Germy Science

September 15, 2021
Icky, germy pathogens of all sorts are introduced in this newest addition to the Gross Science series. Germs are everywhere, in everything, and they are even on you. Millions can fit on a pin point. Germs come in many varieties too, not just as bacteria and viruses most readers are familiar with, but also as fungi and protozoa. Tracing the history of infectious disease, Kay explores early theories of disease spread, the discovery of microorganisms, and ultimately how germ theory was discovered and proven. How our immune system fights off germy invaders and what we can do to help are also discussed along with plenty more interesting tidbits about humans' relationships with microbes. In introducing these complex science topics, Kay shows great respect for his readers: The text does not shy away from challenging vocabulary but always explains concepts at an approachable level. This book is notable for its inclusion of a nuanced view of the microbiome, acknowledging that germs are not all bad, that their harm depends on context, and that they can even be beneficial. Shiell supplies goofy cartoons of racially diverse humans in varying degrees of health and of greatly magnified germs, supplying them with googly eyes (in varying number) and grins or frowns, depending on circumstance. Though books on germs are plentiful, these germs are a worthwhile addition to science shelves. (This book was reviewed digitally.) A fast-paced and fun introduction to the mysteries of microbes. (glossary, index, further reading) (Nonfiction. 7-12)

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November 1, 2021

Gr 4-8-Germs are everywhere, explains Kay in this accessible and comprehensive exploration of the world of germs. After describing how small germs are and how many live on our bodies, Kay explains that the word germ is a general term that encompasses four types of organisms (bacteria, fungi, protozoa, and viruses). Kay then focuses on the discovery of germs and their connection to illness. The author explains how our immune systems protect our bodies from harmful germs and shares the additional steps we can take to protect ourselves. Readers are introduced to the history of vaccination and inoculation (dating as far back as 2,000 years with the Chinese efforts to prevent smallpox). "Germs that Changed History" is the title of one particularly fascinating chapter that focuses on various pandemics (including COVID-19) and plagues that have had a profound impact on the course of history. The final chapter explores the future of germ research and offers possibilities of what is to come, such as studying industrial uses for germs, like using bacteria to make fuel cells or new types of plastics. The accompanying illustrations are clever, colorful, and humorously match the spirited tone of the text. VERDICT A great combination of scientific information, coupled with a bit of historical epidemiology, resulting in a highly entertaining and informative introduction to germs. Recommended for middle school libraries.-Ragan O'Malley, Saint Ann's Sch., Brooklyn

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