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
Explore more from The Transmitter
What leeches reveal about movement
Lidia Szczupak turned to the animals to explore how the nervous system coordinates movement.
What leeches reveal about movement
Lidia Szczupak turned to the animals to explore how the nervous system coordinates movement.
By
Claudia López Lloreda
27 August 2026 | 6 min read
By
Keerthana Iyer, Arish Mudra Rakshasa-Loots, Ana Silva, Violetta Zujovic
27 August 2026
6 min read
Redefining underrepresentation in global neuroscience
Shifting the focus of equity initiatives from identity categories to structural barriers can reveal overlooked challenges and increase support and participation worldwide.
Redefining underrepresentation in global neuroscience
Shifting the focus of equity initiatives from identity categories to structural barriers can reveal overlooked challenges and increase support and participation worldwide.
By
Keerthana Iyer, Arish Mudra Rakshasa-Loots, Ana Silva, Violetta Zujovic
27 August 2026 | 6 min read
Scientific talent is global. Access to the world’s scientific stage is not.
Neuroscience in Chile, and across Latin America, does not lack talent or ideas, but the systems that make science visible—prestigious journals, conferences and networks—increasingly price its researchers out.
Scientific talent is global. Access to the world’s scientific stage is not.
Neuroscience in Chile, and across Latin America, does not lack talent or ideas, but the systems that make science visible—prestigious journals, conferences and networks—increasingly price its researchers out.
By
Vicente Medel
27 August 2026 | 8 min read