This brain teaser challenges readers to locate an inverted '64' hidden among a series of '94's within a strict 7-second time limit.

This week started with the capture of a foreign leader and ended with — well, it's not over yet! Will Greenland be the 51st ...

U.S. currency in the form of the dollars was launched in 1792, with unique anti-counterfeit tech and presidents on bills.

After the U.S. president shared the results of his third cognitive exam, Kimmel took the same test and aced it easily. What ...

MyIQ is changing how digital culture engages with intelligence. In 2025, cognitive testing has become part of personal ...

Ask yourself these questions if you want to truly test your intelligence—science says they're better than IQ tests.

Engaging System 2 requires significant metabolic energy. Your brain consumes a lot of your body’s energy as it is; intense ...

Do you want to see how locked in you were to the world’s headlines in 2025? Take my 2025 “News IQ” Test to see if you can ...

Picture puzzles that ask you to count objects are surprisingly challenging, even when the image looks simple. The challenge ...

Children from Singapore, Japan, South Korea, China, and Finland consistently score high on IQ tests due to strong education ...

Finding out if you're intelligent isn't so hard nowadays with all the resources and quick-fire brainteasers. You could try a puzzle, or get lost with a tricky optical illusion, whatever floats your ...

WASHINGTON, USA - The US Supreme Court on Wednesday examined how to determine whether a death row inmate is intellectually disabled and should be spared execution. The top court more than 20 years ago ...