by Marlowe HOOD Agence France-Presse PARIS, France (AFP) – A massive ice block nearly 100 times the area of Manhattan is poised to break off Antarctica’s Larsen C ice shelf, scientists reported Friday. A slow-progressing rift suddenly grew by 18 kilometres (11 miles) at the end of December, leaving the finger-shaped chunk — 350 metres thick — connected along only a small fraction of its length. The rift has also widened, from less than 50 […]