6 40 Chemical Reactions. 7.5 People and Social Structure. 7,30 Sodium Chemistry

BBC outside broadcast cameras cover four races on the third day of Goodwood's May Meeting.
2 0 The Crown Plus Two Apprentice Championship (6f. Round 5. Handicap)
2.30 The Seabeach Maiden Fillies' Stakes (70
30 akThe (7Selhurst Park Handicap Stakes (Old mile)
3 30 The Lupe Stakes dim)
A significant trial for The Oaks over the full Classic distance. Introduced by JULIAN WILSON
Commentator PETER o'sullevan JIMMY LINDLEY , JOHN HANMER

The style and standard of domestic building changed enormously between 1550 and 1660. King's Lynn in Norfolk provides a good example at which to look for the economic and social reasons behind the change. Towns were also growing bigger at this time and London is the example here for urban change.
Producer PATRICIA HODGSON
A BBC/Open University production

in Behind the Screen
Behind the screen Charlie is jack-of-all-trades and master-of-none, but in front of the cameras he becomes the best pie-thrower in the business.
Written and directed by CHARLES CHAPLIN New music composed and directed by DENNIS WILSON
Executive producer WILL FITZWATER

Presented by Charlotte Allen In One Minute from Now
Teams from siRA INSTITUTE LTD, WUIDART ENGINEERING LTD and OXFORD MEDICAL SYSTEMS. LTD are given the problem of designing and building a one-minute ticking clock.
Checking their accuracy are principal judge Heinz Wolff and guest judge John Stevenson from the Science Museum in London.
Assistant producer CHARLES HUFF Producer PETER BRUCE

presents Ry Cooder
A special concert recorded this week at the BBC Television Centre. Introduced by Anne Nightingale
Director TOM CORCORAN
Producer MICHAEL APPLETON

The last in a series of seven programmes : Training to Survive
At St Lawrence's School in Bradford-on-Avon they have motorcycle training on the timetable.
Eugenie Verney and Neil Walker round off the series with visits to St Lawrence's and to the County Training Scheme at Malvern-two courses which prove that training can be fun as well as useful.
Engineering manager DEREK FAWLEY Directed by MIKE COCKER Produced by IAN WOOLF

with subtitles, followed by Weather

Films of early exploration introduced from the Royal Geographical Society by Duncan Carse. Home of the Blizzard (1912)
This film by Frank Hurley , of an expedition towards the South Pole, contains some of the earliest and most exciting action footage ever taken in Antarctica. The party land in unexplored Antarctica to a massed welcome by penguins. They endure the dark polar winter, with gales gusting to 150 mph. In spring the explorers set out on survey expeditions - journeys from which two men never return ...
Narrator MICHAEL KILGARRIFF
Film editor KEN BERRY
Assistant producer DAWN A. SWERLING Producer RICHARD ROBINSON

Memory
How do we preserve our memories, and can we do anything to improve them? The various shapes of memory take form with visits to the Australian bush, to an amnesia victim in California and to Ernie, the Premium Bond computer. Scientists give the latest evidence that shows how the brain changes when we remember.

between Frank Muir
Margaret Howard , Robin Bailey and Arthur Marshall
Julia McKenzie , Julian Pettifer Referee Robert Robinson
Devised by MARK GOODSON. BILL TODMAN Directed by JOHN BISHOP Producer PAUL CIANI

featuring Penny Dwyer, Stephen Fry, Hugh Laurie, Paul Shearer, Tony Slattery and Emma Thompson from the original University stage show directed by Jan Ravens

Presenters PETER SNOW, JOHN TUSA and DONALD MACCORMICK bring you the major events of the day, an,d the pictures, interviews and analysis that explain their significance. .From the programme's team of correspondents: film reports shot in Britain and around the world.