Scientists aboard the vessel Pisces V visited the volcano earlier this month to examine its geological features and its rich variety of marine life, and an Associated Press reporter was given exclusive access to the dive. It was the first-ever expedition to the Cook seamount, a 13,000-foot extinct volcano at the bottom of the sea, by a manned submersible. Among other things, the researchers from the University of Hawaii and the nonprofit group Conservation International spotted such wonders as a rare type of octopus with big fins that look like Dumbo's ears, and a potentially new species of violet-hued coral they dubbed Purple Haze. Conservation International hopes to study 50 seamounts, or undersea volcanoes, over the next five years. Read more