So when we say this illusion is more than a game, we mean it. It's a mini IQ test that reveals just how powerfully your brain sees the world. At first glance, this looks like a majestic tiger ...

Today’s IQ test is presented in the form of a picture. There are two mistakes in the picture, and you need to find them in 9 seconds. The picture shows a rooster standing in front of a shed.

Fewer than one in five people pass this IQ test, thought to be the shortest in the world at only three questions long. The Cognitive Reflection Test has a pass rate of just 17 per cent ...

Fewer than one in five people pass this IQ test, thought to be the shortest in the world at only three questions long. The Cognitive Reflection Test has a pass rate of just 17 per cent, leaving the ...

It does not necessarily reflect the view of The Herald. Fewer than one in five people pass this IQ test, thought to be the shortest in the world at only three questions long. The Cognitive ...