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 ...

From diversity in Indonesia to history in Greece and food in France: People in 25 countries share what makes them proud, in their own words. Fresh data delivered Saturday mornings Thank you for ...