Looking for an unusual gift or that perfect ornament for your living room? How about a cross-section of a preserved corpse, courtesy of "Body Worlds" entrepreneur Gunther von Hagens -- a snip at ...

Cross sections tell physicists how likely particles are to interact in a given way. Imagine two billiard balls rolling toward one another. The likelihood of a collision depends on easy-to-grasp ...

Growth rings (or "tree rings" or "annular rings") can be seen in a horizontal cross section cut through the trunk of a tree. Visible rings result from the change in growth speed through the seasons of ...