Summary:

- Scientists have successfully revived ancient microscopic organisms that were frozen in Siberian permafrost for up to 24,000 years.
- The revived organisms include nematodes (roundworms), tardigrades (water bears), and bdelloid rotifers, which are able to survive extreme conditions by entering a state of suspended animation.
- The findings demonstrate the remarkable resilience of these microscopic lifeforms and provide insights into the potential for life to persist in extreme environments, even under conditions of long-term cryogenic preservation.