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electrical impulses

Astrocyte
Image: An astrocyte, a type of glial cell, by GerryShaw, CC BY-SA 3.0 <https://creativecommons.org/licenses/by-sa/3.0>, via Wikimedia Commons.

New Findings About Our Mysterious “Second Brain”

It wasn’t long ago that researchers were hardly aware of the way the digestive system functions as a second brain. The big focus was neurons. Read More ›

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