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Last week a caravan laden with explosives was found on the outskirts of Sydney. Police said there were indications the explosives would be used in an antisemitic attack, with the potential to cause a ‘mass casualty event’. Reged Ahmad talks to reporters Caitlin Cassidy and Jordyn Beazley about what happened after a caravan filled with explosives was found on a quiet Sydney street Please fill out our audience survey here: theguardian.com/fullstorysurvey

As the heat hits harder, Australians head to public swimming pools to cool off. They’re also an important place to learn to swim. But going for a dip is harder for some, depending on their postcode. Reged Ahmad talks to climate and environment reporter Petra Stock and Victorian state correspondent Benita Kolovos

What do Greenlanders make of the US president’s interest in their island? Miranda Bryant reports You can support the Guardian at theguardian.com/fullstorysupport

The launch of a new chatbot by Chinese artificial intelligence company DeepSeek triggered a plunge in US tech stocks as it appeared to perform as well as OpenAI’s ChatGPT and other AI models but using fewer resources. Helen Pidd speaks to Robert Booth, the Guardian’s UK technology editor, about how DeepSeek did this, the model’s security and censorship and why the US AI industry has been shaken by the launch

Peter Dutton wants to slash thousands of government jobs in an Elon Musk-style purge of the public service. But this is not the first time an Australian politician has promised cost-cutting before an election and we don’t know much about the potential policy or its consequences. Bridie Jabour talks with the editor-in-chief, Lenore Taylor, and deputy editor Patrick Keneally about the threats to the public service and finding facts during an election campaign

Around the world, soaring inflation has pushed voters to turn on incumbent governments. But one country bucked the trend – Mexico, where the leftwing Morena party recorded a landslide victory. The key to its success? A policy platform built on minimum salary rises, labour reforms and price controls on staples. So are there lessons to be learnt from the country’s success for Anthony Albanese’s Labor party? Senior business reporter Jonathan Barrett tells Nour Haydar why so many governments didn’t survive high inflation, and what Labor could learn from the country that bucked the trend You can support the Guardian at theguardian.com/fullstorysupport

Donald Trump’s decision to seat super-rich tech barons Mark Zuckerberg, Tim Cook, Jeff Bezos, Elon Musk and Sundar Pichai in front of his own members of cabinet at his inauguration has sent a strong signal about who holds power in America now. Technology editor Blake Montgomery tells Reged Ahmad why the ‘broligarchs’ have become just as important to the new president as he is to them

Blowing the whistle on corruption, wrongdoing and unethical behaviour can come at a huge personal cost to those who choose to speak out. Kieran Pender, associate legal director at the Human Rights Law Centre, tells Nour Haydar why more needs to be done to ensure workers who speak up about wrongdoing are protected

As America’s second-largest city reels from massive fires blown in from the bush, Australians are looking for lessons on how to stop it happening to us. David Bowman, a pyrogeography and fire science professor from the University of Tasmania, tells Reged Ahmad why he thinks we need to rethink how we design our cities and our homes to live with fires

The Oxford English Dictionary announced its word of the year at the end of 2024: ‘brain rot’. The term relates to the supposedly negative effects of consuming social media content, but it struck a chord more widely with many of us who feel we just don’t have the mental capacity we once did. Gloria Mark, a professor of informatics at the University of California, Irvine, has been studying our waning attention spans for 20 years. She tells Madeleine Finlay why she believes our powers of concentration are not beyond rescue, and reveals her top tips for finding focus Please fill out our audience survey here: theguardian.com/fullstorysurvey