With Professor Gordon Graham.

Presented by Anna Hill.

Presented by Carolyn Quinn and Stephen SacKur.
6.25,7.25,8.25 Sports News With Steve May.
7.48 Thought for the Day With Elaine Storkey.

4/5. The skyline of London is all set to change with a new generation of tall buildings. Adam Hart-Davis attempts to conquer his fear of heights as he ventures upwards in the capital. Producer Sarah Taylor Repeated at 9.30pm

4/4. This Sporting Life. David Storey 's 1957 novel focused on rising rugby league star Arthur Machin and his antics on and off the field. Writer and TV presenter Ian Clayton , standing in for Storey, talks to members of Featherstone
Rovers rugby league club about how the game has Changed. Producer Clare Jenkins

6/9. Thembi's Aids Diary. In 2004, at the age of 19, Thembi Ngubane was given a tape recorder to Keep an audio diary of her life with Aids. Over the course of a year, she collected more than 50 hours of tape giving a moving and highly personal insight into what it's like living with Aids in South Africa today.
Producer Emma Rippon
Repeated on Monday at 8.30pm

The story of Bobbie, Phyllis and Peter - The Railway
Children - has touched and moved generations of readers for more than a hundred years since E Nesbit published the first episode in the London Magazine in January 1905. Nesbit's biographer Julia Briggs visits the Edwardian writer's childhood home to discover the inspiration behind this eternal Classic. Producer Rachel White

Presented by Sheila McClennon and Peter White.

With Shaun Ley.

Repeated from Saturday 6.07am

Repeated from yesterday at 7pm

Burnt-out gambler Spike just wants a quiet life. But when his own son comes to him with a proposition for one last big-stakes game, how can he refuse? Even if the game is with the devil. By Sebastian Baczkiewicz.

2/6. This week's programme is about the bladder.
Barbara Myers is joined by her specialist guest consultant Mark Slack to take listeners' calls. Producer Erika Wright
PHONE: [number removed] (calls from land lines cost no more than 8p per minute) Lines are open from 1.30pm emailyiawww.bbc.co.uk/radio4

Repeated from Sunday at 7.55am

4/5. Future Imperfect. The disappointments and unexpected joys of single parenthood. By Cherie Jones. Read by Nicola Alexis. For further details see Monday

4/4. Kendal Mint Cake. According to legend, a 19th-century Kendal confectioner accidentally invented Kendal mint cake. The exporer Sir Ranulph Fiennes shares his fond memories of expeditions and the key role this confection played. Presented by Sheila McClennon. For further details see Monday

Repeated from Sunday at 4pm

In the second part of a tour of the Open University's summer schools, Quentin Cooper visits the University of Sussex to talk about the importance of practical work in learning science. Is there a right way of practising science? is there a limit to experimentation for the sake of scientific progress? Producer Colin Grant

News and analysis, with Eddie Mair.

3/6. Sketch show written and performed by Marcus Brigstocke , Danny Robins and Dan Tetsell , with Lucy Montgomery. Producer Alex Walsh-Taylor

Bert launches an investigation.
For cast see page 34 Repeated tomorrow at 2pm

John Wilson presents the arts magazine. Producer Timothy Prosser

4/5. At 16, Namu quarrels with her mother. With no money for a return ticket, she travels 3,000 miles to audition for the Shanghai Music Conservatory. By Shaun MacLoughlin. For cast and further details see Monday Repeated from 10.45am

Twenty years ago this month, Julie Tullis became the first British woman to reach the summit of K2.
Caught in bad weather during the descent, she never made it down. Then, last year, one of her diary tapes was found on a Himalayan glacier, an audio document of a previous expedition that brings to life the hardship, the dangers and the fascination of the high peaks. This is
Julie's story told through the lost-and-found voice on her expedition cassettes, and interviews with her climbing partner Kurt Diemberger , her husband Terry and children Chris and Lindsay. Producer Sara Parker

6/9. Workers of the West, Retire? Many Western companies are shifting investment and jobs eastwards, particularly to the dynamic young economies of China and India with their huge reserves of cheap labour. Could we soon see a world divided along new lines - producer countries in the East and consumer countries in the West? Zareer Masani asks whether that could spell mass redundancy over here, and if so, whether we can survive as the affluent consumers of cheap imports. Producer Ingrid Hassler Repeated on Sunday at 9.30pm

2/6. Living without Oil. Sweden aims to be the first nation to live without oil by 2020. The Swedes claim it will gain them an economic and technological lead over the rest of the world. But can they pull it off, and should Britain follow their lead? Tom Heap investigates. Producer Alasdair Cross Repeated tomorrow at 3pm

4/5. The skyline of London is all set to change with a new generation of tall buildings. Adam Hart-Davis attempts to conquer his fear of heights as he ventures upwards in the capital. Repeatedfrom9am

With Robin Lustig.

4/5. By Truman Capote. Clyde presents Grady to his family as his wife. The fallout leads to a separation for the newly married couple. For further details see Monday

5/6. Unspoken Love. Laurence and Gus continue their series about matters of the male heart with a medieval tale of mishandled love. By Laurence Howarth and GUS Brown. Producer Colin Anderson

3/4. Airports. A travel series that never leaves home, with Julian Fox. Julian visits London's airports to decide where he'd like to fly from, and discovers that you can have quite a nice holiday just within Gatwick.
Producers Seb Barwell and Steve Doherty

3/6. Barry Cryer looks at the character of Rita Rawlins nee Garnett, daughter to the vociferous over-opinionated Alf, and married to the layabout Mike in Johnny Speight 's Till Death Us Do Part. Written by Mike Barfield.
Part 4 can be heard next Tuesday For further details see Tuesday

4/5. By Andrew Greig. Repeated from 9.45am