Scientists Call for a Global Pause on Creating “Mirror Life” Before It’s Too Late: “The threat we’re talking about is unprecedented”
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Image: Amino Acid Chirality. Image source: Wikimedia Commons. Public Domain. Article by Tibi Puiu. ZME Science – July 18, 2025.
On a molecular level, life as we know it has a surprising bias. The building blocks of life — DNA, RNA, and proteins — have a “handedness,” like our left and right hands. For reasons still unclear, nature almost exclusively uses right-handed DNA and left-handed proteins. But what if science flipped the script? In labs around the world, scientists have tinkered with this idea, crafting mirror versions of life’s essential molecules. These synthetic creations could revolutionize therapies for diseases and contamination-resistant manufacturing. At the same time, reversing a molecule’s handedness could cause untold harm. […]
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