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Madeleine Finlay sits down with science editor Ian Sample and science correspondent Nicola Davis to discuss three eye-catching stories, including the impact of a powerful psychedelic on depression, answers on the death of Russian opposition leader Alexei Navalny, and an explanation to the mystery of why humans have chins
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Perhaps that’s the biggest irony of all. Space is huge and mostly empty—and yet there’s no easy way to throw things out.
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除夕晚上，我的狗突然开始一阵阵嚎叫，简直像荒野里的狼。这是它此前从未发出过的声音，惊愕之余，我连忙查询狗为何会嚎叫。AI告诉我，常见原因之一，便是与主人分离后，产生了焦虑，有一种“别丢下我，我害怕”的感情。
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