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. 

From this contributor

Explore more from The Transmitter

Collage with a portrait of Caitlin Vander Weele in the foreground.

Frameshift: How Caitlin Vander Weele made science communication her business

Her favorite part of research was talking about it. So she left academia and turned that passion into a successful company.

By Katie Moisse
19 March 2026 | 6 min read
Research image of senescing cells.

Signs of aging vary across brain cells

Senescence presents differently depending on the cell type, toxic trigger and neighboring cells, two new studies find.

By Claudia López Lloreda
18 March 2026 | 4 min read
A computer cursor hovers over distorted data.

Neuroscientists challenge NIH’s proposed human-data access policy

The changes would restrict the sharing of human neuroimaging, transcriptomic and genetic data.

By Claudia López Lloreda
17 March 2026 | 5 min read