also cure melancholia (they couldn't really), powdered unicorn //]]>, Free use pictures Whales have a very acute sense of hearing and can detect sounds made by other whales from miles away, which can be important for mating or locating other whales in a pod. Antarctic sea ice drives the circulation of the world's oceans. var x="function f(x){var i,o=\"\",l=x.length;for(i=0;iWhat is a whale? - Australian Antarctic Program