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 ...

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 ...

Bats are some of the most highly specialized mammals to have ever evolved. This includes not only the evolution of active flight, but also their echolocation. This ability requires the bats to produce ...

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

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

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." ...