Sarah Krasnostein talks about the incredible life and times of Sandra Pankhurst, a transgender trauma cleaner.

Algae is the new ‘green gold'. On Big Ideas, an expert panel describes the potential of algae as a game-changing sustainable resource for numerous industries.

Fred Chaney, formerly co-chair of Reconciliation Australia, calls for an end to heavy-handed government policies which disempower remote communities and ignore indigenous culture.

The monsters we create in our classical literature and modern pop culture say a lot about ourselves and our society. They reflect power dynamics, prejudges and irrational fears of their time.

What is it be like to be a lawyer who witnesses the execution of your client? Richard Bourke knows the feeling. He represents defendants facing capital punishment, and inmates on death row, in Louisiana in the United States

Do we need a new frame of reference to truly understand our environmental emergency?

Do hormones maketh the man, and the woman?  Testosterone makes men tall and deeper voiced, but is it also the cause of male aggression?

Have people with a disability sufficient access to the intangible environment online? New technologies offers them many liberating opportunities, but they can also pose new barriers.

What is "toxic masculinity" and do men need to rethink what it means to be masculine in an age of #metoo?

Margaret MacMillan says that war is a part of being human, so we need to examine it boldly. What motivates men and women to fight in a war? Why do we fear, but also love war?

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