Carrie Arnold


Carrie Arnold is a Virginia-based freelance science journalist who covers many aspects of the living world. She’s a contributing editor at NOVA Next, and has also written for Mosaic, National Geographic, Aeon, Nautilus, Scientific American and Women’s Health. She is also the author of “Decoding Anorexia: How Breakthroughs in Science Offer Hope for Eating Disorders.”

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The relationship between structure and function in cortical networks

Michael Reimann explains how the shape of neurons puts strong constraints on how they are wired in a network, and how this affects their structure-function relationships.

By Gaute Einevoll
28 October 2026 | 1 min read
Stock image of branching dendrites.

How brains prevent ‘catastrophic forgetting’

Dendrite-specific inhibition lets overlapping neuronal assemblies form across brain areas without erasing existing memories, a new modeling study suggests.

By Natalia Mesa
28 October 2026 | 6 min read
Research image of whole-brain 3D visualizations of pixels colored by their corresponding lipizone.

Lipids enter brain mapping limelight

Two new studies, including the first whole-brain lipid atlas in mice, uncover unforeseen complexity and influence during pregnancy and aging.

By Lauren Schenkman
27 October 2026 | 6 min read