Jellyfish Invasion Format:DVD Only with your help

Only with your help

The mystery unravels as the link to the murders could be one of their own

The lives of four strangers

Mary does not know it

Turhan Bey

Jellyfish Invasion Format:DVD Only with your helpFor 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