Associated Press: With the dramatic crash of an iceberg against a glacier that dislodged a massive new chunk of ice, the mysterious continent of Antarctica once again did the unexpected. A big chunk of ice, slightly smaller than Oahu, broke off from a place it wasn’t supposed to and in a way not quite anticipated, scientists said Friday. The new iceberg broke off from the cooler eastern end of Antarctica, the result of tidal forces that caused a longer but thinner iceberg that stretches for 60 …