Science & Tech

What is DNA

DNA is a short nickname for Deoxyribonucleic Acid (去氧核糖核酸). It is the genetic (基因的;遺傳訊息的) material that contains all the information about how a living thing will look and function (運作). For example,

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How Maglev trains work?

How can you make a train without wheels? By using magnets (磁石)! Magnetic levitation(磁浮列車), or ‘maglev’ for short, is a technology that allows

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