Reader Chris in Fairfax asks: As people approach retirement, they get hit with a lot of targeted ads and sponsored content talking about the "magic number" for retirement, and as you point out, it's ...

Documentary series. Dr Hannah Fry travels down the fastest zip wire in the world to learn more about Newton's ideas on gravity. Dr Hannah Fry explores a paradox at the heart of modern maths, and what ...

Meet the full cast and crew of Magic Numbers: Hannah Fry's Mysterious World of Maths including actors, directors, producers, and more.