Five vital organs are essential for life, but survival is more medically complex.

Rachel Feltman: For Scientific American’s Science Quickly, I’m Rachel Feltman. Humans have been trying to replace ailing parts of our bodies for thousands of years, turning to prosthetic limbs, ...

Medical sculptor Damon Coyle walks around with a Mary Poppins bag of body parts. Fake ones, that is. At the University of Missouri, his lab creates hyperrealistic body parts designed to help medical ...

The human body also regenerates, in short, dead cells are replaced by newly produced ones. In humans, for example, this is the case in the intestinal mucosa or the liver. However, other creatures have ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Our bodies are like museums of evolution. We walk on two legs ...

“You’re glowing” is a well-known complimentary phrase meant to convey a perceived level of health, happiness, or other biological condition—pregnancies often inspire the platitude, for example. But in ...