The Royal Institution's Annual Christmas Lectures for young people. This season's lectures are given by Sir David Phillips , FRS, Professor of Molecular Biophysics in the University of Oxford and Biological Secretary of the Royal Society.
A series of six programmes 2: Machine Tools of Life
The chemical reactions that go on in living things are controlled by protein catalysts - from the digestion of food to the synthesis of rocket fuel by the jet-propelled bombardier beetle.