interesting 10 Things You Didn't Know About Your Own Face  

Kellen Perry
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You'd think by the time you reach your 20s or so, you'd know everything you need to know about your face. You have a pretty good idea how it all works and how to take care of it, right? But let's face facts about face facts: there are plenty of things you don't know!

Human face biology and anatomy, just like the rest of our weirdo parts, are fascinating and insanely complex. Scientists and evolutionary biologists are discovering new things all the time (the creepiest fact on this list, for example, wasn't well-known until 2015). Pinch your cheeks, count your eyelashes, and prepare to learn a bunch of cool new facts about human faces.

Your Dominant Nostril Switches Every Few Hours


Your Dominant Nostril Switches... is listed (or ranked) 1 on the list 10 Things You Didn't Know About Your Own Face
Photo:  Hans/Pixabay/CC0 1.0

Everyone has a dominant hand, save for those superhuman ambidextrous folks that think they're better than the rest of us. But did you know that everyone also has a dominant nostril? It's true... at least temporarily. Your dominant nostril – the one with the most airflow – switches throughout the day, and it affects what you smell. Researchers say the different rates of flow between the dominant and non-dominant nostril may help the brain to separate and appreciate complex scents.

Science Says Resting B*tch Face Is Sexist


Science Says Resting B*tch Fac... is listed (or ranked) 2 on the list 10 Things You Didn't Know About Your Own Face
Photo: Roo Reynolds/flickr/CC-BY-NC 2.0

If you've been accused of having so-called "Resting B*tch Face," know this – there's nothing unusual about your face, and men have them, too. Researchers at Noldus Information Technology used a piece of software called FaceReader in February 2016 to plot out exactly what RBF looks like and discovered that – shocking! – a ton of men have it, too. Conclusion? It has "little to do with facial physiology and more to do with social norms." Why is it considered a lady thing? Because "women have more pressure on them to be happy and smiley and to get along with others.” In other words, rest easy, RBFs!  

Arachnids Live On Your Face


Arachnids Live On Your Face is listed (or ranked) 3 on the list 10 Things You Didn't Know About Your Own Face
Photo:  Blauerauerhahn/via Wikimedia/CC BY SA 3.0

At least two species of microscopic arachnid mites live on your face. Still here? Good. Everyone has them, and they're here to stay. This isn't a new development: they've been with us since early humans walked out of Africa and started exploring the globe. Don't worry; they won't cause you harm, unless you somehow don't have enough of them, which can cause skin ailments such as rosacea. Weirdly, all mammals have these face mites, except – you guessed it – the platypus and its kooky egg-laying relatives. Platypuses always have to be different, huh?

You Have Twice As Many Upper Eyelashes As Lower


You Have Twice As Many Upper E... is listed (or ranked) 4 on the list 10 Things You Didn't Know About Your Own Face
Photo:  Unsplash/Pixabay/CC0 1.0

If you don't spend hours staring at your own eyelashes then you may not know this one: you have twice as many upper eyelashes as lower. On average, most people have 200 upper and 100 lower. The number is constantly changing because about five will fall out each day and not return for another four-to-eight weeks.