Australian Broadcasting Corporation: In a bid to find out how the Great Barrier Reef will be affected by climate change, scientists are using elephant seals to collect data from the ocean around Antarctica. The seals have sensors glued to their heads that collect information about changes to temperature and salinity in the Southern Ocean. The information is sent back to Hobart via satellite, where researchers at the CSIRO will make the link between what is happening in the cold waters of the Southern Ocean and …