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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Two primate centers drop ‘primate’ from their name
The Washington and Tulane National Biomedical Research Centers—formerly called National Primate Research Centers—say they made the change to better reflect the breadth of research performed at the centers.
Two primate centers drop ‘primate’ from their name
The Washington and Tulane National Biomedical Research Centers—formerly called National Primate Research Centers—say they made the change to better reflect the breadth of research performed at the centers.
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Post-infection immune conflict alters fetal development in some male mice
The immune-conflict between dam and fetus could help explain sex differences in neurodevelopmental conditions.
Post-infection immune conflict alters fetal development in some male mice
The immune-conflict between dam and fetus could help explain sex differences in neurodevelopmental conditions.
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Viviane Callier
26 February 2026 | 5 min read
Three ecological psychologists on the right and wrong ways to use the field’s principles in neuroscience
Matthieu de Wit, Luis H. Favela and Vicente Raja weigh in on the recent trend of neuroscientists importing concepts from ecological psychology, the study of how an organism’s interactions with its environment explain perception and action.
Three ecological psychologists on the right and wrong ways to use the field’s principles in neuroscience
Matthieu de Wit, Luis H. Favela and Vicente Raja weigh in on the recent trend of neuroscientists importing concepts from ecological psychology, the study of how an organism’s interactions with its environment explain perception and action.
By
Paul Middlebrooks
25 February 2026 | 1 min read