You’ve probably heard the joke about how an archeologist entered a recently discovered Egyptian tomb and found a hoard of gold, a living cockroach and a Twinkie. Well, a Twinkie in Maine isn’t quite that ancient, but it has survived 40-years.

The Associated Press reports that a 40 year-old chemistry experiment, initiated in 1976 by Roger Bennatti, is still in progress, as it sits in a glass case in the office of George Stevens Academy’s Dean of Students.

Mr. Bennatti was teaching his high school chemistry class a lesson on food additives and shelf life. A student wondered at the potential shelf life of a Twinkie, so the teacher sent the students with enough cash to purchase the treat and when they returned, he ate one and placed the other on top of the chalk board.

The Twinkie eventually was place in a glass case and though it has paled over the years, it still retains its distinctive shape.

It has not been reported whether the Twinkie is fit for human consumption if brought up for a double-dog dare.

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