Kenna Hughes-Castleberry is science communicator at JILA and editor-in-chief of their journal, Light & Matter. She is also a freelance science journalist. Her beats include quantum technology, artificial intelligence, diversity within the tech industries, animal intelligence, corvids and cephalopods. Her work has been featured in various publications, including Scientific American, New Scientist, Discover Magazine, Ars Technica, Nature Biotechnology, Astronomy Magazine, Leaps Magazine, Hakai Magazine, ChemistryWorld, Physics.org, Colorado Magazine, Inside Quantum Technology, The Debrief and more. She sits on the board of the Science Writers Association of the Rocky Mountains (SWARM) and teaches science writing to graduate students at JILA.
Kenna Hughes-Castleberry
Contributing writer
From this contributor
Number-associated neurons help crows link values to symbols
Comparable neurons also exist in primates, which shared a common ancestor with crows more than 300 million years ago, suggesting that the ability to “count” evolved independently in the two lineages.
Number-associated neurons help crows link values to symbols
By
Kenna Hughes-Castleberry
19 January 2024 | 4 min read
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Portfolio of SCN2A gene variants, and more
Here is a roundup of autism-related news and research spotted around the web for the week of 9 March.
Portfolio of SCN2A gene variants, and more
Here is a roundup of autism-related news and research spotted around the web for the week of 9 March.
By
Jill Adams
10 March 2026 | 2 min read
Hippocampus builds reputation as ‘general-purpose statistical learning machine’
New cross-species findings may help settle a long-standing debate about whether the hippocampus is required for passive learning.
Hippocampus builds reputation as ‘general-purpose statistical learning machine’
New cross-species findings may help settle a long-standing debate about whether the hippocampus is required for passive learning.
By
Natalia Mesa
10 March 2026 | 5 min read
‘The Fox, the Shrew, and You: How Brains Evolved,’ an excerpt
In his new book, Rogier Mars provides a detailed account of animal and human brain evolution. In this excerpt from Chapter 1, he starts with the sea squirt—and why it needs the brain it eats after its larval stage.
‘The Fox, the Shrew, and You: How Brains Evolved,’ an excerpt
In his new book, Rogier Mars provides a detailed account of animal and human brain evolution. In this excerpt from Chapter 1, he starts with the sea squirt—and why it needs the brain it eats after its larval stage.
By
Rogier Mars
10 March 2026 | 6 min read