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

Photo collage featuring Tempest McDonald.

When autistic kids grow up, Chapter 3: Would there be data?

Tempest McDonald takes a postdoctoral position at Vanderbilt University. Researching her paper accusing the National Institutes of Health of discrimination threatens everything she has built.

By Brady Huggett
18 June 2026 | 27 min listen
Two infants.

Cousin comparison parses genetic effects in autism

The approach helps reveal whether maternal genes contribute directly to autism in children or have indirect effects on the prenatal environment.

By Charles Q. Choi
18 June 2026 | 4 min read
A white brain model is surrounded by bright, detached sensory organs mounted on colorful wires.

Single-neuron recordings zoom into ‘blurry map’ of human motor cortex

The motor cortex is organized into an "intermixed jumble of tiles" to generate meaningful movement.

By Claudia López Lloreda
17 June 2026 | 5 min read