Master of the Universe

Twenty years after A Brief History of Time became an unlikely global bestseller, Professor Stephen Hawking takes viewers on a journey through the universe to explore the mysteries of physics More on Master of the Universe

Nuclear Eternity

Nuclear waste remains hazardous to human life for at least 100,000 years. A huge bunker is being built in Finland to store some of it. This True Stories film examines the consequences. More on Nuclear Eternity

Last broadcast: 26 April 2011, on

The Operation: Surgery Live

Starting on 25th May, for four consecutive nights, surgeons will carry out life-changing operations in front of a studio audience live on Channel 4, answering YOUR questions as they work More on The Operation: Surgery Live

Last broadcast: 27 May 2009, on

Painting the Mind

When builder Tommy McHugh and chiropractor Jon Sarkin suffered massive brain traumas, they suddenly revealed a previously hidden talent: to create art that amazed critics and collectors More on Painting the Mind

Pig Business

Eco-campaigner Tracy Worcester investigates the intensive pig farming industry, arguing that it harms both human and environmental health More on Pig Business

Last broadcast: 30 June 2009, on

Race and Intelligence: Science's Last Taboo

In this documentary from the Race: Science's Last Taboo season, Rageh Omaar explodes myths about race and IQ and reveals what he thinks are important lessons for society [S] More on Race and Intelligence: Science's Last Taboo

Scrapheap Challenge

Teams compete each week to construct a junk machine, using only what they can scavenge from the scrapheap. Every series builds to a final contest - and the crowning of a champion team. [S] More on Scrapheap Challenge

Last broadcast: Wednesday 01 February, 5AM on Channel 4

Scrapheap Challenge: The Scrappy Races

Teams of scrap-happy bodgers build madcap vehicles, using parts scavenged from the Scrapheap, to drive across some of the wildest terrain in the UK More on Scrapheap Challenge: The Scrappy Races

Snowstorm: Britain's Big Freeze

In the first weeks of February 2009, Britain suffered its worst snow falls in 18 years. This film explores the possible factors behind the highly unusual weather. [S] More on Snowstorm: Britain's Big Freeze

Speed Machines

This innovative series tells the story of eight battles to design and build the fastest cars, ships, planes, boats and trains More on Speed Machines

Stephen Hawking's Universe

Professor Stephen Hawking answers some of the biggest questions in science, from the awe-inspiring energy of the Big Bang through to the end of time itself [S] More on Stephen Hawking's Universe

Last broadcast: 02 October 2010, on

Timesigns

Time Team's Mick Aston turns archaeological detective to reveal the hidden stories of ancient landscapes More on Timesigns

Tsunami: Caught on Camera

The moving true story of the 2004 Boxing Day Tsunami told through the experiences of those who were actually there [S] More on Tsunami: Caught on Camera

Last broadcast: 30 December 2009, on

UFOs: The Secret Evidence

Is the truth really out there? Defence journalist Nick Cook investigates the best UFO stories and asks what can be explained away by science - and what defies any rational explanation. [S] More on UFOs: The Secret Evidence

Up in Smoke

A British scientist is attempting to convince farmers and the authorities to adopt his revolutionary alternative to slash-and-burn farming [S] More on Up in Smoke

Last broadcast: 27 September 2011, on

The Volcano That Stopped Britain

The geological and scientific background to the Icelandic volcano that caused major air travel disruption and the closure of airspace across Europe for six days More on The Volcano That Stopped Britain

Waking the Baby Mammoth

Documentary following a team of experts as they investigate the carcass of a one-month-old baby mammoth who lived around 40,000 years ago in the hope of discovering more about the creature's life [S] More on Waking the Baby Mammoth

What Makes Us Human?

Evolutionary scientist Dr Armand Leroi explores how and why we became human, but instead of looking for clues in ancient fossils, he seeks out the oddities and mutations around us More on What Makes Us Human?

What the Green Movement Got Wrong

A group of environmentalists are challenging the movement they helped to create. These life-long diehard greens advocate radical solutions to climate change, including GM crops and nuclear energy. [S] More on What the Green Movement Got Wrong

Last broadcast: 04 November 2010, on

Who Killed the Electric Car?

Chris Paine's True Stories documentary investigates the quiet destruction in the obscurity of the Arizona desert of thousands of new, radically efficient electric vehicles More on Who Killed the Electric Car?

The World's Largest Snake

An examination of the 48-foot-long titanoboa and how its discovery affects our understanding of prehistory [S] More on The World's Largest Snake

Last broadcast: Thursday 03 May, 8PM on Channel 4

The Year Britain Froze

December 2010 was the coldest in Britain since records began. This film tells the story of the extreme weather of 2010, and explores the science behind why Britain came to a frozen halt. [S] More on The Year Britain Froze

Last broadcast: 18 January 2011, on

The Year the Earth Went Wild

2011 has been a year of epic-scale climate and geological events across the world. This film looks back on a year of natural disasters, all caught on camera in spectacular fashion. [S] More on The Year the Earth Went Wild

Last broadcast: Monday 19 December, 8PM on Channel 4