The last five years have seen rapid developments in camera technology. The result is a wealth of new footage capturing incredible natural phenomena, up close and in stunning detail. This rich seam of filmed material has become an invaluable resource for scientists, pushing their research into uncharted territory. Dangerous Earth delves into this fantastic bank of footage to uncover the latest scientific advances, with each episode focusing on a different subject – volcanoes, auroras, avalanches, icebergs, hurricanes and lightning. Back in the studio, some of the world's top scientists conduct intriguing experiments and unpack the findings from this spectacular visual database, bringing the science to life in an entertaining and accessible way. Dr Helen Czerski looks at the latest scientific insight into the aurora - dancing lights in the night sky that have fascinated cultures throughout our history. From the networks of cameras now capturing its vast scale, to novel experiments that probe the threat it poses to modern technology, Helen reveals the dramatic transformation in our understanding of the aurora, and the many mysteries that remain to be solved.