Wyniki wyszukiwania:

There is often confusion over the meaning and usage of terms such as efficiency, economy, effectiveness, optimization, and perfection in biology. This book defines and discusses these concepts within a broad evolutionary perspective and considers how evolutionary pressures can affect the economy and efficiency of animals. Chapters consider biomaterials, skeletal systems, muscular function, aquatic and terrestrial locomotion, and cardiovascular systems. The result is a book of interest to all biologists, particularly those working in the field of comparative physiology and evolutionary...

Twenty-first century China is emerging from decades of war and revolution into a new era. Yet the past still haunts the present. The ideals of the Chinese Republic, which was founded almost a century ago after 2000 years of imperial rule, still resonate as modern China edges towards openness and democracy. Diana Lary traces the history of the Republic from its beginnings in 1912, through the Nanjing decade, the warlord era, and the civil war with the Peoples' Liberation Army which ended in defeat in 1949. Thereafter, in an unusual excursion from traditional histories of the period, she...

Amyotrophic Lateral Sclerosis, otherwise known as Lou Gehrig's Disease, is one of several degenerative diseases of the aging nervous system. This text neatly synthesizes the recent explosion of research into this particular condition to construct a detailed and comprehensive overview. Drs. Eisen and Krieger bring their research expertise and extensive clinical experience to provide this practical and thought-provoking account. Chapters cover the epidemiology, molecular biology, and pathophysiology of ALS, as well as issues pertinent to clinical assessment and care.

Loneliness is experienced by children, adolescents and adults across varied cultures. In the early 1960s and 1970s, some authorities in the field of psychology did not believe that children experienced loneliness. This book ushers in a new wave of theory and research into examining the phenomena of loneliness during childhood and adolescence. The book represents a thorough examination of the topic: the chapters range over the role of attachment in children's loneliness, differences between being alone and loneliness, the significance of divided self and identity achievement in adolescents'...