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Last broadcast: Sunday 27 June, 5.25PM on Channel 4
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.
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Next on: Wednesday 08 September, 9PM on More4
Richard Dawkins presents the ultimate three-part guide to Charles Darwin and his masterpiece, On the Origin of Species
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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
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Last broadcast: Wednesday 01 September, 9PM on More4
Professor Richard Dawkins confronts the epidemic of irrational, superstitious thinking with logic, observation and evidence - in other words, through reason
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Last broadcast: Thursday 03 June, 9PM on Channel 4
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
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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
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Last broadcast: Tuesday 22 June, 9PM on Channel 4
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.
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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
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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.
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The Great Sperm Race tells the story of human conception as it's never been told before. With 250 million competitors, it is the most extreme race on earth and there can only be one winner.
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Last broadcast: Monday 10 May, 3.05AM on More4
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
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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
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In this remarkable documentary, Ed Wardle is dropped into the unforgiving Yukon wilderness with just basic provisions and cameras to film himself as he attempts to survive completely alone in the wild
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This film about the plight of honeybees focuses on three American apiarists whose colonies are destroyed by unknown forces
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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
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This documentary from the Race: Science's Last Taboo season asks is it a biological advantage to have parents of different ethnic backgrounds?
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Eco-campaigner Tracy Worcester investigates the intensive pig farming industry, arguing that it harms both human and environmental health
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Two documentaries from the Race: Science's Last Taboo season examine the growing trend for deracialisation surgery
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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?
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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
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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
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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.
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Tony Robinson presents this spectacular five-part series investigating the history of natural disasters, from the planet's beginnings to the present day
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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
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This programme from the Race: Science's Last Taboo season, asks are we all more racist than we realise or would like to admit?