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 PostNew ScientistPopular 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

Novel assembloid illuminates serotonin changes linked to 22q11.2 deletion

The combination of a serotonin-producing organoid with an organoid based on the developing cerebral cortex offers a new way to investigate neuromodulation.

By Sarah DeWeerdt
30 April 2026 | 0 min watch
Conference attendees

Reporter’s notebook: Highlights from INSAR 2026

At the 25th annual meeting of the International Society for Autism Research, scientists, clinicians and self-advocates gathered to discuss topics such as autism genetics and the gap between clinical trials and real-world benefits.

By Diana Kwon
30 April 2026 | 6 min read
Illustration of hand with letter.

Scientists push back against stricter European Research Council grant application rules

In an open letter, scientists call the ERC’s suggestion to block grant reapplications for an additional year “at odds with scientific excellence.”

By Lauren Schenkman
29 April 2026 | 5 min read