Expert opinion

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Opinion: Christmas is a special time on the maternity ward. But it’s not all tinsel and mince pies

Having a baby at Christmas can be both a joyous time and a cause for anxiety. This Christmas, with a pandemic sweeping the world, there may also be some unique considerations on parents’ minds.


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Opinion: A thread of the cosmic web: astronomers spot a 50 million light-year galactic filament

At the very largest scale, the Universe consists of a “cosmic web” made of enormous, tenuous filaments of gas stretching between gigantic clumps of matter.


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Opinion: No, Education Minister, we don’t have enough evidence to support banning mobile phones in schools

Last week, South Australia announced a mobile phone ban in primary schools. Federal Education Minister Dan Tehan endorsed the ban.


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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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