S7E1 - Just Another World
This episode of Horizon centers on the study of the moon rock samples brought back to the earth by the Apollo 11 flight to the moon.
Jan. 5, 1970, midnight
S7E2 - Henry Royce, Mechanic
Horizon investigates the history of the life and work of Sir Henry Royce, co-founder of the firm Rolls Royce Royce.
Jan. 12, 1970, midnight
S7E3 - A Disease of Our Time - Stress
This is the first part of a two-part episode on diseases afflicting people today. Horizon looks at the issue of stress on the body.
Jan. 19, 1970, midnight
S7E4 - A Disease of Our Time - Heart Attacks
This is the second part of a two-part episode on diseases afflicting people today. Horizon looks at the causes of coronary heart disease and modern techniques of treatment and cure.
Jan. 26, 1970, midnight
S7E5 - Sex and Sexuality
Horizon exams the current scientific research into human sexual behavior.
Feb. 2, 1970, midnight
S7E6 - Whose Coast?
In this episode, Horizon reports on how much of the sea coast around Britain is becoming polluted.
Feb. 16, 1970, midnight
S7E7 - A Much Wanted Child
This episode deals with the problems of infertility and showing the investigations being carried out.
Feb. 23, 1970, midnight
S7E8 - The Expert Witness
Sir Bernard Spilsbury, a forensic pathologist, talks about the role of the scientific witness in the criminal courts.
March 2, 1970, midnight
S7E9 - After the Iron Age
A look at some of the work carried out in Britain into the development of new materials for industry.
March 9, 1970, midnight
S7E10 - Let the Therapy Fit the Crime
This episode of Horizon looks at the question of the treatment of criminals in Britain.
March 16, 1970, midnight
S7E11 - The World Outside
Horizon reports on the Mental Health Service in Britain.
March 23, 1970, midnight
S7E12 - In the Beginning was the Word
This episode surrounds the two channels of human communication - verbal and non-verbal.
March 30, 1970, midnight
S7E13 - The Drifting of the Continents
A Horizon investigation into the research done in Britain and the USA to support the 'Continental Drift' theory.
April 13, 1970, midnight
S7E14 - A Case of Priority
This episode of Horizon looks at the National Health Service of Britain and the enormous demands that are imposed on it.
April 20, 1970, midnight
S7E15 - The Fretful Elements
This report by Horizon looks into meteorological research in Britain and America.
April 27, 1970, midnight
S7E16 - One Man's Meat
An investigation by Horizon reveals information about the use of artificial additives and preservatives in the manufacture of modern processed foods.
May 11, 1970, midnight
S7E17 - Only Skin Deep
On this episode of Horizon, the science behind the cosmetic industry and the social and psychological importance of beauty and fragrance is revealed.
July 6, 1970, midnight
S7E18 - Wolves and Wolfmen
This a a report by Horizon on the research in the USA and Canada into the habits of the wolf in its natural surroundings and in captivity.
July 13, 1970, midnight
S7E19 - A Measure of Uncertainty
Horizon explores the use and role of statistics in modern society and how they are needed for planning.
Aug. 10, 1970, midnight
S7E20 - The Manhunters
Horizon reveals new evidence found by archaeologists that have now traced our origins back to the extinct ape man of Africa.
Aug. 17, 1970, midnight
S7E21 - Don't Get Sick in America
In this episode, Horizon reports on how the TV series "Man and Science Today" compares the British National Health System with the private health system in the USA.
Aug. 24, 1970, midnight
S7E22 - Crown of Thorns
The population explosion of the Crown of Thorns starfish is investigated by Horizon.
Aug. 31, 1970, midnight
S7E23 - Noah's Ark in Kensington
Horizon brings you the history and modern day functions of the Natural History museum in Kensington, Britain.
Sept. 7, 1970, midnight
S7E24 - Virus
This is an episode on problems dealing with viral diseases such as measles.
Sept. 14, 1970, midnight
S7E25 - Water, Water
Horizon looks at the work of scientists as they unravel the problems of providing us with water.
Sept. 21, 1970, midnight
S7E26 - All Creatures Great and Small
In this story, Horizon investigates the issue of controversial animal experiments between anti-vivisectionists and scientists.
Sept. 28, 1970, midnight
S7E27 - A Child for a Lifetime
Horizon reports on the future of 30,000 children in Britain that are mentally retarded.
Oct. 5, 1970, midnight
S7E28 - Something for Our Children
Horizon reports on the work of the British Nature Conservancy and how scientists are trying to find out about nature.
Oct. 12, 1970, midnight
S7E29 - Million Ton Tanker
This episode of Horizon reports on the revolution in the size of oil tankers showing present and future planned methods of construction.
Nov. 2, 1970, midnight
S7E30 - The Insect War
Horizon looks at problems caused by the rapid reproduction rate of insects and their increasing resistance to pesticides.
Nov. 9, 1970, midnight
S7E31 - The Savage Mind
Horizon reports on Professor Claude Levi-Strauss who has been studying and analyzing the so-called primitive man for more than 30 years.
Nov. 16, 1970, midnight
S7E32 - Tanks
This episode of Horizon investigates the history of tanks in the last fifty years and the dominant role they have played in land warfare.
Nov. 23, 1970, midnight
S7E33 - Mind the Machine
In this story, Horizon investigates the artificial intelligence of computers by watching a chess game.
Nov. 30, 1970, midnight
S7E34 - Square Pegs
Horizon examines some of the techniques used by the boom industry of Management Selection.
Dec. 7, 1970, midnight
S7E35 - Earthquakes, The City that Waits to Die
Horizon investigates the work of geologists and seismologists trying to predict the date of the next great earthquake in San Francisco, California.
Dec. 14, 1970, midnight
S7E36 - The Man who Talks to Frogs
Horizon reports on some of the pure scientific research work carried out at the Smithsonian Tropical Research institute.
Dec. 21, 1970, midnight
S7E37 - The Gargantuan Triumph of Science
This episode by Horizon is a dramatized reconstruction from original transcripts of the inquiry into the Tay Bridge disaster.
Dec. 28, 1970, midnight