Italy's Phlegraean Fields is a hotspot of volcanic activity—an ever-shifting landscape pocketed with acidic hot springs. This ...

Researchers have analyzed the soft tissue from a fossilized plesiosaur for the first time. The results show that the long-necked marine reptile had both smooth and scaly skin. This was likely so it ...

Male ruffs have the ability to eliminate excess sex hormones from their bloodstream. We often associate high testosterone ...

Your body produces it when your skin is in the sun or when you eat vitamin-D-rich foods. It can be hard to notice a vitamin D deficiency because it sometimes yields no symptoms. One study found ...

Medically reviewed by Alicen Nelson MD, MPH The navel, also known as the belly button or umbilicus, is a small, round, or ...

It's done by gently pinching the skin and fat under the skin on several body parts. This type of measurement is accurate. However, there is a large possibility of "user error" if the person performing ...

The overall average body fat percentage in the United States is about 39.9% for women and 28.1% for men, so below these amounts would technically be “below average.” However, most people in the United ...

body parts, bones and muscles that make up the human anatomy. Your fleshy body has evolved over millions of years, and this is the science changing the way we understand it. Why your brain won't shut ...