A review of the sciences.
Introduced by Colin Riach.

Special Senses
What sort of person can invent a 3-D microscope, a new way of photographing the moon, publish fifty papers on perception, and spend three weeks hunting for a minute sea creature to see how its eyes work? Cambridge psychologist Richard Gregory is a man of many facets. Tonight's film examines his inventiveness - its sources and its products.

Toil, Sweat, and Tears
Enzymes are the key to life processes - how do they work? An M.R.C. team at the Royal Institution, headed by Dr. D.C. Phillips, has taken the first step towards answering this vital question.