soundscapes

The 10-minute birdsong reset, and why traffic cancels it
Two 2026 studies found 10 minutes of birdsong raised heart-rate variability and improved mood, and that road noise below WHO limits erased the gain.
Independent journalism on sound, waves and healing · updated daily
Tuesday, October 27, 2026 · The Sunday letter

Two 2026 studies found 10 minutes of birdsong raised heart-rate variability and improved mood, and that road noise below WHO limits erased the gain.