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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Supported by a $40 million NIH grant, Yale brain shuttle technology raises questions
Yale University claims its STEP platform might be able to deliver gene-editing tools into the brain via multiple routes. Researchers are eager to see more.
Supported by a $40 million NIH grant, Yale brain shuttle technology raises questions
Yale University claims its STEP platform might be able to deliver gene-editing tools into the brain via multiple routes. Researchers are eager to see more.
By
Natalia Mesa
3 June 2026 | 11 min read
What counts as a ‘naturalistic’ behavior?
Nedah Nemati explains how neuroscience methods and the lived experience of the scientists themselves shape how we define the behaviors we seek to explain.
What counts as a ‘naturalistic’ behavior?
Nedah Nemati explains how neuroscience methods and the lived experience of the scientists themselves shape how we define the behaviors we seek to explain.
By
Paul Middlebrooks
3 June 2026 | 1 min read
Allen Institute sets sights on treatments for five brain diseases
The Brain Health Accelerator program aims to harness single-cell transcriptomics and cell-type-specific genetic tools to develop treatments for Alzheimer’s, Huntington’s and Parkinson’s diseases, Lewy body dementia and ALS.
Allen Institute sets sights on treatments for five brain diseases
The Brain Health Accelerator program aims to harness single-cell transcriptomics and cell-type-specific genetic tools to develop treatments for Alzheimer’s, Huntington’s and Parkinson’s diseases, Lewy body dementia and ALS.
By
Calli McMurray
2 June 2026 | 5 min read