Every day, your body replaces billions of cells—and yet, your tissues stay perfectly organized. How is that possible?

Taking care of your heart has an influence on the health of your whole body. Here are the changes you should focus on, according to a new study.

The car engine cooling system plays a crucial role in maintaining the engine’s optimal temperature, preventing overheating, and ensuring efficient performance. But how exactly does it work? In this ...

All day long, our brains carry out complicated and energy-intensive tasks such as remembering, solving problems, and making decisions.

How major organs work together to manage extreme physiological stresses such as lack of oxygen and sleep has been mapped for ...

Caffeine can kick start your senses within 15 minutes. See exactly what caffeine does to your body with this interactive graphic.

But I liked understanding the nuts and bolts of how things work. So as an undergraduate at Duke University, I knew I wanted to study physics. The Human Genome Project had just come out, and I was ...