As much as we would like to, we don't have all the answers.

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, ...

Five vital organs are essential for life, but survival is more medically complex. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. In the classic ...

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 ...

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 is a marvel of engineering, but it’s a machine that requires maintenance and repair. At times, that means trying to replace parts lost to injury or illness. The oldest known prosthesis ...

Have you ever felt like there was a pit in your stomach? What about a flutter in your heart? It turns out that the anatomical connections we make with certain emotions and feelings — what researchers ...

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...