When the human body gets hurt, most tissues heal—skin closes over a wound, bone heals itself. But not all organs heal that ...

In “Replaceable You,” Mary Roach describes mind-boggling efforts to replace human body parts—and why it’s proven to be so ...

Smithsonian biologists are using heart monitors designed for humans to study how high stress levels in animals can hinder ...

We all know there's a heart in the body; we've been reading about it since childhood. As long as it beats, humans live. Let's ...

University of Cambridge scientists have used human stem cells to create three-dimensional embryo-like structures that ...

Zone 2 cardio, however, is all about the intensity of your workout, not the workout itself. If walking is not your preferred ...

Scientists hope to prevent deaths from climate change, but heat and cold are more complicated than we thought.

As a kid of the 1970s, Mary Roach sat in front of the TV watching “The Six Million Dollar Man” promise a techno-rebirth. “We can rebuild him,” the narrator intoned. “Better than he was before. Better.

University of Cambridge scientists have used human stem cells to create three-dimensional embryo-like structures that ...

RELMy from immune cells disrupts heart rhythm after heart attacks. Blocking it may improve survival. In a new study published in Science, researchers at Massachusett Hospital (MGH) uncover a ...

Your heart pumps blood from your head to your toes, provides cells with fresh oxygen, and removes waste products. Located in the middle of your chest and tilted slightly to the left, your heart pushes ...

Purdue University Scho o l of Nursing students place their hands into a large, beating human heart, immersing themselves into anatomy rather than simply studying it. “Nursing is very hands-on,” Nagle ...