Historian Ann Curthoys takes us on Paul Robeson's tour of Australia back in 1960. What happened to the platypus called Winston Churchill that was sent by boat to the UK in the middle of the 2nd World War. And don't miss a moving Year That Made Me with photographer Julian Kingma. All on Sunday Extra this week.

Bagpipes have a long history that doesn't all take place in Scotland. How much truth is there in the CIA's use of George Orwell's book Animal Farm. And why has the Algerian Nutella-like spread El Morjene been banned in Europe? Find out on Sunday Extra.

2005 was a big year for Marcus Zusak and Gill Hicks. For Markus Zusak his best seller The Book Thief was published. For Gill Hicks, 2005 was the year she survived the terrorist bombing of the London Underground. Both events changed their lives. We also investigate the rise of the Banh Mi and Hi Viz in Australia.

Project Monarch is a crowd-sourcing initiative that uses Bluetooth tracking technology to help scientists and butterfly enthusiasts monitor individual monarch butterflies in real time. The butterflies are tracked through an app as they migrate from North America to central Mexico.

Guest: Jennifer Thieme, Senior Science Manager at Monarch Joint Venture

Toowoomba's pink-haired, motorbike-riding priest has overcome huge challenges on the road to becoming Reverend Harley.

Andrew "The Annihilator" Ngai  is an actuary by day, but he has just returned from Las Vegas where he was competing in the Microsoft Excel World Championships. He has already won the title three times, but will he win again? 

Guest: Andrew Ngai, Actuary and Excel World Champion

When an Airbus A320 made a dramatic altitude drop recently, Airbus grounded more than 6,000 planes to fix a software error that made aircraft computers vulnerable to cosmic radiation. So how exactly does radiation from deep space affect technology on earth, and should we be concerned?

Guest: Michael Wheatland, cosmic astrophysicist and Professor of Physics at University of Sydney

This week's tweeter is the Sahul Sunbird - and we also accepted its former name of Olive-backed Sunbird.

It's the only Sunbird found in Australia - pale yellow below and dusky brown above. And like its relatives, its equipped with a long downcurved bill, which is great for plucking insects or collecting nectar!

And the winner is: 

Thousands of Ukrainian refugees came to Australia in 2022 when Russia invaded Ukraine. Many of them are now facing their fourth Christmas in Australia and are conflicted about where they now call home. Svitlana and her son Max have made a new life in Adelaide where Max is attending university when he is not training to represent Australia in Canoe Sprint.

Guests: Svitlana and Maksym Gandziuk

Click here to find out more about the organisation that provides support to Ukrainian refugees in South Australia

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