Dec. 9) -- A massive iceberg -- more than twice the size of New York's Manhattan island -- is drifting slowly toward Australia, scientists said Wednesday.The iceberg, measuring 140 square km (54 square miles), cleaved off an ice shelf nearly 10 years ago and had been floating near Antarctica before commencing on its unusual journey north.http://www.sphere.com/science/article/huge-b17b-iceberg-moves-toward-australia/19272433