Progress Films' The Golden Thread is a five part documentary series presented by Dr Hannah Fry, showcasing gold's impact on humanity’s past, present and future.
This trailer introduces the series which documents 10 leading thinkers from around the world whose work uses the metal - from clean-tech innovators using gold to convert carbon dioxide to biofuel, to nanotechnologists using gold to treat cancer, to NASA engineers reliance upon the metal in space instrumentation, the stories are varied and surprising.