27 August Shock of the old - high and mighty: Architect Piers Gough visits Durham and Coventry cathedrals to compare the building technologies used in tall, lightweight masonry structures.
8.00pm, Channel 4 29 August Scrapheap challenge - marine salvage: Salvaging a Mini from the bottom of a lake and transferring it safely to dry land is the challenge set for two teams who must design and build machines for the job.
6.00pm, Channel 4 6 September The new contaminated land regime - impacts on site redevelopment: Conference with speakers from Government, the Environment Agency, leading consultants in contaminated land remediation and pioneering developers covering regulation, legal and technical risk, funding and commercial costs and benefits.
Cafe Royal, London Details, (020) 7222 0445. E-mail enquiries@ciria. org. uk 6-30 September Creating sparks: Joint exhibition redrawing links between the Victoria & Albert, Science and Natural History museums, and the Royal College of Art and Imperial College, jointly founded in 1851 as part of a drive to stimulate a renaissance in UK manufacturing.
V&A, Science Museum, Natural History Museum, Brompton Road/Exhibition Road, London Details, (020) 7938 8442 7 September The material world - creating sparks: Presenter Quentin Cooper talks to Natural History Museum director Neil Chalmers, Imperial College rector Lord Oxburgh and renaissance expert Lisa Jardine about the relationship between art and science.
4.30pm, Radio 4 7 September How volcanoes work: Professor Steve Sparks of Bristol University will deliver the Royal Society's Bakerian lecture on advances in the understanding of volcano dynamics that are allowing hazardous eruptions to be anticipated.
7.00pm, The Royal Society, 6 Carlton House Terrace, London SW1 Details, (020) 7451 2576. www.royalsoc.ac.uk