Why this rust-like mineral is one of Earth’s best carbon vaults

ScienceDaily
Feb 9, 2026, 1:25 am117 pts
A common iron mineral hiding in soil turns out to be far better at trapping carbon than scientists realized. Its surface isn’t uniform — it’s a nanoscale patchwork of positive and negative charges that can grab many different organic molecules. Instead of relying on a single weak attraction, the mineral…

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