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Mars helicopter achieves fastest, furthest flight yet 火星直升飛機的飛行速度和飛行距離達到前所未有的新高度 The Ingenuity helicopter has successfully flown for the third time on Mars in a week. This time, the helico

WHOs new naming system for coronavirus variants uses Greek alphabet 世界衛生組織采用希臘字母為新冠病毒變體命名 The World Health Organization said on Monday that it has assigned new labels to key coronavirus variants so

How to write a letter of resignation如何寫辭職信Writing a letter of resignation can be difficult, depending on the circumstances. For one thing, its hard to strike just the right tone. Even if youre leaving...

Plastics pose threat to human health, report shows 據報道，塑料會對人類健康造成威脅 Plastics contain and leach hazardous chemicals, including endocrine-disrupting chemicals (EDCs) that threaten human health. An autho...

The science behind snowflakes 雪花背后的科學 A snowflake is a small weather feature that can pack a big punch. 作為一種氣候特點，雪花是微不足道的。但是，雪花背后的科學卻會讓你大吃一驚。 Many are m

Covid-19 is now on every continent as Antarctica records its first outbreak 南極洲出現首個新冠病例-現在各大洲都有Covid-19 Antarctica has recorded its first Covid-19 case after 36 people tested positive on a research ba...