Researchers at Ohio State University have found that humans can make 21 different facial expressions, a huge jump from the six emotions that were thought to be conveyed, including happy, sad, fearful, angry, disgusted and surprised.

New emotions include sadly angry, happily surprised, fearfully angry, angrily surprised and happily disgusted.

Zoo FM's Charene puts Aaron Traylor to the test in the video below.

Which facial expression is your favorite? Which one should Aaron NEVER do again?