(Source: University of Western Australia) Scientists have just completed a successful two-week mission unlocking the secrets of Perth Canyon, a deep ocean gorge the size of the USA's Grand Canyon. During this time, they discovered unusual deep-sea communities as well as an autonomous ocean glider that was lost for two years. A group of scientists from The University of Western Australia's Oceans Institute set off on March 1 aboard Schmidt Ocean Institute's research vessel Falkor for an expedition to Perth Canyon, an area where few others had gone before. The underwater canyon starts about 30 kilometres off the coast of Fremantle and extends out from the continental shelf edge of WA to depths...