parachute in a few metres in front of you. Free, just turn up, 5.30-8.30pm

MEET THE ARTIST: You can meet Alexander James, the artist behind Intersection — an amazing exhibition of underwater photographer — tonight at The Studio Building. Free, RSVP to, 6pm

FEMALE FILM FESTIVAL: Time of the Month is a free networking event for female filmmakers. As well as an opportunity to network, there is also an open mic section where filmmakers can screen their shorts for audience feedback. Free, just turn up (email in advance if you want to screen your film), 6.30pm

TEEN HORROR: Rachel Caine and Sarah Rees Brennan talk teen horror at Foyles. £3, prebook, 6.30pm

CHINA: Get the experts’ take on China from Jonathan Fenby, Gerard Lemos and Yuwen Wu at the Festival of Asian Literature. £10/£8, prebook, 6.45pm

STORYTELLING: Jan Blake tells the story of The Old Woman, The Buffalo and the Lion of Manding, at Soho Theatre. £9/£7, prebook, 8pm

COMEDY: Three top-notch comedians in one hour at Hen and Chickens: sweet but sharp Canadian Mae Martin, character comedy from one-half of Kieran and Joe, Kieran Hodgson, and sketches from The Pin. £6.50, prebook, 9.30pm

Random London Fact of the Day
There are some 110 places in the UK known as Little London. Approximately none of them have a tube station. We rounded up some of the more buzzing Little Londons in a recent article.

Shameless Londonist Plug of the Day
Regular readers will have twigged by now that Londonist is the official media partner for Museum of London Docklands' 10th anniversary exhibition Estuary. We're really chuffed to be involved with such a promising exhibition — if you get a chance to go along (and it's free), let 'em know that Londonist sent you. It opens on Friday.

Good Cause of the Day
Founded in 2011, Artbox London runs free weekly studio sessions providing a hub and materials for artists with learning disabilities to create art work. The studio is led by volunteers who support artists to develop their own unique art practice and empower them to sell their work through Artbox London exhibitions. Tonight, Artbox London artists will exhibit and sell their work at Nati Gallery on Warren Street. Get to know the artists and possibly buy some of their work — they receive 60% of the money from sales with 40% going back into the organisation. Free, just turn up, 5-9pm

London Weather
Single-figure temperatures in mid-May? To awkwardly mal-Frenchify a Star Wars quote, "These are not the froids you're looking for". To further quote the sage Mr Kenobi, in a scene inexplicably cut from the original films: "It'll piss down like billy-o come home time. And, Luke, watch out for that moderate pollen count". Use the Force. Better yet, use a brolly.