Jellyfish Invasion Format:DVD Mary does not know it

Mary does not know it

Turhan Bey

"-Roger Ebert

leading to devastating consequences as they question each other's loyalty

The lives of four strangers

Jellyfish Invasion Format:DVD Mary does not know itFor over 500 million years, the jellyfish has survived in our oceans. Today, global warming and pollution may be contributing to a population explosion, as billions of these sometimes venomous creatures increasingly swarm around our beaches and shorelines. And though they have no bones, blood or brain, some jellyfish are armed with a deadly arsenal unlike any other on the planet. National Geographic dissects the fascinating physiology of this living