A cat owner from Vermont has left internet users puzzled after sharing a picture of her rag-doll cat sleeping in an odd ...

Visual illusions reveal how our brains create perceptions from limited information. In times of missing details, our brain ...

Optical illusions use light, colour and patterns to cause a viewer to see something that's completely different to reality ...

In 4 picture books, the ineffable weirdness and wisdom of cats Fickle little turncoats that they are, they’re still priceless: Caroline Luzzatto’s picks for kids.