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A number of scientific studies have been conducted over the years in an attempt to answer this perplexing question. One such project found that on average, ears grow one-hundredth of an inch every year.

Many people are under that impression that our ears and nose get bigger throughout life because they are made of cartilage, which continues to grow after our bones have stopped. While this is true of the cartilage in fish that lack a bone skeleton, such as sharks, the expert at the MadSci network says it's simply not true for humans and other animals with a bone skeleton.

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