The murder of French au-pair Sophie Lionnet by her employers made headlines all over the world. How could this happen? Family and friends reveal all.
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The election of President Jair Bolsonaro was made possible by support from three powerful groups - large landowners, evangelical clergy and the military.
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How has China progressed from a starving country at the beginning of the 21st century to having one of the highest obesity rates in the world?
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In Paraguay, children are dying after being exposed to pesticides on the soybean fields. Working with scientists, the Green Warriors team investigate.
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In the midst of the cold war, a KGB mole revealed information that ultimately led to the fall of the Eastern bloc to the CIA. We tell the story.
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Faced with an ever-growing demand for precious metals and dwindling extraction sites, the world's oceans are being seen as a new Eldorado. Thousands of shipwrecks litter the ocean floor with cargoes of these 'precious metals'.
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Avalanches can reach speeds of 30 km an hour, exerting a force ten times stronger than cyclones. How can they be predicted and their impact limited?
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Every year, 30 million bolts of lightning hit the earth. No zone is spared. So what is the best defence? And why are certain geographical areas increasingly affected?
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Combining ice cold temperatures, snow and extreme wind, this episode explores the destructive and unpredictable nature of blizzards.
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