And then, there are optical illusions – the internet’s favourite form of mind trickery. These visual puzzles not only boggle ...

Can you spot the cat hidden in this tricky image? It’s not as easy as it looks! This optical illusion is taking the internet ...

A tricky optical illusion is making the internet go wild! Somewhere in this image, a fisherman’s hook is hidden – but can you ...

From slices of toast to patches of clouds, Jesus's face has a habit of appearing in some unusual places. But this ...