Jellyfish force shutdown of power plants

They have no backbone and their slimey bodies are made up of more than 90 per cent water but they threaten to turn beaches into no-go zones within two decades.

Read more: http://www.smh.com.au/environment/jellyfish-force-shutdown-of-power-plants-20110711-1haa6.html#ixzz1RnzGuYxa