Australian Broadcasting Corporation: Southern hemisphere glaciers evolve quite differently to those in the north, according to a new study. Glaciologist Dr Andrew Mackintosh of Victoria University in Wellington, New Zealand and colleagues report their findings in today’s issue of the journal Science. “Don’t assume that warming will be uniform over the earth,” he says. Mackintosh says the advance and retreat of glaciers are a good indication of climate change. But, he says, there has been some concern …