Science Focus ( Issue 21)

Issue 021, 2021 S CIENCE F OCUS From the Sky to the Sea: The Evolution of Penguins 從翱翔天際到潛行深海：企鵝的進化 The Mystery of the Blue Sky 藍天之謎 Physics in Your Cup of Hot Chocolate 熱巧克力裡的物理 MythBusters: Acne 流言終結者：暗瘡篇 The Periodic Table – Putting Each Element in the Right Spot 怎樣「證明」元素表的排列是對的？