Ocean Exploration: Discovery and Offshore Stewardship
By James J. Kendall Jr., Thomas E. Ahlfeld , Gregory S. Boland , Jack B. Irion, and John J. McDonough

Using Narwhals as Ocean-Observing Platforms in the High Arctic
By Kristin L. Laidre and Mads Peter Heide-Jørgensen

An Overview of Fixed Passive Acoustic Observation Methods for Cetaceans
By David K. Mellinger, Kathleen M. Stafford , Sue E. Moore, Robert P. Dziak, and Haru Matsumoto

Sly Eye for the Shy Guy: Peering into the Depths with New Sensors
By Edith A. Widder

Mid-Ocean Ridge Exploration with an Autonomous Underwater Vehicle
By Dana R. Yoerger, Albert M. Bradley , Michael Jakuba , Maurice A. Tivey, Christopher R. German, Timothy M. Shank , and Robert W. Embley

Archaeological Oceanography
By Robert D. Ballard

Exploring the Submarine Ring of Fire: Mariana Arc - Western Pacific
By Robert W. Embley, Edward T. Baker, David A. Butterfield, William W. Chadwick Jr. , John E. Lupton, Joseph A. Resing , Cornel E.J. de Ronde, Ko-ichi Nakamura, Verena Tunnicliffe , John F. Dower , and Susan G. Merle

Exploring Submarine Arc Volcanoes
By Steven Carey and Haraldur Sigurdsson

The Lost City Hydrothermal Field Revisited
By Deborah S. Kelley , Gretchen L. Früh-Green, Jeffery A. Karson, and Kristin A. Ludwig

Hunting for Hydrothermal Vents Along the Galápagos Spreading Center
By Rachel M. Haymon, Edward T. Baker, Joseph A. Resing , Scott M. White , and Ken C. Macdonald

Exploration for Deep-Sea Corals on North Pacific Seamounts and Islands
By Amy R. Baco

Cold Seeps and Associated Communities of the Gulf of Mexico
By Charles Fisher, Harry Roberts, Erik Cordes, and Bernie Bernard

Unique Deep-Water Ecosystems Off the Southeastern United States
By Steve W. Ross

Applications of Geo-Referenced Underwater Photo Mosaics in Marine Biology and Archaeology
By Martin Ludvigsen, Bjørn Sortland , Geir Johnsen, and Hanumant Singh

Broadband, Low-Cost, Coastal Sensor Nets
By David P. Fries, Stanislav Z. Ivanov , Pragnesh H. Bhanushali , James A. Wilson, Heather A. Broadbent , and Arthur C. Sanderson

Shallow Water '06: A Joint Acoustic Propagation/Nonlinear Internal Wave Physics Experiment
By Dajun Tang, James N. Moum, James F. Lynch, Phil Abbot , Ross Chapman , Peter H. Dahl , Timothy F. Duda, Glen Gawarkiewicz , Scott Glenn, John A. Goff , Hans Graber, John Kemp , Andrew Maffei , Jonathan D. Nash, and Arthur Newhall

QUARTERDECK • Embracing Ocean Exploration
By Stephen R. Hammond and Craig McLean

FROM THE PRESIDENT • A New Age of Ocean Exploration
By Richard Spinrad

COMMENTARY • Endowments and New Institutions for Long-Term Observation
By D. James Baker, Raymond W. Schmitt, and Carl Wunsch

RIPPLE MARKS • Winter Ice on Lakes, Rivers, Ponds | The Tales Melting Ice Could Tell | Clams Make Food from Thin Air | Out-Swimming an Estuarine Crocodile
By Cheryl Lyn Dybas

THE OCEANOGRAPHY CLASSROOM • Oceanographers are Talented—Eventually
By Simon Boxall

THE OCEANOGRAPHY CLASSROOM • 110 Misconceptions About the Ocean
By Robert J. Feller

BOOK REVIEW • Exploring the World Ocean
By Cynthia Cudaback

BOOK REVIEW • Solitary Waves in Fluids
By Quanan Zheng and R. Dwi Susanto

BOOK REVIEW • Numerical Modeling of Ocean Circulation
By Robert Hallberg

Stephen R. Hammond, National Oceanic and Atmospheric Administrion

This issue was generously sponsored by the NOAA Office of Ocean Exploration and Research.