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NSW floods are not just history repeating
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Northern New South Wales is no stranger to floods. Lismore was deluged with deeper floodwaters in 1954 and 1974 than those brought by Tropical Cyclone Debbie in recent days. But as Joelle Gergis writes, those historic floods came after persistent rain amid La Nina conditions. This time there is no La Nina, and most of the rain arrived in a shock 24-hour burst.
On a lighter note, 69 new emoji have been announced and should be available on your devices soon. But they’re more than just fun and games - Jennifer Fane says emoji are a useful tool for research and education, particularly for preschool children.
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Michael Hopkin
Environment + Energy Editor
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Top story
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Lismore received a drenching from the tail end of Tropical Cyclone Debbie.
AAP Image/Dave Hunt
Joelle Gergis, University of Melbourne
The record floods of 1954 and 1974 still stand as Lismore's high-water marks. But Tropical Cyclone Debbie delivered her deluge far more abruptly than the rains that triggered those historic floods.
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Science + Technology
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Jennifer Fane, Flinders University
Emoji provide a living language that is representative and inclusive in ways that words can't always be. Just be careful if you use the eggplant or peach emoji.
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Marilyn McMahon, Deakin University
Driverless cars may cut the number of traffic offences but they could open up a whole new area of litigation - who's responsible for any crash?
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Arts + Culture
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Christine Judith Nicholls, Flinders University
The yidaki, a musical instrument owned by the Yolngu people of North East Arnhem Land, is created by both termites and instrument makers, who tap trees to find hollow logs. A new exhibition tells its fascinating story.
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Camilla Nelson, University of Notre Dame Australia
From Tolstoy to Mark Twain, the most famous writers owe many words of thanks to their long-suffering wives.
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Politics + Society
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Michelle Grattan, University of Canberra
It is the dream apparatchik job, but you would need to be brave to want it just now. The Liberal Party is looking for a new federal director, after the resignation of stalwart Tony Nutt.
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Ryan Goss, Australian National University
Australia's Constitution is a product of foreign and domestic political influences. It has become one of the enduring aspects of Australian politics and law, for better and worse.
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Michelle Grattan, University of Canberra
A cloud continues to hover over Russian interference in the US presidential election.
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James Martin, Macquarie University; Stephen Bright, Edith Cowan University
Let's take claims about the value of drug seizures with a grain of salt.
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Business + Economy
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Adrian Lee, University of Technology Sydney; Andrew Ainsworth, University of Sydney; KIHoon Hong, Hongik University
Money is pouring into exchange traded funds, but making a bitcoin one isn't necessarily a good idea.
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Steve Worthington, Swinburne University of Technology
While Apple Pay may have won the battle against some of Australia’s banks, it may lose the war against the providers of digital wallets, such as Tencent and Alibaba.
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Cities
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Jago Dodson, RMIT University
The trillions of dollars spent on infrastructure demands democratic transparency and accountability. This applies to both the investment and to the effects on cities, societies and the environment.
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Pierre Filion, University of Waterloo; Roger Keil, York University, Canada
Suburban areas feel infrastructure stress most acutely. Having to deal with severe inadequacies, suburbs offer fertile ground for infrastructure experimentation and innovation.
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Health + Medicine
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Rob Eley, The University of Queensland
A condition where our muscles break down and leak into the bloodstream is usually caused by trauma. But high-intensity resistance training, like Crossfit, means it's on the rise.
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Jürgen Götz, The University of Queensland
The blood-brain barrier helps protect the brain, but it also creates difficulties in treating brain disorders. Ultrasound may offer a safe way to more effectively deliver therapies.
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Environment + Energy
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Tiffany Morrison, James Cook University
The Great Barrier Reef is in crisis, as a second wave of coral bleaching hits. But the system of bodies and laws that protect it are getting more complicated – and less productive.
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