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1993
1993x1
Awakening the Frozen Addicts
Episode overview
Horizons presents a report on a daring Swedish operation that transplants foetal tissue into the brains of Parkinson's disease sufferers.
1993x2
Cheating Time
Episode overview
Horizon investigates the current benefits and disadvantages of Hormone Replacement Therapy (HRT).
1993x3
TB - The Forgotten Plague
Episode overview
This Horizon episode is about the new and terrible threat from tuberculosis which kills more people than any other infection.
1993x4
No Ordinary Genius (1)
Episode overview
This is the first part of a two-part Horizon series presenting a portrait of Richard Feynman, the American Nobel Prize winning physicist.
1993x5
No Ordinary Genius (2)
Episode overview
This is the second part of a two-part Horizon series presenting a portrait of Richard Feynman, the American Nobel Prize winning physicist.
1993x6
Mars Alive
Episode overview
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.
1993x7
Suggers, Fruggers and Data-Muggers
Episode overview
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?
1993x8
The Pyramid Builders
Episode overview
This Horizon documentary looks at how the ancient Egyptians built the pyramids without the use of the wheel, ramps, or levers.
1993x9
Here Be Monsters
Episode overview
This documentary by Horizon looks at how the Hubble space telescope is uncovering evidence of black holes in our distant galaxies.
1993x10
Iceman (Update)
Episode overview
This is a Horizon update to the story of the Stone Age man found frozen in an Alpine glacier in 1991.
1993x11
Whatever Happened to Star Wars
Episode overview
Horizon shows how American scientists struggled to fulfil the dreams which challenged fundamental scientific laws.
1993x12
Resurrecting the Dead Sea Scrolls
Episode overview
In this episode, Horizon examines the latest scientific evidence about the Dead Sea Scrolls.
1993x13
Dante Goes to Hell
Episode overview
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.
1993x14
Ghosts in the Dinosaur Graveyard
Episode overview
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 .. show full overview
1993x15
The New Alchemists
Episode overview
Horizon reports on scientists who are planning smart aircraft wings and smart buildings that can sense earthquakes.
1993x16
Allergic to the 20th Century
Episode overview
In this episode, Horizon examines Asthma, the illness that is the most common condition of the developed world.
1993x17
Wot U Looking At?
Episode overview
Horizon looks at causes of violence and asks psychologists to interview men and boys with a record of violence.
1993x18
The Electronic Frontier
Episode overview
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?
1993x19
A Vital Poison
Episode overview
Horizon describes how researchers discovered that a lethal gas, called nitric oxide, was behind some of the most basic functions of our bodies.
1993x20
Chimp Talk
Episode overview
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. .. show full overview
1993x21
Life is Impossible
Episode overview
Horizon investigates how life began on Earth. Did it evolve on land surfaces on Earth, in the sea, or in space?

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