Is the Coronavirus crisis our chance to rethink the aviation industry? How can we combine environmental protection and our need for mobility? Do we need new aircraft and new aviation fuels – or should we simply fly less?
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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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Imported plant and animal species are fighting with our own native species for the same resources. What does this mean for our future?
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We look at some of the most promising biotechnological products being developed, and explore some of the potential dangers.
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Careless overprescription has led to the emergence of antibiotic-resistant bacteria. While research into new antibiotics is limited. What next?
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