FREE TRAVEL: Over 60? Apply for your free Oyster card from today.
SURPRISE UKES: We hear that a ukulele flash mob is due to descend somewhere on the Southbank today. Keep your ears peeled.
GIVE BLOOD: Today's opportunities to pump out the volume are provided by clinics at Freemason's Hall (9.30am-12.30pm and 2-4pm), Holborn Viaduct (9.30-11.30am and 1-4pm), and Trinity Street, Borough (11am-1.30pm and 3pm-5.30pm).
BANG, FLASH, OOOO: The Science Museum's live stage show, featuring chemical reactions and scientific demonstrations, starts today, running through till 4 November. £12 (adults), £9.50 (children); 11am, 1.30pm
BORING: The Boring Conference, it turns out, is one of the most popular events in London's cultural calendar. Speakers talk about every day items that many would consider boring — train timetables, hairdryers, that kind of thing — but in an engaging way. The second batch of tickets goes on sale today, and will certainly sell out fast. £20, 1pm
ARCHAEOLOGY: This week's Crossrail talk reports on the discovery of a Tudor manor house during a dig in Stepney Green. Free, just turn up, 6.30pm
LIFE DRAWING: A chance to learn some drawing skills without paying a penny (for the first four lessons) at the Life Drawing meetup in Bermondsey. Free, 6.30pm
LONDON BLOGGING: See five champions of London blogging — or electronic publishing — at Museum of London tonight: Dave Hill (Guardian Online), Sonya Barber (Time Out), Michael Pollitt (Snipe London), Chloe McCloskey (Lecool) and Ian Mansfield (Ian Visits). What no Londonist? £7, 7pm
OPERA: Put a bit more Mozart in your life as Don Giovanni opens at the London Coliseum. From £12, 7pm
CURRY: Madhur Jaffrey and Hardeep Singh Kholi are at the Bishopsgate Institute to discuss Madhur's new book Curry Nation, a look at how the south-Asian cuisine became Britain's de facto national dish. £9.50, 7.30pm
NEW MUSIC: "Musicians who play on their own terms FRESH ...RAW... REAL" is the order of the evening at Milly's World, a lineup of fresh talent at the Monarch, Camden Town tonight. £5, just turn up, 7.30pm-1am
OLD MUSIC: Any Talking Heads fans in the house? The Water Poet's basement bar is screening the 1984 tour documentary Stop Making Sense. £4.50, 7.30pm
Random London Fact Of The Day
Did you know that James Bond can trace his roots back to Peckham? In On Her Majesty's Secret Service, the spy's ancestry is linked to Sir Thomas Bond, a wealthy 17th Century Peckham landholder after whom Bond Street is named. Sir Thomas' family motto was Orbis non sufficit...The World is not Enough.
Warm, windy, cloudy, rainy...Wednesday is a capernoited vending machine of weather. BBC Weather.
Secret Hidden False Fact Of The Day
Struggling to find a snappy name for his protagonist, Ian Fleming finally hit upon James Bond after a walk between St James Park and Bond Street. History could have panned out so differently had he strolled between Oval and Mudchute.