Leto Sapunar headshot

Leto Sapunar


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 AmericanInside Climate News and Retraction Watch, among other outlets.

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Illustration of scale balancing Petri dish and test tubes

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
Myelin research image.

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
Research image of genetic models

SHANK3-variant effects in primates, and more

Here is a roundup of autism-related news and research spotted around the web for the week of 25 May.

By Jill Adams
26 May 2026 | 2 min read