PORT ANGELES, Wash. (AP) — From one underwater canyon to the next, the EV Nautilus is shedding new light on the Olympic Coast National Marine Sanctuary.

After a brief personnel transfer at the entrance to Neah Bay, the 211-foot expedition vessel set sail for the Juan de Fuca Canyon to look for organisms and changes in ocean chemistry 1,000 feet below.

The Nautilus is midway through a 2½-week study of the mostly unexplored Quinault, Quillayute and Juan de Fuca canyons off the coast of the Olympic Peninsula.

The underwater surveys are being broadcast in real time at www.NautilusLive.org.

"The hi...