GLOBAL SEA FLOOR A "VOLCANIC WONDERLAND"

NBC SCIENCE - SEAFLOOR SURVEY - VOLCANIC WONDERLAND  full article including color map and video!

Compared with the previous map, from 1997, the resolution is twice as accurate overall and four times as better in coastal areas and the Arctic, said lead study author David Sandwell, a marine geophysicist at the Scripps Institution of Oceanography in La Jolla, California.

The seafloor topography comes from a gravity model of the ocean, which is in turn based on altimetry from the Jason-1 and Cryosat-2 satellites.

JAMES CAMERON (IN A SUBMARINE OF HIS OWN DESIGN) TRAVELS SEVEN MILES DOWN TO THE BOTTOM OF THE TRENCH

William J. Broad's article for the New York Times is one of the best on JAMES CAMERON'S TRIP, which after seven years of planning, and a couple weeks delay due to rough seas, was cut short due to a leak. The pressure seven miles down is intense, the leak was to a hydraulic gear, but this layman scientist has reported that there was little to no visible life that far down.

"No government can send people so deep." His team includes scientists from the Scripps Institution of Oceanography and the University of Hawaii... And National Geographic was a sponsor.