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 ...

While academic research shows high-pitched sounds in general can negatively affect pets, no studies exist that determine if, or to what extent, smart plugs specifically cause such problems. A ...

Need to reduce high-pitched noises? Science may have an answer. Theoretical physicists report that materials made from tapered chains of spherical beads could help dampen sounds that lie at the upper ...