A grayscale ballerina who appears to be moving. A human who can fit in a doll box. A black-and-white prism that appears to change shape when... Optical illusions are a brain feature, not a bug. Here's ...

This year marks the 16th edition of the Best Illusion of the Year Contest, hosted by the Neural Correlate Society since 2005. In the contest, cognitive scientists and visual artists from around the ...

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A supposedly 3D optical illusion has been posted online and is possibly the most divisive I've ever seen on the optical illusion. Comments are either steadfastly denying any effect whatsoever, with ...

Optical illusions and puzzles share overlapping vibes. Mental trickery, ‘aha’ moments, cross-eyed frustration. Did you know that the Neural Correlate Society holds an annual contest for the Best ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American First Place and an award of $3,000 USD went ...

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