Leah Shaffer is a freelance science writer based in St. Louis, Missouri. Her stories have appeared in publications such as Wired, The Atlantic, Discover, NOVA Next and UnDark. She writes about biology, medicine and the weird critters inside and outside the human body.
Leah Shaffer
Freelance writer
From this contributor
Supplements, worms and stool: How families are trying to game the gut to treat autism traits
Scientists are playing catch-up as microbiome-based treatments for autism proliferate.
Supplements, worms and stool: How families are trying to game the gut to treat autism traits
By
Leah Shaffer
26 June 2019 | 16 min read
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‘Tour de force’ study flags fount of interneurons in human brain
The newly discovered cell type might point to the origins of the inhibitory imbalance linked to autism and other conditions.
‘Tour de force’ study flags fount of interneurons in human brain
The newly discovered cell type might point to the origins of the inhibitory imbalance linked to autism and other conditions.
By
Holly Barker
29 January 2026 | 4 min read
Michael Shadlen explains how theory of mind ushers nonconscious thoughts into consciousness
All of our thoughts, mostly nonconscious, are interrogations of the world, Shadlen says. The opportunity to report our answers to ourselves or others brings a thought into conscious awareness.
Michael Shadlen explains how theory of mind ushers nonconscious thoughts into consciousness
All of our thoughts, mostly nonconscious, are interrogations of the world, Shadlen says. The opportunity to report our answers to ourselves or others brings a thought into conscious awareness.
By
Paul Middlebrooks
28 January 2026 | 1 min read
‘Peer review is our strength’: Q&A with Walter Koroshetz, former NINDS director
In his first week off the job, the former National Institute of Neurological Disorders and Stroke director urges U.S. scientists to remain optimistic about the future of neuroscience research, even if the executive branch “may not value what we do.”
‘Peer review is our strength’: Q&A with Walter Koroshetz, former NINDS director
In his first week off the job, the former National Institute of Neurological Disorders and Stroke director urges U.S. scientists to remain optimistic about the future of neuroscience research, even if the executive branch “may not value what we do.”
By
Angie Voyles Askham
27 January 2026 | 7 min read