Siri Carpenter

Freelance Writer
Spectrum

Siri Carpenter is an award-winning science writer and editor based in Madison, Wisconsin. Her work has appeared in The New York Times, The Los Angeles Times, The Washington Post, O: the Oprah Magazine, Science, Scientific American Mind, Science News, and many other publications. She’s first author on the psychology textbook Visualizing Psychology (John Wiley & Sons, 2007). She is also co-founder and editor-in-chief of The Open Notebook, a nonprofit organization and website that provides resources to help science journalists improve their skills.

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Illustration of cake with genetic code inside.

The genome offers a recipe, not a blueprint, for the brain

During brain development, genes set the rules and turn the knobs; self-organization does much of the rest.

By Ila Fiete
2 November 2026 | 8 min read
Illustration of four faces of a rhesus macaque transitioning from opaque to transparent.

Autism research involving monkeys contends with uphill battle

Macaques and marmosets recapitulate the condition’s core traits better than mice can, but funding uncertainty and challenges at primate centers in the United States could make this work difficult to continue.

By Diana Kwon
2 November 2026 | 8 min read
A measuring cup with a whirlpool in it.

When is self-organization a mechanism in brain development?

Retinal waves offer a powerful example of a self-organizing system that can build structure without external guidance. The field would do well to embrace such phenomena more broadly as a type of mechanistic explanation.

By P. Robin Hiesinger
2 November 2026 | 6 min read