1. http://www.heatisonline.org/contentserver/objecthandlers/index.cfm?ID=3374&Method=Full&PageCall=&Title=Melting%20Ice%20Caps%20Could%20Release%20Deadly%20Viruses&Cache=False
2. This article talks about how the melting ice caps which are melting because of Global Warming could contain deadly prehistoric viruses that could cause severe epidemic around the world once the ice caps have completely melted. These viruses are over 10,000 years old.
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