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Editor's Choice
Running Water Heaters on Solar Could Slash Emissions and Use Cheap Energy
nikkytok/Shutterstock Your hot shower or bath uses 15-30% of your household’s total energy, second only to the heating and cooling of air. More than half of all Australian households rely…
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Editor's Choice
What Causes Mosquito Bite Itch and Why Do Some React Badly?
Arthur Poulin/Unsplash Are you one of these people who loathes spending time outdoors at dusk as the weather warms and mosquitoes start biting? Female mosquitoes need blood to develop their…
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Editor's Choice
The Sun Is More Active Than Predicted – Small Satellites Are Paying the Price
Last week, three tiny Australian satellites from Curtin University’s Binar Space Program burned up in Earth’s atmosphere. That was always going to happen. In fact, Binar means “fireball” in the…
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Editor's Choice
Study Shows Teen Vaping Linked to Childhood Trauma
sergey koleskinov/Shutterstock If you experience trauma during childhood, there’s a greater chance you’ll use substances such as alcohol, tobacco and other drugs later. But what does the evidence say about…
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Editor's Choice
Campaign Rewards Roblox Gamers for Engaging with US Election – Impact on Global Politics
Alex Photo Stock/Shutterstock If historical trends are anything to go by, most young people in the United States will not vote at this week’s presidential election. For example, at the…
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Editor's Choice
We built a tiny electronic nose that can beat a mouse at its own game
Abudzaky / Shutterstock Imagine a robot that can detect scents in the air and track down their sources as efficiently as a dog or a mouse. If realised, it could…
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Editor's Choice
What should I do to prepare for a monologue performance?
Frame Stock Footage/Shutterstock Monologue performance is a technically demanding but deeply rewarding form of theatre. Monologues are the purest form of storytelling an actor can engage in. Before I was…
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Editor's Choice
Is thirst a good predictor of dehydration?
KieferPix/Shutterstock Water is essential for daily functioning and health, and we can only survive a few days without it. Yet we constantly lose water through sweat, urination and even evaporation…
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Editor's Choice
Indigenous People Are 4 Times More Likely to Die from Diabetes
Attila Csaszar/Getty It’s estimated almost 1.9 million Australians have diabetes, and numbers are growing. Between 2013 and 2023, the total number of people known to be living with diabetes across…
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Editor's Choice
Individual Climate Action Was Dismissed as Greenwashing, but It Still Has a Place
j.chizhe/Shutterstock Two decades ago, the fight against climate change was often framed as a personal choice. You might try to reduce your carbon footprint by avoiding flights or change your…
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Editor's Choice
Chatbot-Linked Deaths Highlight Urgent Need to Redefine ‘High-Risk’ AI
De Visu/Shutterstock Last week, the tragic news broke that US teenager Sewell Seltzer III took his own life after forming a deep emotional attachment to an artificial intelligence (AI) chatbot…
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Editor's Choice
First Biomechanics Study of Indigenous Weapons Reveals What Made Them So Deadly
For the first time, state-of-the-art biomechanics technology has allowed us to scientifically measure just how deadly are two iconic Aboriginal weapons. In First Weapons, an ABC TV series aired last…
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Editor's Choice
Spreading Crushed Rock on Farmland Can Remove CO₂ from the Atmosphere if Done Right
Carbon dioxide (CO₂) is naturally removed from the air when it reacts with certain types of rock. We can accelerate this process by crushing suitable rocks and spreading them over…
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Editor's Choice
6 reasons why people enjoy horror movies
Tero Vesalainen/Shutterstock The creeping shadows and haunting decorations transform the everyday into something eerie at Halloween. And you might be thinking about scaring yourself with a good horror movie. Grotesque…
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Editor's Choice
What Is AI Superintelligence Could It Destroy Humanity and Is It Really Almost Here
Maxim Berg / Unsplash In 2014, the British philosopher Nick Bostrom published a book about the future of artificial intelligence (AI) with the ominous title Superintelligence: Paths, Dangers, Strategies. It…
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