GETTY IMAGES X4 ILLUSTRATION: ELENA RESKO
Permafrost, ground that is continually frozen, appears to be an unlikely place to find life. In recent years, however, scientists have discovered an abundance of micro-organisms frozen in the permafrost (below left), many of which are still alive.
A wide range of viruses have been found, including those called Pandoraviruses, which were found frozen in 30,000-year-old permafrost in Siberia. The researchers were able to revive one frozen Pandoravirus that, thankfully, only infects amoeba.