7.40 Engineering Statics

8.5 Energy: A Question of Balance

8.30 M101/8 Inequalities

8.55 Mugging

9.20 Computing: Noughts and Crosses

9.45 Sexual Identity: Male Gays

10.10 Functions and Graphs

10.35 In the Dock

11.0 Art and Environment

11.25 The New VC and Graduates meet the Press

11.50 Social Psychology

12.15 Perceptual Demonstration

12.40 Complex Human Ecosystems

1.5 Water Masses

1.30 Ecological Sampling

The Embassy
World Professional
Snooker Championship
Former World Champion RAY REARDON makes his first appearance of the Championship today, while on the next table his old sparring partner EDDIE CHARLTON continues his second-round match.
ALEX ' HURRICANE' HIGGINS will know his fate this afternoon as his match comes to a conclusion, while PERRIE MANS sets out hopefully in his best of 25-frame match. DAVID VINE introduces highlights of this morning's frames, and live coverage of Alex Higgins 's match as it reaches a climax. Commentators
TED LOWE , JACK KARNEHM
CLIVE EVEKTON and JOHN PULMAN

East of Bombay
SALUBAI is a Hindu untouchable, but she is now one of the most respected people in her village, Rajuree. Salubai is a village health worker, one of 70 women trained in basic medicine by two Indian doctors, RAJNIKANT and MABELLE AROLE.

plus a visual commentary for those who cannot hear. With Jan Leeming
Editor Richard GAMBLE

Presented by Brian Widlake and Valerie Singleton including this week
The Alberta Conundrum
The Canadian province of Alberta holds 85 per cent of all Canadian oil reserves. But Alberta's attempts to keep most of the money for itself have precipitated the greatest constitutional crisis in Canada's history. Reporter Nick Clarke
Producer NENVILLE BOLT Editor DAVID LLOYD

Six voyages with Clare Francis Narrated by Laurence Olivier 3: Cargoes
A cargo of tea is shipped from the high Himalayas round half the world
LO Kotterdam. To see how today's world has been shaped by maritime trade, CLARE FRANCIS voyages in a modern container ship on this old trading route. On the way she explores the skills and sacrifices that make seafarers a separate breed from landsmen. The hazards they faced in the Past led to a system of aids to protect them; yet the greed for Profit can still lead to catastrophe.
Principal advisers T. H. PLUMB and BASIL GREENHILL Music by CARL DAVIS
Series written and directed by MICHAEL GILL and ANTHONY MAYER A MALONE-GILL production

The feature film starring John Wayne
Roscoe Lee Browne , Bruce Dern
When a local gold rush lures every grown man off the land, rancher Wil Andersen is in desperate straits. So desperate that he is forced to hire 11 schoolboys aged from 9 to 15 to help him drive his cattle 400 miles to the market. Which makes him seem an easy target for a bunch of outlaws....
Screenplay by IRVING RAVETCH . HARRIET FRANK JR and WILLIAM DALE JENNINGS
Produced and directed by MARK RYDELL Films: page 12

Weather

by PETER RANSLEY
A story in five episodes based on some characters and incidents in A Shepherd's Life by w. H. HUDSON starring Malcolm Storry as Isaac Bawcombe with Carolyn Pickles
Ian Redford and Sandra Voe 2: Birth Spring 1820
. The lambing season is the busiest time of year for shepherd Isaac Bawcombe. However, he has other things to worry about-Mary, his wife, is about to give birth, and midwives are scarce ...
Cast in order of appearance:
Costume designer JOAN ELLACOTT Film editor PETER HEELEY Photography RAY ORTON
Designer CHRIS ROBILLIARD Producer RUTH CALEB
Directed by PETER SMITH

Lee's Team v Fuzzy's Team for the Marley Trophy
Two of America's superstars of golf, with the aid of their celebrity partners, oppose each other in the ninth match of this series. This week's match features
Fred Trueman and Lee Trevino v Jimmy Hill and Fuzzy Zoeller
Lee's partner FRED TRUEMAN is a newcomer to the series, but he has the ' big match ' temperament, as proved by his 307 Test Match wickets. JIMMY HILL returns to help Fuzzy's team, and if they can tie today's match they will win the series.
Peter Alliss commentates and talks with the players over nine selected holes on the beautiful King's Course at Gleneagles Hotel in Scotland.
Television presentation
RICHARD TILLING and ALASTAIR SCOTT Producer DAVID KENNING

TERRY GRIFFITHS , who won the World Title at his first attempt, completes his match this evening, while
DENIS TAYLOR , the man Griffiths beat to win the 1979 title, continues his second-round match.
DAVID VINE reports with highlights of both matches, together with news of ALEX HIGGINS , who completed his match this afternoon at Sheffield's Crucible Theatre.