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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Remembering Barbara Finlay, ‘maverick’ of evolutionary neuroscience
Finlay, who died on 12 September, championed the idea that developmental constraints dictate how evolution sculpts brains, a concept she used to model the timing of hundreds of events and align them across mammalian species.
Remembering Barbara Finlay, ‘maverick’ of evolutionary neuroscience
Finlay, who died on 12 September, championed the idea that developmental constraints dictate how evolution sculpts brains, a concept she used to model the timing of hundreds of events and align them across mammalian species.
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Calli McMurray
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Crows have brains ‘in the fast lane’
The birds accurately complete decision-making tasks twice as fast as primates, although their endbrains look considerably different.
Crows have brains ‘in the fast lane’
The birds accurately complete decision-making tasks twice as fast as primates, although their endbrains look considerably different.
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Sarah Thau
22 October 2026 | 4 min read
Prevalence of profound autism declines with new definition
The updated, more precise definition used in a CDC study includes adaptive scores.
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The updated, more precise definition used in a CDC study includes adaptive scores.
By
Brianna Abbott
22 October 2026 | 5 min read