This book examines the effects of spaceflight at cellular and organism levels. Research on the effects of gravity - or its absence - and ionizing radiation on the evolution, development, and function of living organisms is presented in layman's terms. The book describes the benefits of space biology for basic and applied research to support human space exploration and the advantages of space as a laboratory for scientific, technological, and commercial research.

This readable text presents findings from the life science experiments conducted during and after space missions. It provides an insight into the space medical community and the real challenges that face the flight surgeon and life science investigator.