Mould, maggots, fungi, bacteria — all have avoided the tempting meal that sits in plain view.“Obviously it makes me wonder why we choose to eat food like this when even bacteria won’t eat it,” said Ms. Hesketh.The meat patty has shrunk a bit, but it still looks edible and, with a faint but lingering greasy, leathery odour, she said it “still smells slightly like a burger . . . it hasn’t changed much.”
Well, well, well. Turns out that not only did the regular McDonald's burgers not rot, but the home-ground burgers did not rot either. Samples one through five had shrunk a bit (especially the beef patties), but they showed no signs of decomposition. What does this mean? It means that there's nothing that strange about a McDonald's burger not rotting. Any burger of the same shape will act the same way. The real question is, why?