Expert opinion

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Opinion: The Blue Mountains World Heritage site has been downgraded, but it’s not too late to save it

Twenty years ago, UNESCO inscribed the greater Blue Mountains area on the World Heritage List for having “outstanding universal value”.


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Opinion: We don’t need banks teaching kids about money. Schools have it covered

The Victorian government this week announced it would ban all banking schemes from operating in public schools from 2021.


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Opinion: ‘WTF?’: newly discovered ghostly circles in the sky can’t be explained by current theories, and astronomers are excited

In September 2019, my colleague Anna Kapinska gave a presentation showing interesting objects she’d found while browsing our new radio astronomical data.


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Opinion: Custodians of Antarctica: how 5 gateway cities are embracing the icy continent

Antarctica Day celebrates the icy continent and its unique governance system. It’s the anniversary of the Antarctic Treaty’s adoption on December 1 1959.


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Opinion: ‘War in space’ would be a catastrophe. A return to rules-based cooperation is the only way to keep space peaceful

In 2019, US President Donald Trump declared “space is the new war-fighting domain”. This followed the creation of the US Space Force and a commitment to “American dominance” in outer space.


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Opinion: Kylie Moore-Gilbert is one of hundreds of victims of state attacks on academic freedom

Australian academic Kylie-Moore Gilbert is finally free and back home. The Melbourne university academic was unjustly deprived of her liberties for 804 days for being in the wrong place at the wrong time.


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Opinion: When health workers came up against COVID it laid bare gaps in their training

COVID-19 turned 2020 on its head for all healthcare workers, particularly those at the front line of the pandemic response.


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Opinion: 3 out of 10 girls skip class because of painful periods. And most won’t talk to their teacher about it

More than one-third of young women in a nationwide survey said they missed at least one class, either at school or university, in the past three months due to menstrual symptoms.



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