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- A geologist employed by an Australian mining company finds himself disputing the rights of some aborigines who believe their land to be sacred.
- Scientists strive to understand what caused the devasting tornado outbreak of April 2011. Could their research improve future tornado prediction?
- Helen examines the hottest natural phenomenon on Earth - lightning. She explains how specialist photography is revealing how lightning travels through the air and high-speed cameras are showing upward lightning.
- Helen looks into some of the latest scientific insights into the aurora, from networks of cameras capturing its vast scale to experiments that test the threat that it poses to modern technology.
- Dr Helen Czerski peers into the heart of the storm, looking at the fastest winds on the planet - tornadoes. Helen discovers how studying the subtle changes within the storm can improve predicting when and where they will strike.