P172 CEEFAX 172 Sat 16 Apr 17:22/40 1/4 SATURDAY 6.25 OPEN UNIVERSITY Frequency — The Market — Statistics — Education — Calculus — Magic In Art — Invention Not Enough — Work — The Mindful Way — Complex Functions — Infant Cognition — Perception — Cloisters — Castle ot Cage? — Comparing Cultures — Completeness — Computing — Genes — Psychology — Modern Art 3.10 FILM: THE DIVIDED HEART Central European tug-of-love tale starring Cornell Botchers and Yvonne Mitchell see 175 More in a moment...P172 CEEFAX 172 Sat 16 Apr 17:21/41 2/4 SATURDAY 4.35 BADMINTON HORSE TRIALS Two four-time winners of this top three-day event renew their rivalry: Lucinda Green and Mark Phillips. 5.30 THE SKY AT NIGHT Patrick Moore talks to Astronomer Royal Professor Graham Smith about the Quickest Pulsar, which bangs out radio flashes 600 times a second. 5.50 GRAND SLAM The British team defends a very narrow lead, won from the Americans last week. More in a moment.........P172 CEEFAX 172 Sat 16 Apr 17:22/10 3/4 SATURDAY 6.15 STATES OF MIND Jonathan Millet talks to a psychologist with a new approach to understanding people's emotions 7.05 NEWS AND SPORT Wjathjt with Jan Ljeming. 7.20 WORLD SNOOKER First day of the world championships from Sheffield. 8.05 ALFRED BRENDEL MASTERCLASS Beethoven's "Tempest" sonata. 8.50 ROGER DOESN'T LIVE HERE ANY MORE Part two of the comedy series on divorce bz John Fortune. CEEFAX subtitles on 270 Later programmer in a moment.....P172 CEEFAX 172 Sat 16 Apr 17:20/11 4/4 SATURDAY z%oz* |4 9.20 WORLD SNOOKER First round contestants including Hurricane Higgins and John Spencer 9.55 FILM INTERNATIONAL: THREE BROTHERS The death of their mother brings the trio back to the primitive southern farm they lift to go their separate ways. see 175 11.40 NEWS ON TWO Weather with Jan Leeming 11.45-12.50am WORLD SNOOKER more from Sheffield, introduced bz David Vine. Early programmer follow...