The ancient Greeks knew a thing or two about, well, about a lot of things. For example, they built outdoor amphitheaters with amazing acoustics.
Babies cry. In fact, babies cry more in their first three months of life than at any other time. How much crying is normal? What amount is too much? By too much, I don’t mean too much for your ears to take, but excessive to the point of being symptomatic of something serious? Learn more on this Moment of Science.
Did you know your right and left ears process sound differently? Learn more on this Moment of Science.
Are you a fan of music? Having trouble locating some of your favorite oldies? Learn about the coming of digital music on this Moment of Science.
Learn how human behavior is subtly altering the behavior of other species. "Chirp it Up" on this Moment of Science.
Unlike waves on a lake, sound waves don’t travel up and down. Instead they’re more like layers of high and low pressure traveling outward in all directions. Each wave consists of a layer of high pressure followed by a layer of low pressure.