Scientist and broadcaster William Whitehead and Dr WE Swinton, Director of Royal Ontario Museum discuss how size differences in animal kingdom are result of their environment and their habits.

Universal standards of measurements are explained in laymen's terms by Dr Patterson Hume and Dr Donald Ivey of University of Toronto.

Centuries ago, people in warmer parts of earth believed a dread disease was contracted from unhealthy air generated in swamps.

This program shows surgical techniques used in a new treatment for Parkinson's Disease.

Host Lister Sinclair and guest Lloyd Percival, sports authority, discuss and demonstrate how various sporting activities can now be precisely measured and how they can thus be improved.

Dr Patterson Hume and Dr Donald Ivey explain recent developments of laser beam since 1960, how it works, and its potential uses in medicine, war and communications.

Man still carries around in him an isolated pool of early Palaeozoic ocean that fed his plankton ancestors.

Host and writer Lister Sinclair talks about map projection, and problems of taking a spherical object, earth.

In this program Donald Crowdis, Director of Nova Scotia Museum of Science, talks about water.

In this program Donald Crowdis, Director of Nova Scotia Museum of Science, talks about transplants and new study of immunology.