6.5InfantCognition.(.ItPerception: Cues and Schemas. 6.55 Physics: Which Way to Turn? 7.20 Argument on Television: 2. 7.45 Industrial Relations.

Last year in the West Midlands alone, over 2,500 attacks on women took place. Today a representative from the police, wpc BHARDWAJ, talks to LALITA AHMED and ANITA NAG wilcox about how women can protect themselves. They also talk about safety at home.
Also, an item of popular music.
Produce rBISH MEHAY. Executive producer ASHOK RAMPAL. BBC Pebble Mill

The Embassy World Professional Championship from The Crucible Theatre, Sheffield.

Fifth Day

Perrie Mans finishes his match this morning while Kirk Stevens, who reached the semi-finals in 1980, makes his first appearance. Later in the afternoon, Cliff Thorburn and Ray Reardon play on separate tables. Thorburn, who had his first victory for two years when he beat Reardon to win the Benson and Hedges Masters in January this year, completes his match, while Reardon will be hoping to make a successful start on his way to winning this title for the seventh time.

Introduced by David Vine

Lysozyme is a powerful enzyme used by the body to destroy bacteria. This action depends on the precise three-dimensional atomic structure of the gigantic lysozyme molecule. PROFESSOR SIR DAVID PHILLIPS explores this structure and its action, using some extraordinary visual effects, models and animations.
Producer JACK KOUMI
A BBC/Open University production

Frame of the Day
Further coverage from Sheffield

with subtitles, followed by Weather

The music, moods, movements, people and politics of Britain s black communities.
Introduced by Juliet Alexander
Vince Herbert and Wayne Laryea with music from Mikey Dread
Producers
ROY CHAPMAN , AMANDA THEUNISSEN Series producer KEITH SHEATHER BBC Bristol

The last of three films for the 500th anniversary of the artists birth, written and narrated by David Thompson
Legend and Legacy Raphael has gone out of fashion over the last century because the values he represents are in eclipse. While the emphasis of the Academies was on classical' standards and ideals, his pre-eminence was unquestioned, but even the least 'classical of art. ists-such as Caravaggio and Rembrandt-have learnt from him.
The architecture designed by Raphael and his assistants in the Villa Madama was to impress visi tors to Rome, and later interpreters of Christian themes like William Dyce and the Nazarenes were to study his frescos, une enthusiast for the artist was
Prince Albert; when he died, he was buried in a mausoleum surrounded by images from Raphael. nostrum cameraman IVOR RICHARDSON Photography JOHN BAKER Film editor ROY FRY
Producer ANN TURNER
Book (same title). £19.95 from booksellers

with Mike Harding
HeWasaLadies'Man
Mike Harding is Sway through his Lincoln light and welcomes his audience back from the interval with a touch of classical music!
Designer STUART FURBER Director KEITH MACKENZIE Producer CYRIL GATES

Written in four parts by Christopher Ralling
Starring David Schofield as Ernest Shackleton, David Rodigan as Frank Wild

October 1908. McMurdo Sound, Antarctica. Forced by ice conditions to break an agreement with Scott, Shackleton has returned to Ross Island. From the expedition s base at Cape Royds an attempt to reach the South Pole is about to begin. The loss of ponies during the winter has severely limited their plans.

Cast in order of appearance:

Book (same title), £8.25 from booksellers

JOHN TUSA , PETER SNOW and DONALD MACCORMICK , With JOAN BAKEWELL and LINDA ALEXANDER , present the reports and interviews that matter with the analysis that counts.
Producers
PETER BELL , TONY HALL , DAVE STANFORD Directors
MIKE CATHERWOOD , JOHN WILKINSON Assignment editors
NICK GUTHRIE. JOHN MORRELL Deputy editor PAUL NORRIS Editor DAVID LLOYD

DAVID VINE introduces further ;overage from The Crucible Theatre, Sheffield.

12.10 am Topology: The Projective Plane The geometry of this plane is intriguing. For example, it twists back on itself - but you can't detect this without travelling past infinity.
12.35 Systems Organisation
Who Do You Think You're Talking To? Are you a ' parent' or a ' child ' when you talk to your boss or your subordinates? An examination Into role-playing in business.
1.0 Crustal and Mantle Processes
The Atlantic Ocean is imperceptibly growing by the upwelBng of volcanic rock. A look at three geologically different areas of growth and scientific exploration.