Under the sea: The new tech Eldorado
From over-fishing to plastic waste, oil spills and raw sewage dumping, human activities have been altering ocean ecosystems for decades. But scientists and activists are also finding solutions to help save the seas. In this edition, we speak to Emily Penn, an award-winning British skipper who's tirelessly sailing the world's oceans to tackle plastic pollution. Plus, we try the Bose frames. These shades with built-in speakers offer an immersive audio experience unlike any other.