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Titanic sub debris hauled ashore in Canada

Mangled debris recovered from the small submersible that was destroyed when it imploded during a recent dive to the Titanic wreck was offloaded Wednesday in eastern Canada, bringing to an end a difficult search-and-recovery ...

Energy & Green Tech

Fukushima operators send robot into worst-hit melted reactor

A remote-controlled robot on Tuesday was used to probe the hardest-hit nuclear reactor at Japan's wrecked Fukushima plant, as officials push forward with clean-up operations that have been mired in delays and controversy.