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
Diverse autism genes derail common developmental pathways
Multiple genetic mouse models initially show delayed cortical development, but the animals’ molecular trajectories diverge within weeks after birth, a new study finds.
Diverse autism genes derail common developmental pathways
Multiple genetic mouse models initially show delayed cortical development, but the animals’ molecular trajectories diverge within weeks after birth, a new study finds.
By
Holly Barker
8 July 2026 | 5 min read
Brain’s sex differences are subtle and contradictory, large MRI study finds
Sex-based behavioral differences do not match with variations in brain activation or structure in a study of almost 1,000 people.
Brain’s sex differences are subtle and contradictory, large MRI study finds
Sex-based behavioral differences do not match with variations in brain activation or structure in a study of almost 1,000 people.
By
Lauren Schenkman
8 July 2026 | 5 min read
A consensus on the definition of profound autism, and more
Here is a roundup of autism-related news and research spotted around the web for the week of 5 July.
A consensus on the definition of profound autism, and more
Here is a roundup of autism-related news and research spotted around the web for the week of 5 July.
By
Sarah Thau
7 July 2026 | 2 min read