Aboriginal people stayed settled in places across Australia for 50,000 years until Europeans arrived, showing a strong connection with the land.
The extinction of the giant reptiles, marsupials and birds that once called Australia home has been the subject of much debate, including the role early Australians may have had on their fate.
New DNA research working with Indigenous Australians is answering many of the questions about when and where the First Australians emerged many thousands of years ago.
For the more modest aim of delivering steady, competent government – well, it's no wonder Malcolm Turnbull is raging.
Research first published in 2001 has been used to question of whether Aboriginal People were the First Australians. So why not re-test those results with improved techniques and equipment?