defrog: (science do)
[personal profile] defrog
You know that meme about how McDonald’s hamburgers never decompose, thus proving that they’re really made out of plastic/styrofoam/alien DNA/whatevers?

Turns out there’s a simple scientific explanation for that: the burgers have simply lost all their moisture and turn into dried out bread and beef jerky, says Serious Eats:

The burger doesn't rot because it's small size and relatively large surface area help it to lose moisture very fast. Without moisture, there's no mold or bacterial growth. Of course, that the meat is pretty much sterile to begin with due to the high cooking temperature helps things along as well. It's not really surprising. Humans have known about this phenomenon for thousands of years. After all, how do you think beef jerky is made?

The article notes that McD burgers will rot like any other food under the right conditions: i.e. where moisture is present.

Whether McD burgers are still good for you is another issue. But you can discount the plastic/styrofoam/alien DNA theory, at least.

... Or am I ruining it?

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