Season 13

1972-11-06

The Lacandons, last surviving descendants of Mayas, live in rain forest of southern Mexico.

1972-11-20

Examines male and female roles in society and presents a scientific study of the known biological facts about sex differences in humans.

1972-11-27

This program looks at hormonal changes during puberty, and the socially originated attitudes leading to differences between the sexes.

1972-12-04

An exploration of the traditional art of healing as practiced in China.

1973-03-05

A look at the eating habits of Canadians; food and nutrition, the so-called "Well-balanced diet" and problems of overeating are analyzed in this examination of the dangers of abundance

1973-03-12

A retrospective look at the summer 1972 World Conference on the Human Environment.

1973-03-19

The Nature of Things presents Cities Are For People, originally scheduled for February 19. It deals with new thinking in urban planning to make cities more livable.

1973-03-26

A look at the migratory habits of birds and animals, with recent findings in animal studies reinforced with fascinating film footage of many species in their natural habitats.

1973-04-02

This half-hour film depicts obvious absurdities, in a subjective interpretation of The Limits to Growth, a 1970 MIT computer study forecasting economic, social and political collapse by no later than 2020.

1973-04-09

A comprehensive examination of the form of pollution fast becoming public enemy number one in North America: garbage.