Once there was a mutant worm in an experiment. It lived for 46 days. This was much longer than the oldest normal worm, which lived just 22.
Researchers identified the mutated gene that had lengthened the worm’s life, which led to a breakthrough in the study of aging — it seemed to be controlled by metabolic processes. Later, as researchers studied these processes, all signs seemed to point to the nucleolus.
read more in www.nytimes.com