Leto Sapunar is a freelance science journalist covering physics, space, climate and science accountability since 2020. He has been writing for Popular Science since early 2021, and his work can also be found in Scientific American, Inside Climate News and Retraction Watch, among other outlets.
Leto Sapunar
From this contributor
Pinning hope to ketamine
Doctors can prescribe it, but evidence that ketamine eases autism traits is still preliminary.
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PIEZO channels are opening the study of mechanosensation in unexpected places
The force-activated ion channels underlie the senses of touch and proprioception. Now scientists are using them as a tool to explore molecular mechanisms at work in internal organs, including the heart, bladder, uterus and kidney.
PIEZO channels are opening the study of mechanosensation in unexpected places
The force-activated ion channels underlie the senses of touch and proprioception. Now scientists are using them as a tool to explore molecular mechanisms at work in internal organs, including the heart, bladder, uterus and kidney.
By
Calli McMurray
30 January 2026 | 6 min read
Latest iteration of U.S. federal autism committee comes under fire
The new panel “represents a radical departure from all past rosters,” says autism researcher Helen Tager-Flusberg.
Latest iteration of U.S. federal autism committee comes under fire
The new panel “represents a radical departure from all past rosters,” says autism researcher Helen Tager-Flusberg.
By
Angie Voyles Askham
29 January 2026 | 9 min read
‘Tour de force’ study flags fount of interneurons in human brain
The newly discovered cell type might point to the origins of the inhibitory imbalance linked to autism and other conditions.
‘Tour de force’ study flags fount of interneurons in human brain
The newly discovered cell type might point to the origins of the inhibitory imbalance linked to autism and other conditions.
By
Holly Barker
29 January 2026 | 4 min read