New Scientist: A massive crack has split the Pine Island glacier (PIG) in Antarctica, creating an iceberg the size of New York City.
Such breaks in the ice shelf, where the glacier extends off the land and floats above the water, happen fairly regularly - PIG also birthed icebergs in 2001 and 2007. But this crack took longer than usual to spread, allowing the ice shelf to grow for longer and resulting in a whopper of an iceberg.
The crack was first spotted by NASA in 2011. On Monday, the German Earth-observation...