In “Turning to Stone: Discovering The subtle wisdom of rocks”, Dr Marcia Bjornerud brings us the fascinating story of how rocks and stones “speak” to us if we’re willing to listen. Rocks are alert, responsive and communicative, writes Dr Bjornerud. They tell us about our own past and how the Earth has evolved over centuries and millennia. What can a single crystal tell us about ancient tectonic shifts? Why are earthquakes so hard to predict? How is a day in the life of a geologist who is on the field? Do they have fun? How is technology changing geology? Tune in to know more.