Nature walks relieve stress, curb anxiety, and help us feel calm. That’s what we found on a recent walk through the woods in Concord, Massachusetts, and now there’s more science to back it up.
Outside in nature, we easily take in patterns called fractals. What makes fractal patterns unique is that they repeat at varying scales. Fractals are in pine cones, like the ones above, the bark of a tree and the veins of a leaf—any form where the same shape recurs in different sizes. In fall foliage, fractals abound—from spiral repeats in the pine cones to ever-changing branching patterns in trees. And that turns out to be truly important, a recent article in Psychology Today explains: Studies show that “exposure to fractal patterns in nature reduce people’s levels of stress up to 60%.”
And there’s more, according to Science Daily: “Just 20 minutes of contact with nature will lower stress hormone levels. [This] study has established for the first time the most effective dose of an urban nature experience. Healthcare practitioners can use this discovery to prescribe ‘nature-pills’ in the knowledge that they have a real measurable effect.”
And, why do fractals soothe? An article in the Atlantic explains:
“Your visual system is in some way hardwired to understand fractals. The stress-reduction is triggered by a physiological resonance that occurs when the fractal structure of the eye matches that of the fractal image being viewed. If a scene is too complicated, like a city intersection, we can’t easily take it all in, and that in turn leads to some discomfort, even if subconsciously. It makes sense that our visual cortex would feel most at home among the most common natural features we evolved alongside. So perhaps part of our comfort in nature derives from fluent visual processing.”
In other words, fractals fit what we are built to see.
We evolved with them and they are also in us: our eyes, brain and veins all follow fractal arrangements. So take a break, and as time allows, take this prescription: a 20-minute Nature Walk with Fall Fractals.
It will help you, ‘Keep Calm + Carry On,’ as that old British slogan goes. And what could be more important for everyone in our times. 🙂









Do you see faces in these gingerbread cottages in Oak Bluffs, Martha’s Vineyard, a popular summer retreat on this island ten miles off the coast of Massachusetts? Does it seem like they are looking at you? Built as part of a Methodist campground in the 1860s, the houses replaced the pitched tents early congregants first set up. Today over 300 of them remain on the
And who wouldn’t find them captivating? “The homes may be some of the most photographed in the entire country,” a 2016 article in
Pareidolia, the term for the very human phenomenon of seeing faces in everyday objects, is at work here. This visual illusion is an artifact of our evolution and secures our survival, explains a recent article in 


The study’s heat maps above, aggregating predicted viewing data in color, glow reddest where people look most, and fade to dark grey and black in areas ignored, again showing how the brain directs views away from most of the glass building, and does the opposite with the brick one. Note how none of the historic house shows up black, and its door and many of its windows glow red, suggesting they’ll implicitly draw the eye. Even the house chimneys appear bright blue, and will draw attention unconsciously in 








Next this:
And these:
Now, note what happens when you add a human face, someone famous, like CNN news anchor, Anderson Cooper:
Or here:
Or here:
Even a well-known newsman like Cooper can’t get your attention like a red plastic fish, if the guy’s upside down. The brain’s not wired to let that happen. We’re a social species built for relationships, so much so that the brain makes it a priority to immediately focus and engage with any pattern arranged like a face—when it’s right side up.
Why should architects and designers care? We can be as creative as we like, of course, but will always be most successful once we realize nature’s bias—what she wants us to see and incorporate—


