Beneath our feet lies a vast hidden fungal superhighway that helps sustain much of life on Earth—and scientists have now mapped it for the first time. Researchers estimate that these underground networks stretch an astonishing 110 quadrillion kilometers, move about 4 billion tons of carbon dioxi...

Source: [ScienceDaily](https://www.sciencedaily.com/releases/2026/06/260614011845.htm)

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