Australian: IF their watery world continues to warm as climate change scientists predict, Western Australia’s corals may head south to cooler climes. That’s the message from US and Australian researchers who compared the behaviour of the state’s corals then and now. Since "then" was 125,000 years ago, University of Queensland paleoecologist John Pandolfi and geologist Benjamin Greenstein of Cornell College in Iowa are confident their findings are not a short-term blip. …