A warm sea at the North Pole — it's a bizarre idea, but one several individuals sought and gave their lives to find for financial gain and the glory of their home countries.
The land bridge that once connected North America and Asia rose from the seas 80,000 years ago. And at the same time, North America's climate began experiencing violent climate swings, with average temperatures shifting as much as ten degrees every decade.
Arctic waters may look a lot less forbidding by 2030. New research suggests that the ice sheet on top of arctic waters will melt in summer, creating the perfect conditions for new life to take up summer residence there.