A course in human biology.

Has man reached the end of the evolutionary road or is he capable of further progress? If man is continuing to evolve what are the forces shaping his future and what are the changes in him likely to be? Can he direct his own progress? These are some of the questions to be raised in the programme.
John Maynard Smith, University College, London
A BBC Educational broadcast
First transmission on March 23

Wir sprechen Deutsch
A course of thirty lessons for beginners.

Heidi and Dieter leave their hotel and return to Neustadt.
with Heidi Treutler, Dieter Geissler
Introduced by Sabine Michael, Paul Hansard.
A BBC Educational broadcast
First transmission on March 25

Public Service announcements.

(See panel and page 3)

Today's Timetable:
12.55 Professional Boxing
1.5 Preview of the F.A. Cup semi-finals
1.25 Moto-Cross
1.50 Racing
2.40 The Grand National: Runners and Riders
2.45 Paddock
3.15 The Grand National
3.35 Moto-Cross
4.40 Results
While it is hoped to keep to the above timings, they may be altered by events

12.45 to 5.15
Grand National Grandstand
Introduced from Aintree by David Coleman

BBC Outside Broadcasts with twenty cameras bring you the thrills of the world's greatest steeplechase
The Grand National
from 2.40
2.0 Liverpool Hurdle over 2 miles, 100 yards
2.30 Hylton Plate over 6 furlongs

Moto-Cross
The final round of the Grandstand Trophy from Isenhurst, near Heathfield, Sussex and the A-C.U.

Professional Boxing: Johnny Caldwell (holder) v. Alan Rudkin
A recording of this week's fight for the British and Empire Bantamweight Championship

At 4.55 Results Service including: Racing summaries Classified football results Rugby Union and Rugby League results

A new disc - a Hit or a Miss?
Comments and opinions on the latest pop releases.
This week's panel: Peter Carver, Roy Castle, Marlene Laird, Joan Turner
In the chair, David Jacobs

Margaret Lockwood at The Flying Swan
with Julia Lockwood
with Lana Morris
From the Midlands

Starring The Mitchell Minstrels
with John Boulter, Dai Francis, Tony Mercer
Also starring Leslie Crowther, Ken Morris and Joan Savage
and Benny Garcia, Margaret Savage, The Television Toppers

(The Black and White Minstrel Show is at the Victoria Palace, London, and at the Alhambra Theatre, Bradford)

by Sir Arthur Conan Doyle.
Dramatised by Giles Cooper.
[Starring] Douglas Wilmer as Sherlock Holmes, Nigel Stock as Dr. Watson

Why should anyone wish to smash all plaster busts of Napoleon? What at first appears to be the work of a madman soon takes on a more sinister note.

A kaleidoscopic portrait of Hollywood's fabulous past and exciting present.

A portrait of the man as well as the star. Humphrey Bogart soared to stardom in a succession of tough-guy roles and his unique and striking personality fascinated moviegoers for over two decades.

A film series.
Starring David Niven, Charles Boyer, Gig Young, Gladys Cooper, Robert Coote as The Rogues

This week's story: The Pigeons of Paris
As a favour to Inspector Briscoe, Marcel and Timmy risk their lives in investigating the murder of a Scotland Yard agent.

And a way of looking at the world One eye open wide; one eye closed; And between the two the picture gets composed

[Starring] David Frost
with Annie Ross, John Bird, Doug Fisher, Roy Hudd, Brian Murphy and visitors.

Introduced by Kenneth Wolstenholme.
Featuring Football - Racing - Rugby Union

The F.A. Cup Semi-Finals
Highlights of today's matches.

Chelsea v. Liverpool
played at Villa Park, Birmingham.

Manchester United v. Leeds United
played at Hillsborough, Sheffield.

The Grand National
A recording of the world's greatest steeplechase, run this afternoon at Aintree.

Rugby Union: France v. Wales
Highlights of this afternoon's International match in Paris.