Chinese physicists create rare 'hexagonal diamond' that's harder than natural diamond - By - Damien Pine - published - 15 March 26 - Researchers made small, pure samples of the elusive mineral lonsdaleite - also known as hexagonal diamond - and tested its material properties to show it's harder than diamond.

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Physics & Mathematics

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Pi has been calculated to trillions of digits ‪-‬ is that completely irrational? By - Kenna Hughes-Castleberry - published - 14 March 26 - A single server smashed the pi world record, churning out 314 trillion digits in 110 days.

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Roman military fort discovered in Scotland far north of Hadrian's Wall - By - Owen Jarus - published - 14 March 26 - The newly found fortlet was a good lookout point for Roman soldiers stationed along the Antonine Wall in Scotland.

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Startling archaeological finds, the Gulf Stream signals possible collapse, our sun's mass migration, the world's smallest QR code, and have we hit peak oil? By - Ben Turner - published - 14 March 26 - Science news this week - March 14, 2026: Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the weekend.

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'Blackwater' lakes and rivers in the Congo Basin are now emitting ancient carbon into the atmosphere - By - Sascha Pare - published - 12 March 26 - Carbon that has been buried in the Congo Basin's peatlands for millennia is seeping into lakes and rivers. Why this is happening remains unclear, but researchers warn that tropical peatlands could be nearing a tipping point.

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Rivers & Oceans

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Scientists use 'negative light' to send secret messages hidden inside heat - By - Alan Bradley - published - 12 March 26 - Using a phenomenon called "negative light," scientists invisibly transferred data disguised as background thermal radiation.

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'Interstellar messenger' 3I/ATLAS could be nearly as old as the universe itself, James Webb telescope observations reveal - By - Patrick Pester - published - 12 March 26 - The comet formed in a cold and distant part of the early Milky Way up to 12 billion years ago, potentially putting it just under 2 billion years the age of the universe.

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AI hallucinations work both ways, study shows - using chatbots can amplify and reinforce our own delusions - By - Peter Ray Allison - published - 12 March 26 - Research reveals the sycophantic nature of generative AI is inadvertently creating a form of distributed delusions.

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Meet Sky Dragon, the giant 10-person 'flying taxi' that just passed its first flight test in China - By - Alan Bradley - published - 12 March 26 - China's massive Sky Dragon and Matrix aircraft are suitable for up to 10 passengers, or more than one ton of cargo.

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Hubble and Euclid capture the final act of a dying star - and it's glorious: Space photo of the week

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Amazfit T-Rex Ultra 2 early review: One of the best-value outdoor smartwatches released this year

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Will the Indus Valley script ever be deciphered?

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Amazon Spring Sale 2026: Stargazing deals on telescopes, cameras and binoculars

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Amazon Spring Sale 2026: The best early deals for wildlife observation

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