7.40 Chemical Reactions

8.5 Dartington Hall School

8.30 Evolution by Natural Selection

8.55 Design for Power

9.20 Computing: Linked Lists

9.45 Structure of a Liquid

10.10 The Consultant

10.35 Educational Decision-Making

11.0 Work

11.25 The State of Water

11.50 Handicapped in the Community

12.15 The Northampton Mercury

12.40 Systems Performance

1.5 The Conservative Government 1970-1972

1.30 Rubbish

Glamorgan have shown improved form this season, and Majid Khan and Malcolm Nash will be aiming for that £250 prize for the fastest televised 50. Keith Boyce of Essex is never out of the headlines for long, while skipper Keith Fletcher will be hoping to prove the England selectors wrong.

Introduced by Peter Walker, with news of today's other fixtures. Commentators at Colchester John Arlott and Jim Laker

News of the week plus a visual commentary for those who cannot hear, with Richard Baker

A film by Hugo van Lawick and Jane Goodall
Narrated by David Attenborough

This film dispels the hyena's reputation as one of Africa's least attractive animals. Although they will never make It into the cuddly-toy league, this remarkable record of the hyena's devotion to family life and the skill and courage they show at a kill, has helped to promote them from 'also rans' to star subjects in their own right.
BBC Bristol
Preview: page 17

'Most of one's life,' said Aldous Huxley, 'is one prolonged effort to prevent oneself thinking.'
Undeterred Malcolm Muggeridge puts some of the intriguing questions submitted by the viewers to Louis Allen, Prof Richard Gregory, Gillian Reynolds, Norman Stone

Weather

A film of a sailing cruise made to the Hebrides by Mike McMullen in his trimaran, Three Cheers, currently competing in the Single-handed Transatlantic Sailing Race.

Simon Preston takes a chronological journey through the organist's repertoire, stopping en route to explain all the various stops, manuals and pedals. He demonstrates with music of different kinds and periods that the Royal Festival Hall organ needs to be a thousand instruments to accommodate the many different kinds of sound that organ music requires.

A light-hearted history from the days of the first explorers to the onset of the space age.
A National Film Board of Canada cartoon

by Ty Haller
Authors from the Commonwealth explore their changing societies in six new plays.

'Boycott!' Jeremy and his wife Kim - who is tiring of their crusade to save the whales - come up against the forces of politics, diplomacy, and business, personified by smooth, successful brother Richard. Can anyone take on Richard and win?

Starring Alan Alda as Hawkeye Wayne Rogers as Trapper John

A show is staged at the camp to provide a little light relief for the hardworking personnel. The show must go on of course - but unfortunately so does the war...

Starring Brigitte Bardot, Michel Piccoli, Jack Palance, Fritz Lang

Camille is happily married to Paul but his assignment to write a film script has a cataclysmic - and fatal - effect on their marriage.
Films: page 12