Nature

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The hailstone is so massive it even stunned meteorologists. “It’s incredible,” said meteorologist Matthew Kumjian from Penn State University in the US. “This is the extreme upper end of what you’d expect from hail.” The hefty ice lump smashed down from a supercell thunderstorm in Argentina two years ago, in the heavily populated town Villa Carlos
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A single tail from one of the largest and most enigmatic dinosaur species looks to have solved a longstanding mystery about these extinct creatures: whether they could swim. The discovery of a giant fossilised tail belonging to the theropod Spinosaurus aegyptiacus suggests these huge predators were aquatic animals after all, using tail-propelled locomotion to swim
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Weird and wonderful, the microscopic tardigrades are sometimes colloquially known as ‘water bears’ and ‘moss piglets’. In all fairness, though, no bear or piglet ever dreamt of doing the amazing things these uniquely gifted creatures are capable of. Tardigrades are know for their incredible resilience, as they’re able to survive all manner of extreme conditions. When the going gets tough,
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Diamonds are hardly ever perfect. Like us, they carry blemishes and flaws: tiny ‘inclusions’ of ancient chemistry trapped inside their lustrous frames. To the jeweller, these minuscule marks may diminish a gemstone’s value. To a scientist, the imperfection itself can actually be the true glittering prize. In a startling new discovery, researchers in Canada have