A skyscraper-esque spire of detached coral discovered in Australia's Great Barrier Reef stands taller than the Empire State Building at 1,640 feet (500 metres) high. Researchers from the US and Australia mapped out the blade-like coral mount — the first to be discovered in some 120 years — off the coast of Cape York on October 20. Towering above the surrounding seafloor, the spire grew separately to the larger, plateaux-like ...