# The Brain Has a Secret Second Network. Now We Can See It.

- slug: the-brain-has-a-secret-second-network-now-we-can-see-it
- date: 2026-04-22
- category: Biotech & Life Sciences

Astrocytes turn out to run their own far-reaching communication system, connecting brain regions neurons never link directly. A new Nature study maps it for the first time.

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