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Metamaterials – artificially made materials with properties that aren’t found in the natural world – are poised to transform daily life. Their unique properties are enhancing products from sporting goods to consumer electronics and beyond.

Several high-profile political leaders have in recent months been seen apparently dabbling in Nazi allusions. In many cases, dog whistle messages send oblique signals to supporters. These are pitched at a frequency that most listeners can’t hear but are meaningful to those seeking confirmation of their own views.

Artificial intelligence (AI) isn’t just made up of data, chips and code – it’s also the product of the metaphors and narratives we use to talk about it. The way we represent this technology determines how the public imagination understands it and, by extension, how people design it, use it,…

Much of south-eastern Australia is currently in the grip of a heatwave, which is expected to peak over the next two days. Heatwaves often trigger bushfires, particularly if combined with strong winds.

Australia is baking through another extreme heatwave, with temperatures forecast to reach above 45°C for multiple days in a row across large swathes of the country.

Annual inflation cooled in November.

X (formerly Twitter) has become a site for the rapid spread of artificial intelligence-generated nonconsensual sexual images (also known as “deepfakes”).

Europe stands at a precipice. Following the US military operation in Venezuela, President Donald Trump and his close advisers have reiterated that Greenland – currently an autonomous territory of Denmark – will be next.

Less than a month on, Australia is still grappling with the consequences of the Bondi attack, in which 16 people were killed (including one of the shooters) and 40 more were injured. Most of the victims were Jewish and were attending an event to mark the start of Hanukkah.

This article covers the March South Australian state election and November Victorian state election. The United States will hold midterm elections in November, giving Democrats an opportunity to take control of Congress.

Australia’s climate is changing rapidly due to rising global greenhouse gas emissions. Extreme weather events such as tropical cyclones, east coast low pressure systems, flash floods, droughts, bushfires, severe storms, and both land and marine heatwaves are becoming increasingly common, as the National Climate Risk Assessment makes clear.