Articles related to "Secondary Sex Characteristics"

From giant moose antlers to stunning peacock feathers, nature may owe a great deal of its beauty and diversity to the sexual impulse.

Transgender, Transsexual, Genderqueer, Cisgender. What does all this mean? Clearing up the confusion about these terms and more.

Why do looks matter? One reason is biology. Looks help animals attract potential mates and intimidate competition of potential mates.

The ever-increasing list of terms used to describe gender identity may be confusing to the average person, but this brief primer will make them easy to understand & use.