This book explores why questions arise in science and looks at how questions are tackled, what constitutes a valid answer, and why. The author does not bog down... » 

This book explores why questions arise in science and looks at how questions are tackled, what constitutes a valid answer, and why. The author does not bog down the reader in technical details or lists of facts to memorize. Instead, he places the questions in their historical and cultural context, ranging from the earliest intimations that the earth had a long history to current controversies, even describing the origins, challenges, and promises of modern molecular biology. Addressing issues as complex as radiocarbon dating and how we know that DNA is a double helix, he uses examples, illustrations, and descriptions that all students should be able to grasp (Were there kangaroos in Noah's Ark? «