Russian scientists have revived a microscopic animal that slumbered for over 24,000 years in the Arctic permafrost.
The study, published in the journal Current Biology, revealed that in permanently frozen natural habitats, some organisms may be "preserved for hundreds to tens of thousands of years".
The study also throws light upon microscopic multicellular animals, Bdelloid rotifers' ability to survive. As per the study, Bdelloid rotifers typically live in watery environments and can survive extremely low temperatures.
The obligate parthenogenetic bdelloid rotifer was recovered in northeastern Siberia. This is the longest reported case of rotifer survival in a frozen state.
The study suggests that they have some mechanism to shield their cells and organs from harm at exceedingly low temperatures.
It further added that a multicellular organism can be frozen and stored for thousands of years and then they can return back to life.