With the Rev David Cooper.

The Periodic Tales
At ten points throughout today, a much-loved Radio 4 voice introduces an element from the Periodic Table and the unique role it plays in human existence.
7.29 Hedii Nicklaus on the Superman element, krypton.
8.58 Brian Perkins dramatises the effects of helium.
9.42 Trevor Harrison discovers the properties of silver.
10.58 Charlotte Green on the deadly history of arsenic.
12.54 Carole Boyd unearths a bizarre element: selenium.
1.58pm Brian Perkins on oxygen.
4.29 Hedii Nicklaus on the "goblin" element, cobalt.
5.58 Carole Boyd on palladium.
7.15 Charlotte Green on iodine's place in brain development.
9.30 Trevor Harrison on nickel, material of space stations. Producer Richard Collins See also The Periodic Table, Mon-Fri at 3.45pm

With James Naughtie and Edward Stourton.
6.25,7.25,8.25 Sports News With Steve May.
7.48 Thought for the Day With Clifford Longley.

Andrew Marr and guests set the cultural agenda for the Week. Producer Alice Feinstein Shortened repeat at 9.30pm

New series 1/3. "I didn't think it was enough to have 'Made a lot of money' written on my tombstone. I want to make a difference." Jo Morris meets three people who've turned their backs on lucrative careers and have chosen to retrain as teachers. Producer Sarah Taylor

5/6. The Wizard of Evesham. Starring Penelope Keith.
Agatha is alarmed when her new wizard of a hairdresser seems keen to take care of more than just her split ends.
She soon discovers that everyone in his salon has a secret and that he practises a very dark magic indeed.
Dramatised by David Semple from the novel by MC Beaton .
Producer Carol Smith

Consumer affairs, with Winifred Robinson and John Waite. Five hundred people a day are diagnosed with dementia, and the numbers are rising. In the first of a daily series this month, examining the causes, treatments and impact of dementia, those living with the disease tell their story.

With Nick Clarke.

14/17. The second semi-final of the nationwide general knowledge quiz, with contestants from the Midlands and the north-west of England. Chaired by Robert Robinson. Producer Richard Edis Repeated on Saturday at 11pm

Repeated from yesterday at 7pm

By members of the Mind Arts Project, Stockport.
In a city where stolen dreams are being traded on street corners, private detective Jack Mackenzie tries to find a missing person and gets more than he bargained for.
Producer/Director Nadia Molinari

Listeners' personal finance questions answered by Vincent Duggleby and his guests. Producer Chris A'Court PHONE: [number removed]0444 Lines open from 1.30pm

1/5. Night in the Front Line. A week of short stories written during the Second World War by and about women. In Molly Lefebure 's story, feisty Mrs Minnow , bombed out of her house, has had just about enough of Mr Hitler. Read by Julia McKenzie. Producer Martin Jarvis

1/5. Marking the 200th anniversary of the first atomic table, comedian Chris Addison begins his quest for new insights into the elements that 30 years ago inspired Primo Levi 's autobiographical work The Periodic Table. His search begins with a look at hydrogen. Producer Vicky shepherd

puddings. With Sheila Dillon. Repeated from yesterday at 12.30pm

Gavin Esler and contributors from across the globe offer perspectives on topical issues. Producer Mark Rickards

News and analysis, with Eddie Mair.

9/9. Exchanging favourite quotations and anecdotes this week are barrister and author of Rumpole of the Bailey John Mortimer , Eats, Shoots and Leaves writer Lynne Truss , ex-MP Matthew Parris and writer and comedian Jeff Green. Producer Tilusha Ghelani Repeated on Sunday at 12.04pm

David fights for democracy.
For cast see page 40 Repeated tomorrow at 2pm

Mark Lawson reports on a major exhibition of artistic treasures from Imperial China. Producer Philippa Ritchie

Five writers search for their identities.
1/5. India-Lite. By Sonali Bhattacharyya. In 1993, the teenage Sonali was taken on a family holiday to India. Here she joins a rowdy, local tour group to a sanitised ashram, with Caucasian devotees drinking cafe lattes and practising "Zennis".
Director Shabina Aslam Repeated from 10.45am

Michael Portillo tells the story of 4,000 Basque children who came to the UK to escape the horrors of the Spanish Civil War. Although the motivation to bring them here was humanitarian, the children were soon to become pawns in a game of national and international politics as the dark clouds of fascism gathered over Europe. Producer Simon Evans

6/9. In Madagascar, Olenka Frenkiel investigates whether a major mining project can live up to its billing of creating jobs without harming the environment. Repeated from Thursday

8/9. Autumn Review. With the current shift in the seasons, and spring and autumn arriving earlier, Paul Evans follows up on a few wildlife stories that made the headlines this year. He investigates whether certain species are just experiencing a natural flux in numbers or whether changes affecting their food sources and habitat conditions are a result of warming temperatures and will become irreversible trends. Producer Sheena Duncan Repeated tomorrow at Ham

Shortened repeat from 9am

With Robin Lustig.

1/5. By Alice Greenway. A tale of two sisters and the summer that ends their childhood. Vicki Simon reads a vivid and tender first novel, set in 1960s Hong Kong and told through the eyes of a 12-year-old.
Abridged by Jules Wilkinson. Producer Amber Barnfather
RT DIRECT: White Ghost Girls is available for E9.99 (RRP E10.99) including p&p. Address: [address removed] cheque payable to RT Direct. Call [number removed]042 (national rate) quoting RT or visit www.rtdirect.sparkledirect.com

Shortened repeat from Saturday at 9am

Today's business in Westminster, with Susan Hulme.

Behind the Scream 1/5. Repeated from 9.45am

Michael Gallagher reports on suicide

A
Suitable Boy (2/20)