Sarah DeWeerdt is a Seattle-based freelance science writer specializing in biology, medicine and the environment. Her work has appeared in publications including Nature, Newsweek, Conservation and Nautilus. She has been a regular contributor to The Transmitter since 2010, writing conference reports, news and Deep Dive articles.
Sarah DeWeerdt
Contributing writer
From this contributor
Climate neuroscience needs ‘integration’ and ‘guided’ research
Five years after a groundbreaking paper, can a young field move beyond piecemeal studies?
Climate neuroscience needs ‘integration’ and ‘guided’ research
By
Sarah DeWeerdt
21 August 2026 | 7 min read
Novel assembloid illuminates serotonin changes linked to 22q11.2 deletion
The combination of a serotonin-producing organoid with an organoid based on the developing cerebral cortex offers a new way to investigate neuromodulation.
Novel assembloid illuminates serotonin changes linked to 22q11.2 deletion
By
Sarah DeWeerdt
30 April 2026 | 0 min watch
Ramping up cortical activity in early life sparks autism-like behaviors in mice
The findings add fuel to the long-running debate over how an imbalance in excitatory and inhibitory signaling contributes to the autism.
Ramping up cortical activity in early life sparks autism-like behaviors in mice
By
Sarah DeWeerdt
30 October 2025 | 6 min read
Neurons fuel lung tumors that have spread to brain
Functional synapses between brain cells and cancer cells are key to the metastatic growth, according to new findings from two independent teams.
Neurons fuel lung tumors that have spread to brain
By
Sarah DeWeerdt
6 October 2025 | 6 min read
Assembloids illuminate circuit-level changes linked to autism, neurodevelopment
These complex combinations of organoids afford a closer look at how gene alterations affect certain brain networks.
Assembloids illuminate circuit-level changes linked to autism, neurodevelopment
By
Sarah DeWeerdt
19 December 2024 | 0 min watch
Explore more from The Transmitter
Future remains uncertain for U.S. federal funding of behavioral, cognitive science
The National Science Foundation did not include any solicitations for its social, behavioral and economic sciences directorate in its latest round of funding opportunities, nor replace any outgoing program officers—which poses an existential threat for the program, says nonprofit executive Wendy Naus.
Future remains uncertain for U.S. federal funding of behavioral, cognitive science
The National Science Foundation did not include any solicitations for its social, behavioral and economic sciences directorate in its latest round of funding opportunities, nor replace any outgoing program officers—which poses an existential threat for the program, says nonprofit executive Wendy Naus.
By
Calli McMurray
26 August 2026 | 5 min read
How energy determines where proteins are produced in neurons
Tatjana Tchumatchenko explains how mathematical modeling elucidates whether ion-channel proteins are produced locally in the soma or in the dendrites.
How energy determines where proteins are produced in neurons
Tatjana Tchumatchenko explains how mathematical modeling elucidates whether ion-channel proteins are produced locally in the soma or in the dendrites.
By
Gaute Einevoll
26 August 2026 | 104 min listen
Wouldn’t you like to know? A mouse would
Mice seek information for curiosity’s sake—and their desire for knowledge versus a payout is represented distinctly in the brain, new findings suggest.
Wouldn’t you like to know? A mouse would
Mice seek information for curiosity’s sake—and their desire for knowledge versus a payout is represented distinctly in the brain, new findings suggest.
By
Sarah Thau
26 August 2026 | 5 min read