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

Brainstem neurons add new element to ‘already complex’ anxiety circuitry

Precise optogenetic modulation of a medullary neuron population reveals their role in anxiety-like behaviors.

By Sarah Thau
19 August 2026 | 0 min watch
Illustration of an open journal featuring lines of text and small illustrations of eyes and mouths.

Links between tuberous sclerosis complex and autism, and more

Here is a roundup of autism-related news and research spotted around the web for the week of 17 August.

By Jill Adams
18 August 2026 | 1 min read