Just as cities must carefully manage the flow of cars in and out of downtown, cells regulate the movement of molecules into and out of the nucleus.

Scientists at the University of Leicester have captured the first detailed "molecular movie" showing DNA being unzipped at the atomic level – revealing how cells begin the crucial process of copying ...

How does the armored tiling on shark and ray cartilage maintain a continuous covering as the animals' skeletons expand during ...

Such loops are called mathematical knots. Geometric topology is a beautiful and complex subject, and there are still countless exciting questions to answer about spaces. For example, the smooth 4D ...