Delia O’Hara


Delia O’Hara is an award-winning writer and journalist, a former longtime features reporter for the Chicago Sun-Times. Specialties include science, health care, profiles, education, history, culture and the arts for magazines and websites. She is presently a member of the National Association of Science Writers and the Association of Health Care Journalists. She is also a published short story writer. 

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Headshots of Karl Deisseroth, Peter Hegemann and Georg Nagel.

How Nobel Prize-winning optogenetics has revolutionized neuroscience

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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