MOVING WALL The "moving wall" represents the time period between the last issue available in JSTOR and the most recently published issue of a journal. Moving walls are generally represented in years.

A tree stump from an ancient submerged forest that is at least 6,000 years old protrudes from a beach at low tide at Pett Level in Sussex, England. (M.J. Thomas) (Ken Feisel) Experts from the British ...

Mathematics and computing is the study and analysis of abstract concepts, such as numbers and patterns. Mathematics is the language of choice for scientifically describing and modelling the universe ...