Just as there are two sides to every story, there are also two sides to the mind. However, most find that one side seems more dominant than the other. And this optical illusion, from the YouTube ...

Filling up your car's gas tank should be a no-brainer activity, on par with brushing your teeth or tying your shoes. But pulling up to the pump can be a hassle if you don't know which side the gas cap ...

The answer is it doesn't matter. According to the USDA, it does not make any difference which side of the foil contacts the food. The mostly aluminum, molten alloy is rolled thin and solidified ...