Even if you think you learned everything that you needed to know way back in biology class, everyone has knowledge gaps. And ...

Scientists mapping the human body at the cellular level keep running into the same surprise: beneath the apparent chaos of tissues and organs, there is a hidden order that looks a lot like pure ...

So the mathematician's answer is that humans have either seven or eight holes. In the end, the question is not just about ...

Some scientific studies from brain research suggest that near death, there may be brief bursts of electrical activity in the brain and changes in neurochemicals.

The same body can look very different depending on whether you approach it as a biologist, a doctor, or a mathematician.

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, ...

Scientists are exploring ways to mimic the origins of human life without two fundamental components: sperm and egg. They are coaxing clusters of stem cells – programmable cells that can transform into ...

The Greenland shark can live up to 500 years. The kind of longevity that probably has something to do with its home: cold, ...