Our hearing picks up a limited range of sounds, limits that were used successfully to keep teenagers from congregating outside British grocery stores by a device called the “teenage sound repeller." ...

(CN) — Scientists have discovered two distinct subspecies of fork-tailed flycatchers that communicate with each other by producing a high-pitched frequency with their feathers — and exhibit regional ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? High-tech skincare can be a game-changer for your beauty routine, but ...