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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Bringing basic biology back to INSAR
As the International Society for Autism Research has grown over the past two decades, basic science has become less central, Christine Wu Nordahl says. This year, she and other meeting organizers aimed to change that.
Bringing basic biology back to INSAR
As the International Society for Autism Research has grown over the past two decades, basic science has become less central, Christine Wu Nordahl says. This year, she and other meeting organizers aimed to change that.
By
Diana Kwon
28 May 2026 | 6 min read
Every neuroscience lab needs an ethicist
The ethics issues that arise in neuroscience research are usually novel, unresolved and understudied. Embedding ethicists in labs helps scientists navigate these challenges and develop strategies in real time to prevent harm.
Every neuroscience lab needs an ethicist
The ethics issues that arise in neuroscience research are usually novel, unresolved and understudied. Embedding ethicists in labs helps scientists navigate these challenges and develop strategies in real time to prevent harm.
By
Timothy E. Brown
27 May 2026 | 5 min read
Beyond glucose: The brain may feed itself
Myelin may serve as an energy reserve for the brain, according to recent findings, prompting neuroscientists to rethink how the brain stores, shares and protects energy.
Beyond glucose: The brain may feed itself
Myelin may serve as an energy reserve for the brain, according to recent findings, prompting neuroscientists to rethink how the brain stores, shares and protects energy.
By
Carlos Matute
26 May 2026 | 6 min read