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: 01 February 2012, on

The World's Weirdest Weather

TV weatherman Alex Beresford explores the mysteries behind some of the world's most bizarre weather [S] More on The World's Weirdest Weather

Last broadcast: Monday 27 May, 8PM on Channel 4

Food Unwrapped

Jimmy Doherty, Kate Quilton and Matt Tebbut present the food and science series that travels the world to lift the lid on what's really in the food we eat [S] More on Food Unwrapped

Last broadcast: Monday 17 June, 8.30PM on Channel 4

Human Swarm

Jimmy Doherty reveals new evidence demonstrating how people think and move like members of a herd [S] More on Human Swarm

Last broadcast: Thursday 30 May, 9PM on Channel 4

Inside Nature's Giants

The award-winning series that gets under the skin of the largest animals on the planet. Most wildlife documentaries show how animals behave, but by exploring their anatomy, Inside Nature's Giants reveals how these creatures really work. [S] More on Inside Nature's Giants

Last broadcast: 23 April 2012, on

Michael Johnson: Survival of the Fastest

Olympian Michael Johnson makes a personal genealogical and scientific journey to discover if African American and Caribbean athletes are successful as a result of slavery [S] More on Michael Johnson: Survival of the Fastest

Last broadcast: 05 July 2012, 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

Meteor Strike: Fireball from Space

What's the likelihood of Earth being struck by another meteorite like the one in Russia? And what can be done to protect our planet? [S] More on Meteor Strike: Fireball from Space

Last broadcast: Sunday 03 March, 8PM on Channel 4

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: 03 May 2012, on

How to Win the Grand National

Mark Evans examines what it takes to win the Grand National, drawing on new technology and analysis of horse anatomy to reveal the biological basis of success [S] More on How to Win the Grand National

Last broadcast: Friday 05 April, 8PM on Channel 4

How to Build a Bionic Man

A team of roboticists are creating the first ever complete bionic man. Where could this technology lead? [S] More on How to Build a Bionic Man

Last broadcast: Thursday 07 February, 9PM on Channel 4

Japan's Tsunami: How It Happened

The science behind the earthquake and tsunami that have devastated Japan [S] More on Japan's Tsunami: How It Happened

Last broadcast: 24 March 2011, on

The Year Britain Flooded

A look at why the floods of 2012 happened, and the personal stories of the people caught up in them [S] More on The Year Britain Flooded

Last broadcast: Tuesday 12 February, 9PM on Channel 4

Is Our Weather Getting Worse?

Droughts, violent storms and floods - has 2012 been a freak year or should we prepare for more extreme weather? [S] More on Is Our Weather Getting Worse?

Last broadcast: 11 December 2012, on

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

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

Spice Trip

A chef and a professional spice-blender travel the world to learn how to harness the true power of spices back at home [S] [AD] More on Spice Trip

Last broadcast: Sunday 30 December, 8PM on More4

Sex, Death and the Meaning of Life

Evolutionary biologist Richard Dawkins asks if science can provide answers to the big questions we used to entrust to religion [S] [AD] More on Sex, Death and the Meaning of Life

Last broadcast: 29 October 2012, on

Jimmy's Forest

High up in a spectacular tree house, Jimmy Doherty develops an intimate understanding of the inner workings of a British forest [S] More on Jimmy's Forest

Extinct

Of all the species that have ever existed, 99.9% are now extinct. This documentary brings to life the compelling stories of these lost creatures and solves the mystery of their demise. [S] More on Extinct

Genius of Britain

Britain's top scientific names tell the story of the British science and ingenuity that has been at the forefront of some of history's greatest advances [S] More on Genius of Britain

Home of the Future

A family learn to live with the technology - and the challenges - of the future [S] More on Home of the Future

Last broadcast: 11 March 2012, on

Force of Nature

Documentary series featuring true stories of men and women who suddenly found themselves face-to-face with the raw, ferocious power of the elements More on Force of Nature

Bear's Wild Weekends

Bear Grylls takes celebrities on exhilarating adventures well outside their comfort zones [S] More on Bear's Wild Weekends

Last broadcast: 01 January 2012, on

Brave New World with Stephen Hawking

Professor Stephen Hawking examines how science is striving for humankind's next leap forward [S] More on Brave New World with Stephen Hawking

Last broadcast: 21 November 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: 19 December 2011, on

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

Catastrophe

Tony Robinson presents this spectacular five-part series investigating the history of natural disasters, from the planet's beginnings to the present day [S] More on Catastrophe

Last broadcast: 22 December 2008, on

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

Britain's Worst Weather

Dr Nick Middleton of Oxford University investigates some of Britain's most extreme weather conditions, to find out how they are caused and why they are so dangerous More on Britain's Worst Weather

Man on Earth

Tony Robinson examines how changes in climate have affected humans throughout history and asks what we can learn as we face our own climate crisis today [S] More on Man on Earth

Last broadcast: 28 December 2009, on

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

Heavy Water

Commemorating the anniversary of the Chernobyl nuclear disaster, this documentary based on Mario Pertucci's poem tells the story of the people who dealt with the catastrophe at ground level More on Heavy Water

Death of the Megabeasts

An examination of the megafauna - huge Australian creatures including a giant wombat, a massive kangaroo and the earth's biggest flightless bird - and why they died out 60,000 years ago [S] More on Death of the Megabeasts

Last broadcast: 09 April 2011, on

Drain the Ocean

This innovative documentary combines scientific knowledge and CGI animation to reveal the diverse world below water [S] More on Drain the Ocean

Last broadcast: 05 March 2011, on

Bear Grylls

Adventurer Bear Grylls takes on extreme survival challenges in some of the world's most hostile and unforgiving environments, from the deserts of Namibia to the skies over Mount Everest [S] More on Bear Grylls

Last broadcast: 20 June 2009, on

Gordon Ramsay: Shark Bait

Gordon Ramsay embarks on a personal campaign against the brutal and destructive shark fishing industry More on Gordon Ramsay: Shark Bait

Last broadcast: 16 January 2011, on

Guns, Germs and Steel

Based on Jared Diamond's Pulitzer Prize-winning book, Guns, Germs and Steel traces humanity's journey over the last 13,000 years, from the dawn of farming to the realities of life in the 21st century More on Guns, Germs and Steel

Britain's Big Freeze

The start of 2010 has been one of the coldest winters in Britain for decades: why has this happened and is it a sign of more freezing winters to come? [S] More on Britain's Big Freeze

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

A Very British Storm Junkie

Cutting Edge documentary about an unassuming IT consultant who - in his alter ego of fanatical storm chaser - travels thousands of miles across the globe to witness at first hand the awesome power of nature [S] More on A Very British Storm Junkie

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

Haiti's Killer Quake: Why It Happened

A look at the huge earthquake that devastated Haiti on 12 January 2010, examining what happened and why, using 3D graphics and location footage to pick apart the mechanics of the quake [S] More on Haiti's Killer Quake: Why It Happened

In the Shadow of the Moon

In this unique documentary, crew members from every Apollo mission that flew to the moon are brought together for the first time to share their remarkable stories [S] More on In the Shadow of the Moon

Is It Better to Be Mixed Race?

This documentary from the Race: Science's Last Taboo season asks is it a biological advantage to have parents of different ethnic backgrounds? [S] More on Is It Better to Be Mixed Race?

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

Bleach, Nip, Tuck: The White Beauty Myth

Two documentaries from the Race: Science's Last Taboo season examine the growing trend for deracialisation surgery [S] More on Bleach, Nip, Tuck: The White Beauty Myth

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

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