Around the world, a food crisis is looming. Global demand for crops is exceeding supply and even the most conservative estimates suggest that we will need to double food production over the next 50 years - still using the same amount of land and dwindling supplies of water. Many plant scientists believe genetic modification is the answer. Can GM Food Save the World? introduces Jimmy Doherty, pig farmer, environmentalist and former entomologist, who is on a mission to find out if GM can really save the world.
Imagine an alien with three hearts, blue blood and a doughnut-shaped brain. In an instant it could become invisible, or switch on electrifying light shows. Then imagine this bizarre creature was real, and somehow connected to us.
You certainly can't tell an Australian by the way they look, but the minute they open their mouths, the guessing is over. The cultural DNA in this country is in the sound of the way Australians speak. But why do we speak the way we do? And what exactly is the Australian accent? These and other issues are brought to the screen in The Sounds of Aus - the national conversation we had to have.
In this programme Sir David Attenborough looks into the future at the impact of climate change on both us and future generations. He also finds out what steps can be taken to save the planet from dramatic change, as the Climate Chaos series continues.
David Attenborough evaluates the use of levees to resist Hurricane Katrina, examines the changing risk of bushfires in Australia, and reviews ways to control carbon emissions.
Looks at the ways in which western science intersects with Aboriginal cosmology, leading us to a deeper understanding of the night sky.
The Great Ocean Road is a stretch of road stretching along 300 kilometres of coastline from Melbourne to Adelaide. We speak to a selection of locals.
On the final leg of his journey, Paul arrives in Shanghai, China's most dynamic and moneyed city. Paul's translator, Emma, takes him to The Children's Palace, a Chinese 'fame academy' before visiting People's Park, where hundreds of parents gather in an attempt to find a match for their unmarried children. Being a wealthy Westerner, Paul attracts a lot of interest. Despite his age being a little on the high side, the mum and granny of a young lady called Minnie, arrange a date for that afternoon.
Whale sharks may well be the biggest fish in the sea but very little is known about them. Whale Shark follows the whale sharks on a year-long journey to try to find out more.
Twenty years on from the massacre at Tiananmen Square, the two-part documentary, China's Capitalist Revolution attempts to answer why capitalism contributed heavily to the tragic events of that day.
Time gives rhythm to the world around us. But how do we really know what time it is? In What Time Is It?, Professor Brian Cox goes in search of the answer to a question we don't give the time of day to. From our historical dictator of time - the sun - to the world's irregular flutters and the physical definition of a second by an atomic clock, Brian discovers telling the time is a tricky business.
The team takes five fan favourites and focuses on a fascinating new facet for each. Adam and Jamie endeavour to launch a water heater rocket into space. Adam and Jamie take another look at the car cling stunt where a person tries to hang onto the roof or bonnet of a car while the driver tries to shake them off. Kari, Grant and Tory revisit the 'bend a bullet' myth, from Angelina Jolie's movie Wanted, check out the effectiveness of using liquid nitrate as a lock pick, and return to the busted-snow-plough-head-on-collision story.
A look at how vehicles will deteriorate without people, how America's automobile plants will shatter by harsh winters in Detroit, unattended oil refineries will explode, and a look at San Antonio and how long the Alamo will stand before it succumbs to a new invader. Also, animals adapt, armadillos spread, some dogs rekindle their hunting instincts, and long-horn cattle flourish once again. This episode also examines the Packard plant and the 60 square miles of Detroit which was abandoned 40 years ago.
As part of the Climate Watch season, scientists report from the front line of climate change around the world and bear witness to the extraordinary events of 2005 as they unfold - among them Hurricane Katrina.
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