Frequency is measured by the rate at which the vocal cords vibrate. We hear frequency as pitch. The laughter in some men can be as high as a soprano’s high C, and in women, laughter can reach the pitch of an octave higher than that.
What is RSS? RSS makes it possible to subscribe to a website's updates instead of visiting it by delivering new posts to your RSS reader automatically. Choose to receive some or all of the updates from A Moment of Science:
A Moment of Science is a daily audio podcast, public radio program and video series providing the scientific story behind some of life's most perplexing mysteries. Learn More »