01:03:00
Fire and ice: What makes volcanoes dangerous?
Some volcanoes are gentle, others inconvenient, and others still, deadly. What makes volcanic eruptions explosive? What happens when volcanoes are covered in ice, as in Iceland or Chile - and what happens when the ice melts? Dr Hugh Tuffen has visi....
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00:13:00
Journey to Etna
Clive Oppenheimer, a vulcanologist working on the latest techniques to monitor and predict volcanic eruptions, demonstrates his work at Mount Etna, an active volcano in Sicily.nVolcanic eruptions pose a real threat to communities living nearby, and a....
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