Fluid dynamics is the study of the motion of liquids, gases and plasmas. Flow is dependent on the intrinsic properties of the matter itself, such as compressibility, viscosity and density. Example ...

Virginia-class subs are fast-attack, missile-armed vessels designed for anti-submarine warfare and intelligence gathering operations. The U.S. Dept of Defense issued a total of $13.7 billion in ...

Comparative analyses of the behaviour of individual animals across multiple populations are rare. We analysed the relationship between local population density and individual behaviour across 36 wild ...