Can you spot the hidden kitten in this picture puzzle challenge in just 5 seconds? Test your IQ, observation skills, and ...

With that in mind, here are seven signs you might have a high IQ: 1. You're driven by curiosity Highly intelligent people ...

Test your IQ and observation skills with this optical illusion challenge. Can you spot the empty cup among filled ones in 5 ...

Brain teasers are exercises for the brain that enhance critical thinking, logical reasoning, and problem-solving skills.

Visual puzzles have long been used as a way to test and enhance critical thinking, logical reasoning, and problem-solving ...

In 1905 he developed a test in which he had children do tasks such as follow commands, copy patterns ... the phrase "intelligence quotient," or "IQ," entered the vocabulary.

One Reddit user shared a post titled “Just received myiq score and had a reality check”. While surprised by his average IQ ...