Episode guide

Horizon: 2003

19 episodes · first aired Jan 9, 2003

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1 The Mystery Of Easter Island Jan 9, 2003 · 1h On Easter Day 1722, Dutch explorers landed on Easter Island. A civilisation isolated by 4,000km of Pacific Ocean was about to meet the outside world for the first time in centuries. The…
2 Living Nightmare Jan 16, 2003 · 1h Sleeping is an essential part of everyone's life yet it remains little understood is barely understood. You might think it's a relaxing recharge but in fact your brain is working harder at…
3 Averting Armageddon Jan 23, 2003 · 1h The Earth is under constant bombardment. Each year, many fragments of debris hit our planet. Fortunately for us, most are so small that they burn up harmlessly in the atmosphere. However…
4 Dirty Bomb Jan 30, 2003 · 1h A dirty bomb is a radiological weapon but unlike a nuclear bomb, its purpose is to contaminate rather than destroy. It uses normal explosives to disperse radioactive materials in the local…
5 Sexual Chemistry (Update) Feb 13, 2003 · 1h The drug Viagra revolutionised the treatment of sexual dysfunction in men on its launch five years ago. An accidental discovery, the tablet that gave impotent men the chance once more to…
6 The Day We Learned To Think Feb 20, 2003 · 1h Understanding of humans' earliest past often comes from studying fossils. They tell us much of what we know about the people who lived before us. There is one thing fossils cannot tell us…
7 Trial and Error Feb 27, 2003 · 1h It was the simplest idea but one with enormous potential. If a gene is defective in the human body, just replace it with one that works properly. Gene therapy would mean that genetic…
8 Earthquake Storms Mar 6, 2003 · 1h Earthquakes are among the most devastating natural disasters on the planet. In the last hundred years they have claimed the lives of over one million people. Earthquakes are destructive…
9 Life On Mars (Update) Mar 27, 2003 · 1h Are we alone in the Universe? Or are there aliens somewhere in space? New evidence suggests not only might other life-forms be out there, they may even be living on the planet right next…
10 The Secret Life Of Caves Apr 3, 2003 · 1h Set against the back drop of awe inspiring geological beauty, a strange scientific adventure sets out to discover how a mineral clad cave network - the height of a 30 storey building and…
11 God On The Brain Apr 17, 2003 · 1h Rudi Affolter and Gwen Tighe have both experienced strong religious visions. He is an atheist; she a Christian. He thought he had died; she thought she had given birth to Jesus. Both have…
12 Flight 587 May 8, 2003 · 1h 265 people died when an Airbus operated by American Airlines crashed into the New York suburb of Queens in November 2001. The twin-engined jet took off from John F Kennedy Airport in fine…
13 SARS: The True Story May 29, 2003 · 1h Severe Acute Respiratory Syndrome didn't even have its name in February 2003, when it struck its first known victim, Johnny Cheng, in Hanoi, Vietnam. Within days, an international effort…
14 The Big Chill Nov 13, 2003 · 1h Remember that long, hot summer? You might never see its like again. And all that talk of global warming? Forget it. This season's first Horizon reveals that a growing number of experts…
15 The Bible Code Nov 20, 2003 · 1h This week Horizon investigates the science behind the Bible Code. What he can see is truly horrific; according to Drosnin, the world could end in an atomic holocaust - in 2006. It sounds…
16 Last Flight of the Columbia Nov 27, 2003 · 1h Mixing powerful and deeply moving footage with telling forensic analysis, Horizon reveals what really went wrong on the Space Shuttle Columbia. The film's final revelation is telling. If…
17 The Hunt for an AIDS Vaccine Dec 4, 2003 · 1h Horizon tells the microbiological detective story in which some of the best brains in science have been pitted against the most extraordinary bug the world has ever seen. In 1984 it was…
18 Percy Pilcher's Flying Machine Dec 11, 2003 · 1h Could an unknown Englishman have been the first person ever to fly? To mark the hundredth anniversary of the Wright brothers inaugural flight, Horizon tells the remarkable story of Percy…
19 Time Trip Dec 18, 2003 · 1h Horizon's Time Trip is a thrilling journey deep into the strangeness of cutting-edge physics - a place where beautiful, baffling ideas are sometimes indistinguishable from the utterly…