The human face is powered, depending on how you count them, by between 23 and 43 muscles, many of which attach to the skin, serving no obvious function for survival. An alien examining a human ...
All shelter pets deserve the best forever homes that can possibly be found for them. When you visit your local animal shelter ...
The face we present to the world is constantly changing as different combinations of its 42 muscles contract and contort it. Humans can produce thousands of distinct facial expressions ...