Tattoo pain varies depending on sex, pain threshold, and age. However, in general, the most painful areas are those with ...

A proper fitting condom should cover the entire length of the penis while leaving a bit of extra room at the tip for ejaculation.

“Like riding a bike” is shorthand for the remarkable way that our bodies remember how to move. Most of the time when we talk ...

In Yunnan province, China, a new species of snake called Hebius shantianfangi, or Shan's keelback snake, was discovered near ...