Images of a scientific observation buoy floating in what appeared to be an Arctic lake near the North Pole lit up the online world in the past week, sparking questions about whether this was a sign of global warming.
On Monday, the scientist who installed the buoy gave a succinct answer: No.
Also, the buoy was never quite at the North Pole, oceanographer James Morison said in a telephone interview. Its most recent location is about 300 miles (480 km) away.
After about a …
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