9.00 Tony Buzan explores mnemonics.
9.30 Digital Planet - Cybetwar Exploring computers' potential influence on warfare.
10.10 Open Minds continues with features on alien evolution and risk calculation.
Series producer Lisa MacHale FURTHER DETAILS: brochure hotline [number removed](calls charged at national rate); Ceefax: page 626; or website: www.open.ac.uk/bbc/openminds