Only a genius with sharp eyes can notice 3 differences in this bear eating honey optical illusion.

Amazing optical illusions defy our perception and make us rethink how we see the world. 

These tactics use our eyes and brain's tight relationship to show our visual system's flaws.

Mind's attempt to make sense of contradictory visual information causes wonder and interest.

Scientists and artists have been attracted by optical illusions

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for decades, extending eyesight and challenging reality.

These visual puzzles are fun and educational about the complicated mechanisms

 behind our visual cognition, reminding us that reality is not always what it seems.

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