Presents a magnified look at the cellular processes that occur as your body fights off rhinoviruses. Features full-color illustrations and photographs, a glossary, and a list of further reading and Internet links.
Presents a magnified look at the cellular processes that occur when a person's body battles cavity-causing acids and bacteria and fights off germs. Features color illustrations and photographs, a glossary, and a list of further reading and Internet links.
Examines the sense of smell, how the nose detects different odors, and how we react to different smells. Includes simple experiments to test the sense of smell.
Focuses on the land, animals, plants, and climate of Alaska, presenting it as an example of a place where it is so cold your hair can freeze and break off.