Sunday Extra - Separate stories podcast

We speak with author and illustrator Sami Bayly to discuss the most fascinating, extinct and critically endangered animals in the natural world. 

We speak with author and illustrator Sami Bayly to discuss the most fascinating, extinct and critically endangered animals in the natural world. 

Two major figures underpin our understanding of randomised clinical trials for the testing of new medicines: Thomas Bayes and Doug Altman.

Former Chief of Defence of the Netherlands, Tom Middendorp - AKA The Climate General - believes climate change is worsening global security issues. 

For many years, the United States was the only country that could bring constructive pressure to bear on both Israel and Arab states for peace. 

Can you guess this month's croaker?

John Silvester is one of Australia's best known crime reporters. He writes the Naked City column at The Age and hosts a podcast of the same name.

From a record-breaking wing-suit jump to hot air balloons in Myanmar and a young jet pilot, author Kathy Mexted tells the stories of Australian women who have taken to the skies in all sorts of different ways.

The long-held theory that the inhabitants of Rapa Nui (Easter Island) committed 'ecological suicide' has been debunked through genetic testing. 

A rare copy of the United States Constitution has been found in the U.S. An original ratification copy of the document from 237 years ago was discovered at a property in North Carolina by antiques appraiser, Ken Farmer.