New research reveals a link between rising temperatures and changes in polar bear DNA, which may be helping them adapt and survive in increasingly challenging environments. The study by scientists at the University of East Anglia (UEA) discovered that some genes related to heat-stress, aging and metabolism are behaving differently in polar bears living in southeastern Greenland, suggesting […]
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WASHINGTON — The Department of Homeland Security approved full production of the first U.S. Coast Guard Polar Security Cutter (PSC), April 30, 2025. The Service also received approval for low-rate initial production of the the Waterways Commerce Cutter (WCC). This is a significant milestone for the Nation, as it brings the Coast Guard closer to renewing and […]
The U.S. Coast Guard and U.S. Navy Integrated Program Office received approval Dec. 19 to begin building the first Polar Security Cutter (PSC). The PSC marks the first heavy polar icebreaker to be built in the United States in more than five decades. The work is being performed by Bollinger Mississippi Shipbuilding in Pascagoula, Mississippi, […]