Today’s optical illusion challenges viewers to find the hidden number "36" among a sea of similar digits. This tricky brain ...

Intelligence sounds like a trait but what if it’s just behavior shaped by opportunity, reinforcement, and environment?

Riot IQ, a rising leader in online cognitive assessment, has launched the RIOT (Reasoning and Intelligence Online Test), a groundbreaking professional-grade IQ test designed specifically for digital ...

Can you solve the restaurant murder brain teaser? Test your observation skills and find the killer in this challenging visual ...

How do you define and measure intelligence? The consensus seems to be that you can't, but the IQ test is the closest we've ...