在探访郑和公园的过程中，我还了解到了一个关于郑和墓的历史谜团。据传，郑和在1433年航海途中卒于古里国（今印度卡利卡特）。然而，他的遗体并未被运回国内安葬，而是被安葬在了南京牛首山南麓的一处墓地中。这处墓地被称为郑和墓或郑和衣冠冢，但关于它的真实性和历史背景却存在着许多争议和谜团。

过去几周，美国科学界遭受了「灭顶之灾」，哥大、哈佛、宾大约翰·霍普金斯大学等众多名校纷纷被砍去经费，冻结招聘，不得不撤销已发出的offer。有人说，特朗普新政对美国科研造成的破坏程度之深，可能需要几代人的时间，才能被充分认识。

很多人初二力学一塌糊涂，到了初三直接摆烂。但物理是“章节式学习”，电学和力学压根没关系，换句话说——你初二学得多烂，都不影响你初三重新来过！

NASA astronauts Suni Williams and Butch Wilmore, who have been stranded at the International Space Station (ISS) since last ...

The NBS on Monday released data of China's economy in the first two months of 2025, which showed industrial output, fixed asset investment and retail sales all growing at a faster pace than a year ...

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该研究发现，医用静脉输液袋（主要是聚丙烯材质）会释放大量微塑料颗粒，这些微塑料颗粒在 1-62 微米之间。研究团队估计，一次输液会将数千乃至数万个微塑料颗粒直接送入人体血液中。

1.Open Alipay. 2.Search “AI Hangzhou” and enter "City Services" or just scan the QR code with Alipay App to find it. If you are using the international version of Alipay, you can find it on the front ...

在广西凤山这个小县城里，藏着地理的奇观，你可以在这里探索到世界的另一面。In the small county of Fengshan, Guangxi, lies a geological wonder, a place where you can ...

Zhang, another member of the 2024 Asian champion team, reached the quarterfinals at January's Plovdiv World Cup. Substitute ...