S26E1 - The Book of Man
Horizon looks again at the Human Genome Project which aims to decipher or sequence all genes.
Jan. 9, 1989, midnight
S26E2 - The Poison that Waits
Horizon reports on the abnormally high incidence of and the early onset of diseases such as senile dementia and Parkinson's disease on the island of Guam in the Pacific. Scientists have now linked the diseases to a poison in the native cycad fruit.
Jan. 16, 1989, midnight
S26E3 - Perils of the Deep
In this episode, Horizon presents evidence that even diving in relatively shallow waters can cause serious long term damage to the brain and spinal cord.
Jan. 23, 1989, midnight
S26E4 - Smart Weapons
This documentary by Horizon demonstrates how smart Weapons use computers to destroy targets, that until now, were only able to be threatened by nuclear weapons.
Jan. 30, 1989, midnight
S26E5 - Wasting the Alps
Horizon looks at the damaging effects of pollution and tourism on the Swiss Alps in Europe.
Feb. 6, 1989, midnight
S26E6 - In the Last Resort
Horizon answers the question: What are the alternatives for the elderly in Britain who can't live at home, or in a rest home or nursing home, or part of a sheltered accommodation?
Feb. 13, 1989, midnight
S26E7 - Gaze in Wonder
Horizon brings you an interview with Prof. Eric Laithwaite who presents an engineer's personal view of nature and how new inventions already exist in nature.
Feb. 20, 1989, midnight
S26E8 - In My Lifetime?
In this episode, Horizon presents an investigation into the state of medical research in neurological disorders and the issues with its funding in Britain.
Feb. 27, 1989, midnight
S26E9 - Concerto
This documentary by Horizon investigates new technology applied to music.
March 6, 1989, midnight
S26E10 - Black Schizophrenia
Horizon covers the story of the Nottingham psychiatrists who study the human race to see who is mostly likely to develop schizophrenia.
March 13, 1989, midnight
S26E11 - Trial in the Jungle
This Horizon report covers the Tasaday, a remote Philippine tribe apparently living in the stone age, who are now seen as a hoax. How did they do it?
March 20, 1989, midnight
S26E12 - Who Will Make Me Better?
Horizon explores three types of alternative medicine; homoeopathy, acupuncture, and diagnosing food allergies by testing your toes.
April 3, 1989, midnight
S26E13 - A Wonderful Life
Horizon presents a biography of the philosopher Ludwig Wittgenstein who lived from 1889 to 1951.
April 17, 1989, midnight
S26E14 - Why Buildings Make You Sick
This is a Horizon documentary about an investigation into the so-called "sick building syndrome" where occupants contract illnesses because of the environment within the building.
April 24, 1989, midnight
S26E15 - Jubilee
How valid have been Horizon's criticisms of scientific orthodoxy and to what effect have the programs had?
May 8, 1989, midnight
S26E16 - Crash
Horizon investigates how many of the tragedies on our roads in Britain could be avoided by the introduction of technical and legislative changes.
May 15, 1989, midnight
S26E17 - The New Sixth Sense
Horizon follows J. Hooper, a diabetic, as she explores various aspects of biosensor technology.
May 22, 1989, midnight
S26E18 - Clive Sinclair: The Anatomy of an Inventor
Horizon presents a profile of noted inventor Clive Sinclair with his family and colleagues reminiscing and analysing his successes and failures.
June 12, 1989, midnight
S26E19 - Newpin: A Lifetime
In this story, Horizon explores how the destructive patterns of child abuse and depression can be broken by concentrating on the mothers of young children.
June 19, 1989, midnight
S26E20 - Time of Darkness
In this Horizon episode, we look at the effects on the climate from volcanic eruptions.
June 26, 1989, midnight