Melting polar ice could release old viruses
Wednesday, December 12, 2012 - 17:01
in Earth & Climate
In 1999, Russian scientists famously dug a long-dead frozen woolly mammoth out of the Siberian permafrost. Other things lurking in the frozen earth may be more alive - and more dangerous. Scientists warn that global warming could release ancient bacteria, viruses and fungi from frozen lakes, glaciers and permafrost. If this happens, humans could become exposed to viruses and diseases they have not encountered in thousands of years.