The Nature of Things Season 3, Episode 21: Human Overpopulation

Episode 1

Series consultant Lister Sinclair is host on season's opener on which he explains how scientists approach their work and how The Nature of Things will present scientific items.

Brainwashing

British psychaitrist Dr William Sargeant discusses and illustrates various brainwashing techniques such as weakening of mind.

Tubes To Transistors

Hosts Dr Patterson Hume and Dr Donald Ivey of University of Toronto talk about electronics age brought about by vacuum tube and transistor.

From Water To Land

Palaeontologist Dr Alfred S. Romer of Harvard University explains evolution of lungs, legs, and a new kind of egg in aquatic creatures.

Chemistry Of Salt

Dr Fred H. Knelman of Montreal, talks about sources and chemistry of salt and industrial applications of salt and its components.

Ear Operation

Film of an ear operation from BBC series YOUR LIFE IN THEIR HANDS, with commentary by Dr Hugh Barber, Toronto ear specialist.

The Way The Ball Bounces

Professors Donald Ivey and Patterson Hume demonstrate principles behind bounce in a rubber ball.

Lie Detectors

This program examines autonomic nervous system, how it works, and what it can reveal.

Smoking And Lung Cancer

In cooperation with National Cancer Institute and Canadian Cancer Society, today's show explores results of years of lung-cancer research in Britain and North America.

Science Museum

To commemorate the Canadian Centennial in 1967 it has been proposed that Canada build a national museum of science. The program includes filmed demonstrations of how science and technology can be made meaningful to the general public.

Tornadoes

The Descent of Man

Recent fossil discoveries in Africa have shed new light on the ancestry and evolution of man. Guest Dr. L.S.B. Leakey, renowned British anthropologist and paleontologist, unearthed fossil remains in the Olduvai Gorge that have extended the time scale of human evolution from 500,000 to two million years or more. A deductive story in anthropology and paleontology is told as Dr. Leakey describes his finds and interprets their significance

Isaac Newton

Series consultant Lister Sinclair pays tribute to Sir Isaac Newton. The program attempts to capture the spirit of the time through the words of Newton himself and those of his contemporaries

New Atoms For Old

Car Crashes

What happens in a car crash - to car and to its occupants? What causes a crash?

Bird Migration

Fact & Fiction

Hosts Dr Donald Ivey and Dr Patterson Hume of University of Toronto, contrast observation to synthesis.

Code of Life

Dr Louis Siminovitch, Professor of Medical Biophysics at University of Toronto, discusses what is currently known about heredity.

The Chemistry Of Bread

Baking bread may be a familiar process, but it is by no means a simple one. A very great number of fundamental chemical actions are demonstrated in baking of one loaf of bread

The Infra-Red

Detection of heatwaves by Special infra-red receptors has many industrial, military and other uses.

Mars

Spiders

Hypnosis