Season opener: The Nature of Things looks at discovery of insulin by Dr Frederick Banting and Dr Charles Best and deals with current Canadian research into diabetes.
Chances of recovery by a cancer patient in Canada are examined. Guests: Dr James Till, Toronto's Princess Margaret Hospital, and Dr Robert Taylor of National Cancer Institute.
The life history of seal, currently object of great spring seal hunt; physiology and behavior of this unusual Arctic animal, plus an examination of its 8,000-mile migration from Hudson Strait to Gulf of St.
Documentary look at Yanomami, a fast-vanishing Indian tribe inhabiting tropical rainforest of Upper Orinoco River in southeastern Venezuela and Northern Brazil.