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.
Explore more from The Transmitter
Organoids missing the TSC2 gene form rogue astrocytes; and more
Here is a roundup of autism-related news and research spotted around the web for the week of 28 September.
Organoids missing the TSC2 gene form rogue astrocytes; and more
Here is a roundup of autism-related news and research spotted around the web for the week of 28 September.
By
Jill Adams
29 September 2026 | 2 min read
Cerebellar neurons reorient brain activity to differentiate similar behaviors
The findings provide a new perspective on how granule cells help to generalize learning across tasks.
Cerebellar neurons reorient brain activity to differentiate similar behaviors
The findings provide a new perspective on how granule cells help to generalize learning across tasks.
By
Holly Barker
29 September 2026 | 4 min read
Revisiting the neural correlates of consciousness
Life happens in real time, but experience may be composed in ragtime—like the music genre, full of offbeat notes and uneven rhythms. The assumption that waking life consists of a “stream” of conscious representations has inadvertently led consciousness science to its current impasse.
Revisiting the neural correlates of consciousness
Life happens in real time, but experience may be composed in ragtime—like the music genre, full of offbeat notes and uneven rhythms. The assumption that waking life consists of a “stream” of conscious representations has inadvertently led consciousness science to its current impasse.
By
Francis T. Fallon, Michael Pitts
28 September 2026 | 7 min read