The Real Purpose of Eyebrows?

Who would we be without the hair above our eyes?

Posted Jul 04, 2011

Human faces are relatively flat. Alas, evolution has worn away the jutting jaw and the bulging brow ridge. 

Fortunately, we still have one reliable landmark:  the eyebrow.

According to a study by MIT behavioral neuroscientist Javid Sadr and his colleagues, eyebrows have remained on our faces because they are crucial to facial identification. Faces without eyebrows are like land without landmarks.

Eyebrows are key to making faces recognizable

 *If you like this blog, click here for previous posts (where this entry was first published) and here to read a description of my most recent book, Do Gentlemen Really Prefer Blondes?, on the science behind love, sex, and attraction. If you wish, check out my forthcoming book, Do Chocolate Lovers Have Sweeter Babies: The Surprising Science of Pregnancy.