* @param arr 待排序数组
Nature, Published online: 24 February 2026; doi:10.1038/d41586-026-00530-y
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中國「老年網癮」：錢沒了身體垮了，過年勸父母戒手機成新年俗
Lightning-generated waves detected at Mars
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"Competition can create innovation, but if there's a narrower focus on national interest and on establishing ownership, then you can lose sight of the bigger picture which is exploring the solar system and beyond," he adds.