We can hear sounds because our ears turn sound vibrations from the air, into signals that are sent to our brain. We can’t hear all levels of sounds. Sound waves with very high frequencies are ...

It is fascinating that the tiny bones in the middle ear appear to have evolved from gills that were no longer needed. Figure 2 shows the path that sound waves follow from the sound source where they ...

In an effort to better understand how the inner ear can hear the quietest of noises, researchers from Yale University ...

On the Impulses of Compound Sound Waves and their Mechanical Transmission through the Ear. By Sir Thomas Wrightson, Bart. Pp. 40, and portfolio of diagrams. (London: Thomas Kell and Son ...

Thousands of marine species from microscopic zooplankton to the largest cetaceans rely on sound for survival and many have evolved unique oral and aural adaptations. Understanding them better could ...

Cold water swimming, paddleboarding and surfing are all popular pastimes— with millions of people in the UK regularly ...

Next and last stop, the middle ear. We are now looking at an actual eardrum. The eardrum's a thin piece of skin, and other tissues, stretched tight like a drum. When sound waves hit the eardrum ...

Hearing someone across a crowded room can be close to impossible thanks to the way sound waves spread ... stream that can be fired at a person’s ears in much the same way that a laser pointer ...

Animals such as dogs and rabbits perk up or twitch their ears in response to sound. This movement focuses sound on the animal's eardrum, which is important for accurately identifying and ...