James R. Flynn is an accidental IQ specialist. In the early 1980s, the American-born political scientist, a longtime New Zealander, thought he might spend a few pages in a planned book on “how to ...

Set Daily Express as a 'Preferred Source' to get quicker access to the news you value. It’s scientifically proven that doing a wide range of puzzles improves your memory, gives you sharper thinking ...

Picture puzzles are a quick test of your intelligence. If you are a fan of mental workouts and enjoy solving puzzles, you would be surprised to know that it is one of the many reasons you possess ...

Logical reasoning IQ-based puzzles test your ability to analyse patterns, deduce relationships, and apply rules to reach correct conclusions. They include sequences, syllogisms, matrix problems, ...

Ever wondered how nature fools even the sharpest eyes? This viral picture puzzle hides a butterfly so perfectly in a golden sunflower field that 99 per cent miss it in 15 seconds. Bright golden petals ...