When IQ scores are plotted on a graph, they typically follow a bell-shaped curve, often called the bell curve. The peak of ...

Discover whether you have the IQ of a pure genius, or need to go back to school, with this mind-boggling spot-the-difference.

YOU must have amazing eyesight and an incredible IQ if you can spot the differences in a mere few seconds. This latest ...

Never pretend to be less smart than you are — some of the biggest stars are in the world are certified geniuses, proving that ...

Discover whether you're as smart as you think you are with this deceptively difficult spot-the-difference. Seriously, you'll ...

IQ tests are great for determining the intelligence of an individual. In these types of puzzle challenge, readers are presented with a problem in the form of picture puzzles. These challenges ...