What science issues did Australia's first newspaper - edited by a convict - discuss in its letter pages? The same ones we talk about today: the environment, education and health.
The discovery of battered old boots, tattered garments, trinkets and dead cats concealed in the walls of historic buildings sheds new light on the lives of Australia's early white settlers.
The First Fleet had three layovers on its voyage to Australia – one was Rio de Janeiro. As Australia and Brazil celebrate 70 years of diplomatic relations, it's worth remembering this encounter.
Today, a convict ancestor is a matter of pride. But for past generations, including some convicts themselves, it was a shame that had to be hidden at all costs.