Freshening in the Canada Basin of the Arctic Ocean began in the 1990s. Was this because of sea ice or glaciers melting, or increased river runoff? In the 5 January 2012 issue of Nature, polar scientist Jamie Morison and co-authors report new insights based in part on Arctic-wide views from two satellite systems.

Follow scientists to sea where they assess the possible environmental impacts of generating electricity by tidal currents in Admiralty Inlet, in the December 2011 edition of UW | 360 tv.

The twenty-eleven APL-UW Biennial Report highlights the Laboratory's most recent research and education efforts, financial health, and publication and community outreach activities.

The 'Wave Chasers' research team cruised the South Pacific on an expedition to map the bathymetry of the Samoan Passage — a deep choke point that Antarctic bottom water flows through on its way to the North Pacific Ocean. Read their cruise blog.

The need for tighter airport security fuels demand for faster, more accurate detection of trace-level explosives. APL-UW is working for the first time with the Director of National Intelligence and the FBI on a promising advanced detection method employing laser beams.

Polar research and technology are presented to thousands of visitors by APL-UW staff during the annual Polar Science Weekend at Seattle's Pacific Science Center. The event presents polar science through one-on-one, face-to-face interactions between visitors and scientists.