These photos of symmetry and order are appealing to humans and animals alike. Both in society and in the wild, organisms that are “more symmetrical” have a better chance at finding a mate than those who don't. Some speculate that this is one way of identifying a healthy partner.

The appeal of symmetry in art or inanimate objects is harder to explain. Harvard mathematician George Birkhoff developed the formula M = O/C to evaluate the aesthetic qualities of art, and even wrote a book on the topic titled Aesthetic Measure in 1933. He believed that the more ordered and the less complex something was, the more beautiful it would seem.

Do these images of symmetry satisfy your need for order? Vote on your favorite, or upload your own symmetrical shots below!

#2 Perfect Coffee

Perfect Coffee

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DeborahvanKampen 10 months ago

50 shades of......perfect!

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#4 Perfect Match

Perfect Match

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FinnianIfversen 10 months ago

I love sharp pencils and colour ordered things, and this is amazing too

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#6 We Found Our Guide Book Cover On The Appalachian Trail

We Found Our Guide Book Cover On The Appalachian Trail

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HannahBarnesy 10 months ago

Umm...perfect besides the fact that the guide picture is too bright.

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#8 I Can't Stop Looking At It

I Can't Stop Looking At It

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LeniTomas 10 months ago

I would have arranged them also according to color. LOL

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#10 This Bundle Of Pencils At A Library

This Bundle Of Pencils At A Library

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Imperfekt 10 months ago

I can hear the attendant saying "please use the center one and then put it right back in its place".

#11 Landed A Job Where My Ocd Fits Right In

Landed A Job Where My Ocd Fits Right In

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FrédéricEeckman 10 months ago

I HATE that :/ I know it's stupid, but I like to be able to choose my vegetables, and not to be forced to take the one on the top of the pile.

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#12 Natural Spiral

Natural Spiral

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DanSpector 10 months ago

Fibonacci series (spiral found all over nature)

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#13 Shadow Lines Up Perfectly With The Sidewalk

Shadow Lines Up Perfectly With The Sidewalk

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TBogdányiFranciska 10 months ago

Not only with the sidewalk, with the crackline within the sidewalk. Wow.

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#15 Our Bathroom Scales Line Up Perfectly With Floors Tiles

Our Bathroom Scales Line Up Perfectly With Floors Tiles

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ReneeKirdahy 10 months ago

I hate my bathroom even more right now, because it isn't this bathroom.

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#16 The Arrangement Of These Tomatoes

The Arrangement Of These Tomatoes

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LauraEgglestone 10 months ago

that tomato at 5pm on the outer circle (and more!) is not quite right #annoying #OCD

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#17 My Pasta Synchronised Perfectly In The Pan Whilst Cooking

My Pasta Synchronised Perfectly In The Pan Whilst Cooking

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eneurian 10 months ago

actually the ravioli at 10:00 o'clock is deeper in the pot than the rest. sorry just my ocd showing.

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#18 My Perfect Ice Cream Mug

My Perfect Ice Cream Mug

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Arjan 10 months ago

Won't that rotate inside the mug? Seems rather inconvenient to me.

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#19 This Is How My Local Tire Shop Keeps Their Used Tires

This Is How My Local Tire Shop Keeps Their Used Tires

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Moonglass 10 months ago

OMG WHY DON'T THEY DO THAT WHERE I LIVE!

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#20 It's So Beautiful...

It's So Beautiful...

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AaronLoy 10 months ago

NO IT SHOULD BE IN THE CENTER

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