Home › Multimedia › World in picture › Siberian Worms Revived After Being Frozen for 42,000 Years. aaa Siberian Worms Revived After Being Frozen for 42,000 Years. About Islam 28 April, 2019 Russian scientists revived tiny nematode Siberian worms that had been frozen in permafrost for 42,000 years. The worms were thawed in a lab until they started moving and eating.