Arteries play an active role in the immune system by sensing infection and injury. They collect information about invaders through dendritic cells embedded in their walls. Arteries supplying blood to ...

Making a smart Medicare decision — especially during open enrollment — starts with knowing the basic components of the health care program. With four distinct parts, the system can feel complicated, ...

We may think about our closest friends and family using different parts of the brain than we do for the rest of our social circle, brain scans suggest. A spectacular showcase of animal pictures from ...

In my first post, I provided a very brief description of what synthetic biologists call parts. We use these parts to build more complicated systems. But this seems too obvious. Doesn't every ...