I received an email with a chart that supposedly ranks the intelligence quotients of U.S. presidents, along with the claim that President-elect Donald Trump would ...

Optical illusions with hidden images have fascinated and puzzled people for centuries. These visual tricks challenge the ...

Watch as I take on the world's smartest ape, Kanzi, in an epic series of challenges to determine who is more intelligent! From memory games like Three-Cup Monty to breaking fruit from an ice block and ...

A high-IQ person listens to their intuition as a guiding force. Their sense of self-trust comes from honoring their beliefs ...