Today's story is 'Tick and Tock' by Marion Green
The Royal Institution, London Annual Christmas Lectures to Young People
by Professor George Porter
As we study the tiny world of atoms and single-celled animals we discover chemical and biological changes which occur in less than a millionth of a second. We operate some of the Royal Institution's new 'Time Machines' which, using lasers, can see substances living for only a thousandth of a millionth of a second.
(Sixth lecture: Friday, 6.30 pm)
Reporting the world tonight
John Timpson and Peter Woodswith Martin Bell, Michael Blakey, Michael Clayton, Tom Mangold, Michael Sullivan,
David Tindall, Richard Whitmore and the correspondents, at home and abroad, of BBC News
and Weather
A duel of words and wit between Leslie Phillips, Drusilla Beyfus, Andrew Cruickshank and Jennifer Clulow, Fyfe Robertson, Vivienne Martin
Referee, Robert Robinson
The news and the men behind the news in the world of money
Introduced by Brian Widlake, Alan Watson, John Tusa, Peter Ross
Each Thursday one of the Line-Up team makes a personal choice
Tonight: Sheridan Morley talks to Robin Maugham, novelist and playwright, whose most recent play is Enemy.