Scientists say they revived 42,000-year-old frozen worms
 

A group of scientists in Russia claim to have revived a pair of frozen nematodes, or roundworms, that were between 30,000 and 42,000 years old. One of the specimens was found in a soil sample collected from a ground squirrel burrow located around 100...

https://www.engadget.com/2018/07/27/...-frozen-worms/