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.”

From this contributor

Explore more from The Transmitter

Research image of human endothelial cells grown in vitro.

Autism experts venture to set the narrative for INSAR, and more

Here is a roundup of autism-related news and research spotted around the web for the week of 20 April.

By Jill Adams
21 April 2026 | 2 min read
Collage illustration with a portrait of Mia Thomaidou.

Frameshift: How Mia Thomaidou tapped a fellowship to connect neuroscience to criminal justice

As a fellow at the Dana Foundation, she merged two familiar passions and discovered a new one: science philanthropy.

By Katie Moisse
21 April 2026 | 6 min read
Researcher hands and mice navigate a series of connected spaces and paths.

To understand decision-making, we need to truly challenge lab animals

Complex, multidimensional tasks that unfold over time could reveal how different brain areas work together to support decisions.

By Chand Chandrasekaran
20 April 2026 | 6 min read