Ever since it was published in 1892, the rabbit-duck illusion has been perplexing viewers with its remarkable ability to shapeshift. Does it show a rabbit and then a duck, a duck and then a rabbit, ...

The Duke and Duchess of Sussex have released a video of Meghan reading son Archie Duck! Rabbit! by Amy Krouse Rosenthal (Chronicle Books) on his first birthday, in support of the Save with Stories ...

Baby Archie appeared to love this fun little book as Meghan Markle read it to him, and here's where you can buy your own. The video, taken by Prince Harry, showed Archie sitting on his mum's lap as ...

Ambigous figures are drawings that seem to flip from being one thing to another. Psychologists Melissa Allen and Alison Chambers recently showed these images to teenagers with autism in an attempt to ...