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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In memoriam: Susumu Tonegawa, ‘intellectual giant’
He won the Nobel Prize for his work on immunology and then went on to define the field of learning and memory.
In memoriam: Susumu Tonegawa, ‘intellectual giant’
He won the Nobel Prize for his work on immunology and then went on to define the field of learning and memory.
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Claudia López Lloreda
17 July 2026 | 6 min read
How BCIs reveal the speaking brain
Long-term implants provide an opportunity to study how speech arises in everyday life.
How BCIs reveal the speaking brain
Long-term implants provide an opportunity to study how speech arises in everyday life.
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Claudia López Lloreda, Rebecca Horne
17 July 2026 | 1 min read
Purkinje cells evolved to have increasingly complex architecture
An increasing proportion of the cerebellar neurons acquired multiple primary dendrites in humans and other apes, according to a comparison of 11 primate species.
Purkinje cells evolved to have increasingly complex architecture
An increasing proportion of the cerebellar neurons acquired multiple primary dendrites in humans and other apes, according to a comparison of 11 primate species.
By
Siddhant Pusdekar
16 July 2026 | 5 min read