A rare metal, nearly nonexistent in Earth's oceans at the time, turned out to be a key player in the...
Earth's Rarest Metal Was Thought to Be Useless to Ancient Life, Until Researchers Discovered Something in 3-Billion-Year-Old Fossils
A rare metal, nearly nonexistent in Earth's oceans at the time, turned out to be a key player in the survival of early life.
Author: The Daily Galaxy
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