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Dangerous Earth Episodes

  1. Iceberg

    6/6 Dr Helen Czerski reveals the latest scientific insights into icebergs. (R)

  2. Tornado

    5/6 Helen Czerski finds out how advances in technology are giving new insight into tornadoes.

  3. Aurora

    4/6 The latest scientific insight into the dancing lights in the night sky known as aurora.

  4. Lightning

    3/6 Dr Helen Czerski examines the hottest natural phenomenon on the planet - lightning.

  5. Volcano

    2/6 Dr Helen Czerski looks at the anatomy of a volcano.

  6. Avalanche

    1/6 Examining the anatomy of an avalanche, including eyewitness footage from within one.