دانشمندان مواد تشکیل دهنده کلیدی را کشف کردند که آواز پرندگان را زیبا می کند

Scientists discover the key ingredients that make birdsong pretty

What makes birdsong beautiful? Answering this question could help us understand how soundscapes make the natural world relaxing for humans, opening the door to improving parks, upgrading the design of stressful places like waiting rooms and promoting conservation through birds with especially lovely songs.