We are going to take many tests in life but one test that tends to stick with us for a lifetime is our IQ test. It isn’t generally something we can study for, but it can shape us in many ways.

Determining our IQ can take on many different forms, and that includes a sketch that professors from Flinders University in Australia devised.

When most people look at the sketch, the first thing they see is an elderly woman. As you continue to look closer and closer at the sketch, however, something else may begin to appear.