Biologist Tim Low describes the voices and virtues of Australia's native birds

Operation Chowhound: a secret WW2 bomber operation where no bombs were used.

Rebecca is a writer, editor and co-founder of literary journal, Kill Your Darlings.

Krissy is a writer of erotic fiction, memoir and poetry. To prepare for her latest novel she investigated history's great works of erotic literature.

Dr Alan Duffy grew up in rural Northern Ireland, reading Stephen Hawking and fascinated by black holes and the big bang.

Tony says he's been fortunate to have three jobs he's loved: as a farmer; a NSW state parliamentarian, and a member of Federal Parliament.

Miranda's grandparents Anna and Armand married after surviving the holocaust, and bought a little stone house in the south of France.

Gunns Ltd. was a massively profitable forestry business that at its peak had a market value of one billion dollars.

Hank specialises in the study of animal physiology; in particular, how wild animals adapt to survive stressful environments such as extreme cold.

Michael is a former English teacher from Sydney whose Blue Dragon Children's Foundation turns around the lives of Hanoi's street kids.