The world's oldest living lab rat points the way to rejuvenation The world's oldest living lab rat points the way to rejuvenation
THURSDAY, FEBRUARY 09, 2023
"Sima", a 47 months-old female rat, is being treated with E5, a treatment intended to recreate the circulatory environment of a young mammal; the maximum recorded lifespan for this species is 45.5 months.