Optical illusion puzzles have been there for centuries and these are fun challenges that are designed to play tricks on our eyes and brains. Optical illusions work on a simple principle where it ...

Optical illusions are visual puzzles that are designed in such a way that they can cause the brain to interpret what it sees differently from physical reality. These illusions don't mean that there is ...

Three-in-ten Americans at least sometimes get news from newsletters, but many don’t read most of the newsletters they get. Unlike many other digital formats, similar shares of Americans across age ...