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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A white brain model is surrounded by bright, detached sensory organs mounted on colorful wires.

Single-neuron recordings zoom into ‘blurry map’ of human motor cortex

The motor cortex is organized into an "intermixed jumble of tiles" to generate meaningful movement.

By Claudia López Lloreda
17 June 2026 | 5 min read
Computer code.

Exclusive: Neuroscience journal editor resigns over automation concerns

The editor resigned after the journal’s artificial-intelligence system overrode his selection of referees for a manuscript. His move prompted an internal review of the system.

By Dalmeet Singh Chawla
17 June 2026 | 5 min read

Are computational complexity principles relevant for explaining brain activity?

Cristopher Moore discusses the nature of computation and whether we should think of neural activity as computing.

By Paul Middlebrooks
17 June 2026 | 1 min read