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
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
3 August 2026 | 8 min read
How thirteen-lined ground squirrels illuminate retinal development
In most mammalian retinas, rods outnumber cones. But that ratio is flipped in ground squirrels, a quirk that helps Seth Blackshaw explore how retinal cells develop their identities.
How thirteen-lined ground squirrels illuminate retinal development
In most mammalian retinas, rods outnumber cones. But that ratio is flipped in ground squirrels, a quirk that helps Seth Blackshaw explore how retinal cells develop their identities.
By
Sarah Thau
31 July 2026 | 5 min read
Highlights from the first-ever Neural Genetics and Epigenetics Gordon Research Conference
The meeting’s organizers recap the science to watch.
Highlights from the first-ever Neural Genetics and Epigenetics Gordon Research Conference
The meeting’s organizers recap the science to watch.
By
Francisco J. Rivera Rosario
30 July 2026 | 4 min read