School Library Journal - School Library JournalGr 5-8-Allan examines the history of heredity studies from Gregor Mendel to James D. Watson and Francis Crick in the 1950s. Other notable genetic researchers and their contributions to solving the mystery of DNA are profiled, and the research competition among them is discussed. Prospects for the future in the fields of medicine, food production, and cloning are mentioned. Chorlton traces the history of the electronic revolution from vacuum tubes through transistors to the invention of the chip. The personalities involved in the technology are introduced and its advancement is explained. The chip's effects on society, such as workplace changes, communication, entertainment, and transportation, are discussed. The books have many black-and-white and color photographs, descriptive fact boxes, and time lines. The reading level is understandably high due to the scientific terminology. These titles would be of interest to researchers and science students who are curious about the history of great discoveries.-Elizabeth Stumpf, Clearfield Middle School, PA Copyright 2002 Cahners Business Information.
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