Science
What is an itch, and why can a simple touch calm it?
New Scientist’s Last Word series delved into the science of itching, explaining the physiological processes that cause itches and how touching can provide relief. The discussion covered neurological mechanisms.
Coverage timeline — 1 article
New Scientist
This question was posed as part of New Scientist’s Last Word series, in which readers give scientific answers to each other’s questions. Here’s what our readers had to say
2026-09-23 17:00 UTC