Provides information about chemical reactions, looks at their scientific applications, and includes photographs, illustrations, diagrams, fact boxes, and a glossary.
Profiles the French scientist who developed and proved other scientists' theories on the source of infectious diseases before presenting the world's first vaccine.
Provides information about in-vitro fertilization, explaining what it is and how it has been used to help people with fertility problems, and discusses some of the ethical objections people have to the process.
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