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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Brain registers spatial location outside hippocampus
A more complex picture of how an animal’s brain tracks its location is starting to emerge.
Brain registers spatial location outside hippocampus
A more complex picture of how an animal’s brain tracks its location is starting to emerge.
By
Natalia Mesa
5 November 2026 | 1 min watch
The three-banded panther worm is rewriting the story of brain evolution
The animal has a brain structure all its own, according to a 2026 preprint. The finding hints that brains could have evolved centralization before regionalization.
The three-banded panther worm is rewriting the story of brain evolution
The animal has a brain structure all its own, according to a 2026 preprint. The finding hints that brains could have evolved centralization before regionalization.
By
Sarah DeWeerdt
4 November 2026 | 7 min read
Does cognition happen in brain areas or between them?
Michael Cole explains how "brain flows" are the fundamental units of brain function and cognition.
Does cognition happen in brain areas or between them?
Michael Cole explains how "brain flows" are the fundamental units of brain function and cognition.
By
Paul Middlebrooks
4 November 2026 | 1 min read