Discover the three main types of muscle in the human body and their distinct functions.

Run a finger down the center of the forearm, curl the fingers, and flex the wrist. For many people, a thin cord jumps into ...

Whether you’re a beginner or an experienced athlete, these exercises can be tailored to your level and equipment availability ...

Despite its importance, the heart is one of the few tissues in the human body that can't repair damage very well – or at ...

It might be more than you think.

THERE are a few body parts that remain the same size from the moment we’re born until the end of our lives. The human body is ...

NASA astronaut Sunita Williams has officially announced her retirement after a remarkable 27-year career in human spaceflight. Her time with NASA included three long missions to the International ...

To build muscle mass, you need around 0.5–0.9 grams of protein per pound of body weight per day. Here's why and other factors ...

The students in Bostian Elementary School science teacher Brandy Hunt’s class got a hands-on lesson about what happens after ...

Facial mimicry refers to automatic copying of another person’s facial expressions. When one person smiles, a listener may copy that smile without effort or awareness. Similar copying happens with ...

Pennington Biomedical researchers have investigated the systems of the body that regulate weight, exploring whether our ...