2025年11月29日，中国科学技术大学西校区的秋色。图片：梁辉导读：树叶为何在秋天变黄、变红？对于这个看似简单的问题，科学家们在过去几十年里提出了各种不同的解释与假说。在不断寻找答案的过程中，人们收获了一些有趣而意想不到的发现。秋分以后，北半球温带 ...

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The Secretary of the Agency of Agriculture, Food and Markets and the Commissioner of the Department of Forests, Parks and ...

However, some animals have no fear of a hornet’s stinger. What’s more, certain birds and spiders willingly seek the insects ...