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.

From this contributor

Explore more from The Transmitter

Illustration of two planet-like spheres orbiting one another.

Can AI do neuroscience without understanding?

Prediction without understanding sustained astronomy through a thousand years of epicycles. Artificial intelligence is now offering neuroscience the same deal.

By Anthony Zador
27 April 2026 | 6 min read
Hands cut a ribbon.

What Trump’s psychedelics executive order means for basic neuroscience

The order provides a potential path to remove some psychedelic drugs from the strictest regulatory category, yet it “may not be the breakthrough the basic research community has been looking for,” says neuroscientist Shawn Lockery.

By Calli McMurray
24 April 2026 | 4 min read
Research image visualizing neuronal activity.

Switching neural code may solve ongoing face-recognition debate

Face patch cells in macaque monkeys initially respond to images of any object but rapidly transition to attend to faces exclusively, a new study finds.

By Holly Barker
23 April 2026 | 5 min read