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Money Doesn’t Grow on Trees? These Spruce Trees in Finland Are Growing Tiny Flecks of Gold in Their Needles
科学家在挪威云杉针叶内发现细菌,可以将溶解的金转化为固体纳米颗粒。
Scientists discover gold nanoparticles hidden in spruce tree needles
云杉针含有微小的金颗粒,它们可能表明地表下有大量的金矿床。