Biology: Biology

Our world is filled with living things too small to see. Some of these microorganisms are harmful, and some are helpful. This book explores the amazing diversity of microorganisms and looks at how we depend on them.

The concept of race has been at the center of both triumphs and tragedies in American history and has had a profound effect on the human experience. 'Race Unmasked' revisits the origins of commonly held beliefs about the scientific nature of racial differences, examines the roots of the modern idea of race, and explains why race continues to generate controversy as a tool of classification even in our genomic age.