New research shows that the harbor porpoise, a small whale native to Danish waters, appears to be equipped with an inbuilt "ea muffs" that helps it shield itself from intense noise, such as that from ...

High-frequency electrical 'noise' may result in congenital night blindness Date: May 17, 2024 Source: Johns Hopkins Medicine Summary: In what they believe is a solution to a 30-year biological mystery ...

Horses use their larynx to make two sounds simultaneously, so they are effectively singing and whistling at the same time ...

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." ...

A metamaterial elongates the propagation path of sound waves, allowing low-frequency noise control without the need for bulky materials.