Have you ever observed how a pencil appears bent or split when partially submerged in water? That is caused by the refraction of light and is a perfect example of a literal illusion. Now if you ask, ...

The latest image to turn the internet upside down involves an animal munching some grass by a tree. And while it might look obvious to the naked eye, it's not what you ...

Daniel Joyce does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...