Discusses the necessity for measurement in all aspects of daily life and describes the methods and instruments which have been developed to precisely and accurately measure distance, temperature, length, weight, light and time.
Biographical portraits of fourteen biologists who, in the past 100 years, have pursued research in disease, genetics, and the origin of life: Louis Pasteur, Robert Koch, Paul Ehrlich, Frederick Grant Banting, Alexander Fleming, Charles Darwin, Gregor Johann Mendel, Thomas Hunt Morgan, Hermann J. Muller, Wendell M. Stanley, Jonas E. Salk, Melvin Calvin, and Francis H. C. Crick and James Dewey Watson.
Biographical portraits of fourteen biologists who, in the past 100 years, have pursued research in disease, genetics, and the origin of life: Louis Pasteur, Robert Koch, Paul Ehrlich, Frederick Grant Banting, Alexander Fleming, Charles Darwin, Gregor Johann Mendel, Thomas Hunt Morgan, Hermann J. Muller, Wendell M. Stanley, Jonas E. Salk, Melvin Calvin, and Francis H. C. Crick and James Dewey Watson.
This book presents information about the physical characteristics, habitat, behavior, and life cycle of butterflies and moths in question-and-answer format.