Features questions and answers about sports and science, including when women started competing in the Olympics, why bees make honey, and why oil floats on water.
Includes bibliographical references (page 46) and index.
Why does a curveball curve? -- Why do race cars use bald tires? -- Who do placekickers squeeze the football? -- Who do leaves change color? -- Who does my breath smell? -- Why does laundry detergent remove dirt from clothes? -- Why does glue have sticky properties? -- How did e-mail start? -- How are cell phones like tiny radios?