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.
Siri Carpenter
Freelance Writer
Spectrum
From this contributor
The children who leave autism behind
Some children shed the symptoms of autism and eventually lose their diagnosis. What sets them apart?
Explore more from The Transmitter
This paper changed my life: John Tuthill reflects on the subjectivity of selfhood
Wittlinger, Wehner and Wolf’s 2006 “stilts and stumps” Science paper revealed how ants pull off extraordinary feats of navigation using a biological odometer, and it inspired Tuthill to consider how other insects sense their own bodies.
This paper changed my life: John Tuthill reflects on the subjectivity of selfhood
Wittlinger, Wehner and Wolf’s 2006 “stilts and stumps” Science paper revealed how ants pull off extraordinary feats of navigation using a biological odometer, and it inspired Tuthill to consider how other insects sense their own bodies.
By
John Tuthill
12 January 2026 | 7 min read
Some facial expressions are less reflexive than previously thought
A countenance such as a grimace activates many of the same cortical pathways as voluntary facial movements.
Some facial expressions are less reflexive than previously thought
A countenance such as a grimace activates many of the same cortical pathways as voluntary facial movements.
By
Natalia Mesa
8 January 2026 | 5 min read
Cracking the neural code for emotional states
Rather than act as a simple switchboard for innate behaviors, the hypothalamus encodes an animal's internal state, which influences behavior.
Cracking the neural code for emotional states
Rather than act as a simple switchboard for innate behaviors, the hypothalamus encodes an animal's internal state, which influences behavior.
By
Natalia Mesa
8 January 2026 | 8 min read