Headshot of Peter Hess.

Peter Hess

Former news writer
Spectrum

Peter Hess was a reporter for Spectrum from 2019 to 2023, where he covered cannabinoids, autism prevalence, social hormones and other topics. Before joining Spectrum in 2019, he was associate science editor at Inverse, where he wrote and edited stories for a broad audience on a wide range of scientific topics, including drugs, evolution and environmental science. His work has also appeared in The Washington Post, New Scientist, Popular Science and Motherboard. Peter has an M.A. in science journalism from New York University’s Science, Health and Environmental Reporting Program. Find him on Twitter at @PeterNHess.

From this contributor

Explore more from The Transmitter

Cortical organoids from the anterior (green) or posterior (red) cortex.

Polarized cortical organoids mimic the brain’s regional organization

The organoids show region-specific gene-expression changes that match those observed during fetal development.

By Holly Barker
24 September 2026 | 4 min read
Research diagram of gene expression.

Prefrontal cortex has three transcriptomic acts across human lifespan, new atlas suggests

Various genes show distinct exits and entrances with age in the open-source dataset, the largest of its kind to date.

By Siddhant Pusdekar
23 September 2026 | 5 min read

Microglia scoop out garbage from inside neurons

Through a newly identified process called skoupocytosis, neurons recruit the immune cells to remove cellular waste they find hard to deal with themselves.

By Siddhant Pusdekar
23 September 2026 | 0 min watch