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LUCA Wasn't Alive—Just Metal-Dependent Chemistry | Science News
New research is rewriting the origin story of life: LUCA, once thought to be the single ancestor of all living things, may have been more like a molecular soup in hydrothermal vents, relying on metals to drive chemical reactions. Instead of splitting from a fully formed cell, bacteria and archaea likely evolved independently, inventing their own enzymes to break free from vent dependence. This chaotic, experimental phase suggests life’s roots were distributed and messy—not a single tree but a tangled web of evolving chemistry. Listen in comfort:Get a discount on a Soli Pillow…
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