Brooke Borel

Science writer, journalist, author.

Brooke Borel is a science writer, journalist, and author. She’s a contributing editor at Popular Science and she has also written for the Atlantic, Slate, and PBS’s NOVA Next, among others. Her first book, Infested: How the Bed Bug Infiltrated Our Bedrooms and Took Over the World published in 2015.

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Illustration of two cats jumping to opposite buildings in a city.

Is confidence a second thought—or part of the first one?

In some settings, neural circuits may calculate confidence in a decision simultaneously with the choice itself. That changes the types of questions researchers should ask.

By Ariel Zylberberg
5 October 2026 | 6 min read
Illustration of a plate with a cherry in front of a computer server.

What AI can learn from hunger

To enhance AI safety, take a lesson from biological brains; a small set of wants maintains durable control over a much larger cognitive system.

By Anthony Zador
5 October 2026 | 6 min read

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