French scientists have revived a 48,500-year-old "zombie virus" buried under a frozen lake in Russia. Scientists have long warned that the thawing of permafrost due to atmospheric warming will worsen climate change by freeing previously trapped greenhouse gases like methane.<br /><br />What is Zombie Virus and why is it dangerous? | 48,500-year-old Virus in Russia<br />Scientists revived a zombie virus that was buried in the Siberian permafrost for over 48,500 years