Expert opinion

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Opinion: A giant piece of space junk is hurtling towards Earth. Here’s how worried you should be

A large piece of space debris, possibly weighing several tonnes, is currently on an uncontrolled reentry phase (that’s space speak for “out of control”), and parts of it are expected to crash down to Earth over the next few weeks.


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Opinion: It’s not surprising Indian-Australians feel singled out. They have long been subjected to racism

In the past five years, the number of overseas-born migrants from India grew more than any other group in Australia, increasing from 449,000 to 721,000.


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Opinion: Planning shake-up needed to help those whose job it is to make NSW a healthy place

You’d be forgiven for asking if living in some parts of New South Wales is actually good for your health. In the past 18 months Australia’s most populous state has been challenged like never before.


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Opinion: Gastro outbreak: how does it spread, and how can we stop it? A gastroenterologist explains

On Monday, Victorian health authorities released figures showing they’d received 389 reports of “gastro” outbreaks so far in 2021.


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Opinion: It’s not how big your laser is, it’s how you use it: space law is an important part of the fight against space debris

Space is getting crowded. More than 100 million tiny pieces of debris are spinning in Earth orbit, along with tens of thousands of bigger chunks and around 3,300 functioning satellites.


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Opinion: Less than half of Australian adults know how to identify misinformation online

For most of us, it’s hard to imagine a media-free day. To do these activities regularly and effectively, we need to have at least a moderate level of media literacy.


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Opinion: 7 ways to make Easter safe and inclusive for children with food allergies

Easter can be a challenging and anxious time for children with food allergies and their families.


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Opinion: A staggering 1.8 million hectares burned in ‘high-severity’ fires during Australia’s Black Summer

In the aftermath of Australia’s devastating Black Summer fires, research has begun to clarify the role of climate change.



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