YOU must have amazing eyesight and an incredible IQ if you can spot the differences in a mere few seconds. This latest ...

Test your observation skills with a challenging optical illusion that features a romantic dinner setting. Find 10 subtle differences between two nearly identical images to sharpen your attention to ...

HERE is another fun brain teaser to test your eyesight and powers of logic. Everyone can see the ice skater on the rink – but ...

You have the sharpest eyes if you can find the different house in this optical illusion picture within 7 seconds.

Optical illusions are mind-bending images that challenge our perception and visual skills. These illusions provide deep insights into how our brain processes this complex visual information.

RECENT articles 1–3 in Nature have discussed the explanation of optical illusions and, in particular, Gregory's theory of constancy scaling. According to this theory, illusions are produced in ...

Optical illusions are images or videos that be deceptive or misleading to our brains as a result of factors like colour, light and patterns. Optical illusions can trick us into thinking we may see ...