Pennie Latin decodes the latest weapon of mathematical domination. The algorithm. Show more

Act of worship with the Reverend Chris Galbraith of Boghall Parish Church, West Lothian.

Author Louise Welsh explores the life and work of the celebrated essayist, poet and author

Tom Urie gathers together all the support you need to help you get fitter and healthier. This week, tips and advice for staying on track in the weeks and months ahead. Show more

Analysis and debate from the past seven days, along with a review of the Sunday newspapers and a preview of the coming week.

A look at the cultural and religious legacy of the 1979 Iranian Revolution, hypnotist Paul McKenna on NLP, and the life of war correspondent Marie Colvin killed in Syria. Show more

Live Scottish Cup football with Celtic v St Johnstone (1330) and Hearts v Auchinleck Talbot (1500) with updates from Aberdeen v Queen of the South. Follow @BBCSportsound

Join Gary Innes for the very best in traditional music. In session is Stuart Cameron and his Scottish Dance Band, and Gary's special guest is traditional pianist Mhairi Hall. Show more

Seonaid Aitken is joined by drummer Tom Bancroft previewing music from his new project In Common.

This episode is all about young performers, as Seonaid Aitken showcases young people making waves in the classical music scene. Show more

End the day in the company of the songwriting masters of country, folk, blues, soul and rock 'n' roll.

BBC Radio Scotland joins BBC Radio 5 live.