This video is an introduction to stress and strain, which are fundamental concepts that are used to describe how an object ...

Why do wrinkles form as we age? A new study has revealed that aging skin stretches more sideways under tension, causing it to ...

Wrinkles form when skin stretches one way and shrinks the other. Older skin shrinks more, causing it to buckle.

Immune responses rely on the efficient movement of immune cells within the complex and geometrically unpredictable three-dimensional tissues that make up our bodies.