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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Scientific talent is global. Access to the world’s scientific stage is not.
Neuroscience in Chile, and across Latin America, does not lack talent or ideas, but the systems that make science visible—prestigious journals, conferences and networks—increasingly price its researchers out.
Scientific talent is global. Access to the world’s scientific stage is not.
Neuroscience in Chile, and across Latin America, does not lack talent or ideas, but the systems that make science visible—prestigious journals, conferences and networks—increasingly price its researchers out.
By
Vicente Medel
3 August 2026 | 8 min read
How thirteen-lined ground squirrels illuminate retinal development
In most mammalian retinas, rods outnumber cones. But that ratio is flipped in ground squirrels, a quirk that helps Seth Blackshaw explore how retinal cells develop their identities.
How thirteen-lined ground squirrels illuminate retinal development
In most mammalian retinas, rods outnumber cones. But that ratio is flipped in ground squirrels, a quirk that helps Seth Blackshaw explore how retinal cells develop their identities.
By
Sarah Thau
31 July 2026 | 5 min read
Highlights from the first-ever Neural Genetics and Epigenetics Gordon Research Conference
The meeting’s organizers recap the science to watch.
Highlights from the first-ever Neural Genetics and Epigenetics Gordon Research Conference
The meeting’s organizers recap the science to watch.
By
Francisco J. Rivera Rosario
30 July 2026 | 4 min read