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.
Marta Zaraska
From this contributor
Moving for autism care
Disparities in state services for autism are driving families to relocate. But not everyone can afford to move, and others find that their new home also has faults.
The problems with prenatal testing for autism
As prenatal testing improves, it presents a host of thorny issues — from what to test and how to interpret the results, to what to do about them.
The problems with prenatal testing for autism
By
Marta Zaraska
14 August 2019 | 12 min read
Europe’s race to ramp up genetic tests for autism
Many countries in Europe are reckoning with the growing demand for genetic tests for autistic people — and the accompanying ethical and scientific considerations.
Europe’s race to ramp up genetic tests for autism
By
Marta Zaraska
13 February 2019 | 14 min read
France faces down its outdated notions about autism
After lagging behind other countries for decades, France is working on a new national plan for autism.
France faces down its outdated notions about autism
By
Marta Zaraska
10 January 2018 | 18 min read
Explore more from The Transmitter
Genetic profiles separate early, late autism diagnoses
Age at diagnosis reflects underlying differences in common genetic variants and developmental trajectories among people with autism.
Genetic profiles separate early, late autism diagnoses
Age at diagnosis reflects underlying differences in common genetic variants and developmental trajectories among people with autism.
By
Natalia Mesa
27 November 2025 | 5 min read
To persist, memories surf molecular waves from thalamus to cortex
During the later stages of learning, the mouse brain progressively activates transcriptional regulators that drive memory consolidation.
To persist, memories surf molecular waves from thalamus to cortex
During the later stages of learning, the mouse brain progressively activates transcriptional regulators that drive memory consolidation.
By
Claudia López Lloreda
26 November 2025 | 4 min read
Sex hormone boosts female rats’ sensitivity to unexpected rewards
During the high-estradiol stages of their estrus cycle, female rats learn faster than they do during other stages—and than male rats overall—thanks to a boost in their dopaminergic response to reward, a new study suggests.
Sex hormone boosts female rats’ sensitivity to unexpected rewards
During the high-estradiol stages of their estrus cycle, female rats learn faster than they do during other stages—and than male rats overall—thanks to a boost in their dopaminergic response to reward, a new study suggests.
By
Angie Voyles Askham
26 November 2025 | 5 min read