This week's mystery caller displays its aerobatic skills right across Australia – the Tree Martin.

Ceu Lopes was part of the East Timorese resistance to Indonesian military rule and she set up the NGO Timor Aid, which has been working on development projects in Timor Leste for the past 25 years.

American writer and podcaster Coleman Hughes argues the case for a colourblind approach to politics and culture, warning that the so-called ‘anti-racist’ movement is driving us toward a new kind of racism. 

The first major Australian documentary to chronicle the journey of the Voice referendum in 2023, as young Indigenous people embark on a 3,000 kilometre cross-country road trip to gather support for the Australian Indigenous Voice referendum. 

Guest: Semara Jose, co-founder and chair of Deadly Inspiring Youth Doing Good (DIYDG) and co-director of Voice.

Australian citizens were at the front of the push for humanitarian aid to what became Bangladesh in 1971 during its independence war.

The long standing mystery of how Mars lost all of its water has been solved, with scientific research uncovering evidence of an enormous reservoir of water locked away deep in the planet’s crust. The discovery means there is fresh hope of finding some form of alien life on Mars. 

Guest: Dr Vashan Wright - Associate Professor at the Scripps Institution of Oceanography at the University of California, San Diego

Elon Musk’s interview with Donald Trump highlights his willingness to use his X platform to meddle in the politics of a number of countries including the U.S., the U.K., Argentina, Brazil and Venezuela.

Guest: John Lee Anderson, journalist and author of 'Elon Musk’s Surging Political Activism'.

Can you guess this week's tweeter?

Amongst the laundry list of careers he's had - teacher, editor, farmer, fisherman, barman, archaeological site worker and fencing contractor - Bruce Pascoe has published 38 books.

In 2014, his book Dark Emu made headlines for suggesting Australia’s Indigenous food cultures went beyond merely hunter-gathering. 

The media storm that followed brought chaos to both his professional and personal life.

Guest: Bruce Pascoe, author and enterprise professor at the School of Agriculture, Food and Ecosystems at University of Melbourne.

In 2021, Andrew Hamilton was the owner of a pizza restaurant and engaged to be married, when he was arrested on drug trafficking charges and sent to prison.