Have you ever thought about what a bird sounds like? You’re probably assuming I’m referring to a bird’s audible song, but what if I told you there was more than one way to ‘hear’ an object? What if it ...

Dear Doctors: Our sound machine died, and my husband is shopping for a new one. It made sounds like rain and surf, which helped both of us sleep. The ads for some of the new machines talk about ...

Reporting in The Journal of Physical Chemistry B, researchers were surprised to find that different frequencies of sound produced different patterns in a color-changing liquid. Studying reactions like ...