There's that experiment with the 12-year-old McDonald's hamburger, and the art project with the 137-day-old McDonald's hamburger, and Kenji's currently-in-progress experiment, but Consumerist reader GitEmSteveDave blows them all out of the water with his highly controlled four-hour experiment...
...Well, highly controlled except for the cat. And the dog. And a bunch of other things. Watch the video after the jump.
Real World McDonald's Burger Experiment
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