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How chemistry’s Nobel laureates retraced life’s twisted choice
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How chemistry’s Nobel laureates retraced life’s twisted choice

So, the chemistry Nobel laureates Henri Kagan and Kenso Soai have developed ways to produce organic molecules in just one of two mirror-image forms. That chemical selectivity offers clues to a pivotal choice made when life emerged on Earth around four billion years ago. And here’s the thing: producing the right molecular form is also vital for safer medicines, since mirror-image molecules can have very different effects. The article also traces the field back to Louis Pasteur, whose 19th-century experiments with tartaric acid crystals revealed the phenomenon.
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