List of Figures
Preface
Acknowledgments
Introduction: A Legacy of Iron
What Was Iron Doing at Life's Birth?: Life Without Oxygen
Catastrophe: The Arrival of Oxygen
Grabbing and Storing: Controlling Iron
The Smallest Living Magnets: Avoiding Oxygen
Hemoglobin and Myoglobin: Harnessing Oxygen
Migrating Animals: Magnetic Travel
Iron and the Planet's Ecosystem: Seas and Soils
Feeding the World's Poor: Iron Deficiency
Glossary
Bibliography
Index