Engineers reinvent the 5,000-year-old gear using fluids instead of solid teeth.

Lymphatic drainage massage helps reduce swelling, improve circulation, and may minimize puffiness in the skin. At-home lymphatic drainage can achieve similar benefits as professional treatments but ...

When your doctor thinks you might have an infection or an allergy, a simple blood test should give answers within hours. But for much of the world, that test can take days—or never happen at all. The ...

There are various types of body composition tests (more on these below). Still, each one measures the percentages of fat and fat-free mass (muscle and bone) in the body. Knowing these percentages can ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Jennifer G. Sullivan Jennifer G. Sullivan is an editor overseeing beauty and ...

Learn how to turn leftover acrylic skins into one-of-a-kind pendants! This tutorial walks you through every step of making fluid art jewelry that’s both stunning and sustainable. Perfect for gifts or ...

Some people check a wristwatch; others use a smartphone app or the position of the sun. But although these methods will tell you what time it is, they won’t reveal your internal time – that is, the ...

Caroline Cohen, Ph.D., RD, a dietitian and assistant professor in the University of Alabama at Birmingham Department of Family and Community Medicine, says hydration and electrolyte status are key ...

Scientists have detected microplastics — the tiny and pervasive fragments now found in our seas, drinking water, food and, increasingly, living tissue — in human semen and follicular fluid, according ...