When you hear a housefly buzzing around your home, you might be annoyed by the persistent sound. However, the next time it happens, try to soothe yourself by noting that the airborne pest is actually buzzing in an F key.

When you hear a housefly buzzing around your home, you might be annoyed by the persistent sound. However, the next time it happens, try to soothe yourself by noting that the airborne pest is actually buzzing in an F key.