Horizon — Season 30

Aired 4 January 1993 • 60 min

Horizons presents a report on a daring Swedish operation that transplants foetal tissue into the brains of Parkinson's disease sufferers.

Aired 11 January 1993 • 60 min

Horizon investigates the current benefits and disadvantages of Hormone Replacement Therapy (HRT).

Aired 18 January 1993 • 60 min

This Horizon episode is about the new and terrible threat from tuberculosis which kills more people than any other infection.

Aired 25 January 1993 • 60 min

This is the first part of a two-part Horizon series presenting a portrait of Richard Feynman, the American Nobel Prize winning physicist.

Aired 1 February 1993 • 60 min

This is the second part of a two-part Horizon series presenting a portrait of Richard Feynman, the American Nobel Prize winning physicist.

Aired 8 February 1993 • 60 min

This Horizon episode attempts to answer the question if it will be possible to 'terraform' Mars by creating a new atmosphere, and then adding water and plants to make the planet habitable.

Aired 15 February 1993 • 60 min

Horizon investigates how market research, opinion polls, TV ratings, and consumer surveys have got it disastrously wrong. Commercial decisions depend increasingly on this information, but just how good is that information?

Aired 22 February 1993 • 60 min

This Horizon documentary looks at how the ancient Egyptians built the pyramids without the use of the wheel, ramps, or levers.

Aired 1 March 1993 • 60 min

This documentary by Horizon looks at how the Hubble space telescope is uncovering evidence of black holes in our distant galaxies.

Aired 8 March 1993 • 60 min

This is a Horizon update to the story of the Stone Age man found frozen in an Alpine glacier in 1991.

Aired 15 March 1993 • 60 min

Horizon shows how American scientists struggled to fulfil the dreams which challenged fundamental scientific laws.

Aired 22 March 1993 • 60 min

In this episode, Horizon examines the latest scientific evidence about the Dead Sea Scrolls.

Aired 29 March 1993 • 60 min

Horizon presents the story of a robot named Dante, who goes into an active volcano in Antarctica to find out if volcanoes contribute to the ozone hole in our atmosphere.

Aired 5 April 1993 • 60 min

Follows a team of archaeologists led by Michael Novacek as they try to retrace the steps of an expedition launched by the American Museum of Natural History in the 1920's. The original expedition sought the origins of humanity but instead came across a virtual graveyard of the dinosaurs.

Aired 19 April 1993 • 60 min

Horizon reports on scientists who are planning smart aircraft wings and smart buildings that can sense earthquakes.

Aired 10 May 1993 • 60 min

In this episode, Horizon examines Asthma, the illness that is the most common condition of the developed world.

Aired 24 May 1993 • 60 min

Horizon looks at causes of violence and asks psychologists to interview men and boys with a record of violence.

Aired 7 June 1993 • 60 min

In this story, Horizon explores the endless stream of digital information available on demand to the public, but do we need, or even want it?

Aired 14 June 1993 • 60 min

Horizon describes how researchers discovered that a lethal gas, called nitric oxide, was behind some of the most basic functions of our bodies.

Aired 21 June 1993 • 60 min

This documentary by Horizon looks back into the 1980's where the work of pioneer researchers trying to determine if chimpanzees could understand language was attacked as charlatanism. Now the public opinion has moved back in favour of the idea that apes can indeed talk to us. The program looks at the latest developments in the chimpanzee language laboratories in America.

Aired 28 June 1993 • 60 min

Horizon investigates how life began on Earth. Did it evolve on land surfaces on Earth, in the sea, or in space?