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By Arfi Foundation From St Basil’s to Bondi: the brilliant ‘beaver’ supermoon – in pictures
The largest supermoon of the year, the so-called ‘beaver’ moon on Wednesday 4 November, was the biggest and brightest of 2025, just 357,000km from EarthWatch November’s ‘beaver’ supermoon rising over...
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Watch Jeff Bezos's successful Blue Origin rocket launch – video
Blue Origin successfully launches its huge New Glenn rocket on Thursday with a pair of Nasa spacecraft destined for Mars. It is only the second flight of the rocket that Jeff Bezos's company and Nasa...
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Astronauts successfully return to Earth after ISS command change – video
Three crew members left the International Space Station and landed back on Earth after 245 days in space.The cosmonaut and station commander, Sergey Ryzhikov, handed over a symbolic key to the Nasa...
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Did you solve it? Are you smarter than a soap bubble?
The “solution” to today’s puzzleEarlier today I set a puzzle which is extremely hard to answer if you are not a soap bubble.The four towns Continue reading...
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Did you solve it? The forgotten Dutch invention that created the modern world
The answer to today’s engineering challengeEarlier today I asked you to reinvent a component of the sixteenth century Dutch sawmill, which – according to a new book – was the world’s first industrial...
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Can you solve it? Are you ready for twenty twenty-six…seven?
The year ahead in numbersUPDATE: Read the solutions hereAs we say goodbye to 2025, let’s delight in its numerical charms one final time. The year was unique this century as being a square number.442...
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