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7h ago
Measuring how stressed rocks 'sigh' before breaking could help predict geohazards
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Too much stress can make even a rock crack. But before rocks reach their breaking point, they "sigh" a chemical warning by releasing nuclides, a type of atom defined by the number of neutrons as well as protons in the nucleus. Scientists have studied these naturally occurring geochemical emissions for more than half a century, but struggled to link nuclide release to the timing of rock breakage. Now, an international team of scientists from universities in China (led by Xin Luo at Hong Kong Univ
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