How many cubes did you spot?

The suspense was killing us too! Check out the answer to our brain teaser and learn the science behind it.

Cube count: 7 There are a total of 7 cubes in this brain teaser — but you may only find 6 depending on how you look at it! View the image again, but this time, count along with our animation.

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Why it's tricky In our last email we introduced the concept of ambiguous objects: images that your visual system might perceive in more than one way. Scientists report that our visual system tends to perceive these objects as if they're being viewed from above. This means that we'd expect brighter surfaces to appear on top, as if illuminated by the sun overhead. This brain teaser design takes advantage of your visual system through its clever use of color — the bright yellow/orange colors appear on top of each cube, while the darker orange and black appear on the sides. Because of this, you may be tricked into counting only 6 cubes when it's possible to find 7! Now that you understand the science, can you count all the cubes without the animation?

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