The health of cells is maintained, in part, by two types of movement of their nucleoli. This dual motion within surrounding fluid, it reports, adds to our understanding of what contributes to healthy ...

You’re probably familiar with the old joke about a physicist who, when asked to use science to help a dairy farmer, begins by approximating a spherical cow in a vacuum. But maybe it’s time to ...

Isaac Newton would never have discovered the laws of motion had he studied only cats. Suppose you hold a cat, stomach up, and drop it from a second-story window. If a cat is simply a mechanical system ...