Helen Pearson is a science writer based in New York City.
Helen Pearson
Freelance writer
Simons Foundation
From this contributor
Father’s advanced age feeds autism risk
Are older fathers more likely to have children with autism? A series of epidemiological studies is giving credence to the idea, suggesting that, with age, sperm may accumulate damage that increases risk in the next generation.
Sense of ‘self’ impaired in autism
People with autism struggle to see their own role in social situations. That's the conclusion from the first study to scan individualsʼ brains while they interact with another person - a technique that could lead to a diagnostic tool.
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Organoid study reveals shared brain pathways across autism-linked variants
The genetic variants initially affect brain development in unique ways, but over time they converge on common molecular pathways.
Organoid study reveals shared brain pathways across autism-linked variants
The genetic variants initially affect brain development in unique ways, but over time they converge on common molecular pathways.
By
Giorgia Guglielmi
19 February 2026 | 4 min read
Single gene sways caregiving circuits, behavior in male mice
Brain levels of the agouti gene determine whether African striped mice are doting fathers—or infanticidal ones.
Single gene sways caregiving circuits, behavior in male mice
Brain levels of the agouti gene determine whether African striped mice are doting fathers—or infanticidal ones.
By
Natalia Mesa
18 February 2026 | 6 min read
Inner retina of birds powers sight sans oxygen
The energy-intensive neural tissue relies instead on anaerobic glucose metabolism provided by the pecten oculi, a structure unique to the avian eye.
Inner retina of birds powers sight sans oxygen
The energy-intensive neural tissue relies instead on anaerobic glucose metabolism provided by the pecten oculi, a structure unique to the avian eye.
By
Federica Sgorbissa
18 February 2026 | 4 min read