'Leading Edge'
(BBC Radio 4, 9 to 9.30pm)
At Blackpool Pleasure Beach, home of one of the world's largest rollercoasters, engineer John Roberts explains the precise science of how these extreme rides are designed.
'Doing Time - Verdict'
(Channel 4, 9 to 10pm)
This programme focuses on the effect that having a parent in prison has on the rest of the family. Steve is serving a 15-year prison sentence for importing drugs on the back of his lorry, leaving his wife Lynn to bring up their five daughters on her own.
3 June
'The Five Live Report - Food for Thought'
(BBC Radio 5 Live, 12 noon to 12.30pm)
The report looks at why some health concerns exist even about food promoted as 'safe' and 'pure', the boom in alternative food markets and the relentless fight between those who seek our trust in the food they sell us and the regulators who demand tougher inspection regimes.
'New Shoots, Old Tips'
(BBC Radio 4, 2.45 to 3pm)
People are all too ready to pop down to the garden centre and buy chemicals to get rid of garden pests, but older remedies may work just as well. Peter Blackburne-Maze, a former chairman of the Royal Horticultural Society, talks about pest control.
'Panorama'
(BBC 1, 10.15 to 10.55pm)
New Labour came to power four years ago pledging a 'radical' Government that would rebuild Britain and renew faith in politics 'tainted' by broken Conservative promises. Award-winning correspondent John Ware scrutinises the fine print of what was promised and what was delivered.
4 June
'Why People Hate ... Disability'
(BBC Radio 4, 8 to 8.30pm)
Colin Hughes, a BBC Parliamentary producer who has muscular dystrophy, tries to understand what informs society's attitudes towards disability though conversations with some of those whom he feels have made his life most difficult. These include geneticists, media voices, religious people and those responsible for some of the more glaring acts of discrimination in the workplace.
5 June
'Between Ourselves - Lone Twins'
(BBC Radio 4, 9.30 to 10pm)
Two 'lone twins' who lost their idential siblings talk to Olivia O'Leary about their complex feelings of separation, symmetry and symbiosis.
'999'
(BBC 1, 10.35 to 11.15pm)
Among the stories featured is that of a toddler who forced a childproof lid and swallowed 26 iron tablets, leading to 13 days on a life-support machine.
6 June
'Newsround Mock Election Results Programme'
(BBC 1, 5.25 to 5.35pm)
'Newsround' reveals how hundreds of thousands of children have voted in its mock election for young people. The election has run parallel to the General Election and has been designed to give children an awareness of citizenship and the electoral process.
