Following is a transcript of the video. Narrator: We have noses to smell, eyes to see, and ears to hear, right? Well, actually, your ears are responsible for much more than just hearing.

“If we can engineer an ear, that would be a better approach.” Spector’s team used 3D printing to create an anatomically accurate template of a human ear from polylactic acid bioink, a biocompatible ...

The human ear can tolerate noise up to 85 decibels without ... It happened here at P.S. 98 in New York City. The east side of the building faces the subway. When trains passed, the noise pollution ...