An optical illusion has left people baffled as they tried to spot a cat hiding in the image of a woman sweeping the floor - ...
The Parthenon is a gem of ancient Greek architecture for its perfect appearance, but its perfection results from optical ...
An optical illusion asks viewers to note whether they see a woman's or man's legs first which will determine if they're a ...
A contest to design a sound-only magic trick could help psychologists learn about differences between visual and auditory perception.
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