Headshot of Brendan Borrell.

Brendan Borrell

Contributing writer

Brendan Borrell is a freelance journalist based in Los Angeles, California. His stories have appeared in The Atlantic, The New York Times, Bloomberg Businessweek, Outside, National Geographic and many other publications. He is the author of “The First Shots: The Epic Rivalries and Heroic Science Behind the Race to the Coronavirus Vaccine,” and he has a Ph.D. in integrative biology from the University of California, Berkeley.

From this contributor

Explore more from The Transmitter

New projectome captures ‘complex beast’ of serotonin system in mice

The whole-brain map—the first of its kind in a vertebrate—identifies five distinct neuron groups.

By Madeline Shaw
2 October 2026 | 0 min watch
Research image showing a grid of MRI images.

Silent, motion-resistant fMRI expands scans in behaving mice

The method, called SORDINO, captures brain images in animals while they move and interact.

By Diana Kwon
2 October 2026 | 5 min read
Illustration of DNA with genetic code.

Autism-linked variants converge on two molecular patterns in mouse brains

Gene activity across 17 autism mouse models occurs in either of two opposing transcriptomic states, supporting the idea that diverse genetic changes may converge on a few recurring biological patterns.

By Giorgia Guglielmi
1 October 2026 | 4 min read