People have always asked what distinguishes the living from the inanimate world and what uni?es the two. The ?elds of biology and physics have a long history of

This set of lecture notes gives a first coherent account of a novel aspect of the living world that can be called biological information. The book presents both

Analyzes approaches to the study of complexity in the physical, biological, and social sciences.

This concise primer (based on lectures given at summer schools on complex systems and on a masters degree course in complex systems modeling) will provide gradu