The term "zooplankton" describes the community of floating, often microscopic, animals that inhabit aquatic environments. Being near the base of the food chain,

We are delighted to introduce the proceedings of the third edition of the International Conference on of Education and Science. The 3rd International Conference

Predicted long ago to be present on the surface of planetary bodies by theoreticians and recently shown by interplanetary spacecraft and ground- based instrumen

Audouin Dollfus Observatoire de Paris, Section de Meudon, 92195 Meudon, FRfu~CE The North Atlantic Treaty Organization (NATO) and, in particular, its Department