Marta Zaraska


Marta Zaraska is a freelance science journalist whose work has appeared in The Washington Post, Scientific American and The Boston Globe, among other publications. She has written two literary novels and contributed to two travel books published by National Geographic. Her nonfiction book “Meathooked: The History and Science of Our 2.5-Million-Year Obsession With Meat,” was published in 2016 by Basic Books and chosen by Nature as one of “the best science picks” in March 2016.

From this contributor

Explore more from The Transmitter

Structural MRI scans of people with Alzheimer’s disease and depression.

Neuropsychiatric MRI brain signatures fail reproducibility test

Small neuroimaging studies are unlikely to capture consistent anatomical changes related to conditions such as autism, schizophrenia and mood disorders, according to a new “wake-up call” study.

By Holly Barker
12 August 2026 | 5 min read
Research image of astrocytes.

Three models, three routes to altered auditory processing, and more

Here is a roundup of autism-related news and research spotted around the web for the week of 10 August.

By Jill Adams
11 August 2026 | 2 min read

Optimized two-photon microscopy enables voltage imaging at multiple depths

The tool could reveal how information flows within and between cortical layers during neural processing.

By Simon Makin
11 August 2026 | 4 min read