A study of heredity in man, showing how both good and bad characteristics are passed on from one generation to the next.
Few sights are more impressive than a working windmill, and there are plenty in this tribute to the sailed giants.
This film probes the perennial miracle of the growth of a seedling, the seasonal upsurge of life in a forest giant, and the mysterious alchemy of a single leaf. Presented in magnified dimension through time-lapse photography and animated diagrams, a maple leaf and segments of a tree serve to illustrate the physiological processes that go on in all plants.
