TIL that the world’s oldest mouse, Yoda, reached the age of 4 years in a pathogen-free environment at the University of Michigan, living with his cage mate Princess Leia. 100-year-old people are much more common than 4-year-old mice.”, said his lab director.

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Wouldn’t last 15 minutes outside in an Ann Arbor winter

Boredguy32

When 4 years old you reach, look this good you will not.

davypi

Mr. Jingles lived more than 60 years. Amateur.

EdgeFayth

Yoda and Leia, interesting duo!

ChongusMcBigDick

Why? How? What was the research about? A mouse-longevity-serum? So many questions so many possibilities!

Organic-Foundation