Maris Fessenden is a freelance journalist and illustrator based in Bozeman, Montana. They report and write about scientific methods, genetics, health, wildlife and ecology, and the intersection of science and art.
Maris Fessenden
Contributing writer
Freelance
From this contributor
Lightweight system captures brain activity while mice jump
A thin “micro-tether” and rotating connector facilitate uninterrupted, hours-long neural population recordings as the animals freely explore their environment.
Lightweight system captures brain activity while mice jump
By
Maris Fessenden
26 September 2023 | 0 min watch
Atlas of developing brain reveals rainbow of cell types
An online resource reveals all major cell types in the developing human brain during the period in which autism is thought to arise.
Atlas of developing brain reveals rainbow of cell types
By
Maris Fessenden
20 September 2019 | 2 min read
New method dramatically scales up mapping of active genes in cells
A new technique enables scientists to isolate, and chart gene expression in, tens of thousands of cells at once.
New method dramatically scales up mapping of active genes in cells
By
Maris Fessenden
23 August 2019 | 2 min read
Online platform offers one-stop shop for studying brain circuits
A browser-based platform simulates functional neuronal circuits in the brain regions of several species.
Online platform offers one-stop shop for studying brain circuits
By
Maris Fessenden
2 August 2019 | 2 min read
Database, lab tricks may crack secrets of the synapse
Two new resources may aid the study of synapses, the junctions between neurons.
Database, lab tricks may crack secrets of the synapse
By
Maris Fessenden
19 July 2019 | 2 min read
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Two years into one of the most tumultuous tenures in U.S. federal funding, researchers outline how they are coping with ongoing changes and reflect on the impact these changes are having on the system more broadly.
Amid funding uncertainty, neuroscientists report a mix of cynicism, persistence
Two years into one of the most tumultuous tenures in U.S. federal funding, researchers outline how they are coping with ongoing changes and reflect on the impact these changes are having on the system more broadly.
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28 August 2026 | 5 min read
Reimagining Mexico’s brain bank
Since Alzheimer’s disease researcher José Luna-Muñoz assumed leadership of the facility—Latin America’s oldest—in 2011, he has been acquiring additional tissue types and is working to expand donor recruitment to rural areas.
Reimagining Mexico’s brain bank
Since Alzheimer’s disease researcher José Luna-Muñoz assumed leadership of the facility—Latin America’s oldest—in 2011, he has been acquiring additional tissue types and is working to expand donor recruitment to rural areas.
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Alejandra Manjarrez
28 August 2026 | 7 min read
Revealing how crabs make their escape
Houdini-like Neohelice granulata offers a rare opportunity to record intracellularly from awake, behaving animals.
Revealing how crabs make their escape
Houdini-like Neohelice granulata offers a rare opportunity to record intracellularly from awake, behaving animals.
By
Natalia Mesa
28 August 2026 | 0 min watch