What happened when dozens of men from south-east Asia arrived unexpectedly by boat in a tiny WA town. Australia's warship fleet is set to be expanded in a multi-billion-dollar shakeup of the navy. Plus the jury is still out on the role psychedelics will play in the Australian health system.

A supply glut of nickel is squeezing Australia out of the market. Sarah Ferguson interviews former OpenAI board member Helen Toner. Plus journalist Mary Lloyd discovered she had two different types of breast cancer.