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A 20-year-old McDonald's burger that never molded: David Whipple's famous preservation experiment

Summary by Boing Boing
In 1999, David Whipple bought a McDonald's hamburger and left it sitting on the counter as an experiment to see how long it would stay intact. After months without spoilage, he began showing it at science presentations. Twenty years later, the burger looks nearly unchanged. — Read the rest The post A 20-year-old McDonald's burger that never molded: David Whipple's famous preservation experiment appeared first on Boing Boing.
DisclaimerRead with caution - this story is only being covered by one news source that has a ‘low factuality’ rating, which means the outlet has a history of poor reporting practices. Learn more about factuality ratings here.Cross Cancel Icon

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Boing Boing broke the news in United States on Wednesday, February 18, 2026.
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