𝘈𝘳𝘦 𝘸𝘦 𝘣𝘦𝘪𝘯𝘨 𝘨𝘰𝘰𝘥 𝘢𝘯𝘤𝘦𝘴𝘵𝘰𝘳𝘴? A journey through deep time with Prof Robert Macfarlane