Opinion

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Wearing face masks to prevent disease and counter pollution is common in many Asian countries, but their effectiveness depends on the type of mask, write C Raina MacIntyre and Abrar Ahmad Chughtai.

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Chris Turney, Jonathan Palmer and Mark Maslin suggest that a single tree provides a potential marker for the start of the Anthropocene, a new geological epoch dominated by human activity.

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Despite rates of spinal fusion being on the rise for chronic back pain sufferers, current evidence doesn't support its effectiveness, write Gustavo Machado, Christine Lin and Ian Harris.

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Homeless people are over-represented in Australia’s prisons, and previously incarcerated people are over-represented among the homeless, writes Sophie Russell.

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Allowing bereaved families to view images from crime and accident scenes can offer them a path to healing, write Kate Rossmanith, Hugh Dillon and Jane Mowll.

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In a national advertising campaign, the Australian Bankers’ Association claims banks belong to all of us. But is that true? Mark Humphrey-Jenner investigates.

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Nationals leader Barnaby Joyce's indiscretions raise issues of conflicts of interest, exploitation and the misuse of public funds, writes George Williams.

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Public toilets are an essential amenity, but most of them aren't places we'd want to visit unless we have to. Christian Tietz asks: What does the failure to provide more restful and inviting places say about us?

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Litigation may sound like an obvious route for someone who experiences a medical injury. But it’s lengthy and stressful, and may not provide relief to patients and their families, writes Jennifer Moore.

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Solar windows can harness the sun's energy while maintaining enough transparency to function as a window, write Matthew Wright and Mushfika Baishakhi Upama.

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