The Kinsey Scale, also known as the Heterosexual-Homosexual Rating Scale, is one of the oldest and most widely used scales to describe sexual orientation. Though outdated, the Kinsey Scale was ...

There are a number of ways to measure the magnitude of an earthquake. Most scales are based on the amplitude of seismic waves recorded on seismometers. These scales account for the distance between ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Seth Berkman Seth Berkman is a fitness writer. He incorporates testing into ...