With Professor Gordon Graham.

Presented by Anna Hill.

With Carolyn Quinn and Stephen Sackur.
6.25,7.25,8.25 Sports News With Steve May.
7.48 Thought for the Day With Akhandadhi Das.

3/6. To what extent can you improve your memory?
This week Mariella Frostrup discusses how vulnerable our memories are as we try holding on to new information, and meets researcher Sue Gathercole , who explains how our working memory can be actively developed in childhood. The acclaimed pianist David Owen Norns reveals how it's possible to memorise a whole sonata and how techniques employed by performers can feed into everyday life. Producer KatyHickman Repeated at 9.30pm

3/6. James is entering this year's World Memory
Championships. He will have to memorise pages of poetry, thousands of binary digits, and the exact order or hundreds of shuffled playing cards - all against the clock. A motorbike accident six years ago affected his memory and prompted his journey to improve it. He explains how his strong sense of touch and vivid imagination allows mm to turn random information into powerful images to recall information instantly. Producer Pamela Rutherford

1/6. A Good Fondness for Rats. A series telling original stones about real lives in Britain today. Today the Ancient and Honourable Society of Ratters goes to Yorkshire to experience a real rat-hunt, masterminded by ex-miner
Brian Oliver. But when he invites them back to his council semi, n s not quite what they're expecting. producer Laurence Grissell

4/6. Andy Steps Up. PC Andy Crawford gets another chance to earn his stripes when some suspiciously priced tins of salmon turn up on Dock Green market. By Ted Willis. Adapted for radio by Sue Rodwell.
Producer/Director Viv Beeby

Presented by Stuart Flinders and Sheila McClennon.

News, with Shaun Ley.

5/6. Sherwood Forest. In this week's puzzle, ancient oaks, a stunning avenue of limes and Robin Hood help uncover people's changing relationship with trees since the middle ages. Presented by Brett Westwood. producer Grant sonnex

Repeated from yesterday at 7pm

Filiz doesn't want to marry Murat and run her mother s cafe. She wants a love that will set her on fire, but most of all she wants to be free. By Samantha Ellis.
Music by Nina Perry ; Director Shabina Aslam

Chris Beardshaw, Bob Flowerdew and Anne SwithmbanK answer questions posed by members of the Amersham Society in Buckinghamshire. Chaired by Peter Gibbs. Including at 3.25 Gardening Weather Forecast.

3/5. The Doll. A young woman meets her father for the first time as an adult, and hopes to introduce him to her strikingly beautiful girlfriend. Written and read by Cherie Jones. For further details see Monday

3/4. ChorleyCake. Sheila McClennon goes to Lancashire to investigate the origin of Chorley cakes. For further details see Monday

Laurie Taylor leads a discussion on items and issues from the academic and research world. Editor Sharon Banoff

2/3. Dr Mark Porter finds out why our memories are not always a perfect record of the past. Repeated from yesterday at 9pm

News and analysis, with Eddie Mair.

A tribute to comedian and Radio 4 favourite Linda Smith, who died earlier this year. Andy Hamilton talks to her friends and colleagues, including Jeremy Hardy, Mark Steele, Hattie Hayridge, Sandy Toksvig, Nicholas Parsons, Chris Neill, Tony Hawks,
Simon Hoggart, Barry Cryer and her partner Warren Lakin. He also treats us to some of her best radio bits, including her own sitcom Linda Smith's A Brief History of Timewasting, her appearances as a panellist on The News Quiz, Just a Minute and I'm Sorry I Haven't a Clue, and her musings on Radio 4's Devout Sceptics that led to her being asked to be President of the Humanist Society. Producer Claire Jones What Jeremy Hardy's watching: page 36

Lilian flashes the cash.
For cast see page 34 Repeated tomorrow at 2pm

With John Wilson , including an interview with the leading Kenyan writer Ngugi wa Thiong'o, who spent many years in self-imposed exile. Producer Robyn Read

3/5. Namu takes five days on horseback and four days by train from Lake Lugu to Beijing, where she wins the all-China singing competition. By Shaun MacLoughlin. For cast and further details see Monday Repeated from 10.45am

9/9. Michael Buerk chairs a live debate in which Melanie Phillips , Claire Fox , Clifford Longley and Ian Hargreaves cross-examine expert witnesses on the moral issues behind the week's news. Producer David Coomes Rptd Sat 10.15pm

1/3. Robin Denselow looks at songs that have made a political impact, beginning with Nkosi Sikelel ' iAfrika (God Save Africa), written in the Eastern Cape in 1897 by Enoch Sontonga and adopted by the African National Congress in the struggle against apartheid.
Producer Chris Bond Repeated from Sunday at 10.45pm

New series 1/3. Conservation. A series looking at the role of the general public in collecting scientific data. Sue
Nelson accompanies the amateurs and hobbyists in their quest to plot, survey and measure the natural world and asks the experts whether the information they collect is valuable and useful. Producer Fiona Roberts

Repeated from 9am

Presented by Robin Lustig.

3/5. By Truman Capote. Grady is happily playing house with Clyde in her parents' Fifth Avenue apartment.
All is well until Clyde's unexpected confession threatens to ruin everything. For further details see Monday

2/6. Terrorism. The Department is a secret organisation with the power to influence every aspect of your life. At its heart, an eccentric three-man think-tank with the brief to brainstorm new ideas on solving society's problems. This week the team have to tackle protecting Britain from the threat of terrorism while trying to find a way around a surprise random drug test. Written and performed by John Oliver and Andy Zaltzman , and featuring
Chris Addison , with Peter Dickson , Matthew Holness and Lucy Montgomery. Producer Richard Grocock

2/6. Barry Cryer looks at the character of Eth, the love interest of Ron Glum in Take It from Here's the Glums - a favourite Of the 1950s. For further details see yesterday

3/5. By Andrew Greig. Repeated from 9.45am